From b35937bf29c828e311f1d9bb1385bd32d34ec060 Mon Sep 17 00:00:00 2001
From: Jason Kridner <jkridner@beagleboard.org>
Date: Mon, 7 Mar 2011 19:31:15 -0600
Subject: [PATCH] Forced newer revisions to default to xM.

---
 board/omap3530beagle/omap3530beagle.c |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/board/omap3530beagle/omap3530beagle.c b/board/omap3530beagle/omap3530beagle.c
index 1b3d8c7..d55d32e 100644
--- a/board/omap3530beagle/omap3530beagle.c
+++ b/board/omap3530beagle/omap3530beagle.c
@@ -212,6 +212,7 @@ u32 cpu_is_3410(void)
  *		GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
  *		GPIO173, GPIO172, GPIO171: 1 0 1 => C4
  *		GPIO173, GPIO172, GPIO171: 0 0 0 => XM
+ *		default                          => XM
  ******************************************/
 int beagle_revision(void)
 {
@@ -227,6 +228,18 @@ int beagle_revision(void)
 	rev = omap_get_gpio_datain(173) << 2 |
 		omap_get_gpio_datain(172) << 1 |
 		omap_get_gpio_datain(171);
+
+	/* Default newer board revisions to XM */
+	switch(rev) {
+	case REVISION_AXBX:
+	case REVISION_CX:
+	case REVISION_C4:
+		break;
+	case REVISION_XM:
+	default:
+		rev = REVISION_XM;
+	}
+
 	omap_free_gpio(171);
 	omap_free_gpio(172);
 	omap_free_gpio(173);
@@ -662,7 +675,7 @@ int misc_init_r(void)
 		printf("Beagle Rev C4\n");
 		break;
 	case REVISION_XM:
-		printf("Beagle xM Rev A\n");
+		printf("Beagle xM\n");
 		break;
 	default:
 		printf("Beagle unknown 0x%02x\n", rev);
-- 
1.6.1