1 /* 2 * Copyright (C) 2013 Marek Vasut <marex@denx.de> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 #ifndef __MX23_OLINUXINO_CONFIG_H__ 20 #define __MX23_OLINUXINO_CONFIG_H__ 21 22 #include <asm/arch/iomux-mx23.h> 23 24 /* 25 * SoC configurations 26 */ 27 #define CONFIG_MX23 /* i.MX23 SoC */ 28 #define CONFIG_MXS_GPIO /* GPIO control */ 29 #define CONFIG_SYS_HZ 1000 /* Ticks per second */ 30 31 #define CONFIG_MACH_TYPE 4105 32 33 #include <asm/arch/regs-base.h> 34 35 #define CONFIG_SYS_NO_FLASH 36 #define CONFIG_BOARD_EARLY_INIT_F 37 #define CONFIG_ARCH_MISC_INIT 38 39 /* 40 * SPL 41 */ 42 #define CONFIG_SPL 43 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 44 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 45 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 46 #define CONFIG_SPL_LIBCOMMON_SUPPORT 47 #define CONFIG_SPL_LIBGENERIC_SUPPORT 48 #define CONFIG_SPL_GPIO_SUPPORT 49 50 /* 51 * U-Boot Commands 52 */ 53 #include <config_cmd_default.h> 54 #define CONFIG_DISPLAY_CPUINFO 55 #define CONFIG_DOS_PARTITION 56 57 #define CONFIG_CMD_CACHE 58 #define CONFIG_CMD_EXT2 59 #define CONFIG_CMD_FAT 60 #define CONFIG_CMD_GPIO 61 #define CONFIG_CMD_LED 62 #define CONFIG_CMD_MMC 63 64 /* 65 * Memory configurations 66 */ 67 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 68 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 69 #define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ 70 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 71 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */ 72 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 73 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 74 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 75 /* Point initial SP in SRAM so SPL can use it too. */ 76 77 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 78 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 79 80 #define CONFIG_SYS_INIT_SP_OFFSET \ 81 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 82 #define CONFIG_SYS_INIT_SP_ADDR \ 83 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 84 /* 85 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 86 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 87 * binary. In case there was more of this mess, 0x100 bytes are skipped. 88 */ 89 #define CONFIG_SYS_TEXT_BASE 0x40000100 90 91 /* 92 * U-Boot general configurations 93 */ 94 #define CONFIG_SYS_LONGHELP 95 #define CONFIG_SYS_PROMPT "=> " 96 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 97 #define CONFIG_SYS_PBSIZE \ 98 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 99 /* Print buffer size */ 100 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 101 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 102 /* Boot argument buffer size */ 103 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 104 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 105 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 106 #define CONFIG_SYS_HUSH_PARSER 107 108 /* 109 * Serial Driver 110 */ 111 #define CONFIG_PL011_SERIAL 112 #define CONFIG_PL011_CLOCK 24000000 113 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 114 #define CONFIG_CONS_INDEX 0 115 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 116 117 /* 118 * Status LED 119 */ 120 #define CONFIG_STATUS_LED 121 #define CONFIG_GPIO_LED 122 #define CONFIG_BOARD_SPECIFIC_LED 123 #define STATUS_LED_BOOT 0 124 #define STATUS_LED_BIT MX23_PAD_SSP1_DETECT__GPIO_2_1 125 #define STATUS_LED_STATE STATUS_LED_ON 126 #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 127 128 /* 129 * MMC Driver 130 */ 131 #ifdef CONFIG_CMD_MMC 132 #define CONFIG_MMC 133 #define CONFIG_BOUNCE_BUFFER 134 #define CONFIG_GENERIC_MMC 135 #define CONFIG_MXS_MMC 136 #endif 137 138 /* 139 * APBH DMA 140 */ 141 #define CONFIG_APBH_DMA 142 143 /* 144 * Boot Linux 145 */ 146 #define CONFIG_CMDLINE_TAG 147 #define CONFIG_SETUP_MEMORY_TAGS 148 #define CONFIG_BOOTDELAY 3 149 #define CONFIG_BOOTFILE "uImage" 150 #define CONFIG_LOADADDR 0x42000000 151 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 152 #define CONFIG_OF_LIBFDT 153 154 /* 155 * Environment 156 */ 157 #define CONFIG_ENV_IS_IN_MMC 158 #define CONFIG_ENV_OVERWRITE 159 #ifdef CONFIG_ENV_IS_IN_MMC 160 #define CONFIG_ENV_OFFSET (256 * 1024) 161 #define CONFIG_ENV_SIZE (16 * 1024) 162 #define CONFIG_SYS_MMC_ENV_DEV 0 163 #endif 164 165 /* 166 * Extra Environments 167 */ 168 #define CONFIG_EXTRA_ENV_SETTINGS \ 169 "update_sd_firmware_filename=u-boot.sd\0" \ 170 "update_sd_firmware=" /* Update the SD firmware partition */ \ 171 "if mmc rescan ; then " \ 172 "if tftp ${update_sd_firmware_filename} ; then " \ 173 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 174 "setexpr fw_sz ${fw_sz} + 1 ; " \ 175 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 176 "fi ; " \ 177 "fi\0" \ 178 "script=boot.scr\0" \ 179 "uimage=uImage\0" \ 180 "console=ttyAMA0\0" \ 181 "fdt_file=imx23-olinuxino.dtb\0" \ 182 "fdt_addr=0x41000000\0" \ 183 "boot_fdt=try\0" \ 184 "mmcdev=0\0" \ 185 "mmcpart=2\0" \ 186 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 187 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 188 "root=${mmcroot}\0" \ 189 "loadbootscript=" \ 190 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 191 "bootscript=echo Running bootscript from mmc ...; " \ 192 "source\0" \ 193 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 194 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 195 "mmcboot=echo Booting from mmc ...; " \ 196 "run mmcargs; " \ 197 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 198 "if run loadfdt; then " \ 199 "bootm ${loadaddr} - ${fdt_addr}; " \ 200 "else " \ 201 "if test ${boot_fdt} = try; then " \ 202 "bootm; " \ 203 "else " \ 204 "echo WARN: Cannot load the DT; " \ 205 "fi; " \ 206 "fi; " \ 207 "else " \ 208 "bootm; " \ 209 "fi;\0" 210 211 #define CONFIG_BOOTCOMMAND \ 212 "mmc dev ${mmcdev}; if mmc rescan; then " \ 213 "if run loadbootscript; then " \ 214 "run bootscript; " \ 215 "else " \ 216 "if run loaduimage; then " \ 217 "run mmcboot; " \ 218 "else " \ 219 "echo ERR: Fail to boot from MMC; " \ 220 "fi; " \ 221 "fi; " \ 222 "else exit; fi" 223 224 #endif /* __MX23_OLINUXINO_CONFIG_H__ */ 225