]>
Commit | Line | Data |
---|---|---|
9ea5c6ef SS |
1 | /* |
2 | * Copyright (C) 2011 | |
3 | * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
9ea5c6ef SS |
6 | */ |
7 | #include <common.h> | |
d97b4ce8 | 8 | #include <config.h> |
47f7bcae | 9 | #include <spl.h> |
df163a59 | 10 | #include <asm/io.h> |
9ea5c6ef | 11 | #include <nand.h> |
9ea5c6ef | 12 | |
9ea5c6ef SS |
13 | void spl_nand_load_image(void) |
14 | { | |
15 | struct image_header *header; | |
df163a59 SS |
16 | int *src __attribute__((unused)); |
17 | int *dst __attribute__((unused)); | |
18 | ||
8082fda9 | 19 | debug("spl: nand - using hw ecc\n"); |
8082fda9 | 20 | nand_init(); |
9ea5c6ef SS |
21 | |
22 | /*use CONFIG_SYS_TEXT_BASE as temporary storage area */ | |
23 | header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); | |
df163a59 | 24 | #ifdef CONFIG_SPL_OS_BOOT |
379c19ab | 25 | if (!spl_start_uboot()) { |
df163a59 SS |
26 | /* |
27 | * load parameter image | |
28 | * load to temp position since nand_spl_load_image reads | |
29 | * a whole block which is typically larger than | |
b6e95fd4 | 30 | * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite |
df163a59 SS |
31 | * following sections like BSS |
32 | */ | |
33 | nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS, | |
34 | CONFIG_CMD_SPL_WRITE_SIZE, | |
35 | (void *)CONFIG_SYS_TEXT_BASE); | |
36 | /* copy to destintion */ | |
37 | for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR, | |
38 | src = (int *)CONFIG_SYS_TEXT_BASE; | |
39 | src < (int *)(CONFIG_SYS_TEXT_BASE + | |
40 | CONFIG_CMD_SPL_WRITE_SIZE); | |
41 | src++, dst++) { | |
42 | writel(readl(src), dst); | |
43 | } | |
9ea5c6ef | 44 | |
df163a59 SS |
45 | /* load linux */ |
46 | nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS, | |
c13bb167 | 47 | sizeof(*header), (void *)header); |
df163a59 | 48 | spl_parse_image_header(header); |
379c19ab SS |
49 | if (header->ih_os == IH_OS_LINUX) { |
50 | /* happy - was a linux */ | |
51 | nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS, | |
52 | spl_image.size, (void *)spl_image.load_addr); | |
53 | nand_deselect(); | |
54 | return; | |
55 | } else { | |
d97b4ce8 TR |
56 | puts("The Expected Linux image was not " |
57 | "found. Please check your NAND " | |
379c19ab | 58 | "configuration.\n"); |
d97b4ce8 | 59 | puts("Trying to start u-boot now...\n"); |
379c19ab SS |
60 | } |
61 | } | |
df163a59 | 62 | #endif |
9ea5c6ef | 63 | #ifdef CONFIG_NAND_ENV_DST |
379c19ab | 64 | nand_spl_load_image(CONFIG_ENV_OFFSET, |
c13bb167 | 65 | sizeof(*header), (void *)header); |
379c19ab SS |
66 | spl_parse_image_header(header); |
67 | nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size, | |
68 | (void *)spl_image.load_addr); | |
9ea5c6ef | 69 | #ifdef CONFIG_ENV_OFFSET_REDUND |
379c19ab | 70 | nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, |
c13bb167 | 71 | sizeof(*header), (void *)header); |
379c19ab SS |
72 | spl_parse_image_header(header); |
73 | nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size, | |
74 | (void *)spl_image.load_addr); | |
9ea5c6ef SS |
75 | #endif |
76 | #endif | |
379c19ab SS |
77 | /* Load u-boot */ |
78 | nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, | |
50c8d66d | 79 | sizeof(*header), (void *)header); |
379c19ab SS |
80 | spl_parse_image_header(header); |
81 | nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, | |
82 | spl_image.size, (void *)spl_image.load_addr); | |
9ea5c6ef SS |
83 | nand_deselect(); |
84 | } |