diff --git a/Makefile b/Makefile
index ecde92b..8fb1e2a 100644
--- a/Makefile
+++ b/Makefile
@@ -3230,8 +3230,8 @@ mimc200_config		:	unconfig
 ## sh2 (Renesas SuperH)
 #########################################################################
 rsk7203_config: unconfig
-	@ >include/config.h
-	@echo "#define CONFIG_RSK7203 1" >> include/config.h
+	@mkdir -p $(obj)include
+	@echo "#define CONFIG_RSK7203 1" > $(obj)/include/config.h
 	@$(MKCONFIG) -a $(@:_config=) sh sh2 rsk7203 renesas
 
 #########################################################################
diff --git a/board/mpr2/lowlevel_init.S b/board/mpr2/lowlevel_init.S
index 060957a..5f02bd4 100644
--- a/board/mpr2/lowlevel_init.S
+++ b/board/mpr2/lowlevel_init.S
@@ -22,6 +22,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */
+#include <asm/macro.h>
 
 	.global	lowlevel_init
 
@@ -33,59 +34,35 @@ lowlevel_init:
 /*
  * Set frequency multipliers and dividers in FRQCR.
  */
-	mov.l	WTCSR_A,r1
-	mov.l	WTCSR_D,r0
-	mov.w	r0,@r1
+	write16	WTCSR_A, WTCSR_D
 
-	mov.l	WTCNT_A,r1
-	mov.l	WTCNT_D,r0
-	mov.w	r0,@r1
+	write16	WTCNT_A, WTCNT_D
 
-	mov.l	FRQCR_A,r1
-	mov.l	FRQCR_D,r0
-	mov.w	r0,@r1
+	write16	FRQCR_A, FRQCR_D
 
 /*
  * Setup CS0 (Flash).
  */
-	mov.l	CS0BCR_A, r1
-	mov.l	CS0BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS0WCR_A, r1
-	mov.l	CS0WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS0WCR_A, CS0WCR_D
 
 /*
  * Setup CS3 (SDRAM).
  */
-	mov.l	CS3BCR_A, r1
-	mov.l	CS3BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS3BCR_A, CS3BCR_D
 
-	mov.l	CS3WCR_A, r1
-	mov.l	CS3WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS3WCR_A, CS3WCR_D
 
-	mov.l	SDCR_A, r1
-	mov.l	SDCR_D1, r0
-	mov.l	r0, @r1
+	write32	SDCR_A, SDCR_D1
 
-	mov.l	RTCSR_A, r1
-	mov.l	RTCSR_D, r0
-	mov.l	r0, @r1
+	write32	RTCSR_A, RTCSR_D
 
-	mov.l	RTCNT_A, r1
-	mov.l	RTCNT_D, r0
-	mov.l	r0, @r1
+	write32	RTCNT_A, RTCNT_D
 
-	mov.l	RTCOR_A, r1
-	mov.l	RTCOR_D, r0
-	mov.l	r0, @r1
+	write32	RTCOR_A, RTCOR_D
 
-	mov.l	SDCR_A, r1
-	mov.l	SDCR_D2, r0
-	mov.l	r0, @r1
+	write32	SDCR_A, SDCR_D2
 
 	mov.l	SDMR3_A, r1
 	mov.l	SDMR3_D, r0
@@ -112,21 +89,27 @@ WTCSR_D:	.long	0xA507		/* divide by 4096 */
 /*
  * Spansion S29GL256N11 @ 48 MHz
  */
-CS0BCR_D:	.long	0x12490400  /* 1 idle cycle inserted, normal space, 16 bit */
-CS0WCR_D:	.long	0x00000340  /* tSW=0.5ck, 6 wait cycles, NO external wait, tHW=0.5ck */
+/* 1 idle cycle inserted, normal space, 16 bit */
+CS0BCR_D:	.long	0x12490400
+/* tSW=0.5ck, 6 wait cycles, NO external wait, tHW=0.5ck */
+CS0WCR_D:	.long	0x00000340
 
 /*
  * Samsung K4S511632B-UL75 @ 48 MHz
  * Micron MT48LC32M16A2-75 @ 48 MHz
  */
-CS3BCR_D:	.long	0x10004400  /* CS3BCR = 0x10004400, minimum idle cycles, SDRAM, 16 bit */
-CS3WCR_D:	.long	0x00000091  /* tRP=1ck, tRCD=1ck, CL=2, tRWL=2ck, tRC=4ck */
-SDCR_D1:	.long	0x00000012  /* no refresh, 13 rows, 10 cols, NO bank active mode */
-SDCR_D2:	.long	0x00000812  /* refresh */
-RTCSR_D:	.long	0xA55A0008  /* 1/4, once */
-RTCNT_D:	.long	0xA55A005D  /* count 93 */
-RTCOR_D:	.long	0xa55a005d  /* count 93 */
-SDMR3_D:	.long	0x440       /* mode register CL2, burst read and SINGLE WRITE */
+/* CS3BCR = 0x10004400, minimum idle cycles, SDRAM, 16 bit */
+CS3BCR_D:	.long	0x10004400
+/* tRP=1ck, tRCD=1ck, CL=2, tRWL=2ck, tRC=4ck */
+CS3WCR_D:	.long	0x00000091
+/* no refresh, 13 rows, 10 cols, NO bank active mode */
+SDCR_D1:	.long	0x00000012
+SDCR_D2:	.long	0x00000812	/* refresh */
+RTCSR_D:	.long	0xA55A0008	/* 1/4, once */
+RTCNT_D:	.long	0xA55A005D	/* count 93 */
+RTCOR_D:	.long	0xa55a005d	/* count 93 */
+/* mode register CL2, burst read and SINGLE WRITE */
+SDMR3_D:	.long	0x440
 
 /*
  * Registers
diff --git a/board/ms7722se/lowlevel_init.S b/board/ms7722se/lowlevel_init.S
index 8b46595..1cb57e7 100644
--- a/board/ms7722se/lowlevel_init.S
+++ b/board/ms7722se/lowlevel_init.S
@@ -27,13 +27,14 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 /*
- *  Board specific low level init code, called _very_ early in the
- *  startup sequence. Relocation to SDRAM has not happened yet, no
- *  stack is available, bss section has not been initialised, etc.
+ * Board specific low level init code, called _very_ early in the
+ * startup sequence. Relocation to SDRAM has not happened yet, no
+ * stack is available, bss section has not been initialised, etc.
  *
- *  (Note: As no stack is available, no subroutines can be called...).
+ * (Note: As no stack is available, no subroutines can be called...).
  */
 
 	.global	lowlevel_init
@@ -43,167 +44,96 @@
 
 lowlevel_init:
 
-	/* Address of Cache Control Register */
-	mov.l	CCR_A, r1
-	/*Instruction Cache Invalidate */
-	mov.l	CCR_D, r0
-	mov.l	r0, @r1
+	/*
+	 * Cache Control Register
+	 * Instruction Cache Invalidate
+	 */
+	write32	CCR_A, CCR_D
 
-	/* Address of MMU Control Register */
-	mov.l	MMUCR_A, r1
-	/* TI == TLB Invalidate bit */
-	mov.l	MMUCR_D, r0
-	mov.l	r0, @r1
+	/*
+	 * Address of MMU Control Register
+	 * TI == TLB Invalidate bit
+	 */
+	write32	MMUCR_A, MMUCR_D
 
 	/* Address of Power Control Register 0 */
-	mov.l	MSTPCR0_A, r1
-	mov.l	MSTPCR0_D, r0
-	mov.l	r0, @r1
+	write32	MSTPCR0_A, MSTPCR0_D
 
 	/* Address of Power Control Register 2 */
-	mov.l	MSTPCR2_A, r1
-	mov.l	MSTPCR2_D, r0
-	mov.l	r0, @r1
+	write32	MSTPCR2_A, MSTPCR2_D
 
-	mov.l	SBSCR_A, r1
-	mov.w	SBSCR_D, r0
-	mov.w	r0, @r1
+	write16	SBSCR_A, SBSCR_D
 
-	mov.l	PSCR_A, r1
-	mov.w	PSCR_D, r0
-	mov.w	r0, @r1
+	write16	PSCR_A, PSCR_D
 
 	/* 0xA4520004 (Watchdog Control / Status Register) */
-!	mov.l	RWTCSR_A, r1
-	/* 0xA507 -> timer_STOP/WDT_CLK=max */
-!	mov.w	RWTCSR_D_1, r0
-!	mov.w	r0, @r1
+!	write16	RWTCSR_A, RWTCSR_D_1	/* 0xA507 -> timer_STOP/WDT_CLK=max */
 
 	/* 0xA4520000 (Watchdog Count Register) */
-	mov.l	RWTCNT_A, r1
-	/*0x5A00 -> Clear */
-	mov.w	RWTCNT_D, r0
-	mov.w	r0, @r1
+	write16	RWTCNT_A, RWTCNT_D	/*0x5A00 -> Clear */
 
 	/* 0xA4520004 (Watchdog Control / Status Register) */
-	mov.l	RWTCSR_A, r1
-	/* 0xA504 -> timer_STOP/CLK=500ms */
-	mov.w	RWTCSR_D_2, r0
-	mov.w	r0, @r1
+	write16	RWTCSR_A, RWTCSR_D_2	/* 0xA504 -> timer_STOP/CLK=500ms */
 
 	/* 0xA4150000 Frequency control register */
-	mov.l	FRQCR_A, r1
-	mov.l	FRQCR_D, r0	!
-	mov.l	r0, @r1
+	write32	FRQCR_A, FRQCR_D
 
-	mov.l	CCR_A, r1
-	mov.l	CCR_D_2, r0
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D_2
 
 bsc_init:
 
-	mov.l	PSELA_A, r1
-	mov.w	PSELA_D, r0
-	mov.w	r0, @r1
+	write16	PSELA_A, PSELA_D
 
-	mov.l	DRVCR_A, r1
-	mov.w	DRVCR_D, r0
-	mov.w	r0, @r1
+	write16	DRVCR_A, DRVCR_D
 
-	mov.l	PCCR_A, r1
-	mov.w	PCCR_D, r0
-	mov.w	r0, @r1
+	write16	PCCR_A, PCCR_D
 
-	mov.l	PECR_A, r1
-	mov.w	PECR_D, r0
-	mov.w	r0, @r1
+	write16	PECR_A, PECR_D
 
-	mov.l	PJCR_A, r1
-	mov.w	PJCR_D, r0
-	mov.w	r0, @r1
+	write16	PJCR_A, PJCR_D
 
-	mov.l	PXCR_A, r1
-	mov.w	PXCR_D, r0
-	mov.w	r0, @r1
+	write16	PXCR_A, PXCR_D
 
-	mov.l	CMNCR_A, r1	! CMNCR address -> R1
-	mov.l	CMNCR_D, r0	! CMNCR data    -> R0
-	mov.l	r0, @r1		! CMNCR set
+	write32	CMNCR_A, CMNCR_D
 
-	mov.l	CS0BCR_A, r1	! CS0BCR address -> R1
-	mov.l	CS0BCR_D, r0	! CS0BCR data    -> R0
-	mov.l	r0, @r1		! CS0BCR set
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS2BCR_A, r1	! CS2BCR address -> R1
-	mov.l	CS2BCR_D, r0	! CS2BCR data    -> R0
-	mov.l	r0, @r1		! CS2BCR set
+	write32	CS2BCR_A, CS2BCR_D
 
-	mov.l	CS4BCR_A, r1	! CS4BCR address -> R1
-	mov.l	CS4BCR_D, r0	! CS4BCR data    -> R0
-	mov.l	r0, @r1		! CS4BCR set
+	write32	CS4BCR_A, CS4BCR_D
 
-	mov.l	CS5ABCR_A, r1	! CS5ABCR address -> R1
-	mov.l	CS5ABCR_D, r0	! CS5ABCR data    -> R0
-	mov.l	r0, @r1		! CS5ABCR set
+	write32	CS5ABCR_A, CS5ABCR_D
 
-	mov.l	CS5BBCR_A, r1	! CS5BBCR address -> R1
-	mov.l	CS5BBCR_D, r0	! CS5BBCR data    -> R0
-	mov.l	r0, @r1		! CS5BBCR set
+	write32	CS5BBCR_A, CS5BBCR_D
 
-	mov.l	CS6ABCR_A, r1	! CS6ABCR address -> R1
-	mov.l	CS6ABCR_D, r0	! CS6ABCR data    -> R0
-	mov.l	r0, @r1		! CS6ABCR set
+	write32	CS6ABCR_A, CS6ABCR_D
 
-	mov.l	CS0WCR_A, r1	! CS0WCR address -> R1
-	mov.l	CS0WCR_D, r0	! CS0WCR data    -> R0
-	mov.l	r0, @r1		! CS0WCR set
+	write32	CS0WCR_A, CS0WCR_D
 
-	mov.l	CS2WCR_A, r1	! CS2WCR address -> R1
-	mov.l	CS2WCR_D, r0	! CS2WCR data    -> R0
-	mov.l	r0, @r1		! CS2WCR set
+	write32	CS2WCR_A, CS2WCR_D
 
-	mov.l	CS4WCR_A, r1	! CS4WCR address -> R1
-	mov.l	CS4WCR_D, r0	! CS4WCR data    -> R0
-	mov.l	r0, @r1		! CS4WCR set
+	write32	CS4WCR_A, CS4WCR_D
 
-	mov.l	CS5AWCR_A, r1	! CS5AWCR address -> R1
-	mov.l	CS5AWCR_D, r0	! CS5AWCR data    -> R0
-	mov.l	r0, @r1		! CS5AWCR set
+	write32	CS5AWCR_A, CS5AWCR_D
 
-	mov.l	CS5BWCR_A, r1	! CS5BWCR address -> R1
-	mov.l	CS5BWCR_D, r0	! CS5BWCR data    -> R0
-	mov.l	r0, @r1		! CS5BWCR set
+	write32	CS5BWCR_A, CS5BWCR_D
 
-	mov.l	CS6AWCR_A, r1	! CS6AWCR address -> R1
-	mov.l	CS6AWCR_D, r0	! CS6AWCR data    -> R0
-	mov.l	r0, @r1		! CS6AWCR set
+	write32	CS6AWCR_A, CS6AWCR_D
 
 	! SDRAM initialization
-	mov.l	SDCR_A, r1	! SB_SDCR address -> R1
-	mov.l	SDCR_D, r0	! SB_SDCR data    -> R0
-	mov.l	r0, @r1		! SB_SDCR set
+	write32	SDCR_A, SDCR_D
 
-	mov.l	SDWCR_A, r1	! SB_SDWCR address -> R1
-	mov.l	SDWCR_D, r0	! SB_SDWCR data    -> R0
-	mov.l	r0, @r1		! SB_SDWCR set
+	write32	SDWCR_A, SDWCR_D
 
-	mov.l	SDPCR_A, r1	! SB_SDPCR address -> R1
-	mov.l	SDPCR_D, r0	! SB_SDPCR data    -> R0
-	mov.l	r0, @r1		! SB_SDPCR set
+	write32	SDPCR_A, SDPCR_D
 
-	mov.l	RTCOR_A, r1	! SB_RTCOR address -> R1
-	mov.l	RTCOR_D, r0	! SB_RTCOR data    -> R0
-	mov.l	r0, @r1		! SB_RTCOR set
+	write32	RTCOR_A, RTCOR_D
 
-	mov.l	RTCSR_A, r1	! SB_RTCSR address -> R1
-	mov.l	RTCSR_D, r0	! SB_RTCSR data    -> R0
-	mov.l	r0, @r1		! SB_RTCSR set
+	write32	RTCSR_A, RTCSR_D
 
-	mov.l	SDMR3_A, r1	! SDMR3 address -> R1
-	mov	#0x00, r0	! SDMR3 data    -> R0
-	mov.b	r0, @r1		! SDMR3 set
+	write8	SDMR3_A, SDMR3_D
 
-	! BL bit off (init = ON)  (?!?)
+	! BL bit off (init = ON) (?!?)
 
 	stc	sr, r0				! BL bit off(init=ON)
 	mov.l	SR_MASK_D, r1
@@ -232,28 +162,28 @@ MSTPCR0_D:	.long	0x00001001
 MSTPCR2_D:	.long	0xffffffff
 FRQCR_D:	.long	0x07022538
 
-PSELA_A:	.long   0xa405014E
-PSELA_D:	.word   0x0A10
+PSELA_A:	.long	0xa405014E
+PSELA_D:	.word	0x0A10
 	.align 2
 
-DRVCR_A:	.long   0xa405018A
-DRVCR_D:	.word   0x0554
+DRVCR_A:	.long	0xa405018A
+DRVCR_D:	.word	0x0554
 	.align 2
 
-PCCR_A:		.long   0xa4050104
-PCCR_D:		.word   0x8800
+PCCR_A:		.long	0xa4050104
+PCCR_D:		.word	0x8800
 	.align 2
 
-PECR_A:		.long   0xa4050108
-PECR_D:		.word   0x0000
+PECR_A:		.long	0xa4050108
+PECR_D:		.word	0x0000
 	.align 2
 
-PJCR_A:		.long   0xa4050110
-PJCR_D:		.word   0x1000
+PJCR_A:		.long	0xa4050110
+PJCR_D:		.word	0x1000
 	.align 2
 
-PXCR_A:		.long   0xa4050148
-PXCR_D:		.word   0x0AAA
+PXCR_A:		.long	0xa4050148
+PXCR_D:		.word	0x0AAA
 	.align 2
 
 CMNCR_A:	.long	CMNCR
@@ -295,6 +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 d3e3cd5..5e09a39 100644
--- a/board/ms7750se/lowlevel_init.S
+++ b/board/ms7750se/lowlevel_init.S
@@ -29,120 +29,94 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 #ifdef CONFIG_CPU_SH7751
-#define BCR2_D_VALUE	0x2FFC	   /* Area 1-6 width: 32/32/32/32/32/16 */
-#define WCR1_D_VALUE    0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */
+#define BCR2_D_VALUE	0x2FFC		/* Area 1-6 width: 32/32/32/32/32/16 */
+#define WCR1_D_VALUE	0x02770771	/* DMA:0 A6:2 A3:0 A0:1 Others:15 */
 #ifdef CONFIG_MARUBUN_PCCARD
-#define WCR2_D_VALUE    0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15
-				      A3:2  A2:15 A1:15 A0:6  A0B:7  */
+#define WCR2_D_VALUE	0xFFFE4FE7	/* A6:15 A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:6  A0B:7  */
 #else /* CONFIG_MARUBUN_PCCARD */
-#define WCR2_D_VALUE    0x7FFE4FE7 /* A6:3  A6B:7 A5:15 A5B:7 A4:15
-				      A3:2  A2:15 A1:15 A0:6  A0B:7  */
+#define WCR2_D_VALUE	0x7FFE4FE7	/* A6:3  A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:6  A0B:7  */
 #endif /* CONFIG_MARUBUN_PCCARD */
-#define WCR3_D_VALUE	0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
-				      A2: 1-3 A1: 1-3 A0: 0-1 */
-#define RTCOR_D_VALUE	0xA50D	   /* Write code A5, data 0D (~15us?) */
-#define SDMR3_ADDRESS	0xFF940088 /* SDMR3 address on 32-bit bus */
-#define MCR_D1_VALUE	0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */
-#define MCR_D2_VALUE	0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */
+#define WCR3_D_VALUE	0x01777771	/* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
+					   A2: 1-3 A1: 1-3 A0: 0-1 */
+#define RTCOR_D_VALUE	0xA50D		/* Write code A5, data 0D (~15us?) */
+#define SDMR3_ADDRESS	0xFF940088	/* SDMR3 address on 32-bit bus */
+#define MCR_D1_VALUE	0x100901B4	/* SDRAM 32-bit, CAS/RAS Refresh, .. */
+#define MCR_D2_VALUE	0x500901B4	/* Same w/MRSET now 1 (mode reg cmd) */
 #else /* CONFIG_CPU_SH7751 */
-#define BCR2_D_VALUE	0x2E3C	   /* Area 1-6 width: 32/32/64/16/32/16 */
-#define WCR1_D_VALUE	0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */
-#define WCR2_D_VALUE	0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15
-				      A3:2  A2:15 A1:15 A0:15 A0B:7  */
-#define WCR3_D_VALUE	0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
-				      A2: 1-3 A1: 1-3 A0: 0-1 */
-#define RTCOR_D_VALUE	0xA510	   /* Write code A5, data 10 (~15us?) */
-#define SDMR3_ADDRESS	0xFF940110 /* SDMR3 address on 64-bit bus */
-#define MCR_D1_VALUE	0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */
-#define MCR_D2_VALUE	0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */
+#define BCR2_D_VALUE	0x2E3C		/* Area 1-6 width: 32/32/64/16/32/16 */
+#define WCR1_D_VALUE	0x02720777	/* DMA:0 A6:2 A4:2 A3:0 Others:15 */
+#define WCR2_D_VALUE	0xFFFE4FFF	/* A6:15 A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:15 A0B:7  */
+#define WCR3_D_VALUE	0x01717771	/* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
+					   A2: 1-3 A1: 1-3 A0: 0-1 */
+#define RTCOR_D_VALUE	0xA510		/* Write code A5, data 10 (~15us?) */
+#define SDMR3_ADDRESS	0xFF940110	/* SDMR3 address on 64-bit bus */
+#define MCR_D1_VALUE	0x8801001C	/* SDRAM 64-bit, CAS/RAS Refresh, .. */
+#define MCR_D2_VALUE	0xC801001C	/* Same w/MRSET now 1 (mode reg cmd) */
 #endif /* CONFIG_CPU_SH7751 */
 
 	.global lowlevel_init
 	.text
-	.align  2
+	.align	2
 
 lowlevel_init:
 
-	mov.l   CCR_A, r1               ! CCR Address
-	mov.l   CCR_D_DISABLE, r0       ! CCR Data
-	mov.l   r0, @r1
+	write32	CCR_A, CCR_D_DISABLE
 
 init_bsc:
-	mov.l	FRQCR_A,r1	/* FRQCR Address */
-	mov.l	FRQCR_D,r0	/* FRQCR Data */
-	mov.w	r0,@r1
+	write16	FRQCR_A, FRQCR_D
 
-	mov.l	BCR1_A,r1	/* BCR1 Address */
-	mov.l	BCR1_D,r0	/* BCR1 Data */
-	mov.l	r0,@r1
+	write32	BCR1_A, BCR1_D
 
-	mov.l	BCR2_A,r1	/* BCR2 Address */
-	mov.l	BCR2_D,r0	/* BCR2 Data */
-	mov.w	r0,@r1
+	write16	BCR2_A, BCR2_D
 
-	mov.l	WCR1_A,r1	/* WCR1 Address */
-	mov.l	WCR1_D,r0	/* WCR1 Data */
-	mov.l	r0,@r1
+	write32	WCR1_A, WCR1_D
 
-	mov.l	WCR2_A,r1	/* WCR2 Address */
-	mov.l	WCR2_D,r0	/* WCR2 Data */
-	mov.l	r0,@r1
+	write32	WCR2_A, WCR2_D
 
-	mov.l	WCR3_A,r1	/* WCR3 Address */
-	mov.l	WCR3_D,r0	/* WCR3 Data */
-	mov.l	r0,@r1
+	write32	WCR3_A, WCR3_D
 
-	mov.l	MCR_A,r1	/* MCR Address */
-	mov.l	MCR_D1,r0	/* MCR Data1 */
-	mov.l	r0,@r1
+	write32	MCR_A, MCR_D1
 
-	mov.l	SDMR3_A,r1	/* Set SDRAM mode */
-	mov	#0,r0
-	mov.b	r0,@r1
+	/* Set SDRAM mode */
+	write8	SDMR3_A, SDMR3_D
 
 	! Do you need PCMCIA setting?
 	! If so, please add the lines here...
 
-	mov.l	RTCNT_A,r1	/* RTCNT Address */
-	mov.l	RTCNT_D,r0	/* RTCNT Data */
-	mov.w	r0,@r1
+	write16	RTCNT_A, RTCNT_D
+
+	write16	RTCOR_A, RTCOR_D
 
-	mov.l	RTCOR_A,r1	/* RTCOR Address */
-	mov.l	RTCOR_D,r0	/* RTCOR Data */
-	mov.w	r0,@r1
+	write16	RTCSR_A, RTCSR_D
 
-	mov.l	RTCSR_A,r1	/* RTCSR Address */
-	mov.l	RTCSR_D,r0	/* RTCSR Data */
-	mov.w	r0,@r1
+	write16	RFCR_A, RFCR_D
 
-	mov.l	RFCR_A,r1	/* RFCR Address */
-	mov.l	RFCR_D,r0	/* RFCR Data */
-	mov.w	r0,@r1		/* Clear reflesh counter */
 	/* Wait DRAM refresh 30 times */
-	mov	#30,r3
+	mov	#30, r3
 1:
-	mov.w	@r1,r0
-	extu.w	r0,r2
-	cmp/hi	r3,r2
+	mov.w	@r1, r0
+	extu.w	r0, r2
+	cmp/hi	r3, r2
 	bf	1b
 
-	mov.l	MCR_A,r1	/* MCR Address */
-	mov.l	MCR_D2,r0	/* MCR Data2 */
-	mov.l	r0,@r1
+	write32	MCR_A, MCR_D2
 
-	mov.l	SDMR3_A,r1	/* Set SDRAM mode */
-	mov	#0,r0
-	mov.b	r0,@r1
+	/* Set SDRAM mode */
+	write8	SDMR3_A, SDMR3_D
 
 	rts
-	 nop
+	nop
 
 	.align	2
 
-CCR_A:          .long   CCR
-CCR_D_DISABLE:  .long   0x0808
+CCR_A:		 .long	CCR
+CCR_D_DISABLE:	.long	0x0808
 FRQCR_A:	.long	FRQCR
 FRQCR_D:
 #ifdef CONFIG_CPU_TYPE_R
@@ -172,6 +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 4c1900e..e32a7af 100644
--- a/board/renesas/MigoR/lowlevel_init.S
+++ b/board/renesas/MigoR/lowlevel_init.S
@@ -27,13 +27,14 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 /*
- *  Board specific low level init code, called _very_ early in the
- *  startup sequence. Relocation to SDRAM has not happened yet, no
- *  stack is available, bss section has not been initialised, etc.
+ * Board specific low level init code, called _very_ early in the
+ * startup sequence. Relocation to SDRAM has not happened yet, no
+ * stack is available, bss section has not been initialised, etc.
  *
- *  (Note: As no stack is available, no subroutines can be called...).
+ * (Note: As no stack is available, no subroutines can be called...).
  */
 
 	.global	lowlevel_init
@@ -42,141 +43,83 @@
 	.align	2
 
 lowlevel_init:
-	mov.l	CCR_A, r1	! Address of Cache Control Register
-	mov.l	CCR_D, r0	! Instruction Cache Invalidate
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D		! Address of Cache Control Register
+					! Instruction Cache Invalidate
 
-	mov.l	MMUCR_A, r1	! Address of MMU Control Register
-	mov.l	MMUCR_D, r0	! TI == TLB Invalidate bit
-	mov.l	r0, @r1
+	write32	MMUCR_A, MMUCR_D	! Address of MMU Control Register
+					! TI == TLB Invalidate bit
 
-	mov.l	MSTPCR0_A, r1	! Address of Power Control Register 0
-	mov.l	MSTPCR0_D, r0	!
-	mov.l	r0, @r1
+	write32	MSTPCR0_A, MSTPCR0_D	! Address of Power Control Register 0
 
-	mov.l	MSTPCR2_A, r1	! Address of Power Control Register 2
-	mov.l	MSTPCR2_D, r0	!
-	mov.l	r0, @r1
+	write32	MSTPCR2_A, MSTPCR2_D	! Address of Power Control Register 2
 
-	mov.l	PFC_PULCR_A, r1
-	mov.w	PFC_PULCR_D, r0
-	mov.w	r0,@r1
+	write16	PFC_PULCR_A, PFC_PULCR_D
 
-	mov.l	PFC_DRVCR_A, r1
-	mov.w	PFC_DRVCR_D, r0
-	mov.w	r0, @r1
+	write16	PFC_DRVCR_A, PFC_DRVCR_D
 
-	mov.l	SBSCR_A, r1	!
-	mov.w	SBSCR_D, r0	!
-	mov.w	r0, @r1
+	write16	SBSCR_A, SBSCR_D
 
-	mov.l	PSCR_A, r1	!
-	mov.w	PSCR_D, r0	!
-	mov.w	r0, @r1
+	write16	PSCR_A, PSCR_D
 
-	mov.l	RWTCSR_A, r1	! 0xA4520004 (Watchdog Control / Status Register)
-	mov.w	RWTCSR_D_1, r0	! 0xA507 -> timer_STOP/WDT_CLK=max
-	mov.w	r0, @r1
+	write16	RWTCSR_A, RWTCSR_D_1	! 0xA4520004 (Watchdog Control / Status Register)
+					! 0xA507 -> timer_STOP / WDT_CLK = max
 
-	mov.l	RWTCNT_A, r1	! 0xA4520000 (Watchdog Count Register)
-	mov.w	RWTCNT_D, r0	! 0x5A00 -> Clear
-	mov.w	r0, @r1
+	write16	RWTCNT_A, RWTCNT_D	! 0xA4520000 (Watchdog Count Register)
+					! 0x5A00 -> Clear
 
-	mov.l	RWTCSR_A, r1	! 0xA4520004 (Watchdog Control / Status Register)
-	mov.w	RWTCSR_D_2, r0	! 0xA504 -> timer_STOP/CLK=500ms
-	mov.w	r0, @r1
+	write16	RWTCSR_A, RWTCSR_D_2	! 0xA4520004 (Watchdog Control / Status Register)
+					! 0xA504 -> timer_STOP / CLK = 500ms
 
-	mov.l	DLLFRQ_A, r1	! 20080115
-	mov.l	DLLFRQ_D, r0	! 20080115
-	mov.l	r0, @r1
+	write32	DLLFRQ_A, DLLFRQ_D	! 20080115
+					! 20080115
 
-	mov.l	FRQCR_A, r1		! 0xA4150000 Frequency control register
-	mov.l	FRQCR_D, r0	! 20080115
-	mov.l	r0, @r1
+	write32	FRQCR_A, FRQCR_D	! 0xA4150000 Frequency control register
+					! 20080115
 
-	mov.l	CCR_A, r1		! Address of Cache Control Register
-	mov.l	CCR_D_2, r0	! ??
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D_2		! Address of Cache Control Register
+					! ??
 
 bsc_init:
-	mov.l	CMNCR_A, r1	! CMNCR address -> R1
-	mov.l	CMNCR_D, r0	! CMNCR data    -> R0
-	mov.l	r0, @r1		! CMNCR set
+	write32	CMNCR_A, CMNCR_D
 
-	mov.l	CS0BCR_A, r1	! CS0BCR address -> R1
-	mov.l	CS0BCR_D, r0	! CS0BCR data    -> R0
-	mov.l	r0, @r1		! CS0BCR set
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS4BCR_A, r1	! CS4BCR address -> R1
-	mov.l	CS4BCR_D, r0	! CS4BCR data    -> R0
-	mov.l	r0, @r1		! CS4BCR set
+	write32	CS4BCR_A, CS4BCR_D
 
-	mov.l	CS5ABCR_A, r1	! CS5ABCR address -> R1
-	mov.l	CS5ABCR_D, r0	! CS5ABCR data    -> R0
-	mov.l	r0, @r1		! CS5ABCR set
+	write32	CS5ABCR_A, CS5ABCR_D
 
-	mov.l	CS5BBCR_A, r1	! CS5BBCR address -> R1
-	mov.l	CS5BBCR_D, r0	! CS5BBCR data    -> R0
-	mov.l	r0, @r1		! CS5BBCR set
+	write32	CS5BBCR_A, CS5BBCR_D
 
-	mov.l	CS6ABCR_A, r1	! CS6ABCR address -> R1
-	mov.l	CS6ABCR_D, r0	! CS6ABCR data    -> R0
-	mov.l	r0, @r1		! CS6ABCR set
+	write32	CS6ABCR_A, CS6ABCR_D
 
-	mov.l	CS0WCR_A, r1	! CS0WCR address -> R1
-	mov.l	CS0WCR_D, r0	! CS0WCR data    -> R0
-	mov.l	r0, @r1		! CS0WCR set
+	write32	CS0WCR_A, CS0WCR_D
 
-	mov.l	CS4WCR_A, r1	! CS4WCR address -> R1
-	mov.l	CS4WCR_D, r0	! CS4WCR data    -> R0
-	mov.l	r0, @r1		! CS4WCR set
+	write32	CS4WCR_A, CS4WCR_D
 
-	mov.l	CS5AWCR_A, r1	! CS5AWCR address -> R1
-	mov.l	CS5AWCR_D, r0	! CS5AWCR data    -> R0
-	mov.l	r0, @r1		! CS5AWCR set
+	write32	CS5AWCR_A, CS5AWCR_D
 
-	mov.l	CS5BWCR_A, r1	! CS5BWCR address -> R1
-	mov.l	CS5BWCR_D, r0	! CS5BWCR data    -> R0
-	mov.l	r0, @r1		! CS5BWCR set
+	write32	CS5BWCR_A, CS5BWCR_D
 
-	mov.l	CS6AWCR_A, r1	! CS6AWCR address -> R1
-	mov.l	CS6AWCR_D, r0	! CS6AWCR data    -> R0
-	mov.l	r0, @r1		! CS6AWCR set
+	write32	CS6AWCR_A, CS6AWCR_D
 
 	! SDRAM initialization
-	mov.l	SDCR_A, r1	! SB_SDCR address -> R1
-	mov.l	SDCR_D, r0	! SB_SDCR data    -> R0
-	mov.l	r0, @r1		! SB_SDCR set
+	write32	SDCR_A, SDCR_D
 
-	mov.l	SDWCR_A, r1	! SB_SDWCR address -> R1
-	mov.l	SDWCR_D, r0	! SB_SDWCR data    -> R0
-	mov.l	r0, @r1		! SB_SDWCR set
+	write32	SDWCR_A, SDWCR_D
 
-	mov.l	SDPCR_A, r1	! SB_SDPCR address -> R1
-	mov.l	SDPCR_D, r0	! SB_SDPCR data    -> R0
-	mov.l	r0, @r1		! SB_SDPCR set
+	write32	SDPCR_A, SDPCR_D
 
-	mov.l	RTCOR_A, r1	! SB_RTCOR address -> R1
-	mov.l	RTCOR_D, r0	! SB_RTCOR data    -> R0
-	mov.l	r0, @r1		! SB_RTCOR set
+	write32	RTCOR_A, RTCOR_D
 
-	mov.l	RTCNT_A, r1	! SB_RTCNT address -> R1
-	mov.l	RTCNT_D, r0	! SB_RTCNT data    -> R0
-	mov.l	r0, @r1
+	write32	RTCNT_A, RTCNT_D
 
-	mov.l	RTCSR_A, r1	! SB_RTCSR address -> R1
-	mov.l	RTCSR_D, r0	! SB_RTCSR data    -> R0
-	mov.l	r0, @r1		! SB_RTCSR set
+	write32	RTCSR_A, RTCSR_D
 
-	mov.l	RFCR_A, r1	! SB_RFCR address -> R1
-	mov.l	RFCR_D, r0	! SB_RFCR data    -> R0
-	mov.l	r0, @r1
+	write32	RFCR_A, RFCR_D
 
-	mov.l	SDMR3_A, r1	! SDMR3 address -> R1
-	mov	#0x00, r0	! SDMR3 data    -> R0
-	mov.b	r0, @r1		! SDMR3 set
+	write8	SDMR3_A, SDMR3_D
 
-	! BL bit off (init = ON)  (?!?)
+	! BL bit off (init = ON) (?!?)
 
 	stc	sr, r0				! BL bit off(init=ON)
 	mov.l	SR_MASK_D, r1
@@ -252,6 +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/ap325rxa/lowlevel_init.S b/board/renesas/ap325rxa/lowlevel_init.S
index 4f66588..b32f491 100644
--- a/board/renesas/ap325rxa/lowlevel_init.S
+++ b/board/renesas/ap325rxa/lowlevel_init.S
@@ -23,6 +23,7 @@
 #include <config.h>
 #include <version.h>
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 /*
  * Board specific low level init code, called _very_ early in the
@@ -38,113 +39,59 @@
 	.align	2
 
 lowlevel_init:
-	mov.l	DRVCRA_A, r1
-	mov.l 	DRVCRA_D, r0
-	mov.w	r0, @r1
+	write16	DRVCRA_A, DRVCRA_D
 
-	mov.l	DRVCRB_A, r1
-	mov.l 	DRVCRB_D, r0
-	mov.w	r0, @r1
+	write16	DRVCRB_A, DRVCRB_D
 
-	mov.l	RWTCSR_A, r1
-	mov.l 	RWTCSR_D1, r0
-	mov.w	r0, @r1
+	write16	RWTCSR_A, RWTCSR_D1
 
-	mov.l	RWTCNT_A, r1
-	mov.l 	RWTCNT_D, r0
-	mov.w	r0, @r1
+	write16	RWTCNT_A, RWTCNT_D
 
-	mov.l	RWTCSR_A, r1
-	mov.l 	RWTCSR_D2, r0
-	mov.w	r0, @r1
+	write16	RWTCSR_A, RWTCSR_D2
 
-	mov.l	FRQCR_A, r1
-	mov.l 	FRQCR_D, r0
-	mov.l	r0, @r1
+	write32	FRQCR_A, FRQCR_D
 
-	mov.l	CMNCR_A, r1
-	mov.l	CMNCR_D, r0
-	mov.l	r0, @r1
+	write32	CMNCR_A, CMNCR_D
 
-	mov.l	CS0BCR_A ,r1
-	mov.l	CS0BCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS4BCR_A ,r1
-	mov.l	CS4BCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS4BCR_A, CS4BCR_D
 
-	mov.l	CS5ABCR_A ,r1
-	mov.l	CS5ABCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS5ABCR_A, CS5ABCR_D
 
-	mov.l	CS5BBCR_A ,r1
-	mov.l	CS5BBCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS5BBCR_A, CS5BBCR_D
 
-	mov.l	CS6ABCR_A ,r1
-	mov.l	CS6ABCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS6ABCR_A, CS6ABCR_D
 
-	mov.l	CS6BBCR_A ,r1
-	mov.l	CS6BBCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS6BBCR_A, CS6BBCR_D
 
-	mov.l	CS0WCR_A ,r1
-	mov.l	CS0WCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS0WCR_A, CS0WCR_D
 
-	mov.l	CS4WCR_A ,r1
-	mov.l	CS4WCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS4WCR_A, CS4WCR_D
 
-	mov.l	CS5AWCR_A ,r1
-	mov.l	CS5AWCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS5AWCR_A, CS5AWCR_D
 
-	mov.l	CS5BWCR_A ,r1
-	mov.l	CS5BWCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS5BWCR_A, CS5BWCR_D
 
-	mov.l	CS6AWCR_A ,r1
-	mov.l	CS6AWCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS6AWCR_A, CS6AWCR_D
 
-	mov.l	CS6BWCR_A ,r1
-	mov.l	CS6BWCR_D ,r0
-	mov.l	r0, @r1
+	write32	CS6BWCR_A, CS6BWCR_D
 
-	mov.l	SBSC_SDCR_A, r1
-	mov.l 	SBSC_SDCR_D1, r0
-	mov.l	r0, @r1
+	write32	SBSC_SDCR_A, SBSC_SDCR_D1
 
-	mov.l	SBSC_SDWCR_A, r1
-	mov.l 	SBSC_SDWCR_D, r0
-	mov.l	r0, @r1
+	write32	SBSC_SDWCR_A, SBSC_SDWCR_D
 
-	mov.l	SBSC_SDPCR_A, r1
-	mov.l 	SBSC_SDPCR_D, r0
-	mov.l	r0, @r1
+	write32	SBSC_SDPCR_A, SBSC_SDPCR_D
 
-	mov.l	SBSC_RTCSR_A, r1
-	mov.l 	SBSC_RTCSR_D, r0
-	mov.l	r0, @r1
+	write32	SBSC_RTCSR_A, SBSC_RTCSR_D
 
-	mov.l	SBSC_RTCNT_A, r1
-	mov.l 	SBSC_RTCNT_D, r0
-	mov.l	r0, @r1
+	write32	SBSC_RTCNT_A, SBSC_RTCNT_D
 
-	mov.l	SBSC_RTCOR_A, r1
-	mov.l 	SBSC_RTCOR_D, r0
-	mov.l	r0, @r1
+	write32	SBSC_RTCOR_A, SBSC_RTCOR_D
 
-	mov.l	SBSC_SDMR3_A1, r1
-	mov.l 	SBSC_SDMR3_D, r0
-	mov.b	r0, @r1
+	write8	SBSC_SDMR3_A1, SBSC_SDMR3_D
 
-	mov.l	SBSC_SDMR3_A2, r1
-	mov.l 	SBSC_SDMR3_D, r0
-	mov.b	r0, @r1
+	write8	SBSC_SDMR3_A2, SBSC_SDMR3_D
 
 	mov.l	SLEEP_CNT, r1
 2:	tst	r1, r1
@@ -152,19 +99,13 @@ lowlevel_init:
 	bf/s	2b
 	dt	r1
 
-	mov.l	SBSC_SDMR3_A3, r1
-	mov.l 	SBSC_SDMR3_D, r0
-	mov.b	r0, @r1
+	write8	SBSC_SDMR3_A3, SBSC_SDMR3_D
 
-	mov.l	SBSC_SDCR_A, r1
-	mov.l 	SBSC_SDCR_D2, r0
-	mov.l	r0, @r1
+	write32	SBSC_SDCR_A, SBSC_SDCR_D2
 
-	mov.l	CCR_A, r1
-	mov.l 	CCR_D, r0
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D
 
-	! BL bit off (init = ON)  (?!?)
+	! BL bit off (init = ON) (?!?)
 
 	stc	sr, r0				! BL bit off(init=ON)
 	mov.l	SR_MASK_D, r1
@@ -211,7 +152,7 @@ SBSC_SDMR3_D:	.long	0x00
 CMNCR_A:	.long	CMNCR
 CS0BCR_A:	.long	CS0BCR
 CS4BCR_A:	.long	CS4BCR
-CS5ABCR_A:	.long 	CS5ABCR
+CS5ABCR_A:	.long	CS5ABCR
 CS5BBCR_A:	.long	CS5BBCR
 CS6ABCR_A:	.long	CS6ABCR
 CS6BBCR_A:	.long	CS6BBCR
diff --git a/board/renesas/r2dplus/lowlevel_init.S b/board/renesas/r2dplus/lowlevel_init.S
index 28d2b37..76d3cfc 100644
--- a/board/renesas/r2dplus/lowlevel_init.S
+++ b/board/renesas/r2dplus/lowlevel_init.S
@@ -8,6 +8,7 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 	.global lowlevel_init
 	.text
@@ -15,98 +16,56 @@
 
 lowlevel_init:
 
-	mov.l	CCR_A, r1
-	mov.l	CCR_D_D, r0
-	mov.l	r0,@r1
+	write32	CCR_A, CCR_D_D
 
-	mov.l	MMUCR_A,r1
-	mov.l	MMUCR_D,r0
-	mov.l	r0,@r1
+	write32	MMUCR_A, MMUCR_D
 
-	mov.l	BCR1_A,r1
-	mov.l	BCR1_D,r0
-	mov.l	r0,@r1
+	write32	BCR1_A, BCR1_D
 
-	mov.l	BCR2_A,r1
-	mov.l	BCR2_D,r0
-	mov.w	r0,@r1
+	write16	BCR2_A, BCR2_D
 
-	mov.l	BCR3_A,r1
-	mov.l	BCR3_D,r0
-	mov.w	r0,@r1
+	write16	BCR3_A, BCR3_D
 
-	mov.l	BCR4_A,r1
-	mov.l	BCR4_D,r0
-	mov.l	r0,@r1
+	write32	BCR4_A, BCR4_D
 
-	mov.l	WCR1_A,r1
-	mov.l	WCR1_D,r0
-	mov.l	r0,@r1
+	write32	WCR1_A, WCR1_D
 
-	mov.l	WCR2_A,r1
-	mov.l	WCR2_D,r0
-	mov.l	r0,@r1
+	write32	WCR2_A, WCR2_D
 
-	mov.l	WCR3_A,r1
-	mov.l	WCR3_D,r0
-	mov.l	r0,@r1
+	write32	WCR3_A, WCR3_D
 
-	mov.l	PCR_A,r1
-	mov.l	PCR_D,r0
-	mov.w	r0,@r1
+	write16	PCR_A, PCR_D
 
-	mov.l	LED_A,r1
-	mov	#0xff,r0
-	mov.w	r0,@r1
+	write16	LED_A, LED_D
 
-	mov.l	MCR_A,r1
-	mov.l	MCR_D1,r0
-	mov.l	r0,@r1
+	write32	MCR_A, MCR_D1
 
-	mov.l	RTCNT_A,r1
-	mov.l	RTCNT_D,r0
-	mov.w	r0,@r1
+	write16	RTCNT_A, RTCNT_D
 
-	mov.l	RTCOR_A,r1
-	mov.l	RTCOR_D,r0
-	mov.w	r0,@r1
+	write16	RTCOR_A, RTCOR_D
 
-	mov.l	RFCR_A,r1
-	mov.l	RFCR_D,r0
-	mov.w	r0,@r1
+	write16	RFCR_A, RFCR_D
 
-	mov.l	RTCSR_A,r1
-	mov.l	RTCSR_D,r0
-	mov.w	r0,@r1
+	write16	RTCSR_A, RTCSR_D
 
-	mov.l	SDMR3_A,r1
-	mov	#0x55,r0
-	mov.b	r0,@r1
+	write8	SDMR3_A, SDMR3_D0
 
 	/* Wait DRAM refresh 30 times */
-	mov.l	RFCR_A,r1
-	mov	#30,r3
+	mov.l	RFCR_A, r1
+	mov	#30, r3
 1:
-	mov.w	@r1,r0
-	extu.w	r0,r2
-	cmp/hi	r3,r2
+	mov.w	@r1, r0
+	extu.w	r0, r2
+	cmp/hi	r3, r2
 	bf	1b
 
-	mov.l	MCR_A,r1
-	mov.l	MCR_D2,r0
-	mov.l	r0,@r1
+	write32	MCR_A, MCR_D2
 
-	mov.l	SDMR3_A,r1
-	mov	#0,r0
-	mov.b	r0,@r1
+	write8	SDMR3_A, SDMR3_D1
 
-	mov.l	IRLMASK_A,r1
-	mov.l	IRLMASK_D,r0
-	mov.l	r0,@r1
+	write32	IRLMASK_A, IRLMASK_D
 
-	mov.l	CCR_A, r1
-	mov.l	CCR_D_E, r0
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D_E
 
 	rts
 	nop
@@ -133,6 +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 */
@@ -140,7 +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' */
diff --git a/board/renesas/r7780mp/lowlevel_init.S b/board/renesas/r7780mp/lowlevel_init.S
index ab0499a..bbea621 100644
--- a/board/renesas/r7780mp/lowlevel_init.S
+++ b/board/renesas/r7780mp/lowlevel_init.S
@@ -22,13 +22,14 @@
 #include <config.h>
 #include <version.h>
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 /*
- *  Board specific low level init code, called _very_ early in the
- *  startup sequence. Relocation to SDRAM has not happened yet, no
- *  stack is available, bss section has not been initialised, etc.
+ * Board specific low level init code, called _very_ early in the
+ * startup sequence. Relocation to SDRAM has not happened yet, no
+ * stack is available, bss section has not been initialised, etc.
  *
- *  (Note: As no stack is available, no subroutines can be called...).
+ * (Note: As no stack is available, no subroutines can be called...).
  */
 
 	.global	lowlevel_init
@@ -38,63 +39,36 @@
 
 lowlevel_init:
 
-	mov.l	CCR_A, r1	/* Address of Cache Control Register */
-	mov.l	CCR_D, r0	/* Instruction Cache Invalidate */
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_D		/* Address of Cache Control Register */
+					/* Instruction Cache Invalidate */
 
-	mov.l	FRQCR_A, r1	/* Frequency control register */
-	mov.l	FRQCR_D, r0
-	mov.l	r0, @r1
+	write32	FRQCR_A, FRQCR_D	/* Frequency control register */
 
 	/* pin_multi_setting */
-	mov.l   BBG_PMMR_A,r1
-	mov.l   BBG_PMMR_D_PMSR1,r0
-	mov.l   r0,@r1
+	write32	BBG_PMMR_A, BBG_PMMR_D_PMSR1
 
-	mov.l   BBG_PMSR1_A,r1
-	mov.l   BBG_PMSR1_D,r0
-	mov.l   r0,@r1
+	write32	BBG_PMSR1_A, BBG_PMSR1_D
 
-	mov.l   BBG_PMMR_A,r1
-	mov.l   BBG_PMMR_D_PMSR2,r0
-	mov.l   r0,@r1
+	write32	BBG_PMMR_A, BBG_PMMR_D_PMSR2
 
-	mov.l   BBG_PMSR2_A,r1
-	mov.l   BBG_PMSR2_D,r0
-	mov.l   r0,@r1
+	write32	BBG_PMSR2_A, BBG_PMSR2_D
 
-	mov.l   BBG_PMMR_A,r1
-	mov.l   BBG_PMMR_D_PMSR3,r0
-	mov.l   r0,@r1
+	write32	BBG_PMMR_A, BBG_PMMR_D_PMSR3
 
-	mov.l   BBG_PMSR3_A,r1
-	mov.l   BBG_PMSR3_D,r0
-	mov.l   r0,@r1
+	write32	BBG_PMSR3_A, BBG_PMSR3_D
 
-	mov.l   BBG_PMMR_A,r1
-	mov.l   BBG_PMMR_D_PMSR4,r0
-	mov.l   r0,@r1
+	write32	BBG_PMMR_A, BBG_PMMR_D_PMSR4
 
-	mov.l   BBG_PMSR4_A,r1
-	mov.l   BBG_PMSR4_D,r0
-	mov.l   r0,@r1
+	write32	BBG_PMSR4_A, BBG_PMSR4_D
 
-	mov.l   BBG_PMMR_A,r1
-	mov.l   BBG_PMMR_D_PMSRG,r0
-	mov.l   r0,@r1
+	write32	BBG_PMMR_A, BBG_PMMR_D_PMSRG
 
-	mov.l   BBG_PMSRG_A,r1
-	mov.l   BBG_PMSRG_D,r0
-	mov.l   r0,@r1
+	write32	BBG_PMSRG_A, BBG_PMSRG_D
 
 	/* cpg_setting */
-	mov.l   FRQCR_A,r1
-	mov.l   FRQCR_D,r0
-	mov.l   r0,@r1
+	write32	FRQCR_A, FRQCR_D
 
-	mov.l   DLLCSR_A,r1
-	mov.l   DLLCSR_D,r0
-	mov.l   r0,@r1
+	write32	DLLCSR_A, DLLCSR_D
 
 	nop
 	nop
@@ -108,111 +82,79 @@ lowlevel_init:
 	nop
 
 	/* wait 200us */
-	mov.l   REPEAT0_R3,r3
-	mov     #0,r2
+	mov.l	REPEAT0_R3, r3
+	mov	#0, r2
 repeat0:
-	add     #1,r2
-	cmp/hs  r3,r2
-	bf      repeat0
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat0
 	nop
 
 	/* bsc_setting */
-	mov.l	MMSELR_A,r1
-	mov.l	MMSELR_D,r0
-	mov.l	r0,@r1
+	write32	MMSELR_A, MMSELR_D
 
-	mov.l	BCR_A,r1
-	mov.l	BCR_D,r0
-	mov.l	r0,@r1
+	write32	BCR_A, BCR_D
 
-	mov.l	CS0BCR_A,r1
-	mov.l	CS0BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS1BCR_A,r1
-	mov.l	CS1BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS1BCR_A, CS1BCR_D
 
-	mov.l	CS2BCR_A,r1
-	mov.l	CS2BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS2BCR_A, CS2BCR_D
 
-	mov.l	CS4BCR_A,r1
-	mov.l	CS4BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS4BCR_A, CS4BCR_D
 
-	mov.l	CS5BCR_A,r1
-	mov.l	CS5BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS5BCR_A, CS5BCR_D
 
-	mov.l	CS6BCR_A,r1
-	mov.l	CS6BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS6BCR_A, CS6BCR_D
 
-	mov.l	CS0WCR_A,r1
-	mov.l	CS0WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS0WCR_A, CS0WCR_D
 
-	mov.l	CS1WCR_A,r1
-	mov.l	CS1WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS1WCR_A, CS1WCR_D
 
-	mov.l	CS2WCR_A,r1
-	mov.l	CS2WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS2WCR_A, CS2WCR_D
 
-	mov.l	CS4WCR_A,r1
-	mov.l	CS4WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS4WCR_A, CS4WCR_D
 
-	mov.l	CS5WCR_A,r1
-	mov.l	CS5WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS5WCR_A, CS5WCR_D
 
-	mov.l	CS6WCR_A,r1
-	mov.l	CS6WCR_D,r0
-	mov.l	r0,@r1
+	write32	CS6WCR_A, CS6WCR_D
 
-	mov.l	CS5PCR_A,r1
-	mov.l	CS5PCR_D,r0
-	mov.l	r0,@r1
+	write32	CS5PCR_A, CS5PCR_D
 
-	mov.l	CS6PCR_A,r1
-	mov.l	CS6PCR_D,r0
-	mov.l	r0,@r1
+	write32	CS6PCR_A, CS6PCR_D
 
 	/* ddr_setting */
 	/* wait 200us */
-	mov.l   REPEAT0_R3,r3
-	mov     #0,r2
+	mov.l	REPEAT0_R3, r3
+	mov	#0, r2
 repeat1:
-	add     #1,r2
-	cmp/hs  r3,r2
-	bf      repeat1
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat1
 	nop
 
-	mov.l   MIM_U_A,r0
-	mov.l   MIM_U_D,r1
+	mov.l	MIM_U_A, r0
+	mov.l	MIM_U_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
-	mov.l	MIM_L_A,r0
-	mov.l	MIM_L_D0,r1
+	mov.l	MIM_L_A, r0
+	mov.l	MIM_L_D0, r1
 	synco
-	mov.l	r1,@r0
+	mov.l	r1, @r0
 	synco
 
-	mov.l   STR_L_A,r0
-	mov.l   STR_L_D,r1
+	mov.l	STR_L_A, r0
+	mov.l	STR_L_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
-	mov.l   SDR_L_A,r0
-	mov.l   SDR_L_D,r1
+	mov.l	SDR_L_A, r0
+	mov.l	SDR_L_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
@@ -220,193 +162,193 @@ repeat1:
 	nop
 	nop
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D0,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D0, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D1,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D1, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   EMRS_A,r0
-	mov.l   EMRS_D,r1
+	mov.l	EMRS_A, r0
+	mov.l	EMRS_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   MRS1_A,r0
-	mov.l   MRS1_D,r1
+	mov.l	MRS1_A, r0
+	mov.l	MRS1_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D2,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D2, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D3,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D3, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D4,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D4, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   MRS2_A,r0
-	mov.l   MRS2_D,r1
+	mov.l	MRS2_A, r0
+	mov.l	MRS2_D, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	nop
 	nop
 	nop
 
-	mov.l   SCR_L_A,r0
-	mov.l   SCR_L_D5,r1
+	mov.l	SCR_L_A, r0
+	mov.l	SCR_L_D5, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	/* wait 200us */
-	mov.l   REPEAT0_R1,r3
-	mov     #0,r2
+	mov.l	REPEAT0_R1, r3
+	mov	#0, r2
 repeat2:
-	add     #1,r2
-	cmp/hs  r3,r2
-	bf      repeat2
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat2
 
 	synco
 
-	mov.l   MIM_L_A,r0
-	mov.l   MIM_L_D1,r1
+	mov.l	MIM_L_A, r0
+	mov.l	MIM_L_D1, r1
 	synco
-	mov.l   r1,@r0
+	mov.l	r1, @r0
 	synco
 
 	rts
 	nop
 	.align	4
 
-RWTCSR_D_1:				.word	0xA507
-RWTCSR_D_2:				.word	0xA507
-RWTCNT_D:				.word	0x5A00
+RWTCSR_D_1:		.word	0xA507
+RWTCSR_D_2:		.word	0xA507
+RWTCNT_D:		.word	0x5A00
 	.align	2
 
-BBG_PMMR_A:				.long	0xFF800010
-BBG_PMSR1_A:			.long	0xFF800014
-BBG_PMSR2_A:			.long	0xFF800018
-BBG_PMSR3_A:			.long	0xFF80001C
-BBG_PMSR4_A:			.long	0xFF800020
-BBG_PMSRG_A:			.long	0xFF800024
-
-BBG_PMMR_D_PMSR1:       .long	0xffffbffd
-BBG_PMSR1_D:            .long	0x00004002
-BBG_PMMR_D_PMSR2:       .long	0xfc21a7ff
-BBG_PMSR2_D:            .long	0x03de5800
-BBG_PMMR_D_PMSR3:       .long	0xfffffff8
-BBG_PMSR3_D:            .long	0x00000007
-BBG_PMMR_D_PMSR4:       .long	0xdffdfff9
-BBG_PMSR4_D:            .long	0x20020006
-BBG_PMMR_D_PMSRG:       .long	0xffffffff
-BBG_PMSRG_D:            .long	0x00000000
-
-FRQCR_A:				.long	FRQCR
-DLLCSR_A:				.long	0xffc40010
-FRQCR_D:				.long	0x40233035
-DLLCSR_D:				.long	0x00000000
+BBG_PMMR_A:		.long	0xFF800010
+BBG_PMSR1_A:		.long	0xFF800014
+BBG_PMSR2_A:		.long	0xFF800018
+BBG_PMSR3_A:		.long	0xFF80001C
+BBG_PMSR4_A:		.long	0xFF800020
+BBG_PMSRG_A:		.long	0xFF800024
+
+BBG_PMMR_D_PMSR1:	.long	0xffffbffd
+BBG_PMSR1_D:		.long	0x00004002
+BBG_PMMR_D_PMSR2:	.long	0xfc21a7ff
+BBG_PMSR2_D:		.long	0x03de5800
+BBG_PMMR_D_PMSR3:	.long	0xfffffff8
+BBG_PMSR3_D:		.long	0x00000007
+BBG_PMMR_D_PMSR4:	.long	0xdffdfff9
+BBG_PMSR4_D:		.long	0x20020006
+BBG_PMMR_D_PMSRG:	.long	0xffffffff
+BBG_PMSRG_D:		.long	0x00000000
+
+FRQCR_A:		.long	FRQCR
+DLLCSR_A:		.long	0xffc40010
+FRQCR_D:		.long	0x40233035
+DLLCSR_D:		.long	0x00000000
 
 /* for DDR-SDRAM */
-MIM_U_A:				.long	MIM_1
-MIM_L_A:				.long	MIM_2
-SCR_U_A:				.long	SCR_1
-SCR_L_A:				.long	SCR_2
-STR_U_A:				.long	STR_1
-STR_L_A:				.long	STR_2
-SDR_U_A:				.long	SDR_1
-SDR_L_A:				.long	SDR_2
-
-EMRS_A:					.long	0xFEC02000
-MRS1_A:					.long	0xFEC00B08
-MRS2_A:					.long	0xFEC00308
-
-MIM_U_D:				.long	0x00004000
-MIM_L_D0:				.long	0x03e80009
-MIM_L_D1:				.long	0x03e80209
-SCR_L_D0:				.long	0x3
-SCR_L_D1:				.long	0x2
-SCR_L_D2:				.long	0x2
-SCR_L_D3:				.long	0x4
-SCR_L_D4:				.long	0x4
-SCR_L_D5:				.long	0x0
-STR_L_D:				.long	0x000f0000
-SDR_L_D:				.long	0x00000400
-EMRS_D:					.long	0x0
-MRS1_D:					.long	0x0
-MRS2_D:					.long	0x0
+MIM_U_A:		.long	MIM_1
+MIM_L_A:		.long	MIM_2
+SCR_U_A:		.long	SCR_1
+SCR_L_A:		.long	SCR_2
+STR_U_A:		.long	STR_1
+STR_L_A:		.long	STR_2
+SDR_U_A:		.long	SDR_1
+SDR_L_A:		.long	SDR_2
+
+EMRS_A:			.long	0xFEC02000
+MRS1_A:			.long	0xFEC00B08
+MRS2_A:			.long	0xFEC00308
+
+MIM_U_D:		.long	0x00004000
+MIM_L_D0:		.long	0x03e80009
+MIM_L_D1:		.long	0x03e80209
+SCR_L_D0:		.long	0x3
+SCR_L_D1:		.long	0x2
+SCR_L_D2:		.long	0x2
+SCR_L_D3:		.long	0x4
+SCR_L_D4:		.long	0x4
+SCR_L_D5:		.long	0x0
+STR_L_D:		.long	0x000f0000
+SDR_L_D:		.long	0x00000400
+EMRS_D:			.long	0x0
+MRS1_D:			.long	0x0
+MRS2_D:			.long	0x0
 
 /* Cache Controller */
-CCR_A:		.long	CCR
-MMUCR_A:	.long	MMUCR
-RWTCNT_A:	.long	WTCNT
+CCR_A:			.long	CCR
+MMUCR_A:		.long	MMUCR
+RWTCNT_A:		.long	WTCNT
 
-CCR_D:		.long	0x0000090b
-CCR_D_2:	.long	0x00000103
-MMUCR_D:	.long	0x00000004
-MSTPCR0_D:	.long	0x00001001
-MSTPCR2_D:	.long	0xffffffff
+CCR_D:			.long	0x0000090b
+CCR_D_2:		.long	0x00000103
+MMUCR_D:		.long	0x00000004
+MSTPCR0_D:		.long	0x00001001
+MSTPCR2_D:		.long	0xffffffff
 
 /* local Bus State Controller */
-MMSELR_A:   .long   MMSELR
-BCR_A:      .long   BCR
-CS0BCR_A:   .long   CS0BCR
-CS1BCR_A:   .long   CS1BCR
-CS2BCR_A:   .long   CS2BCR
-CS4BCR_A:   .long   CS4BCR
-CS5BCR_A:   .long   CS5BCR
-CS6BCR_A:   .long   CS6BCR
-CS0WCR_A:   .long   CS0WCR
-CS1WCR_A:   .long   CS1WCR
-CS2WCR_A:   .long   CS2WCR
-CS4WCR_A:   .long   CS4WCR
-CS5WCR_A:   .long   CS5WCR
-CS6WCR_A:   .long   CS6WCR
-CS5PCR_A:   .long   CS5PCR
-CS6PCR_A:   .long   CS6PCR
+MMSELR_A:		.long	MMSELR
+BCR_A:			.long	BCR
+CS0BCR_A:		.long	CS0BCR
+CS1BCR_A:		.long	CS1BCR
+CS2BCR_A:		.long	CS2BCR
+CS4BCR_A:		.long	CS4BCR
+CS5BCR_A:		.long	CS5BCR
+CS6BCR_A:		.long	CS6BCR
+CS0WCR_A:		.long	CS0WCR
+CS1WCR_A:		.long	CS1WCR
+CS2WCR_A:		.long	CS2WCR
+CS4WCR_A:		.long	CS4WCR
+CS5WCR_A:		.long	CS5WCR
+CS6WCR_A:		.long	CS6WCR
+CS5PCR_A:		.long	CS5PCR
+CS6PCR_A:		.long	CS6PCR
 
 MMSELR_D:		.long	0xA5A50003
 BCR_D:			.long	0x00000000
@@ -425,5 +367,5 @@ CS6WCR_D:		.long	0x77777703
 CS5PCR_D:		.long	0x77000000
 CS6PCR_D:		.long	0x77000000
 
-REPEAT0_R3:	.long   0x00002000
-REPEAT0_R1:	.long   0x0000200
+REPEAT0_R3:		.long	0x00002000
+REPEAT0_R1:		.long	0x0000200
diff --git a/board/renesas/rsk7203/Makefile b/board/renesas/rsk7203/Makefile
index 7365d19..5412010 100644
--- a/board/renesas/rsk7203/Makefile
+++ b/board/renesas/rsk7203/Makefile
@@ -26,6 +26,10 @@ LIB	= lib$(BOARD).a
 OBJS	:= rsk7203.o
 SOBJS	:= lowlevel_init.o
 
+LIB	:= $(addprefix $(obj),$(LIB))
+OBJS	:= $(addprefix $(obj),$(OBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS)
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
 
diff --git a/board/renesas/rsk7203/lowlevel_init.S b/board/renesas/rsk7203/lowlevel_init.S
index e4d6f9e..7b9ecd8 100644
--- a/board/renesas/rsk7203/lowlevel_init.S
+++ b/board/renesas/rsk7203/lowlevel_init.S
@@ -21,6 +21,7 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 	.global	lowlevel_init
 
@@ -29,153 +30,89 @@
 
 lowlevel_init:
 	/* Cache setting */
-	mov.l CCR1_A ,r1
-	mov.l CCR1_D ,r0
-	mov.l r0,@r1
+	write32	CCR1_A ,CCR1_D
 
 	/* ConfigurePortPins */
-	mov.l PECRL3_A, r1
-	mov.l PECRL3_D, r0
-	mov.w r0,@r1
+	write16	PECRL3_A, PECRL3_D
 
-	mov.l PCCRL4_A, r1
-	mov.l PCCRL4_D0, r0
-	mov.w r0,@r1
+	write16	PCCRL4_A, PCCRL4_D0
 
-	mov.l PECRL4_A, r1
-	mov.l PECRL4_D0, r0
-	mov.w r0,@r1
+	write16	PECRL4_A, PECRL4_D0
 
-	mov.l PEIORL_A, r1
-	mov.l PEIORL_D0, r0
-	mov.w r0,@r1
+	write16	PEIORL_A, PEIORL_D0
 
-	mov.l PCIORL_A, r1
-	mov.l PCIORL_D, r0
-	mov.w r0,@r1
+	write16	PCIORL_A, PCIORL_D
 
-	mov.l PFCRH2_A, r1
-	mov.l PFCRH2_D, r0
-	mov.w r0,@r1
+	write16	PFCRH2_A, PFCRH2_D
 
-	mov.l PFCRH3_A, r1
-	mov.l PFCRH3_D, r0
-	mov.w r0,@r1
+	write16	PFCRH3_A, PFCRH3_D
 
-	mov.l PFCRH1_A, r1
-	mov.l PFCRH1_D, r0
-	mov.w r0,@r1
+	write16	PFCRH1_A, PFCRH1_D
 
-	mov.l PFIORH_A, r1
-	mov.l PFIORH_D, r0
-	mov.w r0,@r1
+	write16	PFIORH_A, PFIORH_D
 
-	mov.l PECRL1_A, r1
-	mov.l PECRL1_D0, r0
-	mov.w r0,@r1
+	write16	PECRL1_A, PECRL1_D0
 
-	mov.l PEIORL_A, r1
-	mov.l PEIORL_D1, r0
-	mov.w r0,@r1
+	write16	PEIORL_A, PEIORL_D1
 
 	/* Configure Operating Frequency */
-	mov.l WTCSR_A ,r1
-	mov.l WTCSR_D0 ,r0
-	mov.w r0,@r1
+	write16	WTCSR_A, WTCSR_D0
 
-	mov.l WTCSR_A ,r1
-	mov.l WTCSR_D1 ,r0
-	mov.w r0,@r1
+	write16	WTCSR_A, WTCSR_D1
 
-	mov.l WTCNT_A ,r1
-	mov.l WTCNT_D ,r0
-	mov.w r0,@r1
+	write16	WTCNT_A, WTCNT_D
 
 	/* Set clock mode*/
-	mov.l FRQCR_A,r1
-	mov.l FRQCR_D,r0
-	mov.w r0,@r1
+	write16	FRQCR_A, FRQCR_D
 
 	/* Configure Bus And Memory */
 init_bsc_cs0:
-	mov.l   PCCRL4_A,r1
-	mov.l   PCCRL4_D1,r0
-	mov.w   r0,@r1
+	write16	PCCRL4_A, PCCRL4_D1
 
-	mov.l   PECRL1_A,r1
-	mov.l   PECRL1_D1,r0
-	mov.w   r0,@r1
+	write16	PECRL1_A, PECRL1_D1
 
-	mov.l CMNCR_A,r1
-	mov.l CMNCR_D,r0
-	mov.l r0,@r1
+	write32	CMNCR_A, CMNCR_D
 
-	mov.l SC0BCR_A,r1
-	mov.l SC0BCR_D,r0
-	mov.l r0,@r1
+	write32	SC0BCR_A, SC0BCR_D
 
-	mov.l CS0WCR_A,r1
-	mov.l CS0WCR_D,r0
-	mov.l r0,@r1
+	write32	CS0WCR_A, CS0WCR_D
 
 init_bsc_cs1:
-	mov.l   PECRL4_A,r1
-	mov.l   PECRL4_D1,r0
-	mov.w   r0,@r1
+	write16	PECRL4_A, PECRL4_D1
 
-	mov.l CS1WCR_A,r1
-	mov.l CS1WCR_D,r0
-	mov.l r0,@r1
+	write32	CS1WCR_A, CS1WCR_D
 
 init_sdram:
-	mov.l	PCCRL2_A,r1
-	mov.l	PCCRL2_D,r0
-	mov.w	r0,@r1
+	write16	PCCRL2_A, PCCRL2_D
 
-	mov.l	PCCRL4_A,r1
-	mov.l	PCCRL4_D2,r0
-	mov.w   r0,@r1
+	write16	PCCRL4_A, PCCRL4_D2
 
-	mov.l   PCCRL1_A,r1
-	mov.l	PCCRL1_D,r0
-	mov.w   r0,@r1
+	write16	PCCRL1_A, PCCRL1_D
 
-	mov.l   PCCRL3_A,r1
-	mov.l	PCCRL3_D,r0
-	mov.w   r0,@r1
+	write16	PCCRL3_A, PCCRL3_D
 
-	mov.l CS3BCR_A,r1
-	mov.l CS3BCR_D,r0
-	mov.l r0,@r1
+	write32	CS3BCR_A, CS3BCR_D
 
-	mov.l CS3WCR_A,r1
-	mov.l CS3WCR_D,r0
-	mov.l r0,@r1
+	write32	CS3WCR_A, CS3WCR_D
 
-	mov.l SDCR_A,r1
-	mov.l SDCR_D,r0
-	mov.l r0,@r1
+	write32	SDCR_A, SDCR_D
 
-	mov.l RTCOR_A,r1
-	mov.l RTCOR_D,r0
-	mov.l r0,@r1
+	write32	RTCOR_A, RTCOR_D
 
-	mov.l RTCSR_A,r1
-	mov.l RTCSR_D,r0
-	mov.l r0,@r1
+	write32	RTCSR_A, RTCSR_D
 
 	/* wait 200us */
-	mov.l   REPEAT_D,r3
-	mov     #0,r2
+	mov.l	REPEAT_D, r3
+	mov	#0, r2
 repeat0:
-	add     #1,r2
-	cmp/hs  r3,r2
-	bf      repeat0
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat0
 	nop
 
-	mov.l SDRAM_MODE, r1
-	mov   #0,r0
-	mov.l r0, @r1
+	mov.l	SDRAM_MODE, r1
+	mov	#0, r0
+	mov.l	r0, @r1
 
 	nop
 	rts
@@ -208,8 +145,8 @@ PECRL1_D0:	.long 0x00000033
 
 
 WTCSR_A:	.long 0xFFFE0000
-WTCSR_D0: 	.long 0x0000A518
-WTCSR_D1: 	.long 0x0000A51D
+WTCSR_D0:	.long 0x0000A518
+WTCSR_D1:	.long 0x0000A51D
 WTCNT_A:	.long 0xFFFE0002
 WTCNT_D:	.long 0x00005A84
 FRQCR_A:	.long 0xFFFE0010
@@ -259,7 +196,7 @@ STBCR4_A:	.long 0xFFFE040C
 STBCR4_D:	.long 0x00000008
 STBCR5_A:	.long 0xFFFE0410
 STBCR5_D:	.long 0x00000000
-STBCR6_A: 	.long 0xFFFE0414
+STBCR6_A:	.long 0xFFFE0414
 STBCR6_D:	.long 0x00000002
 SDRAM_MODE:	.long 0xFFFC5040
 REPEAT_D:	.long 0x00009C40
diff --git a/board/renesas/sh7763rdp/lowlevel_init.S b/board/renesas/sh7763rdp/lowlevel_init.S
index 2a44eee..3747bf6 100644
--- a/board/renesas/sh7763rdp/lowlevel_init.S
+++ b/board/renesas/sh7763rdp/lowlevel_init.S
@@ -25,6 +25,7 @@
 #include <version.h>
 
 #include <asm/processor.h>
+#include <asm/macro.h>
 
 	.global	lowlevel_init
 
@@ -33,218 +34,141 @@
 
 lowlevel_init:
 
-	mov.l   WDTCSR_A, r1	/* Watchdog Control / Status Register */
-	mov.l   WDTCSR_D, r0
-	mov.l   r0, @r1
+	write32	WDTCSR_A, WDTCSR_D	/* Watchdog Control / Status Register */
 
-	mov.l   WDTST_A, r1		/* Watchdog Stop Time Register */
-	mov.l   WDTST_D, r0
-	mov.l   r0, @r1
+	write32	WDTST_A, WDTST_D	/* Watchdog Stop Time Register */
 
-	mov.l   WDTBST_A, r1	/* 0xFFCC0008 (Watchdog Base Stop Time Register */
-	mov.l   WDTBST_D, r0
-	mov.l   r0, @r1
+	write32	WDTBST_A, WDTBST_D	/*
+					 * 0xFFCC0008
+					 * Watchdog Base Stop Time Register
+					 */
 
-	mov.l	CCR_A, r1		/* Address of Cache Control Register */
-	mov.l	CCR_CACHE_ICI_D, r0	/* Instruction Cache Invalidate */
-	mov.l	r0, @r1
+	write32	CCR_A, CCR_CACHE_ICI_D	/* Address of Cache Control Register */
+					/* Instruction Cache Invalidate */
 
-	mov.l	MMUCR_A, r1		/* Address of MMU Control Register */
-	mov.l	MMU_CONTROL_TI_D, r0	/* TI == TLB Invalidate bit */
-	mov.l	r0, @r1
+	write32	MMUCR_A, MMU_CONTROL_TI_D	/* MMU Control Register */
+						/* TI == TLB Invalidate bit */
 
-	mov.l	MSTPCR0_A, r1	/* Address of Power Control Register 0 */
-	mov.l	MSTPCR0_D, r0
-	mov.l	r0, @r1
+	write32	MSTPCR0_A, MSTPCR0_D	/* Address of Power Control Register 0 */
 
-	mov.l	MSTPCR1_A, r1	/*i Address of Power Control Register 1 */
-	mov.l	MSTPCR1_D, r0
-	mov.l	r0, @r1
+	write32	MSTPCR1_A, MSTPCR1_D	/* Address of Power Control Register 1 */
 
-	mov.l	RAMCR_A,r1
-	mov.l	RAMCR_D,r0
-	mov.l	r0, @r1
+	write32	RAMCR_A, RAMCR_D
 
-	mov.l	MMSELR_A,r1
-	mov.l	MMSELR_D,r0
+	mov.l	MMSELR_A, r1
+	mov.l	MMSELR_D, r0
 	synco
 	mov.l	r0, @r1
 
-	mov.l	@r1,r2		/* execute two reads after setting MMSELR*/
-	mov.l	@r1,r2
+	mov.l	@r1, r2		/* execute two reads after setting MMSELR */
+	mov.l	@r1, r2
 	synco
 
 	/* issue memory read */
-	mov.l   DDRSD_START_A,r1	/* memory address to read*/
-	mov.l   @r1,r0
+	mov.l	DDRSD_START_A, r1	/* memory address to read*/
+	mov.l	@r1, r0
 	synco
 
-	mov.l	MIM8_A,r1
-	mov.l	MIM8_D,r0
-	mov.l	r0,@r1
+	write32	MIM8_A, MIM8_D
 
-	mov.l	MIMC_A,r1
-	mov.l	MIMC_D1,r0
-	mov.l	r0,@r1
+	write32	MIMC_A, MIMC_D1
 
-	mov.l	STRC_A,r1
-	mov.l	STRC_D,r0
-	mov.l	r0,@r1
+	write32	STRC_A, STRC_D
 
-	mov.l	SDR4_A,r1
-	mov.l	SDR4_D,r0
-	mov.l	r0,@r1
+	write32	SDR4_A, SDR4_D
 
-	mov.l	MIMC_A,r1
-	mov.l	MIMC_D2,r0
-	mov.l	r0,@r1
+	write32	MIMC_A, MIMC_D2
 
 	nop
 	nop
 	nop
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D3,r0
-	mov.l	r0,@r1
+	write32	SCR4_A, SCR4_D3
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D2,r0
-	mov.l	r0,@r1
+	write32	SCR4_A, SCR4_D2
 
-	mov.l	SDMR02000_A,r1
-	mov.l	SDMR02000_D,r0
-	mov.l	r0,@r1
+	write32	SDMR02000_A, SDMR02000_D
 
-	mov.l	SDMR00B08_A,r1
-	mov.l	SDMR00B08_D,r0
-	mov.l	r0,@r1
+	write32	SDMR00B08_A, SDMR00B08_D
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D2,r0
-	mov.l	r0,@r1
+	write32	SCR4_A, SCR4_D2
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D4,r0
-	mov.l	r0,@r1
+	write32	SCR4_A, SCR4_D4
 
 	nop
 	nop
 	nop
 	nop
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D4,r0
-	mov.l	r0,@r1
+	write32	SCR4_A, SCR4_D4
 
 	nop
 	nop
 	nop
 	nop
 
-	mov.l	SDMR00308_A,r1
-	mov.l	SDMR00308_D,r0
-	mov.l	r0,@r1
+	write32	SDMR00308_A, SDMR00308_D
 
-	mov.l	MIMC_A,r1
-	mov.l	MIMC_D3,r0
-	mov.l	r0,@r1
+	write32	MIMC_A, MIMC_D3
 
-	mov.l	SCR4_A,r1
-	mov.l	SCR4_D1,r0
-	mov.l	DELAY60_D,r3
+	mov.l	SCR4_A, r1
+	mov.l	SCR4_D1, r0
+	mov.l	DELAY60_D, r3
 
 delay_loop_60:
-	mov.l	r0,@r1
+	mov.l	r0, @r1
 	dt	r3
 	bf	delay_loop_60
 	nop
 
-	mov.l   CCR_A, r1	/* Address of Cache Control Register */
-	mov.l   CCR_CACHE_D_2, r0
-	mov.l   r0, @r1
+	write32	CCR_A, CCR_CACHE_D_2	/* Address of Cache Control Register */
 
 bsc_init:
-	mov.l	BCR_A, r1
-	mov.l	BCR_D, r0
-	mov.l	r0, @r1
+	write32	BCR_A, BCR_D
 
-	mov.l	CS0BCR_A, r1
-	mov.l	CS0BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS0BCR_A, CS0BCR_D
 
-	mov.l	CS1BCR_A,r1
-	mov.l	CS1BCR_D,r0
-	mov.l	r0,@r1
+	write32	CS1BCR_A, CS1BCR_D
 
-	mov.l	CS2BCR_A, r1
-	mov.l	CS2BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS2BCR_A, CS2BCR_D
 
-	mov.l	CS4BCR_A, r1
-	mov.l	CS4BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS4BCR_A, CS4BCR_D
 
-	mov.l	CS5BCR_A, r1
-	mov.l	CS5BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS5BCR_A, CS5BCR_D
 
-	mov.l	CS6BCR_A, r1
-	mov.l	CS6BCR_D, r0
-	mov.l	r0, @r1
+	write32	CS6BCR_A, CS6BCR_D
 
-	mov.l	CS0WCR_A, r1
-	mov.l	CS0WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS0WCR_A, CS0WCR_D
 
-	mov.l	CS1WCR_A, r1
-	mov.l	CS1WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS1WCR_A, CS1WCR_D
 
-	mov.l	CS2WCR_A, r1
-	mov.l	CS2WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS2WCR_A, CS2WCR_D
 
-	mov.l	CS4WCR_A, r1
-	mov.l	CS4WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS4WCR_A, CS4WCR_D
 
-	mov.l	CS5WCR_A, r1
-	mov.l	CS5WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS5WCR_A, CS5WCR_D
 
-	mov.l	CS6WCR_A, r1
-	mov.l	CS6WCR_D, r0
-	mov.l	r0, @r1
+	write32	CS6WCR_A, CS6WCR_D
 
-	mov.l	CS5PCR_A, r1
-	mov.l	CS5PCR_D, r0
-	mov.l	r0, @r1
+	write32	CS5PCR_A, CS5PCR_D
 
-	mov.l	CS6PCR_A, r1
-	mov.l	CS6PCR_D, r0
-	mov.l	r0, @r1
+	write32	CS6PCR_A, CS6PCR_D
 
-	mov.l	DELAY200_D,r3
+	mov.l	DELAY200_D, r3
 
 delay_loop_200:
 	dt	r3
 	bf	delay_loop_200
 	nop
 
-	mov.l	PSEL0_A,r1
-	mov.l	PSEL0_D,r0
-	mov.w	r0,@r1
+	write16	PSEL0_A, PSEL0_D
 
-	mov.l	PSEL1_A,r1
-	mov.l	PSEL1_D,r0
-	mov.w	r0,@r1
+	write16	PSEL1_A, PSEL1_D
 
-	mov.l	ICR0_A,r1
-	mov.l	ICR0_D,r0
-	mov.l	r0,@r1
+	write32	ICR0_A, ICR0_D
 
 	stc sr, r0	/* BL bit off(init=ON) */
-	mov.l   SR_MASK_D, r1
+	mov.l	SR_MASK_D, r1
 	and r1, r0
 	ldc r0, sr
 
@@ -321,7 +245,7 @@ CS4BCR_D:	.long	0x77777670
 CS5BCR_D:	.long	0x77777670
 CS6BCR_D:	.long	0x77777670
 CS0WCR_D:	.long	0x7777770F
-CS1WCR_D:	.long   0x22000002
+CS1WCR_D:	.long	0x22000002
 CS2WCR_D:	.long	0x7777770F
 CS4WCR_D:	.long	0x7777770F
 CS5WCR_D:	.long	0x7777770F
diff --git a/board/renesas/sh7785lcr/lowlevel_init.S b/board/renesas/sh7785lcr/lowlevel_init.S
index 50e1789..f5ebeb9 100644
--- a/board/renesas/sh7785lcr/lowlevel_init.S
+++ b/board/renesas/sh7785lcr/lowlevel_init.S
@@ -19,33 +19,7 @@
 #include <config.h>
 #include <version.h>
 #include <asm/processor.h>
-
-.macro	write32, addr, data
-	mov.l \addr ,r1
-	mov.l \data ,r0
-	mov.l r0, @r1
-.endm
-
-.macro	write16, addr, data
-	mov.l \addr ,r1
-	mov.l \data ,r0
-	mov.w r0, @r1
-.endm
-
-.macro	write8, addr, data
-	mov.l \addr ,r1
-	mov.l \data ,r0
-	mov.b r0, @r1
-.endm
-
-.macro	wait_timer, time
-	mov.l	\time ,r3
-1:
-	nop
-	tst	r3, r3
-	bf/s	1b
-	dt	r3
-.endm
+#include <asm/macro.h>
 
 #include <asm/processor.h>
 
@@ -305,7 +279,7 @@ CS4WCR_D:	.long	0x00101012
 CS_USB_BCR_D:	.long	0x11111200
 CS_USB_WCR_D:	.long	0x00020004
 
-/* SD setting  : 32bit mode = CS3, 29bit mode = CS6 */
+/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
 CS_SD_BCR_D:	.long	0x00000300
 CS_SD_WCR_D:	.long	0x00030108
 
diff --git a/cpu/sh2/Makefile b/cpu/sh2/Makefile
index e33ba0f..346d328 100644
--- a/cpu/sh2/Makefile
+++ b/cpu/sh2/Makefile
@@ -28,18 +28,23 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(CPU).a
 
-START	= start.o
-OBJS	= cpu.o interrupts.o watchdog.o
+SOBJS	= start.o
+COBJS	= cpu.o interrupts.o watchdog.o
 
-all:	.depend $(START) $(LIB)
+SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS    := $(addprefix $(obj),$(COBJS))
+SOBJS   := $(addprefix $(obj),$(SOBJS))
 
-$(LIB):	$(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
 
-#########################################################################
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
 
-.depend:	Makefile $(START:.o=.S) $(OBJS:.o=.c)
-		$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+#########################################################################
 
 # defines $(obj).depend target
 include $(SRCTREE)/rules.mk
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index 1d76a19..bfdb2ce 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -18,6 +18,7 @@
  */
 
 #include <common.h>
+#include <asm/io.h>
 #include <asm/processor.h>
 
 #if defined(CONFIG_CONS_SCIF0)
@@ -49,7 +50,7 @@
 # define SCFRDR	(vu_char  *)(SCIF_BASE + 0x24)
 #else
 # define SCFTDR (vu_char  *)(SCIF_BASE + 0xC)
-# define SCFSR 	(vu_short *)(SCIF_BASE + 0x10)
+# define SCFSR	(vu_short *)(SCIF_BASE + 0x10)
 # define SCFRDR (vu_char  *)(SCIF_BASE + 0x14)
 #endif
 
@@ -64,7 +65,7 @@
 #elif defined(CONFIG_CPU_SH7763)
 # if defined(CONFIG_CONS_SCIF2)
 # define SCSPTR	(vu_short *)(SCIF_BASE + 0x20)
-# define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+# define SCLSR	(vu_short *)(SCIF_BASE + 0x24)
 # define LSR_ORER	1
 # define FIFOLEVEL_MASK	0x1F
 # else
@@ -90,7 +91,7 @@
 	defined(CONFIG_CPU_SH7722) || \
 	defined(CONFIG_CPU_SH7203)
 # define SCSPTR	(vu_short *)(SCIF_BASE + 0x20)
-# define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+# define SCLSR	(vu_short *)(SCIF_BASE + 0x24)
 # define LSR_ORER	1
 # define FIFOLEVEL_MASK	0x1F
 #elif defined(CONFIG_CPU_SH7720)
@@ -106,42 +107,43 @@
 
 /* SCBRR register value setting */
 #if defined(CONFIG_CPU_SH7720)
-# define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) (((clk * 2) + 16 * bps) / (32 * bps) - 1)
 #elif defined(CONFIG_CPU_SH7723) && defined(CONFIG_SCIF_A)
 /* SH7723 SCIFA use bus clock. So clock *2 */
-# define SCBRR_VALUE(bps, clk) (((clk*2*2)+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) (((clk * 2 * 2) + 16 * bps) / (32 * bps) - 1)
 #else /* Generic SuperH */
-# define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) ((clk + 16 * bps) / (32 * bps) - 1)
 #endif
 
-#define SCR_RE 		(1 << 4)
-#define SCR_TE 		(1 << 5)
+#define SCR_RE		(1 << 4)
+#define SCR_TE		(1 << 5)
 #define FCR_RFRST	(1 << 1)	/* RFCL */
 #define FCR_TFRST	(1 << 2)	/* TFCL */
-#define FSR_DR   	(1 << 0)
-#define FSR_RDF  	(1 << 1)
-#define FSR_FER  	(1 << 3)
-#define FSR_BRK  	(1 << 4)
-#define FSR_FER  	(1 << 3)
-#define FSR_TEND 	(1 << 6)
-#define FSR_ER   	(1 << 7)
+#define FSR_DR		(1 << 0)
+#define FSR_RDF		(1 << 1)
+#define FSR_FER		(1 << 3)
+#define FSR_BRK		(1 << 4)
+#define FSR_FER		(1 << 3)
+#define FSR_TEND	(1 << 6)
+#define FSR_ER		(1 << 7)
 
 /*----------------------------------------------------------------------*/
 
 void serial_setbrg(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	*SCBRR = SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ);
+
+	writeb(SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ), SCBRR);
 }
 
 int serial_init(void)
 {
-	*SCSCR = (SCR_RE | SCR_TE);
-	*SCSMR = 0;
-	*SCSMR = 0;
-	*SCFCR = (FCR_RFRST | FCR_TFRST);
-	*SCFCR;
-	*SCFCR = 0;
+	writew((SCR_RE | SCR_TE), SCSCR);
+	writew(0, SCSMR);
+	writew(0, SCSMR);
+	writew((FCR_RFRST | FCR_TFRST), SCFCR);
+	readw(SCFCR);
+	writew(0, SCFCR);
 
 	serial_setbrg();
 	return 0;
@@ -150,9 +152,9 @@ int serial_init(void)
 static int serial_rx_fifo_level(void)
 {
 #if defined(SCRFDR)
-	return (*SCRFDR >> 0) & FIFOLEVEL_MASK;
+	return (readw(SCRFDR) >> 0) & FIFOLEVEL_MASK;
 #else
-	return (*SCFDR >> 0) & FIFOLEVEL_MASK;
+	return (readw(SCFDR) >> 0) & FIFOLEVEL_MASK;
 #endif
 }
 
@@ -161,15 +163,15 @@ void serial_raw_putc(const char c)
 	unsigned int fsr_bits_to_clear;
 
 	while (1) {
-		if (*SCFSR & FSR_TEND) {	/* Tx fifo is empty */
+		if (readw(SCFSR) & FSR_TEND) { /* Tx fifo is empty */
 			fsr_bits_to_clear = FSR_TEND;
 			break;
 		}
 	}
 
-	*SCFTDR = c;
+	writeb(c, SCFTDR);
 	if (fsr_bits_to_clear != 0)
-		*SCFSR &= ~fsr_bits_to_clear;
+		writew(readw(SCFSR) & ~fsr_bits_to_clear, SCFSR);
 }
 
 void serial_putc(const char c)
@@ -191,26 +193,25 @@ int serial_tstc(void)
 	return serial_rx_fifo_level() ? 1 : 0;
 }
 
-#define FSR_ERR_CLEAR   0x0063
-#define RDRF_CLEAR      0x00fc
+#define FSR_ERR_CLEAR	0x0063
+#define RDRF_CLEAR		0x00fc
 void handle_error(void)
 {
-
-	(void)*SCFSR;
-	*SCFSR = FSR_ERR_CLEAR;
-	(void)*SCLSR;
-	*SCLSR = 0x00;
+	readw(SCFSR);
+	writew(FSR_ERR_CLEAR, SCFSR);
+	readw(SCLSR);
+	writew(0x00, SCLSR);
 }
 
 int serial_getc_check(void)
 {
 	unsigned short status;
 
-	status = *SCFSR;
+	status = readw(SCFSR);
 
 	if (status & (FSR_FER | FSR_ER | FSR_BRK))
 		handle_error();
-	if (*SCLSR & LSR_ORER)
+	if (readw(SCLSR) & LSR_ORER)
 		handle_error();
 	return status & (FSR_DR | FSR_RDF);
 }
@@ -223,15 +224,15 @@ int serial_getc(void)
 	while (!serial_getc_check())
 		;
 
-	ch = *SCFRDR;
-	status = *SCFSR;
+	ch = readb(SCFRDR);
+	status = readw(SCFSR);
 
-	*SCFSR = RDRF_CLEAR;
+	writew(RDRF_CLEAR, SCFSR);
 
 	if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
 		handle_error();
 
-	if (*SCLSR & LSR_ORER)
+	if (readw(SCLSR) & LSR_ORER)
 		handle_error();
 
 	return ch;
diff --git a/include/asm-sh/macro.h b/include/asm-sh/macro.h
new file mode 100644
index 0000000..61f792a
--- /dev/null
+++ b/include/asm-sh/macro.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __MACRO_H__
+#define __MACRO_H__
+#ifdef __ASSEMBLY__
+
+.macro	write32, addr, data
+	mov.l \addr ,r1
+	mov.l \data ,r0
+	mov.l r0, @r1
+.endm
+
+.macro	write16, addr, data
+	mov.l \addr ,r1
+	mov.l \data ,r0
+	mov.w r0, @r1
+.endm
+
+.macro	write8, addr, data
+	mov.l \addr ,r1
+	mov.l \data ,r0
+	mov.b r0, @r1
+.endm
+
+.macro	wait_timer, time
+	mov.l	\time ,r3
+1:
+	nop
+	tst	r3, r3
+	bf/s	1b
+	dt	r3
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* __MACRO_H__ */
diff --git a/lib_sh/time.c b/lib_sh/time.c
index 2bd7715..8fccce3 100644
--- a/lib_sh/time.c
+++ b/lib_sh/time.c
@@ -49,21 +49,21 @@ int timer_init (void)
 {
 	/* Divide clock by TMU_CLK_DIVIDER */
 	u16 bit = 0;
-	switch( TMU_CLK_DIVIDER ){
-	case 4:
-		bit = 0;
-		break;
-	case 16:
-		bit = 1;
-		break;
-	case 64: bit = 2;
+
+	switch (TMU_CLK_DIVIDER) {
+	case 1024:
+		bit = 4;
 		break;
 	case 256:
 		bit = 3;
 		break;
-	case 1024:
-		bit = 4;
+	case 64:
+		bit = 2;
 		break;
+	case 16:
+		bit = 1;
+		break;
+	case 4:
 	default:
 		bit = 0;
 		break;
@@ -71,7 +71,7 @@ int timer_init (void)
 	writew(readw(TCR0) | bit, TCR0);
 
 	/* Clock adjustment calc */
-	clk_adj = (int)(1.0/((1.0/CONFIG_SYS_HZ)*1000000));
+	clk_adj = (int)(1.0 / ((1.0 / CONFIG_SYS_HZ) * 1000000));
 	if (clk_adj < 1)
 		clk_adj = 1;
 
@@ -102,8 +102,8 @@ void udelay (unsigned long usec)
 
 unsigned long get_timer (unsigned long base)
 {
-	/*  return msec */
-	return ((get_usec()/clk_adj)/1000) - base;
+	/* return msec */
+	return ((get_usec() / clk_adj) / 1000) - base;
 }
 
 void set_timer (unsigned long t)
diff --git a/lib_sh/time_sh2.c b/lib_sh/time_sh2.c
index 4f893c8..5c6c9d4 100644
--- a/lib_sh/time_sh2.c
+++ b/lib_sh/time_sh2.c
@@ -28,7 +28,7 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 
-#define CMT_CMCSR_INIT  0x0001	/* PCLK/32 */
+#define CMT_CMCSR_INIT	0x0001	/* PCLK/32 */
 #define CMT_CMCSR_CALIB 0x0000
 #define CMT_MAX_COUNTER (0xFFFFFFFF)
 #define CMT_TIMER_RESET (0xFFFF)
@@ -87,7 +87,7 @@ static unsigned long get_usec (void)
 /* return msec */
 ulong get_timer(ulong base)
 {
-	return (get_usec()/1000) - base;
+	return (get_usec() / 1000) - base;
 }
 
 void set_timer(ulong t)