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mx51: support FIQ on TZIC, revised

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Add support for FIQ on mx51 TZIC

TZIC changes tested with FIQ audio on an mx51 board

AVIC changes build with mx3_defconfig, not tested

Signed-off-by: Peter Horton <phorton@bitbox.co.uk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Peter Horton
2010-12-06 11:37:38 +00:00
committed by Sascha Hauer
parent 8be9252f7c
commit cdc3f10630
6 changed files with 155 additions and 28 deletions
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60
arch/arm/plat-mxc/irq-common.c Normal file
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/*
* Copyright (C) BitBox Ltd 2010
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/module.h>
#include <linux/irq.h>
#include "irq-common.h"
int imx_irq_set_priority(unsigned char irq, unsigned char prio)
{
struct mxc_irq_chip *chip;
struct irq_chip *base;
int ret;
ret = -ENOSYS;
base = get_irq_chip(irq);
if (base) {
chip = container_of(base, struct mxc_irq_chip, base);
if (chip->set_priority)
ret = chip->set_priority(irq, prio);
}
return ret;
}
EXPORT_SYMBOL(imx_irq_set_priority);
int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
{
struct mxc_irq_chip *chip;
struct irq_chip *base;
int ret;
ret = -ENOSYS;
base = get_irq_chip(irq);
if (base) {
chip = container_of(base, struct mxc_irq_chip, base);
if (chip->set_irq_fiq)
ret = chip->set_irq_fiq(irq, type);
}
return ret;
}
EXPORT_SYMBOL(mxc_set_irq_fiq);