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@ -44,7 +44,7 @@ |
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A2: 1-3 A1: 1-3 A0: 0-1 */ |
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#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */ |
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#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */ |
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#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */ |
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#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, .. */ |
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#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */ |
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#else /* CONFIG_CPU_SH7751 */ |
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#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */ |
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@ -55,7 +55,7 @@ |
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A2: 1-3 A1: 1-3 A0: 0-1 */ |
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#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */ |
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#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */ |
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#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */ |
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#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, .. */ |
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#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */ |
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#endif /* CONFIG_CPU_SH7751 */ |
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@ -70,71 +70,71 @@ lowlevel_init: |
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mov.l r0, @r1
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init_bsc: |
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mov.l FRQCR_A,r1 /* FRQCR Address */ |
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mov.l FRQCR_D,r0 /* FRQCR Data */ |
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mov.w r0,@r1
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mov.l FRQCR_A, r1 /* FRQCR Address */ |
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mov.l FRQCR_D, r0 /* FRQCR Data */ |
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mov.w r0, @r1
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mov.l BCR1_A,r1 /* BCR1 Address */ |
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mov.l BCR1_D,r0 /* BCR1 Data */ |
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mov.l r0,@r1
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mov.l BCR1_A, r1 /* BCR1 Address */ |
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mov.l BCR1_D, r0 /* BCR1 Data */ |
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mov.l r0, @r1
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mov.l BCR2_A,r1 /* BCR2 Address */ |
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mov.l BCR2_D,r0 /* BCR2 Data */ |
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mov.w r0,@r1
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mov.l BCR2_A, r1 /* BCR2 Address */ |
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mov.l BCR2_D, r0 /* BCR2 Data */ |
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mov.w r0, @r1
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mov.l WCR1_A,r1 /* WCR1 Address */ |
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mov.l WCR1_D,r0 /* WCR1 Data */ |
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mov.l r0,@r1
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mov.l WCR1_A, r1 /* WCR1 Address */ |
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mov.l WCR1_D, r0 /* WCR1 Data */ |
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mov.l r0, @r1
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mov.l WCR2_A,r1 /* WCR2 Address */ |
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mov.l WCR2_D,r0 /* WCR2 Data */ |
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mov.l r0,@r1
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mov.l WCR2_A, r1 /* WCR2 Address */ |
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mov.l WCR2_D, r0 /* WCR2 Data */ |
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mov.l r0, @r1
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mov.l WCR3_A,r1 /* WCR3 Address */ |
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mov.l WCR3_D,r0 /* WCR3 Data */ |
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mov.l r0,@r1
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mov.l WCR3_A, r1 /* WCR3 Address */ |
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mov.l WCR3_D, r0 /* WCR3 Data */ |
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mov.l r0, @r1
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mov.l MCR_A,r1 /* MCR Address */ |
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mov.l MCR_D1,r0 /* MCR Data1 */ |
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mov.l r0,@r1
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mov.l MCR_A, r1 /* MCR Address */ |
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mov.l MCR_D1, r0 /* MCR Data1 */ |
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mov.l r0, @r1
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mov.l SDMR3_A,r1 /* Set SDRAM mode */ |
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mov #0,r0 |
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mov.b r0,@r1
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mov.l SDMR3_A, r1 /* Set SDRAM mode */ |
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mov #0, r0 |
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mov.b r0, @r1
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! Do you need PCMCIA setting? |
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! If so, please add the lines here... |
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mov.l RTCNT_A,r1 /* RTCNT Address */ |
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mov.l RTCNT_D,r0 /* RTCNT Data */ |
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mov.w r0,@r1
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mov.l RTCNT_A, r1 /* RTCNT Address */ |
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mov.l RTCNT_D, r0 /* RTCNT Data */ |
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mov.w r0, @r1
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mov.l RTCOR_A,r1 /* RTCOR Address */ |
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mov.l RTCOR_D,r0 /* RTCOR Data */ |
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mov.w r0,@r1
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mov.l RTCOR_A, r1 /* RTCOR Address */ |
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mov.l RTCOR_D, r0 /* RTCOR Data */ |
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mov.w r0, @r1
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mov.l RTCSR_A,r1 /* RTCSR Address */ |
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mov.l RTCSR_D,r0 /* RTCSR Data */ |
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mov.w r0,@r1
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mov.l RTCSR_A, r1 /* RTCSR Address */ |
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mov.l RTCSR_D, r0 /* RTCSR Data */ |
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mov.w r0, @r1
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mov.l RFCR_A,r1 /* RFCR Address */ |
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mov.l RFCR_D,r0 /* RFCR Data */ |
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mov.w r0,@r1 /* Clear reflesh counter */
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mov.l RFCR_A, r1 /* RFCR Address */ |
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mov.l RFCR_D, r0 /* RFCR Data */ |
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mov.w r0, @r1 /* Clear reflesh counter */
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/* Wait DRAM refresh 30 times */ |
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mov #30,r3 |
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mov #30, r3 |
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1: |
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mov.w @r1,r0
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extu.w r0,r2 |
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cmp/hi r3,r2 |
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mov.w @r1, r0
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extu.w r0, r2 |
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cmp/hi r3, r2 |
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bf 1b |
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mov.l MCR_A,r1 /* MCR Address */ |
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mov.l MCR_D2,r0 /* MCR Data2 */ |
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mov.l r0,@r1
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mov.l MCR_A, r1 /* MCR Address */ |
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mov.l MCR_D2, r0 /* MCR Data2 */ |
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mov.l r0, @r1
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mov.l SDMR3_A,r1 /* Set SDRAM mode */ |
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mov #0,r0 |
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mov.b r0,@r1
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mov.l SDMR3_A, r1 /* Set SDRAM mode */ |
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mov #0, r0 |
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mov.b r0, @r1
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rts |
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nop |
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