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 int spl_nor_load_image(void) 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(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 /* 42 * Copy DT blob (fdt) to SDRAM. Passing pointer to 43 * flash doesn't work (16 KiB should be enough for DT) 44 */ 45 memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR, 46 (void *)(CONFIG_SYS_FDT_BASE), 47 (16 << 10)); 48 49 return 0; 50 } else { 51 puts("The Expected Linux image was not found.\n" 52 "Please check your NOR configuration.\n" 53 "Trying to start u-boot now...\n"); 54 } 55 } 56 #endif 57 58 /* 59 * Load real U-Boot from its location in NOR flash to its 60 * defined location in SDRAM 61 */ 62 ret = spl_parse_image_header( 63 (const struct image_header *)CONFIG_SYS_UBOOT_BASE); 64 if (ret) 65 return ret; 66 67 memcpy((void *)(unsigned long)spl_image.load_addr, 68 (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)), 69 spl_image.size); 70 71 return 0; 72 } 73