Yoshihiro Shimoda | 6e86299 | 2008-03-21 15:54:13 +0900 | [diff] [blame] | 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> |
Paul Mundt | 939a24a | 2008-07-29 21:41:37 +0900 | [diff] [blame] | 14 | #include <mach-se/mach/se7721.h> |
Yoshihiro Shimoda | 6e86299 | 2008-03-21 15:54:13 +0900 | [diff] [blame] | 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 */ |
| 41 | ctrl_outw(ctrl_inw(0xa4050118) & ~0x00ff, 0xa4050118); |
| 42 | |
| 43 | register_intc_controller(&intc_desc); |
| 44 | intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0); |
| 45 | } |