686_uar1.asl

AWARD BIOS源代码,支持的CHIPSET请看文件,有同型号的板子烧上去就可以跑

Device(UAR1) 	{ 			//UAR1 Device
               Name(_HID,EISAID("PNP0501")) 	//Hardware Device ID
               Name(_UID,0x1)
               Method(_STA,0)	{ 		//Status
                Store(0x80003884, PIND)
                Store(PDAT, Local0)
                And(Local0, 0x00000100, Local0)		// VT686 Function 0 Rx85 bit 0
                If(LNot(Local0)) {
                        Return(0x00)
                }  //end if
                       Else {
                        ENFG()	 			// Enter Config Mode
                        Store(CRC2, Local0)		//Read FSR register
                        And(Local0, 0x04, Local0)	//Read bit2 UART1 enable
                        If(LNotEqual(Local0, 0x00)){
                                EXFG()
                                Return(0x0F)		//present, enable, UI, functioning
                        }  // end if
                        Else {
                                       Store(CRC7, Local1)     // Read SAR1 register	//R02 - starts
                                       If (LNotEqual(Local1, 0x00)) {
                                               EXFG()
                                               Return(0x0D)		//present, disable
                                }  // end if
                                else {						//R02 - ends
                                        EXFG()
                                               Return(0x00)		//present, disable
                                }
                               }  // end else
                       }  // end else
               }  // end of _STA method


               Method(_DIS,0)	{ 		//Disable
                        ENFG()
                        And(CRC2,0xFB,CRC2)	// Disable UART1
                        EXFG()
                       } 			//end _DIS method

               Method(_CRS,0)	{		// Current Serial 1 Resource
                Name(BFU1, ResourceTemplate(){
                        IO(
                                Decode16,	
                                0x03F8,		// Min base I/O addr, UIO1._MIN
                                0x03F8,		// Max base I/O addr, UIO1._MAX
                                0x08,		// Base alignment 
                                0x08,		// Number of contig I/O ports
                                              UIO1
                        )
                               IRQNoFlags(
                                              UIRQ
                        )
                                {0x04}      	// IRQ 4, UIRQ._INT	
                        } // end Resource Template
                        ) // end buffer BFU1

                       CreateWordField (BFU1, UIO1._MIN, IMIN)	//IO MIN address
                       CreateWordField (BFU1, UIO1._MAX, IMAX)	//IO MAX address
                       CreateWordField (BFU1, UIRQ._INT, IRQ0)	//IRQ Mask

                       ENFG() 			// Enter Config Mode
                       Store(CRC7, Local0)     // Read UART1 FSR register
                Store(Local0, Local1)	// Local1: IOUH, Local0: IOUL
                And(Local1, 0x00C0, Local1)	// CRC7:
                ShiftLeft(Local1, 0x02, Local1)	// Bit7-6: ADR9-8
                And(Local0, 0x003F, Local0)	// Bit5-1: ADR7-3
                ShiftLeft(Local0, 0x02, Local0)	// Bit0: 0
                Or(Local0, Local1, Local0)	
                Store(Local0, IMIN)
                Store(Local0, IMAX)
                       EXFG()				// Exit Config Mode

                       Store(\_SB.PCI0.PIB.U1IR, Local0)	//Get UAR1 IRQ Value
                Store(0x01, Local1)
                ShiftLeft(Local1, Local0, IRQ0)

                       Return(BFU1)			//Return BFU1
               }                               //end _CRS method


        Name(_PRS, ResourceTemplate(){
                StartDependentFnNoPri(){
                        IO(
                                Decode16,
                                       0x03F8,         // Min base I/O addr
                                       0x03F8,         // Max base I/O addr
                                       0x08,           // Base alignment
                                0x08		// Number of contig I/O ports
                        )
                        IRQNoFlags()
                                       {0x04}          // IRQ 4
                } // end first dependent function
                StartDependentFnNoPri(){
                        IO(
                                Decode16,
                                       0x02F8,         // Min base I/O addr
                                       0x02F8,         // Max base I/O addr
                                       0x08,           // Base alignment
                                0x08		// Number of contig I/O ports
                        )
                        IRQNoFlags()
                                       {0x03}          // IRQ 3
                } // end second dependent function
                StartDependentFnNoPri(){
                        IO(
                                Decode16,
                                       0x03E8,         // Min base I/O addr
                                       0x03E8,         // Max base I/O addr
                                       0x08,           // Base alignment
                                0x08		// Number of contig I/O ports
                        )
                        IRQNoFlags()
                                       {0x04}          // IRQ 4
                } // end third dependent function	
                StartDependentFnNoPri(){
                        IO(
                                Decode16,
                                       0x02E8,         // Min base I/O addr
                                       0x02E8,         // Max base I/O addr
                                       0x08,           // Base alignment
                                0x08		// Number of contig I/O ports
                        )
                        IRQNoFlags()
                                      {0x03}          // IRQ 3
                        } // end fourth dependent function	
                EndDependentFn()	// end dependent functions
                } // end Resource Template
        ) // end _PRS


               Method(_SRS,1)	{		//Set Resource
                       CreateByteField (Arg0, 0x02, IOLO)	//IO Port Low
                       CreateByteField (Arg0, 0x03, IOHI)	//IO Port High
                       CreateWordField (Arg0, 0x09, IRQ0) 	// IRQ MASK

                       ENFG()                  // Enter Config Mode

                       Store(CRC2,Local0)      // Disable UART1
                       And(Local0,0xFB,Local1)
                       Store(Local1,CRC2)

                Store(IOLO, Local0)			//Set IO
                ShiftRight(Local0, 0x02, Local0)	//UART1 IO: CRC7
                And(Local0, 0xFE, Local0)		//Bit7-1 = ADR9-3
                Store(IOHI, Local1)			//Bit0 = 0
                ShiftLeft(Local1, 0x06, Local1)
                Or(Local0, Local1, Local0)
                       Store(Local0, CRC7)        

                       FindSetRightBit(IRQ0, Local0)		//Set IRQ
                If(LGreater(Local0, 0x00)) {
                        Decrement(Local0)
                }
                Store(Local0, \_SB.PCI0.PIB.U1IR)

                       Store(CRC2,Local0)      // Enable UART1
                       Or(Local0,0x04,Local1)
                       Store(Local1,CRC2)

                       EXFG()                  // Exit Config Mode

               }  //End of _SRS Method


}  // end of UART1 device