w977uar1.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) 	{ 			//Communication Device (Modem Port)
        Name(_HID, EISAID("PNP0501")) 	//PnP Device ID 16550 Type
        Name(_UID,0x1)			
        Method(_STA,0){ 		//Status of the COM device
                ENFG()
                Store(0x02,LDN_)
                If(ACTR) {
                        EXFG()		
                        Return(0x0F)
                        } 		//Return Device Present and device Active
                Else	{
                        If (LOr(IOAH,IOAL)) {
                                EXFG()
                                Return(0x0D)
                                }	//If device address is non zero
                        Else	{
                                EXFG()
                                Return(0)	      		
                                }
                        }		//If device address is 0 return device not present
                EXFG()			//??????
                } 			//end _STA method

        Method(_DIS,0)	{ 		//Disable
                ENFG()
                Store(0x02, LDN_)	//set logical device number for Serial Port 1
                Store(Zero, ACTR)	//Set Activate Register to zero
                EXFG()
                } 			//end _DIS method

        Method(_CRS,0)	{		// Current Resource
                Name(BUF1,Buffer()
                        {
                        0x47,		//IO Port Descriptor
                        0x01, 		//16 bit decode
                        0x00, 		//IO Port Range Minimum Base Low
                        0x00, 		//IO Port Range Minimum Base High
                        0x00, 		//IO Port Range Maximum Base LOW
                        0x00, 		//IO Port Range Maximum Base High
                        0x00, 		//Base Alignment
                        0x08, 		//Length of contiguous IO Ports

                        0x22, 		//IRQ Descriptor
                        0x00, 		//IRQ Mask Lo=bit 4
                        0x00,

                                0x79, 		//end tag
                        0x00, 		// Checksum = 0 Treat as if the
                        }		// end of Buffer
                )

                CreateByteField (BUF1, 0x02, IOLO) 	//IO Port Low
                CreateByteField (BUF1, 0x03, IOHI) 	//IO Port High
                CreateByteField (BUF1, 0x04, IORL) 	//IO Port Low
                CreateByteField (BUF1, 0x05, IORH) 	//IO Port High
                CreateByteField (BUF1, 0x09, IRQL) 	//IRQ Mask
                ENFG()

                Store(0x02,LDN_) 		//Logical device number for serial port 1
                Store(IOAL,IOLO)
                Store(IOAL,IORL)
                Store(IOAH,IOHI)
                Store(IOAH,IORH)

                Store(One,Local0)
                ShiftLeft(Local0,INTR,IRQL)
                EXFG()
                Return(BUF1)			//Return Buf1
                } 				//end _CRS method

        Name(_PRS,Buffer()
                {
                0x30, 			// Start Dependent Function

                0x47, 			//IO Port Descriptor
                0x01, 			//16 bit decode
                0xF8, 			//IO Port Range Minimum Base Low
                0x03, 			//IO Port Range Minimum Base High
                0xF8, 			//IO Port Range Maximum Base LOW
                0x03, 			//IO Port Range Maximum Base High
                0x00, 			//Base Alignment
                0x08, 			//Length of contiguous IO Ports

                0x22, 			//IRQ Descriptor
                0x10, 			//IRQ Mask Lo=bits 3 and 4
                0x00,

                0x30, 			// Start Dependent Function

                0x47, 			//IO Port Descriptor
                0x01, 			//16 bit decode
                0xF8, 			//IO Port Range Minimum Base Low
                0x02, 			//IO Port Range Minimum Base High
                0xF8, 			//IO Port Range Maximum Base LOW
                0x02, 			//IO Port Range Maximum Base High
                0x00, 			//Base Alignment
                0x08, 			//Length of contiguous IO Ports

                0x22, 			//IRQ Descriptor
                0x08, 			//IRQ Mask Lo=bits 3 and 4
                0x00,

                0x30, 			// Start Dependent Function

                0x47, 			//IO Port Descriptor
                0x01, 			//16 bit decode
                0xE8, 			//IO Port Range Minimum Base Low
                0x03, 			//IO Port Range Minimum Base High
                0xE8, 			//IO Port Range Maximum Base LOW
                0x03, 			//IO Port Range Maximum Base High
                0x00, 			//Base Alignment
                0x08, 			//Length of contiguous IO Ports

                0x22, 			//IRQ Descriptor
                0x10, 			//IRQ Mask Lo=bits 3 and 4
                0x00,

                0x30, 			// Start Dependent Function

                0x47, 			//IO Port Descriptor
                0x01, 			//16 bit decode
                0xE8, 			//IO Port Range Minimum Base Low
                0x02, 			//IO Port Range Minimum Base High
                0xE8, 			//IO Port Range Maximum Base LOW
                0x02, 			//IO Port Range Maximum Base High
                0x00, 			//Base Alignment
                0x08, 			//Length of contiguous IO Ports

                0x22, 			//IRQ Descriptor
                0x08, 			//IRQ Mask Lo=bits 3 and 4
                0x00,

                0x38, 			// End Dependent Function

                0x79, 			//end tag
                0x00, 			// Checksum = 0 Treat as if the
                } 			// end of Buffer
        )

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

                Store(0x02, LDN_)
                Store(One, ACTR) 	//R01Set activate configuration register
                Store(IOLO, IOAL)
                Store(IOHI, IOAH)
                FindSetRightBit(IRQL,Local0)
                Subtract(Local0, 0x01, INTR)
                EXFG()
                }			//End of _SRS Method

        } 				// end of UART1 device