From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Mon, 18 Nov 2019 11:32:11 +0000 (+0900)
Subject: mmc: exynos_dw_mmc: add tizen specific bind codes
X-Git-Tag: submit/tizen/20201110.005738~131
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45601e897f722c115b2c4ab37fd31aff2ff2d0c2;p=platform%2Fkernel%2Fu-boot.git

mmc: exynos_dw_mmc: add tizen specific bind codes

Add tizen specific bind codes.
Device number is defined according to boot from SD or eMMC.

Change-Id: I05876b0600d2e19e2642fd46742183d0d8cbe5c4
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index b960f72c2a..2a32bbee13 100644
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -347,8 +347,44 @@ static int exynos_dwmmc_probe(struct udevice *dev)
 static int exynos_dwmmc_bind(struct udevice *dev)
 {
 	struct exynos_mmc_plat *plat = dev_get_platdata(dev);
+#ifdef CONFIG_TIZEN_XU3
+	struct blk_desc *bdesc;
+	struct udevice *bdev;
+	int ret, devnum = -1;
+
+	ret = dev_read_alias_seq(dev, &devnum);
+	if (get_boot_mode() == BOOT_MODE_SD) {
+		if (devnum == 0)
+			devnum = 1;
+		else if (devnum == 2)
+			devnum = 0;
+	}
+
+	ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
+			devnum, 512, 0, &bdev);
+	if (ret) {
+		printf("Cannot create block device\n");
+		return ret;
+	}
+	bdesc = dev_get_uclass_platdata(bdev);
+	plat->mmc.cfg = &plat->cfg;
+	plat->mmc.priv = dev;
+
+	/* the following chunk was from mmc_register() */
 
+	/* Setup dsr related values */
+	plat->mmc.dsr_imp = 0;
+	plat->mmc.dsr = 0xffffffff;
+	/* Setup the universal parts of the block interface just once */
+	bdesc->removable = 1;
+
+	/* setup initial part type */
+	bdesc->part_type = plat->cfg.part_type;
+	plat->mmc.dev = dev;
+	return 0;
+#else
 	return dwmci_bind(dev, &plat->mmc, &plat->cfg);
+#endif
 }
 
 static const struct udevice_id exynos_dwmmc_ids[] = {