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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/txx9/generic/irq_tx4938.c
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/*

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 * linux/arch/mips/tx4938/common/irq.c

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 *

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 * Common tx4938 irq handler

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 * Copyright (C) 2000-2001 Toshiba Corporation

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 *

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 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the

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 * terms of the GNU General Public License version 2. This program is

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 * licensed "as is" without any warranty of any kind, whether express

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 * or implied.

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 *

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 * Support for TX4938 in 2.6 - Manish Lachwani ([email protected])

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 */

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#include <linux/init.h>

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#include <linux/interrupt.h>

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#include <linux/irq.h>

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#include <asm/irq_cpu.h>

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#include <asm/txx9/tx4938.h>

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void __init tx4938_irq_init(void)

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{

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	int i;

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	mips_cpu_irq_init();

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	txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL);

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	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,

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				handle_simple_irq);

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	/* raise priority for errors, timers, SIO */

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	txx9_irq_set_pri(TX4938_IR_ECCERR, 7);

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	txx9_irq_set_pri(TX4938_IR_WTOERR, 7);

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	txx9_irq_set_pri(TX4938_IR_PCIERR, 7);

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	txx9_irq_set_pri(TX4938_IR_PCIPME, 7);

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	for (i = 0; i < TX4938_NUM_IR_TMR; i++)

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		txx9_irq_set_pri(TX4938_IR_TMR(i), 6);

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	for (i = 0; i < TX4938_NUM_IR_SIO; i++)

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		txx9_irq_set_pri(TX4938_IR_SIO(i), 5);

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}

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