mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-29 06:33:28 +08:00
449 lines
10 KiB
C
449 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2010
|
|
* Texas Instruments, <www.ti.com>
|
|
*
|
|
* Aneesh V <aneesh@ti.com>
|
|
*/
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <log.h>
|
|
#include <part.h>
|
|
#include <spl.h>
|
|
#include <linux/compiler.h>
|
|
#include <errno.h>
|
|
#include <asm/u-boot.h>
|
|
#include <errno.h>
|
|
#include <mmc.h>
|
|
#include <image.h>
|
|
|
|
static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,
|
|
ulong sector, struct image_header *header)
|
|
{
|
|
u32 image_size_sectors;
|
|
unsigned long count;
|
|
int ret;
|
|
|
|
ret = spl_parse_image_header(spl_image, header);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* convert size to sectors - round up */
|
|
image_size_sectors = (spl_image->size + mmc->read_bl_len - 1) /
|
|
mmc->read_bl_len;
|
|
|
|
/* Read the header too to avoid extra memcpy */
|
|
count = blk_dread(mmc_get_blk_desc(mmc), sector, image_size_sectors,
|
|
(void *)(ulong)spl_image->load_addr);
|
|
debug("read %x sectors to %lx\n", image_size_sectors,
|
|
spl_image->load_addr);
|
|
if (count != image_size_sectors)
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ulong h_spl_load_read(struct spl_load_info *load, ulong sector,
|
|
ulong count, void *buf)
|
|
{
|
|
struct mmc *mmc = load->dev;
|
|
|
|
return blk_dread(mmc_get_blk_desc(mmc), sector, count, buf);
|
|
}
|
|
|
|
static __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part)
|
|
{
|
|
#if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR)
|
|
if (part == 0)
|
|
return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __maybe_unused
|
|
int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
|
|
struct mmc *mmc, unsigned long sector)
|
|
{
|
|
unsigned long count;
|
|
struct image_header *header;
|
|
struct blk_desc *bd = mmc_get_blk_desc(mmc);
|
|
int ret = 0;
|
|
|
|
header = spl_get_load_buffer(-sizeof(*header), bd->blksz);
|
|
|
|
/* read image header to find the image size & load address */
|
|
count = blk_dread(bd, sector, 1, header);
|
|
debug("hdr read sector %lx, count=%lu\n", sector, count);
|
|
if (count == 0) {
|
|
ret = -EIO;
|
|
goto end;
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
|
|
image_get_magic(header) == FDT_MAGIC) {
|
|
struct spl_load_info load;
|
|
|
|
debug("Found FIT\n");
|
|
load.dev = mmc;
|
|
load.priv = NULL;
|
|
load.filename = NULL;
|
|
load.bl_len = mmc->read_bl_len;
|
|
load.read = h_spl_load_read;
|
|
ret = spl_load_simple_fit(spl_image, &load, sector, header);
|
|
} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
|
|
struct spl_load_info load;
|
|
|
|
load.dev = mmc;
|
|
load.priv = NULL;
|
|
load.filename = NULL;
|
|
load.bl_len = mmc->read_bl_len;
|
|
load.read = h_spl_load_read;
|
|
|
|
ret = spl_load_imx_container(spl_image, &load, sector);
|
|
} else {
|
|
ret = mmc_load_legacy(spl_image, mmc, sector, header);
|
|
}
|
|
|
|
end:
|
|
if (ret) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
puts("mmc_load_image_raw_sector: mmc block read error\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int spl_mmc_get_device_index(u32 boot_device)
|
|
{
|
|
switch (boot_device) {
|
|
case BOOT_DEVICE_MMC1:
|
|
return 0;
|
|
case BOOT_DEVICE_MMC2:
|
|
case BOOT_DEVICE_MMC2_2:
|
|
return 1;
|
|
}
|
|
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
printf("spl: unsupported mmc boot device.\n");
|
|
#endif
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
|
|
{
|
|
int err, mmc_dev;
|
|
|
|
mmc_dev = spl_mmc_get_device_index(boot_device);
|
|
if (mmc_dev < 0)
|
|
return mmc_dev;
|
|
|
|
#if CONFIG_IS_ENABLED(DM_MMC)
|
|
err = mmc_init_device(mmc_dev);
|
|
#else
|
|
err = mmc_initialize(NULL);
|
|
#endif /* DM_MMC */
|
|
if (err) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
printf("spl: could not initialize mmc. error: %d\n", err);
|
|
#endif
|
|
return err;
|
|
}
|
|
*mmcp = find_mmc_device(mmc_dev);
|
|
err = *mmcp ? 0 : -ENODEV;
|
|
if (err) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
printf("spl: could not find mmc device %d. error: %d\n",
|
|
mmc_dev, err);
|
|
#endif
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
|
|
static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,
|
|
struct mmc *mmc, int partition,
|
|
unsigned long sector)
|
|
{
|
|
struct disk_partition info;
|
|
int err;
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
|
|
int type_part;
|
|
/* Only support MBR so DOS_ENTRY_NUMBERS */
|
|
for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) {
|
|
err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
|
|
if (err)
|
|
continue;
|
|
if (info.sys_ind ==
|
|
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
|
|
partition = type_part;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
|
|
if (err) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
puts("spl: partition error\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
|
|
return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);
|
|
#else
|
|
return mmc_load_image_raw_sector(spl_image, mmc, info.start);
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SPL_OS_BOOT
|
|
static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
|
|
struct mmc *mmc)
|
|
{
|
|
int ret;
|
|
|
|
#if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)
|
|
unsigned long count;
|
|
|
|
count = blk_dread(mmc_get_blk_desc(mmc),
|
|
CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
|
|
CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
|
|
(void *) CONFIG_SYS_SPL_ARGS_ADDR);
|
|
if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
puts("mmc_load_image_raw_os: mmc block read error\n");
|
|
#endif
|
|
return -1;
|
|
}
|
|
#endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */
|
|
|
|
ret = mmc_load_image_raw_sector(spl_image, mmc,
|
|
CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (spl_image->os != IH_OS_LINUX) {
|
|
puts("Expected Linux image is not found. Trying to start U-boot\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
int spl_start_uboot(void)
|
|
{
|
|
return 1;
|
|
}
|
|
static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
|
|
struct mmc *mmc)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
|
|
static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,
|
|
const char *filename)
|
|
{
|
|
int err = -ENOSYS;
|
|
|
|
#ifdef CONFIG_SPL_FS_FAT
|
|
if (!spl_start_uboot()) {
|
|
err = spl_load_image_fat_os(spl_image, mmc_get_blk_desc(mmc),
|
|
CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
|
|
if (!err)
|
|
return err;
|
|
}
|
|
#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
|
|
err = spl_load_image_fat(spl_image, mmc_get_blk_desc(mmc),
|
|
CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
|
|
filename);
|
|
if (!err)
|
|
return err;
|
|
#endif
|
|
#endif
|
|
#ifdef CONFIG_SPL_FS_EXT4
|
|
if (!spl_start_uboot()) {
|
|
err = spl_load_image_ext_os(spl_image, mmc_get_blk_desc(mmc),
|
|
CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
|
|
if (!err)
|
|
return err;
|
|
}
|
|
#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
|
|
err = spl_load_image_ext(spl_image, mmc_get_blk_desc(mmc),
|
|
CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
|
|
filename);
|
|
if (!err)
|
|
return err;
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
|
|
err = -ENOENT;
|
|
#endif
|
|
|
|
return err;
|
|
}
|
|
#else
|
|
static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,
|
|
const char *filename)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
#endif
|
|
|
|
u32 __weak spl_mmc_boot_mode(const u32 boot_device)
|
|
{
|
|
#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
|
|
return MMCSD_MODE_FS;
|
|
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
|
|
return MMCSD_MODE_EMMCBOOT;
|
|
#else
|
|
return MMCSD_MODE_RAW;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
|
|
int __weak spl_mmc_boot_partition(const u32 boot_device)
|
|
{
|
|
return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
|
|
}
|
|
#endif
|
|
|
|
unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
|
|
unsigned long raw_sect)
|
|
{
|
|
return raw_sect;
|
|
}
|
|
|
|
int spl_mmc_load(struct spl_image_info *spl_image,
|
|
struct spl_boot_device *bootdev,
|
|
const char *filename,
|
|
int raw_part,
|
|
unsigned long raw_sect)
|
|
{
|
|
static struct mmc *mmc;
|
|
u32 boot_mode;
|
|
int err = 0;
|
|
__maybe_unused int part = 0;
|
|
|
|
/* Perform peripheral init only once */
|
|
if (!mmc) {
|
|
err = spl_mmc_find_device(&mmc, bootdev->boot_device);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mmc_init(mmc);
|
|
if (err) {
|
|
mmc = NULL;
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
printf("spl: mmc init failed with error: %d\n", err);
|
|
#endif
|
|
return err;
|
|
}
|
|
}
|
|
|
|
boot_mode = spl_mmc_boot_mode(bootdev->boot_device);
|
|
err = -EINVAL;
|
|
switch (boot_mode) {
|
|
case MMCSD_MODE_EMMCBOOT:
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
|
|
part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION;
|
|
#else
|
|
/*
|
|
* We need to check what the partition is configured to.
|
|
* 1 and 2 match up to boot0 / boot1 and 7 is user data
|
|
* which is the first physical partition (0).
|
|
*/
|
|
part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
|
|
|
|
if (part == 7)
|
|
part = 0;
|
|
#endif
|
|
|
|
if (CONFIG_IS_ENABLED(MMC_TINY))
|
|
err = mmc_switch_part(mmc, part);
|
|
else
|
|
err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
|
|
|
|
if (err) {
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
puts("spl: mmc partition switch failed\n");
|
|
#endif
|
|
return err;
|
|
}
|
|
/* Fall through */
|
|
case MMCSD_MODE_RAW:
|
|
debug("spl: mmc boot mode: raw\n");
|
|
|
|
if (!spl_start_uboot()) {
|
|
err = mmc_load_image_raw_os(spl_image, mmc);
|
|
if (!err)
|
|
return err;
|
|
}
|
|
|
|
raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
|
|
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
|
|
err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,
|
|
raw_sect);
|
|
if (!err)
|
|
return err;
|
|
#endif
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
|
|
err = mmc_load_image_raw_sector(spl_image, mmc,
|
|
raw_sect + spl_mmc_raw_uboot_offset(part));
|
|
if (!err)
|
|
return err;
|
|
#endif
|
|
/* If RAW mode fails, try FS mode. */
|
|
case MMCSD_MODE_FS:
|
|
debug("spl: mmc boot mode: fs\n");
|
|
|
|
err = spl_mmc_do_fs_boot(spl_image, mmc, filename);
|
|
if (!err)
|
|
return err;
|
|
|
|
break;
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
default:
|
|
puts("spl: mmc: wrong boot mode\n");
|
|
#endif
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
int spl_mmc_load_image(struct spl_image_info *spl_image,
|
|
struct spl_boot_device *bootdev)
|
|
{
|
|
return spl_mmc_load(spl_image, bootdev,
|
|
#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
|
|
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
|
|
spl_mmc_boot_partition(bootdev->boot_device),
|
|
#else
|
|
0,
|
|
#endif
|
|
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
|
|
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
|
|
#else
|
|
0);
|
|
#endif
|
|
}
|
|
|
|
SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image);
|
|
SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image);
|
|
SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);
|