diff options
Diffstat (limited to 'arch/sh/boards/mach-highlander/irq-r7780rp.c')
-rw-r--r-- | arch/sh/boards/mach-highlander/irq-r7780rp.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/irq-r7780rp.c b/arch/sh/boards/mach-highlander/irq-r7780rp.c new file mode 100644 index 000000000000..9d3921fe27c0 --- /dev/null +++ b/arch/sh/boards/mach-highlander/irq-r7780rp.c | |||
@@ -0,0 +1,67 @@ | |||
1 | /* | ||
2 | * Renesas Solutions Highlander R7780RP-1 Support. | ||
3 | * | ||
4 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. | ||
5 | * Copyright (C) 2006 Paul Mundt | ||
6 | * Copyright (C) 2008 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 | |||
22 | AX88796, /* Ethernet controller */ | ||
23 | PSW, /* Push Switch */ | ||
24 | CF, /* Compact Flash */ | ||
25 | |||
26 | PCI_A, | ||
27 | PCI_B, | ||
28 | PCI_C, | ||
29 | PCI_D, | ||
30 | }; | ||
31 | |||
32 | static struct intc_vect vectors[] __initdata = { | ||
33 | INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */ | ||
34 | INTC_IRQ(PCI_B, 66), | ||
35 | INTC_IRQ(PCI_C, 67), | ||
36 | INTC_IRQ(PCI_D, 68), | ||
37 | INTC_IRQ(CF, IRQ_CF), | ||
38 | INTC_IRQ(PSW, IRQ_PSW), | ||
39 | INTC_IRQ(AX88796, IRQ_AX88796), | ||
40 | }; | ||
41 | |||
42 | static struct intc_mask_reg mask_registers[] __initdata = { | ||
43 | { 0xa5000000, 0, 16, /* IRLMSK */ | ||
44 | { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0, | ||
45 | 0, 0, 0, 0, 0, 0, PSW, AX88796 } }, | ||
46 | }; | ||
47 | |||
48 | static unsigned char irl2irq[HL_NR_IRL] __initdata = { | ||
49 | 65, 66, 67, 68, | ||
50 | IRQ_CF, 0, 0, 0, | ||
51 | 0, 0, 0, 0, | ||
52 | IRQ_AX88796, IRQ_PSW | ||
53 | }; | ||
54 | |||
55 | static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors, | ||
56 | NULL, mask_registers, NULL, NULL); | ||
57 | |||
58 | unsigned char * __init highlander_plat_irq_setup(void) | ||
59 | { | ||
60 | if (ctrl_inw(0xa5000600)) { | ||
61 | printk(KERN_INFO "Using r7780rp interrupt controller.\n"); | ||
62 | register_intc_controller(&intc_desc); | ||
63 | return irl2irq; | ||
64 | } | ||
65 | |||
66 | return NULL; | ||
67 | } | ||