/* sysSerial.c - ARM Integrator board serial device initialization *//* Copyright 1999-2000 ARM Limited *//* Copyright 1999-2000 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01c,21feb00,jpd  renamed primecell... symbols to primeCell...01b,26jan00,jpd  minor layout/style changes.01a,10nov99,ajb  copied from pid7t sysSerial.c.*//*DESCRIPTIONThis file contains the board-specific routines for serial channelinitialization of the ARM Integrator development board.SEE ALSO:.I "ARM Integrator AP User Guide (ARM DUI 0098).".I "UART (PL010) Technical Reference Manual (ARM DDI 0139)."*/#include "vxWorks.h"#include "iv.h"#include "intLib.h"#include "config.h"#include "sysLib.h"#include "primeCellSio.h"/* device initialization structure */typedef struct    {    UINT	vector;    UINT32 *	baseAdrs;    UINT	intLevel;    } SYS_AMBA_CHAN_PARAS;/* Local data structures */LOCAL SYS_AMBA_CHAN_PARAS devParas[] =    {      {INT_VEC_UART_0, (UINT32 *)UART_0_BASE_ADR, INT_LVL_UART_0},      {INT_VEC_UART_1, (UINT32 *)UART_1_BASE_ADR, INT_LVL_UART_1}    };LOCAL AMBA_CHAN ambaChan[N_AMBA_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 [] =    {    &ambaChan[0].sio, /* /tyCo/0 */    &ambaChan[1].sio, /* /tyCo/1 */    };/* forward declarations *//******************************************************************************** sysSerialHwInit - initialize the BSP serial devices to a quiescent 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_AMBA_UART_CHANNELS; i++)	{	ambaChan[i].regs = devParas[i].baseAdrs;	ambaChan[i].baudRate = CONSOLE_BAUD_RATE;	ambaChan[i].xtal = UART_XTAL_FREQ;	ambaChan[i].levelRx = devParas[i].intLevel;	ambaChan[i].levelTx = devParas[i].intLevel;	/*	 * Initialise driver functions, getTxChar, putRcvChar and channelMode	 * and initialise UART	 */	primeCellSioDevInit(&ambaChan[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_AMBA_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 initialised yet, so we	 * cannot log a message, so there's little point in checking it.	 */	(void) intConnect (INUM_TO_IVEC(devParas[i].vector),			   primeCellSioInt, (int) &ambaChan[i] );	intEnable (devParas[i].intLevel);	}    }/******************************************************************************** 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 boot ROMs.** RETURNS: N/A.*/void sysSerialReset (void)    {    int i;    for (i = 0; i < N_AMBA_UART_CHANNELS; i++)	{	/* disable serial interrupts */	intDisable (devParas[i].intLevel);	}    }