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Diffstat (limited to 'common/spl/spl_mmc.c')
-rw-r--r--common/spl/spl_mmc.c290
1 files changed, 181 insertions, 109 deletions
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index ce58c58..b3c2c64 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -10,7 +10,9 @@
#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 <image.h>
@@ -59,6 +61,83 @@ end:
return 0;
}
+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;
+}
+
+#ifdef CONFIG_DM_MMC
+static int spl_mmc_find_device(struct mmc **mmc, u32 boot_device)
+{
+ struct udevice *dev;
+ 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;
+ }
+
+ err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
+ if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("spl: could not find mmc device. error: %d\n", err);
+#endif
+ return err;
+ }
+
+ *mmc = NULL;
+ *mmc = mmc_get_mmc_dev(dev);
+ return *mmc != NULL ? 0 : -ENODEV;
+}
+#else
+static int spl_mmc_find_device(struct mmc **mmc, u32 boot_device)
+{
+ int err, mmc_dev;
+
+ mmc_dev = spl_mmc_get_device_index(boot_device);
+ if (mmc_dev < 0)
+ return mmc_dev;
+
+ err = mmc_initialize(gd->bd);
+ if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ printf("spl: could not initialize mmc. error: %d\n", err);
+#endif
+ return err;
+ }
+
+ /* We register only one device. So, the dev id is always 0 */
+ *mmc = find_mmc_device(mmc_dev);
+ if (!*mmc) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+ puts("spl: mmc device not found\n");
+#endif
+ return -ENODEV;
+ }
+
+ return 0;
+}
+#endif
+
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
{
@@ -80,6 +159,12 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
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
@@ -101,154 +186,141 @@ static int mmc_load_image_raw_os(struct mmc *mmc)
return mmc_load_image_raw_sector(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
}
+#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;
- u32 boot_mode;
- int err = 0;
- __maybe_unused int part;
+ int err = -ENOSYS;
-#ifdef CONFIG_DM_MMC
- struct udevice *dev;
-
- mmc_initialize(NULL);
- err = uclass_get_device(UCLASS_MMC, 0, &dev);
- mmc = NULL;
+#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)
- mmc = mmc_get_mmc_dev(dev);
-#else
- 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");
+ return err;
#endif
- hang();
+#endif
+#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 (!err)
- err = mmc_init(mmc);
+#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;
+ 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 with error: %d\n", err);
#endif
- hang();
+ return err;
}
boot_mode = spl_boot_mode();
+ 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 = mmc_switch_part(0, 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");
-#ifdef CONFIG_SPL_OS_BOOT
if (!spl_start_uboot()) {
err = mmc_load_image_raw_os(mmc);
if (!err)
- return;
+ return err;
}
-#endif
-#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
+
err = mmc_load_image_raw_partition(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
if (!err)
- return;
-#elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
+ 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;
+ return err;
#endif
+ break;
case MMCSD_MODE_FS:
debug("spl: mmc boot mode: fs\n");
-#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
-#ifdef CONFIG_SPL_FAT_SUPPORT
-#ifdef CONFIG_SPL_OS_BOOT
- if (!spl_start_uboot()) {
- err = spl_load_image_fat_os(&mmc->block_dev,
- CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
- if (!err)
- return;
- }
-#endif
-#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);
+ err = spl_mmc_do_fs_boot(mmc);
if (!err)
- return;
-#endif
-#endif
-#ifdef CONFIG_SPL_EXT_SUPPORT
-#ifdef CONFIG_SPL_OS_BOOT
- if (!spl_start_uboot()) {
- err = spl_load_image_ext_os(&mmc->block_dev,
- CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
- if (!err)
- return;
- }
-#endif
-#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;
-#endif
-#endif
-#endif
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
- 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;
-
- if (mmc_switch_part(0, part)) {
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- puts("spl: mmc partition switch failed\n");
-#endif
- hang();
- }
+ return err;
-#ifdef CONFIG_SPL_OS_BOOT
- if (!spl_start_uboot()) {
- err = mmc_load_image_raw_os(mmc);
- if (!err)
- return;
- }
-#endif
-#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
- err = mmc_load_image_raw_partition(mmc,
- CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
- if (!err)
- return;
-#elif 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;
-#endif
-#endif
+ break;
case MMCSD_MODE_UNDEFINED:
- default:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
- if (err)
- puts("spl: mmc: no boot mode left to try\n");
- else
- puts("spl: mmc: wrong boot mode\n");
+ default:
+ puts("spl: mmc: wrong boot mode\n");
#endif
- hang();
}
+
+ return err;
}
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