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_USB 62 #define CONFIG_CMD_BOOTZ 63 64 /* Memory configurations */ 65 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 66 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 67 #define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ 68 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 69 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 70 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 71 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 72 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 73 /* Point initial SP in SRAM so SPL can use it too. */ 74 75 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 76 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 77 78 #define CONFIG_SYS_INIT_SP_OFFSET \ 79 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 80 #define CONFIG_SYS_INIT_SP_ADDR \ 81 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 82 83 /* 84 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 85 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 86 * binary. In case there was more of this mess, 0x100 bytes are skipped. 87 */ 88 #define CONFIG_SYS_TEXT_BASE 0x40000100 89 90 #define CONFIG_ENV_OVERWRITE 91 92 /* U-Boot general configurations */ 93 #define CONFIG_SYS_LONGHELP 94 #define CONFIG_SYS_PROMPT "=> " 95 #define CONFIG_SYS_CBSIZE 256 /* Console I/O buffer size */ 96 #define CONFIG_SYS_PBSIZE \ 97 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 98 /* Print buffer size */ 99 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 100 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 101 /* Boot argument buffer size */ 102 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 103 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 104 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 105 #define CONFIG_SYS_HUSH_PARSER 106 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 107 108 /* Serial Driver */ 109 #define CONFIG_PL011_SERIAL 110 #define CONFIG_PL011_CLOCK 24000000 111 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 112 #define CONFIG_CONS_INDEX 0 113 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 114 115 /* DMA */ 116 #define CONFIG_APBH_DMA 117 118 /* MMC Driver */ 119 #ifdef CONFIG_CMD_MMC 120 #define CONFIG_MMC 121 #define CONFIG_GENERIC_MMC 122 #define CONFIG_BOUNCE_BUFFER 123 #define CONFIG_MXS_MMC 124 #endif 125 126 /* USB */ 127 #ifdef CONFIG_CMD_USB 128 #define CONFIG_USB_EHCI 129 #define CONFIG_USB_EHCI_MXS 130 #define CONFIG_EHCI_MXS_PORT0 131 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 132 #define CONFIG_EHCI_IS_TDI 133 #define CONFIG_USB_STORAGE 134 #endif 135 136 /* Boot Linux */ 137 #define CONFIG_CMDLINE_TAG 138 #define CONFIG_SETUP_MEMORY_TAGS 139 #define CONFIG_BOOTDELAY 1 140 #define CONFIG_BOOTFILE "uImage" 141 #define CONFIG_LOADADDR 0x42000000 142 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 143 #define CONFIG_OF_LIBFDT 144 145 /* Environment */ 146 #define CONFIG_ENV_IS_IN_MMC 147 #ifdef CONFIG_ENV_IS_IN_MMC 148 #define CONFIG_ENV_OFFSET (256 * 1024) 149 #define CONFIG_ENV_SIZE (16 * 1024) 150 #define CONFIG_SYS_MMC_ENV_DEV 0 151 #endif 152 153 /* Extra Environments */ 154 #define CONFIG_EXTRA_ENV_SETTINGS \ 155 "update_sd_firmware_filename=u-boot.sd\0" \ 156 "update_sd_firmware=" /* Update the SD firmware partition */ \ 157 "if mmc rescan ; then " \ 158 "if tftp ${update_sd_firmware_filename} ; then " \ 159 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 160 "setexpr fw_sz ${fw_sz} + 1 ; " \ 161 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 162 "fi ; " \ 163 "fi\0" \ 164 "script=boot.scr\0" \ 165 "uimage=uImage\0" \ 166 "console=ttyAMA0\0" \ 167 "fdt_file=imx23-evk.dtb\0" \ 168 "fdt_addr=0x41000000\0" \ 169 "boot_fdt=try\0" \ 170 "mmcdev=0\0" \ 171 "mmcpart=2\0" \ 172 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 173 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 174 "root=${mmcroot}\0" \ 175 "loadbootscript=" \ 176 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 177 "bootscript=echo Running bootscript from mmc ...; " \ 178 "source\0" \ 179 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 180 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 181 "mmcboot=echo Booting from mmc ...; " \ 182 "run mmcargs; " \ 183 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 184 "if run loadfdt; then " \ 185 "bootm ${loadaddr} - ${fdt_addr}; " \ 186 "else " \ 187 "if test ${boot_fdt} = try; then " \ 188 "bootm; " \ 189 "else " \ 190 "echo WARN: Cannot load the DT; " \ 191 "fi; " \ 192 "fi; " \ 193 "else " \ 194 "bootm; " \ 195 "fi;\0" 196 197 #define CONFIG_BOOTCOMMAND \ 198 "mmc dev ${mmcdev}; if mmc rescan; then " \ 199 "if run loadbootscript; then " \ 200 "run bootscript; " \ 201 "else " \ 202 "if run loaduimage; then " \ 203 "run mmcboot; " \ 204 "else " \ 205 "echo ERR: Fail to boot from MMC; " \ 206 "fi; " \ 207 "fi; " \ 208 "else exit; fi" 209 210 #endif /* __MX23EVK_CONFIG_H__ */ 211