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 /* 13 * Loading of the payload to SDRAM is done with skipping of 14 * the mkimage header in this SPL NOR driver 15 */ 16 spl_image.flags |= SPL_COPY_PAYLOAD_ONLY; 17 18 #ifdef CONFIG_SPL_OS_BOOT 19 if (!spl_start_uboot()) { 20 const struct image_header *header; 21 22 /* 23 * Load Linux from its location in NOR flash to its defined 24 * location in SDRAM 25 */ 26 header = (const struct image_header *)CONFIG_SYS_OS_BASE; 27 28 if (image_get_os(header) == IH_OS_LINUX) { 29 /* happy - was a Linux */ 30 31 spl_parse_image_header(header); 32 33 memcpy((void *)spl_image.load_addr, 34 (void *)(CONFIG_SYS_OS_BASE + 35 sizeof(struct image_header)), 36 spl_image.size); 37 38 /* 39 * Copy DT blob (fdt) to SDRAM. Passing pointer to 40 * flash doesn't work (16 KiB should be enough for DT) 41 */ 42 memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR, 43 (void *)(CONFIG_SYS_FDT_BASE), 44 (16 << 10)); 45 46 return 0; 47 } else { 48 puts("The Expected Linux image was not found.\n" 49 "Please check your NOR configuration.\n" 50 "Trying to start u-boot now...\n"); 51 } 52 } 53 #endif 54 55 /* 56 * Load real U-Boot from its location in NOR flash to its 57 * defined location in SDRAM 58 */ 59 spl_parse_image_header( 60 (const struct image_header *)CONFIG_SYS_UBOOT_BASE); 61 62 memcpy((void *)spl_image.load_addr, 63 (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)), 64 spl_image.size); 65 66 return 0; 67 } 68