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84 lines
2.1 KiB
84 lines
2.1 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* (C) Copyright 2016 |
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* Xilinx, Inc. |
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* |
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* (C) Copyright 2016 |
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* Toradex AG |
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* |
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* Michal Simek <[email protected]> |
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* Stefan Agner <[email protected]> |
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*/ |
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#include <common.h> |
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#include <binman_sym.h> |
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#include <mapmem.h> |
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#include <spl.h> |
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#include <linux/libfdt.h> |
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#ifndef CONFIG_SPL_LOAD_FIT_ADDRESS |
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# define CONFIG_SPL_LOAD_FIT_ADDRESS 0 |
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#endif |
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static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector, |
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ulong count, void *buf) |
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{ |
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debug("%s: sector %lx, count %lx, buf %lx\n", |
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__func__, sector, count, (ulong)buf); |
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memcpy(buf, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS + sector), count); |
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return count; |
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} |
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static int spl_ram_load_image(struct spl_image_info *spl_image, |
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struct spl_boot_device *bootdev) |
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{ |
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struct image_header *header; |
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header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS; |
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#if CONFIG_IS_ENABLED(DFU_SUPPORT) |
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if (bootdev->boot_device == BOOT_DEVICE_DFU) |
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spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0"); |
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#endif |
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && |
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image_get_magic(header) == FDT_MAGIC) { |
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struct spl_load_info load; |
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debug("Found FIT\n"); |
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load.bl_len = 1; |
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load.read = spl_ram_load_read; |
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spl_load_simple_fit(spl_image, &load, 0, header); |
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} else { |
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ulong u_boot_pos = binman_sym(ulong, u_boot_any, image_pos); |
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debug("Legacy image\n"); |
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/* |
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* Get the header. It will point to an address defined by |
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* handoff which will tell where the image located inside |
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* the flash. |
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*/ |
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debug("u_boot_pos = %lx\n", u_boot_pos); |
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if (u_boot_pos == BINMAN_SYM_MISSING) { |
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/* |
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* No binman support or no information. For now, fix it |
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* to the address pointed to by U-Boot. |
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*/ |
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header = spl_get_load_buffer(-sizeof(*header), |
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sizeof(*header)); |
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} |
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header = (struct image_header *)map_sysmem(u_boot_pos, 0); |
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spl_parse_image_header(spl_image, header); |
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} |
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return 0; |
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} |
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#if CONFIG_IS_ENABLED(RAM_DEVICE) |
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SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM, spl_ram_load_image); |
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#endif |
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#if CONFIG_IS_ENABLED(DFU_SUPPORT) |
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SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU, spl_ram_load_image); |
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#endif |
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