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/*
* Copyright 2001 MontaVista Software Inc.
* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
* Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
*
* Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
* Author: Fuxin Zhang, zhangfx@lemote.com
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <asm/mips-boards/bonito64.h>
static inline void bonito_irq_enable(unsigned int irq)
{
BONITO_INTENSET = (1 << (irq - BONITO_IRQ_BASE));
mmiowb();
}
static inline void bonito_irq_disable(unsigned int irq)
{
BONITO_INTENCLR = (1 << (irq - BONITO_IRQ_BASE));
mmiowb();
}
static struct irq_chip bonito_irq_type = {
.name = "bonito_irq",
.ack = bonito_irq_disable,
.mask = bonito_irq_disable,
.mask_ack = bonito_irq_disable,
.unmask = bonito_irq_enable,
};
static struct irqaction dma_timeout_irqaction = {
.handler = no_action,
.name = "dma_timeout",
};
void bonito_irq_init(void)
{
u32 i;
for (i = BONITO_IRQ_BASE; i < BONITO_IRQ_BASE + 32; i++) {
set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);
}
setup_irq(BONITO_IRQ_BASE + 10, &dma_timeout_irqaction);
}
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