sysserial.c

s3c2410 vxworks 的bsp

/* sysSerial.c - Samsung SBC ARM9 serial device initialization */

/* Copyright 1984-2001 Wind River Systems, Inc. */
#include "copyright_wrs.h"




#include "vxWorks.h"
#include "iv.h"
#include "intLib.h"
#include "config.h"
#include "sysLib.h"
#include "s3c2410xSio.h"

#include "wrSbcArm9.h"

#include "s3c2410xSio.c"

/* device initialization structure */

typedef struct
    {
    UINT  vector;
    UINT32 *baseAdrs;
    UINT  regSpace;
    UINT  intLevel;
    } SBCARM9_CHAN_PARAS;


/* Local data structures */

LOCAL SBCARM9_CHAN_PARAS devParas[] =
    {
      {INT_VEC_UART0, (UINT32 *)SERIAL_A_BASE_ADR, UART_REG_ADDR_INTERVAL, INT_LVL_UART0},
      {INT_VEC_UART1, (UINT32 *)SERIAL_B_BASE_ADR, UART_REG_ADDR_INTERVAL, INT_LVL_UART1 },
    };
 
LOCAL S3C2410X_CHAN s3c2410xChan[N_SBCARM9_UART_CHANNELS];


SIO_CHAN * sysSioChans [] =
    {
    &s3c2410xChan[0].sio, /* /tyCo/0 */
    &s3c2410xChan[1].sio, /* /tyCo/1 */
    };




void sysHwTestSnd(char sndChar)
{
	s3c2410xPollOutput((SIO_CHAN *)&s3c2410xChan[0] , sndChar);
}

void sysHwTestRecv(char *recv)
{	
	s3c2410xPollInput((SIO_CHAN *)&s3c2410xChan[0] , recv);
}

/******************************************************************************
*
* sysSerialHwInit - initialize the BSP serial devices to a quiesent state
*
*
* RETURNS: N/A
*
* SEE ALSO: sysHwInit()
*/

void sysSerialHwInit (void)
    {
    int i;

    for (i = 0; i < N_SBCARM9_UART_CHANNELS; i++)
        {
        s3c2410xChan[i].regDelta = devParas[i].regSpace;
        s3c2410xChan[i].regs = devParas[i].baseAdrs;
        s3c2410xChan[i].baudRate = CONSOLE_BAUD_RATE;
        s3c2410xChan[i].intLevelRx = devParas[i].intLevel;
        s3c2410xChan[i].intLevelTx = devParas[i].intLevel;


        s3c2410xDevInit(&s3c2410xChan[i]);
        }
	
    }

/******************************************************************************
*
* sysSerialHwInit2 - connect BSP serial device interrupts
*
* 
* RETURNS: N/A 
*
* SEE ALSO: sysHwInit2()
*/

void sysSerialHwInit2 (void)
    {
    int i;

    for (i = 0; i < N_SBCARM9_UART_CHANNELS; i++)
        {

        (void) intConnect (INUM_TO_IVEC(devParas[i].vector),
                           s3c2410xInt, (int) &s3c2410xChan[i] );
        
		s3c2410xDevInit2(&s3c2410xChan[i]);
        intEnable (devParas[i].intLevel);        
        }
    }

/******************************************************************************
*
* sysSerialChanGet - get the SIO_CHAN device associated with a serial channel
*
*
* RETURNS: A pointer to the SIO_CHAN structure for the channel, or ERROR
* if the channel is invalid.
*/

SIO_CHAN * sysSerialChanGet
    (
    int channel         /* serial channel */
    )
    {
    if (channel < 0 || channel >= (int)(NELEMENTS(sysSioChans)))
        return (SIO_CHAN *)ERROR;

    return sysSioChans[channel];
    }

/******************************************************************************
*
* sysSerialReset - reset the sio devices to a quiet state
*
*
* RETURNS: N/A.
*/

void sysSerialReset (void)
    {
    int i;

    for (i = 0; i < N_SBCARM9_UART_CHANNELS; i++)
        {
        /* disable serial interrupts */

        intDisable (devParas[i].intLevel);
        }
    }