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
15 /* SPL / TPL init function */
board_init_f(ulong flag)16 void board_init_f(ulong flag)
17 {
18 struct sandbox_state *state = state_get_current();
19
20 gd->arch.ram_buf = state->ram_buf;
21 gd->ram_size = state->ram_size;
22 }
23
spl_boot_device(void)24 u32 spl_boot_device(void)
25 {
26 return BOOT_DEVICE_BOARD;
27 }
28
spl_board_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)29 static int spl_board_load_image(struct spl_image_info *spl_image,
30 struct spl_boot_device *bootdev)
31 {
32 char fname[256];
33 int ret;
34
35 ret = os_find_u_boot(fname, sizeof(fname));
36 if (ret) {
37 printf("(%s not found, error %d)\n", fname, ret);
38 return ret;
39 }
40
41 /* Set up spl_image to boot from jump_to_image_no_args() */
42 spl_image->arg = strdup(fname);
43 if (!spl_image->arg)
44 return log_msg_ret("Setup exec filename", -ENOMEM);
45
46 return 0;
47 }
48 SPL_LOAD_IMAGE_METHOD("sandbox", 9, BOOT_DEVICE_BOARD, spl_board_load_image);
49
spl_board_init(void)50 void spl_board_init(void)
51 {
52 struct sandbox_state *state = state_get_current();
53 struct udevice *dev;
54
55 preloader_console_init();
56 if (state->show_of_platdata) {
57 /*
58 * Scan all the devices so that we can output their platform
59 * data. See sandbox_spl_probe().
60 */
61 printf("Scanning misc devices\n");
62 for (uclass_first_device(UCLASS_MISC, &dev);
63 dev;
64 uclass_next_device(&dev))
65 ;
66 }
67 }
68
jump_to_image_no_args(struct spl_image_info * spl_image)69 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
70 {
71 const char *fname = spl_image->arg;
72
73 if (fname) {
74 os_fd_restore();
75 os_spl_to_uboot(fname);
76 } else {
77 printf("No filename provided for U-Boot\n");
78 }
79 hang();
80 }
81
handoff_arch_save(struct spl_handoff * ho)82 int handoff_arch_save(struct spl_handoff *ho)
83 {
84 ho->arch.magic = TEST_HANDOFF_MAGIC;
85
86 return 0;
87 }
88