pmupost.asm

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

PM_RAM		ENDS

DGROUP		GROUP	FCODE
FCODE		SEGMENT USE16 PARA Public 'CODE'
		ASSUME	CS:DGROUP


;[]-------------------------------------------------------------------[]
;
; PPPPPPPP	 AA	  RRRRRRRR   TTTTTTTTTTT	       111
; PPPPPPPPP	AAAA	  RRRRRRRRR  TTTTTTTTTTT    ***       1111
; PPP	 PPP   AAAAAA	  RRR	 RRR	 TTT	    ***      11111
; PPPPPPPPP   AAA  AAA	  RRRRRRRRR	 TTT		       111
; PPPPPPPP   AAAAAAAAAA   RRRRRRRR	 TTT	    ***        111
; PPP	    AAAAAAAAAAAA  RRR	RRR	 TTT	    ***        111
; PPP	   AAA	      AAA RRR	 RRR	 TTT		       111
;
;
;   1. Standard routines that must be filled in to let the BIOS KERNAL
;      to program the PMU registers
;   2. Called during POST & after POST
;
;[]-------------------------------------------------------------------[]
;R38 - start
;[]==============================================================[]
; Disable_E000_ROM_Shadow : (POST 63h)
;	Disable E000 ROM Shadow (Direct Access to ISA)
; Input : None
; Output: None
; Save: all
;[]==============================================================[]
		public	Disable_E000_ROM_Shadow
Disable_E000_ROM_Shadow	proc	near

	;disable E0000 shadow RAM
		
		mov	cx,VT692 + 63h
		mov	bl,NOT 0c0H
		call	Get_Set_Ct_AND

	;disable onboard E0000 ROM
		mov	cx,VT586 + 43h
		mov	bl,NOT 30H
		call	Get_Set_Ct_AND

		ret
Disable_E000_ROM_Shadow	endp
;R38A ;[]==============================================================[]
;R38A ; Get_Set_Ct_AND(Get_Set_PCI_AND):
;R38A ;	AND a value in the chipset register.
;R38A ; Input  :	CX = Index register to change.
;R38A ;		bl = Value to change (AND)
;R38A ; Output :	None
;R38A ; Destory:	EAX, ECX, DX
;R38A ;
;R38A ;[]==============================================================[]
;R38A 		Public	Get_Set_Ct_AND, Get_Set_PMU_AND
;R38A Get_Set_Ct_AND	proc	near
;R38A Get_Set_PMU_AND:
;R38A 		extrn	Get_Ct:near
;R38A 		extrn	Set_Ct:near
;R38A 		call    Get_Ct
;R38A 		and     al, bl			;AND data
;R38A 		call    Set_Ct
;R38A 		ret
;R38A Get_Set_Ct_AND	endp

;[]==============================================================[]
;E000_Shadow_R:
;	Set video BIOS(E000-E800) shadow readonly
;Input : none
;Output: none
;[]==============================================================[]
		Public	E000_Shadow_R
E000_Shadow_R   proc    near
		extrn	GET_SET_CT:near
		mov     cx,VT692 + 63h
		mov	bx,803fh
		call    GET_SET_CT
		ret
E000_Shadow_R   endp

		Public	E000_64k_Shadow_R
E000_64k_Shadow_R   proc    near
		jmp	E000_Shadow_R
E000_64k_Shadow_R   endp
;R38 - end

;[]========================================================================[]
;Procedure:	Get_PM_IRQ
;
;Function :	Tell BIOS which IRQ is PMI using
;
;Input	  :	None
;
;Output   :	NC:
;			AL = 1	- PMI using IRQ 15
;			AL = 2	- PMI using NMI
;			AL = 3	- PMI using SMI
;		CF:
;			No IRQ or NMI or SMI is available
;
;Preserve :	All except AX & FLAG
;
;Note	  :	1. Stack available
;		2. called from PM_Init
;[]========================================================================[]
		Public	Get_PM_IRQ
Get_PM_IRQ	Proc	Near
		mov	al,03h		;always SMI for PENTIUM CPU
		clc
		ret
Get_PM_IRQ	Endp

;[]========================================================================[]
;Procedure:	Check_PM_Using_NMI
;
;Function :	To handle the NMI which is caused by a PMU
;
;Input	  :	None
;
;Output   :	None
;
;Saves	  :	Please save all registers
;
;[Note]   :	1. Called every time a NMI is occured
;		2. check to see if this SMI is issue by PMU
;
;		     if PMI ;  Serve the PMI then
;
;			       sti
;			       iret
;
;		     if not PMI : jump back to a external label(near)
;				  named "NMI_Original" & do nothing!
;
;		   So if your chip never use NMI, just "jmp NMI_Original"!
;
;[]========================================================================[]
		Public	Check_PM_Using_NMI
Check_PM_Using_NMI:
PM_Not_NMI:
		extrn	NMI_Original:near
		jmp	NMI_Original

;[]-------------------------------------------------------------------[]
;
; PPPPPPPP	 AA	  RRRRRRRR   TTTTTTTTTTT	       2222222
; PPPPPPPPP	AAAA	  RRRRRRRRR  TTTTTTTTTTT    ***       22222222
; PPP	 PPP   AAAAAA	  RRR	 RRR	 TTT	    ***      222  222
; PPPPPPPPP   AAA  AAA	  RRRRRRRRR	 TTT			 222
; PPPPPPPP   AAAAAAAAAA   RRRRRRRR	 TTT	    *** 	222
; PPP	    AAAAAAAAAAAA  RRR	RRR	 TTT	    ***        2222222
; PPP	   AAA	      AAA RRR	 RRR	 TTT		      22222222
;
;
;		Called during POST Only
;
;[]-------------------------------------------------------------------[]

;[]========================================================================[]
;Procedure:	Ct_Check_Green_VGA
;
;Function :	To tell BIOS kernel that if the VGA adaptor's V/H SYNC
;		signal should be turned off or not when video off.
;		This should refer to the setup setting.
;
;Input    :	None
;
;Output   :	ZF : don't turned off V/H SYNC
;		NZ : V/H SYNC can be turned off
;
;Note	  :	1. Some VGA adaptors use V/H SYNC signals for special
;		   purpose, e.g. TSENG LAB use them for DRAM refresh.
;		   Therefore, these signals must never be turn off
;		   at any time.
;		2. called from POST at POST 82
;[]========================================================================[]
			Public	Ct_Check_Green_VGA
Ct_Check_Green_VGA	Proc	Near
		pushad
		mov	si,offset VGA_Type_Item
		call	GetItem_Value
		or	al,al
		popad
		ret
Ct_Check_Green_VGA	Endp

;[]==============================================================[]
;Input: None
;Function :	To see if it is a SMI
;[]==============================================================[]
			Public	Ct_Check_SMI_Start
Ct_Check_SMI_Start	Proc	Near

		extrn	Not_SMI_Start:near
		jmp	Not_SMI_Start

Ct_Check_SMI_Start	Endp

;[]==============================================================[]
;Procedure:	PM_Option_Check
;
;Function :	Get PM option
;
;Input	  :	None
;
;Output   :	1. ZF  - User Defined!
;			 i.e. use CMOS value to prg PM chip
;
;		   NZ  - Use Pre-defined value to prg PM chip
;			 AL = PM option
;			    i.e. DISBLED
;				 MAX-POWER_SAVING
;				 MIN-POWERING-SAVING....
;			 SI = offset of auto-table
;			    i.e. MIN_PM_SAVING_TABLE
;				 MAX_PM_SAVING_TABLE
;				 PM_DISABLE_TABLE	   in file PFEATURE.ASM
;
;		2. CF  - Global Power Management should be disabled
;
;		   NC  - Global Power Management should be enabled
;
;Registers :	FLAGS, AX, SI - destroyed
;		Others	      - should be preserved
;[]==============================================================[]
		Public	PM_Option_Check
PM_Option_Check Proc	Near
		mov	si,offset cs:PM_Option_Item
		call	GetItem_Value
		mov	cl,al
		xor	ch,ch

		mov	si,offset cs:PM_Auto_Table
		shl	cx,1
		dec	cx
		add	si,cx
		mov	si,cs:[si]

PM_Option_Check_Exit:

		cmp	al,1			;PM disabled?
		je	short @F		;yes

	;if PM option is "user defined" then OEM routine should
	;check here for both items disabled

		or	al,al			;set/clear Zero Flag
		clc
		ret

	@@:
		or	al,al			;set/clear Zero Flag
ifdef Set_APM_According_PM_Setup
		stc				;indicate PM disable
else; Set_APM_According_PM_Setup
		clc				;indicate PM disable
endif; Set_APM_According_PM_Setup

		ret
PM_Option_Check Endp

;[]==================================================================[]
;Procedure:	Ct_Global_PM_Disable
;
;Function :	To disable all power management features
;
;Input	  :	None

;Output   :	None
;
;Registers:	all registers preserved
;
;[Note]   :	called from PM_INIT before PM_RAM is available
;[]==================================================================[]
			Public	Ct_Global_PM_Disable
Ct_Global_PM_Disable	Proc	Near
		pusha
ifdef	USB_SUPPORT				     
		POST_FUNC_CALL	Ct_Check_Usb_Disabled
		jnc	short @f		     
endif	;USB_SUPPORT				     
	@@:
		popa
		ret
Ct_Global_PM_Disable	Endp

;[]==================================================================[]
;Procedure:	Clear_PM_RAM
;
;Function :	Clear power management data area (PM_RAM segment)
;		This routine is used to clear extended BIOS data area
;		in order to provide a clean environment for power
;		management code
;
;Input	  :	ES : PM_RAM

;Output   :	None
;
;Registers:	all registers preserved except FLAGS
;
;[Note]   :	called from PM_INIT
;[]==================================================================[]
		Public	Clear_PM_RAM
Clear_PM_RAM	Proc	Near
		ASSUME	ES:PM_RAM

		pusha
		mov	di,offset PM_RAM:PM_RAM_START
		mov	cx,PM_RAM_LEN
		xor	ax,ax
		cld
		rep	stosb
		popa
		ret

Clear_PM_RAM	Endp

;[]========================================================================[]
;Procedure:	Ct_PMRAM_Use_SYSRAM
;
;Function :	To tell the BIOS kernel that if you are using the SYSRAM
;		for PM_RAM
;
;Input	  :	None
;
;Output   :	AL = Size of PM_RAM that you want to reserved from SYSRAM.
;		0=None, 1=1K, 2=2k  etc.
;
;Save	  :	All registers except AL & FLAGS
;
;Note	  :	1. called before PM_INIT (POST 79)
;		2. simply return AL=0 if PM_RAM is located at shadow RAM
;		   or SMRAM
;		4. stack available
;[]========================================================================[]
		Public	Ct_PMRAM_Use_SYSRAM
Ct_PMRAM_Use_SYSRAM	Proc	Near
		xor	al,al
		ret
Ct_PMRAM_Use_SYSRAM	Endp

;[]========================================================================[]
;Procedure:	Ct_Early_PM_Init
;
;Function :	Early PM chip initializations
;
;Input	  :	None
;
;Output   :	None
;
;Preserve :	All
;
;Note	  :	1. Call from POST 9
;		2. Stack available
;		3. You can initialize any PM function which is needed
;		   to be done earlier!
;[]========================================================================[]
		Public	Ct_Early_PM_Init
Ct_Early_PM_Init	Proc	Near
		Post_Func_Call E000_Ct_Early_PM_Init
		ret
Ct_Early_PM_Init	Endp

ifndef	New_Superio_Led_Function		;R42
ifdef	PM_LED_USE_GPIO				
F000_Set_PM_LED Proc	Far			
		call	Set_PM_LED		
		retf				
F000_Set_PM_LED Endp				
endif;	PM_LED_USE_GPIO				
ifdef	LED_Blinking_at_PM			
F000_Set_PM_LED_Blinking Proc	Far		
		call	Set_PM_LED_Blinking	
		retf				
F000_Set_PM_LED_Blinking Endp			
endif;	LED_Blinking_at_PM			
ifdef	POWER_LED_USE				
F000_Set_POWER_LED Proc	Far			
		call	Set_POWER_LED		
		retf				
F000_Set_POWER_LED Endp				
endif;	POWER_LED_USE				
;R42 - start
else	;New_Superio_Led_Function
ifdef	LED_Blinking_at_PM				
F000_LED_Flash	Proc	Far			
		call	Set_POWER_LED		
		retf				
F000_LED_Flash	Endp				
endif;	LED_Blinking_at_PM				
endif	;New_Superio_Led_Function

;R42Aifdef	Superio_Support_Fan
;R42AF000_Fan_Power_On Proc	Far
;R42A		call	Fan_Power_On
;R42A		retf
;R42AF000_Fan_Power_On Endp
;R42A
;R42AF000_Fan_Power_Off Proc	Far
;R42A		call	Fan_Power_Off
;R42A		retf
;R42AF000_Fan_Power_Off Endp
;R42Aendif;	Superio_Support_Fan
;R42 - end
;[]========================================================================[]
;Input	:	None
;Output	:	AL = 0 			 --> Currently MODEM Ring cannot 
;					     wake up system
;		AL = RING_WAKEUP_ENABLED --> Currently MODEM Ring can
;					     wake up system
;[]========================================================================[]
		Public	CT_RING_WAKEUP_STATUS
CT_RING_WAKEUP_STATUS	Proc	Near

		mov	cx, VT586_ACPI + 44h
		call	Get_PMU
		mov	bl,al
		mov	[WAKE_MODEM0],al

		mov	cx,VT586_ACPI + 45h
		call	Get_PMU
		mov	bh,al
		mov	[WAKE_MODEM1],al

		mov	cx, VT586_ACPI + 46h
		call	Get_PMU	
		or	bl,al

		mov	cx, VT586_ACPI + 47h
		call	Get_PMU	
		mov	bh,al

		mov	word ptr PM_RAM:[DEASSERT_STPCLK_IRQS],bx

		extrn	Modem_IRQ_Item:near
		mov	si, offset Modem_IRQ_Item
		call	GetItem_Value
		mov	word ptr [APM_Modem_IRQ], 0
		or	al, al
		jz	short @F

		mov	bx, 1
		mov	cl, al
		shl	bx, cl
		mov	word ptr [APM_Modem_IRQ], bx
		or	word ptr PM_RAM:[DEASSERT_STPCLK_IRQS],bx
		or	byte ptr [WAKE_MODEM0],bl		 
		or	byte ptr [WAKE_MODEM1],bh		 

		test	ax,bx
		mov	al, RING_WAKEUP_ENABLED		;current ON
		jnz	short @F
		xor	al, al				;current OFF
	@@:
		ret

CT_RING_WAKEUP_STATUS	Endp