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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 IO_C
static const char ThisFile[] = "IO.c";
#include "SWFUNC.H"
#if defined(LinuxAP)
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <pthread.h>
#include <sys/mman.h>
#include <sys/io.h>
#endif
#ifdef SLT_UBOOT
#include <common.h>
#include <command.h>
#include <post.h>
#include <malloc.h>
#include <net.h>
#include <COMMINF.H>
#endif
#ifdef SLT_DOS
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <conio.h>
#include <dos.h>
#include <mem.h>
#include "TYPEDEF.H"
#include "LIB.H"
#include "COMMINF.H"
#endif
#include "TYPEDEF.H"
#include "IO.H"
#include "LIB_SPI.H"
#ifdef SPI_BUS
#endif
#ifdef USE_LPC
USHORT usLPCPort;
#endif
#ifdef USE_P2A
#endif
#ifdef USE_LPC
//------------------------------------------------------------
// LPC access
//------------------------------------------------------------
void open_aspeed_sio_password(void)
{
ob (usLPCPort, 0xaa);
ob (usLPCPort, 0xa5);
ob (usLPCPort, 0xa5);
}
//------------------------------------------------------------
void close_aspeed_sio_password(void)
{
ob (usLPCPort, 0xaa);
}
//------------------------------------------------------------
void enable_aspeed_LDU(BYTE jldu_number)
{
ob (usLPCPort, 0x07);
ob ((usLPCPort + 1), jldu_number);
ob (usLPCPort, 0x30);
ob ((usLPCPort + 1), 0x01);
}
//------------------------------------------------------------
void disable_aspeed_LDU(BYTE jldu_number)
{
ob (usLPCPort, 0x07);
ob ((usLPCPort + 1), jldu_number);
ob (usLPCPort, 0x30);
ob ((usLPCPort + 1), 0x00);
}
//------------------------------------------------------------
/*
ulAddress = AHB address
jmode = 0: byte mode
1: word mode
2: dword mode
*/
static ULONG lpc_read (ULONG ulAddress, BYTE jmode)
{
ULONG uldata = 0;
ULONG ultemp = 0;
BYTE jtemp;
//Write Address
ob ( usLPCPort, 0xf0);
ob ( (usLPCPort + 1 ), ((ulAddress & 0xff000000) >> 24));
ob ( usLPCPort, 0xf1);
ob ( (usLPCPort + 1) , ((ulAddress & 0x00ff0000) >> 16));
ob ( usLPCPort, 0xf2);
ob ( (usLPCPort + 1), ((ulAddress & 0x0000ff00) >> 8));
ob ( usLPCPort, 0xf3);
ob ( (usLPCPort + 1), ulAddress & 0xff);
//Write Mode
ob (usLPCPort, 0xf8);
jtemp = ib ((usLPCPort + 1));
ob ((usLPCPort + 1), ((jtemp & 0xfc) | jmode));
//Fire
ob (usLPCPort, 0xfe);
jtemp = ib ((usLPCPort + 1));
//Get Data
switch ( jmode )
{
case 0:
ob (usLPCPort, 0xf7);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp);
break;
case 1:
ob (usLPCPort, 0xf6);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp << 8);
ob (usLPCPort, 0xf7);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp << 0);
break;
case 2:
ob (usLPCPort, 0xf4);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp << 24);
ob (usLPCPort, 0xf5);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp << 16);
ob (usLPCPort, 0xf6);
ultemp = ib ((usLPCPort + 1));
uldata |= (ultemp << 8);
ob (usLPCPort, 0xf7);
ultemp = ib ((usLPCPort + 1));
uldata |= ultemp;
break;
} // End switch ( jmode )
return uldata;
} // End static ULONG lpc_read (ULONG ulAddress, BYTE jmode)
//------------------------------------------------------------
static void lpc_write (ULONG ulAddress, ULONG uldata, BYTE jmode)
{
BYTE jtemp;
//Write Address
ob ( usLPCPort, 0xf0);
ob ((usLPCPort + 1), ((ulAddress & 0xff000000) >> 24));
ob ( usLPCPort, 0xf1);
ob ((usLPCPort + 1), ((ulAddress & 0x00ff0000) >> 16));
ob ( usLPCPort, 0xf2);
ob ((usLPCPort + 1), ((ulAddress & 0x0000ff00) >> 8));
ob ( usLPCPort, 0xf3);
ob ((usLPCPort + 1), ulAddress & 0xff);
//Write Data
switch ( jmode )
{
case 0:
ob ( usLPCPort, 0xf7);
ob ((usLPCPort + 1), (uldata & 0xff));
break;
case 1:
ob ( usLPCPort, 0xf6);
ob ((usLPCPort + 1), ((uldata & 0xff00) >> 8));
ob ( usLPCPort, 0xf7);
ob ((usLPCPort + 1), (uldata & 0x00ff));
break;
case 2:
ob ( usLPCPort, 0xf4);
ob ((usLPCPort + 1), ((uldata & 0xff000000) >> 24));
ob ( usLPCPort, 0xf5);
ob ((usLPCPort + 1), ((uldata & 0x00ff0000) >> 16));
ob ( usLPCPort, 0xf6);
ob ((usLPCPort + 1), ((uldata & 0x0000ff00) >> 8));
ob ( usLPCPort, 0xf7);
ob ((usLPCPort + 1), uldata & 0xff);
break;
} // End switch ( jmode )
//Write Mode
ob (usLPCPort, 0xf8);
jtemp = ib ((usLPCPort + 1));
ob ((usLPCPort + 1), ((jtemp & 0xfc) | jmode));
//Fire
ob (usLPCPort, 0xfe);
ob ((usLPCPort + 1), 0xcf);
} // End static void lpc_write (ULONG ulAddress, ULONG uldata, BYTE jmode)
//------------------------------------------------------------
static USHORT usLPCPortList[] = {0x2e, 0x4e, 0xff};
int findlpcport(BYTE jldu_number)
{
USHORT *jLPCPortPtr;
ULONG ulData;
jLPCPortPtr = usLPCPortList;
while (*(USHORT *)(jLPCPortPtr) != 0xff )
{
usLPCPort = *(USHORT *)(jLPCPortPtr++);
open_aspeed_sio_password();
enable_aspeed_LDU(0x0d);
ulData = lpc_read(0x1e6e207c, 2);
if ( (ulData != 0x00000000) &&
(ulData != 0xFFFFFFFF) )
{
printf("Find LPC IO port at 0x%2x \n", usLPCPort);
return 1;
}
disable_aspeed_LDU(0x0d);
close_aspeed_sio_password();
}
//printf("[Error] Fail to find proper LPC IO Port \n");
return 0;
}
#endif // End ifdef USE_LPC
#ifdef USE_P2A
//------------------------------------------------------------
// A2P Access
//------------------------------------------------------------
void mm_write (ULONG addr, ULONG data, BYTE jmode)
{
*(ULONG *) (mmiobase + 0xF004) = (ULONG) ((addr) & 0xFFFF0000);
*(ULONG *) (mmiobase + 0xF000) = (ULONG) 0x00000001;
switch ( jmode )
{
case 0:
*(BYTE *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) = (BYTE) data;
break;
case 1:
*(USHORT *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) = (USHORT) data;
break;
case 2:
default:
*(ULONG *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) = data;
break;
} //switch
}
//------------------------------------------------------------
ULONG mm_read (ULONG addr, BYTE jmode)
{
*(ULONG *) (mmiobase + 0xF004) = (ULONG) ((addr) & 0xFFFF0000);
*(ULONG *) (mmiobase + 0xF000) = (ULONG) 0x00000001;
switch (jmode)
{
case 0:
return ( *(BYTE *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) );
break;
case 1:
return ( *(USHORT *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) );
break;
default:
case 2:
return ( *(ULONG *) (mmiobase + 0x10000 + ((addr) & 0x0000FFFF)) );
break;
} //switch
return 0;
}
#endif // End ifdef USE_P2A
//------------------------------------------------------------
// General Access API
//------------------------------------------------------------
#ifdef SLT_UBOOT
BYTE Check_BEorLN ( ULONG chkaddr )
{
BYTE ret = BIG_ENDIAN_ADDRESS;
BYTE i = 0;
do {
if ( LittleEndianArea[i].StartAddr == LittleEndianArea[i].EndAddr )
break;
if ( ( LittleEndianArea[i].StartAddr <= chkaddr ) &&
( LittleEndianArea[i].EndAddr >= chkaddr ) ) {
ret = LITTLE_ENDIAN_ADDRESS;
break;
}
i++;
} while ( 1 );
return ret;
}
#endif
void WriteSOC_DD(ULONG addr, ULONG data)
{
#ifdef SLT_UBOOT
if ( Check_BEorLN( addr ) == BIG_ENDIAN_ADDRESS )
*(volatile unsigned long *)(addr) = cpu_to_le32(data);
else
*(volatile unsigned long *)(addr) = data;
#else
#ifdef USE_LPC
lpc_write(addr, data, 2);
#endif
#ifdef USE_P2A
mm_write(addr, data, 2);
#endif
#endif
}
//------------------------------------------------------------
ULONG ReadSOC_DD(ULONG addr)
{
#ifdef SLT_UBOOT
if ( Check_BEorLN( addr ) == BIG_ENDIAN_ADDRESS )
return le32_to_cpu(*(volatile unsigned long *) (addr));
else
return (*(volatile unsigned long *) (addr));
#else
#ifdef USE_LPC
return (lpc_read(addr, 2));
#endif
#ifdef USE_P2A
return (mm_read(addr, 2));
#endif
#endif
return 0;
}
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