@@ -1531,6 +1531,53 @@ int __deprecated mmc_register(struct mmc *mmc)
return -1;
}
+#ifdef CONFIG_BLK
+int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
+{
+ struct blk_desc *bdesc;
+ struct udevice *bdev;
+ int ret;
+
+ ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC, -1, 512,
+ 0, &bdev);
+ if (ret) {
+ debug("Cannot create block device\n");
+ return ret;
+ }
+ bdesc = dev_get_uclass_platdata(bdev);
+ mmc->cfg = cfg;
+ mmc->priv = dev;
+
+ /* the following chunk was from mmc_register() */
+
+ /* Setup dsr related values */
+ mmc->dsr_imp = 0;
+ mmc->dsr = 0xffffffff;
+ /* Setup the universal parts of the block interface just once */
+ bdesc->if_type = IF_TYPE_MMC;
+ bdesc->removable = 1;
+
+ /* setup initial part type */
+ bdesc->part_type = mmc->cfg->part_type;
+ mmc->dev = dev;
+
+ return 0;
+}
+
+int mmc_unbind(struct udevice *dev)
+{
+ struct udevice *bdev;
+
+ device_find_first_child(dev, &bdev);
+ if (bdev) {
+ device_remove(bdev);
+ device_unbind(bdev);
+ }
+
+ return 0;
+}
+
+#else
struct mmc *mmc_create(const struct mmc_config *cfg, void *priv)
{
struct blk_desc *bdesc;
@@ -1574,6 +1621,7 @@ void mmc_destroy(struct mmc *mmc)
/* only freeing memory for now */
free(mmc);
}
+#endif
static int mmc_get_dev(int dev, struct blk_desc **descp)
{
@@ -409,7 +409,29 @@ enum mmc_hwpart_conf_mode {
int mmc_register(struct mmc *mmc);
struct mmc *mmc_create(const struct mmc_config *cfg, void *priv);
+
+/**
+ * mmc_bind() - Set up a new MMC device ready for probing
+ *
+ * A child block device is bound with the IF_TYPE_MMC interface type. This
+ * allows the device to be used with CONFIG_BLK
+ *
+ * @dev: MMC device to set up
+ * @mmc: MMC struct
+ * @cfg: MMC configuration
+ * @return 0 if OK, -ve on error
+ */
+int mmc_bind(struct udevice *dev, struct mmc *mmc,
+ const struct mmc_config *cfg);
void mmc_destroy(struct mmc *mmc);
+
+/**
+ * mmc_unbind() - Unbind a MMC device's child block device
+ *
+ * @dev: MMC device
+ * @return 0 if OK, -ve on error
+ */
+int mmc_unbind(struct udevice *dev);
int mmc_initialize(bd_t *bis);
int mmc_init(struct mmc *mmc);
int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size);
Binding an MMC device when CONFIG_BLK is enabled requires that a block device be bound as a child of the MMC device. Add a function to do this. The mmc_create() method will be used only when DM_BLK is disabled. Add an unbind method also. Signed-off-by: Simon Glass <sjg@chromium.org> --- drivers/mmc/mmc.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ include/mmc.h | 22 ++++++++++++++++++++++ 2 files changed, 70 insertions(+)