1/* ASB2303 initialisation 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 12#include <linux/kernel.h> 13#include <linux/param.h> 14#include <linux/init.h> 15#include <linux/device.h> 16 17#include <asm/io.h> 18#include <asm/setup.h> 19#include <asm/processor.h> 20#include <asm/irq.h> 21#include <asm/intctl-regs.h> 22 23/* 24 * initialise some of the unit hardware before gdbstub is set up 25 */ 26asmlinkage void __init unit_init(void) 27{ 28 /* set up the external interrupts */ 29 SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL); 30 SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); 31 SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL); 32 SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL); 33 SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL); 34} 35 36/* 37 * initialise the rest of the unit hardware after gdbstub is ready 38 */ 39void __init unit_setup(void) 40{ 41} 42 43/* 44 * initialise the external interrupts used by a unit of this type 45 */ 46void __init unit_init_IRQ(void) 47{ 48 unsigned int extnum; 49 50 for (extnum = 0; extnum < NR_XIRQS; extnum++) { 51 switch (GET_XIRQ_TRIGGER(extnum)) { 52 case XIRQ_TRIGGER_HILEVEL: 53 case XIRQ_TRIGGER_LOWLEVEL: 54 set_intr_postackable(XIRQ2IRQ(extnum)); 55 break; 56 default: 57 break; 58 } 59 } 60} 61