arch/arm/cpu/armv8/fsl-layerscape/spl.c

   1 /*
   2  * Copyright 2014-2015 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <spl.h>
   9 #include <asm/io.h>
  10 #include <fsl_ifc.h>
  11 #include <i2c.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 u32 spl_boot_device(void)
  16 {
  17 #ifdef CONFIG_SPL_MMC_SUPPORT
  18         return BOOT_DEVICE_MMC1;
  19 #endif
  20 #ifdef CONFIG_SPL_NAND_SUPPORT
  21         return BOOT_DEVICE_NAND;
  22 #endif
  23         return 0;
  24 }
  25
  26 u32 spl_boot_mode(const u32 boot_device)
  27 {
  28         switch (spl_boot_device()) {
  29         case BOOT_DEVICE_MMC1:
  30 #ifdef CONFIG_SPL_FAT_SUPPORT
  31                 return MMCSD_MODE_FS;
  32 #else
  33                 return MMCSD_MODE_RAW;
  34 #endif
  35         case BOOT_DEVICE_NAND:
  36                 return 0;
  37         default:
  38                 puts("spl: error: unsupported device\n");
  39                 hang();
  40         }
  41 }
  42
  43 #ifdef CONFIG_SPL_BUILD
  44 void board_init_f(ulong dummy)
  45 {
  46         /* Clear global data */
  47         memset((void *)gd, 0, sizeof(gd_t));
  48         board_early_init_f();
  49         timer_init();
  50 #ifdef CONFIG_LS2080A
  51         env_init();
  52 #endif
  53         get_clocks();
  54
  55         preloader_console_init();
  56
  57 #ifdef CONFIG_SPL_I2C_SUPPORT
  58         i2c_init_all();
  59 #endif
  60         dram_init();
  61 }
  62 #endif