mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-23 03:19:43 +09:00
3bc4f1df03
i.MX8 only support AHAB secure boot with Container format image, we could not use FIT to support secure boot, so introduce container support to let SPL could load container images. Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tien Fong Chee <tien.fong.chee@intel.com> Cc: York Sun <york.sun@nxp.com> Cc: Marek Vasut <marex@denx.de> Cc: Alex Kiernan <alex.kiernan@gmail.com> Cc: Simon Glass <sjg@chromium.org> Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Cc: Kever Yang <kever.yang@rock-chips.com> Cc: Heiko Schocher <hs@denx.de> Signed-off-by: Peng Fan <peng.fan@nxp.com>
117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2012 Stefan Roese <sr@denx.de>
|
|
*/
|
|
|
|
#include <common.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 CONFIG_SYS_UBOOT_BASE;
|
|
}
|
|
|
|
static int spl_nor_load_image(struct spl_image_info *spl_image,
|
|
struct spl_boot_device *bootdev)
|
|
{
|
|
int ret;
|
|
__maybe_unused const struct image_header *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;
|
|
|
|
#ifdef CONFIG_SPL_OS_BOOT
|
|
if (!spl_start_uboot()) {
|
|
/*
|
|
* Load Linux from its location in NOR flash to its defined
|
|
* location in SDRAM
|
|
*/
|
|
header = (const struct image_header *)CONFIG_SYS_OS_BASE;
|
|
#ifdef CONFIG_SPL_LOAD_FIT
|
|
if (image_get_magic(header) == FDT_MAGIC) {
|
|
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);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
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);
|
|
#ifdef CONFIG_SYS_FDT_BASE
|
|
spl_image->arg = (void *)CONFIG_SYS_FDT_BASE;
|
|
#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
|
|
*/
|
|
#ifdef CONFIG_SPL_LOAD_FIT
|
|
header = (const struct image_header *)spl_nor_get_uboot_base();
|
|
if (image_get_magic(header) == FDT_MAGIC) {
|
|
debug("Found FIT format U-Boot\n");
|
|
load.bl_len = 1;
|
|
load.read = spl_nor_load_read;
|
|
ret = spl_load_simple_fit(spl_image, &load,
|
|
spl_nor_get_uboot_base(),
|
|
(void *)header);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
|
|
load.bl_len = 1;
|
|
load.read = spl_nor_load_read;
|
|
return spl_load_imx_container(spl_image, &load,
|
|
spl_nor_get_uboot_base());
|
|
}
|
|
|
|
ret = spl_parse_image_header(spl_image,
|
|
(const struct image_header *)spl_nor_get_uboot_base());
|
|
if (ret)
|
|
return ret;
|
|
|
|
memcpy((void *)(unsigned long)spl_image->load_addr,
|
|
(void *)(spl_nor_get_uboot_base() + sizeof(struct image_header)),
|
|
spl_image->size);
|
|
|
|
return 0;
|
|
}
|
|
SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);
|