diff options
Diffstat (limited to 'arch/arm/mach-shmobile/intc-r8a7740.c')
-rw-r--r-- | arch/arm/mach-shmobile/intc-r8a7740.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/intc-r8a7740.c b/arch/arm/mach-shmobile/intc-r8a7740.c new file mode 100644 index 00000000000..c62a2059f2f --- /dev/null +++ b/arch/arm/mach-shmobile/intc-r8a7740.c | |||
@@ -0,0 +1,45 @@ | |||
1 | /* | ||
2 | * R8A7740 processor support | ||
3 | * | ||
4 | * Copyright (C) 2011 Renesas Solutions Corp. | ||
5 | * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; version 2 of the License. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | #include <linux/irq.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <asm/hardware/gic.h> | ||
24 | |||
25 | #define INTA_CTRL 0xe605807c | ||
26 | |||
27 | static int r8a7740_set_wake(struct irq_data *data, unsigned int on) | ||
28 | { | ||
29 | return 0; /* always allow wakeup */ | ||
30 | } | ||
31 | |||
32 | void __init r8a7740_init_irq(void) | ||
33 | { | ||
34 | void __iomem *gic_dist_base = __io(0xf0001000); | ||
35 | void __iomem *gic_cpu_base = __io(0xf0000000); | ||
36 | |||
37 | /* | ||
38 | * Change INT_SEL INTCA->GIC | ||
39 | * (on GPIO) | ||
40 | */ | ||
41 | __raw_writel(__raw_readl(INTA_CTRL) & ~(1 << 1), INTA_CTRL); | ||
42 | |||
43 | gic_init(0, 29, gic_dist_base, gic_cpu_base); | ||
44 | gic_arch_extn.irq_set_wake = r8a7740_set_wake; | ||
45 | } | ||