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 <os.h>
9 #include <spl.h>
10 #include <asm/spl.h>
11 #include <asm/state.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
board_init_f(ulong flag)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
spl_boot_device(void)23 u32 spl_boot_device(void)
24 {
25 return BOOT_DEVICE_BOARD;
26 }
27
spl_board_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)28 static int spl_board_load_image(struct spl_image_info *spl_image,
29 struct spl_boot_device *bootdev)
30 {
31 char fname[256];
32 int ret;
33
34 ret = os_find_u_boot(fname, sizeof(fname));
35 if (ret) {
36 printf("(%s not found, error %d)\n", fname, ret);
37 return ret;
38 }
39
40 /* Set up spl_image to boot from jump_to_image_no_args() */
41 spl_image->arg = strdup(fname);
42 if (!spl_image->arg)
43 return log_msg_ret("Setup exec filename", -ENOMEM);
44
45 return 0;
46 }
47 SPL_LOAD_IMAGE_METHOD("sandbox", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
48
spl_board_init(void)49 void spl_board_init(void)
50 {
51 struct sandbox_state *state = state_get_current();
52 struct udevice *dev;
53
54 preloader_console_init();
55 if (state->show_of_platdata) {
56 /*
57 * Scan all the devices so that we can output their platform
58 * data. See sandbox_spl_probe().
59 */
60 printf("Scanning misc devices\n");
61 for (uclass_first_device(UCLASS_MISC, &dev);
62 dev;
63 uclass_next_device(&dev))
64 ;
65 }
66 }
67
jump_to_image_no_args(struct spl_image_info * spl_image)68 void __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