1 /* 2 * Copyright (C) 2012 Stefan Roese <sr@denx.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <spl.h> 9 10 static int spl_nor_load_image(struct spl_image_info *spl_image, 11 struct spl_boot_device *bootdev) 12 { 13 int ret; 14 /* 15 * Loading of the payload to SDRAM is done with skipping of 16 * the mkimage header in this SPL NOR driver 17 */ 18 spl_image->flags |= SPL_COPY_PAYLOAD_ONLY; 19 20 #ifdef CONFIG_SPL_OS_BOOT 21 if (!spl_start_uboot()) { 22 const struct image_header *header; 23 24 /* 25 * Load Linux from its location in NOR flash to its defined 26 * location in SDRAM 27 */ 28 header = (const struct image_header *)CONFIG_SYS_OS_BASE; 29 30 if (image_get_os(header) == IH_OS_LINUX) { 31 /* happy - was a Linux */ 32 33 ret = spl_parse_image_header(spl_image, header); 34 if (ret) 35 return ret; 36 37 memcpy((void *)spl_image->load_addr, 38 (void *)(CONFIG_SYS_OS_BASE + 39 sizeof(struct image_header)), 40 spl_image->size); 41 42 spl_image->arg = (void *)CONFIG_SYS_FDT_BASE; 43 44 return 0; 45 } else { 46 puts("The Expected Linux image was not found.\n" 47 "Please check your NOR configuration.\n" 48 "Trying to start u-boot now...\n"); 49 } 50 } 51 #endif 52 53 /* 54 * Load real U-Boot from its location in NOR flash to its 55 * defined location in SDRAM 56 */ 57 ret = spl_parse_image_header(spl_image, 58 (const struct image_header *)CONFIG_SYS_UBOOT_BASE); 59 if (ret) 60 return ret; 61 62 memcpy((void *)(unsigned long)spl_image->load_addr, 63 (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)), 64 spl_image->size); 65 66 return 0; 67 } 68 SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image); 69