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 */ unit_init(void)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 #ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL 36 set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); 37 #endif 38 39 #ifdef CONFIG_ETHERNET_IRQ_LEVEL 40 set_intr_level(XIRQ3, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL)); 41 #endif 42 } 43 44 /* 45 * initialise the rest of the unit hardware after gdbstub is ready 46 */ unit_setup(void)47void __init unit_setup(void) 48 { 49 } 50 51 /* 52 * initialise the external interrupts used by a unit of this type 53 */ unit_init_IRQ(void)54void __init unit_init_IRQ(void) 55 { 56 unsigned int extnum; 57 58 for (extnum = 0; extnum < NR_XIRQS; extnum++) { 59 switch (GET_XIRQ_TRIGGER(extnum)) { 60 case XIRQ_TRIGGER_HILEVEL: 61 case XIRQ_TRIGGER_LOWLEVEL: 62 mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); 63 break; 64 default: 65 break; 66 } 67 } 68 } 69