62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
|
/* ASB2305 Initialisation
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public Licence
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the Licence, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/param.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/pci.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/setup.h>
|
||
|
|
#include <asm/processor.h>
|
||
|
|
#include <asm/cpu/intctl-regs.h>
|
||
|
|
#include <asm/cpu/rtc-regs.h>
|
||
|
|
#include <asm/cpu/serial-regs.h>
|
||
|
|
#include <unit/serial.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* initialise some of the unit hardware before gdbstub is set up
|
||
|
|
*/
|
||
|
|
asmlinkage void __init unit_init(void)
|
||
|
|
{
|
||
|
|
#ifndef CONFIG_GDBSTUB_ON_TTYSx
|
||
|
|
/* set the 16550 interrupt line to level 3 if not being used for GDB */
|
||
|
|
set_intr_level(XIRQ0, GxICR_LEVEL_3);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* initialise the rest of the unit hardware after gdbstub is ready
|
||
|
|
*/
|
||
|
|
void __init unit_setup(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_PCI
|
||
|
|
unit_pci_init();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* initialise the external interrupts used by a unit of this type
|
||
|
|
*/
|
||
|
|
void __init unit_init_IRQ(void)
|
||
|
|
{
|
||
|
|
unsigned int extnum;
|
||
|
|
|
||
|
|
for (extnum = 0; extnum < NR_XIRQS; extnum++) {
|
||
|
|
switch (GET_XIRQ_TRIGGER(extnum)) {
|
||
|
|
case XIRQ_TRIGGER_HILEVEL:
|
||
|
|
case XIRQ_TRIGGER_LOWLEVEL:
|
||
|
|
set_intr_postackable(XIRQ2IRQ(extnum));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|