diff -Nru u-boot-linaro-2012.02.2/board/ti/beagle/beagle.c u-boot-linaro-2012.02.3/board/ti/beagle/beagle.c
--- u-boot-linaro-2012.02.2/board/ti/beagle/beagle.c	2012-02-16 17:27:45.000000000 +0000
+++ u-boot-linaro-2012.02.3/board/ti/beagle/beagle.c	2012-03-01 08:37:10.000000000 +0000
@@ -188,6 +188,13 @@
 			*ctrlb = NUMONYX_V_ACTIMB_165;
 			*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 			break;
+		} else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
+			/* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
+			*mcfg = MICRON_V_MCFG_165(128 << 20);
+			*ctrla = MICRON_V_ACTIMA_165;
+			*ctrlb = MICRON_V_ACTIMB_165;
+			*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+			break;
 		} else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
 			/* Beagleboard Rev C5, 256MB DDR */
 			*mcfg = MICRON_V_MCFG_200(256 << 20);
diff -Nru u-boot-linaro-2012.02.2/debian/changelog u-boot-linaro-2012.02.3/debian/changelog
--- u-boot-linaro-2012.02.2/debian/changelog	2012-03-19 06:39:45.000000000 +0000
+++ u-boot-linaro-2012.02.3/debian/changelog	2012-04-02 16:59:01.000000000 +0000
@@ -1,3 +1,11 @@
+u-boot-linaro (2012.02.3-ubuntu1) precise; urgency=low
+
+  * Update to upstream 2012.02.3 u-boot-linaro which includes patch
+    to correct memory size on rev C4 Beagle. 
+    (LP: #928580).
+
+ -- John Rigby <john.rigby@linaro.org>  Mon, 02 Apr 2012 10:53:32 -0600
+
 u-boot-linaro (2012.02.2-ubuntu2) precise; urgency=low
 
   * Mark u-boot-linaro-omap4-panda-splusb for Multi-Arch: foreign, so that