Intel MB896 User Manual page 66

APPENDIX
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);
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
//===========================================================================
#define W627EHF_INDEX_PORT
62
}
1
(W627EHF_BASE)
MB896 User' s Manual