]> git.sur5r.net Git - u-boot/blobdiff - common/spl/spl_mmc.c
block: pass block dev not num to read/write/erase()
[u-boot] / common / spl / spl_mmc.c
index ce58c5824f6d80add3705a588134d876da7bc474..c3931c6c4d7761c598d45312e2b5ffc01a676231 100644 (file)
@@ -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>
 
@@ -26,7 +28,7 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
                                         sizeof(struct image_header));
 
        /* read image header to find the image size & load address */
-       count = mmc->block_dev.block_read(0, sector, 1, header);
+       count = mmc->block_dev.block_read(&mmc->block_dev, sector, 1, header);
        debug("read sector %lx, count=%lu\n", sector, count);
        if (count == 0)
                goto end;
@@ -43,7 +45,8 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
                             mmc->read_bl_len;
 
        /* Read the header too to avoid extra memcpy */
-       count = mmc->block_dev.block_read(0, sector, image_size_sectors,
+       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);
@@ -59,6 +62,60 @@ 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;
+}
+
+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
+               printf("spl: could not find mmc device. error: %d\n", err);
+#endif
+               return err;
+       }
+
+       return 0;
+}
+
 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
 {
@@ -80,6 +137,12 @@ 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
@@ -87,7 +150,7 @@ static int mmc_load_image_raw_os(struct mmc *mmc)
 {
        unsigned long count;
 
-       count = mmc->block_dev.block_read(0,
+       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);
@@ -101,154 +164,141 @@ 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;
-
-#ifdef CONFIG_DM_MMC
-       struct udevice *dev;
+       int err = -ENOSYS;
 
-       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
 #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 (!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 = 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 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;
 }