include/configs/bg0900.h

   1 /*
   2  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #ifndef __CONFIGS_BG0900_H__
   7 #define __CONFIGS_BG0900_H__
   8
   9 /* System configurations */
  10 #define CONFIG_MX28                             /* i.MX28 SoC */
  11
  12 /* Memory configuration */
  13 #define CONFIG_NR_DRAM_BANKS            1               /* 1 bank of DRAM */
  14 #define PHYS_SDRAM_1                    0x40000000      /* Base address */
  15 #define PHYS_SDRAM_1_SIZE               0x10000000      /* Max 256 MB RAM */
  16 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
  17
  18 /* Environment */
  19 #define CONFIG_ENV_SIZE                 (16 * 1024)
  20 #define CONFIG_ENV_OVERWRITE
  21
  22 /* FEC Ethernet on SoC */
  23 #ifdef  CONFIG_CMD_NET
  24 #define CONFIG_FEC_MXC
  25 #endif
  26
  27 /* SPI */
  28 #ifdef CONFIG_CMD_SPI
  29 #define CONFIG_DEFAULT_SPI_BUS          2
  30 #define CONFIG_DEFAULT_SPI_CS           0
  31 #define CONFIG_DEFAULT_SPI_MODE         SPI_MODE_0
  32
  33 /* SPI FLASH */
  34 #ifdef CONFIG_CMD_SF
  35 #define CONFIG_SF_DEFAULT_BUS           2
  36 #define CONFIG_SF_DEFAULT_CS            0
  37 #define CONFIG_SF_DEFAULT_SPEED         40000000
  38 #define CONFIG_SF_DEFAULT_MODE          SPI_MODE_0
  39
  40 #define CONFIG_ENV_SPI_BUS              2
  41 #define CONFIG_ENV_SPI_CS               0
  42 #define CONFIG_ENV_SPI_MAX_HZ           40000000
  43 #define CONFIG_ENV_SPI_MODE             SPI_MODE_0
  44 #endif
  45
  46 #endif
  47
  48 /* Boot Linux */
  49 #define CONFIG_BOOTFILE         "uImage"
  50 #define CONFIG_BOOTCOMMAND      "bootm"
  51 #define CONFIG_LOADADDR         0x42000000
  52 #define CONFIG_SYS_LOAD_ADDR    CONFIG_LOADADDR
  53
  54 /* Extra Environment */
  55 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  56         "update_spi_firmware_filename=u-boot.sb\0"                      \
  57         "update_spi_firmware_maxsz=0x80000\0"                           \
  58         "update_spi_firmware="  /* Update the SPI flash firmware */     \
  59                 "if sf probe 2:0 ; then "                               \
  60                 "if tftp ${update_spi_firmware_filename} ; then "       \
  61                 "sf erase 0x0 +${filesize} ; "                          \
  62                 "sf write ${loadaddr} 0x0 ${filesize} ; "               \
  63                 "fi ; "                                                 \
  64                 "fi\0"
  65
  66 /* The rest of the configuration is shared */
  67 #include <configs/mxs.h>
  68
  69 #endif /* __CONFIGS_BG0900_H__ */