1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/arch/sh/boards/renesas/sdk7780/irq.c 4 * 5 * Renesas Technology Europe SDK7780 Support. 6 * 7 * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> 8 */ 9 #include <linux/init.h> 10 #include <linux/irq.h> 11 #include <linux/io.h> 12 #include <mach/sdk7780.h> 13 14 enum { 15 UNUSED = 0, 16 /* board specific interrupt sources */ 17 SMC91C111, /* Ethernet controller */ 18 }; 19 20 static struct intc_vect fpga_vectors[] __initdata = { 21 INTC_IRQ(SMC91C111, IRQ_ETHERNET), 22 }; 23 24 static struct intc_mask_reg fpga_mask_registers[] __initdata = { 25 { 0, FPGA_IRQ0MR, 16, 26 { 0, 0, 0, 0, 0, 0, 0, 0, 27 0, 0, 0, SMC91C111, 0, 0, 0, 0 } }, 28 }; 29 30 static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors, 31 NULL, fpga_mask_registers, NULL, NULL); 32 33 void __init init_sdk7780_IRQ(void) 34 { 35 printk(KERN_INFO "Using SDK7780 interrupt controller.\n"); 36 37 __raw_writew(0xFFFF, FPGA_IRQ0MR); 38 /* Setup IRL 0-3 */ 39 __raw_writew(0x0003, FPGA_IMSR); 40 plat_irq_setup_pins(IRQ_MODE_IRL3210); 41 42 register_intc_controller(&fpga_intc_desc); 43 } 44