1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2013
4 * Texas Instruments, <www.ti.com>
5 *
6 * Dan Murphy <dmurphy@ti.com>
7 *
8 * Derived work from spl_usb.c
9 */
10
11 #include <common.h>
12 #include <spl.h>
13 #include <asm/u-boot.h>
14 #include <sata.h>
15 #include <scsi.h>
16 #include <errno.h>
17 #include <fat.h>
18 #include <image.h>
19
20 #ifndef CONFIG_SYS_SATA_FAT_BOOT_PARTITION
21 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1
22 #endif
23
24 #ifndef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
25 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
26 #endif
27
28 #ifndef CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR
29 /* Dummy value to make the compiler happy */
30 #define CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR 0x100
31 #endif
32
spl_sata_load_image_raw(struct spl_image_info * spl_image,struct blk_desc * stor_dev,unsigned long sector)33 static int spl_sata_load_image_raw(struct spl_image_info *spl_image,
34 struct blk_desc *stor_dev, unsigned long sector)
35 {
36 struct image_header *header;
37 unsigned long count;
38 u32 image_size_sectors;
39 int ret;
40
41 header = spl_get_load_buffer(-sizeof(*header), stor_dev->blksz);
42 count = blk_dread(stor_dev, sector, 1, header);
43 if (count == 0)
44 return -EIO;
45
46 ret = spl_parse_image_header(spl_image, header);
47 if (ret)
48 return ret;
49
50 image_size_sectors = DIV_ROUND_UP(spl_image->size, stor_dev->blksz);
51 count = blk_dread(stor_dev, sector, image_size_sectors,
52 (void *)spl_image->load_addr);
53 if (count != image_size_sectors)
54 return -EIO;
55
56 return 0;
57 }
58
spl_sata_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)59 static int spl_sata_load_image(struct spl_image_info *spl_image,
60 struct spl_boot_device *bootdev)
61 {
62 int err = 0;
63 struct blk_desc *stor_dev;
64
65 #if !defined(CONFIG_DM_SCSI) && !defined(CONFIG_AHCI)
66 err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
67 #endif
68 if (err) {
69 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
70 printf("spl: sata init failed: err - %d\n", err);
71 #endif
72 return err;
73 } else {
74 /* try to recognize storage devices immediately */
75 scsi_scan(false);
76 stor_dev = blk_get_devnum_by_type(IF_TYPE_SCSI, 0);
77 if (!stor_dev)
78 return -ENODEV;
79 }
80
81 #ifdef CONFIG_SPL_OS_BOOT
82 if (spl_start_uboot() ||
83 spl_load_image_fat_os(spl_image, stor_dev,
84 CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
85 #endif
86 {
87 err = -ENOSYS;
88
89 if (IS_ENABLED(CONFIG_SPL_FS_FAT)) {
90 err = spl_load_image_fat(spl_image, stor_dev,
91 CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
92 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
93 } else if (IS_ENABLED(CONFIG_SPL_SATA_RAW_U_BOOT_USE_SECTOR)) {
94 err = spl_sata_load_image_raw(spl_image, stor_dev,
95 CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR);
96 }
97 }
98 if (err) {
99 puts("Error loading sata device\n");
100 return err;
101 }
102
103 return 0;
104 }
105 SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);
106