1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2012 Stefan Roese <sr@denx.de>
4 */
5
6 #include <common.h>
7 #include <spl.h>
8
spl_nor_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)9 static int spl_nor_load_image(struct spl_image_info *spl_image,
10 struct spl_boot_device *bootdev)
11 {
12 int ret;
13 /*
14 * Loading of the payload to SDRAM is done with skipping of
15 * the mkimage header in this SPL NOR driver
16 */
17 spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
18
19 #ifdef CONFIG_SPL_OS_BOOT
20 if (!spl_start_uboot()) {
21 const struct image_header *header;
22
23 /*
24 * Load Linux from its location in NOR flash to its defined
25 * location in SDRAM
26 */
27 header = (const struct image_header *)CONFIG_SYS_OS_BASE;
28
29 if (image_get_os(header) == IH_OS_LINUX) {
30 /* happy - was a Linux */
31
32 ret = spl_parse_image_header(spl_image, header);
33 if (ret)
34 return ret;
35
36 memcpy((void *)spl_image->load_addr,
37 (void *)(CONFIG_SYS_OS_BASE +
38 sizeof(struct image_header)),
39 spl_image->size);
40
41 spl_image->arg = (void *)CONFIG_SYS_FDT_BASE;
42
43 return 0;
44 } else {
45 puts("The Expected Linux image was not found.\n"
46 "Please check your NOR configuration.\n"
47 "Trying to start u-boot now...\n");
48 }
49 }
50 #endif
51
52 /*
53 * Load real U-Boot from its location in NOR flash to its
54 * defined location in SDRAM
55 */
56 ret = spl_parse_image_header(spl_image,
57 (const struct image_header *)CONFIG_SYS_UBOOT_BASE);
58 if (ret)
59 return ret;
60
61 memcpy((void *)(unsigned long)spl_image->load_addr,
62 (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)),
63 spl_image->size);
64
65 return 0;
66 }
67 SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);
68