1*aaf9128aSKuninori Morimoto // SPDX-License-Identifier: GPL-2.0 2da2014a2SPaul Mundt /* 3da2014a2SPaul Mundt * linux/arch/sh/boards/se/7721/irq.c 4da2014a2SPaul Mundt * 5da2014a2SPaul Mundt * Copyright (C) 2008 Renesas Solutions Corp. 6da2014a2SPaul Mundt */ 7da2014a2SPaul Mundt #include <linux/init.h> 8da2014a2SPaul Mundt #include <linux/irq.h> 9da2014a2SPaul Mundt #include <linux/interrupt.h> 10da2014a2SPaul Mundt #include <linux/io.h> 11939a24a6SPaul Mundt #include <mach-se/mach/se7721.h> 12da2014a2SPaul Mundt 13da2014a2SPaul Mundt enum { 14da2014a2SPaul Mundt UNUSED = 0, 15da2014a2SPaul Mundt 16da2014a2SPaul Mundt /* board specific interrupt sources */ 17da2014a2SPaul Mundt MRSHPC, 18da2014a2SPaul Mundt }; 19da2014a2SPaul Mundt 20da2014a2SPaul Mundt static struct intc_vect vectors[] __initdata = { 21da2014a2SPaul Mundt INTC_IRQ(MRSHPC, MRSHPC_IRQ0), 22da2014a2SPaul Mundt }; 23da2014a2SPaul Mundt 24da2014a2SPaul Mundt static struct intc_prio_reg prio_registers[] __initdata = { 25da2014a2SPaul Mundt { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */ 26da2014a2SPaul Mundt { 0, MRSHPC } }, 27da2014a2SPaul Mundt }; 28da2014a2SPaul Mundt 29da2014a2SPaul Mundt static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors, 30da2014a2SPaul Mundt NULL, NULL, prio_registers, NULL); 31da2014a2SPaul Mundt 32da2014a2SPaul Mundt /* 33da2014a2SPaul Mundt * Initialize IRQ setting 34da2014a2SPaul Mundt */ 35da2014a2SPaul Mundt void __init init_se7721_IRQ(void) 36da2014a2SPaul Mundt { 37da2014a2SPaul Mundt /* PPCR */ 389d56dd3bSPaul Mundt __raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118); 39da2014a2SPaul Mundt 40da2014a2SPaul Mundt register_intc_controller(&intc_desc); 41da2014a2SPaul Mundt intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0); 42da2014a2SPaul Mundt } 43