include/configs/mx23_olinuxino.h

   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__ */