/* sysSerial.c - NS 16550 UART bsp serial device initialization *//* Copyright 1984-1996 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01c,18jan02,scm  modify uart inclusion definition...01b,23oct00,jb  Resolving warnings at lines 79 and 8301a,01aug00,scm written*/#include "vxWorks.h"#include "iv.h"#include "intLib.h"#include "config.h"#include "sysLib.h"#include "drv/sio/ns16552Sio.h"/* local data */static NS16550_CHAN ns16550Chan[IQ80310_UART_N_UARTS];/******************************************************************************** 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*/void sysSerialHwInit (void)    {    /* intialize the chips device descriptors */     ns16550Chan[0].regs	= (UINT8 *)IQ80310_UART_BASE_UART1;     ns16550Chan[0].level	= I80312INT_VEC_UART1;     ns16550Chan[0].regDelta	= IQ80310_UART_REG_DELTA;     ns16550Chan[0].xtal	= IQ80310_UART_XTAL;     ns16550Chan[0].baudRate	= UART_DEFAULT_BAUD;#ifdef SECOND_UART     ns16550Chan[1].regs	= (UINT8 *)IQ80310_UART_BASE_UART2;     ns16550Chan[1].level	= I80312INT_VEC_UART2;     ns16550Chan[1].regDelta	= IQ80310_UART_REG_DELTA;     ns16550Chan[1].xtal	= IQ80310_UART_XTAL;     ns16550Chan[1].baudRate	= UART_DEFAULT_BAUD;#endif    /* reset the chips */     ns16550DevInit (&ns16550Chan[0]);#ifdef SECOND_UART      ns16550DevInit (&ns16550Chan[1]);#endif    }/******************************************************************************** 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() calls malloc().** RETURNS: N/A*/void sysSerialHwInit2 (void)    {    /* now connect the serial device interrupts */    /* Connect serial interrupts. */    (void) intConnect ((VOIDFUNCPTR *)((UINT32)ns16550Chan[0].level),                       (VOIDFUNCPTR) ns16550Int, (int)&ns16550Chan[0]);#ifdef SECOND_UART    (void) intConnect ((VOIDFUNCPTR *)((UINT32)ns16550Chan[1].level),                       (VOIDFUNCPTR) ns16550Int, (int)&ns16550Chan[1]);#endif    /* Enable the UART interrupt */    intEnable (ns16550Chan[0].level);#ifdef SECOND_UART    intEnable (ns16550Chan[1].level);#endif    }/******************************************************************************** sysSerialChanGet - get the SIO_CHAN device associated with a serial channel** This routine gets the SIO_CHAN device associated with a specified 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    )    {    switch (channel)	{	case 0:	    return ((SIO_CHAN *)&ns16550Chan[0]);#ifdef SECOND_UART	case 1:	    return ((SIO_CHAN *)&ns16550Chan[1]);#endif	default:	    return ((SIO_CHAN *)ERROR);	}    }/******************************************************************************** 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 control to the boot ROM.** RETURNS: N/A.*/void sysSerialReset (void)    {    /* Disable the UART interrupt */    intDisable (ns16550Chan[0].level);#ifdef SECOND_UART    intDisable (ns16550Chan[1].level);#endif    }