📄 chippost.asm
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call X_Set_Ct ;R29
ret
X_Get_set_ct endp
;[]==============================================================[]
; X_Get_Set_Ct_OR(Get_Set_PCI_OR):
; Changes a value in the chipset register.
; Input : CX = Index register to change
; bl = Value to change (OR)
; Output : None
; Destory: EAX, ECX, DX
;
;[]==============================================================[]
Public X_Get_Set_Ct_OR
X_Get_Set_Ct_OR proc near
call X_Get_Ct
or al, bl ;OR data
call X_Set_Ct
ret
X_Get_Set_Ct_OR endp
;[]==============================================================[]
; X_Get_Set_Ct_AND(Get_Set_PCI_AND):
; Changes a value in the chipset register.
; Input : CX = Index register to change.
; bl = Value to change (AND)
; Output : None
; Destory: EAX, ECX, DX
;
;[]==============================================================[]
Public X_Get_Set_Ct_AND
X_Get_Set_Ct_AND proc near
call X_Get_Ct
and al, bl ;AND data
call X_Set_Ct
ret
X_Get_Set_Ct_AND endp
;[]==============================================================[]
; X_Set_Ct_Clear(_Set_PCI_Clear):
; Clear a value in the chipset register.
; Input : CX = Index register to change.
; Output : None
; Destory: EAX, ECX, DX
;
;[]==============================================================[]
Public X_Set_Ct_Clear
X_Set_Ct_Clear proc near
xor al,al ; Zero
call X_Set_Ct ; Clear
ret
X_Set_Ct_Clear endp
;[]==============================================================[]
; X_get_PMIO:
; Reads a value directly from the chipset register.
;
; Input : CX = Index value of IO port
; Output : AL = Value read
; Destory: EAX
;[]==============================================================[]
Public X_Get_PMIO
X_Get_PMIO proc near
F000_call Get_PMIO
ret
X_Get_PMIO endp
;[]==============================================================[]
; X_set_pmio:
; Changes a value in the chipset register.
; Input : CX = Index port to change
; AL = Value to change
; Output : None
; Destory: EAX
;
;[]==============================================================[]
Public X_Set_PMIO
X_Set_PMIO proc near
F000_call Set_PMIO
ret
X_Set_PMIO endp
;[]==============================================================[]
; X_Get_set_pmio:
; Changes a value in the chipset register.
; Input : CX = Index port to change
; AX = Value to change, AL: AND Value, AH : OR value
; Output : None
; Destory: EAX
;
;[]==============================================================[]
Public X_Set_PMIO
X_Get_Set_PMIO proc near
Post_Func_call E000_Get_Set_PMIO
ret
X_Get_Set_PMIO endp
;[]==============================================================[]
; X_Get_set_pmio_OR:
; Changes a value in the chipset register.
; Input : CX = Index port to change
; AL : OR value
; Output : None
; Destory: EAX
;
;[]==============================================================[]
Public X_Get_Set_PMIO
X_Get_Set_PMIO_OR proc near
Post_Func_call E000_Get_Set_PMIO_OR
ret
X_Get_Set_PMIO_OR endp
;[]==============================================================[]
; X_Get_set_pmio_AND:
; Changes a value in the chipset register.
; Input : CX = Index port to change
; AX = Value to change, AL: AND Value, AH : OR value
; Output : None
; Destory: EAX
;
;[]==============================================================[]
Public X_Get_Set_PMIO_AND
X_Get_Set_PMIO_AND proc near
Post_Func_call E000_Get_Set_PMIO_AND
ret
X_Get_Set_PMIO_AND endp
ifdef SMBus_Port
Public X_Ct_Get_Row_Map
X_Ct_Get_Row_Map Proc Near
mov cx,VT692+60h ; AL : bit0/1 bit2/3 bit4/5
call X_Get_CT ; Bank : 0/1 2/3 4/5
; if '10b' mean SDRAM !
test al, 02h
jnz short @f
and al, not 01h
@@:
test al, 08h
jnz short @f
and al, not 04h
@@:
test al, 20h
jnz short @f
and al, not 10h
@@:
ret
X_Ct_Get_Row_Map Endp
endif; SMBus_Port
ifdef Boot_Password
;[]===========================================================[]
;[]===========================================================[]
public Ct_SAVE_BOOT_PASSWORD
Ct_SAVE_BOOT_PASSWORD Proc Near
pusha
mov bx, ax
mov al,BOOTPASS_LOC1
mov ah,bl
F000_Call Set_CMOS2
mov al,BOOTPASS_LOC2
mov ah,bh
F000_Call Set_CMOS2
popa
ret
Ct_SAVE_BOOT_PASSWORD Endp
Cmp_BootPassword proc near
mov bx, ax
ror ebx,16
mov al,BOOTPASS_LOC1
F000_Call Get_CMOS2
mov bl,al
mov al,BOOTPASS_LOC2
F000_Call Get_CMOS2
mov bh,al
ror ebx,16
mov ax,bx
ror ebx,16
cmp ah,bh
jne short @F
cmp al,bl
@@:
ret
Cmp_BootPassword endp
public xVerify_BootPass
xVerify_BootPass proc far
push word ptr ATTRIBUTE[bp]
push word ptr TEMP_YEAR[bp]
push ds
mov si, SEG DGROUP
mov ds, si
test byte ptr BOOTPASS_CMOS[bp], BOOTPASS_CMOS_BIT ;booting need pass?
jz Verify_Pass_Exit ;no, exit
mov ax,3
int 10h
extrn Backup_pass_screen:near
call Backup_pass_screen
Chk_Super_Pass:
mov byte ptr CUR_PAGE[bp], 0 ; don't update time
mov word ptr LAST_KEY[bp], 0 ; dummy word
extrn Get_Password:near
call Get_Password
call Cmp_BootPassword
je Password_Valid
extrn Error_PassWord:near
Call Error_PassWord
jmp Chk_Super_Pass
Password_Valid:
extrn Restore_pass_screen:near
call Restore_pass_screen
Verify_Pass_Exit:
pop ds
pop word ptr TEMP_YEAR[bp] ;use this word
pop word ptr ATTRIBUTE[bp]
retf
xVerify_BootPass endp
endif; Boot_Password
X_CT_FINAL_INIT Proc Far
ifdef Have_BankInterleave_Item
ifdef Have_Page_Mode_Item
pusha
;---------------------------------------;
; Set DRAM Page Mode ;
;---------------------------------------;
mov si,offset DRAM_Page_Mode_Item
call X_GetItem_Value
or al,al
jz short Disable_DRAM_Page_Mode
call Test_DRAM ;If Fast Page DRAM exist ?
cmp al,1 ;
jz short Disable_DRAM_Page_Mode ;Yes, jmp !
ifdef Disable_Page_When_100MHz
call X_If_100MHz_DRAM_Clock ; if 100MHz ?
jc short Disable_DRAM_Page_Mode ; Yes, jmp !
endif; Disable_Page_When_100MHz
mov cx, VT692+6bh
mov bl, 01h ;RX6b[0]=1
call X_Get_Set_Ct_OR
ifndef No_Only_EDO_Page_Mode
call X_check_sdram ; If SDRAM DRAM exist ?
jnz short Only_EDO_Page_Mode ; No, jmp !
endif; No_Only_EDO_Page_Mode
mov si,offset SDRAM_BK_Item
call X_GetItem_Value
or al,al ; If set Disable?
jz short Disable_DRAM_Page_Mode ; Yes, jmp!
mov bh, al
mov bl, al
or bl, 0FCh ; mask bit 1,0
mov cx, VT692+60h ;
call X_Get_Ct ;
mov si,ax ;Save DRAM type to SI.
test si,02h ; Enable Bank Interleave
jz short @f ; according to your setting.
mov cx, VT692+64h ;
call X_Get_Set_Ct ;
@@: ;
test si,08h ;
jz short @f ;
mov cx, VT692+65h ;
call X_Get_Set_Ct ;
@@: ;
test si,20h ;
jz short @f ;
mov cx, VT692+66h ;
call X_Get_Set_Ct ;
@@:
Only_EDO_Page_Mode:
mov cx, VT692+68h ;
mov bl, 0c0h ; RX68[6,7]=11b
call X_Get_Set_Ct_OR ;
Disable_DRAM_Page_Mode:
popa
endif; Have_Page_Mode_Item
endif; Have_BankInterleave_Item
ifdef Disable_Page_Mode_When_Over_75MHz
Call X_If_100MHz_DRAM_Clock ; if 100MHz ?
jc short Disable_DRAM_Page_Mode_ ; Yes, jmp !
jmp short @f
Disable_DRAM_Page_Mode_:
mov cx, VT692+6bh
mov bl, not 01h ;RX6b[0]=0
call X_Get_Set_Ct_AND
@@:
endif; Disable_Page_Mode_When_Over_75MHz
;-------------------------------;
; PCI Master Read Prefetch ;
; by enhanced command ;
; VT692_PP RX42[7] = ;
; VT692 RX74[7] ;
;-------------------------------;
mov cx, VT692+74h
call X_Get_Ct
and al,80h
mov bh,al
mov cx, VT692_PP+42h
mov bl,7fh
call X_Get_Set_Ct
;-------------------------------;
; Set Delay Transaction ;
;-------------------------------;
xor bx, bx
mov si, offset Delay_Trans_Item
call X_GetItem_Value
or al, al
jz short @F
mov bh, 46h ; 47[6][2][1]
@@:
mov cx, VT586+47h
call X_Get_Ct
and al, NOT 046h
or al, bh
call X_Set_Ct
ifdef Patch_Old_IDE_Driver_When_IDE_Disabled
;-------------------------------;
; Set Register if IDE Disable ;
;-------------------------------;
;Disable command register if both IDE channel are disabled
mov cx,VT586_IDE+40H ;check if both IDE disabled
call X_Get_Ct
test al,11b ;both channel disabled ?
jnz short AtLeast_OneCh
mov cx,VT586_IDE+4H ;command register
call X_Set_Ct_Clear ;disable I/O & Mem. access
AtLeast_OneCh:
mov cx,VT586_IDE+3cH ;set no IRQ required
call X_Set_Ct_Clear
mov cx,VT586_IDE+45H
mov bl, 10h ;lock register 3CH
call X_Get_Set_Ct_OR
mov ax,VT586_IDE+20H ;Read Bus Master Bus Address
mov dx,0cf8h ;
out dx,eax ;
add dx,4 ;
in ax,dx ;
and ax, not 03h ;
mov dx,ax ;
add dx,02h ; Addr + 2 = Channel 0
mov al,60h ; bit 6,5 = 1
out dx,al
add dx,08h ; Addr + 10 = Channel 1
out dx,al
endif; Patch_Old_IDE_Driver_When_IDE_Disabled
ifdef VT586_USB
ifdef USB2_Separate_Control ;R31 - starts
;-----------------------;
; En/Disable USB 1 ;
;-----------------------;
mov bx, 00FBh ; Set Enable USB
mov si,offset ONBD_USB_Item
call X_Getitem_Value ;R31A
;R31A call F000_Getitem_Value
or al,al
jz short @f ; if Enable, jmp!
mov bx, 04FFh ; Set Disable USB
mov cx, VT586_USB+3Ch
call X_Set_Ct_Clear ;R31A disable USB IO
;R31A call _Set_Ct_Clear ;disable USB IRQ
mov cx, VT586_USB+04h
call X_Set_Ct_Clear ;R31A disable USB IO
;R31A call _Set_Ct_Clear ;disable USB IO
@@:
mov cx, VT586 + 48h ; Set Onchip USB En/Disable
call X_Get_Set_Ct ;R31A
;R31A call _Get_Set_Ct
;-----------------------;
; En/Disable USB 2 ;
;-----------------------;
mov bx, 00EFh ; Set Enable USB 2
mov si,offset ONBD_USB_2_Item
call X_Getitem_Value ;R31A
;R31A call F000_Getitem_Value
or al,al
jz short @f ; if Enable, jmp!
mov bx, 10FFh ; Set Disable USB 2
mov cx, VT586_USB_2+3Ch
call X_Set_Ct_Clear ;R31A
;R31A call _Set_Ct_Clear ;disable USB 2 IRQ
mov cx, VT586_USB_2+04h
call X_Set_Ct_Clear ;R31A
;R31A call _Set_Ct_Clear ;disable USB 2 IO
@@:
mov cx, VT586 + 85h ; Set Onchip USB 2 En/Disable
call X_Get_Set_Ct ;R31A
;R31A call _Get_Set_Ct ;
else; USB2_Separate_Control ;R31 - ends
;-------------------------------;
; Disable USB IO if USB Disable ;
;-------------------------------;
mov bx, 00FBh ; Set Enable USB
ifdef VT586_USB_2 ;R28
mov di, 00EFh ;R28 Set Enable USB 2
endif; VT586_USB_2 ;R28
mov si,offset ONBD_USB_Item
call X_Getitem_Value
or al,al
jz short @f ; if Enable, jmp!
mov bx, 04FFh ; Set Disable USB
ifdef VT586_USB_2 ;R28
mov di, 10FFh ;R28 Set Disable USB 2
endif; VT586_USB_2 ;R28
mov cx, VT586_USB+3Ch
call X_Set_Ct_Clear ;disable USB IRQ
mov cx, VT586_USB+04h
call X_Set_Ct_Clear ;disable USB IO
ifdef VT586_USB_2 ;R28
mov cx, VT586_USB_2+3Ch ;R28
call X_Set_Ct_Clear ;R28 disable USB 2 IRQ
mov cx, VT586_USB_2+04h ;R28
call X_Set_Ct_Clear ;R28 disable USB 2 IO
endif; VT586_USB_2 ;R28
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