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* Patch by Yasushi Shoji, 07 Apr 2004: 

- add support for microblaze processors
  - add support for AtmarkTechno "suzaku" board
This commit is contained in:
wdenk 2004-04-18 21:13:41 +00:00
parent 998eaaecd4
commit 507bbe3e80
40 changed files with 2042 additions and 11 deletions
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6
CHANGELOG
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@ -1,7 +1,11 @@
======================================================================
Changes for U-Boot 1.1.1:
======================================================================
* Patch by Yasushi Shoji, 07 Apr 2004:
- add support for microblaze processors
- add support for AtmarkTechno "suzaku" board
* Configure PPChameleon board to use redundand environment in flash
* Configure PPChameleon board to use JFFS2 NAND support.

14
Makefile
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@ -75,6 +75,9 @@ endif
ifeq ($(ARCH),m68k)
CROSS_COMPILE = m68k-elf-
endif
ifeq ($(ARCH),microblaze)
CROSS_COMPILE = mb-
endif
endif
endif
@ -1250,6 +1253,17 @@ ADNPESC1_config: unconfig
@./mkconfig -a ADNPESC1 nios nios adnpesc1 ssv
#========================================================================
# MicroBlaze
#========================================================================
#########################################################################
## Microblaze
#########################################################################
suzaku_config: unconfig
@ >include/config.h
@echo "#define CONFIG_SUZAKU 1" >> include/config.h
@./mkconfig -a $(@:_config=) microblaze microblaze suzaku AtmarkTechno
#########################################################################
## MIPS32 AU1X00
#########################################################################

9
README
View File

@ -240,6 +240,10 @@ The following options need to be configured:
CONFIG_ARM7
CONFIG_PXA250
MicroBlaze based CPUs:
----------------------
CONFIG_MICROBLZE
- Board Type: Define exactly one of
@ -292,6 +296,11 @@ The following options need to be configured:
CONFIG_LUBBOCK, CONFIG_SHANNON, CONFIG_SMDK2400,
CONFIG_SMDK2410, CONFIG_TRAB, CONFIG_VCMA9,
MicroBlaze based boards:
------------------------
CONFIG_SUZAKU
- CPU Module Type: (if CONFIG_COGENT is defined)
Define exactly one of

40
board/AtmarkTechno/suzaku/Makefile Normal file
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@ -0,0 +1,40 @@
#
# (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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o
$(LIB): .depend $(OBJS)
$(AR) crv $@ $(OBJS)
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

29
board/AtmarkTechno/suzaku/config.mk Normal file
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@ -0,0 +1,29 @@
#
# (C) Copyright 2004 Atmark Techno, Inc.
#
# Yasushi SHOJI <yashi@atmark-techno.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
#
TEXT_BASE = 0x80F00000
PLATFORM_CPPFLAGS += -mno-xl-soft-mul
PLATFORM_CPPFLAGS += -mno-xl-soft-div
PLATFORM_CPPFLAGS += -mxl-barrel-shift

46
board/AtmarkTechno/suzaku/flash.c Normal file
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@ -0,0 +1,46 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
unsigned long flash_init(void)
{
return 0;
}
void flash_print_info(flash_info_t *info)
{
}
int flash_erase(flash_info_t *info, int s_first, int s_last)
{
return 0;
}
int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
return 0;
}

36
board/AtmarkTechno/suzaku/suzaku.c Normal file
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@ -0,0 +1,36 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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>
void board_init(void)
{
serial_init();
main_loop();
}
void do_reset(void)
{
}

65
board/AtmarkTechno/suzaku/u-boot.lds Normal file
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@ -0,0 +1,65 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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_ARCH(microblaze)
ENTRY(_start)
SECTIONS
{
.text ALIGN(0x4):
{
__text_start = .;
cpu/microblaze/start.o (.text)
*(.text)
__text_end = .;
}
.rodata ALIGN(0x4):
{
__rodata_start = .;
*(.rodata)
__rodata_end = .;
}
.data ALIGN(0x4):
{
__data_start = .;
*(.data)
__data_end = .;
}
.u_boot_cmd ALIGN(0x4):
{
__u_boot_cmd_start = .;
*(.u_boot_cmd)
__u_boot_cmd_end = .;
}
.bss ALIGN(0x4):
{
__bss_start = .;
*(.bss)
__bss_start = .;
}
}

2
board/dave/PPChameleonEVB/u-boot.lds
View File

@ -141,7 +141,7 @@ SECTIONS
}
. = 0xFFFF8000;
.ppcenv :
.ppcenv :
{
common/environment.o(.ppcenv);
}

3
common/cmd_bootm.c
View File

@ -242,6 +242,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
if (hdr->ih_arch != IH_CPU_NIOS)
#elif defined(__M68K__)
if (hdr->ih_arch != IH_CPU_M68K)
#elif defined(__microblaze__)
if (hdr->ih_arch != IH_CPU_MICROBLAZE)
#else
# error Unknown CPU type
#endif
@ -1185,6 +1187,7 @@ print_type (image_header_t *hdr)
case IH_CPU_SPARC: arch = "SPARC"; break;
case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
case IH_CPU_M68K: arch = "M68K"; break;
case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
default: arch = "Unknown Architecture"; break;
}

43
cpu/microblaze/Makefile Normal file
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@ -0,0 +1,43 @@
#
# (C) Copyright 2000
# 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 $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o
OBJS = cpu.o interrupts.o
all: .depend $(START) $(LIB)
$(LIB): $(OBJS)
$(AR) crv $@ $(OBJS)
#########################################################################
.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S) > $@
sinclude .depend
#########################################################################

25
cpu/microblaze/cpu.c Normal file
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@ -0,0 +1,25 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
*/
/* EMPTY FILE */

32
cpu/microblaze/interrupts.c Normal file
View File

@ -0,0 +1,32 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
*/
void enable_interrupts(void)
{
}
int disable_interrupts(void)
{
return 0;
}

36
cpu/microblaze/start.S Normal file
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@ -0,0 +1,36 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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>
.text
.global _start
_start:
addi r1, r0, CFG_SDRAM_BASE /* init stack pointer */
addi r1, r1, CFG_SDRAM_SIZE /* set sp to high up */
brai board_init
1: bri 1b

3
drivers/Makefile
View File

@ -39,7 +39,8 @@ OBJS = 3c589.o 5701rls.o ali512x.o \
ps2ser.o ps2mult.o pc_keyb.o keyboard.o \
rtl8019.o rtl8139.o \
s3c24x0_i2c.o sed13806.o sed156x.o \
serial.o serial_max3100.o serial_pl011.o serial_pl010.o \
serial.o serial_max3100.o serial_pl010.o serial_pl011.o \
serial_xuartlite.o \
smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \
ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \
usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \

72
drivers/serial_xuartlite.c Normal file
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@ -0,0 +1,72 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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/serial_xuartlite.h>
/* FIXME: we should convert these to in32 and out32 */
#define IO_WORD(offset) (*(volatile unsigned long *)(offset))
#define IO_SERIAL(offset) IO_WORD(CONFIG_SERIAL_BASE + (offset))
#define IO_SERIAL_RX_FIFO IO_SERIAL(XUL_RX_FIFO_OFFSET)
#define IO_SERIAL_TX_FIFO IO_SERIAL(XUL_TX_FIFO_OFFSET)
#define IO_SERIAL_STATUS IO_SERIAL(XUL_STATUS_REG_OFFSET)
#define IO_SERIAL_CONTROL IO_SERIAL(XUL_CONTROL_REG_OFFSET)
int serial_init(void)
{
/* FIXME: Nothing for now. We should initialize fifo, etc */
return 0;
}
void serial_setbrg(void)
{
/* FIXME: what's this for? */
}
void serial_putc(const char c)
{
if (c == '\n') serial_putc('\r');
while (IO_SERIAL_STATUS & XUL_SR_TX_FIFO_FULL);
IO_SERIAL_TX_FIFO = (unsigned char) (c & 0xff);
return 0;
}
void serial_puts(const char * s)
{
while (*s) {
serial_putc(*s++);
}
}
int serial_getc(void)
{
while (!(IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA));
return IO_SERIAL_RX_FIFO & 0xff;
}
int serial_tstc(void)
{
return (IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA);
}

4
examples/Makefile
View File

@ -45,6 +45,10 @@ ifeq ($(ARCH),m68k)
LOAD_ADDR = 0x20000 -L $(clibdir)
endif
ifeq ($(ARCH),microblaze)
LOAD_ADDR = 0x80F00000
endif
include $(TOPDIR)/config.mk
SREC = hello_world.srec

12
examples/stubs.c
View File

@ -94,6 +94,18 @@ gd_t *global_data;
" move.l (%%a0), %%a0\n" \
" jmp (%%a0)\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "a0");
#elif defined(CONFIG_MICROBLZE)
/*
* r31 holds the pointer to the global_data. r5 is a call-clobbered.
*/
#define EXPORT_FUNC(x) \
asm volatile ( \
" .globl " #x "\n" \
#x ":\n" \
" lwi r5, r31, %0\n" \
" lwi r5, r5, %1\n" \
" bra r5\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r5");
#else
#error stubs definition missing for this architecture
#endif

12
fs/jffs2/jffs2_1pass.c
View File

@ -182,8 +182,8 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf)
if (!nand_cache) {
/* This memory never gets freed but 'cause
it's a bootloader, nobody cares */
nand_cache = malloc(NAND_CACHE_SIZE);
if (!nand_cache) {
nand_cache = malloc(NAND_CACHE_SIZE);
if (!nand_cache) {
printf("read_nand_cached: can't alloc cache size %d bytes\n",
NAND_CACHE_SIZE);
return -1;
@ -241,7 +241,7 @@ static void *get_node_mem(u32 off)
return ret;
}
static void put_fl_mem(void *buf)
static void put_fl_mem(void *buf)
{
free(buf);
}
@ -258,7 +258,7 @@ static inline void *get_node_mem(u32 off)
return (void*)off;
}
static inline void put_fl_mem(void *buf)
static inline void put_fl_mem(void *buf)
{
}
@ -414,7 +414,7 @@ static int compare_dirents(struct b_node *new, struct b_node *old)
struct jffs2_raw_dirent ojOld;
struct jffs2_raw_dirent *jNew =
(struct jffs2_raw_dirent *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew);
struct jffs2_raw_dirent *jOld =
struct jffs2_raw_dirent *jOld =
(struct jffs2_raw_dirent *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld);
int cmp;
@ -511,7 +511,7 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest)
* we will live with it.
*/
for (b = pL->frag.listHead; b != NULL; b = b->next) {
jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
sizeof(struct jffs2_raw_inode), NULL);
if ((inode == jNode->ino)) {
/* get actual file length from the newest node */

63
include/asm-microblaze/arch-microblaze/xio.h Normal file
View File

@ -0,0 +1,63 @@
/*
* xio.h
*
* Defines XIo functions for Xilinx OCP in terms of Linux primitives
*
* Author: MontaVista Software, Inc.
* source@mvista.com
*
* 2002 (c) MontaVista, Software, Inc. This file is licensed under the terms
* of the GNU General Public License version 2. This program is licensed
* "as is" without any warranty of any kind, whether express or implied.
*/
#ifndef XIO_H
#define XIO_H
#include "xbasic_types.h"
#include <asm/io.h>
typedef u32 XIo_Address;
extern inline u8
XIo_In8(XIo_Address InAddress)
{
return (u8) in_8((volatile unsigned char *) InAddress);
}
extern inline u16
XIo_In16(XIo_Address InAddress)
{
return (u16) in_be16((volatile unsigned short *) InAddress);
}
extern inline u32
XIo_In32(XIo_Address InAddress)
{
return (u32) in_be32((volatile unsigned *) InAddress);
}
extern inline void
XIo_Out8(XIo_Address OutAddress, u8 Value)
{
out_8((volatile unsigned char *) OutAddress, Value);
}
extern inline void
XIo_Out16(XIo_Address OutAddress, u16 Value)
{
out_be16((volatile unsigned short *) OutAddress, Value);
}
extern inline void
XIo_Out32(XIo_Address OutAddress, u32 Value)
{
out_be32((volatile unsigned *) OutAddress, Value);
}
#define XIo_ToLittleEndian16(s,d) (*(u16*)(d) = cpu_to_le16((u16)(s)))
#define XIo_ToLittleEndian32(s,d) (*(u32*)(d) = cpu_to_le32((u32)(s)))
#define XIo_ToBigEndian16(s,d) (*(u16*)(d) = cpu_to_be16((u16)(s)))
#define XIo_ToBigEndian32(s,d) (*(u32*)(d) = cpu_to_be32((u32)(s)))
#define XIo_FromLittleEndian16(s,d) (*(u16*)(d) = le16_to_cpu((u16)(s)))
#define XIo_FromLittleEndian32(s,d) (*(u32*)(d) = le32_to_cpu((u32)(s)))
#define XIo_FromBigEndian16(s,d) (*(u16*)(d) = be16_to_cpu((u16)(s)))
#define XIo_FromBigEndian32(s,d) (*(u32*)(d) = be32_to_cpu((u32)(s)))
#endif /* XIO_H */

392
include/asm-microblaze/bitops.h Normal file
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@ -0,0 +1,392 @@
#ifndef _MICROBLAZE_BITOPS_H
#define _MICROBLAZE_BITOPS_H
/*
* Copyright 1992, Linus Torvalds.
*/
#include <linux/config.h>
#include <asm/byteorder.h> /* swab32 */
#include <asm/system.h> /* save_flags */
#ifdef __KERNEL__
/*
* Function prototypes to keep gcc -Wall happy
*/
/*
* The __ functions are not atomic
*/
extern void set_bit(int nr, volatile void * addr);
extern void __set_bit(int nr, volatile void * addr);
extern void clear_bit(int nr, volatile void * addr);
#define __clear_bit(nr, addr) clear_bit(nr, addr)
extern void change_bit(int nr, volatile void * addr);
extern void __change_bit(int nr, volatile void * addr);
extern int test_and_set_bit(int nr, volatile void * addr);
extern int __test_and_set_bit(int nr, volatile void * addr);
extern int test_and_clear_bit(int nr, volatile void * addr);
extern int __test_and_clear_bit(int nr, volatile void * addr);
extern int test_and_change_bit(int nr, volatile void * addr);
extern int __test_and_change_bit(int nr, volatile void * addr);
extern int __constant_test_bit(int nr, const volatile void * addr);
extern int __test_bit(int nr, volatile void * addr);
extern int find_first_zero_bit(void * addr, unsigned size);
extern int find_next_zero_bit (void * addr, int size, int offset);
/*
* ffz = Find First Zero in word. Undefined if no zero exists,
* so code should check against ~0UL first..
*/
extern __inline__ unsigned long ffz(unsigned long word)
{
unsigned long result = 0;
while(word & 1) {
result++;
word >>= 1;
}
return result;
}
extern __inline__ void set_bit(int nr, volatile void * addr)
{
int * a = (int *) addr;
int mask;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
save_flags_cli(flags);
*a |= mask;
restore_flags(flags);
}
extern __inline__ void __set_bit(int nr, volatile void * addr)
{
int * a = (int *) addr;
int mask;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
*a |= mask;
}
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
extern __inline__ void clear_bit(int nr, volatile void * addr)
{
int * a = (int *) addr;
int mask;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
save_flags_cli(flags);
*a &= ~mask;
restore_flags(flags);
}
extern __inline__ void change_bit(int nr, volatile void * addr)
{
int mask;
unsigned long flags;
unsigned long *ADDR = (unsigned long *) addr;
ADDR += nr >> 5;
mask = 1 << (nr & 31);
save_flags_cli(flags);
*ADDR ^= mask;
restore_flags(flags);
}
extern __inline__ void __change_bit(int nr, volatile void * addr)
{
int mask;
unsigned long *ADDR = (unsigned long *) addr;
ADDR += nr >> 5;
mask = 1 << (nr & 31);
*ADDR ^= mask;
}
extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
save_flags_cli(flags);
retval = (mask & *a) != 0;
*a |= mask;
restore_flags(flags);
return retval;
}
extern __inline__ int __test_and_set_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
retval = (mask & *a) != 0;
*a |= mask;
return retval;
}
extern __inline__ int test_and_clear_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
save_flags_cli(flags);
retval = (mask & *a) != 0;
*a &= ~mask;
restore_flags(flags);
return retval;
}
extern __inline__ int __test_and_clear_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
retval = (mask & *a) != 0;
*a &= ~mask;
return retval;
}
extern __inline__ int test_and_change_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
save_flags_cli(flags);
retval = (mask & *a) != 0;
*a ^= mask;
restore_flags(flags);
return retval;
}
extern __inline__ int __test_and_change_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
retval = (mask & *a) != 0;
*a ^= mask;
return retval;
}
/*
* This routine doesn't need to be atomic.
*/
extern __inline__ int __constant_test_bit(int nr, const volatile void * addr)
{
return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
}
extern __inline__ int __test_bit(int nr, volatile void * addr)
{
int * a = (int *) addr;
int mask;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
return ((mask & *a) != 0);
}
#define test_bit(nr,addr) \
(__builtin_constant_p(nr) ? \
__constant_test_bit((nr),(addr)) : \
__test_bit((nr),(addr)))
#define find_first_zero_bit(addr, size) \
find_next_zero_bit((addr), (size), 0)
extern __inline__ int find_next_zero_bit (void * addr, int size, int offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
unsigned long tmp;
if (offset >= size)
return size;
size -= result;
offset &= 31UL;
if (offset) {
tmp = *(p++);
tmp |= ~0UL >> (32-offset);
if (size < 32)
goto found_first;
if (~tmp)
goto found_middle;
size -= 32;
result += 32;
}
while (size & ~31UL) {
if (~(tmp = *(p++)))
goto found_middle;
result += 32;
size -= 32;
}
if (!size)
return result;
tmp = *p;
found_first:
tmp |= ~0UL >> size;
found_middle:
return result + ffz(tmp);
}
#define ffs(x) generic_ffs(x)
/*
* hweightN: returns the hamming weight (i.e. the number
* of bits set) of a N-bit word
*/
#define hweight32(x) generic_hweight32(x)
#define hweight16(x) generic_hweight16(x)
#define hweight8(x) generic_hweight8(x)
extern __inline__ int ext2_set_bit(int nr, volatile void * addr)
{
int mask, retval;
unsigned long flags;
volatile unsigned char *ADDR = (unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
save_flags_cli(flags);
retval = (mask & *ADDR) != 0;
*ADDR |= mask;
restore_flags(flags);
return retval;
}
extern __inline__ int ext2_clear_bit(int nr, volatile void * addr)
{
int mask, retval;
unsigned long flags;
volatile unsigned char *ADDR = (unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
save_flags_cli(flags);
retval = (mask & *ADDR) != 0;
*ADDR &= ~mask;
restore_flags(flags);
return retval;
}
extern __inline__ int ext2_test_bit(int nr, const volatile void * addr)
{
int mask;
const volatile unsigned char *ADDR = (const unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
return ((mask & *ADDR) != 0);
}
#define ext2_find_first_zero_bit(addr, size) \
ext2_find_next_zero_bit((addr), (size), 0)
extern __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
unsigned long tmp;
if (offset >= size)
return size;
size -= result;
offset &= 31UL;
if(offset) {
/* We hold the little endian value in tmp, but then the
* shift is illegal. So we could keep a big endian value
* in tmp, like this:
*
* tmp = __swab32(*(p++));
* tmp |= ~0UL >> (32-offset);
*
* but this would decrease preformance, so we change the
* shift:
*/
tmp = *(p++);
tmp |= __swab32(~0UL >> (32-offset));
if(size < 32)
goto found_first;
if(~tmp)
goto found_middle;
size -= 32;
result += 32;
}
while(size & ~31UL) {
if(~(tmp = *(p++)))
goto found_middle;
result += 32;
size -= 32;
}
if(!size)
return result;
tmp = *p;
found_first:
/* tmp is little endian, so we would have to swab the shift,
* see above. But then we have to swab tmp below for ffz, so
* we might as well do this here.
*/
return result + ffz(__swab32(tmp) | (~0UL << size));
found_middle:
return result + ffz(__swab32(tmp));
}
/* Bitmap functions for the minix filesystem. */
#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
#define minix_set_bit(nr,addr) set_bit(nr,addr)
#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
#define minix_test_bit(nr,addr) test_bit(nr,addr)
#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
/**
* hweightN - returns the hamming weight of a N-bit word
* @x: the word to weigh
*
* The Hamming Weight of a number is the total number of bits set in it.
*/
#define hweight32(x) generic_hweight32(x)
#define hweight16(x) generic_hweight16(x)
#define hweight8(x) generic_hweight8(x)
#endif /* __KERNEL__ */
#endif /* _MICROBLAZE_BITOPS_H */

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/*
* include/asm-microblaze/byteorder.h -- Endian id and conversion ops
*
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
* Copyright (C) 2001 NEC Corporation
* Copyright (C) 2001 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_BYTEORDER_H__
#define __MICROBLAZE_BYTEORDER_H__
#include <asm/types.h>
#ifdef __GNUC__
/* This is effectively a dupe of the arch-independent byteswap
code in include/linux/byteorder/swab.h, however we force a cast
of the result up to 32 bits. This in turn forces the compiler
to explicitly clear the high 16 bits, which it wasn't doing otherwise.
I think this is a symptom of a bug in mb-gcc. JW 20040303
*/
static __inline__ __const__ __u16 ___arch__swab16 (__u16 half_word)
{
/* 32 bit temp to cast result, forcing clearing of high word */
__u32 temp;
temp = ((half_word & 0x00FFU) << 8) | ((half_word & 0xFF00U) >> 8);
return (__u16) temp;
}
#define __arch__swab16(x) ___arch__swab16(x)
/* Microblaze has no arch-specific endian conversion insns */
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#endif /* __GNUC__ */
#include <linux/byteorder/big_endian.h>
#endif /* __MICROBLAZE_BYTEORDER_H__ */

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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
/*
* 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 have_console; /* serial_init() was called */
unsigned long reloc_off; /* Relocation Offset */
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_valid; /* Checksum of Environment valid? */
unsigned long fb_base; /* base address of frame buffer */
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 ("r31")
#endif /* __ASM_GBL_DATA_H */

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/*
* include/asm-microblaze/io.h -- Misc I/O operations
*
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
* Copyright (C) 2001,02 NEC Corporation
* Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_IO_H__
#define __MICROBLAZE_IO_H__
#define IO_SPACE_LIMIT 0xFFFFFFFF
#define readb(addr) \
({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
#define readw(addr) \
({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
#define readl(addr) \
({ unsigned long __v = (*(volatile unsigned long *) (addr)); __v; })
#define writeb(b, addr) \
(void)((*(volatile unsigned char *) (addr)) = (b))
#define writew(b, addr) \
(void)((*(volatile unsigned short *) (addr)) = (b))
#define writel(b, addr) \
(void)((*(volatile unsigned int *) (addr)) = (b))
#define memset_io(a,b,c) memset((void *)(a),(b),(c))
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
#define inb(addr) readb (addr)
#define inw(addr) readw (addr)
#define inl(addr) readl (addr)
#define outb(x, addr) ((void) writeb (x, addr))
#define outw(x, addr) ((void) writew (x, addr))
#define outl(x, addr) ((void) writel (x, addr))
/* Some #definitions to keep strange Xilinx code happy */
#define in_8(addr) readb (addr)
#define in_be16(addr) readw (addr)
#define in_be32(addr) readl (addr)
#define out_8(addr,x ) outb (x,addr)
#define out_be16(addr,x ) outw (x,addr)
#define out_be32(addr,x ) outl (x,addr)
#define inb_p(port) inb((port))
#define outb_p(val, port) outb((val), (port))
#define inw_p(port) inw((port))
#define outw_p(val, port) outw((val), (port))
#define inl_p(port) inl((port))
#define outl_p(val, port) outl((val), (port))
/* Some defines to keep the MTD flash drivers happy */
#define __raw_readb readb
#define __raw_readw readw
#define __raw_readl readl
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
static inline void io_insb (unsigned long port, void *dst, unsigned long count)
{
unsigned char *p = dst;
while (count--)
*p++ = inb (port);
}
static inline void io_insw (unsigned long port, void *dst, unsigned long count)
{
unsigned short *p = dst;
while (count--)
*p++ = inw (port);
}
static inline void io_insl (unsigned long port, void *dst, unsigned long count)
{
unsigned long *p = dst;
while (count--)
*p++ = inl (port);
}
static inline void
io_outsb (unsigned long port, const void *src, unsigned long count)
{
const unsigned char *p = src;
while (count--)
outb (*p++, port);
}
static inline void
io_outsw (unsigned long port, const void *src, unsigned long count)
{
const unsigned short *p = src;
while (count--)
outw (*p++, port);
}
static inline void
io_outsl (unsigned long port, const void *src, unsigned long count)
{
const unsigned long *p = src;
while (count--)
outl (*p++, port);
}
#define outsb(a,b,l) io_outsb(a,b,l)
#define outsw(a,b,l) io_outsw(a,b,l)
#define outsl(a,b,l) io_outsl(a,b,l)
#define insb(a,b,l) io_insb(a,b,l)
#define insw(a,b,l) io_insw(a,b,l)
#define insl(a,b,l) io_insl(a,b,l)
#define iounmap(addr) ((void)0)
#define ioremap(physaddr, size) (physaddr)
#define ioremap_nocache(physaddr, size) (physaddr)
#define ioremap_writethrough(physaddr, size) (physaddr)
#define ioremap_fullcache(physaddr, size) (physaddr)
#endif /* __MICROBLAZE_IO_H__ */

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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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>
#ifdef CONFIG_SUZAKU
#include <asm/suzaku.h>
#endif

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/*
* include/asm-microblaze/posix_types.h -- Kernel versions of standard types
*
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
* Copyright (C) 2001,2002 NEC Corporation
* Copyright (C) 2001,2002 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_POSIX_TYPES_H__
#define __MICROBLAZE_POSIX_TYPES_H__
#include <asm/bitops.h>
typedef unsigned int __kernel_dev_t;
typedef unsigned long __kernel_ino_t;
typedef unsigned long long __kernel_ino64_t;
typedef unsigned int __kernel_mode_t;
typedef unsigned int __kernel_nlink_t;
typedef long __kernel_off_t;
typedef long long __kernel_loff_t;
typedef int __kernel_pid_t;
typedef unsigned short __kernel_ipc_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 int __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 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 short __kernel_old_uid_t;
typedef unsigned short __kernel_old_gid_t;
typedef struct {
#if defined(__KERNEL__) || defined(__USE_ALL)
int val[2];
#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
int __val[2];
#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
} __kernel_fsid_t;
#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
#undef __FD_SET
#define __FD_SET(fd, fd_set) \
__set_bit (fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits)
#undef __FD_CLR
#define __FD_CLR(fd, fd_set) \
__clear_bit (fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits)
#undef __FD_ISSET
#define __FD_ISSET(fd, fd_set) \
__test_bit (fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits)
#undef __FD_ZERO
#define __FD_ZERO(fd_set) \
memset (fd_set, 0, sizeof (*(fd_set *)fd_set))
#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
#endif /* __MICROBLAZE_POSIX_TYPES_H__ */

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/*
* include/asm-microblaze/ptrace.h -- Access to CPU registers
*
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
* Copyright (C) 2001,2002 NEC Corporation
* Copyright (C) 2001,2002 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_PTRACE_H__
#define __MICROBLAZE_PTRACE_H__
/* Microblaze general purpose registers with special meanings. */
#define GPR_ZERO 0 /* constant zero */
#define GPR_ASM 18 /* reserved for assembler */
#define GPR_SP 1 /* stack pointer */
#define GPR_GP 2 /* global data pointer */
#define GPR_EP 30 /* `element pointer' */
#define GPR_LP 15 /* link pointer (current return address) */
/* These aren't official names, but they make some code more descriptive. */
#define GPR_ARG0 5
#define GPR_ARG1 6
#define GPR_ARG2 7
#define GPR_ARG3 8
#define GPR_ARG4 9
#define GPR_ARG5 10
#define GPR_RVAL0 3
#define GPR_RVAL1 4
#define GPR_RVAL GPR_RVAL0
#define NUM_GPRS 32
/* `system' registers. */
/* Note these are old v850 values, microblaze has many fewer */
#define SR_EIPC 0
#define SR_EIPSW 1
#define SR_FEPC 2
#define SR_FEPSW 3
#define SR_ECR 4
#define SR_PSW 5
#define SR_CTPC 16
#define SR_CTPSW 17
#define SR_DBPC 18
#define SR_DBPSW 19
#define SR_CTBP 20
#define SR_DIR 21
#define SR_ASID 23
#ifndef __ASSEMBLY__
typedef unsigned long microblaze_reg_t;
/* How processor state is stored on the stack during a syscall/signal.
If you change this structure, change the associated assembly-language
macros below too (PT_*)! */
struct pt_regs
{
/* General purpose registers. */
microblaze_reg_t gpr[NUM_GPRS];
microblaze_reg_t pc; /* program counter */
microblaze_reg_t psw; /* program status word */
microblaze_reg_t kernel_mode; /* 1 if in `kernel mode', 0 if user mode */
microblaze_reg_t single_step; /* 1 if in single step mode */
};
#define instruction_pointer(regs) ((regs)->pc)
#define user_mode(regs) (!(regs)->kernel_mode)
/* When a struct pt_regs is used to save user state for a system call in
the kernel, the system call is stored in the space for R0 (since it's
never used otherwise, R0 being a constant 0). Non-system-calls
simply store 0 there. */
#define PT_REGS_SYSCALL(regs) (regs)->gpr[0]
#define PT_REGS_SET_SYSCALL(regs, val) ((regs)->gpr[0] = (val))
#endif /* !__ASSEMBLY__ */
/* The number of bytes used to store each register. */
#define _PT_REG_SIZE 4
/* Offset of a general purpose register in a stuct pt_regs. */
#define PT_GPR(num) ((num) * _PT_REG_SIZE)
/* Offsets of various special registers & fields in a struct pt_regs. */
#define NUM_SPECIAL 4
#define PT_PC ((NUM_GPRS + 0) * _PT_REG_SIZE)
#define PT_PSW ((NUM_GPRS + 1) * _PT_REG_SIZE)
#define PT_KERNEL_MODE ((NUM_GPRS + 2) * _PT_REG_SIZE)
#define PT_SINGLESTEP ((NUM_GPRS + 3) * _PT_REG_SIZE)
#define PT_SYSCALL PT_GPR(0)
/* Size of struct pt_regs, including alignment. */
#define PT_SIZE ((NUM_GPRS + NUM_SPECIAL) * _PT_REG_SIZE)
/* These are `magic' values for PTRACE_PEEKUSR that return info about where
a process is located in memory. */
#define PT_TEXT_ADDR (PT_SIZE + 1)
#define PT_TEXT_LEN (PT_SIZE + 2)
#define PT_DATA_ADDR (PT_SIZE + 3)
#define PT_DATA_LEN (PT_SIZE + 4)
#endif /* __MICROBLAZE_PTRACE_H__ */

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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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 <asm/arch/xuartlite_l.h>

31
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/*
* include/asm-microblaze/string.h -- Architecture specific string routines
*
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
* Copyright (C) 2001,2002 NEC Corporation
* Copyright (C) 2001,2002 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_STRING_H__
#define __MICROBLAZE_STRING_H__
#if 0
#define __HAVE_ARCH_BCOPY
#define __HAVE_ARCH_MEMCPY
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_MEMMOVE
extern void *memcpy (void *, const void *, __kernel_size_t);
extern void bcopy (const char *, char *, int);
extern void *memset (void *, int, __kernel_size_t);
extern void *memmove (void *, const void *, __kernel_size_t);
#endif
#endif /* __MICROBLAZE_STRING_H__ */

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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
*/
/* EMPTY FILE */

161
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/*
* include/asm-microblaze/system.h -- Low-level interrupt/thread ops
*
* Copyright (C) 2003 John Williams (jwilliams@itee.uq.edu.au)
* based upon microblaze version
* Copyright (C) 2001 NEC Corporation
* Copyright (C) 2001 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
* Microblaze port by John Williams
* Microblaze port by John Williams
*/
#ifndef __MICROBLAZE_SYSTEM_H__
#define __MICROBLAZE_SYSTEM_H__
#if 0
#include <linux/linkage.h>
#endif
#include <asm/ptrace.h>
#define prepare_to_switch() do { } while (0)
/*
* switch_to(n) should switch tasks to task ptr, first checking that
* ptr isn't the current task, in which case it does nothing.
*/
struct thread_struct;
extern void *switch_thread (struct thread_struct *last,
struct thread_struct *next);
#define switch_to(prev,next,last) do { \
if (prev != next) { \
(last) = switch_thread (&prev->thread, &next->thread); \
} \
} while (0)
/* Enable/disable interrupts. */
#define __sti() \
{ \
register unsigned tmp; \
__asm__ __volatile__ (" \
mfs %0, rmsr; \
ori %0, %0, 2; \
mts rmsr, %0" \
: "=r" (tmp) \
: \
: "memory"); \
}
#define __cli() \
{ \
register unsigned tmp; \
__asm__ __volatile__ (" \
mfs %0, rmsr; \
andi %0, %0, ~2; \
mts rmsr, %0" \
: "=r" (tmp) \
: \
: "memory"); \
}
#define __save_flags(flags) \
__asm__ __volatile__ ("mfs %0, rmsr" : "=r" (flags))
#define __restore_flags(flags) \
__asm__ __volatile__ ("mts rmsr, %0" :: "r" (flags))
#define __save_flags_cli(flags) \
{ \
register unsigned tmp; \
__asm__ __volatile__ (" \
mfs %0, rmsr; \
andi %1, %0, ~2; \
mts rmsr, %1;" \
: "=r" (flags), "=r" (tmp) \
: \
: "memory"); \
}
#define __save_flags_sti(flags) \
{ \
register unsigned tmp; \
__asm__ __volatile__ (" \
mfs %0, rmsr; \
ori %1, %0, 2; \
mts rmsr, %1;" \
: "=r" (flags) ,"=r" (tmp) \
: \
: "memory"); \
}
/* For spinlocks etc */
#define local_irq_save(flags) __save_flags_cli (flags)
#define local_irq_set(flags) __save_flags_sti (flags)
#define local_irq_restore(flags) __restore_flags (flags)
#define local_irq_disable() __cli ()
#define local_irq_enable() __sti ()
#define cli() __cli ()
#define sti() __sti ()
#define save_flags(flags) __save_flags (flags)
#define restore_flags(flags) __restore_flags (flags)
#define save_flags_cli(flags) __save_flags_cli (flags)
/*
* Force strict CPU ordering.
* Not really required on microblaze...
*/
#define nop() __asm__ __volatile__ ("nop")
#define mb() __asm__ __volatile__ ("nop" ::: "memory")
#define rmb() mb ()
#define wmb() mb ()
#define set_mb(var, value) do { var = value; mb(); } while (0)
#define set_wmb(var, value) do { var = value; wmb (); } while (0)
#ifdef CONFIG_SMP
#define smp_mb() mb ()
#define smp_rmb() rmb ()
#define smp_wmb() wmb ()
#else
#define smp_mb() barrier ()
#define smp_rmb() barrier ()
#define smp_wmb() barrier ()
#endif
#define xchg(ptr, with) \
((__typeof__ (*(ptr)))__xchg ((unsigned long)(with), (ptr), sizeof (*(ptr))))
#define tas(ptr) (xchg ((ptr), 1))
extern inline unsigned long __xchg (unsigned long with,
__volatile__ void *ptr, int size)
{
unsigned long tmp, flags;
save_flags_cli (flags);
switch (size) {
case 1:
tmp = *(unsigned char *)ptr;
*(unsigned char *)ptr = with;
break;
case 2:
tmp = *(unsigned short *)ptr;
*(unsigned short *)ptr = with;
break;
case 4:
tmp = *(unsigned long *)ptr;
*(unsigned long *)ptr = with;
break;
}
restore_flags (flags);
return tmp;
}
#endif /* __MICROBLAZE_SYSTEM_H__ */

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#ifndef _ASM_TYPES_H
#define _ASM_TYPES_H
/*
* This file is never included by application software unless
* explicitly requested (e.g., via linux/types.h) in which case the
* application is Linux specific so (user-) name space pollution is
* not a major issue. However, for interoperability, libraries still
* need to be careful to avoid a name clashes.
*/
typedef unsigned short umode_t;
/*
* __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
* header files exported to user space
*/
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
/*
* These aren't exported outside the kernel to avoid name space clashes
*/
#ifdef __KERNEL__
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 /* _ASM_TYPES_H */

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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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 _U_BOOT_H_
#define _U_BOOT_H_
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_ip_addr; /* IP Address */
unsigned char bi_enetaddr[6]; /* Ethernet adress */
unsigned long bi_baudrate; /* Console Baudrate */
} bd_t;
#endif /* _U_BOOT_H_ */

90
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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
/*
* If we are developing, we might want to start armboot from ram
* so we MUST NOT initialize critical regs like mem-timing ...
*/
#define CONFIG_INIT_CRITICAL /* undef for developing */
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MICROBLZE 1 /* This is an MicroBlaze CPU */
#define CONFIG_SUZAKU 1 /* on an SUZAKU Board */
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x80000000
#define CFG_SDRAM_SIZE 0x01000000
#define CFG_FLASH_BASE 0xfff00000
#define CFG_RESET_ADDRESS 0xfff00100
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_SDRAM_BASE + CFG_SDRAM_SIZE - (1024 * 1024))
#define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc */
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 115200 }
#define CONFIG_COMMANDS (CONFIG__CMD_DFL)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CFG_UART1_BASE (0xFFFF2000)
#define CONFIG_SERIAL_BASE CFG_UART1_BASE
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "SUZAKU> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_LOAD_ADDR CFG_SDRAM_BASE /* default load address */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 1 /* max number of sectors on one chip */
/*-----------------------------------------------------------------------
* NVRAM organization
*/
#define CFG_ENV_IS_NOWHERE 1
#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
#endif /* __CONFIG_H */

5
include/image.h
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@ -64,8 +64,9 @@
#define IH_CPU_SH 9 /* SuperH */
#define IH_CPU_SPARC 10 /* Sparc */
#define IH_CPU_SPARC64 11 /* Sparc 64 Bit */
#define IH_CPU_M68K 12 /* M68K */
#define IH_CPU_NIOS 13 /* Nios-32 */
#define IH_CPU_M68K 12 /* M68K */
#define IH_CPU_NIOS 13 /* Nios-32 */
#define IH_CPU_MICROBLAZE 14 /* MicroBlaze */
/*
* Image Types

44
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#
# (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 $(TOPDIR)/config.mk
LIB = lib$(ARCH).a
AOBJS =
COBJS = board.o microblaze_linux.o time.o
OBJS = $(AOBJS) $(COBJS)
$(LIB): .depend $(OBJS)
$(AR) crv $@ $(OBJS)
#########################################################################
.depend: Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c)
$(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@
sinclude .depend
#########################################################################

76
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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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 <version.h>
const char version_string[] =
U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
/*
* Begin and End of memory area for malloc(), and current "brk"
*/
static ulong mem_malloc_start;
static ulong mem_malloc_end;
static ulong mem_malloc_brk;
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);
}
/*
* 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);
init_fnc_t *init_sequence[] = {
serial_init, /* serial communications setup */
NULL,
};
void hang (void)
{
puts ("### ERROR ### Please RESET the board ###\n");
for (;;);
}

31
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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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>
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
{
}

27
lib_microblaze/time.c Normal file
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/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <yashi@atmark-techno.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
*/
void udelay(unsigned long usec)
{
}

35
microblaze_config.mk Normal file
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#
# (C) Copyright 2004 Atmark Techno, Inc.
#
# Yasushi SHOJI <yashi@atmark-techno.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
#
ifdef CONFIG_MICROBLAZE_HARD_MULT
PLATFORM_CPPFLAGS += -mno-xl-soft-mul
endif
ifdef CONFIG_MICROBLAZE_HARD_DIV
PLATFORM_CPPFLAGS += -mno-xl-soft-div
endif
ifdef CONFIG_MICROBLAZE_HARD_BARREL
PLATFORM_CPPFLAGS += -mxl-barrel-shift
endif