csio.h

PPPoE协议在Psos中的实现源代码

/************************************************************************/
/*                                                                      */
/*   MODULE:     csio.h                                                 */
/*   DATE:       12/7/2000                                              */
/*   PURPOSE:    Crystal Semiconductor CS8900 driver for pSOS/Trimedia  */
/*   PROGRAMMER: fangpeng		                                */
/*                                                                      */
/*----------------------------------------------------------------------*/
/*                                                                      */
/*               Copyright 2000, fangpeng.			        */
/*                      ALL RIGHTS RESERVED                             */
/*                                                                      */
/************************************************************************/

#ifndef _CSIO_H
#define _CSIO_H

#include "sys_conf.h"
#include "mybsp.h"
#include "cs8900a.h"
#include <tm1\tmXIO.h>

#include "errno.h"
#include <stdio.h>
#include <psos.h>
#include <tmlib/tmtypes.h>
#include <assert.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <stdlib.h>
#include <tmlib/dprintf.h>


#if defined(__cplusplus)
extern "C" {
#endif

/* some functions to r/w Cs8900A_XIO  */ 
/* *********had defined the followings **********/
/* BSP_CS8900_IO_BASE      0x0300    Base address of IO ports */
/* BSP_CS8900_MEM_BASE     0x01000  Base address of PacketPage */
/*--------------------------- macros  in tmxio.h---------------------------------------*/
/* #define xioRead(xio_addr)  \
    ((*((unsigned long *)((xioGetCTL_ADDRESS << XIO_CTL_ADDRESS_SHIFT) + (xio_addr) * 4))) >> 24)

#define xioWrite(xio_addr, value) \
    (*((unsigned long *)((xioGetCTL_ADDRESS << XIO_CTL_ADDRESS_SHIFT) + (xio_addr) * 4))) = (((value) << 24) + 0x00ffffff)
*/
      
/*  usage  */
/* enable the xio address.*/
/* MMIO(XIO_CTL) = 0x5800079f;  0B 0101,1000,0000,0000,0000,0111,1001,1111
bit31-26=0101,10 : +low_24bit+xx is specific XIO device memory space 
bit25-11 :unused 
bit10-8=111 :   wait 7 clocks
bit7 =1   :XIO Bus enabled
bit6-5 : unused
bit4-0 =1,1111  :f=4.16MHZ   if internal HIGH bus=133MHZ
then access address in these space by defining all 32-bit PCI address in these space
or by xioRead(xio_addr) and xio_addr(xio_addr,value)  MACRO  */

#define myxioRead(xio_addr)  \
    ((*((volatile unsigned long *)(0x58000000 + (xio_addr) * 4))) >> 24)

#define myxioWrite(xio_addr, value) \
    (*((volatile unsigned long *)(0x58000000 + (xio_addr) * 4))) = (((value) << 24) + 0x00ffffff)

    

/* ALL xio DEVICE in 0x58000000 */
#define CS_PCI_BASE  0x58800000  
#define CS_XIO_BASE  0x200000 
/*RomA20 =0 ->Read;    =1 -> Write */
/*A23=A22=0,A21=1->chipsel# */
/* ROMA0 =0 ->16bit cs8900a R/W, =1 ->8bit R/W EPLD data regisers */
/* ROMA12=0 ->IO ,=1 MEM */
#define CS_XIO_Write_IO_BASE  0x300300  /*A20=1,A12=0 */
#define CS_XIO_Read_IO_BASE 0x200300  /*A20=0,A12=0 */
#define CS_XIO_Write_MEM_BASE  0x301000 /*A20=1,A12=1 */
#define CS_XIO_Read_MEM_BASE 0x201000 /*A20=0,A12=1 */

/*define for cs8900a */
/* Because Macro will cause argument parameters ,
so I use functions instead of macros */

/* #define inb(cs_addr)   xioRead(cs_addr+CS_XIO_8_IO_BASE)   
#define outb(cs_addr,value)  xioWrite(cs_addr+CS_XIO_8_IO_BASE,value)  
#define inw(cs_addr) \
    ((xioRead(cs_addr+CS_XIO_16_IO_BASE))+(xioRead(cs_addr+CS_XIO_16_IO_BASE))<<8)
#define outw(cs_addr,value) {\
      xioWrite(cs_addr+CS_XIO_16_IO_BASE,value>>8);\
      xioWrite(cs_addr+CS_XIO_16_IO_BASE,value);\
      }

#define inMEMb(cs_addr)   xioRead(cs_addr+CS_XIO_8_MEM_BASE)   
#define outMEMb(cs_addr,value)  xioWrite(cs_addr+CS_XIO_8_MEM_BASE,value)  
#define inMEMw(cs_addr) \
    ((xioRead(cs_addr+CS_XIO_16_MEM_BASE))+(xioRead(cs_addr+CS_XIO_16_MEM_BASE))<<8)
#define outMEMw(cs_addr,value) {\
      xioWrite(cs_addr+CS_XIO_16_MEM_BASE,value>>8);\
      xioWrite(cs_addr+CS_XIO_16_MEM_BASE,value);\
	}
*/

unsigned char inb(unsigned long PortAddr);
unsigned short inw(unsigned long PortAddr);
void outw(unsigned long PortAddr,unsigned short value);

unsigned short inMEMw(unsigned short *MemAddr);
void outMEMw(unsigned short *MemAddr,unsigned short value);
unsigned char inMEMb(unsigned short *MemAddr);
void outMEMb(unsigned short *MemAddr,unsigned short value);


#if defined(__cplusplus)
}
#endif

#endif /* _CSIO_H */