Cleanup
diff --git a/board/integratorap/platform.S b/board/integratorap/platform.S
index fefee72..2d9b436 100644
--- a/board/integratorap/platform.S
+++ b/board/integratorap/platform.S
@@ -36,7 +36,7 @@
reset_failed:
b reset_failed
-
+
/* set up the platform, once the cpu has been initialized */
.globl platformsetup
platformsetup:
@@ -48,45 +48,45 @@
* itself should be performed in cpu/arm<>/start.S
* This function affects only the core module or board settings
*/
-
+
#ifdef CONFIG_CM_INIT
/* CM has an initialization register
* - bits in it are wired into test-chip pins to force
* reset defaults
* - may need to change its contents for U-Boot
*/
-
+
/* set the desired CM specific value */
mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */
-
+
#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
orr r2,r2,#CMMASK_INIT_102
#else
-
+
#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
!defined (CONFIG_CM940T)
-
+
#ifdef CONFIG_CM_MULTIPLE_SSRAM
/* set simple mapping */
and r2,r2,#CMMASK_MAP_SIMPLE
#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
-
+
#ifdef CONFIG_CM_TCRAM
/* disable TCRAM */
and r2,r2,#CMMASK_TCRAM_DISABLE
#endif /* #ifdef CONFIG_CM_TCRAM */
-
+
#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
defined (CONFIG_CM1136JF_S)
and r2,r2,#CMMASK_LE
-
+
#endif /* cpu with little endian initialization */
-
+
orr r2,r2,#CMMASK_CMxx6_COMMON
-
+
#endif /* CMxx6 code */
-
+
#endif /* ARM102xxE value */
/* read CM_INIT */
@@ -96,7 +96,7 @@
and r3,r1,r2
cmp r3,r2
beq init_reg_OK
-
+
/* lock for change */
mov r3, #CMVAL_LOCK
and r3,r3,#CMMASK_LOCK
@@ -107,16 +107,16 @@
str r1, [r0, #OS_INIT]
mov r1, #CMVAL_UNLOCK
str r1, [r0, #OS_LOCK]
-
+
/* soft reset so new values used */
b reset_cpu
-
+
init_reg_OK:
-
+
#endif /* CONFIG_CM_INIT */
-
+
mov pc, lr
-
+
#ifdef CONFIG_CM_SPD_DETECT
/* Fast memory is available for the DRAM data
* - ensure it has been transferred, then summarize the data
@@ -128,13 +128,13 @@
/* set up SDRAM info */
/* - based on example code from the CM User Guide */
mov r0, #CM_BASE
-
+
readspdbit:
ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
and r1, r1, #0x20 /* mask SPD bit (5) */
cmp r1, #0x20 /* test if set */
bne readspdbit
-
+
setupsdram:
add r0, r0, #OS_SPD /* address the copy of the SDP data */
ldrb r1, [r0, #3] /* number of row address lines */
@@ -148,40 +148,40 @@
bne not16
mov r6, #0x2 /* store size and CAS latency of 2 */
b writesize
-
+
not16:
cmp r5, #0x20 /* is it 32MB? */
bne not32
mov r6, #0x6
b writesize
-
+
not32:
cmp r5, #0x40 /* is it 64MB? */
bne not64
mov r6, #0xa
b writesize
-
+
not64:
cmp r5, #0x80 /* is it 128MB? */
bne not128
mov r6, #0xe
b writesize
-
+
not128:
/* if it is none of these sizes then it is either 256MB, or
* there is no SDRAM fitted so default to 256MB
*/
mov r6, #0x12
-
+
writesize:
mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
orr r2, r1, r2, ASL#12 /* OR in column address lines */
orr r3, r2, r3, ASL#16 /* OR in number of banks */
orr r6, r6, r3 /* OR in size and CAS latency */
str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
-
+
#endif /* #ifdef CONFIG_CM_SPD_DETECT */
-
+
ldmfd r13!,{r4-r6,pc} /* back to caller */
#ifdef CONFIG_CM_REMAP
@@ -191,23 +191,23 @@
.globl cm_remap
cm_remap:
stmfd r13!,{r4-r10,lr}
-
+
mov r0, #CM_BASE
ldr r1, [r0, #OS_CTRL]
orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
str r1, [r0, #OS_CTRL]
-
+
/* Now 0x00000000 is writeable, replace the vectors */
ldr r0, =_start /* r0 <- start of vectors */
ldr r2, =_armboot_start /* r2 <- past vectors */
sub r1,r1,r1 /* destination 0x00000000 */
-
+
copy_vec:
ldmia r0!, {r3-r10} /* copy from source address [r0] */
stmia r1!, {r3-r10} /* copy to target address [r1] */
cmp r0, r2 /* until source end address [r2] */
ble copy_vec
-
+
ldmfd r13!,{r4-r10,pc} /* back to caller */
-
+
#endif /* #ifdef CONFIG_CM_REMAP */