| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2012 Stefan Roese <sr@denx.de> |
| */ |
| |
| #include <common.h> |
| #include <image.h> |
| #include <imx_container.h> |
| #include <log.h> |
| #include <spl.h> |
| |
| static ulong spl_nor_load_read(struct spl_load_info *load, ulong sector, |
| ulong count, void *buf) |
| { |
| debug("%s: sector %lx, count %lx, buf %p\n", |
| __func__, sector, count, buf); |
| memcpy(buf, (void *)sector, count); |
| |
| return count; |
| } |
| |
| unsigned long __weak spl_nor_get_uboot_base(void) |
| { |
| return CFG_SYS_UBOOT_BASE; |
| } |
| |
| static int spl_nor_load_image(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev) |
| { |
| struct legacy_img_hdr *header; |
| __maybe_unused struct spl_load_info load; |
| |
| /* |
| * Loading of the payload to SDRAM is done with skipping of |
| * the mkimage header in this SPL NOR driver |
| */ |
| spl_image->flags |= SPL_COPY_PAYLOAD_ONLY; |
| |
| #if CONFIG_IS_ENABLED(OS_BOOT) |
| if (!spl_start_uboot()) { |
| /* |
| * Load Linux from its location in NOR flash to its defined |
| * location in SDRAM |
| */ |
| header = (void *)CONFIG_SYS_OS_BASE; |
| #ifdef CONFIG_SPL_LOAD_FIT |
| if (image_get_magic(header) == FDT_MAGIC) { |
| int ret; |
| |
| debug("Found FIT\n"); |
| load.bl_len = 1; |
| load.read = spl_nor_load_read; |
| |
| ret = spl_load_simple_fit(spl_image, &load, |
| CONFIG_SYS_OS_BASE, |
| (void *)header); |
| |
| #if defined CONFIG_SPL_PAYLOAD_ARGS_ADDR && defined CONFIG_CMD_SPL_NOR_OFS |
| memcpy((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, |
| (void *)CONFIG_CMD_SPL_NOR_OFS, |
| CONFIG_CMD_SPL_WRITE_SIZE); |
| #endif |
| return ret; |
| } |
| #endif |
| if (image_get_os(header) == IH_OS_LINUX) { |
| /* happy - was a Linux */ |
| int ret; |
| |
| ret = spl_parse_image_header(spl_image, bootdev, header); |
| if (ret) |
| return ret; |
| |
| memcpy((void *)spl_image->load_addr, |
| (void *)(CONFIG_SYS_OS_BASE + |
| sizeof(struct legacy_img_hdr)), |
| spl_image->size); |
| #ifdef CONFIG_SPL_PAYLOAD_ARGS_ADDR |
| spl_image->arg = (void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR; |
| #endif |
| |
| return 0; |
| } else { |
| puts("The Expected Linux image was not found.\n" |
| "Please check your NOR configuration.\n" |
| "Trying to start u-boot now...\n"); |
| } |
| } |
| #endif |
| |
| /* |
| * Load real U-Boot from its location in NOR flash to its |
| * defined location in SDRAM |
| */ |
| header = (const struct legacy_img_hdr *)spl_nor_get_uboot_base(); |
| #ifdef CONFIG_SPL_LOAD_FIT |
| if (image_get_magic(header) == FDT_MAGIC) { |
| debug("Found FIT format U-Boot\n"); |
| load.bl_len = 1; |
| load.read = spl_nor_load_read; |
| return spl_load_simple_fit(spl_image, &load, |
| spl_nor_get_uboot_base(), |
| (void *)header); |
| } |
| #endif |
| if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER) && |
| valid_container_hdr((void *)header)) { |
| load.bl_len = 1; |
| load.read = spl_nor_load_read; |
| return spl_load_imx_container(spl_image, &load, |
| spl_nor_get_uboot_base()); |
| } |
| |
| /* Legacy image handling */ |
| if (IS_ENABLED(CONFIG_SPL_LEGACY_IMAGE_FORMAT)) { |
| load.bl_len = 1; |
| load.read = spl_nor_load_read; |
| return spl_load_legacy_img(spl_image, bootdev, &load, |
| spl_nor_get_uboot_base(), |
| header); |
| } |
| |
| return -EINVAL; |
| } |
| SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image); |