1 /* 2 * Freescale i.MX23 EVK board config 3 * 4 * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br> 5 * on behalf of O.S. Systems Software LTDA. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 #ifndef __MX23EVK_CONFIG_H__ 23 #define __MX23EVK_CONFIG_H__ 24 25 /* SoC configurations */ 26 #define CONFIG_MX23 /* i.MX23 SoC */ 27 28 #include <asm/arch/regs-base.h> 29 30 #define CONFIG_MXS_GPIO /* GPIO control */ 31 #define CONFIG_SYS_HZ 1000 /* Ticks per second */ 32 33 #define CONFIG_MACH_TYPE MACH_TYPE_MX23EVK 34 35 #define CONFIG_SYS_NO_FLASH 36 #define CONFIG_BOARD_EARLY_INIT_F 37 #define CONFIG_ARCH_MISC_INIT 38 39 /* SPL */ 40 #define CONFIG_SPL 41 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 42 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 43 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 44 #define CONFIG_SPL_LIBCOMMON_SUPPORT 45 #define CONFIG_SPL_LIBGENERIC_SUPPORT 46 #define CONFIG_SPL_GPIO_SUPPORT 47 48 /* U-Boot Commands */ 49 #include <config_cmd_default.h> 50 #undef CONFIG_CMD_NET 51 #undef CONFIG_CMD_NFS 52 53 #define CONFIG_DISPLAY_CPUINFO 54 #define CONFIG_DOS_PARTITION 55 56 #define CONFIG_CMD_CACHE 57 #define CONFIG_CMD_EXT2 58 #define CONFIG_CMD_FAT 59 #define CONFIG_CMD_GPIO 60 #define CONFIG_CMD_MMC 61 #define CONFIG_CMD_BOOTZ 62 63 /* Memory configurations */ 64 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 65 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 66 #define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ 67 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 68 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 69 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 70 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 71 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 72 /* Point initial SP in SRAM so SPL can use it too. */ 73 74 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 75 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 76 77 #define CONFIG_SYS_INIT_SP_OFFSET \ 78 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 79 #define CONFIG_SYS_INIT_SP_ADDR \ 80 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 81 82 /* 83 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 84 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 85 * binary. In case there was more of this mess, 0x100 bytes are skipped. 86 */ 87 #define CONFIG_SYS_TEXT_BASE 0x40000100 88 89 #define CONFIG_ENV_OVERWRITE 90 91 /* U-Boot general configurations */ 92 #define CONFIG_SYS_LONGHELP 93 #define CONFIG_SYS_PROMPT "=> " 94 #define CONFIG_SYS_CBSIZE 256 /* Console I/O buffer size */ 95 #define CONFIG_SYS_PBSIZE \ 96 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 97 /* Print buffer size */ 98 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 99 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 100 /* Boot argument buffer size */ 101 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 102 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 103 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 104 #define CONFIG_SYS_HUSH_PARSER 105 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 106 107 /* Serial Driver */ 108 #define CONFIG_PL011_SERIAL 109 #define CONFIG_PL011_CLOCK 24000000 110 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 111 #define CONFIG_CONS_INDEX 0 112 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 113 114 /* DMA */ 115 #define CONFIG_APBH_DMA 116 117 /* MMC Driver */ 118 #ifdef CONFIG_CMD_MMC 119 #define CONFIG_MMC 120 #define CONFIG_GENERIC_MMC 121 #define CONFIG_BOUNCE_BUFFER 122 #define CONFIG_MXS_MMC 123 #endif 124 125 /* Boot Linux */ 126 #define CONFIG_CMDLINE_TAG 127 #define CONFIG_SETUP_MEMORY_TAGS 128 #define CONFIG_BOOTDELAY 1 129 #define CONFIG_BOOTFILE "uImage" 130 #define CONFIG_LOADADDR 0x42000000 131 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 132 #define CONFIG_OF_LIBFDT 133 134 /* Environment */ 135 #define CONFIG_ENV_IS_IN_MMC 136 #ifdef CONFIG_ENV_IS_IN_MMC 137 #define CONFIG_ENV_OFFSET (256 * 1024) 138 #define CONFIG_ENV_SIZE (16 * 1024) 139 #define CONFIG_SYS_MMC_ENV_DEV 0 140 #endif 141 142 /* Extra Environments */ 143 #define CONFIG_EXTRA_ENV_SETTINGS \ 144 "update_sd_firmware_filename=u-boot.sd\0" \ 145 "update_sd_firmware=" /* Update the SD firmware partition */ \ 146 "if mmc rescan ; then " \ 147 "if tftp ${update_sd_firmware_filename} ; then " \ 148 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 149 "setexpr fw_sz ${fw_sz} + 1 ; " \ 150 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 151 "fi ; " \ 152 "fi\0" \ 153 "script=boot.scr\0" \ 154 "uimage=uImage\0" \ 155 "console=ttyAMA0\0" \ 156 "fdt_file=imx23-evk.dtb\0" \ 157 "fdt_addr=0x41000000\0" \ 158 "boot_fdt=try\0" \ 159 "mmcdev=0\0" \ 160 "mmcpart=2\0" \ 161 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 162 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 163 "root=${mmcroot}\0" \ 164 "loadbootscript=" \ 165 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 166 "bootscript=echo Running bootscript from mmc ...; " \ 167 "source\0" \ 168 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 169 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 170 "mmcboot=echo Booting from mmc ...; " \ 171 "run mmcargs; " \ 172 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 173 "if run loadfdt; then " \ 174 "bootm ${loadaddr} - ${fdt_addr}; " \ 175 "else " \ 176 "if test ${boot_fdt} = try; then " \ 177 "bootm; " \ 178 "else " \ 179 "echo WARN: Cannot load the DT; " \ 180 "fi; " \ 181 "fi; " \ 182 "else " \ 183 "bootm; " \ 184 "fi;\0" 185 186 #define CONFIG_BOOTCOMMAND \ 187 "mmc dev ${mmcdev}; if mmc rescan; then " \ 188 "if run loadbootscript; then " \ 189 "run bootscript; " \ 190 "else " \ 191 "if run loaduimage; then " \ 192 "run mmcboot; " \ 193 "else " \ 194 "echo ERR: Fail to boot from MMC; " \ 195 "fi; " \ 196 "fi; " \ 197 "else exit; fi" 198 199 #endif /* __MX23EVK_CONFIG_H__ */ 200