| Nobuhiro Iwamatsu | 868b52b | 2008-03-25 17:11:24 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * modified from SH-IPL+g (init-r0p751rlc0011rl.S) |
| 3 | * Initial Register Data for R0P751RLC0011RL (SH7751R 240MHz/120MHz/60MHz) |
| 4 | * Coyright (c) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| 5 | */ |
| 6 | |
| 7 | #include <config.h> |
| 8 | #include <version.h> |
| 9 | |
| 10 | #include <asm/processor.h> |
| 11 | |
| 12 | .global lowlevel_init |
| 13 | .text |
| 14 | .align 2 |
| 15 | |
| 16 | lowlevel_init: |
| 17 | |
| 18 | mov.l CCR_A, r1 |
| 19 | mov.l CCR_D_D, r0 |
| 20 | mov.l r0,@r1 |
| 21 | |
| 22 | mov.l MMUCR_A,r1 |
| 23 | mov.l MMUCR_D,r0 |
| 24 | mov.w r0,@r1 |
| 25 | |
| 26 | mov.l BCR1_A,r1 |
| 27 | mov.l BCR1_D,r0 |
| 28 | mov.l r0,@r1 |
| 29 | |
| 30 | mov.l BCR2_A,r1 |
| 31 | mov.l BCR2_D,r0 |
| 32 | mov.w r0,@r1 |
| 33 | |
| 34 | mov.l BCR3_A,r1 |
| 35 | mov.l BCR3_D,r0 |
| 36 | mov.w r0,@r1 |
| 37 | |
| 38 | mov.l BCR4_A,r1 |
| 39 | mov.l BCR4_D,r0 |
| 40 | mov.l r0,@r1 |
| 41 | |
| 42 | mov.l WCR1_A,r1 |
| 43 | mov.l WCR1_D,r0 |
| 44 | mov.l r0,@r1 |
| 45 | |
| 46 | mov.l WCR2_A,r1 |
| 47 | mov.l WCR2_D,r0 |
| 48 | mov.l r0,@r1 |
| 49 | |
| 50 | mov.l WCR3_A,r1 |
| 51 | mov.l WCR3_D,r0 |
| 52 | mov.l r0,@r1 |
| 53 | |
| 54 | mov.l PCR_A,r1 |
| 55 | mov.l PCR_D,r0 |
| 56 | mov.w r0,@r1 |
| 57 | |
| 58 | mov.l LED_A,r1 |
| 59 | mov #0xff,r0 |
| 60 | mov.w r0,@r1 |
| 61 | |
| 62 | mov.l MCR_A,r1 |
| 63 | mov.l MCR_D1,r0 |
| 64 | mov.l r0,@r1 |
| 65 | |
| 66 | mov.l RTCNT_A,r1 |
| 67 | mov.l RTCNT_D,r0 |
| 68 | mov.w r0,@r1 |
| 69 | |
| 70 | mov.l RTCOR_A,r1 |
| 71 | mov.l RTCOR_D,r0 |
| 72 | mov.w r0,@r1 |
| 73 | |
| 74 | mov.l RFCR_A,r1 |
| 75 | mov.l RFCR_D,r0 |
| 76 | mov.w r0,@r1 |
| 77 | |
| 78 | mov.l RTCSR_A,r1 |
| 79 | mov.l RTCSR_D,r0 |
| 80 | mov.w r0,@r1 |
| 81 | |
| 82 | mov.l SDMR3_A,r1 |
| 83 | mov #0x55,r0 |
| 84 | mov.b r0,@r1 |
| 85 | |
| 86 | /* Wait DRAM refresh 30 times */ |
| 87 | mov.l RFCR_A,r1 |
| 88 | mov #30,r3 |
| 89 | 1: |
| 90 | mov.w @r1,r0 |
| 91 | extu.w r0,r2 |
| 92 | cmp/hi r3,r2 |
| 93 | bf 1b |
| 94 | |
| 95 | mov.l MCR_A,r1 |
| 96 | mov.l MCR_D2,r0 |
| 97 | mov.l r0,@r1 |
| 98 | |
| 99 | mov.l SDMR3_A,r1 |
| 100 | mov #0,r0 |
| 101 | mov.b r0,@r1 |
| 102 | |
| 103 | mov.l IRLMASK_A,r1 |
| 104 | mov.l IRLMASK_D,r0 |
| 105 | mov.l r0,@r1 |
| 106 | |
| 107 | mov.l CCR_A, r1 |
| 108 | mov.l CCR_D_E, r0 |
| 109 | mov.l r0, @r1 |
| 110 | |
| 111 | rts |
| 112 | nop |
| 113 | |
| 114 | .align 2 |
| 115 | CCR_A: .long CCR /* Cache Control Register */ |
| 116 | CCR_D_D: .long 0x0808 /* Flush the cache, disable */ |
| 117 | CCR_D_E: .long 0x8000090B |
| 118 | |
| 119 | FRQCR_A: .long FRQCR /* FRQCR Address */ |
| 120 | FRQCR_D: .long 0x00000e0a /* 03/07/15 modify */ |
| 121 | BCR1_A: .long BCR1 /* BCR1 Address */ |
| 122 | BCR1_D: .long 0x00180008 |
| 123 | BCR2_A: .long BCR2 /* BCR2 Address */ |
| 124 | BCR2_D: .long 0xabe8 |
| 125 | BCR3_A: .long BCR3 /* BCR3 Address */ |
| 126 | BCR3_D: .long 0x0000 |
| 127 | BCR4_A: .long BCR4 /* BCR4 Address */ |
| 128 | BCR4_D: .long 0x00000010 |
| 129 | WCR1_A: .long WCR1 /* WCR1 Address */ |
| 130 | WCR1_D: .long 0x33343333 |
| 131 | WCR2_A: .long WCR2 /* WCR2 Address */ |
| 132 | WCR2_D: .long 0xcff86fbf |
| 133 | WCR3_A: .long WCR3 /* WCR3 Address */ |
| 134 | WCR3_D: .long 0x07777707 |
| 135 | LED_A: .long 0x04000036 /* LED Address */ |
| 136 | RTCNT_A: .long RTCNT /* RTCNT Address */ |
| 137 | RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ |
| 138 | RTCOR_A: .long RTCOR /* RTCOR Address */ |
| 139 | RTCOR_D: .long 0xA534 /* RTCOR Write Code */ |
| 140 | RTCSR_A: .long RTCSR /* RTCSR Address */ |
| 141 | RTCSR_D: .long 0xA510 /* RTCSR Write Code */ |
| 142 | SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */ |
| 143 | SDMR3_D: .long 0x55 |
| 144 | MCR_A: .long MCR /* MCR Address */ |
| 145 | MCR_D1: .long 0x081901F4 /* MRSET:'0' */ |
| 146 | MCR_D2: .long 0x481901F4 /* MRSET:'1' */ |
| 147 | RFCR_A: .long RFCR /* RFCR Address */ |
| 148 | RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ |
| 149 | PCR_A: .long PCR /* PCR Address */ |
| 150 | PCR_D: .long 0x0000 |
| 151 | MMUCR_A: .long MMUCR /* MMUCCR Address */ |
| 152 | MMUCR_D: .long 0x00000000 /* MMUCCR Data */ |
| 153 | IRLMASK_A: .long 0xA4000000 /* IRLMASK Address */ |
| 154 | IRLMASK_D: .long 0x00000000 /* IRLMASK Data */ |