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4862ec07 NB |
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 | } |