| /* |
| * modified from SH-IPL+g (init-r0p751rlc0011rl.S) |
| * Initial Register Data for R0P751RLC0011RL (SH7751R 240MHz/120MHz/60MHz) |
| * Coyright (c) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| */ |
| |
| #include <config.h> |
| #include <version.h> |
| |
| #include <asm/processor.h> |
| #include <asm/macro.h> |
| |
| .global lowlevel_init |
| .text |
| .align 2 |
| |
| lowlevel_init: |
| |
| write32 CCR_A, CCR_D_D |
| |
| write32 MMUCR_A, MMUCR_D |
| |
| write32 BCR1_A, BCR1_D |
| |
| write16 BCR2_A, BCR2_D |
| |
| write16 BCR3_A, BCR3_D |
| |
| write32 BCR4_A, BCR4_D |
| |
| write32 WCR1_A, WCR1_D |
| |
| write32 WCR2_A, WCR2_D |
| |
| write32 WCR3_A, WCR3_D |
| |
| write16 PCR_A, PCR_D |
| |
| write16 LED_A, LED_D |
| |
| write32 MCR_A, MCR_D1 |
| |
| write16 RTCNT_A, RTCNT_D |
| |
| write16 RTCOR_A, RTCOR_D |
| |
| write16 RFCR_A, RFCR_D |
| |
| write16 RTCSR_A, RTCSR_D |
| |
| write8 SDMR3_A, SDMR3_D0 |
| |
| /* Wait DRAM refresh 30 times */ |
| mov.l RFCR_A, r1 |
| mov #30, r3 |
| 1: |
| mov.w @r1, r0 |
| extu.w r0, r2 |
| cmp/hi r3, r2 |
| bf 1b |
| |
| write32 MCR_A, MCR_D2 |
| |
| write8 SDMR3_A, SDMR3_D1 |
| |
| write32 IRLMASK_A, IRLMASK_D |
| |
| write32 CCR_A, CCR_D_E |
| |
| rts |
| nop |
| |
| .align 2 |
| CCR_A: .long CCR /* Cache Control Register */ |
| CCR_D_D: .long 0x0808 /* Flush the cache, disable */ |
| CCR_D_E: .long 0x8000090B |
| |
| FRQCR_A: .long FRQCR /* FRQCR Address */ |
| FRQCR_D: .long 0x00000e0a /* 03/07/15 modify */ |
| BCR1_A: .long BCR1 /* BCR1 Address */ |
| BCR1_D: .long 0x00180008 |
| BCR2_A: .long BCR2 /* BCR2 Address */ |
| BCR2_D: .long 0xabe8 |
| BCR3_A: .long BCR3 /* BCR3 Address */ |
| BCR3_D: .long 0x0000 |
| BCR4_A: .long BCR4 /* BCR4 Address */ |
| BCR4_D: .long 0x00000010 |
| WCR1_A: .long WCR1 /* WCR1 Address */ |
| WCR1_D: .long 0x33343333 |
| WCR2_A: .long WCR2 /* WCR2 Address */ |
| 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: .word 0xA500 /* RTCNT Write Code A5h Data 00h */ |
| .align 2 |
| RTCOR_A: .long RTCOR /* RTCOR Address */ |
| RTCOR_D: .word 0xA534 /* RTCOR Write Code */ |
| .align 2 |
| RTCSR_A: .long RTCSR /* RTCSR Address */ |
| RTCSR_D: .word 0xA510 /* RTCSR Write Code */ |
| .align 2 |
| SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */ |
| 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' */ |
| RFCR_A: .long RFCR /* RFCR Address */ |
| RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ |
| PCR_A: .long PCR /* PCR Address */ |
| PCR_D: .long 0x0000 |
| MMUCR_A: .long MMUCR /* MMUCCR Address */ |
| MMUCR_D: .long 0x00000000 /* MMUCCR Data */ |
| IRLMASK_A: .long 0xA4000000 /* IRLMASK Address */ |
| IRLMASK_D: .long 0x00000000 /* IRLMASK Data */ |
