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ColdFire: Add M5249EVB platform for MCF52x2 

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
This commit is contained in:
TsiChungLiew 2007-08-16 05:04:31 -05:00 committed by John Rigby
parent f28e1bd9da
commit a605aacd83
6 changed files with 527 additions and 0 deletions
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3
Makefile
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@ -1639,6 +1639,9 @@ ZPC1900_config: unconfig
## Coldfire
#########################################################################
M5249EVB_config : unconfig
@$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5249evb freescale
cobra5272_config : unconfig
@$(MKCONFIG) $(@:_config=) m68k mcf52x2 cobra5272

44
board/freescale/m5249evb/Makefile Normal file
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@ -0,0 +1,44 @@
#
# (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 = $(obj)lib$(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)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

25
board/freescale/m5249evb/config.mk Normal file
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@ -0,0 +1,25 @@
#
# (C) Copyright 2000-2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 = 0xffe00000

114
board/freescale/m5249evb/m5249evb.c Normal file
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@ -0,0 +1,114 @@
/*
* (C) Copyright 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 <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/immap.h>
/* Prototypes */
int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
int checkboard (void) {
ulong val;
uchar val8;
puts ("Board: ");
puts("Freescale M5249EVB");
val8 = ((uchar)~((uchar)mbar2_readLong(MCFSIM_GPIO1_READ) >> 4)) & 0xf;
printf(" (Switch=%1X)\n", val8);
/*
* Set LED on
*/
val = mbar2_readLong(MCFSIM_GPIO1_OUT) & ~CFG_GPIO1_LED;
mbar2_writeLong(MCFSIM_GPIO1_OUT, val); /* Set LED on */
return 0;
};
long int initdram (int board_type) {
unsigned long junk = 0xa5a59696;
/*
* Note:
* RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1
*/
#ifdef CFG_FAST_CLK
/*
* Busclk=70MHz, RefreshTime=64ms, #rows=4096 (4K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=39
*/
mbar_writeShort(MCFSIM_DCR, 0x8239);
#elif CFG_PLL_BYPASS
/*
* Busclk=5.6448MHz, RefreshTime=64ms, #rows=8192 (8K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=02
*/
mbar_writeShort(MCFSIM_DCR, 0x8202);
#else
/*
* Busclk=36MHz, RefreshTime=64ms, #rows=4096 (4K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=22 (562 bus clock cycles)
*/
mbar_writeShort(MCFSIM_DCR, 0x8222);
#endif
/*
* SDRAM starts at 0x0000_0000, CASL=10, CBM=010, PS=10 (16bit port),
* PM=1 (continuous page mode)
*/
/* RE=0 (keep auto-refresh disabled while setting up registers) */
mbar_writeLong(MCFSIM_DACR0, 0x00003324);
/* BAM=007c (bits 22,21 are bank selects; 256kB blocks) */
mbar_writeLong(MCFSIM_DMR0, 0x01fc0001);
/** Precharge sequence **/
mbar_writeLong(MCFSIM_DACR0, 0x0000332c); /* Set DACR0[IP] (bit 3) */
*((volatile unsigned long *) 0x00) = junk; /* write to a memory location to init. precharge */
udelay(0x10); /* Allow several Precharge cycles */
/** Refresh Sequence **/
mbar_writeLong(MCFSIM_DACR0, 0x0000b324); /* Enable the refresh bit, DACR0[RE] (bit 15) */
udelay(0x7d0); /* Allow gobs of refresh cycles */
/** Mode Register initialization **/
mbar_writeLong(MCFSIM_DACR0, 0x0000b364); /* Enable DACR0[IMRS] (bit 6); RE remains enabled */
*((volatile unsigned long *) 0x800) = junk; /* Access RAM to initialize the mode register */
return CFG_SDRAM_SIZE * 1024 * 1024;
};
int testdram (void) {
/* TODO: XXX XXX XXX */
printf ("DRAM test not implemented!\n");
return (0);
}

146
board/freescale/m5249evb/u-boot.lds Normal file
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@ -0,0 +1,146 @@
/*
* (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
*/
OUTPUT_ARCH(m68k)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/mcf52x2/start.o (.text)
lib_m68k/traps.o (.text)
cpu/mcf52x2/interrupts.o (.text)
common/dlmalloc.o (.text)
lib_generic/zlib.o (.text)
. = DEFINED(env_offset) ? env_offset : .;
common/environment.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
*(.eh_frame)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
__got_start = .;
*(.got)
__got_end = .;
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = .;
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
_sbss = .;
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(4);
_ebss = .;
}
_end = . ;
PROVIDE (end = .);
}

195
include/configs/M5249EVB.h Normal file
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@ -0,0 +1,195 @@
/*
* Configuation settings for the esd TASREG board.
*
* (C) Copyright 2004
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef _M5249EVB_H
#define _M5249EVB_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5249 /* define processor type */
#define CONFIG_MCFTMR
#define CONFIG_MCFUART
#define CFG_UART_PORT (0)
#define CONFIG_BAUDRATE 19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
#undef CONFIG_WATCHDOG
#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
/*
* BOOTP options
*/
#undef CONFIG_BOOTP_BOOTFILESIZE
#undef CONFIG_BOOTP_BOOTPATH
#undef CONFIG_BOOTP_GATEWAY
#undef CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#undef CONFIG_CMD_NET
#define CFG_PROMPT "=> "
#define CFG_LONGHELP /* undef to save memory */
#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_DEVICE_NULLDEV 1 /* include nulldev device */
#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup */
#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
#define CONFIG_LOOPW 1 /* enable loopw command */
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
#define CFG_LOAD_ADDR 0x200000 /* default load address */
#define CFG_MEMTEST_START 0x400
#define CFG_MEMTEST_END 0x380000
#define CFG_HZ 1000
/*
* Clock configuration: enable only one of the following options
*/
#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
#define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */
#define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
#define CFG_MBAR 0x10000000 /* Register Base Addrs */
#define CFG_MBAR2 0x80000000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR 0x20000000
#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_OFFSET 0x4000 /* Address of Environment Sector*/
#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x2000 /* see README - env sector total size */
/*-----------------------------------------------------------------------
* 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 0x00000000
#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
#define CFG_FLASH_BASE (CFG_CSAR0 << 16)
#if 0 /* test-only */
#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
#endif
#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
#define CFG_MONITOR_LEN 0x20000
#define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
#define CFG_BOOTPARAMS_LEN 64*1024
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization ??
*/
#define CFG_BOOTMAPSZ (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20))
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_FLASH_CFI
#ifdef CFG_FLASH_CFI
# define CFG_FLASH_CFI_DRIVER 1
# define CFG_FLASH_SIZE 0x1000000 /* Max size that the board might have */
# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT
# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
# define CFG_FLASH_CHECKSUM
# define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
#endif
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16
/*-----------------------------------------------------------------------
* Memory bank definitions
*/
/* CS0 - AMD Flash, address 0xffc00000 */
#define CFG_CSAR0 0xffe0
#define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
#define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
/* CS1 - FPGA, address 0xe0000000 */
#define CFG_CSAR1 0xe000
#define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
#define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
/*-----------------------------------------------------------------------
* Port configuration
*/
#define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
#define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
#define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */
#define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */
#define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */
#define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
#define CFG_GPIO1_LED 0x00400000 /* user led */
#endif /* M5249 */