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/*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define LIB_C
static const char ThisFile[] = "LIB.c";
#include "SWFUNC.H"
#ifdef SLT_UBOOT
#include <common.h>
#include <command.h>
#endif
#ifdef SLT_DOS
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <conio.h>
#include <dos.h>
#include <mem.h>
#endif
#include "LIB.H"
#include "TYPEDEF.H"
#ifdef USE_P2A
//------------------------------------------------------------
// PCI
//------------------------------------------------------------
ULONG ReadPCIReg (ULONG ulPCIConfigAddress, BYTE jOffest, ULONG ulMask)
{
#ifndef Windows
OUTDWPORT(0xcf8, ulPCIConfigAddress + jOffest);
return (((ULONG)INDWPORT(0xcfc)) & ulMask);
#else
WRITE_PORT_ULONG((PULONG)0xcf8, ulPCIConfigAddress + jOffest);
return (READ_PORT_ULONG((PULONG)0xcfc) & ulMask);
#endif
}
//------------------------------------------------------------
VOID WritePCIReg (ULONG ulPCIConfigAddress, BYTE jOffest, ULONG ulMask, ULONG ulData)
{
#ifndef Windows
OUTDWPORT(0xcf8, ulPCIConfigAddress + jOffest);
OUTDWPORT(0xcfc, (INDWPORT(0xcfc) & ulMask | ulData));
#else
WRITE_PORT_ULONG((PULONG)0xcf8, ulPCIConfigAddress + jOffest);
WRITE_PORT_ULONG((PULONG)0xcfc, (READ_PORT_ULONG((PULONG)0xcfc) & ulMask | ulData));
#endif
}
//------------------------------------------------------------
ULONG FindPCIDevice (USHORT usVendorID, USHORT usDeviceID, USHORT usBusType)
{
//Return: ulPCIConfigAddress
//usBusType: ACTIVE/PCI/AGP/PCI-E
ULONG Base[256];
ULONG ebx;
USHORT i;
USHORT j;
for (i = 0; i < 256; i++) {
Base[i] = 0x80000000 + 0x10000 * i;
}
if (usBusType == PCI)
{
ebx = 0x80000000;
}
else if (usBusType == PCIE)
{
ebx = 0x80020000;
}
else // AGP and ACTIVE
{
ebx = 0x80010000;
}
if ( usBusType != ACTIVE ) //AGP, PCI, PCIE
{
for (i = 0; i < 32; i++)
{
ebx = ebx + (0x800);
if (((USHORT)ReadPCIReg(ebx, 0, 0xffff) == usVendorID) && ((USHORT)(ReadPCIReg(ebx, 0, 0xffff0000) >> 16) == usDeviceID))
{
return ebx;
}
}
return 0;
}
else //ACTIVE
{
for (j = 0; j < 256; j++)
{
ebx = Base[j];
for (i = 0; i < 32; i++)
{
ebx = ebx + (0x800);
if (((USHORT)ReadPCIReg(ebx, 0, 0xffff) == usVendorID) && ((USHORT)(ReadPCIReg(ebx, 0, 0xffff0000) >> 16) == usDeviceID))
{
return ebx;
}
}
}
return 0;
}
} // End ULONG FindPCIDevice (USHORT usVendorID, USHORT usDeviceID, USHORT usBusType)
#endif
//------------------------------------------------------------
// Allocate Resource
//------------------------------------------------------------
#ifdef SLT_DOS
ULONG InitDOS32()
{
union REGS regs ;
regs.w.ax = 0xee00;
INTFUNC(0x31, ®s, ®s) ;
if(regs.w.ax >= 0x301) // DOS32 version >= 3.01 ?
return 1;
else
return 0;
}
//------------------------------------------------------------
USHORT CheckDOS()
{
union REGS regs;
regs.w.ax = 0xeeff;
int386(0x31, ®s, ®s);
if (regs.x.eax == 0x504d4457)
{
return 0;
} else {
printf("PMODEW Init. fail\n");
return 1;
}
}
//------------------------------------------------------------
ULONG MapPhysicalToLinear (ULONG ulBaseAddress, ULONG ulSize)
{
union REGS regs;
regs.w.ax = 0x0800; // map physcial memory
regs.w.bx = ulBaseAddress >> 16; // bx:cx = physical address
regs.w.cx = ulBaseAddress;
regs.w.si = ulSize >> 16; // si:di = mapped memory block size
regs.w.di = ulSize;
INTFUNC(0x31, ®s, ®s); // int386(0x31, ®s, ®s);
if (regs.w.cflag == 0)
return (ULONG) (regs.w.bx << 16 + regs.w.cx); // Linear Addr = bx:cx
else
return 0;
}
//------------------------------------------------------------
USHORT FreePhysicalMapping(ULONG udwLinAddress)
{
union REGS regs;
regs.w.ax = 0x0801;
regs.w.bx = udwLinAddress >> 16;
regs.w.cx = udwLinAddress & 0xFFFF;
int386(0x31, ®s, ®s);
if (regs.x.cflag)
return ((USHORT) 0);
else return ((USHORT) 1);
}
#endif
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