xref: /openbmc/u-boot/arch/sandbox/cpu/spl.c (revision 90101386)
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 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 	/* Hopefully this will not return */
41 	return os_spl_to_uboot(fname);
42 }
43 SPL_LOAD_IMAGE_METHOD("sandbox", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
44 
45 void spl_board_init(void)
46 {
47 	struct udevice *dev;
48 
49 	preloader_console_init();
50 
51 	/*
52 	* Scan all the devices so that we can output their platform data. See
53 	* sandbox_spl_probe().
54 	*/
55 	for (uclass_first_device(UCLASS_MISC, &dev);
56 	dev;
57 	uclass_next_device(&dev))
58 		;
59 }
60