mirror of
https://github.com/brain-hackers/u-boot-brain
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a4a16c9181
This commit adds falcon boot support (by also copying args necessary for booting) to the SPL NOR memory driver. After this change it is possible to use the falcon boot in the same way as on NAND memories. The necessary configs (i.e. CONFIG_CMD_SPL_NOR_OFS) are now defined in Kconfig. Signed-off-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com>
122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2012 Stefan Roese <sr@denx.de>
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*/
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#include <common.h>
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#include <spl.h>
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static ulong spl_nor_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 %p\n",
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__func__, sector, count, buf);
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memcpy(buf, (void *)sector, count);
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return count;
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}
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unsigned long __weak spl_nor_get_uboot_base(void)
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{
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return CONFIG_SYS_UBOOT_BASE;
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}
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static int spl_nor_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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int ret;
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__maybe_unused const struct image_header *header;
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__maybe_unused struct spl_load_info load;
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/*
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* Loading of the payload to SDRAM is done with skipping of
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* the mkimage header in this SPL NOR driver
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*/
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spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
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#ifdef CONFIG_SPL_OS_BOOT
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if (!spl_start_uboot()) {
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/*
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* Load Linux from its location in NOR flash to its defined
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* location in SDRAM
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*/
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header = (const struct image_header *)CONFIG_SYS_OS_BASE;
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#ifdef CONFIG_SPL_LOAD_FIT
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if (image_get_magic(header) == FDT_MAGIC) {
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debug("Found FIT\n");
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load.bl_len = 1;
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load.read = spl_nor_load_read;
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ret = spl_load_simple_fit(spl_image, &load,
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CONFIG_SYS_OS_BASE,
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(void *)header);
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#if defined CONFIG_SYS_SPL_ARGS_ADDR && defined CONFIG_CMD_SPL_NOR_OFS
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memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
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(void *)CONFIG_CMD_SPL_NOR_OFS,
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CONFIG_CMD_SPL_WRITE_SIZE);
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#endif
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return ret;
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}
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#endif
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if (image_get_os(header) == IH_OS_LINUX) {
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/* happy - was a Linux */
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ret = spl_parse_image_header(spl_image, header);
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if (ret)
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return ret;
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memcpy((void *)spl_image->load_addr,
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(void *)(CONFIG_SYS_OS_BASE +
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sizeof(struct image_header)),
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spl_image->size);
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#ifdef CONFIG_SYS_FDT_BASE
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spl_image->arg = (void *)CONFIG_SYS_FDT_BASE;
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#endif
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return 0;
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} else {
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puts("The Expected Linux image was not found.\n"
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"Please check your NOR configuration.\n"
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"Trying to start u-boot now...\n");
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}
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}
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#endif
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/*
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* Load real U-Boot from its location in NOR flash to its
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* defined location in SDRAM
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*/
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#ifdef CONFIG_SPL_LOAD_FIT
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header = (const struct image_header *)spl_nor_get_uboot_base();
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if (image_get_magic(header) == FDT_MAGIC) {
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debug("Found FIT format U-Boot\n");
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load.bl_len = 1;
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load.read = spl_nor_load_read;
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ret = spl_load_simple_fit(spl_image, &load,
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spl_nor_get_uboot_base(),
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(void *)header);
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return ret;
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}
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#endif
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if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
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load.bl_len = 1;
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load.read = spl_nor_load_read;
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return spl_load_imx_container(spl_image, &load,
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spl_nor_get_uboot_base());
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}
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ret = spl_parse_image_header(spl_image,
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(const struct image_header *)spl_nor_get_uboot_base());
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if (ret)
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return ret;
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memcpy((void *)(unsigned long)spl_image->load_addr,
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(void *)(spl_nor_get_uboot_base() + sizeof(struct image_header)),
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spl_image->size);
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return 0;
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}
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SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);
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