projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 8cffe5bd DM |
2 | /* |
| 3 | * (C) Copyright 2014 | |
| 4 | * Texas Instruments, <www.ti.com> | |
| 5 | * | |
| 6 | * Dan Murphy <dmurphy@ti.com> | |
| 7 | * | |
| 8cffe5bd DM |
8 | * Derived work from spl_mmc.c |
| 9 | */ | |
| 10 | ||
| 11 | #include <common.h> | |
| 12 | #include <spl.h> | |
| 13 | #include <asm/u-boot.h> | |
| 36afd451 | 14 | #include <errno.h> |
| 8cffe5bd DM |
15 | #include <usb.h> |
| 16 | #include <fat.h> | |
| 17 | ||
| 8cffe5bd DM |
18 | #ifdef CONFIG_USB_STORAGE |
| 19 | static int usb_stor_curr_dev = -1; /* current device */ | |
| 20 | #endif | |
| 21 | ||
| 2a2ee2ac SG |
22 | static int spl_usb_load_image(struct spl_image_info *spl_image, |
| 23 | struct spl_boot_device *bootdev) | |
| 8cffe5bd DM |
24 | { |
| 25 | int err; | |
| 4101f687 | 26 | struct blk_desc *stor_dev; |
| 8cffe5bd DM |
27 | |
| 28 | usb_stop(); | |
| 29 | err = usb_init(); | |
| 30 | if (err) { | |
| 31 | #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT | |
| 32 | printf("%s: usb init failed: err - %d\n", __func__, err); | |
| 33 | #endif | |
| 36afd451 | 34 | return err; |
| 8cffe5bd DM |
35 | } |
| 36 | ||
| 37 | #ifdef CONFIG_USB_STORAGE | |
| 38 | /* try to recognize storage devices immediately */ | |
| 39 | usb_stor_curr_dev = usb_stor_scan(1); | |
| 57ebf67b | 40 | stor_dev = blk_get_devnum_by_type(IF_TYPE_USB, usb_stor_curr_dev); |
| 36afd451 NK |
41 | if (!stor_dev) |
| 42 | return -ENODEV; | |
| 8cffe5bd DM |
43 | #endif |
| 44 | ||
| 45 | debug("boot mode - FAT\n"); | |
| 46 | ||
| 47 | #ifdef CONFIG_SPL_OS_BOOT | |
| 710e9ca5 SG |
48 | if (spl_start_uboot() || |
| 49 | spl_load_image_fat_os(spl_image, stor_dev, | |
| 50 | CONFIG_SYS_USB_FAT_BOOT_PARTITION)) | |
| 8cffe5bd | 51 | #endif |
| 710e9ca5 SG |
52 | { |
| 53 | err = spl_load_image_fat(spl_image, stor_dev, | |
| 54 | CONFIG_SYS_USB_FAT_BOOT_PARTITION, | |
| 55 | CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); | |
| 56 | } | |
| 8cffe5bd | 57 | |
| 36afd451 NK |
58 | if (err) { |
| 59 | puts("Error loading from USB device\n"); | |
| 60 | return err; | |
| 61 | } | |
| 62 | ||
| 63 | return 0; | |
| 8cffe5bd | 64 | } |
| ebc4ef61 | 65 | SPL_LOAD_IMAGE_METHOD("USB", 0, BOOT_DEVICE_USB, spl_usb_load_image); |