include/configs/mx23evk.h

   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_SYS_ICACHE_OFF
  37 #define CONFIG_SYS_DCACHE_OFF
  38 #define CONFIG_BOARD_EARLY_INIT_F
  39 #define CONFIG_ARCH_MISC_INIT
  40
  41 /* SPL */
  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 /* U-Boot Commands */
  51 #include <config_cmd_default.h>
  52 #undef CONFIG_CMD_NET
  53 #undef CONFIG_CMD_NFS
  54
  55 #define CONFIG_DISPLAY_CPUINFO
  56 #define CONFIG_DOS_PARTITION
  57
  58 #define CONFIG_CMD_CACHE
  59 #define CONFIG_CMD_EXT2
  60 #define CONFIG_CMD_FAT
  61 #define CONFIG_CMD_GPIO
  62 #define CONFIG_CMD_MMC
  63 #define CONFIG_CMD_BOOTZ
  64
  65 /* Memory configurations */
  66 #define CONFIG_NR_DRAM_BANKS            1               /* 1 bank of DRAM */
  67 #define PHYS_SDRAM_1                    0x40000000      /* Base address */
  68 #define PHYS_SDRAM_1_SIZE               0x08000000      /* Max 128 MB RAM */
  69 #define CONFIG_STACKSIZE                (128 * 1024)    /* 128 KB stack */
  70 #define CONFIG_SYS_MALLOC_LEN           0x00400000      /* 4 MB for malloc */
  71 #define CONFIG_SYS_MEMTEST_START        0x40000000      /* Memtest start adr */
  72 #define CONFIG_SYS_MEMTEST_END          0x40400000      /* 4 MB RAM test */
  73 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
  74 /* Point initial SP in SRAM so SPL can use it too. */
  75
  76 #define CONFIG_SYS_INIT_RAM_ADDR        0x00000000
  77 #define CONFIG_SYS_INIT_RAM_SIZE        (128 * 1024)
  78
  79 #define CONFIG_SYS_INIT_SP_OFFSET \
  80         (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  81 #define CONFIG_SYS_INIT_SP_ADDR \
  82         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  83
  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 #define CONFIG_ENV_OVERWRITE
  92
  93 /* U-Boot general configurations */
  94 #define CONFIG_SYS_LONGHELP
  95 #define CONFIG_SYS_PROMPT       "=> "
  96 #define CONFIG_SYS_CBSIZE       256             /* 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 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 108
 109 /* Serial Driver */
 110 #define CONFIG_PL011_SERIAL
 111 #define CONFIG_PL011_CLOCK              24000000
 112 #define CONFIG_PL01x_PORTS              { (void *)MXS_UARTDBG_BASE }
 113 #define CONFIG_CONS_INDEX               0
 114 #define CONFIG_BAUDRATE                 115200  /* Default baud rate */
 115 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
 116
 117 /* DMA */
 118 #define CONFIG_APBH_DMA
 119
 120 /* MMC Driver */
 121 #ifdef  CONFIG_CMD_MMC
 122 #define CONFIG_MMC
 123 #define CONFIG_GENERIC_MMC
 124 #define CONFIG_BOUNCE_BUFFER
 125 #define CONFIG_MXS_MMC
 126 #endif
 127
 128 /* Boot Linux */
 129 #define CONFIG_CMDLINE_TAG
 130 #define CONFIG_SETUP_MEMORY_TAGS
 131 #define CONFIG_BOOTDELAY        1
 132 #define CONFIG_BOOTFILE "uImage"
 133 #define CONFIG_LOADADDR 0x42000000
 134 #define CONFIG_SYS_LOAD_ADDR    CONFIG_LOADADDR
 135 #define CONFIG_OF_LIBFDT
 136
 137 /* Environment */
 138 #define CONFIG_ENV_IS_IN_MMC
 139 #ifdef CONFIG_ENV_IS_IN_MMC
 140  #define CONFIG_ENV_OFFSET      (256 * 1024)
 141  #define CONFIG_ENV_SIZE        (16 * 1024)
 142  #define CONFIG_SYS_MMC_ENV_DEV 0
 143 #endif
 144
 145 /* Extra Environments */
 146 #define CONFIG_EXTRA_ENV_SETTINGS \
 147         "update_sd_firmware_filename=u-boot.sd\0" \
 148         "update_sd_firmware="           /* Update the SD firmware partition */ \
 149                 "if mmc rescan ; then " \
 150                 "if tftp ${update_sd_firmware_filename} ; then " \
 151                 "setexpr fw_sz ${filesize} / 0x200 ; "  /* SD block size */ \
 152                 "setexpr fw_sz ${fw_sz} + 1 ; " \
 153                 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
 154                 "fi ; " \
 155                 "fi\0" \
 156         "script=boot.scr\0"     \
 157         "uimage=uImage\0" \
 158         "console=ttyAMA0\0" \
 159         "fdt_file=imx23-evk.dtb\0" \
 160         "fdt_addr=0x41000000\0" \
 161         "boot_fdt=try\0" \
 162         "mmcdev=0\0" \
 163         "mmcpart=2\0" \
 164         "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
 165         "mmcargs=setenv bootargs console=${console},${baudrate} " \
 166                 "root=${mmcroot}\0" \
 167         "loadbootscript="  \
 168                 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
 169         "bootscript=echo Running bootscript from mmc ...; "     \
 170                 "source\0" \
 171         "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
 172         "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
 173         "mmcboot=echo Booting from mmc ...; " \
 174                 "run mmcargs; " \
 175                 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
 176                         "if run loadfdt; then " \
 177                                 "bootm ${loadaddr} - ${fdt_addr}; " \
 178                         "else " \
 179                                 "if test ${boot_fdt} = try; then " \
 180                                         "bootm; " \
 181                                 "else " \
 182                                         "echo WARN: Cannot load the DT; " \
 183                                 "fi; " \
 184                         "fi; " \
 185                 "else " \
 186                         "bootm; " \
 187                 "fi;\0"
 188
 189 #define CONFIG_BOOTCOMMAND \
 190         "mmc dev ${mmcdev}; if mmc rescan; then " \
 191                 "if run loadbootscript; then " \
 192                         "run bootscript; " \
 193                 "else " \
 194                         "if run loaduimage; then " \
 195                                 "run mmcboot; " \
 196                         "else " \
 197                                 "echo ERR: Fail to boot from MMC; " \
 198                         "fi; " \
 199                 "fi; " \
 200         "else exit; fi"
 201
 202 #endif /* __MX23EVK_CONFIG_H__ */