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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <asm/hardware/gic.h>
#include <mach/hardware.h>
int mvf_register_gpios(void);
unsigned int gpc_wake_irq[4];
static int mvf_gic_irq_set_wake(struct irq_data *d, unsigned int enable)
{
if ((d->irq < MXC_INT_START) || (d->irq > MXC_INT_END)) {
printk(KERN_ERR "Invalid irq number!\n");
return -EINVAL;
}
if (enable) {
gpc_wake_irq[d->irq / 32 - 1] |= 1 << (d->irq % 32);
printk(KERN_INFO "add wake up source irq %d\n", d->irq);
} else {
printk(KERN_INFO "remove wake up source irq %d\n", d->irq);
gpc_wake_irq[d->irq / 32 - 1] &= ~(1 << (d->irq % 32));
}
return 0;
}
void mvf_init_irq(void)
{
unsigned int i;
void __iomem *int_router_base =
MVF_IO_ADDRESS(MVF_MSCM_INT_ROUTER_BASE);
/* start offset if private timer irq id, which is 29.
* ID table:
* Global timer, PPI -> ID27
* A legacy nFIQ, PPI -> ID28
* Private timer, PPI -> ID29
* Watchdog timers, PPI -> ID30
* A legacy nIRQ, PPI -> ID31
*/
gic_init(0, 27, MVF_IO_ADDRESS(MVF_INTD_BASE_ADDR),
MVF_IO_ADDRESS(MVF_SCUGIC_BASE_ADDR + 0x100));
mvf_register_gpios();
for (i = 0; i < 112; i++)
__raw_writew(1, int_router_base + 0x80 + 2 * i);
}
|
