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 /* 43 * Copy DT blob (fdt) to SDRAM. Passing pointer to 44 * flash doesn't work 45 */ 46 memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR, 47 (void *)(CONFIG_SYS_FDT_BASE), 48 CONFIG_SYS_FDT_SIZE); 49 50 return 0; 51 } else { 52 puts("The Expected Linux image was not found.\n" 53 "Please check your NOR configuration.\n" 54 "Trying to start u-boot now...\n"); 55 } 56 } 57 #endif 58 59 /* 60 * Load real U-Boot from its location in NOR flash to its 61 * defined location in SDRAM 62 */ 63 ret = spl_parse_image_header(spl_image, 64 (const struct image_header *)CONFIG_SYS_UBOOT_BASE); 65 if (ret) 66 return ret; 67 68 memcpy((void *)(unsigned long)spl_image->load_addr, 69 (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)), 70 spl_image->size); 71 72 return 0; 73 } 74 SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image); 75