blob: 78c971486b4e9520b2b9ad10b1c26c04ef5c3361 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/*
* Shared support for SH-X3 interrupt controllers.
*
* Copyright (C) 2009 - 2010 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/init.h>
#define INTACK 0xfe4100b8
#define INTACKCLR 0xfe4100bc
#define INTC_USERIMASK 0xfe411000
#ifdef CONFIG_INTC_BALANCING
unsigned int irq_lookup(unsigned int irq)
{
return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;
}
void irq_finish(unsigned int irq)
{
__raw_writel(irq2evt(irq), INTACKCLR);
}
#endif
static int __init shx3_irq_setup(void)
{
return register_intc_userimask(INTC_USERIMASK);
}
arch_initcall(shx3_irq_setup);
|
