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https://github.com/AsahiLinux/u-boot
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6536ca4d66
The symbol CONFIG_SPL_DFU_SUPPORT in SPL build has the same meaning as CONFIG_DFU in regular U-Boot. Drop the _SUPPORT to allow for cleaner use in code. Signed-off-by: Andrew F. Davis <afd@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Lukasz Majewski <lukma@denx.de>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
// 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 <michal.simek@xilinx.com>
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* Stefan Agner <stefan.agner@toradex.com>
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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)
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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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u_boot_pos = (ulong)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)
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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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