arch/sandbox/cpu/spl.c

   1 /*
   2  * Copyright (c) 2016 Google, Inc
   3  * SPDX-License-Identifier:     GPL-2.0+
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <os.h>
   9 #include <spl.h>
  10 #include <asm/spl.h>
  11 #include <asm/state.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 void board_init_f(ulong flag)
  16 {
  17         struct sandbox_state *state = state_get_current();
  18
  19         gd->arch.ram_buf = state->ram_buf;
  20         gd->ram_size = state->ram_size;
  21 }
  22
  23 u32 spl_boot_device(void)
  24 {
  25         return BOOT_DEVICE_BOARD;
  26 }
  27
  28 void spl_board_announce_boot_device(void)
  29 {
  30         char fname[256];
  31         int ret;
  32
  33         ret = os_find_u_boot(fname, sizeof(fname));
  34         if (ret) {
  35                 printf("(%s not found, error %d)\n", fname, ret);
  36                 return;
  37         }
  38         printf("%s\n", fname);
  39 }
  40
  41 static int spl_board_load_image(struct spl_image_info *spl_image,
  42                                 struct spl_boot_device *bootdev)
  43 {
  44         char fname[256];
  45         int ret;
  46
  47         ret = os_find_u_boot(fname, sizeof(fname));
  48         if (ret)
  49                 return ret;
  50
  51         /* Hopefully this will not return */
  52         return os_spl_to_uboot(fname);
  53 }
  54 SPL_LOAD_IMAGE_METHOD("sandbox", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
  55
  56 void spl_board_init(void)
  57 {
  58         struct udevice *dev;
  59
  60         preloader_console_init();
  61
  62         /*
  63         * Scan all the devices so that we can output their platform data. See
  64         * sandbox_spl_probe().
  65         */
  66         for (uclass_first_device(UCLASS_MISC, &dev);
  67         dev;
  68         uclass_next_device(&dev))
  69                 ;
  70 }