Nicholas Beck | 4862ec0 | 2008-01-23 12:50:51 +0900 | [diff] [blame] | 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> |
Paul Mundt | 7639a45 | 2008-10-20 13:02:48 +0900 | [diff] [blame^] | 15 | #include <mach/sdk7780.h> |
Nicholas Beck | 4862ec0 | 2008-01-23 12:50:51 +0900 | [diff] [blame] | 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 | } |