From: Chanho Park <chanho61.park@samsung.com>
Date: Tue, 28 Jul 2015 05:37:07 +0000 (+0900)
Subject: common: movi: support environment partition
X-Git-Tag: submit/tizen/20160318.071304~95
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2923a2ad4010fc9a915c6cb6130689e8be9d8ea9;p=profile%2Fcommon%2Fplatform%2Fkernel%2Fu-boot-artik.git

common: movi: support environment partition

This patch supports to read and write the environment partition of movi
command. The u-boot environment variables are stored in the partition
and u-boot load the values from the partition

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

diff --git a/common/cmd_movi.c b/common/cmd_movi.c
index 225dfcc5a..552074548 100644
--- a/common/cmd_movi.c
+++ b/common/cmd_movi.c
@@ -88,6 +88,11 @@ int do_movi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			goto usage;
 		attribute = 0x3;
 		break;
+	case 'e':
+		if (argc != (6 - location))
+			goto usage;
+		attribute = 0x4;
+		break;
 	case 'k':
 		if (argc != 5)
 			goto usage;
@@ -193,6 +198,25 @@ int do_movi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 
+	/* Environment */
+	if (attribute == 0x4) {
+		for (i = 0, image = raw_area_control.image; i < 15; i++) {
+			if (image[i].attribute == attribute)
+				break;
+		}
+		start_blk = image[i].start_blk;
+		blkcnt = image[i].used_blk;
+		printf("%s %d Environment.. Start %ld, Count %ld ",
+				rw ? "writing" : "reading",
+				dev_num, start_blk, blkcnt);
+		sprintf(run_cmd, "mmc %s %d 0x%lx 0x%lx 0x%lx",
+			rw ? "write" : "read", dev_num,
+			addr, start_blk, blkcnt);
+		run_command(run_cmd, dev_num);
+		printf("completed\n");
+		return 1;
+	}
+
 	/* kernel r/w */
 	if (attribute == 0x5) {
 		for (i=0, image = raw_area_control.image; i<15; i++) {