diff --git a/[refs] b/[refs]
index ba7fb0908f65..8c4307519bab 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0d4fdbb64f472ef31195714993f1263f77cf85ca
+refs/heads/master: e4218ef506a2f8b0b5bf1a4b6effcc2f8983f86b
diff --git a/trunk/arch/sh/include/cpu-sh4/cpu/sh7723.h b/trunk/arch/sh/include/cpu-sh4/cpu/sh7723.h
index 9d2f6d7aa938..14c8ca936781 100644
--- a/trunk/arch/sh/include/cpu-sh4/cpu/sh7723.h
+++ b/trunk/arch/sh/include/cpu-sh4/cpu/sh7723.h
@@ -1,6 +1,20 @@
 #ifndef __ASM_SH7723_H__
 #define __ASM_SH7723_H__
 
+/* Boot Mode Pins:
+ *
+ * MD0: CPG - Clock Mode 0->3
+ * MD1: CPG - Clock Mode 0->3
+ * MD2: CPG - Reserved (L: Normal operation)
+ * MD3: BSC - Area0 Bus Width (16/32-bit) [CS0BCR.9,10]
+ * MD5: BSC - Endian Mode (L: Big, H: Little) [CMNCR.3]
+ * MD8: Test Mode
+ */
+
+/* Pin Function Controller:
+ * GPIO_FN_xx - GPIO used to select pin function
+ * GPIO_Pxx - GPIO mapped to real I/O pin on CPU
+ */
 enum {
 	/* PTA */
 	GPIO_PTA7, GPIO_PTA6, GPIO_PTA5, GPIO_PTA4,