diff options
Diffstat (limited to 'board/renesas/r2dplus/lowlevel_init.S')
| -rw-r--r-- | board/renesas/r2dplus/lowlevel_init.S | 99 |
1 files changed, 30 insertions, 69 deletions
diff --git a/board/renesas/r2dplus/lowlevel_init.S b/board/renesas/r2dplus/lowlevel_init.S index 28d2b3769..76d3cfc40 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' */ |