Intel MB896 , 62 MB896 Users Manual

APPENDIX

62 MB896 User’s Manual

ucDid = Get_W627EHF_Reg(0x20);

if (ucDid == 0x88)

{ goto Init_Finish; }

W627EHF_BASE = 0x00;

result = W627EHF_BASE;

Init_Finish:

return (result);

}

//===========================================================================

void Unlock_W627EHF (void)

{

outportb(W627EHF_INDEX_PORT, W627EHF_UNLOCK);

}

//===========================================================================

void Lock_W627EHF (void)

{

outportb(W627EHF_INDEX_PORT, W627EHF_LOCK);

}

//===========================================================================

void Set_W627EHF_LD( unsigned char LD)

{

Unlock_W627EHF();

outportb(W627EHF_INDEX_PORT, W627EHF_REG_LD);

outportb(W627EHF_DATA_PORT, LD);

Lock_W627EHF();

}

//===========================================================================

void Set_W627EHF_Reg( unsigned char REG, unsigned char DATA)

{

Unlock_W627EHF();

outportb(W627EHF_INDEX_PORT, REG);

outportb(W627EHF_DATA_PORT, DATA);

Lock_W627EHF();

}

//===========================================================================

unsigned char Get_W627EHF_Reg(unsigned char REG)

{

unsigned char Result;

Unlock_W627EHF();

outportb(W627EHF_INDEX_PORT, REG);

Result = inportb(W627EHF_DATA_PORT);

Lock_W627EHF();

return Result;

}

//===========================================================================

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY

// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR

// PURPOSE.

//===========================================================================

#ifndef __W627EHF_H

#define __W627EHF_H 1

//===========================================================================

#define W627EHF_INDEX_PORT (W627EHF_BASE)