include/configs/at91-sama5_common.h

   1 /*
   2  * Common part of configuration settings for the AT91 SAMA5 board.
   3  *
   4  * Copyright (C) 2015 Atmel Corporation
   5  *                    Josh Wu <josh.wu@atmel.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __AT91_SAMA5_COMMON_H
  11 #define __AT91_SAMA5_COMMON_H
  12
  13 #include <asm/hardware.h>
  14
  15 #define CONFIG_SYS_TEXT_BASE            0x26f00000
  16
  17 /* ARM asynchronous clock */
  18 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  19 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
  20
  21 #define CONFIG_ARCH_CPU_INIT
  22
  23 #ifndef CONFIG_SPL_BUILD
  24 #define CONFIG_SKIP_LOWLEVEL_INIT
  25 #endif
  26
  27 #define CONFIG_ENV_VARS_UBOOT_CONFIG
  28
  29 /* general purpose I/O */
  30 #ifndef CONFIG_DM_GPIO
  31 #define CONFIG_AT91_GPIO
  32 #endif
  33
  34
  35 /*
  36  * BOOTP options
  37  */
  38 #define CONFIG_BOOTP_BOOTFILESIZE
  39 #define CONFIG_BOOTP_BOOTPATH
  40 #define CONFIG_BOOTP_GATEWAY
  41 #define CONFIG_BOOTP_HOSTNAME
  42
  43 /*
  44  * Command line configuration.
  45  */
  46
  47 #ifdef CONFIG_SYS_USE_MMC
  48
  49 #ifdef CONFIG_ENV_IS_IN_MMC
  50 /* Use raw reserved sectors to save environment */
  51 #define CONFIG_ENV_OFFSET               0x2000
  52 #define CONFIG_ENV_SIZE                 0x1000
  53 #define CONFIG_SYS_MMC_ENV_DEV          0
  54 #else
  55 /* u-boot env in sd/mmc card */
  56 #define CONFIG_ENV_SIZE         0x4000
  57 #endif
  58
  59 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
  60                                     "setenv dtb_name at91-${board_name}.dtb; " \
  61                                 "fi; "                                  \
  62                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  63                                 "fatload mmc 0:1 0x22000000 zImage; "   \
  64                                 "bootz 0x22000000 - 0x21000000"
  65 #define CONFIG_BOOTARGS                                                 \
  66         "console=ttyS0,115200 earlyprintk "                             \
  67         "root=/dev/mmcblk0p2 rw rootwait"
  68 #else
  69 #define CONFIG_BOOTARGS                                                 \
  70         "console=ttyS0,115200 earlyprintk "                             \
  71         "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
  72         "256K(env),256k(env_redundant),256k(spare),"                    \
  73         "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
  74         "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
  75
  76 #ifdef CONFIG_SYS_USE_NANDFLASH
  77 /* u-boot env in nand flash */
  78 #define CONFIG_ENV_OFFSET               0xc0000
  79 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  80 #define CONFIG_ENV_SIZE                 0x20000
  81 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
  82                                         "nand read 0x22000000 0x200000 0x600000;"       \
  83                                         "bootz 0x22000000 - 0x21000000"
  84 #elif CONFIG_SYS_USE_SERIALFLASH
  85 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  86 #define CONFIG_ENV_OFFSET               0x6000
  87 #define CONFIG_ENV_SIZE                 0x2000
  88 #define CONFIG_ENV_SECT_SIZE            0x1000
  89 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
  90                                         "sf read 0x21000000 0x60000 0xc000; "   \
  91                                         "sf read 0x22000000 0x6c000 0x394000; " \
  92                                         "bootz 0x22000000 - 0x21000000"
  93 #endif
  94
  95 #endif
  96
  97 #define CONFIG_SYS_CBSIZE               256
  98 #define CONFIG_SYS_MAXARGS              16
  99 #define CONFIG_SYS_LONGHELP
 100 #define CONFIG_CMDLINE_EDITING
 101 #define CONFIG_AUTO_COMPLETE
 102
 103 /* Size of malloc() pool */
 104 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
 105
 106 #endif