xref: /openbmc/u-boot/common/spl/spl_ubi.c (revision ff383220)
1 /*
2  * Copyright (C) 2016
3  * Ladislav Michl <ladis@linux-mips.org>
4  *
5  * SPDX-License-Identifier: GPL 2.0+ BSD-3-Clause
6  */
7 
8 #include <common.h>
9 #include <config.h>
10 #include <nand.h>
11 #include <onenand_uboot.h>
12 #include <ubispl.h>
13 #include <spl.h>
14 
15 int spl_ubi_load_image(u32 boot_device)
16 {
17 	struct image_header *header;
18 	struct ubispl_info info;
19 	struct ubispl_load volumes[2];
20 	int ret = 1;
21 
22 	switch (boot_device) {
23 #ifdef CONFIG_SPL_NAND_SUPPORT
24 	case BOOT_DEVICE_NAND:
25 		nand_init();
26 		info.read = nand_spl_read_block;
27 		info.peb_size = CONFIG_SYS_NAND_BLOCK_SIZE;
28 		break;
29 #endif
30 #ifdef CONFIG_SPL_ONENAND_SUPPORT
31 	case BOOT_DEVICE_ONENAND:
32 		info.read = onenand_spl_read_block;
33 		info.peb_size = CONFIG_SYS_ONENAND_BLOCK_SIZE;
34 		break;
35 #endif
36 	default:
37 		goto out;
38 	}
39 	info.ubi = (struct ubi_scan_info *)CONFIG_SPL_UBI_INFO_ADDR;
40 	info.fastmap = 1;
41 
42 	info.peb_offset = CONFIG_SPL_UBI_PEB_OFFSET;
43 	info.vid_offset = CONFIG_SPL_UBI_VID_OFFSET;
44 	info.leb_start = CONFIG_SPL_UBI_LEB_START;
45 	info.peb_count = CONFIG_SPL_UBI_MAX_PEBS - info.peb_offset;
46 
47 #ifdef CONFIG_SPL_OS_BOOT
48 	if (!spl_start_uboot()) {
49 		volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_KERNEL_ID;
50 		volumes[0].load_addr = (void *)CONFIG_SYS_LOAD_ADDR;
51 		volumes[1].vol_id = CONFIG_SPL_UBI_LOAD_ARGS_ID;
52 		volumes[1].load_addr = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
53 
54 		ret = ubispl_load_volumes(&info, volumes, 2);
55 		if (!ret) {
56 			header = (struct image_header *)volumes[0].load_addr;
57 			spl_parse_image_header(header);
58 			puts("Linux loaded.\n");
59 			goto out;
60 		}
61 		puts("Loading Linux failed, falling back to U-Boot.\n");
62 	}
63 #endif
64 	header = (struct image_header *)
65 		(CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
66 	volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_MONITOR_ID;
67 	volumes[0].load_addr = (void *)header;
68 
69 	ret = ubispl_load_volumes(&info, volumes, 1);
70 	if (!ret)
71 		spl_parse_image_header(header);
72 out:
73 #ifdef CONFIG_SPL_NAND_SUPPORT
74 	if (boot_device == BOOT_DEVICE_NAND)
75 		nand_deselect();
76 #endif
77 	return ret;
78 }
79