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Add M5271EVB board support.

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This commit is contained in:
Marian Balakowicz 2006-05-09 11:54:44 +02:00
parent 6f5155a95c
commit 78b123cd69
9 changed files with 497 additions and 2 deletions
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2
CHANGELOG
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@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
* Add M5271EVB board support.
* Make R5200 specific low level initialization board conditional.
* Update CPU target identification strings for Coldfire family.

2
MAKEALL
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@ -277,7 +277,7 @@ LIST_microblaze="suzaku"
## ColdFire Systems
#########################################################################
LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200"
LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200 M5271EVB"
#-----------------------------------------------------------------------

3
Makefile
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@ -1318,6 +1318,9 @@ TASREG_config : unconfig
r5200_config : unconfig
@./mkconfig $(@:_config=) m68k mcf52x2 r5200
M5271EVB_config : unconfig
@./mkconfig $(@:_config=) m68k mcf52x2 m5271evb
#########################################################################
## MPC83xx Systems
#########################################################################

40
board/m5271evb/Makefile Normal file
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@ -0,0 +1,40 @@
#
# (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 $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).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
#########################################################################

25
board/m5271evb/config.mk Normal file
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@ -0,0 +1,25 @@
#
# (C) Copyright 2000-2006
# 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

125
board/m5271evb/m5271evb.c Normal file
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@ -0,0 +1,125 @@
/*
* (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 <common.h>
#include <asm/m5271.h>
#include <asm/immap_5271.h>
int checkboard (void) {
puts ("Board: Freescale M5271EVB\n");
return 0;
};
long int initdram (int board_type) {
int i;
/* Enable Address lines 23-21 and lower 16bits of data path */
mbar_writeByte(MCF_GPIO_PAR_AD, MCF_GPIO_AD_ADDR23 |
MCF_GPIO_AD_ADDR22 | MCF_GPIO_AD_ADDR21 |
MCF_GPIO_AD_DATAL);
/* Set CS2 pin to be SD_CS0 */
mbar_writeByte(MCF_GPIO_PAR_CS, mbar_readByte(MCF_GPIO_PAR_CS)
| MCF_GPIO_PAR_CS_PAR_CS2);
/* Configure SDRAM Control Pin Assignemnt Register */
mbar_writeByte(MCF_GPIO_PAR_SDRAM, MCF_GPIO_SDRAM_CSSDCS_00 |
MCF_GPIO_SDRAM_SDWE | MCF_GPIO_SDRAM_SCAS |
MCF_GPIO_SDRAM_SRAS | MCF_GPIO_SDRAM_SCKE |
MCF_GPIO_SDRAM_SDCS_11);
/*
* Check to see if the SDRAM has already been initialized
* by a run control tool
*/
if (!(mbar_readLong(MCF_SDRAMC_DACR0) & MCF_SDRAMC_DACRn_RE))
{
/* Initialize DRAM Control Register: DCR */
mbar_writeShort(MCF_SDRAMC_DCR,
MCF_SDRAMC_DCR_RTIM(0x01)
| MCF_SDRAMC_DCR_RC(0x30));
/*
* Initialize DACR0
*
* CASL: 01
* CBM: cmd at A20, bank select bits 21 and up
* PS: 32bit port size
*/
mbar_writeLong(MCF_SDRAMC_DACR0,
MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18)
| MCF_SDRAMC_DACRn_CASL(1)
| MCF_SDRAMC_DACRn_CBM(3)
| MCF_SDRAMC_DACRn_PS(0));
/* Initialize DMR0 */
mbar_writeLong(MCF_SDRAMC_DMR0,
MCF_SDRAMC_DMRn_BAM_16M
| MCF_SDRAMC_DMRn_V);
/* Set IP bit in DACR */
mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
| MCF_SDRAMC_DACRn_IP);
/* Wait at least 20ns to allow banks to precharge */
for (i = 0; i < 5; i++)
asm(" nop");
/* Write to this block to initiate precharge */
*(u32 *)(CFG_SDRAM_BASE) = 0xa5a5a5a5;
/* Set RE bit in DACR */
mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
| MCF_SDRAMC_DACRn_RE);
/* Wait for at least 8 auto refresh cycles to occur */
for (i = 0; i < 2000; i++)
asm(" nop");
/* Finish the configuration by issuing the MRS */
mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
| MCF_SDRAMC_DACRn_MRS);
/*
* Write to the SDRAM Mode Register A0-A11 = 0x400
*
* Write Burst Mode = Programmed Burst Length
* Op Mode = Standard Op
* CAS Latency = 2
* Burst Type = Sequential
* Burst Length = 1
*/
*(u32 *)(CFG_SDRAM_BASE + 0x400) = 0xa5a5a5a5;
}
return CFG_SDRAM_SIZE * 1024 * 1024;
};
int testdram (void) {
/* TODO: XXX XXX XXX */
printf ("DRAM test not implemented!\n");
return (0);
}

145
board/m5271evb/u-boot.lds Normal file
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@ -0,0 +1,145 @@
/*
* (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; */
GROUP(libgcc.a)
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 (.ppcenv)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.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 = .);
}

3
common/environment.c
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@ -59,7 +59,8 @@
defined(CONFIG_TQM8xxL) || \
defined(CONFIG_RRVISION) || \
defined(CONFIG_TRAB) || \
defined(CONFIG_PPCHAMELEONEVB) ) && \
defined(CONFIG_PPCHAMELEONEVB) || \
defined(CONFIG_M5271EVB)) && \
defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */
/* XXX - This only works with GNU C */
# define __PPCENV__ __attribute__ ((section(".ppcenv")))

154
include/configs/M5271EVB.h Normal file
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@ -0,0 +1,154 @@
/*
* Configuation settings for the Freescale M5271EVB
*
* Based on MC5272C3 and r5200 board configs
* (C) Copyright 2006 Lab X Technologies <zachary.landau@labxtechnologies.com>
* (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.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
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef _M5271EVB_H
#define _M5271EVB_H
#define DEBUG
#undef DEBUG
/*
* High Level Configuration Options (easy to change)
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5271 /* define processor type */
#define CONFIG_M5271EVB /* define board type */
#define CONFIG_IPADDR 192.168.30.1
#define CONFIG_SERVERIP 192.168.1.1
#define CONFIG_ETHADDR 00:06:3b:01:41:55
#define CONFIG_BAUDRATE 19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
#undef CONFIG_WATCHDOG /* disable watchdog */
/* Configuration for environment
* Environment is embedded in u-boot in the second sector of the flash
*/
#ifndef CONFIG_MONITOR_IS_IN_RAM
#define CFG_ENV_OFFSET 0x4000
#define CFG_ENV_SECT_SIZE 0x2000
#define CFG_ENV_IS_IN_FLASH 1
#else
#define CFG_ENV_ADDR 0xffe04000
#define CFG_ENV_SECT_SIZE 0x2000
#define CFG_ENV_IS_IN_FLASH 1
#endif
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_NET ) & ~(CFG_CMD_LOADS | CFG_CMD_LOADB))
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CFG_PROMPT "=> "
#define CFG_LONGHELP /* undef to save memory */
#if (CONFIG_COMMANDS & CFG_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_LOAD_ADDR 0x00100000
#define CFG_MEMTEST_START 0x400
#define CFG_MEMTEST_END 0x380000
#define CFG_HZ 1000000
#define CFG_CLK 100000000
/*
* 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 0x40000000 /* Register Base Addrs */
/* Enable FEC ethernet */
#define FEC_ENET
#define CONFIG_NET_RETRY_COUNT 5
#define CFG_ENET_BD_BASE 0x480000
/*
* 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
/*
* 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 0xffe00000
#ifdef CONFIG_MONITOR_IS_IN_RAM
#define CFG_MONITOR_BASE 0x20000
#else
#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
#endif
#define CFG_MONITOR_LEN 0x40000
#define CFG_MALLOC_LEN (256 << 10)
#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 (8 << 20) /* Initial Memory map for Linux */
/* FLASH organization */
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 11 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 1000
#define CFG_FLASH_CFI 1
#define CFG_FLASH_CFI_DRIVER 1
#define CFG_FLASH_SIZE 0x200000
/* Cache Configuration */
#define CFG_CACHELINE_SIZE 16
/* Port configuration */
#define CFG_FECI2C 0xF0
#endif /* _M5271EVB_H */