diff options
Diffstat (limited to 'arch/sh/boards/mach-sdk7780/irq.c')
-rw-r--r-- | arch/sh/boards/mach-sdk7780/irq.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sdk7780/irq.c b/arch/sh/boards/mach-sdk7780/irq.c new file mode 100644 index 000000000000..87cdc578f6ff --- /dev/null +++ b/arch/sh/boards/mach-sdk7780/irq.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/renesas/sdk7780/irq.c | ||
3 | * | ||
4 | * Renesas Technology Europe SDK7780 Support. | ||
5 | * | ||
6 | * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> | ||
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/sdk7780.h> | ||
16 | |||
17 | enum { | ||
18 | UNUSED = 0, | ||
19 | /* board specific interrupt sources */ | ||
20 | SMC91C111, /* Ethernet controller */ | ||
21 | }; | ||
22 | |||
23 | static struct intc_vect fpga_vectors[] __initdata = { | ||
24 | INTC_IRQ(SMC91C111, IRQ_ETHERNET), | ||
25 | }; | ||
26 | |||
27 | static struct intc_mask_reg fpga_mask_registers[] __initdata = { | ||
28 | { 0, FPGA_IRQ0MR, 16, | ||
29 | { 0, 0, 0, 0, 0, 0, 0, 0, | ||
30 | 0, 0, 0, SMC91C111, 0, 0, 0, 0 } }, | ||
31 | }; | ||
32 | |||
33 | static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors, | ||
34 | NULL, fpga_mask_registers, NULL, NULL); | ||
35 | |||
36 | void __init init_sdk7780_IRQ(void) | ||
37 | { | ||
38 | printk(KERN_INFO "Using SDK7780 interrupt controller.\n"); | ||
39 | |||
40 | ctrl_outw(0xFFFF, FPGA_IRQ0MR); | ||
41 | /* Setup IRL 0-3 */ | ||
42 | ctrl_outw(0x0003, FPGA_IMSR); | ||
43 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | ||
44 | |||
45 | register_intc_controller(&fpga_intc_desc); | ||
46 | } | ||