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