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-rw-r--r--board/ms7722se/lowlevel_init.S195
1 files changed, 63 insertions, 132 deletions
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