1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
2 /*
3 * Copyright (C) 2016
4 * Ladislav Michl <ladis@linux-mips.org>
5 */
6
7 #include <common.h>
8 #include <config.h>
9 #include <image.h>
10 #include <nand.h>
11 #include <onenand_uboot.h>
12 #include <ubispl.h>
13 #include <spl.h>
14
spl_ubi_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)15 int spl_ubi_load_image(struct spl_image_info *spl_image,
16 struct spl_boot_device *bootdev)
17 {
18 struct image_header *header;
19 struct ubispl_info info;
20 struct ubispl_load volumes[2];
21 int ret = 1;
22
23 switch (bootdev->boot_device) {
24 #ifdef CONFIG_SPL_NAND_SUPPORT
25 case BOOT_DEVICE_NAND:
26 nand_init();
27 info.read = nand_spl_read_block;
28 info.peb_size = CONFIG_SYS_NAND_BLOCK_SIZE;
29 break;
30 #endif
31 #ifdef CONFIG_SPL_ONENAND_SUPPORT
32 case BOOT_DEVICE_ONENAND:
33 info.read = onenand_spl_read_block;
34 info.peb_size = CONFIG_SYS_ONENAND_BLOCK_SIZE;
35 break;
36 #endif
37 default:
38 goto out;
39 }
40 info.ubi = (struct ubi_scan_info *)CONFIG_SPL_UBI_INFO_ADDR;
41 info.fastmap = IS_ENABLED(CONFIG_MTD_UBI_FASTMAP);
42
43 info.peb_offset = CONFIG_SPL_UBI_PEB_OFFSET;
44 info.vid_offset = CONFIG_SPL_UBI_VID_OFFSET;
45 info.leb_start = CONFIG_SPL_UBI_LEB_START;
46 info.peb_count = CONFIG_SPL_UBI_MAX_PEBS - info.peb_offset;
47
48 #ifdef CONFIG_SPL_OS_BOOT
49 if (!spl_start_uboot()) {
50 volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_KERNEL_ID;
51 volumes[0].load_addr = (void *)CONFIG_SYS_LOAD_ADDR;
52 volumes[1].vol_id = CONFIG_SPL_UBI_LOAD_ARGS_ID;
53 volumes[1].load_addr = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
54
55 ret = ubispl_load_volumes(&info, volumes, 2);
56 if (!ret) {
57 header = (struct image_header *)volumes[0].load_addr;
58 spl_parse_image_header(spl_image, header);
59 puts("Linux loaded.\n");
60 goto out;
61 }
62 puts("Loading Linux failed, falling back to U-Boot.\n");
63 }
64 #endif
65 header = spl_get_load_buffer(-sizeof(*header), sizeof(header));
66 #ifdef CONFIG_SPL_UBI_LOAD_BY_VOLNAME
67 volumes[0].vol_id = -1;
68 strncpy(volumes[0].name,
69 CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME,
70 UBI_VOL_NAME_MAX + 1);
71 #else
72 volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_MONITOR_ID;
73 #endif
74 volumes[0].load_addr = (void *)header;
75
76 ret = ubispl_load_volumes(&info, volumes, 1);
77 if (!ret)
78 spl_parse_image_header(spl_image, header);
79 out:
80 #ifdef CONFIG_SPL_NAND_SUPPORT
81 if (bootdev->boot_device == BOOT_DEVICE_NAND)
82 nand_deselect();
83 #endif
84 return ret;
85 }
86 /* Use priorty 0 so that Ubi will override NAND and ONENAND methods */
87 SPL_LOAD_IMAGE_METHOD("NAND", 0, BOOT_DEVICE_NAND, spl_ubi_load_image);
88 SPL_LOAD_IMAGE_METHOD("OneNAND", 0, BOOT_DEVICE_ONENAND, spl_ubi_load_image);
89