1 /* ASB2305 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 #include <linux/kernel.h> 12 #include <linux/param.h> 13 #include <linux/init.h> 14 #include <linux/pci.h> 15 #include <asm/io.h> 16 #include <asm/setup.h> 17 #include <asm/processor.h> 18 #include <asm/intctl-regs.h> 19 #include <asm/serial-regs.h> 20 #include <unit/serial.h> 21 22 /* 23 * initialise some of the unit hardware before gdbstub is set up 24 */ unit_init(void)25asmlinkage void __init unit_init(void) 26 { 27 #ifndef CONFIG_GDBSTUB_ON_TTYSx 28 /* set the 16550 interrupt line to level 3 if not being used for GDB */ 29 #ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL 30 set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); 31 #endif 32 #endif /* CONFIG_GDBSTUB_ON_TTYSx */ 33 } 34 35 /* 36 * initialise the rest of the unit hardware after gdbstub is ready 37 */ unit_setup(void)38void __init unit_setup(void) 39 { 40 #ifdef CONFIG_PCI 41 unit_pci_init(); 42 #endif 43 } 44 45 /* 46 * initialise the external interrupts used by a unit of this type 47 */ unit_init_IRQ(void)48void __init unit_init_IRQ(void) 49 { 50 unsigned int extnum; 51 52 for (extnum = 0; extnum < NR_XIRQS; extnum++) { 53 switch (GET_XIRQ_TRIGGER(extnum)) { 54 case XIRQ_TRIGGER_HILEVEL: 55 case XIRQ_TRIGGER_LOWLEVEL: 56 mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); 57 break; 58 default: 59 break; 60 } 61 } 62 } 63