LXR uboot/arch/sandbox/cpu/spl.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 2016 Google, Inc
   4 */
   5
   6#include <common.h>
   7#include <dm.h>
   8#include <hang.h>
   9#include <init.h>
  10#include <log.h>
  11#include <os.h>
  12#include <spl.h>
  13#include <asm/spl.h>
  14#include <asm/state.h>
  15#include <test/test.h>
  16
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19/* SPL / TPL init function */
  20void board_init_f(ulong flag)
  21{
  22        struct sandbox_state *state = state_get_current();
  23
  24        gd->arch.ram_buf = state->ram_buf;
  25        gd->ram_size = state->ram_size;
  26}
  27
  28u32 spl_boot_device(void)
  29{
  30        return BOOT_DEVICE_BOARD;
  31}
  32
  33static int spl_board_load_image(struct spl_image_info *spl_image,
  34                                struct spl_boot_device *bootdev)
  35{
  36        char fname[256];
  37        int ret;
  38
  39        ret = os_find_u_boot(fname, sizeof(fname));
  40        if (ret) {
  41                printf("(%s not found, error %d)\n", fname, ret);
  42                return ret;
  43        }
  44
  45        /* Set up spl_image to boot from jump_to_image_no_args() */
  46        spl_image->arg = strdup(fname);
  47        if (!spl_image->arg)
  48                return log_msg_ret("Setup exec filename", -ENOMEM);
  49
  50        return 0;
  51}
  52SPL_LOAD_IMAGE_METHOD("sandbox", 9, BOOT_DEVICE_BOARD, spl_board_load_image);
  53
  54void spl_board_init(void)
  55{
  56        struct sandbox_state *state = state_get_current();
  57
  58        preloader_console_init();
  59
  60        if (state->run_unittests) {
  61                int ret;
  62
  63                ret = dm_test_main(state->select_unittests);
  64                /* continue execution into U-Boot */
  65        }
  66}
  67
  68void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
  69{
  70        const char *fname = spl_image->arg;
  71
  72        if (fname) {
  73                os_fd_restore();
  74                os_spl_to_uboot(fname);
  75        } else {
  76                printf("No filename provided for U-Boot\n");
  77        }
  78        hang();
  79}
  80
  81int handoff_arch_save(struct spl_handoff *ho)
  82{
  83        ho->arch.magic = TEST_HANDOFF_MAGIC;
  84
  85        return 0;
  86}
  87