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> 15 #include <usb.h> 16 #include <fat.h> 17 18 DECLARE_GLOBAL_DATA_PTR; 19 20 #ifdef CONFIG_USB_STORAGE 21 static int usb_stor_curr_dev = -1; /* current device */ 22 #endif 23 24 void spl_usb_load_image(void) 25 { 26 int err; 27 block_dev_desc_t *stor_dev; 28 29 usb_stop(); 30 err = usb_init(); 31 if (err) { 32 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 33 printf("%s: usb init failed: err - %d\n", __func__, err); 34 #endif 35 hang(); 36 } 37 38 #ifdef CONFIG_USB_STORAGE 39 /* try to recognize storage devices immediately */ 40 usb_stor_curr_dev = usb_stor_scan(1); 41 stor_dev = usb_stor_get_dev(usb_stor_curr_dev); 42 #endif 43 44 debug("boot mode - FAT\n"); 45 46 #ifdef CONFIG_SPL_OS_BOOT 47 if (spl_start_uboot() || spl_load_image_fat_os(stor_dev, 48 CONFIG_SYS_USB_FAT_BOOT_PARTITION)) 49 #endif 50 err = spl_load_image_fat(stor_dev, 51 CONFIG_SYS_USB_FAT_BOOT_PARTITION, 52 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); 53 54 if (err) { 55 puts("Error loading USB device\n"); 56 hang(); 57 } 58 } 59