void spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
if (image_get_magic(header) == IH_MAGIC) {
if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
* entry-point is located at address 0. We can't load
* to 0-0x40. So skip header in this case.
*/
spl_image.load_addr = image_get_load(header);
spl_image.entry_point = image_get_ep(header);
spl_image.size = image_get_data_size(header);
} else {
spl_image.entry_point = image_get_load(header);
/* Load including the header */
spl_image.load_addr = spl_image.entry_point -
header_size;
spl_image.size = image_get_data_size(header) +
header_size;
}
spl_image.os = image_get_os(header);
spl_image.name = image_get_name(header);
debug("spl: payload image: %.*s load addr: 0x%x size: %d\n",
(int)sizeof(spl_image.name), spl_image.name,
spl_image.load_addr, spl_image.size);
} else {
/* Signature not found - assume u-boot.bin */
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
spl_set_header_raw_uboot();
}
}
int spl_nand_load_image(void)
{
nand_init();
nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
CONFIG_SYS_NAND_U_BOOT_SIZE,
(void *)CONFIG_SYS_NAND_U_BOOT_DST);
spl_set_header_raw_uboot();
nand_deselect();
return 0;
}
int spl_nand_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
nand_init();
nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
CONFIG_SYS_NAND_U_BOOT_SIZE,
(void *)CONFIG_SYS_NAND_U_BOOT_DST);
spl_set_header_raw_uboot(spl_image);
nand_deselect();
return 0;
}
int spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
if (image_get_magic(header) == IH_MAGIC) {
if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
* entry-point is located at address 0. We can't load
* to 0-0x40. So skip header in this case.
*/
spl_image.load_addr = image_get_load(header);
spl_image.entry_point = image_get_ep(header);
spl_image.size = image_get_data_size(header);
} else {
spl_image.entry_point = image_get_load(header);
/* Load including the header */
spl_image.load_addr = spl_image.entry_point -
header_size;
spl_image.size = image_get_data_size(header) +
header_size;
}
spl_image.os = image_get_os(header);
spl_image.name = image_get_name(header);
debug("spl: payload image: %.*s load addr: 0x%x size: %d\n",
(int)sizeof(spl_image.name), spl_image.name,
spl_image.load_addr, spl_image.size);
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*
* CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
* code which loads images in SPL cannot guarantee that
* absolutely all read errors will be reported.
* An example is the LPC32XX MLC NAND driver, which
* will consider that a completely unreadable NAND block
* is bad, and thus should be skipped silently.
*/
panic("** no mkimage signature but raw image not supported");
#elif defined(CONFIG_SPL_ABORT_ON_RAW_IMAGE)
/* Signature not found, proceed to other boot methods. */
return -EINVAL;
#else
/* Signature not found - assume u-boot.bin */
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
spl_set_header_raw_uboot();
#endif
}
return 0;
}
int spl_parse_image_header(struct spl_image_info *spl_image,
const struct image_header *header)
{
if (image_get_magic(header) == IH_MAGIC) {
#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
u32 header_size = sizeof(struct image_header);
if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
* entry-point is located at address 0. We can't load
* to 0-0x40. So skip header in this case.
*/
spl_image->load_addr = image_get_load(header);
spl_image->entry_point = image_get_ep(header);
spl_image->size = image_get_data_size(header);
} else {
spl_image->entry_point = image_get_load(header);
/* Load including the header */
spl_image->load_addr = spl_image->entry_point -
header_size;
spl_image->size = image_get_data_size(header) +
header_size;
}
spl_image->os = image_get_os(header);
spl_image->name = image_get_name(header);
debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
(int)sizeof(spl_image->name), spl_image->name,
spl_image->load_addr, spl_image->size);
#else
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods");
return -EINVAL;
#endif
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*
* CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
* code which loads images in SPL cannot guarantee that
* absolutely all read errors will be reported.
* An example is the LPC32XX MLC NAND driver, which
* will consider that a completely unreadable NAND block
* is bad, and thus should be skipped silently.
*/
panic("** no mkimage signature but raw image not supported");
#endif
#ifdef CONFIG_SPL_OS_BOOT
ulong start, end;
if (!bootz_setup((ulong)header, &start, &end)) {
spl_image->name = "Linux";
spl_image->os = IH_OS_LINUX;
spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
spl_image->size = end - start;
debug("spl: payload zImage, load addr: 0x%lx size: %d\n",
spl_image->load_addr, spl_image->size);
return 0;
}
#endif
#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
/* Signature not found - assume u-boot.bin */
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
spl_set_header_raw_uboot(spl_image);
#else
/* RAW image not supported, proceed to other boot methods. */
debug("Raw boot image support not enabled, proceeding to other boot methods");
return -EINVAL;
#endif
}
return 0;
}
