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6e862995 YS |
1 | /* |
2 | * linux/arch/sh/boards/se/7721/irq.c | |
3 | * | |
4 | * Copyright (C) 2008 Renesas Solutions Corp. | |
5 | * | |
6 | * This file is subject to the terms and conditions of the GNU General Public | |
7 | * License. See the file "COPYING" in the main directory of this archive | |
8 | * for more details. | |
9 | */ | |
10 | #include <linux/init.h> | |
11 | #include <linux/irq.h> | |
12 | #include <linux/interrupt.h> | |
13 | #include <linux/io.h> | |
939a24a6 | 14 | #include <mach-se/mach/se7721.h> |
6e862995 YS |
15 | |
16 | enum { | |
17 | UNUSED = 0, | |
18 | ||
19 | /* board specific interrupt sources */ | |
20 | MRSHPC, | |
21 | }; | |
22 | ||
23 | static struct intc_vect vectors[] __initdata = { | |
24 | INTC_IRQ(MRSHPC, MRSHPC_IRQ0), | |
25 | }; | |
26 | ||
27 | static struct intc_prio_reg prio_registers[] __initdata = { | |
28 | { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */ | |
29 | { 0, MRSHPC } }, | |
30 | }; | |
31 | ||
32 | static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors, | |
33 | NULL, NULL, prio_registers, NULL); | |
34 | ||
35 | /* | |
36 | * Initialize IRQ setting | |
37 | */ | |
38 | void __init init_se7721_IRQ(void) | |
39 | { | |
40 | /* PPCR */ | |
9d56dd3b | 41 | __raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118); |
6e862995 YS |
42 | |
43 | register_intc_controller(&intc_desc); | |
44 | intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0); | |
45 | } |