122802f4eSStefan Agner /* 222802f4eSStefan Agner * (C) Copyright 2016 322802f4eSStefan Agner * Xilinx, Inc. 422802f4eSStefan Agner * 522802f4eSStefan Agner * (C) Copyright 2016 622802f4eSStefan Agner * Toradex AG 722802f4eSStefan Agner * 822802f4eSStefan Agner * Michal Simek <michal.simek@xilinx.com> 922802f4eSStefan Agner * Stefan Agner <stefan.agner@toradex.com> 1022802f4eSStefan Agner * 1122802f4eSStefan Agner * SPDX-License-Identifier: GPL-2.0+ 1222802f4eSStefan Agner */ 1322802f4eSStefan Agner #include <common.h> 1422802f4eSStefan Agner #include <spl.h> 150e00a84cSMasahiro Yamada #include <linux/libfdt.h> 1622802f4eSStefan Agner 1722802f4eSStefan Agner #ifndef CONFIG_SPL_LOAD_FIT_ADDRESS 1822802f4eSStefan Agner # define CONFIG_SPL_LOAD_FIT_ADDRESS 0 1922802f4eSStefan Agner #endif 2022802f4eSStefan Agner 2122802f4eSStefan Agner static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector, 2222802f4eSStefan Agner ulong count, void *buf) 2322802f4eSStefan Agner { 2422802f4eSStefan Agner debug("%s: sector %lx, count %lx, buf %lx\n", 2522802f4eSStefan Agner __func__, sector, count, (ulong)buf); 2622802f4eSStefan Agner memcpy(buf, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS + sector), count); 2722802f4eSStefan Agner return count; 2822802f4eSStefan Agner } 2922802f4eSStefan Agner 3022802f4eSStefan Agner static int spl_ram_load_image(struct spl_image_info *spl_image, 3122802f4eSStefan Agner struct spl_boot_device *bootdev) 3222802f4eSStefan Agner { 3322802f4eSStefan Agner struct image_header *header; 3422802f4eSStefan Agner 3522802f4eSStefan Agner header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS; 3622802f4eSStefan Agner 3709b32b41SAndrew F. Davis #if CONFIG_IS_ENABLED(DFU) 3822802f4eSStefan Agner if (bootdev->boot_device == BOOT_DEVICE_DFU) 3922802f4eSStefan Agner spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0"); 4022802f4eSStefan Agner #endif 4122802f4eSStefan Agner 42*22c7c1a8SJoseph Chen #ifdef CONFIG_SPL_FIT_IMAGE_MULTIPLE 43*22c7c1a8SJoseph Chen if ((IS_ENABLED(CONFIG_SPL_LOAD_FIT) && 44*22c7c1a8SJoseph Chen image_get_magic(header) == FDT_MAGIC) || 45*22c7c1a8SJoseph Chen CONFIG_SPL_FIT_IMAGE_MULTIPLE > 1) { 46*22c7c1a8SJoseph Chen #else 4722802f4eSStefan Agner if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && 4822802f4eSStefan Agner image_get_magic(header) == FDT_MAGIC) { 49*22c7c1a8SJoseph Chen #endif 5022802f4eSStefan Agner struct spl_load_info load; 5122802f4eSStefan Agner 5222802f4eSStefan Agner debug("Found FIT\n"); 5322802f4eSStefan Agner load.bl_len = 1; 5422802f4eSStefan Agner load.read = spl_ram_load_read; 5522802f4eSStefan Agner spl_load_simple_fit(spl_image, &load, 0, header); 5622802f4eSStefan Agner } else { 5722802f4eSStefan Agner debug("Legacy image\n"); 5822802f4eSStefan Agner /* 5922802f4eSStefan Agner * Get the header. It will point to an address defined by 6022802f4eSStefan Agner * handoff which will tell where the image located inside 6122802f4eSStefan Agner * the flash. For now, it will temporary fixed to address 6222802f4eSStefan Agner * pointed by U-Boot. 6322802f4eSStefan Agner */ 6422802f4eSStefan Agner header = (struct image_header *) 6522802f4eSStefan Agner (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header)); 6622802f4eSStefan Agner 6722802f4eSStefan Agner spl_parse_image_header(spl_image, header); 6822802f4eSStefan Agner } 6922802f4eSStefan Agner 7022802f4eSStefan Agner return 0; 7122802f4eSStefan Agner } 7222802f4eSStefan Agner #if defined(CONFIG_SPL_RAM_DEVICE) 7322802f4eSStefan Agner SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM, spl_ram_load_image); 7422802f4eSStefan Agner #endif 7509b32b41SAndrew F. Davis #if CONFIG_IS_ENABLED(DFU) 7622802f4eSStefan Agner SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU, spl_ram_load_image); 7722802f4eSStefan Agner #endif 7822802f4eSStefan Agner 7922802f4eSStefan Agner 80