/* sysSerial.c - template BSP serial device initialization *//* Copyright 2002 Wind River Systems, Inc. */#include "copyright_wrs.h"/*TODO -  Remove the template modification history and begin a new history        starting with version 01a and growing the history upward with        each revision.modification history--------------------01a,21may02,scm written.*//*   TODO - Fill in this file with I/O addresses and related constants for the          template BSP. Anything with "template" as a prefix needs to examined           and re-named to id the BSP (i.e. iq80321, iq80310, etc.) *//*DESCRIPTIONThis file contains the board-specific routines for serial channelinitialization.*/#include "vxWorks.h"#include "iv.h"#include "intLib.h"#include "config.h"#include "sysLib.h"#include "drv/sio/ns16552Sio.h"/* local data *//* TODO - flush out template defines... */static NS16550_CHAN ns16550Chan[template_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)    {    /*     * TODO - Do any special board-specific init of hardware to shut down     * any hardware that may be active (dma, interrupting, etc).     *     * Any code called here cannot use malloc/free, or do any intConnect     * type functions.     */    /* intialize the chips device descriptors */     ns16550Chan[0].regs      = (UINT8 *)template_UART1_REG;     ns16550Chan[0].level     = template_INT_XINT1;     ns16550Chan[0].regDelta  = template_UART_REG_DELTA;     ns16550Chan[0].xtal      = template_UART_XTAL;     ns16550Chan[0].baudRate  = UART_DEFAULT_BAUD;#ifdef SECOND_UART     ns16550Chan[1].regs      = (UINT8 *)template_UART2_REG;     ns16550Chan[1].level     = template_UART2_INT;     ns16550Chan[1].regDelta  = template_UART2_REG_DELTA;     ns16550Chan[1].xtal      = template_UART2_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().** This is where most device driver modules get called and devices are created.** RETURNS: N/A*/void sysSerialHwInit2 (void)    {    /* now connect the serial device interrupts */    /* Connect serial interrupts. */    (void) intConnect (INUM_TO_IVEC((UINT32)ns16550Chan[0].level),                       (VOIDFUNCPTR) ns16550Int, (int)&ns16550Chan[0]);#ifdef SECOND_UART    (void) intConnect (INUM_TO_IVEC((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 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    )    {    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    }