/* *---------------------------------------------------------------------- *    T-Kernel * *    Copyright (C) 2004-2006 by Ken Sakamura. All rights reserved. *    T-Kernel is distributed under the T-License. *---------------------------------------------------------------------- * *    Version:   1.02.01 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/1/10. * *---------------------------------------------------------------------- *//* *	tkdev_init.c (VR4131) *	T-Kernel Device-Dependent Initialization/Finalization */#include "kernel.h"#include <tk/sysdef.h>#include <tk/syslib.h>#include <tm/tmonitor.h>#include "tkdev_conf.h"/* * Target system-dependent initialization */EXPORT ER tkdev_initialize( void ){	/* All interrupts disable */	out_h(MSYSINT1REG, 0);	/* ICU */	out_h(MSYSINT2REG, 0);	out_h(GIUINTENL, 0);	/* GPIO */	out_h(GIUINTENH, 0);	/* Enable GPIO interrupt on ICU */	out_h(MGIUINTLREG, 0xffff);	out_h(MGIUINTHREG, 0xffff);	/* Enable cascade connections */	EnableInt(VECNO_GPIO);	/* Enable power on (T-Monitor) interrupt */	EnableInt(EIT_GPIO(2));	out_h(GIUIOSELL, in_h(GIUIOSELL) & ~0x0001U);	/* GPIO0 input */	SetIntMode(VECNO_FPGA, IM_LEVEL|IM_LOW);	EnableInt(VECNO_FPGA);	return E_OK;}/* * Target system-dependent finalization *	Normally jump to ROM monitor. *	No return from this function. */EXPORT void tkdev_exit( void ){	disint();	tm_exit(0);	/* Turn off power and exit */	/* Not suppose to return from 'tm_exit,' but just in case */	for ( ;; ) {		tm_monitor();  /* To T-Monitor */	}}