include/configs/omap3_overo.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Configuration settings for the Gumstix Overo board.
   4  */
   5
   6 #ifndef __CONFIG_H
   7 #define __CONFIG_H
   8
   9 #include <configs/ti_omap3_common.h>
  10 /*
  11  * We are only ever GP parts and will utilize all of the "downloaded image"
  12  * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
  13  */
  14
  15 /* call misc_init_r */
  16
  17 /* pass the revision tag */
  18 #define CONFIG_REVISION_TAG
  19
  20 /* override size of malloc() pool */
  21 #undef CONFIG_SYS_MALLOC_LEN
  22 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
  23  * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
  24 #define CONFIG_SYS_MALLOC_LEN   (CONFIG_ENV_SIZE + (128 << 15))
  25
  26 /* I2C Support */
  27
  28 /* TWL4030 LED */
  29
  30 /* USB EHCI */
  31 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO        183
  32
  33 /* commands to include */
  34
  35 #ifdef CONFIG_NAND
  36 /* NAND block size is 128 KiB.  Synchronize these values with
  37  * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
  38  *  xloader              4 * NAND_BLOCK_SIZE = 512 KiB
  39  *  uboot               14 * NAND_BLOCK_SIZE = 1792 KiB
  40  *  uboot environtment   2 * NAND_BLOCK_SIZE = 256 KiB
  41  *  linux               64 * NAND_BLOCK_SIZE = 8 MiB
  42  *  rootfs              remainder
  43  */
  44 #endif /* CONFIG_NAND */
  45
  46 /* Board NAND Info. */
  47 /* Environment information */
  48 #define CONFIG_EXTRA_ENV_SETTINGS \
  49         DEFAULT_LINUX_BOOT_ENV \
  50         "bootdir=/boot\0" \
  51         "bootfile=zImage\0" \
  52         "usbtty=cdc_acm\0" \
  53         "console=ttyO2,115200n8\0" \
  54         "mpurate=auto\0" \
  55         "optargs=\0" \
  56         "vram=12M\0" \
  57         "dvimode=1024x768MR-16@60\0" \
  58         "defaultdisplay=dvi\0" \
  59         "mmcdev=0\0" \
  60         "mmcroot=/dev/mmcblk0p2 rw\0" \
  61         "mmcrootfstype=ext4 rootwait\0" \
  62         "nandroot=ubi0:rootfs ubi.mtd=4\0" \
  63         "nandrootfstype=ubifs\0" \
  64         "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
  65         "mmcargs=setenv bootargs console=${console} " \
  66                 "${optargs} " \
  67                 "mpurate=${mpurate} " \
  68                 "vram=${vram} " \
  69                 "omapfb.mode=dvi:${dvimode} " \
  70                 "omapdss.def_disp=${defaultdisplay} " \
  71                 "root=${mmcroot} " \
  72                 "rootfstype=${mmcrootfstype}\0" \
  73         "nandargs=setenv bootargs console=${console} " \
  74                 "${optargs} " \
  75                 "mpurate=${mpurate} " \
  76                 "vram=${vram} " \
  77                 "omapfb.mode=dvi:${dvimode} " \
  78                 "omapdss.def_disp=${defaultdisplay} " \
  79                 "root=${nandroot} " \
  80                 "rootfstype=${nandrootfstype}\0" \
  81         "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  82         "bootscript=echo Running boot script from mmc ...; " \
  83                 "source ${loadaddr}\0" \
  84         "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
  85         "importbootenv=echo Importing environment from mmc ...; " \
  86                 "env import -t ${loadaddr} ${filesize}\0" \
  87         "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
  88         "mmcboot=echo Booting from mmc...; " \
  89                 "run mmcargs; " \
  90                 "bootm ${loadaddr}\0" \
  91         "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
  92         "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  93         "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
  94         "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  95         "mmcbootfdt=echo Booting with DT from mmc ...; " \
  96                 "run mmcargs; " \
  97                 "bootz ${loadaddr} - ${fdtaddr}\0" \
  98         "nandboot=echo Booting from nand ...; " \
  99                 "run nandargs; " \
 100                 "if nand read ${loadaddr} linux; then " \
 101                         "bootm ${loadaddr};" \
 102                 "fi;\0" \
 103         "nanddtsboot=echo Booting from nand with DTS...; " \
 104                 "run nandargs; " \
 105                 "ubi part rootfs; "\
 106                 "ubifsmount ubi0:rootfs; "\
 107                 "run loadubifdt; "\
 108                 "run loadubizimage; "\
 109                 "bootz ${loadaddr} - ${fdtaddr}\0" \
 110
 111 #define CONFIG_BOOTCOMMAND \
 112         "mmc dev ${mmcdev}; if mmc rescan; then " \
 113                 "if run loadbootscript; then " \
 114                         "run bootscript; " \
 115                 "fi;" \
 116                 "if run loadbootenv; then " \
 117                         "echo Loaded environment from ${bootenv};" \
 118                         "run importbootenv;" \
 119                 "fi;" \
 120                 "if test -n $uenvcmd; then " \
 121                         "echo Running uenvcmd ...;" \
 122                         "run uenvcmd;" \
 123                 "fi;" \
 124                 "if run loaduimage; then " \
 125                         "run mmcboot;" \
 126                 "fi;" \
 127                 "if run loadzimage; then " \
 128                         "if test -z \"${fdtfile}\"; then " \
 129                                 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
 130                         "fi;" \
 131                         "if run loadfdt; then " \
 132                                 "run mmcbootfdt;" \
 133                         "fi;" \
 134                 "fi;" \
 135         "fi;" \
 136         "run nandboot; " \
 137         "if test -z \"${fdtfile}\"; then "\
 138                 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
 139         "fi;" \
 140         "run nanddtsboot; " \
 141
 142 /* memtest works on */
 143 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)
 144 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
 145                                         0x01F00000) /* 31MB */
 146
 147 /* FLASH and environment organization */
 148 #if defined(CONFIG_NAND)
 149 #define CONFIG_SYS_FLASH_BASE           NAND_BASE
 150 #endif
 151
 152 /* Monitor at start of flash */
 153 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 154 #define CONFIG_SYS_ONENAND_BASE         ONENAND_MAP
 155
 156 #define ONENAND_ENV_OFFSET              0x240000 /* environment starts here */
 157 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 158
 159 /* Initial RAM setup */
 160 #define CONFIG_SYS_INIT_RAM_ADDR        0x4020f800
 161 #define CONFIG_SYS_INIT_RAM_SIZE        0x800
 162
 163 /* NAND boot config */
 164 #define CONFIG_SYS_NAND_MAX_ECCPOS  56
 165 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 166 #define CONFIG_SYS_NAND_PAGE_COUNT      64
 167 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 168 #define CONFIG_SYS_NAND_OOBSIZE         64
 169 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128*1024)
 170 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 171 #define CONFIG_SYS_NAND_ECCPOS      {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
 172                                         13, 14, 16, 17, 18, 19, 20, 21, 22, \
 173                                         23, 24, 25, 26, 27, 28, 30, 31, 32, \
 174                                         33, 34, 35, 36, 37, 38, 39, 40, 41, \
 175                                         42, 44, 45, 46, 47, 48, 49, 50, 51, \
 176                                         52, 53, 54, 55, 56}
 177 #define CONFIG_SYS_NAND_ECCSIZE         512
 178 #define CONFIG_SYS_NAND_ECCBYTES        13
 179 #define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
 180 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 181 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x80000
 182 /* NAND: SPL falcon mode configs */
 183 #ifdef CONFIG_SPL_OS_BOOT
 184 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
 185 #endif
 186
 187 #endif                          /* __CONFIG_H */