mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
2d7237c92f
It is safe to turn on data and instruction caches for mx23. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
199 lines
6.1 KiB
C
199 lines
6.1 KiB
C
/*
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* Freescale i.MX23 EVK board config
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*
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* Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
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* on behalf of O.S. Systems Software LTDA.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, MA 02111-1307 USA
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*
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*/
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#ifndef __MX23EVK_CONFIG_H__
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#define __MX23EVK_CONFIG_H__
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/* SoC configurations */
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#define CONFIG_MX23 /* i.MX23 SoC */
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#include <asm/arch/regs-base.h>
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#define CONFIG_MXS_GPIO /* GPIO control */
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#define CONFIG_SYS_HZ 1000 /* Ticks per second */
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#define CONFIG_MACH_TYPE MACH_TYPE_MX23EVK
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_ARCH_MISC_INIT
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/* SPL */
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#define CONFIG_SPL
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#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
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#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_GPIO_SUPPORT
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/* U-Boot Commands */
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_NFS
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_DOS_PARTITION
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#define CONFIG_CMD_CACHE
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#define CONFIG_CMD_EXT2
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#define CONFIG_CMD_FAT
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#define CONFIG_CMD_GPIO
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#define CONFIG_CMD_MMC
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#define CONFIG_CMD_BOOTZ
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/* Memory configurations */
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#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
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#define PHYS_SDRAM_1 0x40000000 /* Base address */
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#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */
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#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
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#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
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#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
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#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
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/* Point initial SP in SRAM so SPL can use it too. */
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#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
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#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
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#define CONFIG_SYS_INIT_SP_OFFSET \
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(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
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/*
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* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
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* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
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* binary. In case there was more of this mess, 0x100 bytes are skipped.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x40000100
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#define CONFIG_ENV_OVERWRITE
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/* U-Boot general configurations */
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_SYS_PROMPT "=> "
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O buffer size */
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#define CONFIG_SYS_PBSIZE \
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Print buffer size */
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#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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/* Boot argument buffer size */
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#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
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#define CONFIG_AUTO_COMPLETE /* Command auto complete */
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#define CONFIG_CMDLINE_EDITING /* Command history etc */
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#define CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
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/* Serial Driver */
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#define CONFIG_PL011_SERIAL
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#define CONFIG_PL011_CLOCK 24000000
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#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_BAUDRATE 115200 /* Default baud rate */
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/* DMA */
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#define CONFIG_APBH_DMA
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/* MMC Driver */
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#ifdef CONFIG_CMD_MMC
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#define CONFIG_MMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_BOUNCE_BUFFER
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#define CONFIG_MXS_MMC
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#endif
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/* Boot Linux */
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_BOOTDELAY 1
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#define CONFIG_BOOTFILE "uImage"
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#define CONFIG_LOADADDR 0x42000000
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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#define CONFIG_OF_LIBFDT
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/* Environment */
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#define CONFIG_ENV_IS_IN_MMC
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#ifdef CONFIG_ENV_IS_IN_MMC
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#define CONFIG_ENV_OFFSET (256 * 1024)
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#define CONFIG_ENV_SIZE (16 * 1024)
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#endif
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/* Extra Environments */
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"update_sd_firmware_filename=u-boot.sd\0" \
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"update_sd_firmware=" /* Update the SD firmware partition */ \
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"if mmc rescan ; then " \
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"if tftp ${update_sd_firmware_filename} ; then " \
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"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
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"setexpr fw_sz ${fw_sz} + 1 ; " \
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"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
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"fi ; " \
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"fi\0" \
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"script=boot.scr\0" \
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"uimage=uImage\0" \
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"console=ttyAMA0\0" \
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"fdt_file=imx23-evk.dtb\0" \
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"fdt_addr=0x41000000\0" \
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"boot_fdt=try\0" \
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"mmcdev=0\0" \
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"mmcpart=2\0" \
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"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
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"mmcargs=setenv bootargs console=${console},${baudrate} " \
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"root=${mmcroot}\0" \
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"loadbootscript=" \
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"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"source\0" \
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"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
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"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
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"if run loadfdt; then " \
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"bootm ${loadaddr} - ${fdt_addr}; " \
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"else " \
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"if test ${boot_fdt} = try; then " \
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"bootm; " \
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"else " \
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"echo WARN: Cannot load the DT; " \
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"fi; " \
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"fi; " \
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"else " \
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"bootm; " \
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"fi;\0"
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#define CONFIG_BOOTCOMMAND \
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"mmc dev ${mmcdev}; if mmc rescan; then " \
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"if run loadbootscript; then " \
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"run bootscript; " \
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"else " \
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"if run loaduimage; then " \
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"run mmcboot; " \
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"else " \
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"echo ERR: Fail to boot from MMC; " \
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"fi; " \
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"fi; " \
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"else exit; fi"
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#endif /* __MX23EVK_CONFIG_H__ */
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