diff options
Diffstat (limited to 'arch/sh/boards/renesas/r7780rp/irq-r7780mp.c')
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq-r7780mp.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c new file mode 100644 index 000000000000..59b47fe061f9 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c | |||
@@ -0,0 +1,61 @@ | |||
1 | /* | ||
2 | * Renesas Solutions Highlander R7780MP Support. | ||
3 | * | ||
4 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. | ||
5 | * Copyright (C) 2006 Paul Mundt | ||
6 | * Copyright (C) 2007 Magnus Damm | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General Public | ||
9 | * License. See the file "COPYING" in the main directory of this archive | ||
10 | * for more details. | ||
11 | */ | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/irq.h> | ||
14 | #include <linux/io.h> | ||
15 | #include <asm/r7780rp.h> | ||
16 | |||
17 | enum { | ||
18 | UNUSED = 0, | ||
19 | |||
20 | /* board specific interrupt sources */ | ||
21 | AX88796, /* Ethernet controller */ | ||
22 | CF, /* Compact Flash */ | ||
23 | PSW, /* Push Switch */ | ||
24 | EXT1, /* EXT1n IRQ */ | ||
25 | EXT4, /* EXT4n IRQ */ | ||
26 | }; | ||
27 | |||
28 | static struct intc_vect vectors[] __initdata = { | ||
29 | INTC_IRQ(CF, IRQ_CF), | ||
30 | INTC_IRQ(PSW, IRQ_PSW), | ||
31 | INTC_IRQ(AX88796, IRQ_AX88796), | ||
32 | INTC_IRQ(EXT1, IRQ_EXT1), | ||
33 | INTC_IRQ(EXT4, IRQ_EXT4), | ||
34 | }; | ||
35 | |||
36 | static struct intc_mask_reg mask_registers[] __initdata = { | ||
37 | { 0xa4000000, 0, 16, /* IRLMSK */ | ||
38 | { 0, 0, 0, 0, CF, 0, 0, 0, | ||
39 | 0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } }, | ||
40 | }; | ||
41 | |||
42 | static unsigned char irl2irq[HL_NR_IRL] __initdata = { | ||
43 | 0, IRQ_CF, 0, 0, | ||
44 | 0, 0, 0, 0, | ||
45 | 0, IRQ_EXT4, 0, IRQ_EXT1, | ||
46 | 0, IRQ_AX88796, IRQ_PSW, | ||
47 | }; | ||
48 | |||
49 | static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors, | ||
50 | NULL, NULL, mask_registers, NULL, NULL); | ||
51 | |||
52 | unsigned char * __init highlander_init_irq_r7780mp(void) | ||
53 | { | ||
54 | if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) { | ||
55 | printk(KERN_INFO "Using r7780mp interrupt controller.\n"); | ||
56 | register_intc_controller(&intc_desc); | ||
57 | return irl2irq; | ||
58 | } | ||
59 | |||
60 | return NULL; | ||
61 | } | ||