northbridge/amd: Add Kconfig options for ECC redirection

Change-Id: I83e7605650b13e82a2e6c2822cbd237b4e473b5d
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/8271
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/northbridge/amd/Kconfig

@@ -98,6 +98,11 @@ config LIMIT_HT_UP_WIDTH_16
 	bool "16 bits"
 endchoice
 
+config AMDMCT_ENABLE_ECC_REDIR
+	bool
+	depends on CPU_AMD_MODEL_10XXX
+	default n
+
 config AMDMCT_BACKGROUND_SCRUB_RATE
 	hex
 	depends on CPU_AMD_MODEL_10XXX

src/northbridge/amd/amdmct/wrappers/mcti_d.c

@@ -167,8 +167,11 @@ static u16 mctGet_NVbits(u8 index)
 #endif
 		break;
 	case NV_ECCRedir:
-		val = 0;	/* Disable */
-		//val = 1;	/* Enable */
+		/*
+		 * 0: Disable
+		 * 1: Enable
+		 */
+		val = CONFIG_AMDMCT_ENABLE_ECC_REDIR;
 		break;
 	case NV_DramBKScrub:
 		/*