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Merge branch 'master' of git://www.denx.de/git/u-boot-sparc

This commit is contained in:
Wolfgang Denk 2008-04-13 09:21:00 -07:00
parent 950a392464 ab68f921d9
commit 58a3cbbf24
92 changed files with 14512 additions and 2 deletions
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7
MAKEALL
View File

@ -719,6 +719,12 @@ LIST_sh=" \
${LIST_sh4} \
"
#########################################################################
## SPARC Systems
#########################################################################
LIST_sparc="gr_xc3s_1500 gr_cpci_ax2000 gr_ep2s60 grsim grsim_leon2"
#-----------------------------------------------------------------------
#----- for now, just run PPC by default -----
@ -747,6 +753,7 @@ do
case "$arg" in
arm|SA|ARM7|ARM9|ARM10|ARM11|ixp|pxa| \
avr32| \
sparc| \
blackfin| \
coldfire| \
microblaze| \

37
Makefile
View File

@ -165,7 +165,10 @@ CROSS_COMPILE = avr32-linux-
endif
ifeq ($(ARCH),sh)
CROSS_COMPILE = sh4-linux-
endif # sh
endif
ifeq ($(ARCH),sparc)
CROSS_COMPILE = sparc-elf-
endif # sparc
endif # HOSTARCH,ARCH
endif # CROSS_COMPILE
@ -2880,6 +2883,38 @@ r2dplus_config : unconfig
@echo "#define CONFIG_R2DPLUS 1" >> include/config.h
@./mkconfig -a $(@:_config=) sh sh4 r2dplus
#========================================================================
# SPARC
#========================================================================
#########################################################################
## LEON3
#########################################################################
# Gaisler GR-XC3S-1500 board
gr_xc3s_1500_config : unconfig
@$(MKCONFIG) $(@:_config=) sparc leon3 gr_xc3s_1500 gaisler
# Gaisler GR-CPCI-AX2000 board, a General purpose FPGA-AX system
gr_cpci_ax2000_config : unconfig
@$(MKCONFIG) $(@:_config=) sparc leon3 gr_cpci_ax2000 gaisler
# Gaisler GRLIB template design (GPL SPARC/LEON3) for Altera NIOS
# Development board Stratix II edition, FPGA Device EP2S60.
gr_ep2s60_config: unconfig
@$(MKCONFIG) $(@:_config=) sparc leon3 gr_ep2s60 gaisler
# Gaisler LEON3 GRSIM simulator
grsim_config : unconfig
@$(MKCONFIG) $(@:_config=) sparc leon3 grsim gaisler
#########################################################################
## LEON2
#########################################################################
# Gaisler LEON2 GRSIM simulator
grsim_leon2_config : unconfig
@$(MKCONFIG) $(@:_config=) sparc leon2 grsim_leon2 gaisler
#########################################################################
#########################################################################
#########################################################################

3
README
View File

@ -153,6 +153,8 @@ Directory Hierarchy:
- at32ap Files specific to Atmel AVR32 AP CPUs
- i386 Files specific to i386 CPUs
- ixp Files specific to Intel XScale IXP CPUs
- leon2 Files specific to Gaisler LEON2 SPARC CPU
- leon3 Files specific to Gaisler LEON3 SPARC CPU
- mcf52x2 Files specific to Freescale ColdFire MCF52x2 CPUs
- mcf5227x Files specific to Freescale ColdFire MCF5227x CPUs
- mcf532x Files specific to Freescale ColdFire MCF5329 CPUs
@ -186,6 +188,7 @@ Directory Hierarchy:
- lib_mips Files generic to MIPS architecture
- lib_nios Files generic to NIOS architecture
- lib_ppc Files generic to PowerPC architecture
- lib_sparc Files generic to SPARC architecture
- libfdt Library files to support flattened device trees
- net Networking code
- post Power On Self Test

52
board/gaisler/gr_cpci_ax2000/Makefile Normal file
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@ -0,0 +1,52 @@
#
# (C) Copyright 2003-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
#flash.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

37
board/gaisler/gr_cpci_ax2000/config.mk Normal file
View File

@ -0,0 +1,37 @@
#
# (C) Copyright 2008
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# GR-CPCI-AX2000 board
#
# U-BOOT IN FLASH
TEXT_BASE = 0x00000000
# U-BOOT IN RAM or SDRAM with -nosram flag set when starting GRMON
#TEXT_BASE = 0x40000000
# U-BOOT IN SDRAM
#TEXT_BASE = 0x60000000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

39
board/gaisler/gr_cpci_ax2000/gr_cpci_ax2000.c Normal file
View File

@ -0,0 +1,39 @@
/*
* (C) Copyright 2008
* Daniel Hellstrom, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <config.h>
#include <asm/leon.h>
long int initdram(int board_type)
{
return 1;
}
int checkboard(void)
{
puts("Board: GR-CPCI-AX2000\n");
return 0;
}
int misc_init_r(void)
{
return 0;
}

160
board/gaisler/gr_cpci_ax2000/u-boot.lds Normal file
View File

@ -0,0 +1,160 @@
/* Linker script for Gaisler Research AB's GR-CPCI-AX2000 board
* with template design.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text : {
_load_addr = .;
_text = .;
*(.start)
cpu/leon3/start.o (.text)
/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
. = ALIGN(8192);
/* PROM CODE, Will be relocated to the end of memory,
* no global data accesses please.
*/
__prom_start = .;
*(.prom.pgt)
*(.prom.data)
*(.prom.text)
. = ALIGN(16);
__prom_end = .;
*(.text)
*(.fixup)
*(.gnu.warning)
/* *(.got1)*/
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.*)
*(.eh_frame)
}
. = ALIGN(4);
_etext = .;
/* CMD Table */
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
. = ALIGN(4);
__u_boot_cmd_end = .;
.data :
{
*(.data)
*(.data1)
*(.data.rel)
*(.data.rel.*)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
__got_start = .;
.got : {
*(.got)
/* *(.data.rel)
*(.data.rel.local)*/
. = ALIGN(16);
}
__got_end = .;
/* .data.rel : { } */
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16); /* to speed clearing of bss up */
}
__bss_end = . ;
_end = . ;
PROVIDE (end = .);
/* Relocated into main memory */
/* Start of main memory */
/*. = 0x40000000;*/
.stack (NOLOAD) : { *(.stack) }
/* PROM CODE */
/* global data in RAM passed to kernel after booting */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}

52
board/gaisler/gr_ep2s60/Makefile Normal file
View File

@ -0,0 +1,52 @@
#
# (C) Copyright 2003-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
#flash.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

35
board/gaisler/gr_ep2s60/config.mk Normal file
View File

@ -0,0 +1,35 @@
#
# (C) Copyright 2008
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# Altera NIOS delopment board Stratix II edition, FPGA device EP2S60,
# with GRLIB Template design (GPL Open Source SPARC/LEON3)
#
# U-BOOT IN FLASH
TEXT_BASE = 0x00000000
# U-BOOT IN SDRAM
#TEXT_BASE = 0x40000000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

39
board/gaisler/gr_ep2s60/gr_ep2s60.c Normal file
View File

@ -0,0 +1,39 @@
/*
* (C) Copyright 2008
* Daniel Hellstrom, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <config.h>
#include <asm/leon.h>
long int initdram(int board_type)
{
return 1;
}
int checkboard(void)
{
puts("Board: EP2S60 GRLIB\n");
return 0;
}
int misc_init_r(void)
{
return 0;
}

160
board/gaisler/gr_ep2s60/u-boot.lds Normal file
View File

@ -0,0 +1,160 @@
/* Linker script for Gaisler Research AB's Template design
* for Altera NIOS Development board Stratix II Edition, EP2S60 FPGA.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text : {
_load_addr = .;
_text = .;
*(.start)
cpu/leon3/start.o (.text)
/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
. = ALIGN(8192);
/* PROM CODE, Will be relocated to the end of memory,
* no global data accesses please.
*/
__prom_start = .;
*(.prom.pgt)
*(.prom.data)
*(.prom.text)
. = ALIGN(16);
__prom_end = .;
*(.text)
*(.fixup)
*(.gnu.warning)
/* *(.got1)*/
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.*)
*(.eh_frame)
}
. = ALIGN(4);
_etext = .;
/* CMD Table */
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
. = ALIGN(4);
__u_boot_cmd_end = .;
.data :
{
*(.data)
*(.data1)
*(.data.rel)
*(.data.rel.*)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
__got_start = .;
.got : {
*(.got)
/* *(.data.rel)
*(.data.rel.local)*/
. = ALIGN(16);
}
__got_end = .;
/* .data.rel : { } */
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16); /* to speed clearing of bss up */
}
__bss_end = . ;
_end = . ;
PROVIDE (end = .);
/* Relocated into main memory */
/* Start of main memory */
/*. = 0x40000000;*/
.stack (NOLOAD) : { *(.stack) }
/* PROM CODE */
/* global data in RAM passed to kernel after booting */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}

52
board/gaisler/gr_xc3s_1500/Makefile Normal file
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@ -0,0 +1,52 @@
#
# (C) Copyright 2003-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
#flash.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

34
board/gaisler/gr_xc3s_1500/config.mk Normal file
View File

@ -0,0 +1,34 @@
#
# (C) Copyright 2007
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# GR-XC3S-1500 board
#
# U-BOOT IN FLASH
TEXT_BASE = 0x00000000
# U-BOOT IN RAM
#TEXT_BASE = 0x40000000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

39
board/gaisler/gr_xc3s_1500/gr_xc3s_1500.c Normal file
View File

@ -0,0 +1,39 @@
/*
* (C) Copyright 2007
* Daniel Hellstrom, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <config.h>
#include <asm/leon.h>
long int initdram(int board_type)
{
return 1;
}
int checkboard(void)
{
puts("Board: GR-XC3S-1500\n");
return 0;
}
int misc_init_r(void)
{
return 0;
}

162
board/gaisler/gr_xc3s_1500/u-boot.lds Normal file
View File

@ -0,0 +1,162 @@
/* Linker script for Gaisler Research AB's GR-XC3S-1500 board
* with template design.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text : {
_load_addr = .;
_text = .;
*(.start)
cpu/leon3/start.o (.text)
/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
. = ALIGN(8192);
/* PROM CODE, Will be relocated to the end of memory,
* no global data accesses please.
*/
__prom_start = .;
*(.prom.pgt)
*(.prom.data)
*(.prom.text)
. = ALIGN(16);
__prom_end = .;
*(.text)
*(.fixup)
*(.gnu.warning)
/* *(.got1)*/
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.*)
*(.eh_frame)
}
. = ALIGN(4);
_etext = .;
/* CMD Table */
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
. = ALIGN(4);
__u_boot_cmd_end = .;
.data :
{
*(.data)
*(.data1)
*(.data.rel)
*(.data.rel.*)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
__got_start = .;
.got : {
*(.got)
/* *(.data.rel)
*(.data.rel.local)*/
. = ALIGN(16);
}
__got_end = .;
/* .data.rel : { } */
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16); /* to speed clearing of bss up */
}
__bss_end = . ;
_end = . ;
PROVIDE (end = .);
/* Relocated into main memory */
/* Start of main memory */
/*. = 0x40000000;*/
.stack (NOLOAD) : { *(.stack) }
/* PROM CODE */
/* global data in RAM passed to kernel after booting */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}

50
board/gaisler/grsim/Makefile Normal file
View File

@ -0,0 +1,50 @@
#
# (C) Copyright 2003-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

34
board/gaisler/grsim/config.mk Normal file
View File

@ -0,0 +1,34 @@
#
# (C) Copyright 2007
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# GRSIM simulating a LEON3 GR-XC3S-1500 board
#
# U-BOOT IN FLASH
TEXT_BASE = 0x00000000
# U-BOOT IN RAM
#TEXT_BASE = 0x40000000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

43
board/gaisler/grsim/grsim.c Normal file
View File

@ -0,0 +1,43 @@
/* GRSIM/TSIM board
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/leon.h>
long int initdram(int board_type)
{
return 1;
}
int checkboard(void)
{
puts("Board: GRSIM/TSIM\n");
return 0;
}
int misc_init_r(void)
{
return 0;
}

161
board/gaisler/grsim/u-boot.lds Normal file
View File

@ -0,0 +1,161 @@
/* Linker script for Gaisler Research AB's GRSIM LEON3 simulator.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text : {
_load_addr = .;
_text = .;
*(.start)
cpu/leon3/start.o (.text)
/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
. = ALIGN(8192);
/* PROM CODE, Will be relocated to the end of memory,
* no global data accesses please.
*/
__prom_start = .;
*(.prom.pgt)
*(.prom.data)
*(.prom.text)
. = ALIGN(16);
__prom_end = .;
*(.text)
*(.fixup)
*(.gnu.warning)
/* *(.got1)*/
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.*)
*(.eh_frame)
}
. = ALIGN(4);
_etext = .;
/* CMD Table */
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
. = ALIGN(4);
__u_boot_cmd_end = .;
.data :
{
*(.data)
*(.data1)
*(.data.rel)
*(.data.rel.*)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
__got_start = .;
.got : {
*(.got)
/* *(.data.rel)
*(.data.rel.local)*/
. = ALIGN(16);
}
__got_end = .;
/* .data.rel : { } */
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16); /* to speed clearing of bss up */
}
__bss_end = . ;
_end = . ;
PROVIDE (end = .);
/* Relocated into main memory */
/* Start of main memory */
/*. = 0x40000000;*/
.stack (NOLOAD) : { *(.stack) }
/* PROM CODE */
/* global data in RAM passed to kernel after booting */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}

50
board/gaisler/grsim_leon2/Makefile Normal file
View File

@ -0,0 +1,50 @@
#
# (C) Copyright 2003-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

34
board/gaisler/grsim_leon2/config.mk Normal file
View File

@ -0,0 +1,34 @@
#
# (C) Copyright 2007
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# GRSIM simulating a LEON2 board
#
# RUN U-BOOT FROM PROM
TEXT_BASE = 0x00000000
# RUN U-BOOT FROM RAM
#TEXT_BASE = 0x40000000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

43
board/gaisler/grsim_leon2/grsim_leon2.c Normal file
View File

@ -0,0 +1,43 @@
/* GRSIM/TSIM board
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/leon.h>
long int initdram(int board_type)
{
return 1;
}
int checkboard(void)
{
puts("Board: GRSIM/TSIM LEON2\n");
return 0;
}
int misc_init_r(void)
{
return 0;
}

159
board/gaisler/grsim_leon2/u-boot.lds Normal file
View File

@ -0,0 +1,159 @@
/* Linker script for Gaisler Research AB's GRSIM LEON2 simulator.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text : {
_load_addr = .;
_text = .;
*(.start)
cpu/leon2/start.o (.text)
/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
. = ALIGN(8192);
/* PROM CODE, Will be relocated to the end of memory,
* no global data accesses please.
*/
__prom_start = .;
*(.prom.pgt)
*(.prom.data)
*(.prom.text)
. = ALIGN(16);
__prom_end = .;
*(.text)
*(.fixup)
*(.gnu.warning)
/* *(.got1)*/
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.*)
*(.eh_frame)
}
. = ALIGN(4);
_etext = .;
/* CMD Table */
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
. = ALIGN(4);
__u_boot_cmd_end = .;
.data :
{
*(.data)
*(.data1)
*(.data.rel)
*(.data.rel.*)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
__got_start = .;
.got : {
*(.got)
/* *(.data.rel)
*(.data.rel.local)*/
. = ALIGN(16);
}
__got_end = .;
/* .data.rel : { } */
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16); /* to speed clearing of bss up */
}
__bss_end = . ;
_end = . ;
PROVIDE (end = .);
/* Relocated into main memory */
/* Start of main memory */
/*. = 0x40000000;*/
.stack (NOLOAD) : { *(.stack) }
/* PROM CODE */
/* global data in RAM passed to kernel after booting */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}

1
common/Makefile
View File

@ -32,6 +32,7 @@ COBJS-y += ACEX1K.o
COBJS-y += altera.o
COBJS-y += bedbug.o
COBJS-y += circbuf.o
COBJS-$(CONFIG_CMD_AMBAPP) += cmd_ambapp.o
COBJS-y += cmd_autoscript.o
COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o

278
common/cmd_ambapp.c Normal file
View File

@ -0,0 +1,278 @@
/*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* AMBA Plug&Play information list command
*
*/
#include <common.h>
#include <command.h>
#include <ambapp.h>
DECLARE_GLOBAL_DATA_PTR;
/* We put these variables into .data section so that they are zero
* when entering the AMBA Plug & Play routines (in cpu/cpu/ambapp.c)
* the first time. BSS is not garantueed to be zero since BSS
* hasn't been cleared the first times entering the CPU AMBA functions.
*
* The AMBA PnP routines call these functions if ambapp_???_print is set.
*
*/
int ambapp_apb_print __attribute__ ((section(".data"))) = 0;
int ambapp_ahb_print __attribute__ ((section(".data"))) = 0;
typedef struct {
int device_id;
char *name;
} ambapp_device_name;
static ambapp_device_name gaisler_devices[] = {
{GAISLER_LEON3, "GAISLER_LEON3"},
{GAISLER_LEON3DSU, "GAISLER_LEON3DSU"},
{GAISLER_ETHAHB, "GAISLER_ETHAHB"},
{GAISLER_ETHMAC, "GAISLER_ETHMAC"},
{GAISLER_APBMST, "GAISLER_APBMST"},
{GAISLER_AHBUART, "GAISLER_AHBUART"},
{GAISLER_SRCTRL, "GAISLER_SRCTRL"},
{GAISLER_SDCTRL, "GAISLER_SDCTRL"},
{GAISLER_APBUART, "GAISLER_APBUART"},
{GAISLER_IRQMP, "GAISLER_IRQMP"},
{GAISLER_AHBRAM, "GAISLER_AHBRAM"},
{GAISLER_GPTIMER, "GAISLER_GPTIMER"},
{GAISLER_PCITRG, "GAISLER_PCITRG"},
{GAISLER_PCISBRG, "GAISLER_PCISBRG"},
{GAISLER_PCIFBRG, "GAISLER_PCIFBRG"},
{GAISLER_PCITRACE, "GAISLER_PCITRACE"},
{GAISLER_AHBTRACE, "GAISLER_AHBTRACE"},
{GAISLER_ETHDSU, "GAISLER_ETHDSU"},
{GAISLER_PIOPORT, "GAISLER_PIOPORT"},
{GAISLER_AHBJTAG, "GAISLER_AHBJTAG"},
{GAISLER_ATACTRL, "GAISLER_ATACTRL"},
{GAISLER_VGA, "GAISLER_VGA"},
{GAISLER_KBD, "GAISLER_KBD"},
{GAISLER_L2TIME, "GAISLER_L2TIME"},
{GAISLER_L2C, "GAISLER_L2C"},
{GAISLER_PLUGPLAY, "GAISLER_PLUGPLAY"},
{GAISLER_SPW, "GAISLER_SPW"},
{GAISLER_SPW2, "GAISLER_SPW2"},
{GAISLER_EHCI, "GAISLER_EHCI"},
{GAISLER_UHCI, "GAISLER_UHCI"},
{GAISLER_AHBSTAT, "GAISLER_AHBSTAT"},
{GAISLER_DDR2SPA, "GAISLER_DDR2SPA"},
{GAISLER_DDRSPA, "GAISLER_DDRSPA"},
{0, NULL}
};
static ambapp_device_name esa_devices[] = {
{ESA_LEON2, "ESA_LEON2"},
{ESA_MCTRL, "ESA_MCTRL"},
{0, NULL}
};
static ambapp_device_name opencores_devices[] = {
{OPENCORES_PCIBR, "OPENCORES_PCIBR"},
{OPENCORES_ETHMAC, "OPENCORES_ETHMAC"},
{0, NULL}
};
typedef struct {
unsigned int vendor_id;
char *name;
ambapp_device_name *devices;
} ambapp_vendor_devnames;
static ambapp_vendor_devnames vendors[] = {
{VENDOR_GAISLER, "VENDOR_GAISLER", gaisler_devices},
{VENDOR_ESA, "VENDOR_ESA", esa_devices},
{VENDOR_OPENCORES, "VENDOR_OPENCORES", opencores_devices},
{0, NULL, 0}
};
static char *ambapp_get_devname(ambapp_device_name * devs, int id)
{
if (!devs)
return NULL;
while (devs->device_id > 0) {
if (devs->device_id == id)
return devs->name;
devs++;
}
return NULL;
}
char *ambapp_device_id2str(int vendor, int id)
{
ambapp_vendor_devnames *ven = &vendors[0];
while (ven->vendor_id > 0) {
if (ven->vendor_id == vendor) {
return ambapp_get_devname(ven->devices, id);
}
ven++;
}
return NULL;
}
char *ambapp_vendor_id2str(int vendor)
{
ambapp_vendor_devnames *ven = &vendors[0];
while (ven->vendor_id > 0) {
if (ven->vendor_id == vendor) {
return ven->name;
}
ven++;
}
return NULL;
}
static char *unknown = "unknown";
/* Print one APB device */
void ambapp_print_apb(apbctrl_pp_dev * apb, ambapp_ahbdev * apbmst, int index)
{
char *dev_str, *ven_str;
int irq, ver, vendor, deviceid;
unsigned int address, apbmst_base, mask;
vendor = amba_vendor(apb->conf);
deviceid = amba_device(apb->conf);
irq = amba_irq(apb->conf);
ver = amba_ver(apb->conf);
apbmst_base = apbmst->address[0] & LEON3_IO_AREA;
address = (apbmst_base | (((apb->bar & 0xfff00000) >> 12))) &
(((apb->bar & 0x0000fff0) << 4) | 0xfff00000);
mask = amba_membar_mask(apb->bar) << 8;
mask = ((~mask) & 0x000fffff) + 1;
ven_str = ambapp_vendor_id2str(vendor);
if (!ven_str) {
ven_str = unknown;
dev_str = unknown;
} else {
dev_str = ambapp_device_id2str(vendor, deviceid);
if (!dev_str)
dev_str = unknown;
}
printf("0x%02x:0x%02x:0x%02x: %s %s\n"
" apb: 0x%08x - 0x%08x\n"
" irq: %-2d (ver: %-2d)\n",
index, vendor, deviceid, ven_str, dev_str, address,
address + mask, irq, ver);
}
void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index)
{
char *dev_str, *ven_str;
int irq, ver, vendor, deviceid;
unsigned int addr, mask;
int j;
vendor = amba_vendor(ahb->conf);
deviceid = amba_device(ahb->conf);
irq = amba_irq(ahb->conf);
ver = amba_ver(ahb->conf);
ven_str = ambapp_vendor_id2str(vendor);
if (!ven_str) {
ven_str = unknown;
dev_str = unknown;
} else {
dev_str = ambapp_device_id2str(vendor, deviceid);
if (!dev_str)
dev_str = unknown;
}
printf("0x%02x:0x%02x:0x%02x: %s %s\n",
index, vendor, deviceid, ven_str, dev_str);
for (j = 0; j < 4; j++) {
addr = amba_membar_start(ahb->bars[j]);
if (amba_membar_type(ahb->bars[j]) == 0)
continue;
if (amba_membar_type(ahb->bars[j]) == AMBA_TYPE_AHBIO)
addr = AMBA_TYPE_AHBIO_ADDR(addr);
mask = amba_membar_mask(ahb->bars[j]) << 20;
printf(" mem: 0x%08x - 0x%08x\n", addr, addr + ((~mask) + 1));
}
printf(" irq: %-2d (ver: %d)\n", irq, ver);
}
int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
/* Print AHB Masters */
puts("--------- AHB Masters ---------\n");
ambapp_apb_print = 0;
ambapp_ahb_print = 1;
ambapp_ahbmst_count(99, 99); /* Get vendor&device 99 = nonexistent... */
/* Print AHB Slaves */
puts("--------- AHB Slaves ---------\n");
ambapp_ahbslv_count(99, 99); /* Get vendor&device 99 = nonexistent... */
/* Print APB Slaves */
puts("--------- APB Slaves ---------\n");
ambapp_apb_print = 1;
ambapp_ahb_print = 0;
ambapp_apb_count(99, 99); /* Get vendor&device 99 = nonexistent... */
/* Reset, no futher printing */
ambapp_apb_print = 0;
ambapp_ahb_print = 0;
puts("\n");
return 0;
}
int ambapp_init_reloc(void)
{
ambapp_vendor_devnames *vend = vendors;
ambapp_device_name *dev;
while (vend->vendor_id && vend->name) {
vend->name = (char *)((unsigned int)vend->name + gd->reloc_off);
vend->devices =
(ambapp_device_name *) ((unsigned int)vend->devices +
gd->reloc_off);;
dev = vend->devices;
vend++;
if (!dev)
continue;
while (dev->device_id && dev->name) {
dev->name =
(char *)((unsigned int)dev->name + gd->reloc_off);;
dev++;
}
}
return 0;
}
U_BOOT_CMD(ambapp, 1, 1, do_ambapp_print,
"ambapp - list AMBA Plug&Play information\n",
"ambapp\n"
" - lists AMBA (AHB & APB) Plug&Play devices present on the system\n");

39
common/cmd_bdinfo.c
View File

@ -208,6 +208,45 @@ int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 0;
}
#elif defined(CONFIG_SPARC) /* SPARC */
int do_bdinfo(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
bd_t *bd = gd->bd;
#if defined(CONFIG_CMD_NET)
int i;
#endif
#ifdef DEBUG
print_num("bd address ", (ulong) bd);
#endif
print_num("memstart ", bd->bi_memstart);
print_num("memsize ", bd->bi_memsize);
print_num("flashstart ", bd->bi_flashstart);
print_num("CFG_MONITOR_BASE ", CFG_MONITOR_BASE);
print_num("CFG_ENV_ADDR ", CFG_ENV_ADDR);
printf("CFG_RELOC_MONITOR_BASE = 0x%lx (%d)\n", CFG_RELOC_MONITOR_BASE,
CFG_MONITOR_LEN);
printf("CFG_MALLOC_BASE = 0x%lx (%d)\n", CFG_MALLOC_BASE,
CFG_MALLOC_LEN);
printf("CFG_INIT_SP_OFFSET = 0x%lx (%d)\n", CFG_INIT_SP_OFFSET,
CFG_STACK_SIZE);
printf("CFG_PROM_OFFSET = 0x%lx (%d)\n", CFG_PROM_OFFSET,
CFG_PROM_SIZE);
printf("CFG_GBL_DATA_OFFSET = 0x%lx (%d)\n", CFG_GBL_DATA_OFFSET,
CFG_GBL_DATA_SIZE);
#if defined(CONFIG_CMD_NET)
puts("ethaddr =");
for (i = 0; i < 6; ++i) {
printf("%c%02X", i ? ':' : ' ', bd->bi_enetaddr[i]);
}
puts("\nIP addr = ");
print_IPaddr(bd->bi_ip_addr);
#endif
printf("\nbaudrate = %6ld bps\n", bd->bi_baudrate);
return 0;
}
#elif defined(CONFIG_M68K) /* M68K */
static void print_str(const char *, const char *);

2
common/image.c
View File

@ -1014,7 +1014,7 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
return 0;
}
#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
/**
* boot_ramdisk_high - relocate init ramdisk
* @lmb: pointer to lmb handle, will be used for memory mgmt

54
cpu/leon2/Makefile Normal file
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@ -0,0 +1,54 @@
#
# (C) Copyright 2003-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
SOBJS =
COBJS = cpu_init.o serial.o cpu.o interrupts.o prom.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
START := $(addprefix $(obj),$(START))
all: $(obj).depend $(START) $(LIB)
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
$(START): $(START:.o=.S)
$(CC) -D__ASSEMBLY__ $(DBGFLAGS) $(OPTFLAGS) -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
-I$(TOPDIR)/include -fno-builtin -ffreestanding -nostdinc -isystem $(gccincdir) -pipe \
$(PLATFORM_CPPFLAGS) -Wall -Wstrict-prototypes \
-I$(TOPDIR)/board -c -o $(START) $(START:.o=.S)
sinclude $(obj).depend
#########################################################################

26
cpu/leon2/config.mk Normal file
View File

@ -0,0 +1,26 @@
#
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
PLATFORM_RELFLAGS += -fPIC
PLATFORM_CPPFLAGS += -DCONFIG_LEON

58
cpu/leon2/cpu.c Normal file
View File

@ -0,0 +1,58 @@
/* CPU specific code for the LEON2 CPU
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <watchdog.h>
#include <command.h>
DECLARE_GLOBAL_DATA_PTR;
extern void _reset_reloc(void);
int checkcpu(void)
{
/* check LEON version here */
printf("CPU: LEON2\n");
return 0;
}
/* ------------------------------------------------------------------------- */
void cpu_reset(void)
{
/* Interrupts off */
disable_interrupts();
/* jump to restart in flash */
_reset_reloc();
}
int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
cpu_reset();
return 1;
}
/* ------------------------------------------------------------------------- */

142
cpu/leon2/cpu_init.c Normal file
View File

@ -0,0 +1,142 @@
/* Initializes CPU and basic hardware such as memory
* controllers, IRQ controller and system timer 0.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/asi.h>
#include <asm/leon.h>
#include <config.h>
DECLARE_GLOBAL_DATA_PTR;
/* reset CPU (jump to 0, without reset) */
void start(void);
struct {
gd_t gd_area;
bd_t bd;
} global_data;
/*
* Breath some life into the CPU...
*
* Set up the memory map,
* initialize a bunch of registers.
*
* Run from FLASH/PROM:
* - until memory controller is set up, only registers avaiable
* - no global variables available for writing
* - constants avaiable
*/
void cpu_init_f(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
/* initialize the IRQMP */
leon2->Interrupt_Force = 0;
leon2->Interrupt_Pending = 0;
leon2->Interrupt_Clear = 0xfffe; /* clear all old pending interrupts */
leon2->Interrupt_Mask = 0xfffe0000; /* mask all IRQs */
/* cache */
/* I/O port setup */
#ifdef LEON2_IO_PORT_DIR
leon2->PIO_Direction = LEON2_IO_PORT_DIR;
#endif
#ifdef LEON2_IO_PORT_DATA
leon2->PIO_Data = LEON2_IO_PORT_DATA;
#endif
#ifdef LEON2_IO_PORT_INT
leon2->PIO_Interrupt = LEON2_IO_PORT_INT;
#else
leon2->PIO_Interrupt = 0;
#endif
}
void cpu_init_f2(void)
{
}
/*
* initialize higher level parts of CPU like time base and timers
*/
int cpu_init_r(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
/* initialize prescaler common to all timers to 1MHz */
leon2->Scaler_Counter = leon2->Scaler_Reload =
(((CONFIG_SYS_CLK_FREQ / 1000) + 500) / 1000) - 1;
return (0);
}
/* Uses Timer 0 to get accurate
* pauses. Max 2 raised to 32 ticks
*
*/
void cpu_wait_ticks(unsigned long ticks)
{
unsigned long start = get_timer(0);
while (get_timer(start) < ticks) ;
}
/* initiate and setup timer0 interrupt to 1MHz
* Return irq number for timer int or a negative number for
* dealing with self
*/
int timer_interrupt_init_cpu(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
/* 1ms ticks */
leon2->Timer_Counter_1 = 0;
leon2->Timer_Reload_1 = 999; /* (((1000000 / 100) - 1)) */
leon2->Timer_Control_1 =
(LEON2_TIMER_CTRL_EN | LEON2_TIMER_CTRL_RS | LEON2_TIMER_CTRL_LD);
return LEON2_TIMER1_IRQNO;
}
/*
* This function is intended for SHORT delays only.
*/
unsigned long cpu_usec2ticks(unsigned long usec)
{
/* timer set to 1kHz ==> 1 clk tick = 1 msec */
if (usec < 1000)
return 1;
return (usec / 1000);
}
unsigned long cpu_ticks2usec(unsigned long ticks)
{
/* 1tick = 1usec */
return ticks * 1000;
}

217
cpu/leon2/interrupts.c Normal file
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@ -0,0 +1,217 @@
/*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* (C) Copyright 2006
* Detlev Zundel, DENX Software Engineering, dzu@denx.de
*
* (C) Copyright -2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001
* Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm/stack.h>
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <command.h>
#include <asm/irq.h>
#include <asm/leon.h>
/* 15 normal irqs and a non maskable interrupt */
#define NR_IRQS 15
struct irq_action {
interrupt_handler_t *handler;
void *arg;
unsigned int count;
};
static struct irq_action irq_handlers[NR_IRQS] = { {0}, };
static int spurious_irq_cnt = 0;
static int spurious_irq = 0;
static inline unsigned int leon2_get_irqmask(unsigned int irq)
{
if ((irq < 0) || (irq >= NR_IRQS)) {
return 0;
} else {
return (1 << irq);
}
}
static void leon2_ic_disable(unsigned int irq)
{
unsigned int mask, pil;
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
pil = intLock();
/* get mask of interrupt */
mask = leon2_get_irqmask(irq);
/* set int level */
leon2->Interrupt_Mask =
SPARC_NOCACHE_READ(&leon2->Interrupt_Mask) & (~mask);
intUnlock(pil);
}
static void leon2_ic_enable(unsigned int irq)
{
unsigned int mask, pil;
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
pil = intLock();
/* get mask of interrupt */
mask = leon2_get_irqmask(irq);
/* set int level */
leon2->Interrupt_Mask =
SPARC_NOCACHE_READ(&leon2->Interrupt_Mask) | mask;
intUnlock(pil);
}
void handler_irq(int irq, struct pt_regs *regs)
{
if (irq_handlers[irq].handler) {
if (((unsigned int)irq_handlers[irq].handler > CFG_RAM_END) ||
((unsigned int)irq_handlers[irq].handler < CFG_RAM_BASE)
) {
printf("handler_irq: bad handler: %x, irq number %d\n",
(unsigned int)irq_handlers[irq].handler, irq);
return;
}
irq_handlers[irq].handler(irq_handlers[irq].arg);
irq_handlers[irq].count++;
} else {
spurious_irq_cnt++;
spurious_irq = irq;
}
}
void leon2_force_int(int irq)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
if ((irq >= NR_IRQS) || (irq < 0))
return;
printf("Forcing interrupt %d\n", irq);
leon2->Interrupt_Force =
SPARC_NOCACHE_READ(&leon2->Interrupt_Force) | (1 << irq);
}
/****************************************************************************/
int interrupt_init_cpu(void)
{
return (0);
}
/****************************************************************************/
/* Handle Timer 0 IRQ */
void timer_interrupt_cpu(void *arg)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
leon2->Timer_Control_1 =
(LEON2_TIMER_CTRL_EN | LEON2_TIMER_CTRL_RS | LEON2_TIMER_CTRL_LD);
/* nothing to do here */
return;
}
/****************************************************************************/
/*
* Install and free a interrupt handler.
*/
void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg)
{
if (irq < 0 || irq >= NR_IRQS) {
printf("irq_install_handler: bad irq number %d\n", irq);
return;
}
if (irq_handlers[irq].handler != NULL)
printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
(ulong) handler, (ulong) irq_handlers[irq].handler);
if (((unsigned int)handler > CFG_RAM_END) ||
((unsigned int)handler < CFG_RAM_BASE)
) {
printf("irq_install_handler: bad handler: %x, irq number %d\n",
(unsigned int)handler, irq);
return;
}
irq_handlers[irq].handler = handler;
irq_handlers[irq].arg = arg;
/* enable irq on LEON2 hardware */
leon2_ic_enable(irq);
}
void irq_free_handler(int irq)
{
if (irq < 0 || irq >= NR_IRQS) {
printf("irq_free_handler: bad irq number %d\n", irq);
return;
}
/* disable irq on LEON2 hardware */
leon2_ic_disable(irq);
irq_handlers[irq].handler = NULL;
irq_handlers[irq].arg = NULL;
}
/****************************************************************************/
#if defined(CONFIG_CMD_IRQ)
void do_irqinfo(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
{
int irq;
unsigned int pil = get_pil();
printf("PIL level: %u\n\r", pil);
printf("Spurious IRQ: %u, last unknown IRQ: %d\n",
spurious_irq_cnt, spurious_irq);
puts("\nInterrupt-Information:\n" "Nr Routine Arg Count\n");
for (irq = 0; irq < NR_IRQS; irq++) {
if (irq_handlers[irq].handler != NULL) {
printf("%02d %08lx %08lx %ld\n", irq,
(unsigned int)irq_handlers[irq].handler,
(unsigned int)irq_handlers[irq].arg,
irq_handlers[irq].count);
}
}
}
#endif

1047
cpu/leon2/prom.c Normal file
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File diff suppressed because it is too large Load Diff

165
cpu/leon2/serial.c Normal file
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@ -0,0 +1,165 @@
/* GRLIB APBUART Serial controller driver
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/leon.h>
DECLARE_GLOBAL_DATA_PTR;
/* Force cache miss each time a serial controller reg is read */
#define CACHE_BYPASS 1
#ifdef CACHE_BYPASS
#define READ_BYTE(var) SPARC_NOCACHE_READ_BYTE((unsigned int)&(var))
#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)&(var))
#define READ_WORD(var) SPARC_NOCACHE_READ((unsigned int)&(var))
#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)&(var))
#endif
int serial_init(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
LEON2_Uart_regs *regs;
unsigned int tmp;
/* Init LEON2 UART
*
* Set scaler / baud rate
*
* Receiver & transmitter enable
*/
#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_1;
#else
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_2;
#endif
regs->UART_Scaler = CFG_LEON2_UART1_SCALER;
/* Let bit 11 be unchanged (debug bit for GRMON) */
tmp = READ_WORD(regs->UART_Control);
regs->UART_Control = ((tmp & LEON2_UART_CTRL_DBG) |
(LEON2_UART1_LOOPBACK_ENABLE << 7) |
(LEON2_UART1_FLOWCTRL_ENABLE << 6) |
(LEON2_UART1_PARITY_ENABLE << 5) |
(LEON2_UART1_ODDPAR_ENABLE << 4) |
LEON2_UART_CTRL_RE | LEON2_UART_CTRL_TE);
return 0;
}
void serial_putc(const char c)
{
if (c == '\n')
serial_putc_raw('\r');
serial_putc_raw(c);
}
void serial_putc_raw(const char c)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
LEON2_Uart_regs *regs;
#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_1;
#else
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_2;
#endif
/* Wait for last character to go. */
while (!(READ_WORD(regs->UART_Status) & LEON2_UART_STAT_THE)) ;
/* Send data */
regs->UART_Channel = c;
#ifdef LEON_DEBUG
/* Wait for data to be sent */
while (!(READ_WORD(regs->UART_Status) & LEON2_UART_STAT_TSE)) ;
#endif
}
void serial_puts(const char *s)
{
while (*s) {
serial_putc(*s++);
}
}
int serial_getc(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
LEON2_Uart_regs *regs;
#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_1;
#else
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_2;
#endif
/* Wait for a character to arrive. */
while (!(READ_WORD(regs->UART_Status) & LEON2_UART_STAT_DR)) ;
/* read data */
return READ_WORD(regs->UART_Channel);
}
int serial_tstc(void)
{
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
LEON2_Uart_regs *regs;
#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_1;
#else
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_2;
#endif
return (READ_WORD(regs->UART_Status) & LEON2_UART_STAT_DR);
}
/* set baud rate for uart */
void serial_setbrg(void)
{
/* update baud rate settings, read it from gd->baudrate */
unsigned int scaler;
LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS;
LEON2_Uart_regs *regs;
#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_1;
#else
regs = (LEON2_Uart_regs *) & leon2->UART_Channel_2;
#endif
if (gd->baudrate > 0) {
scaler =
(((CONFIG_SYS_CLK_FREQ * 10) / (gd->baudrate * 8)) -
5) / 10;
regs->UART_Scaler = scaler;
}
}

661
cpu/leon2/start.S Normal file
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@ -0,0 +1,661 @@
/* This is where the SPARC/LEON3 starts
* Copyright (C) 2007,
* Daniel Hellstrom, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <asm/asmmacro.h>
#include <asm/winmacro.h>
#include <asm/psr.h>
#include <asm/stack.h>
#include <asm/leon.h>
#include <version.h>
/* Entry for traps which jump to a programmer-specified trap handler. */
#define TRAPR(H) \
wr %g0, 0xfe0, %psr; \
mov %g0, %tbr; \
ba (H); \
mov %g0, %wim;
#define TRAP(H) \
mov %psr, %l0; \
ba (H); \
nop; nop;
#define TRAPI(ilevel) \
mov ilevel, %l7; \
mov %psr, %l0; \
b _irq_entry; \
mov %wim, %l3
/* Unexcpected trap will halt the processor by forcing it to error state */
#undef BAD_TRAP
#define BAD_TRAP ta 0; nop; nop; nop;
/* Software trap. Treat as BAD_TRAP for the time being... */
#define SOFT_TRAP TRAP(_hwerr)
#define PSR_INIT 0x1FC0 /* Disable traps, set s and ps */
#define WIM_INIT 2
/* All traps low-level code here must end with this macro. */
#define RESTORE_ALL b ret_trap_entry; clr %l6;
#define WRITE_PAUSE nop;nop;nop
WINDOWSIZE = (16 * 4)
ARGPUSHSIZE = (6 * 4)
ARGPUSH = (WINDOWSIZE + 4)
MINFRAME = (WINDOWSIZE + ARGPUSHSIZE + 4)
/* Number of register windows */
#ifndef CFG_SPARC_NWINDOWS
#error Must define number of SPARC register windows, default is 8
#endif
#define STACK_ALIGN 8
#define SA(X) (((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1))
.section ".start", "ax"
.globl _start, start, _trap_table
.globl _irq_entry, nmi_trap
.globl _reset_reloc
/* at address 0
* Hardware traps
*/
start:
_start:
_trap_table:
TRAPR(_hardreset); ! 00 reset trap
BAD_TRAP; ! 01 instruction_access_exception
BAD_TRAP; ! 02 illegal_instruction
BAD_TRAP; ! 03 priveleged_instruction
BAD_TRAP; ! 04 fp_disabled
TRAP(_window_overflow); ! 05 window_overflow
TRAP(_window_underflow); ! 06 window_underflow
BAD_TRAP; ! 07 Memory Address Not Aligned
BAD_TRAP; ! 08 Floating Point Exception
BAD_TRAP; ! 09 Data Miss Exception
BAD_TRAP; ! 0a Tagged Instruction Ovrflw
BAD_TRAP; ! 0b Watchpoint Detected
BAD_TRAP; ! 0c
BAD_TRAP; ! 0d
BAD_TRAP; ! 0e
BAD_TRAP; ! 0f
BAD_TRAP; ! 10
TRAPI(1); ! 11 IRQ level 1
TRAPI(2); ! 12 IRQ level 2
TRAPI(3); ! 13 IRQ level 3
TRAPI(4); ! 14 IRQ level 4
TRAPI(5); ! 15 IRQ level 5
TRAPI(6); ! 16 IRQ level 6
TRAPI(7); ! 17 IRQ level 7
TRAPI(8); ! 18 IRQ level 8
TRAPI(9); ! 19 IRQ level 9
TRAPI(10); ! 1a IRQ level 10
TRAPI(11); ! 1b IRQ level 11
TRAPI(12); ! 1c IRQ level 12
TRAPI(13); ! 1d IRQ level 13
TRAPI(14); ! 1e IRQ level 14
TRAP(_nmi_trap); ! 1f IRQ level 15 /
! NMI (non maskable interrupt)
BAD_TRAP; ! 20 r_register_access_error
BAD_TRAP; ! 21 instruction access error
BAD_TRAP; ! 22
BAD_TRAP; ! 23
BAD_TRAP; ! 24 co-processor disabled
BAD_TRAP; ! 25 uniplemented FLUSH
BAD_TRAP; ! 26
BAD_TRAP; ! 27
BAD_TRAP; ! 28 co-processor exception
BAD_TRAP; ! 29 data access error
BAD_TRAP; ! 2a division by zero
BAD_TRAP; ! 2b data store error
BAD_TRAP; ! 2c data access MMU miss
BAD_TRAP; ! 2d
BAD_TRAP; ! 2e
BAD_TRAP; ! 2f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30-33
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34-37
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38-3b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3c-3f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40-43
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44-47
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48-4b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4c-4f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50-53
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54-57
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58-5b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5c-5f
/* implementaion dependent */
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60-63
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64-67
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68-6b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6c-6f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70-73
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74-77
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78-7b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7c-7f
/* Software traps, not handled */
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 80-83
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 84-87
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88-8b
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8c-8f
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90-93
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94-97
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98-9b
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9c-9f
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a0-a3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a4-a7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a8-ab
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ac-af
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b0-b3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b4-b7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b8-bb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! bc-bf
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c0-c3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c4-c7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c8-cb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! cc-cf
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d0-d3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d4-d7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d8-db
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! dc-df
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e0-e3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e4-e7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e8-eb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ec-ef
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f0-f3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f4-f7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f8-fb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! fc-ff
/*
* Version string
*/
.data
.globl version_string
version_string:
.ascii U_BOOT_VERSION
.ascii " (", __DATE__, " - ", __TIME__, ")"
.ascii CONFIG_IDENT_STRING, "\0"
.section ".text"
.align 4
_hardreset:
1000:
flush
nop
nop
nop
/* Init Cache */
set (LEON2_PREGS+LEON_REG_CACHECTRL_OFFSET), %g1
set 0x0081000f, %g2
st %g2, [%g1]
mov %g0, %y
clr %g1
clr %g2
clr %g3
clr %g4
clr %g5
clr %g6
clr %g7
mov %asr17, %g3
and %g3, 0x1f, %g3
clear_window:
mov %g0, %l0
mov %g0, %l1
mov %g0, %l2
mov %g0, %l3
mov %g0, %l4
mov %g0, %l5
mov %g0, %l6
mov %g0, %l7
mov %g0, %o0
mov %g0, %o1
mov %g0, %o2
mov %g0, %o3
mov %g0, %o4
mov %g0, %o5
mov %g0, %o6
mov %g0, %o7
subcc %g3, 1, %g3
bge clear_window
save
leon2_init:
/* LEON2 Register Base in g1 */
set LEON2_PREGS, %g1
leon2_init_cache:
/* Set Cache control register */
set 0x1000f, %g2
st %g2, [%g1 + 0x14]
leon2_init_clear:
/* Clear LEON2 registers */
st %g0, [%g1 + LEON2_ECTRL]
st %g0, [%g1 + LEON2_IMASK]
st %g0, [%g1 + LEON2_IPEND]
st %g0, [%g1 + LEON2_IFORCE]
st %g0, [%g1 + LEON2_ICLEAR]
st %g0, [%g1 + LEON2_IOREG]
st %g0, [%g1 + LEON2_IODIR]
st %g0, [%g1 + LEON2_IOICONF]
st %g0, [%g1 + LEON2_UCTRL0]
st %g0, [%g1 + LEON2_UCTRL1]
leon2_init_ioport:
/* I/O port initialization */
set 0xaa00, %g2
st %g2, [%g1 + LEON2_IOREG]
leon2_init_mctrl:
/* memory config register 1 */
set CFG_GRLIB_MEMCFG1, %g2
ld [%g1], %g3 !
and %g3, 0x300, %g3
or %g2, %g3, %g2
st %g2, [%g1 + LEON2_MCFG1]
set CFG_GRLIB_MEMCFG2, %g2 ! Load memory config register 2
#if !( defined(TSIM) || !defined(BZIMAGE))
st %g2, [%g1 + LEON2_MCFG2] ! only for prom version, else done by "dumon -i"
#endif
set CFG_GRLIB_MEMCFG3, %g2 ! Init FT register
st %g2, [%g1 + LEON2_ECTRL]
ld [%g1 + LEON2_ECTRL], %g2
srl %g2, 30, %g2
andcc %g2, 3, %g6
bne,a leon2_init_wim
mov %g0, %asr16 ! clear err_reg
leon2_init_wim:
set WIM_INIT, %g3
mov %g3, %wim
leon2_init_psr:
set 0x1000, %g3
mov %psr, %g2
wr %g2, %g3, %psr
nop
nop
nop
leon2_init_stackp:
set CFG_INIT_SP_OFFSET, %fp
andn %fp, 0x0f, %fp
sub %fp, 64, %sp
cpu_init_unreloc:
call cpu_init_f
nop
/* un relocated start address of monitor */
#define TEXT_START _text
/* un relocated end address of monitor */
#define DATA_END __init_end
reloc:
set TEXT_START,%g2
set DATA_END,%g3
set CFG_RELOC_MONITOR_BASE,%g4
reloc_loop:
ldd [%g2],%l0
ldd [%g2+8],%l2
std %l0,[%g4]
std %l2,[%g4+8]
inc 16,%g2
subcc %g3,%g2,%g0
bne reloc_loop
inc 16,%g4
clr %l0
clr %l1
clr %l2
clr %l3
clr %g2
/* register g4 contain address to start
* This means that BSS must be directly after data and code segments
*
* g3 is length of bss = (__bss_end-__bss_start)
*
*/
clr_bss:
/* clear bss area (the relocated) */
set __bss_start,%g2
set __bss_end,%g3
sub %g3,%g2,%g3
add %g3,%g4,%g3
clr %g1 /* std %g0 uses g0 and g1 */
/* clearing 16byte a time ==> linker script need to align to 16 byte offset */
clr_bss_16:
std %g0,[%g4]
std %g0,[%g4+8]
inc 16,%g4
cmp %g3,%g4
bne clr_bss_16
nop
/* add offsets to GOT table */
fixup_got:
set __got_start,%g4
set __got_end,%g3
/*
* new got offset = (old GOT-PTR (read with ld) -
* CFG_RELOC_MONITOR_BASE(from define) ) +
* Destination Address (from define)
*/
set CFG_RELOC_MONITOR_BASE,%g2
set TEXT_START, %g1
add %g4,%g2,%g4
sub %g4,%g1,%g4
add %g3,%g2,%g3
sub %g3,%g1,%g3
sub %g2,%g1,%g2 ! prepare register with (new base address) -
! (old base address)
got_loop:
ld [%g4],%l0 ! load old GOT-PTR
add %l0,%g2,%l0 ! increase with (new base address) -
! (old base)
st %l0,[%g4]
inc 4,%g4
cmp %g3,%g4
bne got_loop
nop
prom_relocate:
set __prom_start, %g2
set __prom_end, %g3
set CFG_PROM_OFFSET, %g4
prom_relocate_loop:
ldd [%g2],%l0
ldd [%g2+8],%l2
std %l0,[%g4]
std %l2,[%g4+8]
inc 16,%g2
subcc %g3,%g2,%g0
bne prom_relocate_loop
inc 16,%g4
/* Trap table has been moved, lets tell CPU about
* the new trap table address
*/
set CFG_RELOC_MONITOR_BASE, %g2
wr %g0, %g2, %tbr
/* call relocate*/
nop
/* Call relocated init functions */
jump:
set cpu_init_f2,%o1
set CFG_RELOC_MONITOR_BASE,%o2
add %o1,%o2,%o1
sub %o1,%g1,%o1
call %o1
clr %o0
set board_init_f,%o1
set CFG_RELOC_MONITOR_BASE,%o2
add %o1,%o2,%o1
sub %o1,%g1,%o1
call %o1
clr %o0
dead: ta 0 ! if call returns...
nop
/* Interrupt handler caller,
* reg L7: interrupt number
* reg L0: psr after interrupt
* reg L1: PC
* reg L2: next PC
* reg L3: wim
*/
_irq_entry:
SAVE_ALL
or %l0, PSR_PIL, %g2
wr %g2, 0x0, %psr
WRITE_PAUSE
wr %g2, PSR_ET, %psr
WRITE_PAUSE
mov %l7, %o0 ! irq level
set handler_irq, %o1
set (CFG_RELOC_MONITOR_BASE-TEXT_BASE), %o2
add %o1, %o2, %o1
call %o1
add %sp, SF_REGS_SZ, %o1 ! pt_regs ptr
or %l0, PSR_PIL, %g2 ! restore PIL after handler_irq
wr %g2, PSR_ET, %psr ! keep ET up
WRITE_PAUSE
RESTORE_ALL
!Window overflow trap handler.
.global _window_overflow
_window_overflow:
mov %wim, %l3 ! Calculate next WIM
mov %g1, %l7
srl %l3, 1, %g1
sll %l3, (CFG_SPARC_NWINDOWS-1) , %l4
or %l4, %g1, %g1
save ! Get into window to be saved.
mov %g1, %wim
nop;
nop;
nop
st %l0, [%sp + 0];
st %l1, [%sp + 4];
st %l2, [%sp + 8];
st %l3, [%sp + 12];
st %l4, [%sp + 16];
st %l5, [%sp + 20];
st %l6, [%sp + 24];
st %l7, [%sp + 28];
st %i0, [%sp + 32];
st %i1, [%sp + 36];
st %i2, [%sp + 40];
st %i3, [%sp + 44];
st %i4, [%sp + 48];
st %i5, [%sp + 52];
st %i6, [%sp + 56];
st %i7, [%sp + 60];
restore ! Go back to trap window.
mov %l7, %g1
jmp %l1 ! Re-execute save.
rett %l2
/* Window underflow trap handler. */
.global _window_underflow
_window_underflow:
mov %wim, %l3 ! Calculate next WIM
sll %l3, 1, %l4
srl %l3, (CFG_SPARC_NWINDOWS-1), %l5
or %l5, %l4, %l5
mov %l5, %wim
nop; nop; nop
restore ! Two restores to get into the
restore ! window to restore
ld [%sp + 0], %l0; ! Restore window from the stack
ld [%sp + 4], %l1;
ld [%sp + 8], %l2;
ld [%sp + 12], %l3;
ld [%sp + 16], %l4;
ld [%sp + 20], %l5;
ld [%sp + 24], %l6;
ld [%sp + 28], %l7;
ld [%sp + 32], %i0;
ld [%sp + 36], %i1;
ld [%sp + 40], %i2;
ld [%sp + 44], %i3;
ld [%sp + 48], %i4;
ld [%sp + 52], %i5;
ld [%sp + 56], %i6;
ld [%sp + 60], %i7;
save ! Get back to the trap window.
save
jmp %l1 ! Re-execute restore.
rett %l2
retl
_nmi_trap:
nop
jmp %l1
rett %l2
_hwerr:
ta 0
nop
nop
b _hwerr ! loop infinite
nop
/* Registers to not touch at all. */
#define t_psr l0 /* Set by caller */
#define t_pc l1 /* Set by caller */
#define t_npc l2 /* Set by caller */
#define t_wim l3 /* Set by caller */
#define t_twinmask l4 /* Set at beginning of this entry routine. */
#define t_kstack l5 /* Set right before pt_regs frame is built */
#define t_retpc l6 /* If you change this, change winmacro.h header file */
#define t_systable l7 /* Never touch this, could be the syscall table ptr. */
#define curptr g6 /* Set after pt_regs frame is built */
trap_setup:
/* build a pt_regs trap frame. */
sub %fp, (SF_REGS_SZ + PT_REGS_SZ), %t_kstack
PT_STORE_ALL(t_kstack, t_psr, t_pc, t_npc, g2)
/* See if we are in the trap window. */
mov 1, %t_twinmask
sll %t_twinmask, %t_psr, %t_twinmask ! t_twinmask = (1 << psr)
andcc %t_twinmask, %t_wim, %g0
beq 1f ! in trap window, clean up
nop
/*-------------------------------------------------
* Spill , adjust %wim and go.
*/
srl %t_wim, 0x1, %g2 ! begin computation of new %wim
set (CFG_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1
sll %t_wim, %g3, %t_wim ! NWINDOWS-1
or %t_wim, %g2, %g2
and %g2, 0xff, %g2
save %g0, %g0, %g0 ! get in window to be saved
/* Set new %wim value */
wr %g2, 0x0, %wim
/* Save the kernel window onto the corresponding stack. */
RW_STORE(sp)
restore %g0, %g0, %g0
/*-------------------------------------------------*/
1:
/* Trap from kernel with a window available.
* Just do it...
*/
jmpl %t_retpc + 0x8, %g0 ! return to caller
mov %t_kstack, %sp ! jump onto new stack
#define twin_tmp1 l4
#define glob_tmp g4
#define curptr g6
ret_trap_entry:
wr %t_psr, 0x0, %psr ! enable nesting again, clear ET
/* Will the rett land us in the invalid window? */
mov 2, %g1
sll %g1, %t_psr, %g1
set CFG_SPARC_NWINDOWS, %g2 !NWINDOWS
srl %g1, %g2, %g2
or %g1, %g2, %g1
rd %wim, %g2
andcc %g2, %g1, %g0
be 1f ! Nope, just return from the trap
sll %g2, 0x1, %g1
/* We have to grab a window before returning. */
set (CFG_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1
srl %g2, %g3, %g2
or %g1, %g2, %g1
and %g1, 0xff, %g1
wr %g1, 0x0, %wim
/* Grrr, make sure we load from the right %sp... */
PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1)
restore %g0, %g0, %g0
RW_LOAD(sp)
b 2f
save %g0, %g0, %g0
/* Reload the entire frame in case this is from a
* kernel system call or whatever...
*/
1:
PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1)
2:
wr %t_psr, 0x0, %psr
nop;
nop;
nop
jmp %t_pc
rett %t_npc
/* This is called from relocated C-code.
* It resets the system by jumping to _start
*/
_reset_reloc:
set start, %l0
call %l0
nop

54
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#
# (C) Copyright 2003-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
SOBJS =
COBJS = cpu_init.o serial.o cpu.o ambapp.o interrupts.o prom.o usb_uhci.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
START := $(addprefix $(obj),$(START))
all: $(obj).depend $(START) $(LIB)
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
$(START): $(START:.o=.S)
$(CC) -D__ASSEMBLY__ $(DBGFLAGS) $(OPTFLAGS) -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
-I$(TOPDIR)/include -fno-builtin -ffreestanding -nostdinc -isystem $(gccincdir) -pipe \
$(PLATFORM_CPPFLAGS) -Wall -Wstrict-prototypes \
-I$(TOPDIR)/board -c -o $(START) $(START:.o=.S)
sinclude $(obj).depend
#########################################################################

359
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/* Gaisler AMBA Plug&Play bus scanning. Functions
* ending on _nomem is inteded to be used only during
* initialization, only registers are used (no ram).
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <ambapp.h>
#if defined(CONFIG_CMD_AMBAPP)
extern void ambapp_print_apb(apbctrl_pp_dev * apb,
ambapp_ahbdev * apbmst, int index);
extern void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index);
extern int ambapp_apb_print;
extern int ambapp_ahb_print;
#endif
static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
unsigned int driver, /* Plug&Play Device ID */
ambapp_apbdev * dev, /* Result(s) is placed here */
int index, /* Index of device to start copying Plug&Play
* info into dev
*/
int max_cnt /* Maximal count that dev can hold, if dev
* is NULL function will stop scanning after
* max_cnt devices are found.
*/
)
{
int i, cnt = 0;
unsigned int apbmst_base;
ambapp_ahbdev apbmst;
apbctrl_pp_dev *apb;
if (max_cnt == 0)
return 0;
/* Get AMBA APB Master */
if (ambapp_ahbslv_first(VENDOR_GAISLER, GAISLER_APBMST, &apbmst) != 1) {
return 0;
}
/* Get APB CTRL Plug&Play info area */
apbmst_base = apbmst.address[0] & LEON3_IO_AREA;
apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
for (i = 0; i < LEON3_APB_SLAVES; i++) {
#if defined(CONFIG_CMD_AMBAPP)
if (ambapp_apb_print && amba_vendor(apb->conf)
&& amba_device(apb->conf)) {
ambapp_print_apb(apb, &apbmst, i);
}
#endif
if ((amba_vendor(apb->conf) == vendor) &&
(amba_device(apb->conf) == driver) && ((index < 0)
|| (index-- == 0))) {
/* Convert Plug&Play info into a more readable format */
cnt++;
if (dev) {
dev->irq = amba_irq(apb->conf);
dev->ver = amba_ver(apb->conf);
dev->address =
(apbmst_base |
(((apb->
bar & 0xfff00000) >> 12))) & (((apb->
bar &
0x0000fff0)
<< 4) |
0xfff00000);
dev++;
}
/* found max devices? */
if (cnt >= max_cnt)
return cnt;
}
/* Get next Plug&Play entry */
apb++;
}
return cnt;
}
unsigned int ambapp_apb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
register unsigned int driver, /* Plug&Play Device ID */
register int index)
{
register int i;
register ahbctrl_pp_dev *apbmst;
register apbctrl_pp_dev *apb;
register unsigned int apbmst_base;
/* APBMST is a AHB Slave */
apbmst = ambapp_ahb_next_nomem(VENDOR_GAISLER, GAISLER_APBMST, 1, 0);
if (!apbmst)
return 0;
apbmst_base = amba_membar_start(apbmst->bars[0]);
if (amba_membar_type(apbmst->bars[0]) == AMBA_TYPE_AHBIO)
apbmst_base = AMBA_TYPE_AHBIO_ADDR(apbmst_base);
apbmst_base &= LEON3_IO_AREA;
/* Find the vendor/driver device on the first APB bus */
apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
for (i = 0; i < LEON3_APB_SLAVES; i++) {
if ((amba_vendor(apb->conf) == vendor) &&
(amba_device(apb->conf) == driver) && ((index < 0)
|| (index-- == 0))) {
/* Convert Plug&Play info info a more readable format */
return (apbmst_base | (((apb->bar & 0xfff00000) >> 12)))
& (((apb->bar & 0x0000fff0) << 4) | 0xfff00000);
}
/* Get next Plug&Play entry */
apb++;
}
return 0;
}
/****************************** APB SLAVES ******************************/
int ambapp_apb_count(unsigned int vendor, unsigned int driver)
{
return ambapp_apb_scan(vendor, driver, NULL, 0, LEON3_APB_SLAVES);
}
int ambapp_apb_first(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev)
{
return ambapp_apb_scan(vendor, driver, dev, 0, 1);
}
int ambapp_apb_next(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev, int index)
{
return ambapp_apb_scan(vendor, driver, dev, index, 1);
}
int ambapp_apbs_first(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev, int max_cnt)
{
return ambapp_apb_scan(vendor, driver, dev, 0, max_cnt);
}
enum {
AHB_SCAN_MASTER = 0,
AHB_SCAN_SLAVE = 1
};
/* Scan AMBA Plug&Play bus for AMBA AHB Masters or AHB Slaves
* for a certain matching Vendor and Device ID.
*
* Return number of devices found.
*
* Compact edition...
*/
static int ambapp_ahb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
unsigned int driver, /* Plug&Play Device ID */
ambapp_ahbdev * dev, /* Result(s) is placed here */
int index, /* Index of device to start copying Plug&Play
* info into dev
*/
int max_cnt, /* Maximal count that dev can hold, if dev
* is NULL function will stop scanning after
* max_cnt devices are found.
*/
int type /* Selectes what type of devices to scan.
* 0=AHB Masters
* 1=AHB Slaves
*/
)
{
int i, j, cnt = 0, max_pp_devs;
unsigned int addr;
ahbctrl_info *info = (ahbctrl_info *) (LEON3_IO_AREA | LEON3_CONF_AREA);
ahbctrl_pp_dev *ahb;
if (max_cnt == 0)
return 0;
if (type == 0) {
max_pp_devs = LEON3_AHB_MASTERS;
ahb = info->masters;
} else {
max_pp_devs = LEON3_AHB_SLAVES;
ahb = info->slaves;
}
for (i = 0; i < max_pp_devs; i++) {
#if defined(CONFIG_CMD_AMBAPP)
if (ambapp_ahb_print && amba_vendor(ahb->conf) &&
amba_device(ahb->conf)) {
ambapp_print_ahb(ahb, i);
}
#endif
if ((amba_vendor(ahb->conf) == vendor) &&
(amba_device(ahb->conf) == driver) &&
((index < 0) || (index-- == 0))) {
/* Convert Plug&Play info info a more readable format */
cnt++;
if (dev) {
dev->irq = amba_irq(ahb->conf);
dev->ver = amba_ver(ahb->conf);
dev->userdef[0] = ahb->userdef[0];
dev->userdef[1] = ahb->userdef[1];
dev->userdef[2] = ahb->userdef[2];
for (j = 0; j < 4; j++) {
addr = amba_membar_start(ahb->bars[j]);
if (amba_membar_type(ahb->bars[j]) ==
AMBA_TYPE_AHBIO)
addr =
AMBA_TYPE_AHBIO_ADDR(addr);
dev->address[j] = addr;
}
dev++;
}
/* found max devices? */
if (cnt >= max_cnt)
return cnt;
}
/* Get next Plug&Play entry */
ahb++;
}
return cnt;
}
unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info)
{
register unsigned int ret;
if (!ahb)
return 0;
switch (info) {
default:
info = 0;
case 0:
case 1:
case 2:
case 3:
/* Get Address from PnP Info */
ret = amba_membar_start(ahb->bars[info]);
if (amba_membar_type(ahb->bars[info]) == AMBA_TYPE_AHBIO)
ret = AMBA_TYPE_AHBIO_ADDR(ret);
return ret;
}
return 0;
}
ahbctrl_pp_dev *ambapp_ahb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
register unsigned int driver, /* Plug&Play Device ID */
register unsigned int opts, /* 1=slave, 0=master */
register int index)
{
register ahbctrl_pp_dev *ahb;
register ahbctrl_info *info =
(ahbctrl_info *) (LEON3_IO_AREA | LEON3_CONF_AREA);
register int i;
register int max_pp_devs;
if (opts == 0) {
max_pp_devs = LEON3_AHB_MASTERS;
ahb = info->masters;
} else {
max_pp_devs = LEON3_AHB_SLAVES;
ahb = info->slaves;
}
for (i = 0; i < max_pp_devs; i++) {
if ((amba_vendor(ahb->conf) == vendor) &&
(amba_device(ahb->conf) == driver) &&
((index < 0) || (index-- == 0))) {
/* Convert Plug&Play info info a more readable format */
return ahb;
}
/* Get next Plug&Play entry */
ahb++;
}
return 0;
}
/****************************** AHB MASTERS ******************************/
int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver)
{
/* Get number of devices of this vendor&device ID */
return ambapp_ahb_scan(vendor, driver, NULL, 0, LEON3_AHB_MASTERS,
AHB_SCAN_MASTER);
}
int ambapp_ahbmst_first(unsigned int vendor, unsigned int driver,
ambapp_ahbdev * dev)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, 0, 1, AHB_SCAN_MASTER);
}
int ambapp_ahbmst_next(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int index)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, index, 1, AHB_SCAN_MASTER);
}
int ambapp_ahbmsts_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int max_cnt)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, 0, max_cnt,
AHB_SCAN_MASTER);
}
/****************************** AHB SLAVES ******************************/
int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver)
{
/* Get number of devices of this vendor&device ID */
return ambapp_ahb_scan(vendor, driver, NULL, 0, LEON3_AHB_SLAVES,
AHB_SCAN_SLAVE);
}
int ambapp_ahbslv_first(unsigned int vendor, unsigned int driver,
ambapp_ahbdev * dev)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, 0, 1, AHB_SCAN_SLAVE);
}
int ambapp_ahbslv_next(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int index)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, index, 1, AHB_SCAN_SLAVE);
}
int ambapp_ahbslvs_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int max_cnt)
{
/* find first device of this */
return ambapp_ahb_scan(vendor, driver, dev, 0, max_cnt, AHB_SCAN_SLAVE);
}

26
cpu/leon3/config.mk Normal file
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#
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
PLATFORM_RELFLAGS += -fPIC
PLATFORM_CPPFLAGS += -DCONFIG_LEON

67
cpu/leon3/cpu.c Normal file
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/* CPU specific code for the LEON3 CPU
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <watchdog.h>
#include <command.h>
#include <asm/io.h>
#include <asm/processor.h>
DECLARE_GLOBAL_DATA_PTR;
extern void _reset_reloc(void);
int checkcpu(void)
{
/* check LEON version here */
printf("CPU: LEON3\n");
return 0;
}
/* ------------------------------------------------------------------------- */
void cpu_reset(void)
{
/* Interrupts off */
disable_interrupts();
/* jump to restart in flash */
_reset_reloc();
}
int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
cpu_reset();
return 1;
}
u64 flash_read64(void *addr)
{
return __raw_readq(addr);
}
/* ------------------------------------------------------------------------- */

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cpu/leon3/cpu_init.c Normal file
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/* Initializes CPU and basic hardware such as memory
* controllers, IRQ controller and system timer 0.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/asi.h>
#include <asm/leon.h>
#include <ambapp.h>
#include <config.h>
DECLARE_GLOBAL_DATA_PTR;
/* reset CPU (jump to 0, without reset) */
void start(void);
/* find & initialize the memory controller */
int init_memory_ctrl(void);
ambapp_dev_irqmp *irqmp = NULL;
ambapp_dev_mctrl memctrl;
ambapp_dev_gptimer *gptimer = NULL;
unsigned int gptimer_irq = 0;
int leon3_snooping_avail = 0;
struct {
gd_t gd_area;
bd_t bd;
} global_data;
/*
* Breath some life into the CPU...
*
* Set up the memory map,
* initialize a bunch of registers.
*
* Run from FLASH/PROM:
* - until memory controller is set up, only registers avaiable
* - no global variables available for writing
* - constants avaiable
*/
void cpu_init_f(void)
{
/* these varaiable must not be initialized */
ambapp_dev_irqmp *irqmp;
ambapp_apbdev apbdev;
register unsigned int apbmst;
/* find AMBA APB Master */
apbmst = (unsigned int)
ambapp_ahb_next_nomem(VENDOR_GAISLER, GAISLER_APBMST, 1, 0);
if (!apbmst) {
/*
* no AHB/APB bridge, something is wrong
* ==> jump to start (or hang)
*/
while (1) ;
}
/* Init memory controller */
if (init_memory_ctrl()) {
while (1) ;
}
/****************************************************
* From here we can use the main memory and the stack.
*/
/* Find AMBA APB IRQMP Controller */
if (ambapp_apb_first(VENDOR_GAISLER, GAISLER_IRQMP, &apbdev) != 1) {
/* no IRQ controller, something is wrong
* ==> jump to start (or hang)
*/
while (1) ;
}
irqmp = (ambapp_dev_irqmp *) apbdev.address;
/* initialize the IRQMP */
irqmp->ilevel = 0xf; /* all IRQ off */
irqmp->iforce = 0;
irqmp->ipend = 0;
irqmp->iclear = 0xfffe; /* clear all old pending interrupts */
irqmp->cpu_mask[0] = 0; /* mask all IRQs on CPU 0 */
irqmp->cpu_force[0] = 0; /* no force IRQ on CPU 0 */
/* cache */
}
void cpu_init_f2(void)
{
}
/*
* initialize higher level parts of CPU like time base and timers
*/
int cpu_init_r(void)
{
ambapp_apbdev apbdev;
/*
* Find AMBA APB IRQMP Controller,
* When we come so far we know there is a IRQMP available
*/
ambapp_apb_first(VENDOR_GAISLER, GAISLER_IRQMP, &apbdev);
irqmp = (ambapp_dev_irqmp *) apbdev.address;
/* timer */
if (ambapp_apb_first(VENDOR_GAISLER, GAISLER_GPTIMER, &apbdev) != 1) {
printf("cpu_init_r: gptimer not found!\n");
return 1;
}
gptimer = (ambapp_dev_gptimer *) apbdev.address;
gptimer_irq = apbdev.irq;
/* initialize prescaler common to all timers to 1MHz */
gptimer->scalar = gptimer->scalar_reload =
(((CONFIG_SYS_CLK_FREQ / 1000) + 500) / 1000) - 1;
return (0);
}
/* find & setup memory controller */
int init_memory_ctrl()
{
register ambapp_dev_mctrl *mctrl;
register ambapp_dev_sdctrl *sdctrl;
register ambapp_dev_ddrspa *ddrspa;
register ambapp_dev_ddr2spa *ddr2spa;
register ahbctrl_pp_dev *ahb;
register unsigned int base;
register int not_found_mctrl = -1;
/* find ESA Memory controller */
base = ambapp_apb_next_nomem(VENDOR_ESA, ESA_MCTRL, 0);
if (base) {
mctrl = (ambapp_dev_mctrl *) base;
/* config MCTRL memory controller */
mctrl->mcfg1 = CFG_GRLIB_MEMCFG1 | (mctrl->mcfg1 & 0x300);
mctrl->mcfg2 = CFG_GRLIB_MEMCFG2;
mctrl->mcfg3 = CFG_GRLIB_MEMCFG3;
not_found_mctrl = 0;
}
/* find Gaisler Fault Tolerant Memory controller */
base = ambapp_apb_next_nomem(VENDOR_GAISLER, GAISLER_FTMCTRL, 0);
if (base) {
mctrl = (ambapp_dev_mctrl *) base;
/* config MCTRL memory controller */
mctrl->mcfg1 = CFG_GRLIB_FT_MEMCFG1 | (mctrl->mcfg1 & 0x300);
mctrl->mcfg2 = CFG_GRLIB_FT_MEMCFG2;
mctrl->mcfg3 = CFG_GRLIB_FT_MEMCFG3;
not_found_mctrl = 0;
}
/* find SDRAM controller */
base = ambapp_apb_next_nomem(VENDOR_GAISLER, GAISLER_SDCTRL, 0);
if (base) {
sdctrl = (ambapp_dev_sdctrl *) base;
/* config memory controller */
sdctrl->sdcfg = CFG_GRLIB_SDRAM;
not_found_mctrl = 0;
}
ahb = ambapp_ahb_next_nomem(VENDOR_GAISLER, GAISLER_DDR2SPA, 1, 0);
if (ahb) {
ddr2spa = (ambapp_dev_ddr2spa *) ambapp_ahb_get_info(ahb, 1);
/* Config DDR2 memory controller */
ddr2spa->cfg1 = CFG_GRLIB_DDR2_CFG1;
ddr2spa->cfg3 = CFG_GRLIB_DDR2_CFG3;
not_found_mctrl = 0;
}
ahb = ambapp_ahb_next_nomem(VENDOR_GAISLER, GAISLER_DDRSPA, 1, 0);
if (ahb) {
ddrspa = (ambapp_dev_ddrspa *) ambapp_ahb_get_info(ahb, 1);
/* Config DDR memory controller */
ddrspa->ctrl = CFG_GRLIB_DDR_CFG;
not_found_mctrl = 0;
}
/* failed to find any memory controller */
return not_found_mctrl;
}
/* Uses Timer 0 to get accurate
* pauses. Max 2 raised to 32 ticks
*
*/
void cpu_wait_ticks(unsigned long ticks)
{
unsigned long start = get_timer(0);
while (get_timer(start) < ticks) ;
}
/* initiate and setup timer0 interrupt to 1MHz
* Return irq number for timer int or a negative number for
* dealing with self
*/
int timer_interrupt_init_cpu(void)
{
/* 1ms ticks */
gptimer->e[0].val = 0;
gptimer->e[0].rld = 999; /* (((1000000 / 100) - 1)) */
gptimer->e[0].ctrl =
(LEON3_GPTIMER_EN |
LEON3_GPTIMER_RL | LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN);
return gptimer_irq;
}
/*
* This function is intended for SHORT delays only.
*/
unsigned long cpu_usec2ticks(unsigned long usec)
{
/* timer set to 1kHz ==> 1 clk tick = 1 msec */
if (usec < 1000)
return 1;
return (usec / 1000);
}
unsigned long cpu_ticks2usec(unsigned long ticks)
{
/* 1tick = 1usec */
return ticks * 1000;
}

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/*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
* (C) Copyright 2006
* Detlev Zundel, DENX Software Engineering, dzu@denx.de
*
* (C) Copyright -2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001
* Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm/stack.h>
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <command.h>
#include <asm/irq.h>
#include <asm/leon.h>
#include <ambapp.h>
/* 15 normal irqs and a non maskable interrupt */
#define NR_IRQS 15
struct irq_action {
interrupt_handler_t *handler;
void *arg;
unsigned int count;
};
extern ambapp_dev_irqmp *irqmp;
extern ambapp_dev_gptimer *gptimer;
static struct irq_action irq_handlers[NR_IRQS] = { {0}, };
static int spurious_irq_cnt = 0;
static int spurious_irq = 0;
static inline unsigned int irqmp_get_irqmask(unsigned int irq)
{
if ((irq < 0) || (irq >= NR_IRQS)) {
return 0;
} else {
return (1 << irq);
}
}
static void leon3_ic_disable(unsigned int irq)
{
unsigned int mask, pil;
if (!irqmp)
return;
pil = intLock();
/* get mask of interrupt */
mask = irqmp_get_irqmask(irq);
/* set int level */
irqmp->cpu_mask[0] = SPARC_NOCACHE_READ(&irqmp->cpu_mask[0]) & (~mask);
intUnlock(pil);
}
static void leon3_ic_enable(unsigned int irq)
{
unsigned int mask, pil;
if (!irqmp)
return;
pil = intLock();
/* get mask of interrupt */
mask = irqmp_get_irqmask(irq);
/* set int level */
irqmp->cpu_mask[0] = SPARC_NOCACHE_READ(&irqmp->cpu_mask[0]) | mask;
intUnlock(pil);
}
void handler_irq(int irq, struct pt_regs *regs)
{
if (irq_handlers[irq].handler) {
if (((unsigned int)irq_handlers[irq].handler > CFG_RAM_END) ||
((unsigned int)irq_handlers[irq].handler < CFG_RAM_BASE)
) {
printf("handler_irq: bad handler: %x, irq number %d\n",
(unsigned int)irq_handlers[irq].handler, irq);
return;
}
irq_handlers[irq].handler(irq_handlers[irq].arg);
irq_handlers[irq].count++;
} else {
spurious_irq_cnt++;
spurious_irq = irq;
}
}
void leon3_force_int(int irq)
{
if (!irqmp || (irq >= NR_IRQS) || (irq < 0))
return;
printf("Forcing interrupt %d\n", irq);
irqmp->iforce = SPARC_NOCACHE_READ(&irqmp->iforce) | (1 << irq);
}
/****************************************************************************/
int interrupt_init_cpu(void)
{
return (0);
}
/****************************************************************************/
/* Handle Timer 0 IRQ */
void timer_interrupt_cpu(void *arg)
{
gptimer->e[0].ctrl = (LEON3_GPTIMER_EN |
LEON3_GPTIMER_RL |
LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN);
/* nothing to do here */
return;
}
/****************************************************************************/
/*
* Install and free a interrupt handler.
*/
void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg)
{
if (irq < 0 || irq >= NR_IRQS) {
printf("irq_install_handler: bad irq number %d\n", irq);
return;
}
if (irq_handlers[irq].handler != NULL)
printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
(ulong) handler, (ulong) irq_handlers[irq].handler);
if (((unsigned int)handler > CFG_RAM_END) ||
((unsigned int)handler < CFG_RAM_BASE)
) {
printf("irq_install_handler: bad handler: %x, irq number %d\n",
(unsigned int)handler, irq);
return;
}
irq_handlers[irq].handler = handler;
irq_handlers[irq].arg = arg;
/* enable irq on IRQMP hardware */
leon3_ic_enable(irq);
}
void irq_free_handler(int irq)
{
if (irq < 0 || irq >= NR_IRQS) {
printf("irq_free_handler: bad irq number %d\n", irq);
return;
}
/* disable irq on IRQMP hardware */
leon3_ic_disable(irq);
irq_handlers[irq].handler = NULL;
irq_handlers[irq].arg = NULL;
}
/****************************************************************************/
#if defined(CONFIG_CMD_IRQ)
void do_irqinfo(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
{
int irq;
unsigned int pil = get_pil();
printf("PIL level: %u\n\r", pil);
printf("Spurious IRQ: %u, last unknown IRQ: %d\n",
spurious_irq_cnt, spurious_irq);
puts("\nInterrupt-Information:\n" "Nr Routine Arg Count\n");
for (irq = 0; irq < NR_IRQS; irq++) {
if (irq_handlers[irq].handler != NULL) {
printf("%02d %08lx %08lx %ld\n", irq,
(unsigned int)irq_handlers[irq].handler,
(unsigned int)irq_handlers[irq].arg,
irq_handlers[irq].count);
}
}
}
#endif

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/* GRLIB APBUART Serial controller driver
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/leon.h>
#include <ambapp.h>
DECLARE_GLOBAL_DATA_PTR;
/* Force cache miss each time a serial controller reg is read */
#define CACHE_BYPASS 1
#ifdef CACHE_BYPASS
#define READ_BYTE(var) SPARC_NOCACHE_READ_BYTE((unsigned int)&(var))
#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)&(var))
#define READ_WORD(var) SPARC_NOCACHE_READ((unsigned int)&(var))
#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)&(var))
#endif
ambapp_dev_apbuart *leon3_apbuart = NULL;
int serial_init(void)
{
ambapp_apbdev apbdev;
unsigned int tmp;
/* find UART */
if (ambapp_apb_first(VENDOR_GAISLER, GAISLER_APBUART, &apbdev) == 1) {
leon3_apbuart = (ambapp_dev_apbuart *) apbdev.address;
/* found apbuart, let's init...
*
* Set scaler / baud rate
*
* Receiver & transmitter enable
*/
leon3_apbuart->scaler = CFG_GRLIB_APBUART_SCALER;
/* Let bit 11 be unchanged (debug bit for GRMON) */
tmp = READ_WORD(leon3_apbuart->ctrl);
leon3_apbuart->ctrl = ((tmp & LEON_REG_UART_CTRL_DBG) |
LEON_REG_UART_CTRL_RE |
LEON_REG_UART_CTRL_TE);
return 0;
}
return -1; /* didn't find hardware */
}
void serial_putc(const char c)
{
if (c == '\n')
serial_putc_raw('\r');
serial_putc_raw(c);
}
void serial_putc_raw(const char c)
{
if (!leon3_apbuart)
return;
/* Wait for last character to go. */
while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_THE)) ;
/* Send data */
leon3_apbuart->data = c;
#ifdef LEON_DEBUG
/* Wait for data to be sent */
while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_TSE)) ;
#endif
}
void serial_puts(const char *s)
{
while (*s) {
serial_putc(*s++);
}
}
int serial_getc(void)
{
if (!leon3_apbuart)
return 0;
/* Wait for a character to arrive. */
while (!(READ_WORD(leon3_apbuart->status) & LEON_REG_UART_STATUS_DR)) ;
/* read data */
return READ_WORD(leon3_apbuart->data);
}
int serial_tstc(void)
{
if (leon3_apbuart)
return (READ_WORD(leon3_apbuart->status) &
LEON_REG_UART_STATUS_DR);
return 0;
}
/* set baud rate for uart */
void serial_setbrg(void)
{
/* update baud rate settings, read it from gd->baudrate */
unsigned int scaler;
if (leon3_apbuart && (gd->baudrate > 0)) {
scaler =
(((CONFIG_SYS_CLK_FREQ * 10) / (gd->baudrate * 8)) -
5) / 10;
leon3_apbuart->scaler = scaler;
}
return;
}

616
cpu/leon3/start.S Normal file
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/* This is where the SPARC/LEON3 starts
* Copyright (C) 2007,
* Daniel Hellstrom, daniel@gaisler.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <asm/asmmacro.h>
#include <asm/winmacro.h>
#include <asm/psr.h>
#include <asm/stack.h>
#include <asm/leon.h>
#include <version.h>
/* Entry for traps which jump to a programmer-specified trap handler. */
#define TRAPR(H) \
wr %g0, 0xfe0, %psr; \
mov %g0, %tbr; \
ba (H); \
mov %g0, %wim;
#define TRAP(H) \
mov %psr, %l0; \
ba (H); \
nop; nop;
#define TRAPI(ilevel) \
mov ilevel, %l7; \
mov %psr, %l0; \
b _irq_entry; \
mov %wim, %l3
/* Unexcpected trap will halt the processor by forcing it to error state */
#undef BAD_TRAP
#define BAD_TRAP ta 0; nop; nop; nop;
/* Software trap. Treat as BAD_TRAP for the time being... */
#define SOFT_TRAP TRAP(_hwerr)
#define PSR_INIT 0x1FC0 /* Disable traps, set s and ps */
#define WIM_INIT 2
/* All traps low-level code here must end with this macro. */
#define RESTORE_ALL b ret_trap_entry; clr %l6;
#define WRITE_PAUSE nop;nop;nop
WINDOWSIZE = (16 * 4)
ARGPUSHSIZE = (6 * 4)
ARGPUSH = (WINDOWSIZE + 4)
MINFRAME = (WINDOWSIZE + ARGPUSHSIZE + 4)
/* Number of register windows */
#ifndef CFG_SPARC_NWINDOWS
#error Must define number of SPARC register windows, default is 8
#endif
#define STACK_ALIGN 8
#define SA(X) (((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1))
.section ".start", "ax"
.globl _start, start, _trap_table
.globl _irq_entry, nmi_trap
.globl _reset_reloc
/* at address 0
* Hardware traps
*/
start:
_start:
_trap_table:
TRAPR(_hardreset); ! 00 reset trap
BAD_TRAP; ! 01 instruction_access_exception
BAD_TRAP; ! 02 illegal_instruction
BAD_TRAP; ! 03 priveleged_instruction
BAD_TRAP; ! 04 fp_disabled
TRAP(_window_overflow); ! 05 window_overflow
TRAP(_window_underflow); ! 06 window_underflow
BAD_TRAP; ! 07 Memory Address Not Aligned
BAD_TRAP; ! 08 Floating Point Exception
BAD_TRAP; ! 09 Data Miss Exception
BAD_TRAP; ! 0a Tagged Instruction Ovrflw
BAD_TRAP; ! 0b Watchpoint Detected
BAD_TRAP; ! 0c
BAD_TRAP; ! 0d
BAD_TRAP; ! 0e
BAD_TRAP; ! 0f
BAD_TRAP; ! 10
TRAPI(1); ! 11 IRQ level 1
TRAPI(2); ! 12 IRQ level 2
TRAPI(3); ! 13 IRQ level 3
TRAPI(4); ! 14 IRQ level 4
TRAPI(5); ! 15 IRQ level 5
TRAPI(6); ! 16 IRQ level 6
TRAPI(7); ! 17 IRQ level 7
TRAPI(8); ! 18 IRQ level 8
TRAPI(9); ! 19 IRQ level 9
TRAPI(10); ! 1a IRQ level 10
TRAPI(11); ! 1b IRQ level 11
TRAPI(12); ! 1c IRQ level 12
TRAPI(13); ! 1d IRQ level 13
TRAPI(14); ! 1e IRQ level 14
TRAP(_nmi_trap); ! 1f IRQ level 15 /
! NMI (non maskable interrupt)
BAD_TRAP; ! 20 r_register_access_error
BAD_TRAP; ! 21 instruction access error
BAD_TRAP; ! 22
BAD_TRAP; ! 23
BAD_TRAP; ! 24 co-processor disabled
BAD_TRAP; ! 25 uniplemented FLUSH
BAD_TRAP; ! 26
BAD_TRAP; ! 27
BAD_TRAP; ! 28 co-processor exception
BAD_TRAP; ! 29 data access error
BAD_TRAP; ! 2a division by zero
BAD_TRAP; ! 2b data store error
BAD_TRAP; ! 2c data access MMU miss
BAD_TRAP; ! 2d
BAD_TRAP; ! 2e
BAD_TRAP; ! 2f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30-33
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34-37
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38-3b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3c-3f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40-43
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44-47
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48-4b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4c-4f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50-53
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54-57
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58-5b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5c-5f
/* implementaion dependent */
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60-63
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64-67
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68-6b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6c-6f
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70-73
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74-77
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78-7b
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7c-7f
/* Software traps, not handled */
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 80-83
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 84-87
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88-8b
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8c-8f
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90-93
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94-97
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98-9b
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9c-9f
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a0-a3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a4-a7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a8-ab
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ac-af
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b0-b3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b4-b7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b8-bb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! bc-bf
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c0-c3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c4-c7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c8-cb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! cc-cf
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d0-d3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d4-d7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d8-db
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! dc-df
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e0-e3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e4-e7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e8-eb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ec-ef
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f0-f3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f4-f7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f8-fb
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! fc-ff
/*
* Version string
*/
.data
.extern leon3_snooping_avail
.globl version_string
version_string:
.ascii U_BOOT_VERSION
.ascii " (", __DATE__, " - ", __TIME__, ")"
.ascii CONFIG_IDENT_STRING, "\0"
.section ".text"
.align 4
_hardreset:
1000:
flush
/* Enable I/D-Cache and Snooping */
set 0x0081000f, %g2
sta %g2, [%g0] 2
mov %g0, %y
clr %g1
clr %g2
clr %g3
clr %g4
clr %g5
clr %g6
clr %g7
mov %asr17, %g3
and %g3, 0x1f, %g3
clear_window:
mov %g0, %l0
mov %g0, %l1
mov %g0, %l2
mov %g0, %l3
mov %g0, %l4
mov %g0, %l5
mov %g0, %l6
mov %g0, %l7
mov %g0, %o0
mov %g0, %o1
mov %g0, %o2
mov %g0, %o3
mov %g0, %o4
mov %g0, %o5
mov %g0, %o6
mov %g0, %o7
subcc %g3, 1, %g3
bge clear_window
save
wininit:
set WIM_INIT, %g3
mov %g3, %wim
stackp:
set CFG_INIT_SP_OFFSET, %fp
andn %fp, 0x0f, %fp
sub %fp, 64, %sp
cpu_init_unreloc:
call cpu_init_f
nop
/* un relocated start address of monitor */
#define TEXT_START _text
/* un relocated end address of monitor */
#define DATA_END __init_end
reloc:
set TEXT_START,%g2
set DATA_END,%g3
set CFG_RELOC_MONITOR_BASE,%g4
reloc_loop:
ldd [%g2],%l0
ldd [%g2+8],%l2
std %l0,[%g4]
std %l2,[%g4+8]
inc 16,%g2
subcc %g3,%g2,%g0
bne reloc_loop
inc 16,%g4
clr %l0
clr %l1
clr %l2
clr %l3
clr %g2
/* register g4 contain address to start
* This means that BSS must be directly after data and code segments
*
* g3 is length of bss = (__bss_end-__bss_start)
*
*/
clr_bss:
/* clear bss area (the relocated) */
set __bss_start,%g2
set __bss_end,%g3
sub %g3,%g2,%g3
add %g3,%g4,%g3
clr %g1 /* std %g0 uses g0 and g1 */
/* clearing 16byte a time ==> linker script need to align to 16 byte offset */
clr_bss_16:
std %g0,[%g4]
std %g0,[%g4+8]
inc 16,%g4
cmp %g3,%g4
bne clr_bss_16
nop
/* add offsets to GOT table */
fixup_got:
set __got_start,%g4
set __got_end,%g3
/*
* new got offset = (old GOT-PTR (read with ld) -
* CFG_RELOC_MONITOR_BASE(from define) ) +
* Destination Address (from define)
*/
set CFG_RELOC_MONITOR_BASE,%g2
set TEXT_START, %g1
add %g4,%g2,%g4
sub %g4,%g1,%g4
add %g3,%g2,%g3
sub %g3,%g1,%g3
sub %g2,%g1,%g2 ! prepare register with (new base address) -
! (old base address)
got_loop:
ld [%g4],%l0 ! load old GOT-PTR
add %l0,%g2,%l0 ! increase with (new base address) -
! (old base)
st %l0,[%g4]
inc 4,%g4
cmp %g3,%g4
bne got_loop
nop
prom_relocate:
set __prom_start, %g2
set __prom_end, %g3
set CFG_PROM_OFFSET, %g4
prom_relocate_loop:
ldd [%g2],%l0
ldd [%g2+8],%l2
std %l0,[%g4]
std %l2,[%g4+8]
inc 16,%g2
subcc %g3,%g2,%g0
bne prom_relocate_loop
inc 16,%g4
/* Trap table has been moved, lets tell CPU about
* the new trap table address
*/
set CFG_RELOC_MONITOR_BASE, %g2
wr %g0, %g2, %tbr
nop
nop
nop
/* If CACHE snooping is available in hardware the
* variable leon3_snooping_avail will be set to
* 0x800000 else 0.
*/
snoop_detect:
sethi %hi(0x00800000), %o0
lda [%g0] 2, %o1
and %o0, %o1, %o0
sethi %hi(leon3_snooping_avail+CFG_RELOC_MONITOR_BASE-TEXT_BASE), %o1
st %o0, [%lo(leon3_snooping_avail+CFG_RELOC_MONITOR_BASE-TEXT_BASE)+%o1]
/* call relocate*/
nop
/* Call relocated init functions */
jump:
set cpu_init_f2,%o1
set CFG_RELOC_MONITOR_BASE,%o2
add %o1,%o2,%o1
sub %o1,%g1,%o1
call %o1
clr %o0
set board_init_f,%o1
set CFG_RELOC_MONITOR_BASE,%o2
add %o1,%o2,%o1
sub %o1,%g1,%o1
call %o1
clr %o0
dead: ta 0 ! if call returns...
nop
/* Interrupt handler caller,
* reg L7: interrupt number
* reg L0: psr after interrupt
* reg L1: PC
* reg L2: next PC
* reg L3: wim
*/
_irq_entry:
SAVE_ALL
or %l0, PSR_PIL, %g2
wr %g2, 0x0, %psr
WRITE_PAUSE
wr %g2, PSR_ET, %psr
WRITE_PAUSE
mov %l7, %o0 ! irq level
set handler_irq, %o1
set (CFG_RELOC_MONITOR_BASE-TEXT_BASE), %o2
add %o1, %o2, %o1
call %o1
add %sp, SF_REGS_SZ, %o1 ! pt_regs ptr
or %l0, PSR_PIL, %g2 ! restore PIL after handler_irq
wr %g2, PSR_ET, %psr ! keep ET up
WRITE_PAUSE
RESTORE_ALL
!Window overflow trap handler.
.global _window_overflow
_window_overflow:
mov %wim, %l3 ! Calculate next WIM
mov %g1, %l7
srl %l3, 1, %g1
sll %l3, (CFG_SPARC_NWINDOWS-1) , %l4
or %l4, %g1, %g1
save ! Get into window to be saved.
mov %g1, %wim
nop;
nop;
nop
st %l0, [%sp + 0];
st %l1, [%sp + 4];
st %l2, [%sp + 8];
st %l3, [%sp + 12];
st %l4, [%sp + 16];
st %l5, [%sp + 20];
st %l6, [%sp + 24];
st %l7, [%sp + 28];
st %i0, [%sp + 32];
st %i1, [%sp + 36];
st %i2, [%sp + 40];
st %i3, [%sp + 44];
st %i4, [%sp + 48];
st %i5, [%sp + 52];
st %i6, [%sp + 56];
st %i7, [%sp + 60];
restore ! Go back to trap window.
mov %l7, %g1
jmp %l1 ! Re-execute save.
rett %l2
/* Window underflow trap handler. */
.global _window_underflow
_window_underflow:
mov %wim, %l3 ! Calculate next WIM
sll %l3, 1, %l4
srl %l3, (CFG_SPARC_NWINDOWS-1), %l5
or %l5, %l4, %l5
mov %l5, %wim
nop; nop; nop
restore ! Two restores to get into the
restore ! window to restore
ld [%sp + 0], %l0; ! Restore window from the stack
ld [%sp + 4], %l1;
ld [%sp + 8], %l2;
ld [%sp + 12], %l3;
ld [%sp + 16], %l4;
ld [%sp + 20], %l5;
ld [%sp + 24], %l6;
ld [%sp + 28], %l7;
ld [%sp + 32], %i0;
ld [%sp + 36], %i1;
ld [%sp + 40], %i2;
ld [%sp + 44], %i3;
ld [%sp + 48], %i4;
ld [%sp + 52], %i5;
ld [%sp + 56], %i6;
ld [%sp + 60], %i7;
save ! Get back to the trap window.
save
jmp %l1 ! Re-execute restore.
rett %l2
retl
_nmi_trap:
nop
jmp %l1
rett %l2
_hwerr:
ta 0
nop
nop
b _hwerr ! loop infinite
nop
/* Registers to not touch at all. */
#define t_psr l0 /* Set by caller */
#define t_pc l1 /* Set by caller */
#define t_npc l2 /* Set by caller */
#define t_wim l3 /* Set by caller */
#define t_twinmask l4 /* Set at beginning of this entry routine. */
#define t_kstack l5 /* Set right before pt_regs frame is built */
#define t_retpc l6 /* If you change this, change winmacro.h header file */
#define t_systable l7 /* Never touch this, could be the syscall table ptr. */
#define curptr g6 /* Set after pt_regs frame is built */
trap_setup:
/* build a pt_regs trap frame. */
sub %fp, (SF_REGS_SZ + PT_REGS_SZ), %t_kstack
PT_STORE_ALL(t_kstack, t_psr, t_pc, t_npc, g2)
/* See if we are in the trap window. */
mov 1, %t_twinmask
sll %t_twinmask, %t_psr, %t_twinmask ! t_twinmask = (1 << psr)
andcc %t_twinmask, %t_wim, %g0
beq 1f ! in trap window, clean up
nop
/*-------------------------------------------------
* Spill , adjust %wim and go.
*/
srl %t_wim, 0x1, %g2 ! begin computation of new %wim
set (CFG_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1
sll %t_wim, %g3, %t_wim ! NWINDOWS-1
or %t_wim, %g2, %g2
and %g2, 0xff, %g2
save %g0, %g0, %g0 ! get in window to be saved
/* Set new %wim value */
wr %g2, 0x0, %wim
/* Save the kernel window onto the corresponding stack. */
RW_STORE(sp)
restore %g0, %g0, %g0
/*-------------------------------------------------*/
1:
/* Trap from kernel with a window available.
* Just do it...
*/
jmpl %t_retpc + 0x8, %g0 ! return to caller
mov %t_kstack, %sp ! jump onto new stack
#define twin_tmp1 l4
#define glob_tmp g4
#define curptr g6
ret_trap_entry:
wr %t_psr, 0x0, %psr ! enable nesting again, clear ET
/* Will the rett land us in the invalid window? */
mov 2, %g1
sll %g1, %t_psr, %g1
set CFG_SPARC_NWINDOWS, %g2 !NWINDOWS
srl %g1, %g2, %g2
or %g1, %g2, %g1
rd %wim, %g2
andcc %g2, %g1, %g0
be 1f ! Nope, just return from the trap
sll %g2, 0x1, %g1
/* We have to grab a window before returning. */
set (CFG_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1
srl %g2, %g3, %g2
or %g1, %g2, %g1
and %g1, 0xff, %g1
wr %g1, 0x0, %wim
/* Grrr, make sure we load from the right %sp... */
PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1)
restore %g0, %g0, %g0
RW_LOAD(sp)
b 2f
save %g0, %g0, %g0
/* Reload the entire frame in case this is from a
* kernel system call or whatever...
*/
1:
PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1)
2:
wr %t_psr, 0x0, %psr
nop;
nop;
nop
jmp %t_pc
rett %t_npc
/* This is called from relocated C-code.
* It resets the system by jumping to _start
*/
_reset_reloc:
set start, %l0
call %l0
nop

1313
cpu/leon3/usb_uhci.c Normal file
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File diff suppressed because it is too large Load Diff

184
cpu/leon3/usb_uhci.h Normal file
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@ -0,0 +1,184 @@
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Note: Part of this code has been derived from linux
*
*/
#ifndef _USB_UHCI_H_
#define _USB_UHCI_H_
/* Command register */
#define USBCMD 0
#define USBCMD_RS 0x0001 /* Run/Stop */
#define USBCMD_HCRESET 0x0002 /* Host reset */
#define USBCMD_GRESET 0x0004 /* Global reset */
#define USBCMD_EGSM 0x0008 /* Global Suspend Mode */
#define USBCMD_FGR 0x0010 /* Force Global Resume */
#define USBCMD_SWDBG 0x0020 /* SW Debug mode */
#define USBCMD_CF 0x0040 /* Config Flag (sw only) */
#define USBCMD_MAXP 0x0080 /* Max Packet (0 = 32, 1 = 64) */
/* Status register */
#define USBSTS 2
#define USBSTS_USBINT 0x0001 /* Interrupt due to IOC */
#define USBSTS_ERROR 0x0002 /* Interrupt due to error */
#define USBSTS_RD 0x0004 /* Resume Detect */
#define USBSTS_HSE 0x0008 /* Host System Error - basically PCI problems */
#define USBSTS_HCPE 0x0010 /* Host Controller Process Error - the scripts were buggy */
#define USBSTS_HCH 0x0020 /* HC Halted */
/* Interrupt enable register */
#define USBINTR 4
#define USBINTR_TIMEOUT 0x0001 /* Timeout/CRC error enable */
#define USBINTR_RESUME 0x0002 /* Resume interrupt enable */
#define USBINTR_IOC 0x0004 /* Interrupt On Complete enable */
#define USBINTR_SP 0x0008 /* Short packet interrupt enable */
#define USBFRNUM 6
#define USBFLBASEADD 8
#define USBSOF 12
/* USB port status and control registers */
#define USBPORTSC1 16
#define USBPORTSC2 18
#define USBPORTSC_CCS 0x0001 /* Current Connect Status ("device present") */
#define USBPORTSC_CSC 0x0002 /* Connect Status Change */
#define USBPORTSC_PE 0x0004 /* Port Enable */
#define USBPORTSC_PEC 0x0008 /* Port Enable Change */
#define USBPORTSC_LS 0x0030 /* Line Status */
#define USBPORTSC_RD 0x0040 /* Resume Detect */
#define USBPORTSC_LSDA 0x0100 /* Low Speed Device Attached */
#define USBPORTSC_PR 0x0200 /* Port Reset */
#define USBPORTSC_SUSP 0x1000 /* Suspend */
/* Legacy support register */
#define USBLEGSUP 0xc0
#define USBLEGSUP_DEFAULT 0x2000 /* only PIRQ enable set */
#define UHCI_NULL_DATA_SIZE 0x7ff /* for UHCI controller TD */
#define UHCI_PID 0xff /* PID MASK */
#define UHCI_PTR_BITS 0x000F
#define UHCI_PTR_TERM 0x0001
#define UHCI_PTR_QH 0x0002
#define UHCI_PTR_DEPTH 0x0004
/* for TD <status>: */
#define TD_CTRL_SPD (1 << 29) /* Short Packet Detect */
#define TD_CTRL_C_ERR_MASK (3 << 27) /* Error Counter bits */
#define TD_CTRL_LS (1 << 26) /* Low Speed Device */
#define TD_CTRL_IOS (1 << 25) /* Isochronous Select */
#define TD_CTRL_IOC (1 << 24) /* Interrupt on Complete */
#define TD_CTRL_ACTIVE (1 << 23) /* TD Active */
#define TD_CTRL_STALLED (1 << 22) /* TD Stalled */
#define TD_CTRL_DBUFERR (1 << 21) /* Data Buffer Error */
#define TD_CTRL_BABBLE (1 << 20) /* Babble Detected */
#define TD_CTRL_NAK (1 << 19) /* NAK Received */
#define TD_CTRL_CRCTIMEO (1 << 18) /* CRC/Time Out Error */
#define TD_CTRL_BITSTUFF (1 << 17) /* Bit Stuff Error */
#define TD_CTRL_ACTLEN_MASK 0x7ff /* actual length, encoded as n - 1 */
#define TD_CTRL_ANY_ERROR (TD_CTRL_STALLED | TD_CTRL_DBUFERR | \
TD_CTRL_BABBLE | TD_CTRL_CRCTIME | TD_CTRL_BITSTUFF)
#define TD_TOKEN_TOGGLE 19
/* ------------------------------------------------------------------------------------
Virtual Root HUB
------------------------------------------------------------------------------------ */
/* destination of request */
#define RH_INTERFACE 0x01
#define RH_ENDPOINT 0x02
#define RH_OTHER 0x03
#define RH_CLASS 0x20
#define RH_VENDOR 0x40
/* Requests: bRequest << 8 | bmRequestType */
#define RH_GET_STATUS 0x0080
#define RH_CLEAR_FEATURE 0x0100
#define RH_SET_FEATURE 0x0300
#define RH_SET_ADDRESS 0x0500
#define RH_GET_DESCRIPTOR 0x0680
#define RH_SET_DESCRIPTOR 0x0700
#define RH_GET_CONFIGURATION 0x0880
#define RH_SET_CONFIGURATION 0x0900
#define RH_GET_STATE 0x0280
#define RH_GET_INTERFACE 0x0A80
#define RH_SET_INTERFACE 0x0B00
#define RH_SYNC_FRAME 0x0C80
/* Our Vendor Specific Request */
#define RH_SET_EP 0x2000
/* Hub port features */
#define RH_PORT_CONNECTION 0x00
#define RH_PORT_ENABLE 0x01
#define RH_PORT_SUSPEND 0x02
#define RH_PORT_OVER_CURRENT 0x03
#define RH_PORT_RESET 0x04
#define RH_PORT_POWER 0x08
#define RH_PORT_LOW_SPEED 0x09
#define RH_C_PORT_CONNECTION 0x10
#define RH_C_PORT_ENABLE 0x11
#define RH_C_PORT_SUSPEND 0x12
#define RH_C_PORT_OVER_CURRENT 0x13
#define RH_C_PORT_RESET 0x14
/* Hub features */
#define RH_C_HUB_LOCAL_POWER 0x00
#define RH_C_HUB_OVER_CURRENT 0x01
#define RH_DEVICE_REMOTE_WAKEUP 0x00
#define RH_ENDPOINT_STALL 0x01
/* Our Vendor Specific feature */
#define RH_REMOVE_EP 0x00
#define RH_ACK 0x01
#define RH_REQ_ERR -1
#define RH_NACK 0x00
/* Transfer descriptor structure */
typedef struct {
unsigned long link; /* next td/qh (LE) */
unsigned long status; /* status of the td */
unsigned long info; /* Max Lenght / Endpoint / device address and PID */
unsigned long buffer; /* pointer to data buffer (LE) */
unsigned long dev_ptr; /* pointer to the assigned device (BE) */
unsigned long res[3]; /* reserved (TDs must be 8Byte aligned) */
} uhci_td_t, *puhci_td_t;
/* Queue Header structure */
typedef struct {
unsigned long head; /* Next QH (LE) */
unsigned long element; /* Queue element pointer (LE) */
unsigned long res[5]; /* reserved */
unsigned long dev_ptr; /* if 0 no tds have been assigned to this qh */
} uhci_qh_t, *puhci_qh_t;
struct virt_root_hub {
int devnum; /* Address of Root Hub endpoint */
int numports; /* number of ports */
int c_p_r[8]; /* C_PORT_RESET */
};
#endif /* _USB_UHCI_H_ */

3
examples/Makefile
View File

@ -69,6 +69,9 @@ ifeq ($(ARCH),sh)
LOAD_ADDR = 0x8C000000
endif
ifeq ($(ARCH),sparc)
LOAD_ADDR = 0x00000000 -L $(gcclibdir) -T sparc.lds
endif
include $(TOPDIR)/config.mk

61
examples/sparc.lds Normal file
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@ -0,0 +1,61 @@
/*
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
OUTPUT_ARCH(sparc)
ENTRY(_start)
SECTIONS
{
.text :
{
*(.text)
}
__text_end = .;
. = ALIGN(4);
.rodata :
{
*(.rodata)
}
__rodata_end = .;
. = ALIGN(4);
.data :
{
*(.data)
}
. = ALIGN(4);
__data_end = .;
__bss_start = .;
. = ALIGN(4);
.bss :
{
*(.bss)
}
. = ALIGN(4);
__bss_end = .;
_end = .;
}

16
examples/stubs.c
View File

@ -167,6 +167,22 @@ gd_t *global_data;
" nop\n" \
" nop\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1");
#elif defined(CONFIG_SPARC)
/*
* g7 holds the pointer to the global_data. g1 is call clobbered.
*/
#define EXPORT_FUNC(x) \
asm volatile( \
" .globl\t" #x "\n" \
#x ":\n" \
" set %0, %%g1\n" \
" or %%g1, %%g7, %%g1\n" \
" ld [%%g1], %%g1\n" \
" ld [%%g1 + %1], %%g1\n" \
" call %%g1\n" \
" nop\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x) : "g1" );
#else
#error stubs definition missing for this architecture
#endif

394
include/ambapp.h Normal file
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@ -0,0 +1,394 @@
/* Interface for accessing Gaisler AMBA Plug&Play Bus.
* The AHB bus can be interfaced with a simpler bus -
* the APB bus, also freely available in GRLIB at
* www.gaisler.com.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __AMBAPP_H__
#define __AMBAPP_H__
/* Default location of Plug&Play info
* normally 0xfffff000 for AHB masters
* and 0xfffff800 for AHB slaves.
* Normally no need to change this.
*/
#define LEON3_IO_AREA 0xfff00000
#define LEON3_CONF_AREA 0xff000
#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)
/* Max devices this software will support */
#define LEON3_AHB_MASTERS 16
#define LEON3_AHB_SLAVES 16
/*#define LEON3_APB_MASTERS 1*//* Number of APB buses that has Plug&Play */
#define LEON3_APB_SLAVES 16 /* Total number of APB slaves per APB bus */
/* Vendor codes */
#define VENDOR_GAISLER 1
#define VENDOR_PENDER 2
#define VENDOR_ESA 4
#define VENDOR_ASTRIUM 6
#define VENDOR_OPENCHIP 7
#define VENDOR_OPENCORES 8
#define VENDOR_CONTRIB 9
#define VENDOR_EONIC 11
#define VENDOR_RADIONOR 15
#define VENDOR_GLEICHMANN 16
#define VENDOR_MENTA 17
#define VENDOR_SUN 19
#define VENDOR_EMBEDDIT 234
#define VENDOR_CAL 202
/* Gaisler Research device id's */
#define GAISLER_LEON3 0x003
#define GAISLER_LEON3DSU 0x004
#define GAISLER_ETHAHB 0x005
#define GAISLER_APBMST 0x006
#define GAISLER_AHBUART 0x007
#define GAISLER_SRCTRL 0x008
#define GAISLER_SDCTRL 0x009
#define GAISLER_APBUART 0x00C
#define GAISLER_IRQMP 0x00D
#define GAISLER_AHBRAM 0x00E
#define GAISLER_GPTIMER 0x011
#define GAISLER_PCITRG 0x012
#define GAISLER_PCISBRG 0x013
#define GAISLER_PCIFBRG 0x014
#define GAISLER_PCITRACE 0x015
#define GAISLER_PCIDMA 0x016
#define GAISLER_AHBTRACE 0x017
#define GAISLER_ETHDSU 0x018
#define GAISLER_PIOPORT 0x01A
#define GAISLER_AHBJTAG 0x01c
#define GAISLER_SPW 0x01f
#define GAISLER_ATACTRL 0x024
#define GAISLER_VGA 0x061
#define GAISLER_KBD 0X060
#define GAISLER_ETHMAC 0x01D
#define GAISLER_DDRSPA 0x025
#define GAISLER_EHCI 0x026
#define GAISLER_UHCI 0x027
#define GAISLER_SPW2 0x029
#define GAISLER_DDR2SPA 0x02E
#define GAISLER_AHBSTAT 0x052
#define GAISLER_FTMCTRL 0x054
#define GAISLER_L2TIME 0xffd /* internal device: leon2 timer */
#define GAISLER_L2C 0xffe /* internal device: leon2compat */
#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */
/* European Space Agency device id's */
#define ESA_LEON2 0x2
#define ESA_MCTRL 0xF
/* Opencores device id's */
#define OPENCORES_PCIBR 0x4
#define OPENCORES_ETHMAC 0x5
/* Vendor codes */
/*
*
* Macros for manipulating Configuration registers
*
*/
#define amba_vendor(x) (((x) >> 24) & 0xff)
#define amba_device(x) (((x) >> 12) & 0xfff)
#define amba_membar_start(mbar) \
(((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))
#define amba_iobar_start(base, iobar) \
((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )
#define amba_irq(conf) ((conf) & 0xf)
#define amba_ver(conf) (((conf)>>5) & 0x1f)
#define amba_membar_type(mbar) ((mbar) & 0xf)
#define amba_membar_mask(mbar) (((mbar)>>4) & 0xfff)
#define AMBA_TYPE_APBIO 0x1
#define AMBA_TYPE_MEM 0x2
#define AMBA_TYPE_AHBIO 0x3
#define AMBA_TYPE_AHBIO_ADDR(addr) (LEON3_IO_AREA | ((addr) >> 12))
#ifndef __ASSEMBLER__
#ifdef CONFIG_CMD_AMBAPP
/* AMBA Plug&Play relocation & initialization */
int ambapp_init_reloc(void);
/* AMBA Plug&Play Name of Vendors and devices */
/* Return name of device */
char *ambapp_device_id2str(int vendor, int id);
/* Return name of vendor */
char *ambapp_vendor_id2str(int vendor);
#endif
/*
* Types and structure used for AMBA Plug & Play bus scanning
*/
/* AMBA Plug&Play AHB information layout */
typedef struct {
unsigned int conf;
unsigned int userdef[3];
unsigned int bars[4];
} ahbctrl_pp_dev;
/* Prototypes for scanning AMBA Plug&Play bus for AMBA
* i) AHB Masters
* ii) AHB Slaves
* iii) APB Slaves (APB MST is a AHB Slave)
*/
typedef struct {
unsigned char irq;
unsigned char ver;
unsigned int address;
} ambapp_apbdev;
typedef struct {
unsigned char irq;
unsigned char ver;
unsigned int userdef[3];
unsigned int address[4];
} ambapp_ahbdev;
/* AMBA Plug&Play AHB Masters & Slaves information locations
* Max devices is 64 supported by HW, however often only 8
* are used.
*/
typedef struct {
ahbctrl_pp_dev masters[64];
ahbctrl_pp_dev slaves[64];
} ahbctrl_info;
/* AMBA Plug&Play AHB information layout */
typedef struct {
unsigned int conf;
unsigned int bar;
} apbctrl_pp_dev;
/* All functions return the number of found devices
* 0 = no devices found
*/
/****************************** APB SLAVES ******************************/
int ambapp_apb_count(unsigned int vendor, unsigned int driver);
int ambapp_apb_first(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev);
int ambapp_apb_next(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev, int index);
int ambapp_apbs_first(unsigned int vendor,
unsigned int driver, ambapp_apbdev * dev, int max_cnt);
/****************************** AHB MASTERS ******************************/
int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver);
int ambapp_ahbmst_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev);
int ambapp_ahbmst_next(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int index);
int ambapp_ahbmsts_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int max_cnt);
/****************************** AHB SLAVES ******************************/
int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver);
int ambapp_ahbslv_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev);
int ambapp_ahbslv_next(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int index);
int ambapp_ahbslvs_first(unsigned int vendor,
unsigned int driver, ambapp_ahbdev * dev, int max_cnt);
/*************************** AHB/APB only regs functions *************************
* During start up, no memory is available we can use the simplified functions
* to get to the memory controller.
*
* Functions uses no stack/memory, only registers.
*/
unsigned int ambapp_apb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
register unsigned int driver, /* Plug&Play Device ID */
register int index);
ahbctrl_pp_dev *ambapp_ahb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
register unsigned int driver, /* Plug&Play Device ID */
register unsigned int opts, /* scan for AHB 1=slave, 0=masters */
register int index);
unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info);
/*************************** AMBA Plug&Play device register MAPS *****************/
/*
* The following defines the bits in the LEON UART Status Registers.
*/
#define LEON_REG_UART_STATUS_DR 0x00000001 /* Data Ready */
#define LEON_REG_UART_STATUS_TSE 0x00000002 /* TX Send Register Empty */
#define LEON_REG_UART_STATUS_THE 0x00000004 /* TX Hold Register Empty */
#define LEON_REG_UART_STATUS_BR 0x00000008 /* Break Error */
#define LEON_REG_UART_STATUS_OE 0x00000010 /* RX Overrun Error */
#define LEON_REG_UART_STATUS_PE 0x00000020 /* RX Parity Error */
#define LEON_REG_UART_STATUS_FE 0x00000040 /* RX Framing Error */
#define LEON_REG_UART_STATUS_ERR 0x00000078 /* Error Mask */
/*
* The following defines the bits in the LEON UART Ctrl Registers.
*/
#define LEON_REG_UART_CTRL_RE 0x00000001 /* Receiver enable */
#define LEON_REG_UART_CTRL_TE 0x00000002 /* Transmitter enable */
#define LEON_REG_UART_CTRL_RI 0x00000004 /* Receiver interrupt enable */
#define LEON_REG_UART_CTRL_TI 0x00000008 /* Transmitter interrupt enable */
#define LEON_REG_UART_CTRL_PS 0x00000010 /* Parity select */
#define LEON_REG_UART_CTRL_PE 0x00000020 /* Parity enable */
#define LEON_REG_UART_CTRL_FL 0x00000040 /* Flow control enable */
#define LEON_REG_UART_CTRL_LB 0x00000080 /* Loop Back enable */
#define LEON_REG_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */
#define LEON3_GPTIMER_EN 1
#define LEON3_GPTIMER_RL 2
#define LEON3_GPTIMER_LD 4
#define LEON3_GPTIMER_IRQEN 8
/*
* The following defines the bits in the LEON PS/2 Status Registers.
*/
#define LEON_REG_PS2_STATUS_DR 0x00000001 /* Data Ready */
#define LEON_REG_PS2_STATUS_PE 0x00000002 /* Parity error */
#define LEON_REG_PS2_STATUS_FE 0x00000004 /* Framing error */
#define LEON_REG_PS2_STATUS_KI 0x00000008 /* Keyboard inhibit */
/*
* The following defines the bits in the LEON PS/2 Ctrl Registers.
*/
#define LEON_REG_PS2_CTRL_RE 0x00000001 /* Receiver enable */
#define LEON_REG_PS2_CTRL_TE 0x00000002 /* Transmitter enable */
#define LEON_REG_PS2_CTRL_RI 0x00000004 /* Keyboard receive interrupt */
#define LEON_REG_PS2_CTRL_TI 0x00000008 /* Keyboard transmit interrupt */
typedef struct {
volatile unsigned int ilevel;
volatile unsigned int ipend;
volatile unsigned int iforce;
volatile unsigned int iclear;
volatile unsigned int mstatus;
volatile unsigned int notused[11];
volatile unsigned int cpu_mask[16];
volatile unsigned int cpu_force[16];
} ambapp_dev_irqmp;
typedef struct {
volatile unsigned int data;
volatile unsigned int status;
volatile unsigned int ctrl;
volatile unsigned int scaler;
} ambapp_dev_apbuart;
typedef struct {
volatile unsigned int val;
volatile unsigned int rld;
volatile unsigned int ctrl;
volatile unsigned int unused;
} ambapp_dev_gptimer_element;
#define LEON3_GPTIMER_CTRL_EN 0x1 /* Timer enable */
#define LEON3_GPTIMER_CTRL_RS 0x2 /* Timer reStart */
#define LEON3_GPTIMER_CTRL_LD 0x4 /* Timer reLoad */
#define LEON3_GPTIMER_CTRL_IE 0x8 /* interrupt enable */
#define LEON3_GPTIMER_CTRL_IP 0x10 /* interrupt flag/pending */
#define LEON3_GPTIMER_CTRL_CH 0x20 /* Chain with previous timer */
typedef struct {
volatile unsigned int scalar;
volatile unsigned int scalar_reload;
volatile unsigned int config;
volatile unsigned int unused;
volatile ambapp_dev_gptimer_element e[8];
} ambapp_dev_gptimer;
typedef struct {
volatile unsigned int iodata;
volatile unsigned int ioout;
volatile unsigned int iodir;
volatile unsigned int irqmask;
volatile unsigned int irqpol;
volatile unsigned int irqedge;
} ambapp_dev_ioport;
typedef struct {
volatile unsigned int write;
volatile unsigned int dummy;
volatile unsigned int txcolor;
volatile unsigned int bgcolor;
} ambapp_dev_textvga;
typedef struct {
volatile unsigned int data;
volatile unsigned int status;
volatile unsigned int ctrl;
} ambapp_dev_apbps2;
typedef struct {
unsigned int mcfg1, mcfg2, mcfg3;
} ambapp_dev_mctrl;
typedef struct {
unsigned int sdcfg;
} ambapp_dev_sdctrl;
typedef struct {
unsigned int cfg1;
unsigned int cfg2;
unsigned int cfg3;
} ambapp_dev_ddr2spa;
typedef struct {
unsigned int ctrl;
unsigned int cfg;
} ambapp_dev_ddrspa;
#endif
#endif

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/* asi.h: Address Space Identifier values for the LEON2 sparc.
*
* Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _LEON2_ASI_H
#define _LEON2_ASI_H
#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */
#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */
#define ASI_IFLUSH 0x05 /* Flush I-Cache */
#define ASI_DFLUSH 0x06 /* Flush D-Cache */
#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */
#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */
#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */
#endif /* _LEON2_ASI_H */

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/* asi.h: Address Space Identifier values for the LEON3 sparc.
*
* Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _LEON3_ASI_H
#define _LEON3_ASI_H
#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */
#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */
#define ASI_IFLUSH 0x10 /* Flush I-Cache */
#define ASI_DFLUSH 0x11 /* Flush D-Cache */
#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */
#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */
#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */
#endif /* _LEON3_ASI_H */

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/* Address Space Identifier (ASI) values for sparc processors.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_ASI_H
#define _SPARC_ASI_H
/* ASI numbers are processor implementation specific */
#include <asm/arch/asi.h>
#endif /* _SPARC_ASI_H */

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/* Assembler macros for SPARC
*
* (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_ASMMACRO_H__
#define __SPARC_ASMMACRO_H__
#include <config.h>
/* All trap entry points _must_ begin with this macro or else you
* lose. It makes sure the kernel has a proper window so that
* c-code can be called.
*/
#define SAVE_ALL_HEAD \
sethi %hi(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \
jmpl %l4 + %lo(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l6;
#define SAVE_ALL \
SAVE_ALL_HEAD \
nop;
/* All traps low-level code here must end with this macro. */
#define RESTORE_ALL b ret_trap_entry; clr %l6;
#endif

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/* SPARC atomic operations
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _ASM_SPARC_ATOMIC_H_
#define _ASM_SPARC_ATOMIC_H_
#endif /* _ASM_SPARC_ATOMIC_H_ */

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/* Bit string operations on the SPARC
*
* (C) Copyright 2007, taken from asm-ppc/bitops.h
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_BITOPS_H
#define _SPARC_BITOPS_H
#endif /* _SPARC_BITOPS_H */

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/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_BYTEORDER_H
#define _SPARC_BYTEORDER_H
#include <asm/types.h>
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define __BYTEORDER_HAS_U64__
#endif
#include <linux/byteorder/big_endian.h>
#endif /* _SPARC_BYTEORDER_H */

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/*
* (C) Copyright 2008,
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_CACHE_H__
#define __SPARC_CACHE_H__
#include <linux/config.h>
#include <asm/processor.h>
#endif

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/* SPARC errno definitions, taken from asm-ppc/errno.h
*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __SPARC_ERRNO_H__
#define __SPARC_ERRNO_H__
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Arg list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK 58 /* File locking deadlock error */
#define EBFONT 59 /* Bad font file format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define EREMOTEIO 121 /* Remote I/O error */
#define EDQUOT 122 /* Quota exceeded */
#define ENOMEDIUM 123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */
/* Should never be seen by user programs */
#define ERESTARTSYS 512
#define ERESTARTNOINTR 513
#define ERESTARTNOHAND 514 /* restart if no handler.. */
#define ENOIOCTLCMD 515 /* No ioctl command */
#define _LAST_ERRNO 515
#endif

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/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H
#include "asm/types.h"
/*
* The following data structure is placed in some memory wich is
* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
* some locked parts of the data cache) to allow for a minimum set of
* global variables during system initialization (until we have set
* up the memory controller so that we can use RAM).
*
* Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
*/
typedef struct global_data {
bd_t *bd;
unsigned long flags;
unsigned long baudrate;
unsigned long cpu_clk; /* CPU clock in Hz! */
unsigned long bus_clk;
unsigned long ram_size; /* RAM size */
unsigned long reloc_off; /* Relocation Offset */
unsigned long reset_status; /* reset status register at boot */
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_valid; /* Checksum of Environment valid? */
unsigned long have_console; /* serial_init() was called */
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
unsigned long fb_base; /* Base address of framebuffer memory */
#endif
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
unsigned long post_log_word; /* Record POST activities */
unsigned long post_init_f_time; /* When post_init_f started */
#endif
#ifdef CONFIG_BOARD_TYPES
unsigned long board_type;
#endif
#ifdef CONFIG_MODEM_SUPPORT
unsigned long do_mdm_init;
unsigned long be_quiet;
#endif
#ifdef CONFIG_LWMON
unsigned long kbd_status;
#endif
void **jt; /* jump table */
} gd_t;
/*
* Global Data Flags
*/
#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
#define GD_FLG_SILENT 0x00004 /* Silent mode */
#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("%g7")
#endif /* __ASM_GBL_DATA_H */

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/* SPARC I/O definitions
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_IO_H
#define _SPARC_IO_H
/* Nothing to sync, total store ordering (TSO)... */
#define sync()
/* Forces a cache miss on read/load.
* On some architectures we need to bypass the cache when reading
* I/O registers so that we are not reading the same status word
* over and over again resulting in a hang (until an IRQ if lucky)
*
*/
#ifndef CFG_HAS_NO_CACHE
#define READ_BYTE(var) SPARC_NOCACHE_READ_BYTE((unsigned int)(var))
#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)(var))
#define READ_WORD(var) SPARC_NOCACHE_READ((unsigned int)(var))
#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)(var))
#else
#define READ_BYTE(var) (var)
#define READ_HWORD(var) (var)
#define READ_WORD(var) (var)
#define READ_DWORD(var) (var)
#endif
/*
* Generic virtual read/write.
*/
#define __arch_getb(a) (READ_BYTE(a))
#define __arch_getw(a) (READ_HWORD(a))
#define __arch_getl(a) (READ_WORD(a))
#define __arch_getq(a) (READ_DWORD(a))
#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v))
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
#define __raw_writeb(v,a) __arch_putb(v,a)
#define __raw_writew(v,a) __arch_putw(v,a)
#define __raw_writel(v,a) __arch_putl(v,a)
#define __raw_readb(a) __arch_getb(a)
#define __raw_readw(a) __arch_getw(a)
#define __raw_readl(a) __arch_getl(a)
#define __raw_readq(a) __arch_getq(a)
/*
* Given a physical address and a length, return a virtual address
* that can be used to access the memory range with the caching
* properties specified by "flags".
*/
typedef unsigned long phys_addr_t;
#define MAP_NOCACHE (0)
#define MAP_WRCOMBINE (0)
#define MAP_WRBACK (0)
#define MAP_WRTHROUGH (0)
static inline void *map_physmem(phys_addr_t paddr, unsigned long len,
unsigned long flags)
{
return (void *)paddr;
}
/*
* Take down a mapping set up by map_physmem().
*/
static inline void unmap_physmem(void *vaddr, unsigned long flags)
{
}
#endif

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/* IRQ functions
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_IRQ_H__
#define __SPARC_IRQ_H__
#include <asm/psr.h>
/* Set SPARC Processor Interrupt Level */
extern inline void set_pil(unsigned int level)
{
unsigned int psr = get_psr();
put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
}
/* Get SPARC Processor Interrupt Level */
extern inline unsigned int get_pil(void)
{
unsigned int psr = get_psr();
return (psr & PSR_PIL) >> PSR_PIL_OFS;
}
/* Disables interrupts and return current PIL value */
extern int intLock(void);
/* Sets the PIL to oldLevel */
extern void intUnlock(int oldLevel);
#endif

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/* LEON Header File select
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __ASM_LEON_H__
#define __ASM_LEON_H__
#if defined(CONFIG_LEON3)
#include <asm/leon3.h>
#elif defined(CONFIG_LEON2)
#include <asm/leon2.h>
#else
#error Unknown LEON processor
#endif
/* Common stuff */
#endif

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/* LEON2 header file. LEON2 is a SOC processor.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __LEON2_H__
#define __LEON2_H__
#ifdef CONFIG_LEON2
/* LEON 2 I/O register definitions */
#define LEON2_PREGS 0x80000000
#define LEON2_MCFG1 0x00
#define LEON2_MCFG2 0x04
#define LEON2_ECTRL 0x08
#define LEON2_FADDR 0x0C
#define LEON2_MSTAT 0x10
#define LEON2_CCTRL 0x14
#define LEON2_PWDOWN 0x18
#define LEON2_WPROT1 0x1C
#define LEON2_WPROT2 0x20
#define LEON2_LCONF 0x24
#define LEON2_TCNT0 0x40
#define LEON2_TRLD0 0x44
#define LEON2_TCTRL0 0x48
#define LEON2_TCNT1 0x50
#define LEON2_TRLD1 0x54
#define LEON2_TCTRL1 0x58
#define LEON2_SCNT 0x60
#define LEON2_SRLD 0x64
#define LEON2_UART0 0x70
#define LEON2_UDATA0 0x70
#define LEON2_USTAT0 0x74
#define LEON2_UCTRL0 0x78
#define LEON2_USCAL0 0x7C
#define LEON2_UART1 0x80
#define LEON2_UDATA1 0x80
#define LEON2_USTAT1 0x84
#define LEON2_UCTRL1 0x88
#define LEON2_USCAL1 0x8C
#define LEON2_IMASK 0x90
#define LEON2_IPEND 0x94
#define LEON2_IFORCE 0x98
#define LEON2_ICLEAR 0x9C
#define LEON2_IOREG 0xA0
#define LEON2_IODIR 0xA4
#define LEON2_IOICONF 0xA8
#define LEON2_IPEND2 0xB0
#define LEON2_IMASK2 0xB4
#define LEON2_ISTAT2 0xB8
#define LEON2_ICLEAR2 0xBC
#ifndef __ASSEMBLER__
/*
* Structure for LEON memory mapped registers.
*
* Source: Section 6.1 - On-chip registers
*
* NOTE: There is only one of these structures per CPU, its base address
* is 0x80000000, and the variable LEON_REG is placed there by the
* linkcmds file.
*/
typedef struct {
volatile unsigned int Memory_Config_1;
volatile unsigned int Memory_Config_2;
volatile unsigned int Edac_Control;
volatile unsigned int Failed_Address;
volatile unsigned int Memory_Status;
volatile unsigned int Cache_Control;
volatile unsigned int Power_Down;
volatile unsigned int Write_Protection_1;
volatile unsigned int Write_Protection_2;
volatile unsigned int Leon_Configuration;
volatile unsigned int dummy2;
volatile unsigned int dummy3;
volatile unsigned int dummy4;
volatile unsigned int dummy5;
volatile unsigned int dummy6;
volatile unsigned int dummy7;
volatile unsigned int Timer_Counter_1;
volatile unsigned int Timer_Reload_1;
volatile unsigned int Timer_Control_1;
volatile unsigned int Watchdog;
volatile unsigned int Timer_Counter_2;
volatile unsigned int Timer_Reload_2;
volatile unsigned int Timer_Control_2;
volatile unsigned int dummy8;
volatile unsigned int Scaler_Counter;
volatile unsigned int Scaler_Reload;
volatile unsigned int dummy9;
volatile unsigned int dummy10;
volatile unsigned int UART_Channel_1;
volatile unsigned int UART_Status_1;
volatile unsigned int UART_Control_1;
volatile unsigned int UART_Scaler_1;
volatile unsigned int UART_Channel_2;
volatile unsigned int UART_Status_2;
volatile unsigned int UART_Control_2;
volatile unsigned int UART_Scaler_2;
volatile unsigned int Interrupt_Mask;
volatile unsigned int Interrupt_Pending;
volatile unsigned int Interrupt_Force;
volatile unsigned int Interrupt_Clear;
volatile unsigned int PIO_Data;
volatile unsigned int PIO_Direction;
volatile unsigned int PIO_Interrupt;
} LEON2_regs;
typedef struct {
volatile unsigned int UART_Channel;
volatile unsigned int UART_Status;
volatile unsigned int UART_Control;
volatile unsigned int UART_Scaler;
} LEON2_Uart_regs;
#endif
/*
* The following constants are intended to be used ONLY in assembly
* language files.
*
* NOTE: The intended style of usage is to load the address of LEON REGS
* into a register and then use these as displacements from
* that register.
*/
#define LEON_REG_MEMCFG1_OFFSET 0x00
#define LEON_REG_MEMCFG2_OFFSET 0x04
#define LEON_REG_EDACCTRL_OFFSET 0x08
#define LEON_REG_FAILADDR_OFFSET 0x0C
#define LEON_REG_MEMSTATUS_OFFSET 0x10
#define LEON_REG_CACHECTRL_OFFSET 0x14
#define LEON_REG_POWERDOWN_OFFSET 0x18
#define LEON_REG_WRITEPROT1_OFFSET 0x1C
#define LEON_REG_WRITEPROT2_OFFSET 0x20
#define LEON_REG_LEONCONF_OFFSET 0x24
#define LEON_REG_UNIMPLEMENTED_2_OFFSET 0x28
#define LEON_REG_UNIMPLEMENTED_3_OFFSET 0x2C
#define LEON_REG_UNIMPLEMENTED_4_OFFSET 0x30
#define LEON_REG_UNIMPLEMENTED_5_OFFSET 0x34
#define LEON_REG_UNIMPLEMENTED_6_OFFSET 0x38
#define LEON_REG_UNIMPLEMENTED_7_OFFSET 0x3C
#define LEON_REG_TIMERCNT1_OFFSET 0x40
#define LEON_REG_TIMERLOAD1_OFFSET 0x44
#define LEON_REG_TIMERCTRL1_OFFSET 0x48
#define LEON_REG_WDOG_OFFSET 0x4C
#define LEON_REG_TIMERCNT2_OFFSET 0x50
#define LEON_REG_TIMERLOAD2_OFFSET 0x54
#define LEON_REG_TIMERCTRL2_OFFSET 0x58
#define LEON_REG_UNIMPLEMENTED_8_OFFSET 0x5C
#define LEON_REG_SCALERCNT_OFFSET 0x60
#define LEON_REG_SCALER_LOAD_OFFSET 0x64
#define LEON_REG_UNIMPLEMENTED_9_OFFSET 0x68
#define LEON_REG_UNIMPLEMENTED_10_OFFSET 0x6C
#define LEON_REG_UARTDATA1_OFFSET 0x70
#define LEON_REG_UARTSTATUS1_OFFSET 0x74
#define LEON_REG_UARTCTRL1_OFFSET 0x78
#define LEON_REG_UARTSCALER1_OFFSET 0x7C
#define LEON_REG_UARTDATA2_OFFSET 0x80
#define LEON_REG_UARTSTATUS2_OFFSET 0x84
#define LEON_REG_UARTCTRL2_OFFSET 0x88
#define LEON_REG_UARTSCALER2_OFFSET 0x8C
#define LEON_REG_IRQMASK_OFFSET 0x90
#define LEON_REG_IRQPEND_OFFSET 0x94
#define LEON_REG_IRQFORCE_OFFSET 0x98
#define LEON_REG_IRQCLEAR_OFFSET 0x9C
#define LEON_REG_PIODATA_OFFSET 0xA0
#define LEON_REG_PIODIR_OFFSET 0xA4
#define LEON_REG_PIOIRQ_OFFSET 0xA8
#define LEON_REG_SIM_RAM_SIZE_OFFSET 0xF4
#define LEON_REG_SIM_ROM_SIZE_OFFSET 0xF8
/*
* Interrupt Sources
*
* The interrupt source numbers directly map to the trap type and to
* the bits used in the Interrupt Clear, Interrupt Force, Interrupt Mask,
* and the Interrupt Pending Registers.
*/
#define LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR 1
#define LEON_INTERRUPT_UART_1_RX_TX 2
#define LEON_INTERRUPT_UART_0_RX_TX 3
#define LEON_INTERRUPT_EXTERNAL_0 4
#define LEON_INTERRUPT_EXTERNAL_1 5
#define LEON_INTERRUPT_EXTERNAL_2 6
#define LEON_INTERRUPT_EXTERNAL_3 7
#define LEON_INTERRUPT_TIMER1 8
#define LEON_INTERRUPT_TIMER2 9
#define LEON_INTERRUPT_EMPTY1 10
#define LEON_INTERRUPT_EMPTY2 11
#define LEON_INTERRUPT_OPEN_ETH 12
#define LEON_INTERRUPT_EMPTY4 13
#define LEON_INTERRUPT_EMPTY5 14
#define LEON_INTERRUPT_EMPTY6 15
/* Timer Bits */
#define LEON2_TIMER_CTRL_EN 0x1 /* Timer enable */
#define LEON2_TIMER_CTRL_RS 0x2 /* Timer reStart */
#define LEON2_TIMER_CTRL_LD 0x4 /* Timer reLoad */
#define LEON2_TIMER1_IRQNO 8 /* Timer 1 IRQ number */
#define LEON2_TIMER2_IRQNO 9 /* Timer 2 IRQ number */
#define LEON2_TIMER1_IE (1<<LEON2_TIMER1_IRQNO) /* Timer 1 interrupt enable */
#define LEON2_TIMER2_IE (1<<LEON2_TIMER2_IRQNO) /* Timer 2 interrupt enable */
/* UART bits */
#define LEON2_UART_CTRL_RE 1 /* UART Receiver enable */
#define LEON2_UART_CTRL_TE 2 /* UART Transmitter enable */
#define LEON2_UART_CTRL_RI 4 /* UART Receiver Interrupt enable */
#define LEON2_UART_CTRL_TI 8 /* UART Transmitter Interrupt enable */
#define LEON2_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */
#define LEON2_UART_STAT_DR 1 /* UART Data Ready */
#define LEON2_UART_STAT_TSE 2 /* UART Transmit Shift Reg empty */
#define LEON2_UART_STAT_THE 4 /* UART Transmit Hold Reg empty */
#else
#error Include LEON2 header file only if LEON2 processor
#endif
#endif

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/* LEON3 header file. LEON3 is a free GPL SOC processor available
* at www.gaisler.com.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __LEON3_H__
#define __LEON3_H__
#ifndef CONFIG_LEON3
#error Include LEON3 header file only if LEON3 processor
#endif
/* Not much to define, most is Plug and Play and GRLIB dependent
* not LEON3 dependent. See <ambapp.h> for GRLIB timers, interrupt
* ctrl, memory controllers etc.
*/
#endif

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/* machines.h: Defines for taking apart the machine type value in the
* idprom and determining the kind of machine we are on.
*
* Taken from the SPARC port of Linux.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_MACHINES_H__
#define __SPARC_MACHINES_H__
struct Sun_Machine_Models {
char *name;
unsigned char id_machtype;
};
/* Current number of machines we know about that has an IDPROM
* machtype entry including one entry for the 0x80 OBP machines.
*/
#define NUM_SUN_MACHINES 16
extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES];
/* The machine type in the idprom area looks like this:
*
* ---------------
* | ARCH | MACH |
* ---------------
* 7 4 3 0
*
* The ARCH field determines the architecture line (sun4, sun4c, etc).
* The MACH field determines the machine make within that architecture.
*/
#define SM_ARCH_MASK 0xf0
#define SM_SUN4 0x20
#define M_LEON2 0x30
#define SM_SUN4C 0x50
#define SM_SUN4M 0x70
#define SM_SUN4M_OBP 0x80
#define SM_TYP_MASK 0x0f
/* Sun4 machines */
#define SM_4_260 0x01 /* Sun 4/200 series */
#define SM_4_110 0x02 /* Sun 4/100 series */
#define SM_4_330 0x03 /* Sun 4/300 series */
#define SM_4_470 0x04 /* Sun 4/400 series */
/* Leon machines */
#define M_LEON2_SOC 0x01 /* Leon2 SoC */
/* Sun4c machines Full Name - PROM NAME */
#define SM_4C_SS1 0x01 /* Sun4c SparcStation 1 - Sun 4/60 */
#define SM_4C_IPC 0x02 /* Sun4c SparcStation IPC - Sun 4/40 */
#define SM_4C_SS1PLUS 0x03 /* Sun4c SparcStation 1+ - Sun 4/65 */
#define SM_4C_SLC 0x04 /* Sun4c SparcStation SLC - Sun 4/20 */
#define SM_4C_SS2 0x05 /* Sun4c SparcStation 2 - Sun 4/75 */
#define SM_4C_ELC 0x06 /* Sun4c SparcStation ELC - Sun 4/25 */
#define SM_4C_IPX 0x07 /* Sun4c SparcStation IPX - Sun 4/50 */
/* Sun4m machines, these predate the OpenBoot. These values only mean
* something if the value in the ARCH field is SM_SUN4M, if it is
* SM_SUN4M_OBP then you have the following situation:
* 1) You either have a sun4d, a sun4e, or a recently made sun4m.
* 2) You have to consult OpenBoot to determine which machine this is.
*/
#define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */
#define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */
#define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */
/* Sun4d machines -- N/A */
/* Sun4e machines -- N/A */
/* Sun4u machines -- N/A */
#endif /* !(_SPARC_MACHINES_H) */

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/* page.h: Various defines and such for MMU operations on the Sparc for
* the Linux kernel.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_PAGE_H
#define _SPARC_PAGE_H
#include <linux/config.h>
#ifdef CONFIG_SUN4
#define PAGE_SHIFT 13
#else
#define PAGE_SHIFT 12
#endif
#ifndef __ASSEMBLY__
/* I have my suspicions... -DaveM */
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#else
#define PAGE_SIZE (1 << PAGE_SHIFT)
#endif
#define PAGE_MASK (~(PAGE_SIZE-1))
#endif /* _SPARC_PAGE_H */

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/*
* (C) Copyright 2000 - 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007, taken from asm-ppc/posix_types.h
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_POSIX_TYPES_H__
#define __SPARC_POSIX_TYPES_H__
/*
* This file is generally used by user-level software, so you need to
* be a little careful about namespace pollution etc. Also, we cannot
* assume GCC is being used.
*/
typedef unsigned int __kernel_dev_t;
typedef unsigned int __kernel_ino_t;
typedef unsigned int __kernel_mode_t;
typedef unsigned short __kernel_nlink_t;
typedef long __kernel_off_t;
typedef int __kernel_pid_t;
typedef unsigned int __kernel_uid_t;
typedef unsigned int __kernel_gid_t;
typedef unsigned int __kernel_size_t;
typedef int __kernel_ssize_t;
typedef long __kernel_ptrdiff_t;
typedef long __kernel_time_t;
typedef long __kernel_suseconds_t;
typedef long __kernel_clock_t;
typedef int __kernel_daddr_t;
typedef char *__kernel_caddr_t;
typedef short __kernel_ipc_pid_t;
typedef unsigned short __kernel_uid16_t;
typedef unsigned short __kernel_gid16_t;
typedef unsigned int __kernel_uid32_t;
typedef unsigned int __kernel_gid32_t;
typedef unsigned int __kernel_old_uid_t;
typedef unsigned int __kernel_old_gid_t;
#ifdef __GNUC__
typedef long long __kernel_loff_t;
#endif
typedef struct {
int val[2];
} __kernel_fsid_t;
#ifndef __GNUC__
#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
#define __FD_ZERO(set) \
((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
#else /* __GNUC__ */
#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
/* With GNU C, use inline functions instead so args are evaluated only once: */
#undef __FD_SET
static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp)
{
unsigned long _tmp = fd / __NFDBITS;
unsigned long _rem = fd % __NFDBITS;
fdsetp->fds_bits[_tmp] |= (1UL << _rem);
}
#undef __FD_CLR
static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp)
{
unsigned long _tmp = fd / __NFDBITS;
unsigned long _rem = fd % __NFDBITS;
fdsetp->fds_bits[_tmp] &= ~(1UL << _rem);
}
#undef __FD_ISSET
static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p)
{
unsigned long _tmp = fd / __NFDBITS;
unsigned long _rem = fd % __NFDBITS;
return (p->fds_bits[_tmp] & (1UL << _rem)) != 0;
}
/*
* This will unroll the loop for the normal constant case (8 ints,
* for a 256-bit fd_set)
*/
#undef __FD_ZERO
static __inline__ void __FD_ZERO(__kernel_fd_set * p)
{
unsigned int *tmp = (unsigned int *)p->fds_bits;
int i;
if (__builtin_constant_p(__FDSET_LONGS)) {
switch (__FDSET_LONGS) {
case 8:
tmp[0] = 0;
tmp[1] = 0;
tmp[2] = 0;
tmp[3] = 0;
tmp[4] = 0;
tmp[5] = 0;
tmp[6] = 0;
tmp[7] = 0;
return;
}
}
i = __FDSET_LONGS;
while (i) {
i--;
*tmp = 0;
tmp++;
}
}
#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
#endif /* __GNUC__ */
#endif /* _SPARC_POSIX_TYPES_H */

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/* SPARC Processor specifics
* taken from the SPARC port of Linux (ptrace.h).
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __ASM_SPARC_PROCESSOR_H
#define __ASM_SPARC_PROCESSOR_H
#include <asm/arch/asi.h>
#ifdef CONFIG_LEON
/* All LEON processors supported */
#include <asm/leon.h>
#else
/* other processors */
#error Unknown SPARC Processor
#endif
#ifndef __ASSEMBLY__
/* flush data cache */
static __inline__ void sparc_dcache_flush_all(void)
{
__asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory");
}
/* flush instruction cache */
static __inline__ void sparc_icache_flush_all(void)
{
__asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory");
}
/* do a cache miss load */
static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned
long paddr)
{
unsigned long long retval;
__asm__ __volatile__("ldda [%1] %2, %0\n\t":
"=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
return retval;
}
static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr)
{
unsigned long retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
return retval;
}
static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long
paddr)
{
unsigned short retval;
__asm__ __volatile__("lduha [%1] %2, %0\n\t":
"=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
return retval;
}
static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long
paddr)
{
unsigned char retval;
__asm__ __volatile__("lduba [%1] %2, %0\n\t":
"=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
return retval;
}
/* do a physical address bypass write, i.e. for 0x80000000 */
static __inline__ void sparc_store_reg_bypass(unsigned long paddr,
unsigned long value)
{
__asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr),
"i"(ASI_BYPASS):"memory");
}
static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr)
{
unsigned long retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):"r"(paddr), "i"(ASI_BYPASS));
return retval;
}
/* Macros for bypassing cache when reading */
#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address))
#define SPARC_NOCACHE_READ(address) sparc_load_reg_cachemiss((unsigned int)(address))
#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address))
#define SPARC_NOCACHE_READ_BYTE(address) sparc_load_reg_cachemiss_byte((unsigned int)(address))
#define SPARC_BYPASS_READ(address) sparc_load_reg_bypass((unsigned int)(address))
#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value))
#endif
#endif /* __ASM_SPARC_PROCESSOR_H */

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/* OpenProm defines mainly taken from linux kernel header files
*
* openprom.h: Prom structures and defines for access to the OPENBOOT
* prom routines and data areas.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_OPENPROM_H__
#define __SPARC_OPENPROM_H__
/* Empirical constants... */
#define LINUX_OPPROM_MAGIC 0x10010407
#ifndef __ASSEMBLY__
/* V0 prom device operations. */
struct linux_dev_v0_funcs {
int (*v0_devopen) (char *device_str);
int (*v0_devclose) (int dev_desc);
int (*v0_rdblkdev) (int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrblkdev) (int dev_desc, int num_blks, int blk_st, char *buf);
int (*v0_wrnetdev) (int dev_desc, int num_bytes, char *buf);
int (*v0_rdnetdev) (int dev_desc, int num_bytes, char *buf);
int (*v0_rdchardev) (int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_wrchardev) (int dev_desc, int num_bytes, int dummy, char *buf);
int (*v0_seekdev) (int dev_desc, long logical_offst, int from);
};
/* V2 and later prom device operations. */
struct linux_dev_v2_funcs {
int (*v2_inst2pkg) (int d); /* Convert ihandle to phandle */
char *(*v2_dumb_mem_alloc) (char *va, unsigned sz);
void (*v2_dumb_mem_free) (char *va, unsigned sz);
/* To map devices into virtual I/O space. */
char *(*v2_dumb_mmap) (char *virta, int which_io, unsigned paddr,
unsigned sz);
void (*v2_dumb_munmap) (char *virta, unsigned size);
int (*v2_dev_open) (char *devpath);
void (*v2_dev_close) (int d);
int (*v2_dev_read) (int d, char *buf, int nbytes);
int (*v2_dev_write) (int d, char *buf, int nbytes);
int (*v2_dev_seek) (int d, int hi, int lo);
/* Never issued (multistage load support) */
void (*v2_wheee2) (void);
void (*v2_wheee3) (void);
};
struct linux_mlist_v0 {
struct linux_mlist_v0 *theres_more;
char *start_adr;
unsigned num_bytes;
};
struct linux_mem_v0 {
struct linux_mlist_v0 **v0_totphys;
struct linux_mlist_v0 **v0_prommap;
struct linux_mlist_v0 **v0_available; /* What we can use */
};
/* Arguments sent to the kernel from the boot prompt. */
struct linux_arguments_v0 {
char *argv[8];
char args[100];
char boot_dev[2];
int boot_dev_ctrl;
int boot_dev_unit;
int dev_partition;
char *kernel_file_name;
void *aieee1; /* XXX */
};
/* V2 and up boot things. */
struct linux_bootargs_v2 {
char **bootpath;
char **bootargs;
int *fd_stdin;
int *fd_stdout;
};
/* The top level PROM vector. */
struct linux_romvec {
/* Version numbers. */
unsigned int pv_magic_cookie;
unsigned int pv_romvers;
unsigned int pv_plugin_revision;
unsigned int pv_printrev;
/* Version 0 memory descriptors. */
struct linux_mem_v0 pv_v0mem;
/* Node operations. */
struct linux_nodeops *pv_nodeops;
char **pv_bootstr;
struct linux_dev_v0_funcs pv_v0devops;
char *pv_stdin;
char *pv_stdout;
#define PROMDEV_KBD 0 /* input from keyboard */
#define PROMDEV_SCREEN 0 /* output to screen */
#define PROMDEV_TTYA 1 /* in/out to ttya */
#define PROMDEV_TTYB 2 /* in/out to ttyb */
/* Blocking getchar/putchar. NOT REENTRANT! (grr) */
int (*pv_getchar) (void);
void (*pv_putchar) (int ch);
/* Non-blocking variants. */
int (*pv_nbgetchar) (void);
int (*pv_nbputchar) (int ch);
void (*pv_putstr) (char *str, int len);
/* Miscellany. */
void (*pv_reboot) (char *bootstr);
void (*pv_printf) (__const__ char *fmt, ...);
void (*pv_abort) (void);
__volatile__ int *pv_ticks;
void (*pv_halt) (void);
void (**pv_synchook) (void);
/* Evaluate a forth string, not different proto for V0 and V2->up. */
union {
void (*v0_eval) (int len, char *str);
void (*v2_eval) (char *str);
} pv_fortheval;
struct linux_arguments_v0 **pv_v0bootargs;
/* Get ether address. */
unsigned int (*pv_enaddr) (int d, char *enaddr);
struct linux_bootargs_v2 pv_v2bootargs;
struct linux_dev_v2_funcs pv_v2devops;
int filler[15];
/* This one is sun4c/sun4 only. */
void (*pv_setctxt) (int ctxt, char *va, int pmeg);
/* Prom version 3 Multiprocessor routines. This stuff is crazy.
* No joke. Calling these when there is only one cpu probably
* crashes the machine, have to test this. :-)
*/
/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
* 'thiscontext' executing at address 'prog_counter'
*/
int (*v3_cpustart) (unsigned int whichcpu, int ctxtbl_ptr,
int thiscontext, char *prog_counter);
/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
* until a resume cpu call is made.
*/
int (*v3_cpustop) (unsigned int whichcpu);
/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
* resume cpu call is made.
*/
int (*v3_cpuidle) (unsigned int whichcpu);
/* v3_cpuresume() will resume processor 'whichcpu' executing
* starting with whatever 'pc' and 'npc' were left at the
* last 'idle' or 'stop' call.
*/
int (*v3_cpuresume) (unsigned int whichcpu);
};
/* Routines for traversing the prom device tree. */
struct linux_nodeops {
int (*no_nextnode) (int node);
int (*no_child) (int node);
int (*no_proplen) (int node, char *name);
int (*no_getprop) (int node, char *name, char *val);
int (*no_setprop) (int node, char *name, char *val, int len);
char *(*no_nextprop) (int node, char *name);
};
/* More fun PROM structures for device probing. */
#define PROMREG_MAX 16
#define PROMVADDR_MAX 16
#define PROMINTR_MAX 15
struct linux_prom_registers {
unsigned int which_io; /* is this in OBIO space? */
unsigned int phys_addr; /* The physical address of this register */
unsigned int reg_size; /* How many bytes does this register take up? */
};
struct linux_prom_irqs {
int pri; /* IRQ priority */
int vector; /* This is foobar, what does it do? */
};
/* Element of the "ranges" vector */
struct linux_prom_ranges {
unsigned int ot_child_space;
unsigned int ot_child_base; /* Bus feels this */
unsigned int ot_parent_space;
unsigned int ot_parent_base; /* CPU looks from here */
unsigned int or_size;
};
/* Ranges and reg properties are a bit different for PCI. */
struct linux_prom_pci_registers {
/*
* We don't know what information this field contain.
* We guess, PCI device function is in bits 15:8
* So, ...
*/
unsigned int which_io; /* Let it be which_io */
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_ranges {
unsigned int child_phys_hi; /* Only certain bits are encoded here. */
unsigned int child_phys_mid;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_pci_assigned_addresses {
unsigned int which_io;
unsigned int phys_hi;
unsigned int phys_lo;
unsigned int size_hi;
unsigned int size_lo;
};
struct linux_prom_ebus_ranges {
unsigned int child_phys_hi;
unsigned int child_phys_lo;
unsigned int parent_phys_hi;
unsigned int parent_phys_mid;
unsigned int parent_phys_lo;
unsigned int size;
};
/* Offset into the EEPROM where the id PROM is located on the 4c */
#define IDPROM_OFFSET 0x7d8
/* On sun4m; physical. */
/* MicroSPARC(-II) does not decode 31rd bit, but it works. */
#define IDPROM_OFFSET_M 0xfd8
struct idprom {
unsigned char id_format; /* Format identifier (always 0x01) */
unsigned char id_machtype; /* Machine type */
unsigned char id_ethaddr[6]; /* Hardware ethernet address */
long id_date; /* Date of manufacture */
unsigned int id_sernum:24; /* Unique serial number */
unsigned char id_cksum; /* Checksum - xor of the data bytes */
unsigned char reserved[16];
};
extern struct idprom *idprom;
extern void idprom_init(void);
#define IDPROM_SIZE (sizeof(struct idprom))
#endif /* !(__ASSEMBLY__) */
#endif

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/* psr.h: This file holds the macros for masking off various parts of
* the processor status register on the Sparc. This is valid
* for Version 8. On the V9 this is renamed to the PSTATE
* register and its members are accessed as fields like
* PSTATE.PRIV for the current CPU privilege level.
*
* taken from the SPARC port of Linux,
*
* Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_PSR_H__
#define __SPARC_PSR_H__
/* The Sparc PSR fields are laid out as the following:
*
* ------------------------------------------------------------------------
* | impl | vers | icc | resv | EC | EF | PIL | S | PS | ET | CWP |
* | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6 | 5 | 4-0 |
* ------------------------------------------------------------------------
*/
#define PSR_CWP 0x0000001f /* current window pointer */
#define PSR_ET 0x00000020 /* enable traps field */
#define PSR_PS 0x00000040 /* previous privilege level */
#define PSR_S 0x00000080 /* current privilege level */
#define PSR_PIL 0x00000f00 /* processor interrupt level */
#define PSR_EF 0x00001000 /* enable floating point */
#define PSR_EC 0x00002000 /* enable co-processor */
#define PSR_LE 0x00008000 /* SuperSparcII little-endian */
#define PSR_ICC 0x00f00000 /* integer condition codes */
#define PSR_C 0x00100000 /* carry bit */
#define PSR_V 0x00200000 /* overflow bit */
#define PSR_Z 0x00400000 /* zero bit */
#define PSR_N 0x00800000 /* negative bit */
#define PSR_VERS 0x0f000000 /* cpu-version field */
#define PSR_IMPL 0xf0000000 /* cpu-implementation field */
#define PSR_PIL_OFS 8
#ifndef __ASSEMBLY__
/* Get the %psr register. */
extern __inline__ unsigned int get_psr(void)
{
unsigned int psr;
__asm__ __volatile__("rd %%psr, %0\n\t"
"nop\n\t" "nop\n\t" "nop\n\t":"=r"(psr)
: /* no inputs */
:"memory");
return psr;
}
extern __inline__ void put_psr(unsigned int new_psr)
{
__asm__ __volatile__("wr %0, 0x0, %%psr\n\t" "nop\n\t" "nop\n\t" "nop\n\t": /* no outputs */
:"r"(new_psr)
:"memory", "cc");
}
/* Get the %fsr register. Be careful, make sure the floating point
* enable bit is set in the %psr when you execute this or you will
* incur a trap.
*/
extern unsigned int fsr_storage;
extern __inline__ unsigned int get_fsr(void)
{
unsigned int fsr = 0;
__asm__ __volatile__("st %%fsr, %1\n\t"
"ld %1, %0\n\t":"=r"(fsr)
:"m"(fsr_storage));
return fsr;
}
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_PSR_H__) */

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/* Contain the Stack frame layout on interrupt. pt_regs.
* taken from the SPARC port of Linux (ptrace.h).
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_PTRACE_H__
#define __SPARC_PTRACE_H__
#include <asm/psr.h>
/* This struct defines the way the registers are stored on the
* stack during a system call and basically all traps.
*/
#ifndef __ASSEMBLY__
struct pt_regs {
unsigned long psr;
unsigned long pc;
unsigned long npc;
unsigned long y;
unsigned long u_regs[16]; /* globals and ins */
};
#define UREG_G0 0
#define UREG_G1 1
#define UREG_G2 2
#define UREG_G3 3
#define UREG_G4 4
#define UREG_G5 5
#define UREG_G6 6
#define UREG_G7 7
#define UREG_I0 8
#define UREG_I1 9
#define UREG_I2 10
#define UREG_I3 11
#define UREG_I4 12
#define UREG_I5 13
#define UREG_I6 14
#define UREG_I7 15
#define UREG_WIM UREG_G0
#define UREG_FADDR UREG_G0
#define UREG_FP UREG_I6
#define UREG_RETPC UREG_I7
/* A register window */
struct reg_window {
unsigned long locals[8];
unsigned long ins[8];
};
/* A Sparc stack frame */
struct sparc_stackf {
unsigned long locals[8];
unsigned long ins[6];
struct sparc_stackf *fp;
unsigned long callers_pc;
char *structptr;
unsigned long xargs[6];
unsigned long xxargs[1];
};
#define TRACEREG_SZ sizeof(struct pt_regs)
#define STACKFRAME_SZ sizeof(struct sparc_stackf)
#else /* __ASSEMBLY__ */
/* For assembly code. */
#define TRACEREG_SZ 0x50
#define STACKFRAME_SZ 0x60
#endif
/*
* The asm_offsets.h is a generated file, so we cannot include it.
* It may be OK for glibc headers, but it's utterly pointless for C code.
* The assembly code using those offsets has to include it explicitly.
*/
/* #include <asm/asm_offsets.h> */
/* These are for pt_regs. */
#define PT_PSR 0x0
#define PT_PC 0x4
#define PT_NPC 0x8
#define PT_Y 0xc
#define PT_G0 0x10
#define PT_WIM PT_G0
#define PT_G1 0x14
#define PT_G2 0x18
#define PT_G3 0x1c
#define PT_G4 0x20
#define PT_G5 0x24
#define PT_G6 0x28
#define PT_G7 0x2c
#define PT_I0 0x30
#define PT_I1 0x34
#define PT_I2 0x38
#define PT_I3 0x3c
#define PT_I4 0x40
#define PT_I5 0x44
#define PT_I6 0x48
#define PT_FP PT_I6
#define PT_I7 0x4c
/* Reg_window offsets */
#define RW_L0 0x00
#define RW_L1 0x04
#define RW_L2 0x08
#define RW_L3 0x0c
#define RW_L4 0x10
#define RW_L5 0x14
#define RW_L6 0x18
#define RW_L7 0x1c
#define RW_I0 0x20
#define RW_I1 0x24
#define RW_I2 0x28
#define RW_I3 0x2c
#define RW_I4 0x30
#define RW_I5 0x34
#define RW_I6 0x38
#define RW_I7 0x3c
/* Stack_frame offsets */
#define SF_L0 0x00
#define SF_L1 0x04
#define SF_L2 0x08
#define SF_L3 0x0c
#define SF_L4 0x10
#define SF_L5 0x14
#define SF_L6 0x18
#define SF_L7 0x1c
#define SF_I0 0x20
#define SF_I1 0x24
#define SF_I2 0x28
#define SF_I3 0x2c
#define SF_I4 0x30
#define SF_I5 0x34
#define SF_FP 0x38
#define SF_PC 0x3c
#define SF_RETP 0x40
#define SF_XARG0 0x44
#define SF_XARG1 0x48
#define SF_XARG2 0x4c
#define SF_XARG3 0x50
#define SF_XARG4 0x54
#define SF_XARG5 0x58
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_SUNATTACH 10
#define PTRACE_SUNDETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
#define PTRACE_READDATA 16
#define PTRACE_WRITEDATA 17
#define PTRACE_READTEXT 18
#define PTRACE_WRITETEXT 19
#define PTRACE_GETFPAREGS 20
#define PTRACE_SETFPAREGS 21
#define PTRACE_GETUCODE 29 /* stupid bsd-ism */
#endif /* !(_SPARC_PTRACE_H) */

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/* SRMMU page table defines and code,
* taken from the SPARC port of Linux
*
* Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_SRMMU_H__
#define __SPARC_SRMMU_H__
#include <asm/asi.h>
#include <asm/page.h>
/* Number of contexts is implementation-dependent; 64k is the most we support */
#define SRMMU_MAX_CONTEXTS 65536
/* PMD_SHIFT determines the size of the area a second-level page table entry can map */
#define SRMMU_REAL_PMD_SHIFT 18
#define SRMMU_REAL_PMD_SIZE (1UL << SRMMU_REAL_PMD_SHIFT)
#define SRMMU_REAL_PMD_MASK (~(SRMMU_REAL_PMD_SIZE-1))
#define SRMMU_REAL_PMD_ALIGN(__addr) (((__addr)+SRMMU_REAL_PMD_SIZE-1)&SRMMU_REAL_PMD_MASK)
/* PGDIR_SHIFT determines what a third-level page table entry can map */
#define SRMMU_PGDIR_SHIFT 24
#define SRMMU_PGDIR_SIZE (1UL << SRMMU_PGDIR_SHIFT)
#define SRMMU_PGDIR_MASK (~(SRMMU_PGDIR_SIZE-1))
#define SRMMU_PGDIR_ALIGN(addr) (((addr)+SRMMU_PGDIR_SIZE-1)&SRMMU_PGDIR_MASK)
#define SRMMU_REAL_PTRS_PER_PTE 64
#define SRMMU_REAL_PTRS_PER_PMD 64
#define SRMMU_PTRS_PER_PGD 256
#define SRMMU_REAL_PTE_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PTE*4)
#define SRMMU_PMD_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PMD*4)
#define SRMMU_PGD_TABLE_SIZE (SRMMU_PTRS_PER_PGD*4)
/*
* To support pagetables in highmem, Linux introduces APIs which
* return struct page* and generally manipulate page tables when
* they are not mapped into kernel space. Our hardware page tables
* are smaller than pages. We lump hardware tabes into big, page sized
* software tables.
*
* PMD_SHIFT determines the size of the area a second-level page table entry
* can map, and our pmd_t is 16 times larger than normal. The values which
* were once defined here are now generic for 4c and srmmu, so they're
* found in pgtable.h.
*/
#define SRMMU_PTRS_PER_PMD 4
/* Definition of the values in the ET field of PTD's and PTE's */
#define SRMMU_ET_MASK 0x3
#define SRMMU_ET_INVALID 0x0
#define SRMMU_ET_PTD 0x1
#define SRMMU_ET_PTE 0x2
#define SRMMU_ET_REPTE 0x3 /* AIEEE, SuperSparc II reverse endian page! */
/* Physical page extraction from PTP's and PTE's. */
#define SRMMU_CTX_PMASK 0xfffffff0
#define SRMMU_PTD_PMASK 0xfffffff0
#define SRMMU_PTE_PMASK 0xffffff00
/* The pte non-page bits. Some notes:
* 1) cache, dirty, valid, and ref are frobbable
* for both supervisor and user pages.
* 2) exec and write will only give the desired effect
* on user pages
* 3) use priv and priv_readonly for changing the
* characteristics of supervisor ptes
*/
#define SRMMU_CACHE 0x80
#define SRMMU_DIRTY 0x40
#define SRMMU_REF 0x20
#define SRMMU_NOREAD 0x10
#define SRMMU_EXEC 0x08
#define SRMMU_WRITE 0x04
#define SRMMU_VALID 0x02 /* SRMMU_ET_PTE */
#define SRMMU_PRIV 0x1c
#define SRMMU_PRIV_RDONLY 0x18
#define SRMMU_FILE 0x40 /* Implemented in software */
#define SRMMU_PTE_FILE_SHIFT 8 /* == 32-PTE_FILE_MAX_BITS */
#define SRMMU_CHG_MASK (0xffffff00 | SRMMU_REF | SRMMU_DIRTY)
/* SRMMU swap entry encoding
*
* We use 5 bits for the type and 19 for the offset. This gives us
* 32 swapfiles of 4GB each. Encoding looks like:
*
* oooooooooooooooooootttttRRRRRRRR
* fedcba9876543210fedcba9876543210
*
* The bottom 8 bits are reserved for protection and status bits, especially
* FILE and PRESENT.
*/
#define SRMMU_SWP_TYPE_MASK 0x1f
#define SRMMU_SWP_TYPE_SHIFT SRMMU_PTE_FILE_SHIFT
#define SRMMU_SWP_OFF_MASK 0x7ffff
#define SRMMU_SWP_OFF_SHIFT (SRMMU_PTE_FILE_SHIFT + 5)
/* Some day I will implement true fine grained access bits for
* user pages because the SRMMU gives us the capabilities to
* enforce all the protection levels that vma's can have.
* XXX But for now...
*/
#define SRMMU_PAGE_NONE __pgprot(SRMMU_CACHE | \
SRMMU_PRIV | SRMMU_REF)
#define SRMMU_PAGE_SHARED __pgprot(SRMMU_VALID | SRMMU_CACHE | \
SRMMU_EXEC | SRMMU_WRITE | SRMMU_REF)
#define SRMMU_PAGE_COPY __pgprot(SRMMU_VALID | SRMMU_CACHE | \
SRMMU_EXEC | SRMMU_REF)
#define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \
SRMMU_EXEC | SRMMU_REF)
#define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \
SRMMU_DIRTY | SRMMU_REF)
/* SRMMU Register addresses in ASI 0x4. These are valid for all
* current SRMMU implementations that exist.
*/
#define SRMMU_CTRL_REG 0x00000000
#define SRMMU_CTXTBL_PTR 0x00000100
#define SRMMU_CTX_REG 0x00000200
#define SRMMU_FAULT_STATUS 0x00000300
#define SRMMU_FAULT_ADDR 0x00000400
#define WINDOW_FLUSH(tmp1, tmp2) \
mov 0, tmp1; \
98: ld [%g6 + TI_UWINMASK], tmp2; \
orcc %g0, tmp2, %g0; \
add tmp1, 1, tmp1; \
bne 98b; \
save %sp, -64, %sp; \
99: subcc tmp1, 1, tmp1; \
bne 99b; \
restore %g0, %g0, %g0;
#ifndef __ASSEMBLY__
/* This makes sense. Honest it does - Anton */
/* XXX Yes but it's ugly as sin. FIXME. -KMW */
extern void *srmmu_nocache_pool;
#define __nocache_pa(VADDR) (((unsigned long)VADDR) - SRMMU_NOCACHE_VADDR + __pa((unsigned long)srmmu_nocache_pool))
#define __nocache_va(PADDR) (__va((unsigned long)PADDR) - (unsigned long)srmmu_nocache_pool + SRMMU_NOCACHE_VADDR)
#define __nocache_fix(VADDR) __va(__nocache_pa(VADDR))
/* Accessing the MMU control register. */
extern __inline__ unsigned int srmmu_get_mmureg(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%%g0] %1, %0\n\t":
"=r"(retval):"i"(ASI_M_MMUREGS));
return retval;
}
extern __inline__ void srmmu_set_mmureg(unsigned long regval)
{
__asm__ __volatile__("sta %0, [%%g0] %1\n\t"::"r"(regval),
"i"(ASI_M_MMUREGS):"memory");
}
extern __inline__ void srmmu_set_ctable_ptr(unsigned long paddr)
{
paddr = ((paddr >> 4) & SRMMU_CTX_PMASK);
__asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(paddr),
"r"(SRMMU_CTXTBL_PTR),
"i"(ASI_M_MMUREGS):"memory");
}
extern __inline__ unsigned long srmmu_get_ctable_ptr(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):
"r"(SRMMU_CTXTBL_PTR), "i"(ASI_M_MMUREGS));
return (retval & SRMMU_CTX_PMASK) << 4;
}
extern __inline__ void srmmu_set_context(int context)
{
__asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(context),
"r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS):"memory");
}
extern __inline__ int srmmu_get_context(void)
{
register int retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):
"r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS));
return retval;
}
extern __inline__ unsigned int srmmu_get_fstatus(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):
"r"(SRMMU_FAULT_STATUS), "i"(ASI_M_MMUREGS));
return retval;
}
extern __inline__ unsigned int srmmu_get_faddr(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):
"r"(SRMMU_FAULT_ADDR), "i"(ASI_M_MMUREGS));
return retval;
}
/* This is guaranteed on all SRMMU's. */
extern __inline__ void srmmu_flush_whole_tlb(void)
{
__asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x400), /* Flush entire TLB!! */
"i"(ASI_M_FLUSH_PROBE):"memory");
}
/* These flush types are not available on all chips... */
extern __inline__ void srmmu_flush_tlb_ctx(void)
{
__asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x300), /* Flush TLB ctx.. */
"i"(ASI_M_FLUSH_PROBE):"memory");
}
extern __inline__ void srmmu_flush_tlb_region(unsigned long addr)
{
addr &= SRMMU_PGDIR_MASK;
__asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x200), /* Flush TLB region.. */
"i"(ASI_M_FLUSH_PROBE):"memory");
}
extern __inline__ void srmmu_flush_tlb_segment(unsigned long addr)
{
addr &= SRMMU_REAL_PMD_MASK;
__asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x100), /* Flush TLB segment.. */
"i"(ASI_M_FLUSH_PROBE):"memory");
}
extern __inline__ void srmmu_flush_tlb_page(unsigned long page)
{
page &= PAGE_MASK;
__asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(page), /* Flush TLB page.. */
"i"(ASI_M_FLUSH_PROBE):"memory");
}
extern __inline__ unsigned long srmmu_hwprobe(unsigned long vaddr)
{
unsigned long retval;
vaddr &= PAGE_MASK;
__asm__ __volatile__("lda [%1] %2, %0\n\t":
"=r"(retval):
"r"(vaddr | 0x400), "i"(ASI_M_FLUSH_PROBE));
return retval;
}
extern __inline__ int srmmu_get_pte(unsigned long addr)
{
register unsigned long entry;
__asm__ __volatile__("\n\tlda [%1] %2,%0\n\t":
"=r"(entry):
"r"((addr & 0xfffff000) | 0x400),
"i"(ASI_M_FLUSH_PROBE));
return entry;
}
extern unsigned long (*srmmu_read_physical) (unsigned long paddr);
extern void (*srmmu_write_physical) (unsigned long paddr, unsigned long word);
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_SRMMU_H__) */

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/* SPARC stack layout Macros and structures,
* mainly taken from BCC (the Bare C compiler for
* SPARC LEON2/3) sources.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __SPARC_STACK_H__
#define __SPARC_STACK_H__
#include <asm/ptrace.h>
#ifndef __ASSEMBLER__
#ifdef __cplusplus
extern "C" {
#endif
#define PT_REGS_SZ sizeof(struct pt_regs)
/* A Sparc stack frame */
struct sparc_stackframe_regs {
unsigned long sf_locals[8];
unsigned long sf_ins[6];
struct sparc_stackframe_regs *sf_fp;
unsigned long sf_callers_pc;
char *sf_structptr;
unsigned long sf_xargs[6];
unsigned long sf_xxargs[1];
};
#define SF_REGS_SZ sizeof(struct sparc_stackframe_regs)
/* A register window */
struct sparc_regwindow_regs {
unsigned long locals[8];
unsigned long ins[8];
};
#define RW_REGS_SZ sizeof(struct sparc_regwindow_regs)
/* A fpu window */
struct sparc_fpuwindow_regs {
unsigned long locals[32];
unsigned long fsr;
unsigned long lastctx;
};
#define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs)
#ifdef __cplusplus
}
#endif
#else
#define PT_REGS_SZ 0x50 /* 20*4 */
#define SF_REGS_SZ 0x60 /* 24*4 */
#define RW_REGS_SZ 0x20 /* 16*4 */
#define FW_REGS_SZ 0x88 /* 34*4 */
#endif /* !ASM */
/* These are for pt_regs. */
#define PT_PSR 0x0
#define PT_PC 0x4
#define PT_NPC 0x8
#define PT_Y 0xc
#define PT_G0 0x10
#define PT_WIM PT_G0
#define PT_G1 0x14
#define PT_G2 0x18
#define PT_G3 0x1c
#define PT_G4 0x20
#define PT_G5 0x24
#define PT_G6 0x28
#define PT_G7 0x2c
#define PT_I0 0x30
#define PT_I1 0x34
#define PT_I2 0x38
#define PT_I3 0x3c
#define PT_I4 0x40
#define PT_I5 0x44
#define PT_I6 0x48
#define PT_FP PT_I6
#define PT_I7 0x4c
/* Stack_frame offsets */
#define SF_L0 0x00
#define SF_L1 0x04
#define SF_L2 0x08
#define SF_L3 0x0c
#define SF_L4 0x10
#define SF_L5 0x14
#define SF_L6 0x18
#define SF_L7 0x1c
#define SF_I0 0x20
#define SF_I1 0x24
#define SF_I2 0x28
#define SF_I3 0x2c
#define SF_I4 0x30
#define SF_I5 0x34
#define SF_FP 0x38
#define SF_PC 0x3c
#define SF_RETP 0x40
#define SF_XARG0 0x44
#define SF_XARG1 0x48
#define SF_XARG2 0x4c
#define SF_XARG3 0x50
#define SF_XARG4 0x54
#define SF_XARG5 0x58
#define SF_XXARG 0x5c
/* Reg_window offsets */
#define RW_L0 0x00
#define RW_L1 0x04
#define RW_L2 0x08
#define RW_L3 0x0c
#define RW_L4 0x10
#define RW_L5 0x14
#define RW_L6 0x18
#define RW_L7 0x1c
#define RW_I0 0x20
#define RW_I1 0x24
#define RW_I2 0x28
#define RW_I3 0x2c
#define RW_I4 0x30
#define RW_I5 0x34
#define RW_I6 0x38
#define RW_I7 0x3c
/* Fpu_window offsets */
#define FW_F0 0x00
#define FW_F2 0x08
#define FW_F4 0x10
#define FW_F6 0x18
#define FW_F8 0x20
#define FW_F10 0x28
#define FW_F12 0x30
#define FW_F14 0x38
#define FW_F16 0x40
#define FW_F18 0x48
#define FW_F20 0x50
#define FW_F22 0x58
#define FW_F24 0x60
#define FW_F26 0x68
#define FW_F28 0x70
#define FW_F30 0x78
#define FW_FSR 0x80
#endif

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/*
* (C) Copyright 2000 - 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_STRING_H_
#define _SPARC_STRING_H_
/*
#define __HAVE_ARCH_STRCPY
#define __HAVE_ARCH_STRNCPY
#define __HAVE_ARCH_STRLEN
#define __HAVE_ARCH_STRCMP
#define __HAVE_ARCH_STRCAT
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_BCOPY
#define __HAVE_ARCH_MEMCPY
#define __HAVE_ARCH_MEMMOVE
#define __HAVE_ARCH_MEMCMP
#define __HAVE_ARCH_MEMCHR
*/
extern int strcasecmp(const char *, const char *);
extern int strncasecmp(const char *, const char *, int);
extern char *strcpy(char *, const char *);
extern char *strncpy(char *, const char *, __kernel_size_t);
extern __kernel_size_t strlen(const char *);
extern int strcmp(const char *, const char *);
extern char *strcat(char *, const char *);
extern void *memset(void *, int, __kernel_size_t);
extern void *memcpy(void *, const void *, __kernel_size_t);
extern void *memmove(void *, const void *, __kernel_size_t);
extern int memcmp(const void *, const void *, __kernel_size_t);
extern void *memchr(const void *, int, __kernel_size_t);
#endif

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/*
* (C) Copyright 2000 - 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef _SPARC_TYPES_H
#define _SPARC_TYPES_H
#ifndef __ASSEMBLY__
typedef unsigned short umode_t;
typedef __signed__ char __s8;
typedef unsigned char __u8;
typedef __signed__ short __s16;
typedef unsigned short __u16;
typedef __signed__ int __s32;
typedef unsigned int __u32;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
typedef __signed__ long long __s64;
typedef unsigned long long __u64;
#endif
typedef struct {
__u32 u[4];
} __attribute((aligned(16))) vector128;
#ifdef __KERNEL__
/*
* These aren't exported outside the kernel to avoid name space clashes
*/
typedef signed char s8;
typedef unsigned char u8;
typedef signed short s16;
typedef unsigned short u16;
typedef signed int s32;
typedef unsigned int u32;
typedef signed long long s64;
typedef unsigned long long u64;
#define BITS_PER_LONG 32
/* DMA addresses are 32-bits wide */
typedef u32 dma_addr_t;
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif

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/*
* (C) Copyright 2000 - 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007, From asm-ppc/u-boot.h
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
********************************************************************
* NOTE: This header file defines an interface to U-Boot. Including
* this (unmodified) header file in another file is considered normal
* use of U-Boot, and does *not* fall under the heading of "derived
* work".
********************************************************************
*/
#ifndef __U_BOOT_H__
#define __U_BOOT_H__
/*
* Currently, this Board information is not passed to
* Linux kernel from U-Boot, but may be passed to other
* Operating systems. This is because U-boot emulates
* a SUN PROM loader (from Linux point of view).
*
* include/asm-sparc/u-boot.h
*/
#ifndef __ASSEMBLY__
typedef struct bd_info {
unsigned long bi_memstart; /* start of DRAM memory */
unsigned long bi_memsize; /* size of DRAM memory in bytes */
unsigned long bi_flashstart; /* start of FLASH memory */
unsigned long bi_flashsize; /* size of FLASH memory */
unsigned long bi_flashoffset; /* reserved area for startup monitor */
unsigned long bi_sramstart; /* start of SRAM memory */
unsigned long bi_sramsize; /* size of SRAM memory */
unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */
unsigned long bi_ip_addr; /* IP Address */
unsigned char bi_enetaddr[6]; /* Ethernet adress */
unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
unsigned long bi_intfreq; /* Internal Freq, in MHz */
unsigned long bi_busfreq; /* Bus Freq, in MHz */
unsigned long bi_baudrate; /* Console Baudrate */
#ifdef CONFIG_HAS_ETH1
/* second onboard ethernet port */
unsigned char bi_enet1addr[6];
#endif
#ifdef CONFIG_HAS_ETH2
/* third onboard ethernet port */
unsigned char bi_enet2addr[6];
#endif
#ifdef CONFIG_HAS_ETH3
unsigned char bi_enet3addr[6];
#endif
} bd_t;
#endif /* __ASSEMBLY__ */
#endif /* __U_BOOT_H__ */

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/*
* Added to U-boot,
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
* Copyright (C) 2007
*
* LEON2/3 LIBIO low-level routines
* Written by Jiri Gaisler.
* Copyright (C) 2004 Gaisler Research AB
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SPARC_WINMACRO_H__
#define __SPARC_WINMACRO_H__
#include <asm/asmmacro.h>
#include <asm/stack.h>
/* Store the register window onto the 8-byte aligned area starting
* at %reg. It might be %sp, it might not, we don't care.
*/
#define RW_STORE(reg) \
std %l0, [%reg + RW_L0]; \
std %l2, [%reg + RW_L2]; \
std %l4, [%reg + RW_L4]; \
std %l6, [%reg + RW_L6]; \
std %i0, [%reg + RW_I0]; \
std %i2, [%reg + RW_I2]; \
std %i4, [%reg + RW_I4]; \
std %i6, [%reg + RW_I6];
/* Load a register window from the area beginning at %reg. */
#define RW_LOAD(reg) \
ldd [%reg + RW_L0], %l0; \
ldd [%reg + RW_L2], %l2; \
ldd [%reg + RW_L4], %l4; \
ldd [%reg + RW_L6], %l6; \
ldd [%reg + RW_I0], %i0; \
ldd [%reg + RW_I2], %i2; \
ldd [%reg + RW_I4], %i4; \
ldd [%reg + RW_I6], %i6;
/* Loading and storing struct pt_reg trap frames. */
#define PT_LOAD_INS(base_reg) \
ldd [%base_reg + SF_REGS_SZ + PT_I0], %i0; \
ldd [%base_reg + SF_REGS_SZ + PT_I2], %i2; \
ldd [%base_reg + SF_REGS_SZ + PT_I4], %i4; \
ldd [%base_reg + SF_REGS_SZ + PT_I6], %i6;
#define PT_LOAD_GLOBALS(base_reg) \
ld [%base_reg + SF_REGS_SZ + PT_G1], %g1; \
ldd [%base_reg + SF_REGS_SZ + PT_G2], %g2; \
ldd [%base_reg + SF_REGS_SZ + PT_G4], %g4; \
ldd [%base_reg + SF_REGS_SZ + PT_G6], %g6;
#define PT_LOAD_YREG(base_reg, scratch) \
ld [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \
wr %scratch, 0x0, %y;
#define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
ld [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \
ld [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \
ld [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc;
#define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \
PT_LOAD_YREG(base_reg, scratch) \
PT_LOAD_INS(base_reg) \
PT_LOAD_GLOBALS(base_reg) \
PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc)
#define PT_STORE_INS(base_reg) \
std %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \
std %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \
std %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \
std %i6, [%base_reg + SF_REGS_SZ + PT_I6];
#define PT_STORE_GLOBALS(base_reg) \
st %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \
std %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \
std %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \
std %g6, [%base_reg + SF_REGS_SZ + PT_G6];
#define PT_STORE_YREG(base_reg, scratch) \
rd %y, %scratch; \
st %scratch, [%base_reg + SF_REGS_SZ + PT_Y];
#define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
st %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \
st %pt_pc, [%base_reg + SF_REGS_SZ + PT_PC]; \
st %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC];
#define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \
PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \
PT_STORE_GLOBALS(base_reg) \
PT_STORE_YREG(base_reg, g_scratch) \
PT_STORE_INS(base_reg)
/* Store the fpu register window*/
#define FW_STORE(reg) \
std %f0, [reg + FW_F0]; \
std %f2, [reg + FW_F2]; \
std %f4, [reg + FW_F4]; \
std %f6, [reg + FW_F6]; \
std %f8, [reg + FW_F8]; \
std %f10, [reg + FW_F10]; \
std %f12, [reg + FW_F12]; \
std %f14, [reg + FW_F14]; \
std %f16, [reg + FW_F16]; \
std %f18, [reg + FW_F18]; \
std %f20, [reg + FW_F20]; \
std %f22, [reg + FW_F22]; \
std %f24, [reg + FW_F24]; \
std %f26, [reg + FW_F26]; \
std %f28, [reg + FW_F28]; \
std %f30, [reg + FW_F30]; \
st %fsr, [reg + FW_FSR];
/* Load a fpu register window from the area beginning at reg. */
#define FW_LOAD(reg) \
ldd [reg + FW_F0], %f0; \
ldd [reg + FW_F2], %f2; \
ldd [reg + FW_F4], %f4; \
ldd [reg + FW_F6], %f6; \
ldd [reg + FW_F8], %f8; \
ldd [reg + FW_F10], %f10; \
ldd [reg + FW_F12], %f12; \
ldd [reg + FW_F14], %f14; \
ldd [reg + FW_F16], %f16; \
ldd [reg + FW_F18], %f18; \
ldd [reg + FW_F20], %f20; \
ldd [reg + FW_F22], %f22; \
ldd [reg + FW_F24], %f24; \
ldd [reg + FW_F26], %f26; \
ldd [reg + FW_F28], %f28; \
ldd [reg + FW_F30], %f30; \
ld [reg + FW_FSR], %fsr;
#endif

1
include/config_cmd_all.h
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@ -13,6 +13,7 @@
* Alphabetical list of all possible commands.
*/
#define CONFIG_CMD_AMBAPP /* AMBA Plug & Play Bus print utility */
#define CONFIG_CMD_ASKENV /* ask for env variable */
#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
#define CONFIG_CMD_BDI /* bdinfo */

380
include/configs/gr_cpci_ax2000.h Normal file
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@ -0,0 +1,380 @@
/* Configuration header file for Gaisler GR-CPCI-AX2000
* AX board. Note that since the AX is removable the configuration
* for this board must be edited below.
*
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_LEON3 /* This is an LEON3 CPU */
#define CONFIG_LEON 1 /* This is an LEON CPU */
#define CONFIG_CPCI_AX2000 1 /* ... on GR-CPCI-AX2000 board */
#define CONFIG_LEON_RAM_SRAM 1
#define CONFIG_LEON_RAM_SDRAM 2
#define CONFIG_LEON_RAM_SDRAM_NOSRAM 3
/* Select Memory to run from
*
* SRAM - UBoot is run in SRAM, SRAM-0x40000000, SDRAM-0x60000000
* SDRAM - UBoot is run in SDRAM, SRAM-0x40000000 and SDRAM-0x60000000
* SDRAM_NOSRAM - UBoot is run in SDRAM, SRAM not available, SDRAM at 0x40000000
*
* Note, if Linux is to be used, SDRAM or SDRAM_NOSRAM is required since
* it doesn't fit into the 4Mb SRAM.
*
* SRAM is default since it will work for all systems, however will not
* be able to boot linux.
*/
#define CONFIG_LEON_RAM_SELECT CONFIG_LEON_RAM_SRAM
/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ 20000000 /* 20MHz */
/* Number of SPARC register windows */
#define CFG_SPARC_NWINDOWS 8
/*
* Serial console configuration
*/
#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/* Partitions */
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
/*
* Supported commands
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_AMBAPP
#define CONFIG_CMD_PING
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_IRQ
/*
* Autobooting
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS_BASE \
"netdev=eth0\0" \
"nfsargs=setenv bootargs console=ttyS0,38400 root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
"bootargs=console=ttyS0,38400 root=/dev/nfs rw nfsroot=192.168.0.20:/export/rootfs ip=192.168.0.206:192.168.0.20:192.168.0.1:255.255.255.0:ax2000:eth0\0"
#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SRAM
#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"scratch=40200000\0" \
""
#elif CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM
#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
"net_nfs=tftp 60000000 ${bootfile};run nfsargs addip;bootm\0" \
"scratch=60800000\0" \
""
#else
/* More than 4Mb is assumed when running from SDRAM */
#define CONFIG_EXTRA_ENV_SETTINGS_SELECT \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"scratch=40800000\0" \
""
#endif
#define CONFIG_EXTRA_ENV_SETTINGS CONFIG_EXTRA_ENV_SETTINGS_BASE CONFIG_EXTRA_ENV_SETTINGS_SELECT
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.20
#define CONFIG_IPADDR 192.168.0.206
#define CONFIG_ROOTPATH /export/rootfs
#define CONFIG_HOSTNAME ax2000
#define CONFIG_BOOTFILE /uImage
#define CONFIG_BOOTCOMMAND "run flash_self"
/* Memory MAP
*
* Flash:
* |--------------------------------|
* | 0x00000000 Text & Data & BSS | *
* | for Monitor | *
* | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
* | UNUSED / Growth | * 256kb
* |--------------------------------|
* | 0x00050000 Base custom area | *
* | kernel / FS | *
* | | * Rest of Flash
* |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
* | END-0x00008000 Environment | * 32kb
* |--------------------------------|
*
*
*
* Main Memory (4Mb SRAM or XMb SDRAM):
* |--------------------------------|
* | UNUSED / scratch area |
* | |
* | |
* | |
* | |
* |--------------------------------|
* | Monitor .Text / .DATA / .BSS | * 256kb
* | Relocated! | *
* |--------------------------------|
* | Monitor Malloc | * 128kb (contains relocated environment)
* |--------------------------------|
* | Monitor/kernel STACK | * 64kb
* |--------------------------------|
* | Page Table for MMU systems | * 2k
* |--------------------------------|
* | PROM Code accessed from Linux | * 6kb-128b
* |--------------------------------|
* | Global data (avail from kernel)| * 128b
* |--------------------------------|
*
*/
/*
* Flash configuration (8,16 or 32 MB)
* TEXT base always at 0xFFF00000
* ENV_ADDR always at 0xFFF40000
* FLASH_BASE at 0xFC000000 for 64 MB
* 0xFE000000 for 32 MB
* 0xFF000000 for 16 MB
* 0xFF800000 for 8 MB
*/
/*#define CFG_NO_FLASH 1*/
#define CFG_FLASH_BASE 0x00000000
#define CFG_FLASH_SIZE 0x00800000
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors */
#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
/*** CFI CONFIG ***/
#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
/* Bypass cache when reading regs from flash memory */
#define CFG_FLASH_CFI_BYPASS_READ
/* Buffered writes (32byte/go) instead of single accesses */
#define CFG_FLASH_USE_BUFFER_WRITE
/*
* Environment settings
*/
/*#define CFG_ENV_IS_NOWHERE 1*/
#define CFG_ENV_IS_IN_FLASH 1
/* CFG_ENV_ADDR need to be at sector boundary */
#define CFG_ENV_SIZE 0x8000
#define CFG_ENV_SECT_SIZE 0x20000
#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SECT_SIZE)
#define CONFIG_ENV_OVERWRITE 1
/*
* Memory map
*
* Always 4Mb SRAM available
* SDRAM module may be available on 0x60000000, SDRAM
* is configured as if a 128Mb SDRAM module is available.
*/
#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
#define CFG_SDRAM_BASE 0x40000000
#else
#define CFG_SDRAM_BASE 0x60000000
#endif
#define CFG_SDRAM_SIZE 0x08000000
#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
/* 4Mb SRAM available */
#if CONFIG_LEON_RAM_SELECT != CONFIG_LEON_RAM_SDRAM_NOSRAM
#define CFG_SRAM_BASE 0x40000000
#define CFG_SRAM_SIZE 0x400000
#define CFG_SRAM_END (CFG_SRAM_BASE+CFG_SRAM_SIZE)
#endif
/* Select RAM used to run U-BOOT from... */
#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SRAM
#define CFG_RAM_BASE CFG_SRAM_BASE
#define CFG_RAM_SIZE CFG_SRAM_SIZE
#define CFG_RAM_END CFG_SRAM_END
#else
#define CFG_RAM_BASE CFG_SDRAM_BASE
#define CFG_RAM_SIZE CFG_SDRAM_SIZE
#define CFG_RAM_END CFG_SDRAM_END
#endif
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
#define CFG_STACK_SIZE (0x10000-32)
#define CFG_MONITOR_BASE TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
# define CFG_RAMBOOT 1
#endif
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
/* relocated monitor area */
#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
/*
* Ethernet configuration uses on board SMC91C111
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20000300 /* chip select 3 */
#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */
#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */
/*#define CONFIG_SHOW_ACTIVITY*/
#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
#define CONFIG_ETHADDR 00:00:7a:cc:00:13
#define CONFIG_PHY_ADDR 0x00
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/*
* Various low-level settings
*/
/*-----------------------------------------------------------------------
* USB stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_USB_CLOCK 0x0001BBBB
#define CONFIG_USB_CONFIG 0x00005000
/***** Gaisler GRLIB IP-Cores Config ********/
/* AMBA Plug & Play info display on startup */
/*#define CFG_AMBAPP_PRINT_ON_STARTUP*/
#define CFG_GRLIB_SDRAM 0
/* See, GRLIB Docs (grip.pdf) on how to set up
* These the memory controller registers.
*/
#define CFG_GRLIB_MEMCFG1 (0x10f800ff | (1<<11))
#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
#define CFG_GRLIB_MEMCFG2 0x82206000
#else
#define CFG_GRLIB_MEMCFG2 0x82205260
#endif
#define CFG_GRLIB_MEMCFG3 0x0809a000
#define CFG_GRLIB_FT_MEMCFG1 (0x10f800ff | (1<<11))
#if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
#define CFG_GRLIB_FT_MEMCFG2 0x82206000
#else
#define CFG_GRLIB_FT_MEMCFG2 0x82205260
#endif
#define CFG_GRLIB_FT_MEMCFG3 0x0809a000
/* no DDR controller */
#define CFG_GRLIB_DDR_CFG 0x00000000
/* no DDR2 Controller */
#define CFG_GRLIB_DDR2_CFG1 0x00000000
#define CFG_GRLIB_DDR2_CFG3 0x00000000
/* Calculate scaler register value from default baudrate */
#define CFG_GRLIB_APBUART_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* Identification string */
#define CONFIG_IDENT_STRING "GAISLER LEON3 GR-CPCI-AX2000"
/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
#endif /* __CONFIG_H */

356
include/configs/gr_ep2s60.h Normal file
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@ -0,0 +1,356 @@
/* Configuration header file for Gaisler Research AB's Template
* design (GPL Open Source SPARC/LEON3 96MHz) for Altera NIOS
* Development board Stratix II edition, with the FPGA device
* EP2S60.
*
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2008
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_LEON3 /* This is an LEON3 CPU */
#define CONFIG_LEON 1 /* This is an LEON CPU */
/* Altera NIOS Development board, Stratix II board */
#define CONFIG_GR_EP2S60 1
/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ 96000000 /* 96MHz */
/* Number of SPARC register windows */
#define CFG_SPARC_NWINDOWS 8
/* Define this is the GR-2S60-MEZZ mezzanine is available and you
* want to use the USB and GRETH functionality of the board
*/
#undef GR_2S60_MEZZ
#ifdef GR_2S60_MEZZ
#define USE_GRETH 1
#define USE_GRUSB 1
#endif
/*
* Serial console configuration
*/
#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/* Partitions */
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
/*
* Supported commands
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_AMBAPP
#define CONFIG_CMD_PING
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_IRQ
/* USB support */
#if USE_GRUSB
#define CONFIG_USB_UHCI
#define CONFIG_CMD_FAT
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_USB
#define CONFIG_USB_STORAGE
/* Enable needed helper functions */
#define CFG_DEVICE_DEREGISTER /* needs device_deregister */
#endif
/*
* Autobooting
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"nfsargs=setenv bootargs console=ttyS0,38400 root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"scratch=40800000\0" \
"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
"bootargs=console=ttyS0,38400 root=/dev/nfs rw nfsroot=192.168.0.20:/export/rootfs ip=192.168.0.207:192.168.0.20:192.168.0.1:255.255.255.0:ml401:eth0\0" \
""
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.20
#define CONFIG_IPADDR 192.168.0.207
#define CONFIG_ROOTPATH /export/rootfs
#define CONFIG_HOSTNAME ml401
#define CONFIG_BOOTFILE /uImage
#define CONFIG_BOOTCOMMAND "run flash_self"
/* Memory MAP
*
* Flash:
* |--------------------------------|
* | 0x00000000 Text & Data & BSS | *
* | for Monitor | *
* | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
* | UNUSED / Growth | * 256kb
* |--------------------------------|
* | 0x00050000 Base custom area | *
* | kernel / FS | *
* | | * Rest of Flash
* |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
* | END-0x00008000 Environment | * 32kb
* |--------------------------------|
*
*
*
* Main Memory:
* |--------------------------------|
* | UNUSED / scratch area |
* | |
* | |
* | |
* | |
* |--------------------------------|
* | Monitor .Text / .DATA / .BSS | * 512kb
* | Relocated! | *
* |--------------------------------|
* | Monitor Malloc | * 128kb (contains relocated environment)
* |--------------------------------|
* | Monitor/kernel STACK | * 64kb
* |--------------------------------|
* | Page Table for MMU systems | * 2k
* |--------------------------------|
* | PROM Code accessed from Linux | * 6kb-128b
* |--------------------------------|
* | Global data (avail from kernel)| * 128b
* |--------------------------------|
*
*/
/*
* Flash configuration (8,16 or 32 MB)
* TEXT base always at 0xFFF00000
* ENV_ADDR always at 0xFFF40000
* FLASH_BASE at 0xFC000000 for 64 MB
* 0xFE000000 for 32 MB
* 0xFF000000 for 16 MB
* 0xFF800000 for 8 MB
*/
/*#define CFG_NO_FLASH 1*/
#define CFG_FLASH_BASE 0x00000000
#define CFG_FLASH_SIZE 0x00400000 /* FPGA Bit file is in top of FLASH, we only ues the bottom 4Mb */
#define PHYS_FLASH_SECT_SIZE 0x00010000 /* 64 KB sectors */
#define CFG_MAX_FLASH_SECT 256 /* max num of sects on one chip */
#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
/*** CFI CONFIG ***/
#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
/* Bypass cache when reading regs from flash memory */
#define CFG_FLASH_CFI_BYPASS_READ
/* Buffered writes (32byte/go) instead of single accesses */
#define CFG_FLASH_USE_BUFFER_WRITE
/*
* Environment settings
*/
/*#define CFG_ENV_IS_NOWHERE 1*/
#define CFG_ENV_IS_IN_FLASH 1
/* CFG_ENV_ADDR need to be at sector boundary */
#define CFG_ENV_SIZE 0x8000
#define CFG_ENV_SECT_SIZE 0x20000
#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SECT_SIZE)
#define CONFIG_ENV_OVERWRITE 1
/*
* Memory map
*/
#define CFG_SDRAM_BASE 0x40000000
#define CFG_SDRAM_SIZE 0x02000000
#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
/* no SRAM available */
#undef CFG_SRAM_BASE
#undef CFG_SRAM_SIZE
#define CFG_RAM_BASE CFG_SDRAM_BASE
#define CFG_RAM_SIZE CFG_SDRAM_SIZE
#define CFG_RAM_END CFG_SDRAM_END
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_SDRAM_END - CFG_GBL_DATA_SIZE)
#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
#define CFG_STACK_SIZE (0x10000-32)
#define CFG_MONITOR_BASE TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
# define CFG_RAMBOOT 1
#endif
#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
/* relocated monitor area */
#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
/*
* Ethernet configuration uses on board SMC91C111, however if a mezzanine
* with a PHY is attached the GRETH can be used on this board.
* Define USE_GRETH in order to use the mezzanine provided PHY with the
* onchip GRETH network MAC, note that this is not supported by the
* template design.
*/
#ifndef USE_GRETH
/* USE SMC91C111 MAC */
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20000300 /* chip select 3 */
#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */
#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */
/*#define CONFIG_SHOW_ACTIVITY*/
#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
#else
/* USE GRETH Ethernet Driver */
#define CONFIG_NET_MULTI 1
#define CONFIG_GRETH 1
/* Default GRETH Ethernet HARDWARE address */
#define GRETH_HWADDR_0 0x00
#define GRETH_HWADDR_1 0x00
#define GRETH_HWADDR_2 0x7a
#define GRETH_HWADDR_3 0xcc
#define GRETH_HWADDR_4 0x00
#define GRETH_HWADDR_5 0x13
#endif
#define CONFIG_ETHADDR 00:00:7a:cc:00:13
#define CONFIG_PHY_ADDR 0x00
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/*-----------------------------------------------------------------------
* USB stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_USB_CLOCK 0x0001BBBB
#define CONFIG_USB_CONFIG 0x00005000
/***** Gaisler GRLIB IP-Cores Config ********/
/* AMBA Plug & Play info display on startup */
/*#define CFG_AMBAPP_PRINT_ON_STARTUP*/
#define CFG_GRLIB_SDRAM 0
/* See, GRLIB Docs (grip.pdf) on how to set up
* These the memory controller registers.
*/
#define CFG_GRLIB_MEMCFG1 (0x10f800ff | (1<<11))
#define CFG_GRLIB_MEMCFG2 0x00000000
#define CFG_GRLIB_MEMCFG3 0x00000000
#define CFG_GRLIB_FT_MEMCFG1 (0x10f800ff | (1<<11))
#define CFG_GRLIB_FT_MEMCFG2 0x00000000
#define CFG_GRLIB_FT_MEMCFG3 0x00000000
#define CFG_GRLIB_DDR_CFG 0xa900830a
#define CFG_GRLIB_DDR2_CFG1 0x00000000
#define CFG_GRLIB_DDR2_CFG3 0x00000000
/* Calculate scaler register value from default baudrate */
#define CFG_GRLIB_APBUART_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* Identification string */
#define CONFIG_IDENT_STRING "GAISLER LEON3 EP2S60"
/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
#endif /* __CONFIG_H */

321
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/* Configuration header file for Gaisler GR-XC3S-1500
* spartan board.
*
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_LEON3 /* This is an LEON3 CPU */
#define CONFIG_LEON 1 /* This is an LEON CPU */
#define CONFIG_GRXC3S1500 1 /* ... on GR-XC3S-1500 board */
/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ 40000000 /* 40MHz */
/* Number of SPARC register windows */
#define CFG_SPARC_NWINDOWS 8
/*
* Serial console configuration
*/
#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/* Partitions */
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
/*
* Supported commands
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_AMBAPP
#define CONFIG_CMD_PING
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_IRQ
/*
* Autobooting
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"nfsargs=setenv bootargs console=ttyS0,38400 root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"scratch=40200000\0" \
"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
"bootargs=console=ttyS0,38400 root=/dev/nfs rw nfsroot=192.168.0.20:/export/rootfs ip=192.168.0.206:192.168.0.20:192.168.0.1:255.255.255.0:grxc3s1500_daniel:eth0\0" \
""
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.20
#define CONFIG_IPADDR 192.168.0.206
#define CONFIG_ROOTPATH /export/rootfs
#define CONFIG_HOSTNAME grxc3s1500
#define CONFIG_BOOTFILE /uImage
#define CONFIG_BOOTCOMMAND "run flash_self"
/* Memory MAP
*
* Flash:
* |--------------------------------|
* | 0x00000000 Text & Data & BSS | *
* | for Monitor | *
* | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
* | UNUSED / Growth | * 256kb
* |--------------------------------|
* | 0x00050000 Base custom area | *
* | kernel / FS | *
* | | * Rest of Flash
* |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
* | END-0x00008000 Environment | * 32kb
* |--------------------------------|
*
*
*
* Main Memory:
* |--------------------------------|
* | UNUSED / scratch area |
* | |
* | |
* | |
* | |
* |--------------------------------|
* | Monitor .Text / .DATA / .BSS | * 256kb
* | Relocated! | *
* |--------------------------------|
* | Monitor Malloc | * 128kb (contains relocated environment)
* |--------------------------------|
* | Monitor/kernel STACK | * 64kb
* |--------------------------------|
* | Page Table for MMU systems | * 2k
* |--------------------------------|
* | PROM Code accessed from Linux | * 6kb-128b
* |--------------------------------|
* | Global data (avail from kernel)| * 128b
* |--------------------------------|
*
*/
/*
* Flash configuration (8,16 or 32 MB)
* TEXT base always at 0xFFF00000
* ENV_ADDR always at 0xFFF40000
* FLASH_BASE at 0xFC000000 for 64 MB
* 0xFE000000 for 32 MB
* 0xFF000000 for 16 MB
* 0xFF800000 for 8 MB
*/
/*#define CFG_NO_FLASH 1*/
#define CFG_FLASH_BASE 0x00000000
#define CFG_FLASH_SIZE 0x00800000
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors */
#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
/*** CFI CONFIG ***/
#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
/* Bypass cache when reading regs from flash memory */
#define CFG_FLASH_CFI_BYPASS_READ
/* Buffered writes (32byte/go) instead of single accesses */
#define CFG_FLASH_USE_BUFFER_WRITE
/*
* Environment settings
*/
/*#define CFG_ENV_IS_NOWHERE 1*/
#define CFG_ENV_IS_IN_FLASH 1
/* CFG_ENV_ADDR need to be at sector boundary */
#define CFG_ENV_SIZE 0x8000
#define CFG_ENV_SECT_SIZE 0x20000
#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SECT_SIZE)
#define CONFIG_ENV_OVERWRITE 1
/*
* Memory map
*/
#define CFG_SDRAM_BASE 0x40000000
#define CFG_SDRAM_SIZE 0x4000000
#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
/* no SRAM available */
#undef CFG_SRAM_BASE
#undef CFG_SRAM_SIZE
/* Always Run U-Boot from SDRAM */
#define CFG_RAM_BASE CFG_SDRAM_BASE
#define CFG_RAM_SIZE CFG_SDRAM_SIZE
#define CFG_RAM_END CFG_SDRAM_END
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
#define CFG_STACK_SIZE (0x10000-32)
#define CFG_MONITOR_BASE TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
# define CFG_RAMBOOT 1
#endif
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
/* relocated monitor area */
#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
/*
* Ethernet configuration
*/
#define CONFIG_GRETH 1
#define CONFIG_NET_MULTI 1
/* Default GRETH Ethernet HARDWARE address */
#define GRETH_HWADDR_0 0x00
#define GRETH_HWADDR_1 0x00
#define GRETH_HWADDR_2 0x7a
#define GRETH_HWADDR_3 0xcc
#define GRETH_HWADDR_4 0x00
#define GRETH_HWADDR_5 0x12
#define CONFIG_ETHADDR 00:00:7a:cc:00:12
#define CONFIG_PHY_ADDR 0x00
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/*
* Various low-level settings
*/
/*-----------------------------------------------------------------------
* USB stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_USB_CLOCK 0x0001BBBB
#define CONFIG_USB_CONFIG 0x00005000
/***** Gaisler GRLIB IP-Cores Config ********/
/* AMBA Plug & Play info display on startup */
/*#define CFG_AMBAPP_PRINT_ON_STARTUP*/
#define CFG_GRLIB_SDRAM 0
/* See, GRLIB Docs (grip.pdf) on how to set up
* These the memory controller registers.
*/
#define CFG_GRLIB_MEMCFG1 (0x000000ff | (1<<11))
#define CFG_GRLIB_MEMCFG2 0x82206000
#define CFG_GRLIB_MEMCFG3 0x00136000
#define CFG_GRLIB_FT_MEMCFG1 (0x000000ff | (1<<11))
#define CFG_GRLIB_FT_MEMCFG2 0x82206000
#define CFG_GRLIB_FT_MEMCFG3 0x00136000
/* no DDR controller */
#define CFG_GRLIB_DDR_CFG 0x00000000
/* no DDR2 Controller */
#define CFG_GRLIB_DDR2_CFG1 0x00000000
#define CFG_GRLIB_DDR2_CFG3 0x00000000
/* Calculate scaler register value from default baudrate */
#define CFG_GRLIB_APBUART_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* Identification string */
#define CONFIG_IDENT_STRING "GAISLER LEON3 GR-XC3S-1500"
/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
#endif /* __CONFIG_H */

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/* Configuration header file for LEON3 GRSIM, trying to be similar
* to Gaisler's GR-XC3S-1500 board.
*
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
/*
* High Level Configuration Options
* (easy to change)
*
* Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
*
* TSIM command
* tsim-leon3 -sdram 0 -ram 32000 -rom 8192 -mmu
*
*/
#define CONFIG_LEON3 /* This is an LEON3 CPU */
#define CONFIG_LEON 1 /* This is an LEON CPU */
#define CONFIG_GRSIM 0 /* ... not running on GRSIM */
#define CONFIG_TSIM 1 /* ... running on TSIM */
/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ 40000000 /* 40MHz */
/* Number of SPARC register windows */
#define CFG_SPARC_NWINDOWS 8
/*
* Serial console configuration
*/
#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/* Partitions */
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
/*
* Supported commands
*/
#define CONFIG_CMD_AMBAPP /* AMBA Plyg&Play information */
#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
#define CONFIG_CMD_BDI /* bdinfo */
#define CONFIG_CMD_CONSOLE /* coninfo */
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_ECHO /* echo arguments */
#define CONFIG_CMD_FPGA /* FPGA configuration Support */
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_ITEST /* Integer (and string) test */
#define CONFIG_CMD_LOADB /* loadb */
#define CONFIG_CMD_LOADS /* loads */
#define CONFIG_CMD_MISC /* Misc functions like sleep etc */
#define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_RUN /* run command in env variable */
#define CONFIG_CMD_SETGETDCR /* DCR support on 4xx */
#define CONFIG_CMD_XIMG /* Load part of Multi Image */
/*
* Autobooting
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
/*#define CFG_HUSH_PARSER 0*/
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/export/roofs\0" \
"scratch=40000000\0" \
"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
"ethaddr=00:00:7A:CC:00:12\0" \
"bootargs=console=ttyS0,38400" \
""
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.81
#define CONFIG_IPADDR 192.168.0.80
#define CONFIG_ROOTPATH /export/rootfs
#define CONFIG_HOSTNAME grxc3s1500
#define CONFIG_BOOTFILE /uImage
#define CONFIG_BOOTCOMMAND "run flash_self"
/* Memory MAP
*
* Flash:
* |--------------------------------|
* | 0x00000000 Text & Data & BSS | *
* | for Monitor | *
* | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
* | UNUSED / Growth | * 256kb
* |--------------------------------|
* | 0x00050000 Base custom area | *
* | kernel / FS | *
* | | * Rest of Flash
* |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
* | END-0x00008000 Environment | * 32kb
* |--------------------------------|
*
*
*
* Main Memory:
* |--------------------------------|
* | UNUSED / scratch area |
* | |
* | |
* | |
* | |
* |--------------------------------|
* | Monitor .Text / .DATA / .BSS | * 256kb
* | Relocated! | *
* |--------------------------------|
* | Monitor Malloc | * 128kb (contains relocated environment)
* |--------------------------------|
* | Monitor/kernel STACK | * 64kb
* |--------------------------------|
* | Page Table for MMU systems | * 2k
* |--------------------------------|
* | PROM Code accessed from Linux | * 6kb-128b
* |--------------------------------|
* | Global data (avail from kernel)| * 128b
* |--------------------------------|
*
*/
/*
* Flash configuration (8,16 or 32 MB)
* TEXT base always at 0xFFF00000
* ENV_ADDR always at 0xFFF40000
* FLASH_BASE at 0xFC000000 for 64 MB
* 0xFE000000 for 32 MB
* 0xFF000000 for 16 MB
* 0xFF800000 for 8 MB
*/
#define CFG_NO_FLASH 1
#define CFG_FLASH_BASE 0x00000000
#define CFG_FLASH_SIZE 0x00800000
#define CFG_ENV_SIZE 0x8000
#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SIZE)
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors */
#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
#ifdef ENABLE_FLASH_SUPPORT
/* For use with grsim FLASH emulation extension */
#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
#undef CONFIG_FLASH_8BIT /* Flash is 32-bit */
/*** CFI CONFIG ***/
#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#endif
/*
* Environment settings
*/
#define CFG_ENV_IS_NOWHERE 1
/*#define CFG_ENV_IS_IN_FLASH 0*/
/*#define CFG_ENV_SIZE 0x8000*/
#define CFG_ENV_SECT_SIZE 0x40000
#define CONFIG_ENV_OVERWRITE 1
/*
* Memory map
*/
#define CFG_SDRAM_BASE 0x40000000
#define CFG_SDRAM_SIZE 0x02000000
#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
/* no SRAM available */
#undef CFG_SRAM_BASE
#undef CFG_SRAM_SIZE
/* Always Run U-Boot from SDRAM */
#define CFG_RAM_BASE CFG_SDRAM_BASE
#define CFG_RAM_SIZE CFG_SDRAM_SIZE
#define CFG_RAM_END CFG_SDRAM_END
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
#define CFG_STACK_SIZE (0x10000-32)
#define CFG_MONITOR_BASE TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
# define CFG_RAMBOOT 1
#endif
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
/* relocated monitor area */
#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
/*
* Ethernet configuration
*/
#define CONFIG_GRETH 1
#define CONFIG_NET_MULTI 1
/* Default HARDWARE address */
#define GRETH_HWADDR_0 0x00
#define GRETH_HWADDR_1 0x00
#define GRETH_HWADDR_2 0x7A
#define GRETH_HWADDR_3 0xcc
#define GRETH_HWADDR_4 0x00
#define GRETH_HWADDR_5 0x12
#define CONFIG_ETHADDR 00:00:7a:cc:00:12
/*
* Define CONFIG_GRETH_10MBIT to force GRETH at 10Mb/s
*/
/* #define CONFIG_GRETH_10MBIT 1 */
#define CONFIG_PHY_ADDR 0x00
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/***** Gaisler GRLIB IP-Cores Config ********/
/* AMBA Plug & Play info display on startup */
/*#define CFG_AMBAPP_PRINT_ON_STARTUP*/
#define CFG_GRLIB_SDRAM 0
#define CFG_GRLIB_MEMCFG1 (0x000000ff | (1<<11))
#if CONFIG_GRSIM
/* GRSIM configuration */
#define CFG_GRLIB_MEMCFG2 0x82206000
#else
/* TSIM configuration */
#define CFG_GRLIB_MEMCFG2 0x00001820
#endif
#define CFG_GRLIB_MEMCFG3 0x00136000
#define CFG_GRLIB_FT_MEMCFG1 (0x000000ff | (1<<11))
#define CFG_GRLIB_FT_MEMCFG2 0x82206000
#define CFG_GRLIB_FT_MEMCFG3 0x00136000
/* no DDR controller */
#define CFG_GRLIB_DDR_CFG 0x00000000
/* no DDR2 Controller */
#define CFG_GRLIB_DDR2_CFG1 0x00000000
#define CFG_GRLIB_DDR2_CFG3 0x00000000
#define CFG_GRLIB_APBUART_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
#define CONFIG_IDENT_STRING "Gaisler GRSIM"
#endif /* __CONFIG_H */

349
include/configs/grsim_leon2.h Normal file
View File

@ -0,0 +1,349 @@
/* Configuration header file for LEON2 GRSIM.
*
* (C) Copyright 2003-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
/*
* High Level Configuration Options
* (easy to change)
*
* Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
*
* TSIM command
* tsim-leon -sdram 0 -ram 32000 -rom 8192 -mmu
*
*/
#define CONFIG_LEON2 /* This is an LEON2 CPU */
#define CONFIG_LEON 1 /* This is an LEON CPU */
#define CONFIG_GRSIM 0 /* ... not running on GRSIM */
#define CONFIG_TSIM 1 /* ... running on TSIM */
/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ 40000000 /* 40MHz */
/* Number of SPARC register windows */
#define CFG_SPARC_NWINDOWS 8
/*
* Serial console configuration
*/
#define CONFIG_BAUDRATE 38400 /* ... at 38400 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
/* Partitions */
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
/*
* Supported commands
*/
#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
#define CONFIG_CMD_BDI /* bdinfo */
#define CONFIG_CMD_CONSOLE /* coninfo */
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_ECHO /* echo arguments */
#define CONFIG_CMD_FPGA /* FPGA configuration Support */
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_ITEST /* Integer (and string) test */
#define CONFIG_CMD_LOADB /* loadb */
#define CONFIG_CMD_LOADS /* loads */
#define CONFIG_CMD_MISC /* Misc functions like sleep etc */
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_RUN /* run command in env variable */
#define CONFIG_CMD_SETGETDCR /* DCR support on 4xx */
#define CONFIG_CMD_XIMG /* Load part of Multi Image */
/*
* Autobooting
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
/*#define CFG_HUSH_PARSER 0*/
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"flash_nfs=run nfsargs addip;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/export/roofs\0" \
"scratch=40000000\0" \
"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
"ethaddr=00:00:7A:CC:00:12\0" \
"bootargs=console=ttyS0,38400" \
""
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.81
#define CONFIG_IPADDR 192.168.0.80
#define CONFIG_ROOTPATH /export/rootfs
#define CONFIG_HOSTNAME grxc3s1500
#define CONFIG_BOOTFILE /uImage
#define CONFIG_BOOTCOMMAND "run flash_self"
/* Memory MAP
*
* Flash:
* |--------------------------------|
* | 0x00000000 Text & Data & BSS | *
* | for Monitor | *
* | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
* | UNUSED / Growth | * 256kb
* |--------------------------------|
* | 0x00050000 Base custom area | *
* | kernel / FS | *
* | | * Rest of Flash
* |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
* | END-0x00008000 Environment | * 32kb
* |--------------------------------|
*
*
*
* Main Memory:
* |--------------------------------|
* | UNUSED / scratch area |
* | |
* | |
* | |
* | |
* |--------------------------------|
* | Monitor .Text / .DATA / .BSS | * 256kb
* | Relocated! | *
* |--------------------------------|
* | Monitor Malloc | * 128kb (contains relocated environment)
* |--------------------------------|
* | Monitor/kernel STACK | * 64kb
* |--------------------------------|
* | Page Table for MMU systems | * 2k
* |--------------------------------|
* | PROM Code accessed from Linux | * 6kb-128b
* |--------------------------------|
* | Global data (avail from kernel)| * 128b
* |--------------------------------|
*
*/
/*
* Flash configuration (8,16 or 32 MB)
* TEXT base always at 0xFFF00000
* ENV_ADDR always at 0xFFF40000
* FLASH_BASE at 0xFC000000 for 64 MB
* 0xFE000000 for 32 MB
* 0xFF000000 for 16 MB
* 0xFF800000 for 8 MB
*/
#define CFG_NO_FLASH 1
#define CFG_FLASH_BASE 0x00000000
#define CFG_FLASH_SIZE 0x00800000
#define CFG_ENV_SIZE 0x8000
#define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SIZE)
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors */
#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
#ifdef ENABLE_FLASH_SUPPORT
/* For use with grsim FLASH emulation extension */
#define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
#undef CONFIG_FLASH_8BIT /* Flash is 32-bit */
/*** CFI CONFIG ***/
#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#endif
/*
* Environment settings
*/
#define CFG_ENV_IS_NOWHERE 1
/*#define CFG_ENV_IS_IN_FLASH 0*/
/*#define CFG_ENV_SIZE 0x8000*/
#define CFG_ENV_SECT_SIZE 0x40000
#define CONFIG_ENV_OVERWRITE 1
/*
* Memory map
*/
#define CFG_SDRAM_BASE 0x40000000
#define CFG_SDRAM_SIZE 0x00800000
#define CFG_SDRAM_END (CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
/* no SRAM available */
#undef CFG_SRAM_BASE
#undef CFG_SRAM_SIZE
/* Always Run U-Boot from SDRAM */
#define CFG_RAM_BASE CFG_SDRAM_BASE
#define CFG_RAM_SIZE CFG_SDRAM_SIZE
#define CFG_RAM_END CFG_SDRAM_END
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_PROM_SIZE (8192-CFG_GBL_DATA_SIZE)
#define CFG_PROM_OFFSET (CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
#define CFG_INIT_SP_OFFSET (CFG_PROM_OFFSET-32)
#define CFG_STACK_SIZE (0x10000-32)
#define CFG_MONITOR_BASE TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
# define CFG_RAMBOOT 1
#endif
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_MALLOC_END (CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
#define CFG_MALLOC_BASE (CFG_MALLOC_END-CFG_MALLOC_LEN)
/* relocated monitor area */
#define CFG_RELOC_MONITOR_MAX_END CFG_MALLOC_BASE
#define CFG_RELOC_MONITOR_BASE (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
/*
* Ethernet configuration
*/
/*#define CONFIG_GRETH 1*/
/*#define CONFIG_NET_MULTI 1*/
/* Default HARDWARE address */
#define GRETH_HWADDR_0 0x00
#define GRETH_HWADDR_1 0x00
#define GRETH_HWADDR_2 0x7A
#define GRETH_HWADDR_3 0xcc
#define GRETH_HWADDR_4 0x00
#define GRETH_HWADDR_5 0x12
#define CONFIG_ETHADDR 00:00:7a:cc:00:12
/*
* Define CONFIG_GRETH_10MBIT to force GRETH at 10Mb/s
*/
/* #define CONFIG_GRETH_10MBIT 1 */
#define CONFIG_PHY_ADDR 0x00
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/***** Gaisler GRLIB IP-Cores Config ********/
#define CFG_GRLIB_SDRAM 0
#define CFG_GRLIB_MEMCFG1 (0x000000ff | (1<<11))
#if CONFIG_GRSIM
#define CFG_GRLIB_MEMCFG2 0x82206000
#else
#define CFG_GRLIB_MEMCFG2 0x00001820
#endif
#define CFG_GRLIB_MEMCFG3 0x00136000
/*** LEON2 UART 1 ***/
#define CFG_LEON2_UART1_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* UART1 Define to 1 or 0 */
#define LEON2_UART1_LOOPBACK_ENABLE 0
#define LEON2_UART1_FLOWCTRL_ENABLE 0
#define LEON2_UART1_PARITY_ENABLE 0
#define LEON2_UART1_ODDPAR_ENABLE 0
/*** LEON2 UART 2 ***/
#define CFG_LEON2_UART2_SCALER \
((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
/* UART2 Define to 1 or 0 */
#define LEON2_UART2_LOOPBACK_ENABLE 0
#define LEON2_UART2_FLOWCTRL_ENABLE 0
#define LEON2_UART2_PARITY_ENABLE 0
#define LEON2_UART2_ODDPAR_ENABLE 0
#define LEON_CONSOLE_UART1 1
#define LEON_CONSOLE_UART2 2
/* Use UART2 as console */
#define LEON2_CONSOLE_SELECT LEON_CONSOLE_UART1
/* LEON2 I/O Port */
/*#define LEON2_IO_PORT_DIR 0x0000aa00*/
/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
#define CONFIG_IDENT_STRING "Gaisler GRSIM LEON2"
#endif /* __CONFIG_H */

4
include/image.h
View File

@ -419,6 +419,8 @@ static inline int image_check_target_arch (image_header_t *hdr)
if (!image_check_arch (hdr, IH_ARCH_PPC))
#elif defined(__sh__)
if (!image_check_arch (hdr, IH_ARCH_SH))
#elif defined(__sparc__)
if (!image_check_arch (hdr, IH_ARCH_SPARC))
#else
# error Unknown CPU type
#endif
@ -571,6 +573,8 @@ static inline int fit_image_check_target_arch (const void *fdt, int node)
if (!fit_image_check_arch (fdt, node, IH_ARCH_PPC))
#elif defined(__sh__)
if (!fit_image_check_arch (fdt, node, IH_ARCH_SH))
#elif defined(__sparc__)
if (!fit_image_check_arch (fdt, node, IH_ARCH_SPARC))
#else
# error Unknown CPU type
#endif

45
lib_sparc/Makefile Normal file
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@ -0,0 +1,45 @@
#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).a
SOBJS =
COBJS = board.o cache.o interrupts.o time.o bootm.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

521
lib_sparc/board.c Normal file
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@ -0,0 +1,521 @@
/* SPARC Board initialization
*
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <devices.h>
#include <config.h>
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
#endif
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
#include <net.h>
#include <serial.h>
#include <version.h>
#if defined(CONFIG_POST)
#include <post.h>
#endif
#ifdef CONFIG_PS2KBD
#include <keyboard.h>
#endif
#ifdef CONFIG_CMD_AMBAPP
#include <ambapp.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
/* Debug options
#define DEBUG_INIT_SEQUENCE
#define DEBUG_MEM_LAYOUT
#define DEBUG_COMMANDS
*/
extern void timer_interrupt_init(void);
extern void malloc_bin_reloc(void);
extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
extern int prom_init(void);
#if defined(CONFIG__CMD_DOC)
void doc_init(void);
#endif
#if !defined(CFG_NO_FLASH)
static char *failed = "*** failed ***\n";
#endif
#include <environment.h>
ulong monitor_flash_len;
/*
* Begin and End of memory area for malloc(), and current "brk"
*/
static ulong mem_malloc_start = 0;
static ulong mem_malloc_end = 0;
static ulong mem_malloc_brk = 0;
/************************************************************************
* Utilities *
************************************************************************
*/
/*
* The Malloc area is immediately below the monitor copy in RAM
*/
static void mem_malloc_init(void)
{
mem_malloc_start = CFG_MALLOC_BASE;
mem_malloc_end = CFG_MALLOC_END;
mem_malloc_brk = mem_malloc_start;
memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
}
void *sbrk(ptrdiff_t increment)
{
ulong old = mem_malloc_brk;
ulong new = old + increment;
if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
return (NULL);
}
mem_malloc_brk = new;
return ((void *)old);
}
/***********************************************************************/
/************************************************************************
* Init Utilities *
************************************************************************
* Some of this code should be moved into the core functions,
* but let's get it working (again) first...
*/
static int init_baudrate(void)
{
char tmp[64]; /* long enough for environment variables */
int i = getenv_r("baudrate", tmp, sizeof(tmp));
gd->baudrate = (i > 0)
? (int)simple_strtoul(tmp, NULL, 10)
: CONFIG_BAUDRATE;
return (0);
}
/***********************************************************************/
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
* requirements are just _too_ different. To get rid of the resulting
* mess of board dependend #ifdef'ed code we now make the whole
* initialization sequence configurable to the user.
*
* The requirements for any new initalization function is simple: it
* receives a pointer to the "global data" structure as it's only
* argument, and returns an integer return code, where 0 means
* "continue" and != 0 means "fatal error, hang the system".
*/
typedef int (init_fnc_t) (void);
#define WATCHDOG_RESET(x)
/************************************************************************
* Initialization sequence *
************************************************************************
*/
init_fnc_t *init_sequence[] = {
#if defined(CONFIG_BOARD_EARLY_INIT_F)
board_early_init_f,
#endif
serial_init,
init_timebase,
#if defined(CONFIG_CMD_AMBAPP)
ambapp_init_reloc,
#endif
env_init,
init_baudrate,
console_init_f,
display_options,
checkcpu,
checkboard,
#if defined(CONFIG_MISC_INIT_F)
misc_init_f,
#endif
#ifdef CONFIG_POST
post_init_f,
#endif
NULL, /* Terminate this list,
* beware: this list will be relocated
* which means that NULL will become
* NULL+RELOC_OFFSET. We simply make
* NULL be -RELOC_OFFSET instead.
*/
};
/************************************************************************
*
* This is the SPARC board initialization routine, running from RAM.
*
************************************************************************
*/
#ifdef DEBUG_INIT_SEQUENCE
char *str_init_seq = "INIT_SEQ 00\n";
char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
#endif
void board_init_f(ulong bootflag)
{
cmd_tbl_t *cmdtp;
bd_t *bd;
unsigned char *s;
init_fnc_t **init_fnc_ptr;
int j;
int i;
char *e;
#ifndef CFG_NO_FLASH
ulong flash_size;
#endif
gd = (gd_t *) (CFG_GBL_DATA_OFFSET);
/* Clear initial global data */
memset((void *)gd, 0, sizeof(gd_t));
gd->bd = (bd_t *) (gd + 1); /* At end of global data */
gd->baudrate = CONFIG_BAUDRATE;
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
bd = gd->bd;
bd->bi_memstart = CFG_RAM_BASE;
bd->bi_memsize = CFG_RAM_SIZE;
bd->bi_flashstart = CFG_FLASH_BASE;
#if defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE)
bd->bi_sramstart = CFG_SRAM_BASE;
bd->bi_sramsize = CFG_SRAM_SIZE;
#endif
bd->bi_baudrate = CONFIG_BAUDRATE;
bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
gd->reloc_off = CFG_RELOC_MONITOR_BASE - CFG_MONITOR_BASE;
for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
++init_fnc_ptr, j++) {
#ifdef DEBUG_INIT_SEQUENCE
if (j > 9)
str_init_seq[9] = '0' + (j / 10);
str_init_seq[10] = '0' + (j - (j / 10) * 10);
serial_puts(str_init_seq);
#endif
if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
hang();
}
}
#ifdef DEBUG_INIT_SEQUENCE
serial_puts(str_init_seq_done);
#endif
/*
* Now that we have DRAM mapped and working, we can
* relocate the code and continue running from DRAM.
*
* Reserve memory at end of RAM for (top down in that order):
* - kernel log buffer
* - protected RAM
* - LCD framebuffer
* - monitor code
* - board info struct
*/
#ifdef DEBUG_MEM_LAYOUT
printf("CFG_MONITOR_BASE: 0x%lx\n", CFG_MONITOR_BASE);
printf("CFG_ENV_ADDR: 0x%lx\n", CFG_ENV_ADDR);
printf("CFG_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CFG_RELOC_MONITOR_BASE,
CFG_MONITOR_LEN);
printf("CFG_MALLOC_BASE: 0x%lx (%d)\n", CFG_MALLOC_BASE,
CFG_MALLOC_LEN);
printf("CFG_INIT_SP_OFFSET: 0x%lx (%d)\n", CFG_INIT_SP_OFFSET,
CFG_STACK_SIZE);
printf("CFG_PROM_OFFSET: 0x%lx (%d)\n", CFG_PROM_OFFSET,
CFG_PROM_SIZE);
printf("CFG_GBL_DATA_OFFSET: 0x%lx (%d)\n", CFG_GBL_DATA_OFFSET,
CFG_GBL_DATA_SIZE);
#endif
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
/*
* We have to relocate the command table manually
*/
for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
ulong addr;
addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
#if DEBUG_COMMANDS
printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
cmdtp->name, (ulong) (cmdtp->cmd), addr);
#endif
cmdtp->cmd =
(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
addr = (ulong) (cmdtp->name) + gd->reloc_off;
cmdtp->name = (char *)addr;
if (cmdtp->usage) {
addr = (ulong) (cmdtp->usage) + gd->reloc_off;
cmdtp->usage = (char *)addr;
}
#ifdef CFG_LONGHELP
if (cmdtp->help) {
addr = (ulong) (cmdtp->help) + gd->reloc_off;
cmdtp->help = (char *)addr;
}
#endif
}
#if defined(CONFIG_CMD_AMBAPP) && defined(CFG_AMBAPP_PRINT_ON_STARTUP)
puts("AMBA:\n");
do_ambapp_print(NULL, 0, 0, NULL);
#endif
/* initialize higher level parts of CPU like time base and timers */
cpu_init_r();
/* start timer */
timer_interrupt_init();
/*
* Enable Interrupts before any calls to udelay,
* the flash driver may use udelay resulting in
* a hang if not timer0 IRQ is enabled.
*/
interrupt_init();
#if !defined(CFG_NO_FLASH)
puts("FLASH: ");
if ((flash_size = flash_init()) > 0) {
# ifdef CFG_FLASH_CHECKSUM
print_size(flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
*
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
*/
s = getenv("flashchecksum");
if (s && (*s == 'y')) {
printf(" CRC: %08lX",
crc32(0, (const unsigned char *)CFG_FLASH_BASE,
flash_size)
);
}
putc('\n');
# else /* !CFG_FLASH_CHECKSUM */
print_size(flash_size, "\n");
# endif /* CFG_FLASH_CHECKSUM */
} else {
puts(failed);
hang();
}
bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
#if CFG_MONITOR_BASE == CFG_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
#else
bd->bi_flashoffset = 0;
#endif
#else /* CFG_NO_FLASH */
bd->bi_flashsize = 0;
bd->bi_flashstart = 0;
bd->bi_flashoffset = 0;
#endif /* !CFG_NO_FLASH */
/* initialize malloc() area */
mem_malloc_init();
malloc_bin_reloc();
#ifdef CONFIG_SPI
# if !defined(CFG_ENV_IS_IN_EEPROM)
spi_init_f();
# endif
spi_init_r();
#endif
/* relocate environment function pointers etc. */
env_relocate();
#if defined(CONFIG_BOARD_LATE_INIT)
board_late_init();
#endif
s = getenv("ethaddr");
for (i = 0; i < 6; ++i) {
bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
if (s)
s = (*e) ? e + 1 : e;
}
#ifdef CONFIG_HAS_ETH1
/* handle the 2nd ethernet address */
s = getenv("eth1addr");
for (i = 0; i < 6; ++i) {
bd->bi_enet1addr[i] = s ? simple_strtoul(s, &e, 16) : 0;
if (s)
s = (*e) ? e + 1 : e;
}
#endif
#ifdef CFG_ID_EEPROM
mac_read_from_eeprom();
#endif
/* IP Address */
bd->bi_ip_addr = getenv_IPaddr("ipaddr");
#if defined(CONFIG_PCI)
/*
* Do pci configuration
*/
pci_init();
#endif
/* Initialize devices */
devices_init();
/* Initialize the jump table for applications */
jumptable_init();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
serial_buffered_init();
#endif
#ifdef CONFIG_STATUS_LED
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
udelay(20);
set_timer(0);
/* Initialize from environment */
if ((s = getenv("loadaddr")) != NULL) {
load_addr = simple_strtoul(s, NULL, 16);
}
#if defined(CONFIG_CMD_NET)
if ((s = getenv("bootfile")) != NULL) {
copy_filename(BootFile, s, sizeof(BootFile));
}
#endif /* CFG_CMD_NET */
WATCHDOG_RESET();
#if defined(CONFIG_CMD_DOC)
WATCHDOG_RESET();
puts("DOC: ");
doc_init();
#endif
#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
WATCHDOG_RESET();
puts("Net: ");
#endif
eth_initialize(bd);
#endif
#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
WATCHDOG_RESET();
debug("Reset Ethernet PHY\n");
reset_phy();
#endif
#ifdef CONFIG_POST
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
#if defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts("IDE: ");
ide_init();
#endif /* CFG_CMD_IDE */
#ifdef CONFIG_LAST_STAGE_INIT
WATCHDOG_RESET();
/*
* Some parts can be only initialized if all others (like
* Interrupts) are up and running (i.e. the PC-style ISA
* keyboard).
*/
last_stage_init();
#endif
#ifdef CONFIG_PS2KBD
puts("PS/2: ");
kbd_init();
#endif
prom_init();
/* main_loop */
for (;;) {
WATCHDOG_RESET();
main_loop();
}
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
#ifdef CONFIG_SHOW_BOOT_PROGRESS
show_boot_progress(-30);
#endif
for (;;) ;
}
/************************************************************************/

226
lib_sparc/bootm.c Normal file
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/* SPARC code for booting linux 2.6
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <asm/byteorder.h>
#include <asm/prom.h>
#include <asm/cache.h>
#define PRINT_KERNEL_HEADER
extern image_header_t header;
extern void srmmu_init_cpu(unsigned int entry);
extern void prepare_bootargs(char *bootargs);
extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
#ifdef CONFIG_USB_UHCI
extern int usb_lowlevel_stop(void);
#endif
/* sparc kernel argument (the ROM vector) */
struct linux_romvec *kernel_arg_promvec;
/* page szie is 4k */
#define PAGE_SIZE 0x1000
#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
struct __attribute__ ((packed)) {
char traptable[PAGE_SIZE];
char swapper_pg_dir[PAGE_SIZE];
char pg0[PAGE_SIZE];
char pg1[PAGE_SIZE];
char pg2[PAGE_SIZE];
char pg3[PAGE_SIZE];
char empty_bad_page[PAGE_SIZE];
char empty_bad_page_table[PAGE_SIZE];
char empty_zero_page[PAGE_SIZE];
unsigned char hdr[4]; /* ascii "HdrS" */
/* 00.02.06.0b is for Linux kernel 2.6.11 */
unsigned char linuxver_mega_major;
unsigned char linuxver_major;
unsigned char linuxver_minor;
unsigned char linuxver_revision;
/* header version 0x0203 */
unsigned short hdr_ver;
union __attribute__ ((packed)) {
struct __attribute__ ((packed)) {
unsigned short root_flags;
unsigned short root_dev;
unsigned short ram_flags;
unsigned int sparc_ramdisk_image;
unsigned int sparc_ramdisk_size;
unsigned int reboot_command;
unsigned int resv[3];
unsigned int end;
} ver_0203;
} hdr_input;
} *linux_hdr;
/* temporary initrd image holder */
image_header_t ihdr;
/* boot the linux kernel */
void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
bootm_headers_t * images)
{
char *bootargs;
ulong ep, load;
ulong initrd_start, initrd_end;
ulong rd_data_start, rd_data_end, rd_len;
unsigned int data, len, checksum;
unsigned int initrd_addr, kernend;
void (*kernel) (struct linux_romvec *, void *);
struct lmb *lmb = images->lmb;
int ret;
if (images->legacy_hdr_valid) {
ep = image_get_ep(images->legacy_hdr_os);
load = image_get_load(images->legacy_hdr_os);
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
int ret = fit_image_get_entry(images->fit_hdr_os,
images->fit_noffset_os, &ep);
if (ret) {
puts("Can't get entry point property!\n");
goto error;
}
ret = fit_image_get_load(images->fit_hdr_os,
images->fit_noffset_os, &load);
if (ret) {
puts("Can't get load address property!\n");
goto error;
}
#endif
} else {
puts("Could not find kernel entry point!\n");
goto error;
}
/* Get virtual address of kernel start */
linux_hdr = (void *)load;
/* */
kernel = (void (*)(struct linux_romvec *, void *))ep;
/* check for a SPARC kernel */
if ((linux_hdr->hdr[0] != 'H') ||
(linux_hdr->hdr[1] != 'd') ||
(linux_hdr->hdr[2] != 'r') || (linux_hdr->hdr[3] != 'S')) {
puts("Error reading header of SPARC Linux kernel, aborting\n");
goto error;
}
#ifdef PRINT_KERNEL_HEADER
printf("## Found SPARC Linux kernel %d.%d.%d ...\n",
linux_hdr->linuxver_major,
linux_hdr->linuxver_minor, linux_hdr->linuxver_revision);
#endif
#ifdef CONFIG_USB_UHCI
usb_lowlevel_stop();
#endif
/* set basic boot params in kernel header now that it has been
* extracted and is writeable.
*/
/*
* Are we going to use an initrd image?
*/
ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_SPARC,
&rd_data_start, &rd_data_end);
if (ret) {
/* RAM disk found but was corrupt */
puts("RAM Disk corrupt\n");
goto error;
}
/* Calc length of RAM disk, if zero no ramdisk available */
rd_len = rd_data_end - rd_data_start;
if (rd_len) {
/* Reserve the space used by PROM and stack. This is done
* to avoid that the RAM image is copied over stack or
* PROM.
*/
lmb_reserve(lmb, CFG_RELOC_MONITOR_BASE, CFG_RAM_END);
ret = boot_ramdisk_high(lmb, rd_data_start, rd_len,
&initrd_start, &initrd_end);
if (ret) {
puts("### Failed to relocate RAM disk\n");
goto error;
}
/* Update SPARC kernel header so that Linux knows
* what is going on and where to find RAM disk.
*
* Set INITRD Image address relative to RAM Start
*/
linux_hdr->hdr_input.ver_0203.sparc_ramdisk_image =
initrd_start - CFG_RAM_BASE;
linux_hdr->hdr_input.ver_0203.sparc_ramdisk_size = rd_len;
/* Clear READ ONLY flag if set to non-zero */
linux_hdr->hdr_input.ver_0203.root_flags = 1;
/* Set root device to: Root_RAM0 */
linux_hdr->hdr_input.ver_0203.root_dev = 0x100;
linux_hdr->hdr_input.ver_0203.ram_flags = 0;
} else {
/* NOT using RAMDISK image, overwriting kernel defaults */
linux_hdr->hdr_input.ver_0203.sparc_ramdisk_image = 0;
linux_hdr->hdr_input.ver_0203.sparc_ramdisk_size = 0;
/* Leave to kernel defaults
linux_hdr->hdr_input.ver_0203.root_flags = 1;
linux_hdr->hdr_input.ver_0203.root_dev = 0;
linux_hdr->hdr_input.ver_0203.ram_flags = 0;
*/
}
/* Copy bootargs from bootargs variable to kernel readable area */
bootargs = getenv("bootargs");
prepare_bootargs(bootargs);
if (!images->autostart)
return;
/* turn on mmu & setup context table & page table for process 0 (kernel) */
srmmu_init_cpu((unsigned int)kernel);
/* Enter SPARC Linux kernel
* From now on the only code in u-boot that will be
* executed is the PROM code.
*/
kernel(kernel_arg_promvec, (void *)ep);
/* It will never come to this... */
while (1) ;
error:
if (images->autostart)
do_reset(cmdtp, flag, argc, argv);
return;
}

33
lib_sparc/cache.c Normal file
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/* Sparc cache library
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/processor.h>
void flush_cache(ulong start_addr, ulong size)
{
/* Flush All Cache */
sparc_dcache_flush_all();
sparc_icache_flush_all();
}

122
lib_sparc/interrupts.c Normal file
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/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2003
* Gleb Natapov <gnatapov@mrv.com>
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/irq.h>
/* Implemented by SPARC CPUs */
extern int interrupt_init_cpu(void);
extern void timer_interrupt_cpu(void *arg);
extern int timer_interrupt_init_cpu(void);
int intLock(void)
{
unsigned int pil;
pil = get_pil();
/* set PIL to 15 ==> no pending interrupts will interrupt CPU */
set_pil(15);
return pil;
}
void intUnlock(int oldLevel)
{
set_pil(oldLevel);
}
void enable_interrupts(void)
{
set_pil(0); /* enable all interrupts */
}
int disable_interrupts(void)
{
return intLock();
}
int interrupt_init(void)
{
int ret;
/* call cpu specific function from $(CPU)/interrupts.c */
ret = interrupt_init_cpu();
/* enable global interrupts */
enable_interrupts();
return ret;
}
/* timer interrupt/overflow counter */
static volatile ulong timestamp = 0;
/* regs can not be used here! regs is actually the pointer given in
* irq_install_handler
*/
void timer_interrupt(struct pt_regs *regs)
{
/* call cpu specific function from $(CPU)/interrupts.c */
timer_interrupt_cpu((void *)regs);
timestamp++;
}
void reset_timer(void)
{
timestamp = 0;
}
ulong get_timer(ulong base)
{
return (timestamp - base);
}
void set_timer(ulong t)
{
timestamp = t;
}
void timer_interrupt_init(void)
{
int irq;
reset_timer();
irq = timer_interrupt_init_cpu();
if (irq < 0) {
/* cpu specific code handled the interrupt registration it self */
return;
}
/* register interrupt handler for timer */
irq_install_handler(irq, (void (*)(void *))timer_interrupt, NULL);
}

78
lib_sparc/time.c Normal file
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/*
* (C) Copyright 2000, 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
/* Implemented by SPARC CPUs */
extern void cpu_wait_ticks(unsigned long ticks);
extern unsigned long cpu_usec2ticks(unsigned long usec);
extern unsigned long cpu_ticks2usec(unsigned long ticks);
/* ------------------------------------------------------------------------- */
void wait_ticks(unsigned long ticks)
{
cpu_wait_ticks(ticks);
}
/*
* This function is intended for SHORT delays only.
*/
unsigned long usec2ticks(unsigned long usec)
{
return cpu_usec2ticks(usec);
}
/* ------------------------------------------------------------------------- */
/*
* We implement the delay by converting the delay (the number of
* microseconds to wait) into a number of time base ticks; then we
* watch the time base until it has incremented by that amount.
*/
void udelay(unsigned long usec)
{
ulong ticks = usec2ticks(usec);
wait_ticks(ticks);
}
/* ------------------------------------------------------------------------- */
unsigned long ticks2usec(unsigned long ticks)
{
return cpu_ticks2usec(ticks);
}
/* ------------------------------------------------------------------------- */
int init_timebase(void)
{
return (0);
}
/* ------------------------------------------------------------------------- */

24
sparc_config.mk Normal file
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#
# (C) Copyright 2007
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
PLATFORM_CPPFLAGS += -DCONFIG_SPARC -D__sparc__