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 | ||
| 56df4635 | 25 | static int spl_usb_load_image(struct spl_boot_device *bootdev) |
| 8cffe5bd DM |
26 | { |
| 27 | int err; | |
| 4101f687 | 28 | struct blk_desc *stor_dev; |
| 8cffe5bd DM |
29 | |
| 30 | usb_stop(); | |
| 31 | err = usb_init(); | |
| 32 | if (err) { | |
| 33 | #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT | |
| 34 | printf("%s: usb init failed: err - %d\n", __func__, err); | |
| 35 | #endif | |
| 36afd451 | 36 | return err; |
| 8cffe5bd DM |
37 | } |
| 38 | ||
| 39 | #ifdef CONFIG_USB_STORAGE | |
| 40 | /* try to recognize storage devices immediately */ | |
| 41 | usb_stor_curr_dev = usb_stor_scan(1); | |
| 57ebf67b | 42 | stor_dev = blk_get_devnum_by_type(IF_TYPE_USB, usb_stor_curr_dev); |
| 36afd451 NK |
43 | if (!stor_dev) |
| 44 | return -ENODEV; | |
| 8cffe5bd DM |
45 | #endif |
| 46 | ||
| 47 | debug("boot mode - FAT\n"); | |
| 48 | ||
| 49 | #ifdef CONFIG_SPL_OS_BOOT | |
| 50 | if (spl_start_uboot() || spl_load_image_fat_os(stor_dev, | |
| 51 | CONFIG_SYS_USB_FAT_BOOT_PARTITION)) | |
| 52 | #endif | |
| 53 | err = spl_load_image_fat(stor_dev, | |
| 54 | CONFIG_SYS_USB_FAT_BOOT_PARTITION, | |
| 205b4f33 | 55 | CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); |
| 8cffe5bd | 56 | |
| 36afd451 NK |
57 | if (err) { |
| 58 | puts("Error loading from USB device\n"); | |
| 59 | return err; | |
| 60 | } | |
| 61 | ||
| 62 | return 0; | |
| 8cffe5bd | 63 | } |
| 56df4635 | 64 | SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_USB, spl_usb_load_image); |