projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 8cffe5bd DM |
1 | /* |
| 2 | * (C) Copyright 2014 | |
| 3 | * Texas Instruments, <www.ti.com> | |
| 4 | * | |
| 5 | * Dan Murphy <dmurphy@ti.com> | |
| 6 | * | |
| 7 | * SPDX-License-Identifier: GPL-2.0+ | |
| 8 | * | |
| 9 | * Derived work from spl_mmc.c | |
| 10 | */ | |
| 11 | ||
| 12 | #include <common.h> | |
| 13 | #include <spl.h> | |
| 14 | #include <asm/u-boot.h> | |
| 36afd451 | 15 | #include <errno.h> |
| 8cffe5bd DM |
16 | #include <usb.h> |
| 17 | #include <fat.h> | |
| 18 | ||
| 19 | DECLARE_GLOBAL_DATA_PTR; | |
| 20 | ||
| 21 | #ifdef CONFIG_USB_STORAGE | |
| 22 | static int usb_stor_curr_dev = -1; /* current device */ | |
| 23 | #endif | |
| 24 | ||
| 2a2ee2ac SG |
25 | static int spl_usb_load_image(struct spl_image_info *spl_image, |
| 26 | struct spl_boot_device *bootdev) | |
| 8cffe5bd DM |
27 | { |
| 28 | int err; | |
| 4101f687 | 29 | struct blk_desc *stor_dev; |
| 8cffe5bd DM |
30 | |
| 31 | usb_stop(); | |
| 32 | err = usb_init(); | |
| 33 | if (err) { | |
| 34 | #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT | |
| 35 | printf("%s: usb init failed: err - %d\n", __func__, err); | |
| 36 | #endif | |
| 36afd451 | 37 | return err; |
| 8cffe5bd DM |
38 | } |
| 39 | ||
| 40 | #ifdef CONFIG_USB_STORAGE | |
| 41 | /* try to recognize storage devices immediately */ | |
| 42 | usb_stor_curr_dev = usb_stor_scan(1); | |
| 57ebf67b | 43 | stor_dev = blk_get_devnum_by_type(IF_TYPE_USB, usb_stor_curr_dev); |
| 36afd451 NK |
44 | if (!stor_dev) |
| 45 | return -ENODEV; | |
| 8cffe5bd DM |
46 | #endif |
| 47 | ||
| 48 | debug("boot mode - FAT\n"); | |
| 49 | ||
| 50 | #ifdef CONFIG_SPL_OS_BOOT | |
| 710e9ca5 SG |
51 | if (spl_start_uboot() || |
| 52 | spl_load_image_fat_os(spl_image, stor_dev, | |
| 53 | CONFIG_SYS_USB_FAT_BOOT_PARTITION)) | |
| 8cffe5bd | 54 | #endif |
| 710e9ca5 SG |
55 | { |
| 56 | err = spl_load_image_fat(spl_image, stor_dev, | |
| 57 | CONFIG_SYS_USB_FAT_BOOT_PARTITION, | |
| 58 | CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); | |
| 59 | } | |
| 8cffe5bd | 60 | |
| 36afd451 NK |
61 | if (err) { |
| 62 | puts("Error loading from USB device\n"); | |
| 63 | return err; | |
| 64 | } | |
| 65 | ||
| 66 | return 0; | |
| 8cffe5bd | 67 | } |
| ebc4ef61 | 68 | SPL_LOAD_IMAGE_METHOD("USB", 0, BOOT_DEVICE_USB, spl_usb_load_image); |