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b5dc9b304d
This patch adds support for the MX31ADS evaluation board from Freescale, initialization code is copied from RedBoot sources, also provided by Freescale. Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
167 lines
5.4 KiB
C
167 lines
5.4 KiB
C
/*
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* Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
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*
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* Configuration settings for the MX31ADS Freescale board.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include <asm/arch/mx31-regs.h>
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/* High Level Configuration Options */
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#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
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#define CONFIG_MX31 1 /* in a mx31 */
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#define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */
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#define CONFIG_MX31_CLK32 32000
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_DISPLAY_BOARDINFO
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/*
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* Disabled for now due to build problems under Debian and a significant increase
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* in the final file size: 144260 vs. 109536 Bytes.
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*/
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#if 0
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_FIT 1
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#define CONFIG_FIT_VERBOSE 1
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#endif
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#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS 1
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#define CONFIG_INITRD_TAG 1
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/*
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* Size of malloc() pool
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*/
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#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024)
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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/*
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* Hardware drivers
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*/
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#define CONFIG_MX31_UART 1
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#define CFG_MX31_UART1 1
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_CONS_INDEX 1
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#define CONFIG_BAUDRATE 115200
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#define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
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/***********************************************************
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* Command definition
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***********************************************************/
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#include <config_cmd_default.h>
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_PING
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_NETMASK 255.255.255.0
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#define CONFIG_IPADDR 192.168.23.168
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#define CONFIG_SERVERIP 192.168.23.2
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"bootargs_base=setenv bootargs console=ttymxc0,115200\0" \
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"bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \
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"bootcmd=run bootcmd_net\0" \
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"bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; tftpboot 0x80000000 uImage-mx31; bootm\0" \
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"prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; protect off 0xa0000000 0xa001ffff; erase 0xa0000000 0xa001ffff; cp.b 0x80000000 0xa0000000 $(filesize)\0"
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#define CONFIG_DRIVER_CS8900 1
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#define CS8900_BASE 0xb4020300
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#define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> "
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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/* Print Buffer Size */
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0 /* memtest works on */
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#define CFG_MEMTEST_END 0x10000
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#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
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#define CFG_LOAD_ADDR CSD0_BASE /* default load address */
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#define CFG_HZ 32000
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#define CONFIG_CMDLINE_EDITING 1
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/*-----------------------------------------------------------------------
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* Stack sizes
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*
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* The stack sizes are set up in start.S using the settings below
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*/
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#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
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/*-----------------------------------------------------------------------
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* Physical Memory Map
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define PHYS_SDRAM_1 CSD0_BASE
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#define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024)
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/*-----------------------------------------------------------------------
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* FLASH and environment organization
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*/
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#define CFG_FLASH_BASE CS0_BASE
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */
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#define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */
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#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128KiB */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_SECT_SIZE (32 * 1024)
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#define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
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/* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end.
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* The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors,
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* if we put environment next to it, we will have to occupy 128KiB for it.
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* Putting it at the top of flash we use only 32KiB. */
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#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 32 * 1024 * 1024 - CFG_ENV_SIZE)
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/*-----------------------------------------------------------------------
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* CFI FLASH driver setup
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*/
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#define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */
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#define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */
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#if 0 /* Doesn't work yet, work in progress */
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#define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */
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#endif
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#define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */
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/*
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* JFFS2 partitions
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*/
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#undef CONFIG_JFFS2_CMDLINE
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#define CONFIG_JFFS2_DEV "nor0"
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#endif /* __CONFIG_H */
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