* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
#include <spl.h>
+#include <linux/compiler.h>
+#include <errno.h>
#include <asm/u-boot.h>
+#include <errno.h>
#include <mmc.h>
-#include <version.h>
#include <image.h>
DECLARE_GLOBAL_DATA_PTR;
-static int mmc_load_image_raw(struct mmc *mmc, unsigned long sector)
+static int mmc_load_legacy(struct mmc *mmc, ulong sector,
+ struct image_header *header)
{
- unsigned long err;
u32 image_size_sectors;
+ unsigned long count;
+ int ret;
+
+ ret = spl_parse_image_header(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 = mmc->block_dev.block_read(&mmc->block_dev, sector,
+ image_size_sectors,
+ (void *)(ulong)spl_image.load_addr);
+ debug("read %x sectors to %x\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 mmc->block_dev.block_read(&mmc->block_dev, sector, count, buf);
+}
+
+static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
+{
+ unsigned long count;
struct image_header *header;
+ int ret = 0;
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
+ sizeof(struct image_header));
/* read image header to find the image size & load address */
- err = mmc->block_dev.block_read(0, sector, 1, header);
- if (err == 0)
+ count = mmc->block_dev.block_read(&mmc->block_dev, 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;
- if (image_get_magic(header) != IH_MAGIC)
+ debug("Found FIT\n");
+ load.dev = mmc;
+ load.priv = NULL;
+ load.bl_len = mmc->read_bl_len;
+ load.read = h_spl_load_read;
+ ret = spl_load_simple_fit(&load, sector, header);
+ } else {
+ ret = mmc_load_legacy(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;
+ }
- spl_parse_image_header(header);
+ return 0;
+}
- /* convert size to sectors - round up */
- image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
- mmc->read_bl_len;
+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;
+ }
- /* Read the header too to avoid extra memcpy */
- err = mmc->block_dev.block_read(0, sector, image_size_sectors,
- (void *)spl_image.load_addr);
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("spl: unsupported mmc boot device.\n");
+#endif
-end:
+ return -ENODEV;
+}
+
+static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
+{
+#ifdef CONFIG_DM_MMC
+ struct udevice *dev;
+#endif
+ int err, mmc_dev;
+
+ mmc_dev = spl_mmc_get_device_index(boot_device);
+ if (mmc_dev < 0)
+ return mmc_dev;
+
+ err = mmc_initialize(NULL);
+ if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("spl: could not initialize mmc. error: %d\n", err);
+#endif
+ return err;
+ }
+
+#ifdef CONFIG_DM_MMC
+ err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
+ if (!err)
+ *mmcp = mmc_get_mmc_dev(dev);
+#else
+ *mmcp = find_mmc_device(mmc_dev);
+ err = *mmcp ? 0 : -ENODEV;
+#endif
+ if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- if (err == 0)
- printf("spl: mmc blk read err - %lu\n", err);
+ printf("spl: could not find mmc device. error: %d\n", err);
#endif
+ return err;
+ }
- return (err == 0);
+ return 0;
}
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
+static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
+{
+ disk_partition_t info;
+ int err;
+
+ err = part_get_info(&mmc->block_dev, 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_SECTOR
+ return mmc_load_image_raw_sector(mmc, info.start +
+ CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#else
+ return mmc_load_image_raw_sector(mmc, info.start);
+#endif
+}
+#else
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
+static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
+{
+ return -ENOSYS;
+}
+#endif
+
#ifdef CONFIG_SPL_OS_BOOT
static int mmc_load_image_raw_os(struct mmc *mmc)
{
- if (!mmc->block_dev.block_read(0,
- CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
- CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
- (void *)CONFIG_SYS_SPL_ARGS_ADDR)) {
+ unsigned long count;
+ int ret;
+
+ count = mmc->block_dev.block_read(&mmc->block_dev,
+ CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
+ CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
+ (void *) CONFIG_SYS_SPL_ARGS_ADDR);
+ if (count == 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- printf("mmc args blk read error\n");
+ puts("mmc_load_image_raw_os: mmc block read error\n");
#endif
return -1;
}
- return mmc_load_image_raw(mmc, CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
+ ret = mmc_load_image_raw_sector(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 mmc *mmc)
+{
+ return -ENOSYS;
}
#endif
-void spl_mmc_load_image(void)
+#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
+int spl_mmc_do_fs_boot(struct mmc *mmc)
{
- struct mmc *mmc;
- int err;
- u32 boot_mode;
+ int err = -ENOSYS;
- mmc_initialize(gd->bd);
- /* We register only one device. So, the dev id is always 0 */
- mmc = find_mmc_device(0);
- if (!mmc) {
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- puts("spl: mmc device not found!!\n");
+#ifdef CONFIG_SPL_FAT_SUPPORT
+ if (!spl_start_uboot()) {
+ err = spl_load_image_fat_os(&mmc->block_dev,
+ CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
+ if (!err)
+ return err;
+ }
+#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
+ err = spl_load_image_fat(&mmc->block_dev,
+ CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
+ CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+ if (!err)
+ return err;
+#endif
#endif
- hang();
+#ifdef CONFIG_SPL_EXT_SUPPORT
+ if (!spl_start_uboot()) {
+ err = spl_load_image_ext_os(&mmc->block_dev,
+ CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
+ if (!err)
+ return err;
}
+#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
+ err = spl_load_image_ext(&mmc->block_dev,
+ CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
+ CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+ if (!err)
+ return err;
+#endif
+#endif
+
+#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
+ err = -ENOENT;
+#endif
+
+ return err;
+}
+#else
+int spl_mmc_do_fs_boot(struct mmc *mmc)
+{
+ return -ENOSYS;
+}
+#endif
+
+int spl_mmc_load_image(u32 boot_device)
+{
+ struct mmc *mmc = NULL;
+ u32 boot_mode;
+ int err = 0;
+ __maybe_unused int part;
+
+ err = spl_mmc_find_device(&mmc, boot_device);
+ if (err)
+ return err;
err = mmc_init(mmc);
if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- printf("spl: mmc init failed: err - %d\n", err);
+ printf("spl: mmc init failed with error: %d\n", err);
#endif
- hang();
+ return err;
}
boot_mode = spl_boot_mode();
- if (boot_mode == MMCSD_MODE_RAW) {
- debug("boot mode - RAW\n");
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
-#endif
- err = mmc_load_image_raw(mmc,
- CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
-#ifdef CONFIG_SPL_FAT_SUPPORT
- } else if (boot_mode == MMCSD_MODE_FAT) {
- debug("boot mode - FAT\n");
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
- CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION))
-#endif
- err = spl_load_image_fat(&mmc->block_dev,
- CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION,
- CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
-#endif
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
- } else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
- /*
- * 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).
- */
- int part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
-
- if (part == 7)
- part = 0;
-
- if (mmc_switch_part(0, part)) {
+ err = -EINVAL;
+ switch (boot_mode) {
+ case MMCSD_MODE_EMMCBOOT:
+ /*
+ * 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;
+
+ err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
+ if (err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- puts("MMC partition switch failed\n");
+ puts("spl: mmc partition switch failed\n");
#endif
- hang();
+ 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(mmc);
+ if (!err)
+ return err;
}
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
-#endif
- err = mmc_load_image_raw(mmc,
+
+ err = mmc_load_image_raw_partition(mmc,
+ CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
+ if (!err)
+ return err;
+#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
+ err = mmc_load_image_raw_sector(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+ if (!err)
+ return err;
#endif
- } else {
+ /* If RAW mode fails, try FS mode. */
+ case MMCSD_MODE_FS:
+ debug("spl: mmc boot mode: fs\n");
+
+ err = spl_mmc_do_fs_boot(mmc);
+ if (!err)
+ return err;
+
+ break;
+ case MMCSD_MODE_UNDEFINED:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- puts("spl: wrong MMC boot mode\n");
+ default:
+ puts("spl: mmc: wrong boot mode\n");
#endif
- hang();
}
- if (err)
- hang();
+ return err;
}
projects / oweals / u-boot.git / blobdiff