upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/common/spl/spl_nor.c

74 lines
1.8 KiB

/*
* Copyright (C) 2012 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
static int spl_nor_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
int ret;
/*
* 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;
#ifdef CONFIG_SPL_OS_BOOT
if (!spl_start_uboot()) {
const struct image_header *header;
/*
* Load Linux from its location in NOR flash to its defined
* location in SDRAM
*/
header = (const struct image_header *)CONFIG_SYS_OS_BASE;
if (image_get_os(header) == IH_OS_LINUX) {
/* happy - was a Linux */
ret = spl_parse_image_header(spl_image, header);
if (ret)
return ret;
memcpy((void *)spl_image->load_addr,
(void *)(CONFIG_SYS_OS_BASE +
sizeof(struct image_header)),
spl_image->size);
/*
* Copy DT blob (fdt) to SDRAM. Passing pointer to
* flash doesn't work
*/
memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
(void *)(CONFIG_SYS_FDT_BASE),
CONFIG_SYS_FDT_SIZE);
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
*/
ret = spl_parse_image_header(spl_image,
(const struct image_header *)CONFIG_SYS_UBOOT_BASE);
if (ret)
return ret;
memcpy((void *)(unsigned long)spl_image->load_addr,
(void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)),
spl_image->size);
return 0;
}
SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);