/* sysSerial.c - IXP425 UART bsp serial device initialization *//* Copyright 2002 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01a,05jun02,jb  initial version...*//*DESCRIPTIONSerial initialisation routines.*/#include "vxWorks.h"#include "iv.h"#include "intLib.h"#include "config.h"#include "sysLib.h"#include "ixp425.h"#include "ixp425Sio.h"#include "ixp425Sio.c"void printfxu(char *str);void printpxu(char *nameptr, unsigned int value);/*  * UART2 should not be used as a very low level debug port therefore only enable it * if debug support is turned off. */#ifdef INCLUDE_UART2_SUPPORT   #ifdef INCLUDE_IXP425_UART_DEBUG      #undef INCLUDE_UART2_SUPPORT   #endif#endif /* INCLUDE_UART2_SUPPORT *//* local data */static IXP425_SIO_CHAN ixp425Chan[IXP425_NUM_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 */#ifdef INCLUDE_UART1_SUPPORT     ixp425Chan[0].regs	= (UINT8 *)IXP425_UART1_BASE;     ixp425Chan[0].level = INT_VEC_UART1;     ixp425Chan[0].regDelta = IXP425_UART_REG_DELTA;     ixp425Chan[0].xtal	= IXP425_UART_XTAL;     ixp425Chan[0].baudRate = UART_DEFAULT_BAUD;     ixp425Chan[0].options = 0;#endif#ifdef INCLUDE_UART2_SUPPORT     ixp425Chan[1].regs	= (UINT8 *)IXP425_UART2_BASE;     ixp425Chan[1].level = INT_VEC_UART2;     ixp425Chan[1].regDelta = IXP425_UART_REG_DELTA;     ixp425Chan[1].xtal	= IXP425_UART_XTAL;     ixp425Chan[1].baudRate = UART_DEFAULT_BAUD;     ixp425Chan[1].options = 0;#endif     /* reset the chips */#ifdef INCLUDE_UART1_SUPPORT     ixp425SioDevInit (&ixp425Chan[0]);#endif#ifdef INCLUDE_UART2_SUPPORT     ixp425SioDevInit (&ixp425Chan[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 */#ifdef INCLUDE_UART1_SUPPORT    (void) intConnect ((VOIDFUNCPTR *)((UINT32)ixp425Chan[0].level),                       (VOIDFUNCPTR) ixp425SioInt, (int)&ixp425Chan[0]);#endif#ifdef INCLUDE_UART2_SUPPORT    (void) intConnect ((VOIDFUNCPTR *)((UINT32)ixp425Chan[1].level),                       (VOIDFUNCPTR) ixp425SioInt, (int)&ixp425Chan[1]);#endif#ifdef INCLUDE_UART1_SUPPORT    /* Enable the UART interrupt */    intEnable (ixp425Chan[0].level);#endif#ifdef INCLUDE_UART2_SUPPORT    intEnable (ixp425Chan[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)	{#ifdef INCLUDE_UART1_SUPPORT	case 0:	    return ((SIO_CHAN *)&ixp425Chan[0]);#endif#ifdef INCLUDE_UART2_SUPPORT	case 1:	    return ((SIO_CHAN *)&ixp425Chan[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 */#ifdef INCLUDE_UART1_SUPPORT    intDisable (ixp425Chan[0].level);#endif#ifdef INCLUDE_UART2_SUPPORT    intDisable (ixp425Chan[1].level);#endif    }/******************************************************************************** sysSerialShow - display serial statistics** RETURNS: N/A.*/void sysSerialShow ()    {    int i=0;    for (i=0; i<IXP425_NUM_UARTS; i++)	{	printf("\nChannel (%d):", i);	ixp425SioStatsShow(&ixp425Chan[i]);	}    }#define RS232_BASE 0xc8000000#define RS232_LINE_STATUS 0x14void printfxu(char *str){       #if 1	volatile UINT8 status = 0;	for(;*str;)	{		status = 0;		while (status == 0)        		status = *(UINT32*)(RS232_BASE + RS232_LINE_STATUS);		*(int *)RS232_BASE =  *str++;		}		/* *(int *)0xC8000000 = 'S' */	#endif}void printpxu(char *nameptr, unsigned int value){       char ch[16] = {'0', '1', '2', '3', '4', '5', '6', '7', \	   	                    '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; 	char temp1[100], temp2[100];	unsigned int vl = value;	int i;	for(i=0; i<8; i++)	{		temp2[i] = ch[(vl>>((7-i)*4))&0xf];		}	temp2[i] = 0;	strcpy(temp1, nameptr);	strcat(temp1, " = 0x");	strcat(temp1, temp2);	printfxu(temp1);}