diff options
Diffstat (limited to 'drivers/mmc/mmc-uclass.c')
| -rw-r--r-- | drivers/mmc/mmc-uclass.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 2fe5d61e26..5bb446bcc2 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -13,6 +13,8 @@ #include <dm/root.h> #include "mmc_private.h" +DECLARE_GLOBAL_DATA_PTR; + #ifdef CONFIG_DM_MMC_OPS int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) @@ -192,10 +194,15 @@ int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg) { struct blk_desc *bdesc; struct udevice *bdev; - int ret; + int ret, devnum = -1; + +#ifndef CONFIG_SPL_BUILD + /* Use the fixed index with aliase node's index */ + fdtdec_get_alias_seq(gd->fdt_blob, "mmc", dev->of_offset, &devnum); +#endif - ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC, -1, 512, - 0, &bdev); + ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC, + devnum, 512, 0, &bdev); if (ret) { debug("Cannot create block device\n"); return ret; @@ -247,6 +254,17 @@ static int mmc_select_hwpart(struct udevice *bdev, int hwpart) return mmc_switch_part(mmc, hwpart); } +static int mmc_blk_probe(struct udevice *dev) +{ + struct blk_desc *block_dev = dev_get_uclass_platdata(dev); + int dev_num = block_dev->devnum; + struct mmc *mmc = find_mmc_device(dev_num); + + if (!mmc) + return -ENODEV; + return mmc_init(mmc); +} + static const struct blk_ops mmc_blk_ops = { .read = mmc_bread, #ifndef CONFIG_SPL_BUILD @@ -260,6 +278,7 @@ U_BOOT_DRIVER(mmc_blk) = { .name = "mmc_blk", .id = UCLASS_BLK, .ops = &mmc_blk_ops, + .probe = mmc_blk_probe, }; #endif /* CONFIG_BLK */ |