From: Chanho Park <chanho61.park@samsung.com>
Date: Tue, 1 Dec 2015 12:18:17 +0000 (+0900)
Subject: board: samsung: configure emmc_dev environment
X-Git-Tag: submit/tizen/20160318.071304~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=895ce33b05292ee7309c7cd75f2b22eaa554ab22;p=profile%2Fcommon%2Fplatform%2Fkernel%2Fu-boot-artik.git

board: samsung: configure emmc_dev environment

This patch enable to set the emmc_dev number because it's
varied by boot order. If the board is booted from sdcard,
the emmc device number will be 1 not default 0. Thus, I
set a "emmc_dev" environment to retrieve the number anywhere.

Change-Id: I9324f855151bcfee85e351749ae91cab51ec4a22
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---

diff --git a/board/samsung/espresso3250/espresso3250.c b/board/samsung/espresso3250/espresso3250.c
index 3b9b3b76f..96607bfe0 100644
--- a/board/samsung/espresso3250/espresso3250.c
+++ b/board/samsung/espresso3250/espresso3250.c
@@ -204,6 +204,9 @@ int board_mmc_init(bd_t *bis)
 		return err;
 	}
 
+	if (OmPin == BOOT_MMCSD)
+		setenv("emmc_dev", "1");
+
 	if (OmPin == BOOT_EMMC_4_4 || OmPin == BOOT_EMMC) {
 #ifdef USE_MMC0
 		set_mmc_clk(PERIPH_ID_SDMMC0, 0);
diff --git a/board/samsung/smdk5422/smdk5422.c b/board/samsung/smdk5422/smdk5422.c
index ca9dbdd4e..b91c89c3e 100644
--- a/board/samsung/smdk5422/smdk5422.c
+++ b/board/samsung/smdk5422/smdk5422.c
@@ -323,6 +323,9 @@ int board_mmc_init(bd_t *bis)
 	}
 
 	switch (OmPin) {
+	case BOOT_MMCSD:
+		setenv("emmc_dev", "1");
+		break;
 	case BOOT_EMMC_4_4:
 #if defined(USE_MMC0)
 		set_mmc_clk(PERIPH_ID_SDMMC0, 1);