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Diffstat (limited to 'include/configs/mx23evk.h')
| -rw-r--r-- | include/configs/mx23evk.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/include/configs/mx23evk.h b/include/configs/mx23evk.h new file mode 100644 index 0000000..c44a8b8 --- /dev/null +++ b/include/configs/mx23evk.h @@ -0,0 +1,202 @@ +/* + * Freescale i.MX23 EVK board config + * + * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br> + * on behalf of O.S. Systems Software LTDA. + * + * 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 __MX23EVK_CONFIG_H__ +#define __MX23EVK_CONFIG_H__ + +/* SoC configurations */ +#define CONFIG_MX23 /* i.MX23 SoC */ + +#include <asm/arch/regs-base.h> + +#define CONFIG_MXS_GPIO /* GPIO control */ +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ + +#define CONFIG_MACH_TYPE MACH_TYPE_MX23EVK + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_ICACHE_OFF +#define CONFIG_SYS_DCACHE_OFF +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_ARCH_MISC_INIT + +/* SPL */ +#define CONFIG_SPL +#define CONFIG_SPL_NO_CPU_SUPPORT_CODE +#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_GPIO_SUPPORT + +/* U-Boot Commands */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS + +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_MMC +#define CONFIG_CMD_BOOTZ + +/* Memory configurations */ +#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x40000000 /* Base address */ +#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ +#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ +#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +/* Point initial SP in SRAM so SPL can use it too. */ + +#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 +#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* + * We need to sacrifice first 4 bytes of RAM here to avoid triggering some + * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot + * binary. In case there was more of this mess, 0x100 bytes are skipped. + */ +#define CONFIG_SYS_TEXT_BASE 0x40000100 + +#define CONFIG_ENV_OVERWRITE + +/* U-Boot general configurations */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_SYS_CBSIZE 256 /* Console I/O buffer size */ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) + /* Print buffer size */ +#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + /* Boot argument buffer size */ +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ +#define CONFIG_AUTO_COMPLETE /* Command auto complete */ +#define CONFIG_CMDLINE_EDITING /* Command history etc */ +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +/* Serial Driver */ +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 24000000 +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } +#define CONFIG_CONS_INDEX 0 +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* DMA */ +#define CONFIG_APBH_DMA + +/* MMC Driver */ +#ifdef CONFIG_CMD_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_BOUNCE_BUFFER +#define CONFIG_MXS_MMC +#endif + +/* Boot Linux */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTDELAY 1 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_LOADADDR 0x42000000 +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_OF_LIBFDT + +/* Environment */ +#define CONFIG_ENV_IS_IN_MMC +#ifdef CONFIG_ENV_IS_IN_MMC + #define CONFIG_ENV_OFFSET (256 * 1024) + #define CONFIG_ENV_SIZE (16 * 1024) + #define CONFIG_SYS_MMC_ENV_DEV 0 +#endif + +/* Extra Environments */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "update_sd_firmware_filename=u-boot.sd\0" \ + "update_sd_firmware=" /* Update the SD firmware partition */ \ + "if mmc rescan ; then " \ + "if tftp ${update_sd_firmware_filename} ; then " \ + "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ + "setexpr fw_sz ${fw_sz} + 1 ; " \ + "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ + "fi ; " \ + "fi\0" \ + "script=boot.scr\0" \ + "uimage=uImage\0" \ + "console=ttyAMA0\0" \ + "fdt_file=imx23-evk.dtb\0" \ + "fdt_addr=0x41000000\0" \ + "boot_fdt=try\0" \ + "mmcdev=0\0" \ + "mmcpart=2\0" \ + "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ + "mmcargs=setenv bootargs console=${console},${baudrate} " \ + "root=${mmcroot}\0" \ + "loadbootscript=" \ + "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source\0" \ + "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "bootm ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootm; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootm; " \ + "fi;\0" + +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "run bootscript; " \ + "else " \ + "if run loaduimage; then " \ + "run mmcboot; " \ + "else " \ + "echo ERR: Fail to boot from MMC; " \ + "fi; " \ + "fi; " \ + "else exit; fi" + +#endif /* __MX23EVK_CONFIG_H__ */ |