Some code cleanup.
diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c
index 84d5da3..9c8998b 100644
--- a/cpu/74xx_7xx/cpu.c
+++ b/cpu/74xx_7xx/cpu.c
@@ -308,9 +308,9 @@
 	u32 *p;
 	ulong clock;
 	int len;
-		
+
 	clock = bd->bi_busfreq;
-	
+
 	p = ft_get_prop (blob, "/cpus/" OF_CPU "/bus-frequency", &len);
 	if (p != NULL)
 		*p = cpu_to_be32 (clock);
diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c
index 35b2315..da50985 100644
--- a/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/cpu/ppc4xx/44x_spd_ddr2.c
@@ -168,8 +168,8 @@
 static void program_mode(unsigned long *dimm_populated,
 			 unsigned char *iic0_dimm_addr,
 			 unsigned long num_dimm_banks,
-                         ddr_cas_id_t *selected_cas,
-                         int *write_recovery);
+			 ddr_cas_id_t *selected_cas,
+			 int *write_recovery);
 static void program_tr(unsigned long *dimm_populated,
 		       unsigned char *iic0_dimm_addr,
 		       unsigned long num_dimm_banks);
@@ -185,7 +185,7 @@
 static void program_initplr(unsigned long *dimm_populated,
 			    unsigned char *iic0_dimm_addr,
 			    unsigned long num_dimm_banks,
-                            ddr_cas_id_t selected_cas,
+			    ddr_cas_id_t selected_cas,
 			    int write_recovery);
 static unsigned long is_ecc_enabled(void);
 static void program_ecc(unsigned long *dimm_populated,
@@ -1110,7 +1110,7 @@
 				modt3 = 0x00000000;
 			}
 		}
-  	} else {
+	} else {
 		codt |= SDRAM_CODT_DQS_2_5_V_DDR1;
 		modt0 = 0x00000000;
 		modt1 = 0x00000000;
@@ -1149,7 +1149,7 @@
 static void program_initplr(unsigned long *dimm_populated,
 			    unsigned char *iic0_dimm_addr,
 			    unsigned long num_dimm_banks,
-                            ddr_cas_id_t selected_cas,
+			    ddr_cas_id_t selected_cas,
 			    int write_recovery)
 {
 	u32 cas = 0;
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 24b30df..3fa52bd 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1858,11 +1858,11 @@
 #endif /* CONFIG_405EP */
 
 #if defined(CONFIG_440)
-#define function_prolog(func_name)      .text; \
+#define function_prolog(func_name)	.text; \
 					.align 2; \
 					.globl func_name; \
 					func_name:
-#define function_epilog(func_name)      .type func_name,@function; \
+#define function_epilog(func_name)	.type func_name,@function; \
 					.size func_name,.-func_name
 
 /*----------------------------------------------------------------------------+
@@ -1916,43 +1916,43 @@
 /*----------------------------------------------------------------------------+
 | dcbz_area.
 +----------------------------------------------------------------------------*/
-        function_prolog(dcbz_area)
-        rlwinm. r5,r4,0,27,31
-        rlwinm  r5,r4,27,5,31
-        beq     ..d_ra2
-        addi    r5,r5,0x0001
-..d_ra2:mtctr   r5
-..d_ag2:dcbz    r0,r3
-        addi    r3,r3,32
-        bdnz    ..d_ag2
-        sync
-        blr
-        function_epilog(dcbz_area)
+	function_prolog(dcbz_area)
+	rlwinm. r5,r4,0,27,31
+	rlwinm	r5,r4,27,5,31
+	beq	..d_ra2
+	addi	r5,r5,0x0001
+..d_ra2:mtctr	r5
+..d_ag2:dcbz	r0,r3
+	addi	r3,r3,32
+	bdnz	..d_ag2
+	sync
+	blr
+	function_epilog(dcbz_area)
 
 /*----------------------------------------------------------------------------+
 | dflush.  Assume 32K at vector address is cachable.
 +----------------------------------------------------------------------------*/
-        function_prolog(dflush)
-        mfmsr   r9
-        rlwinm  r8,r9,0,15,13
-        rlwinm  r8,r8,0,17,15
-        mtmsr   r8
-        addi    r3,r0,0x0000
-        mtspr   dvlim,r3
-        mfspr   r3,ivpr
-        addi    r4,r0,1024
-        mtctr   r4
+	function_prolog(dflush)
+	mfmsr	r9
+	rlwinm	r8,r9,0,15,13
+	rlwinm	r8,r8,0,17,15
+	mtmsr	r8
+	addi	r3,r0,0x0000
+	mtspr	dvlim,r3
+	mfspr	r3,ivpr
+	addi	r4,r0,1024
+	mtctr	r4
 ..dflush_loop:
-        lwz     r6,0x0(r3)
-        addi    r3,r3,32
-        bdnz    ..dflush_loop
-        addi    r3,r3,-32
-        mtctr   r4
-..ag:   dcbf    r0,r3
-        addi    r3,r3,-32
-        bdnz    ..ag
-        sync
-        mtmsr   r9
-        blr
-        function_epilog(dflush)
+	lwz	r6,0x0(r3)
+	addi	r3,r3,32
+	bdnz	..dflush_loop
+	addi	r3,r3,-32
+	mtctr	r4
+..ag:	dcbf	r0,r3
+	addi	r3,r3,-32
+	bdnz	..ag
+	sync
+	mtmsr	r9
+	blr
+	function_epilog(dflush)
 #endif /* CONFIG_440 */