?? init.c
字號:
if(HwDeviceExtension->jChipType == SIS_550) { /* SetDRAMConfig begin *//* SiS_SetReg1(SiS_Pr->SiS_P3c4,0x12,SR12); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,SR13); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,SR14); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,SR16); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x17,SR17); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x18,SR18); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x19,SR19); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x1A,SR1A); */ /* SetDRAMConfig end */ }#endif#ifdef SIS300 if(HwDeviceExtension->jChipType == SIS_300) { if (HwDeviceExtension->bSkipDramSizing == TRUE) {/* SiS_SetDRAMModeRegister(ROMAddr,HwDeviceExtension); temp = (HwDeviceExtension->pSR)->jVal; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,temp); temp = (HwDeviceExtension->pSR)->jVal; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,temp); */ } else {#ifdef TC SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,SR13); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,SR14); SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x15,0xFF,0x04);#else SiS_SetDRAMSize_300(SiS_Pr, HwDeviceExtension); SiS_SetDRAMSize_300(SiS_Pr, HwDeviceExtension);#endif } } if((HwDeviceExtension->jChipType==SIS_540)|| (HwDeviceExtension->jChipType==SIS_630)|| (HwDeviceExtension->jChipType==SIS_730)) {#if 0 SiS_SetReg1(SiS_Pr->SiS_P3c4,0x12,SR12); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,SR13); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,SR14); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,SR16); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x17,SR17); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x18,SR18); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x19,SR19); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x1A,SR1A);#endif }/* SetDRAMSize end */#endif /* SIS300 */ /* Set default Ext2Regs */#if 0 AGP=1; temp=(UCHAR)SiS_GetReg1(SiS_Pr->SiS_P3c4,0x3A); temp &= 0x30; if(temp == 0x30) AGP=0; if(AGP == 0) *SiS_Pr->pSiS_SR21 &= 0xEF; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x21,*SiS_Pr->pSiS_SR21); if(AGP == 1) *SiS_Pr->pSiS_SR22 &= 0x20; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x22,*SiS_Pr->pSiS_SR22);#endif SiS_SetReg1(SiS_Pr->SiS_P3c4,0x21,*SiS_Pr->pSiS_SR21); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x22,*SiS_Pr->pSiS_SR22);#if 0 SiS_SetReg3(SiS_Pr->SiS_P3c6,0xff); SiS_ClearDAC(SiS_Pr, SiS_Pr->SiS_P3c8);#endif#ifdef LINUXBIOS /* TW: This is not needed for our purposes */ SiS_DetectMonitor(SiS_Pr, HwDeviceExtension,BaseAddr); /* Sense CRT1 */ SiS_GetSenseStatus(SiS_Pr, HwDeviceExtension,ROMAddr); /* Sense CRT2 */#endif return(TRUE);}voidSiS_Set_LVDS_TRUMPION(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension){ USHORT temp = 0;#ifdef SiS300 if((HwDeviceExtension->jChipType == SIS_540) || (HwDeviceExtension->jChipType == SIS_630) || (HwDeviceExtension->jChipType == SIS_730)) { /* TW: Read POWER_ON_TRAP and copy to CR37 */ temp = (UCHAR)SiS_GetReg1(SiS_Pr->SiS_P3c4,0x1A); temp = (temp & 0xE0) >> 4; SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x37,0xF1,temp); }#endif#ifdef SIS315H if((HwDeviceExtension->jChipType == SIS_650) || (HwDeviceExtension->jChipType == SIS_740) || (HwDeviceExtension->jChipType == SIS_330)) {#if 0 /* TW: This is not required */ /* TW: Read POWER_ON_TRAP and copy to CR37 */ temp = (UCHAR)SiS_GetReg1(SiS_Pr->SiS_P3c4,0x1A); temp = (temp & 0xE0) >> 4; SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x37,0xF1,temp);#endif }#endif SiSSetLVDSetc(SiS_Pr, HwDeviceExtension, 0);}/* =============== SiS 300 dram sizing begin =============== */#ifdef SIS300voidSiS_SetDRAMSize_300(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension){ ULONG FBAddr = (ULONG)HwDeviceExtension->pjVideoMemoryAddress; USHORT SR13, SR14=0, buswidth, Done; SHORT i, j, k; USHORT data, TotalCapacity, PhysicalAdrOtherPage=0; ULONG Addr; UCHAR temp; int PseudoRankCapacity, PseudoTotalCapacity, PseudoAdrPinCount; int RankCapacity, AdrPinCount, BankNumHigh, BankNumMid, MB2Bank; int PageCapacity, PhysicalAdrHigh, PhysicalAdrHalfPage; SiSSetMode(SiS_Pr, HwDeviceExtension, 0x2e); SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x01,0x20); /* Turn OFF Display */ SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,0x00); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,0xBF); buswidth = SiS_ChkBUSWidth_300(SiS_Pr, FBAddr); MB2Bank = 16; Done = 0; for(i=6; i>=0; i--) { if(Done == 1) break; PseudoRankCapacity = 1 << i; for(j=4; j>=1; j--) { if(Done == 1) break; PseudoTotalCapacity = PseudoRankCapacity * j; PseudoAdrPinCount = 15 - j; if(PseudoTotalCapacity <= 64) { for(k=0; k<=16; k++) { if(Done == 1) break; RankCapacity = buswidth * SiS_DRAMType[k][3]; AdrPinCount = SiS_DRAMType[k][2] + SiS_DRAMType[k][0]; if(RankCapacity == PseudoRankCapacity) if(AdrPinCount <= PseudoAdrPinCount) { if(j == 3) { /* Rank No */ BankNumHigh = RankCapacity * MB2Bank * 3 - 1; BankNumMid = RankCapacity * MB2Bank * 1 - 1; } else { BankNumHigh = RankCapacity * MB2Bank * j - 1; BankNumMid = RankCapacity * MB2Bank * j / 2 - 1; } PageCapacity = (1 << SiS_DRAMType[k][1]) * buswidth * 4; PhysicalAdrHigh = BankNumHigh; PhysicalAdrHalfPage = (PageCapacity / 2 + PhysicalAdrHigh) % PageCapacity; PhysicalAdrOtherPage = PageCapacity * SiS_DRAMType[k][2] + PhysicalAdrHigh; /* Write data */ /*Test*/ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x15,0xFB); SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x15,0x04); /*/Test*/ TotalCapacity = SiS_DRAMType[k][3] * buswidth; SR13 = SiS_DRAMType[k][4]; if(buswidth == 4) SR14 = (TotalCapacity - 1) | 0x80; if(buswidth == 2) SR14 = (TotalCapacity - 1) | 0x40; if(buswidth == 1) SR14 = (TotalCapacity - 1) | 0x00; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x13,SR13); SiS_SetReg1(SiS_Pr->SiS_P3c4,0x14,SR14); Addr = FBAddr + (BankNumHigh) * 64 * 1024 + PhysicalAdrHigh; *((USHORT *)(Addr)) = (USHORT)PhysicalAdrHigh; Addr = FBAddr + (BankNumMid) * 64 * 1024 + PhysicalAdrHigh; *((USHORT *)(Addr)) = (USHORT)BankNumMid; Addr = FBAddr + (BankNumHigh) * 64 * 1024 + PhysicalAdrHalfPage; *((USHORT *)(Addr)) = (USHORT)PhysicalAdrHalfPage; Addr = FBAddr + (BankNumHigh) * 64 * 1024 + PhysicalAdrOtherPage; *((USHORT *)(Addr)) = PhysicalAdrOtherPage; /* Read data */ Addr = FBAddr + (BankNumHigh) * 64 * 1024 + PhysicalAdrHigh; data = *((USHORT *)(Addr)); if(data == PhysicalAdrHigh) Done = 1; } /* if struct */ } /* for loop (k) */ } /* if struct */ } /* for loop (j) */ } /* for loop (i) */}USHORTSiS_ChkBUSWidth_300(SiS_Private *SiS_Pr, ULONG FBAddress){ PULONG pVideoMemory; pVideoMemory = (PULONG)FBAddress; pVideoMemory[0] = 0x01234567L; pVideoMemory[1] = 0x456789ABL; pVideoMemory[2] = 0x89ABCDEFL; pVideoMemory[3] = 0xCDEF0123L; if (pVideoMemory[3]==0xCDEF0123L) { /* Channel A 128bit */ return(4); } if (pVideoMemory[1]==0x456789ABL) { /* Channel B 64bit */ return(2); } return(1);}#endif/* =============== SiS 300 dram sizing end =============== *//* ============ SiS 310/325 dram sizing begin ============== */#ifdef SIS315H/* TW: Moved Get310DRAMType further down */voidSiS_Delay15us(SiS_Private *SiS_Pr, ULONG ulMicrsoSec){}voidSiS_SDR_MRS(SiS_Private *SiS_Pr, ){ USHORT data; data = SiS_GetReg1(SiS_Pr->SiS_P3c4,0x16); data &= 0x3F; /* SR16 D7=0, D6=0 */ SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data); /* enable mode register set(MRS) low */ SiS_Delay15us(SiS_Pr, 0x100); data |= 0x80; /* SR16 D7=1, D6=0 */ SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data); /* enable mode register set(MRS) high */ SiS_Delay15us(SiS_Pr, 0x100);}voidSiS_DDR_MRS(SiS_Private *SiS_Pr){ USHORT data; /* SR16 <- 1F,DF,2F,AF */ /* enable DLL of DDR SD/SGRAM , SR16 D4=1 */ data=SiS_GetReg1(SiS_Pr->SiS_P3c4,0x16); data &= 0x0F; data |= 0x10; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data); if (!(SiS_Pr->SiS_SR15[1][SiS_Pr->SiS_RAMType] & 0x10)) data &= 0x0F; /* SR16 D7=1,D6=1 */ data |= 0xC0; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data); /* SR16 D7=1,D6=0,D5=1,D4=0 */ data &= 0x0F; data |= 0x20; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data); if (!(SiS_Pr->SiS_SR15[1][SiS_Pr->SiS_RAMType] & 0x10)) data &= 0x0F; /* SR16 D7=1 */ data |= 0x80; SiS_SetReg1(SiS_Pr->SiS_P3c4,0x16,data);}voidSiS_SetDRAMModeRegister(SiS_Private *SiS_Pr, UCHAR *ROMAddr, PSIS_HW_DEVICE_INFO HwDeviceExtensi?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -