diff --git a/board/ms7722se/lowlevel_init.S b/board/ms7722se/lowlevel_init.S
index 9144e10..1cb57e7 100644
--- a/board/ms7722se/lowlevel_init.S
+++ b/board/ms7722se/lowlevel_init.S
@@ -131,7 +131,7 @@ bsc_init:
 
 	write32	RTCSR_A, RTCSR_D
 
-	write8	SDMR3_A, #0x00
+	write8	SDMR3_A, SDMR3_D
 
 	! BL bit off (init = ON) (?!?)
 
@@ -225,6 +225,7 @@ RTCOR_D:	.long	0xA55A0034
 RTCSR_A:	.long	SBSC_RTCSR
 RTCSR_D:	.long	0xA55A0010
 SDMR3_A:	.long	0xFE500180
+SDMR3_D:	.long	0x0
 
 	.align	1
 
diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S
index 7108019..5e09a39 100644
--- a/board/ms7750se/lowlevel_init.S
+++ b/board/ms7750se/lowlevel_init.S
@@ -84,7 +84,7 @@ init_bsc:
 	write32	MCR_A, MCR_D1
 
 	/* Set SDRAM mode */
-	write8	SDMR3_A, #0
+	write8	SDMR3_A, SDMR3_D
 
 	! Do you need PCMCIA setting?
 	! If so, please add the lines here...
@@ -108,7 +108,7 @@ init_bsc:
 	write32	MCR_A, MCR_D2
 
 	/* Set SDRAM mode */
-	write8	SDMR3_A, #0
+	write8	SDMR3_A, SDMR3_D
 
 	rts
 	nop
@@ -146,6 +146,7 @@ RTCNT_D:	.long	0xA500		/* RTCNT Write Code A5h Data 00h */
 RTCOR_A:	.long	RTCOR
 RTCOR_D:	.long	RTCOR_D_VALUE	/* Set refresh time (about 15us) */
 SDMR3_A:	.long	SDMR3_ADDRESS
+SDMR3_D:	.long	0x00
 MCR_A:		.long	MCR
 MCR_D1:		.long	MCR_D1_VALUE
 MCR_D2:		.long	MCR_D2_VALUE
diff --git a/board/renesas/MigoR/lowlevel_init.S b/board/renesas/MigoR/lowlevel_init.S
index 1da603a..e32a7af 100644
--- a/board/renesas/MigoR/lowlevel_init.S
+++ b/board/renesas/MigoR/lowlevel_init.S
@@ -117,7 +117,7 @@ bsc_init:
 
 	write32	RFCR_A, RFCR_D
 
-	write8	SDMR3_A, #0x00
+	write8	SDMR3_A, SDMR3_D
 
 	! BL bit off (init = ON) (?!?)
 
@@ -195,6 +195,7 @@ RFCR_A:		.long	SBSC_RFCR
 RFCR_D:		.long	0xA55A0221
 RTCSR_D:	.long	0xA55A009a
 SDMR3_A:	.long	0xFE581180
+SDMR3_D:	.long	0x0
 
 SR_MASK_D:	.long	0xEFFFFF0F
 
diff --git a/board/renesas/r2dplus/lowlevel_init.S b/board/renesas/r2dplus/lowlevel_init.S
index 2f6a9b7..76d3cfc 100644
--- a/board/renesas/r2dplus/lowlevel_init.S
+++ b/board/renesas/r2dplus/lowlevel_init.S
@@ -36,7 +36,7 @@ lowlevel_init:
 
 	write16	PCR_A, PCR_D
 
-	write16	LED_A, #0xff
+	write16	LED_A, LED_D
 
 	write32	MCR_A, MCR_D1
 
@@ -48,7 +48,7 @@ lowlevel_init:
 
 	write16	RTCSR_A, RTCSR_D
 
-	write8	SDMR3_A, #0x55
+	write8	SDMR3_A, SDMR3_D0
 
 	/* Wait DRAM refresh 30 times */
 	mov.l	RFCR_A, r1
@@ -61,7 +61,7 @@ lowlevel_init:
 
 	write32	MCR_A, MCR_D2
 
-	write8	SDMR3_A, #0
+	write8	SDMR3_A, SDMR3_D1
 
 	write32	IRLMASK_A, IRLMASK_D
 
@@ -92,6 +92,7 @@ WCR2_D:		.long	0xcff86fbf
 WCR3_A:		.long	WCR3		/* WCR3 Address */
 WCR3_D:		.long	0x07777707
 LED_A:		.long	0x04000036	/* LED Address */
+LED_D:		.long	0xFF		/* LED Data */
 RTCNT_A:	.long	RTCNT		/* RTCNT Address */
 RTCNT_D:	.long	0xA500		/* RTCNT Write Code A5h Data 00h */
 RTCOR_A:	.long	RTCOR		/* RTCOR Address */
@@ -99,7 +100,8 @@ RTCOR_D:	.long	0xA534		/* RTCOR Write Code */
 RTCSR_A:	.long	RTCSR		/* RTCSR Address */
 RTCSR_D:	.long	0xA510		/* RTCSR Write Code */
 SDMR3_A:	.long	0xFF9400CC	/* SDMR3 Address */
-SDMR3_D:	.long	0x55
+SDMR3_D0:	.long	0x55
+SDMR3_D1:	.long	0x00
 MCR_A:		.long	MCR		/* MCR Address */
 MCR_D1:		.long	0x081901F4	/* MRSET:'0' */
 MCR_D2:		.long	0x481901F4	/* MRSET:'1' */