commit bdb6099666933491ce393e52132e05604da91b1a
author Angelo Dureghello <angelo@sysam.it> Tue Aug 01 14:27:10 2017 +0200
committer Jaehoon Chung <jh80.chung@samsung.com> Thu Aug 17 17:00:11 2017 +0900
tree 127076ebc6d7f6a4725d013e8f5d3967ec95016d
parent e7881d85a94b2e35b12a163c3af671057e9ca5e8

cmd: mmc: add mmc partconf read capability

This patch allows to show the EXT_CSD[179] partition_config
register info, just by specifying the dev param:

  U-Boot> mmc partconf 0
  EXT_CSD[179], PARTITION_CONFIG:
  BOOT_ACK: 0x0
  BOOT_PARTITION_ENABLE: 0x0
  PARTITION_ACCESS: 0x0

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Anatolij Gustschin <agust@denx.de>

drivers/mmc/mmc_boot.c

diff --git a/drivers/mmc/mmc_boot.c b/drivers/mmc/mmc_boot.c
index ac6f56f..6d77ce9 100644
--- a/drivers/mmc/mmc_boot.c
+++ b/drivers/mmc/mmc_boot.c
@@ -100,10 +100,19 @@
  */
 int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
 {
-	return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
-			  EXT_CSD_BOOT_ACK(ack) |
-			  EXT_CSD_BOOT_PART_NUM(part_num) |
-			  EXT_CSD_PARTITION_ACCESS(access));
+	int ret;
+	u8 part_conf;
+
+	part_conf = EXT_CSD_BOOT_ACK(ack) |
+		    EXT_CSD_BOOT_PART_NUM(part_num) |
+		    EXT_CSD_PARTITION_ACCESS(access);
+
+	ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
+			 part_conf);
+	if (!ret)
+		mmc->part_config = part_conf;
+
+	return ret;
 }
 
 /*