/* sysSerial.c - Samsung SBC ARM7 serial device initialization *//* Copyright 1984-2001 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01c,10jul01,g_h  add #include "sngks32cSio.c" instead of the makefile01b,26apr01,m_h  convert tabs to spaces for readability01a,12apr01,m_h  created from snds100 template.*//*DESCRIPTIONThis file contains the board-specific routines for serial channelinitialization of the Samsung SBC ARM7 development board.INCLUDES:sngks32cSio.hSEE ALSO:<Samsung KS32C50100 Microcontroller User's Manual>*/#include "vxWorks.h"#include "iv.h"#include "intLib.h"#include "config.h"#include "sysLib.h"#include "sngks32cSio.h"#include "wrSbcArm7.h"#include "sngks32cSio.c"/* device initialization structure */typedef struct    {    UINT  vectorRx;    UINT  vectorTx;    UINT32 *baseAdrs;    UINT  regSpace;    UINT  intLevelRx;    UINT  intLevelTx;    } SBCARM7_CHAN_PARAS;/* Local data structures */LOCAL SBCARM7_CHAN_PARAS devParas[] =    {      {INT_VEC_UARTRX0, INT_VEC_UARTTX0, (UINT32 *)SERIAL_A_BASE_ADR, UART_REG_ADDR_INTERVAL,       INT_LVL_UARTRX0, INT_LVL_UARTTX0},      {INT_VEC_UARTRX1, INT_VEC_UARTTX1, (UINT32 *)SERIAL_B_BASE_ADR, UART_REG_ADDR_INTERVAL,      INT_LVL_UARTRX1, INT_LVL_UARTTX1}    }; LOCAL SNGKS32C_CHAN sngks32cChan[N_SBCARM7_UART_CHANNELS];/* * Array of pointers to all serial channels configured in system. * See sioChanGet(). It is this array that maps channel pointers * to standard device names.  The first entry will become "/tyCo/0", * the second "/tyCo/1", and so forth. */SIO_CHAN * sysSioChans [] =    {    &sngks32cChan[0].sio, /* /tyCo/0 */    &sngks32cChan[1].sio, /* /tyCo/1 */    };/* forward declarations *//******************************************************************************** sysSerialHwInit - initialize the BSP serial devices to a quiesent state** This routine initializes the BSP serial device descriptors and puts the* devices in a quiesent state.  It is called from sysHwInit() with* interrupts locked.** RETURNS: N/A** SEE ALSO: sysHwInit()*/void sysSerialHwInit (void)    {    int i;    for (i = 0; i < N_SBCARM7_UART_CHANNELS; i++)        {        sngks32cChan[i].regDelta = devParas[i].regSpace;        sngks32cChan[i].regs = devParas[i].baseAdrs;        sngks32cChan[i].baudRate = CONSOLE_BAUD_RATE;        sngks32cChan[i].intLevelRx = devParas[i].intLevelRx;        sngks32cChan[i].intLevelTx = devParas[i].intLevelTx;        /*         * Initialize driver functions, getTxChar, putRcvChar and channelMode         * and initialize UART         */        sngks32cDevInit(&sngks32cChan[i]);        }    }/******************************************************************************** sysSerialHwInit2 - connect BSP serial device interrupts** This routine connects the BSP serial device interrupts.  It is called from* sysHwInit2().  Serial device interrupts could not be connected in* sysSerialHwInit() because the kernel memory allocator was not initialized* at that point, and intConnect() may call malloc(). * * RETURNS: N/A ** SEE ALSO: sysHwInit2()*/void sysSerialHwInit2 (void)    {    int i;    for (i = 0; i < N_SBCARM7_UART_CHANNELS; i++)        {        /*         * Connect and enable the interrupt.         * We would like to check the return value from this and log a message         * if it failed. However, logLib has not been initialized yet, so we         * cannot log a message, so there's little point in checking it.         */        (void) intConnect (INUM_TO_IVEC(devParas[i].vectorTx),                           sngks32cIntTx, (int) &sngks32cChan[i] );        (void) intConnect (INUM_TO_IVEC(devParas[i].vectorRx),                           sngks32cIntRcv, (int) &sngks32cChan[i] );        intEnable (devParas[i].intLevelRx);        sngks32cDevInit2(&sngks32cChan[i]);        }    }/******************************************************************************** sysSerialChanGet - get the SIO_CHAN device associated with a serial channel** This routine returns a pointer to the SIO_CHAN device associated with* a specified serial channel.  It is called by usrRoot() to obtain* pointers when creating the system serial devices '/tyCo/x'.  It is also* used by the WDB agent to locate its 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** Reset all devices to prevent them from generating interrupts.** This is called from sysToMonitor to shutdown the system gracefully before* transferring to the bootroms.** RETURNS: N/A.*/void sysSerialReset (void)    {    int i;    for (i = 0; i < N_SBCARM7_UART_CHANNELS; i++)        {        /* disable serial interrupts */        intDisable (devParas[i].intLevelTx);        intDisable (devParas[i].intLevelRx);        }    }