1da2014a2SPaul Mundt /* 2da2014a2SPaul Mundt * linux/arch/sh/boards/se/7721/irq.c 3da2014a2SPaul Mundt * 4da2014a2SPaul Mundt * Copyright (C) 2008 Renesas Solutions Corp. 5da2014a2SPaul Mundt * 6da2014a2SPaul Mundt * This file is subject to the terms and conditions of the GNU General Public 7da2014a2SPaul Mundt * License. See the file "COPYING" in the main directory of this archive 8da2014a2SPaul Mundt * for more details. 9da2014a2SPaul Mundt */ 10da2014a2SPaul Mundt #include <linux/init.h> 11da2014a2SPaul Mundt #include <linux/irq.h> 12da2014a2SPaul Mundt #include <linux/interrupt.h> 13da2014a2SPaul Mundt #include <linux/io.h> 14939a24a6SPaul Mundt #include <mach-se/mach/se7721.h> 15da2014a2SPaul Mundt 16da2014a2SPaul Mundt enum { 17da2014a2SPaul Mundt UNUSED = 0, 18da2014a2SPaul Mundt 19da2014a2SPaul Mundt /* board specific interrupt sources */ 20da2014a2SPaul Mundt MRSHPC, 21da2014a2SPaul Mundt }; 22da2014a2SPaul Mundt 23da2014a2SPaul Mundt static struct intc_vect vectors[] __initdata = { 24da2014a2SPaul Mundt INTC_IRQ(MRSHPC, MRSHPC_IRQ0), 25da2014a2SPaul Mundt }; 26da2014a2SPaul Mundt 27da2014a2SPaul Mundt static struct intc_prio_reg prio_registers[] __initdata = { 28da2014a2SPaul Mundt { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */ 29da2014a2SPaul Mundt { 0, MRSHPC } }, 30da2014a2SPaul Mundt }; 31da2014a2SPaul Mundt 32da2014a2SPaul Mundt static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors, 33da2014a2SPaul Mundt NULL, NULL, prio_registers, NULL); 34da2014a2SPaul Mundt 35da2014a2SPaul Mundt /* 36da2014a2SPaul Mundt * Initialize IRQ setting 37da2014a2SPaul Mundt */ 38da2014a2SPaul Mundt void __init init_se7721_IRQ(void) 39da2014a2SPaul Mundt { 40da2014a2SPaul Mundt /* PPCR */ 41*9d56dd3bSPaul Mundt __raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118); 42da2014a2SPaul Mundt 43da2014a2SPaul Mundt register_intc_controller(&intc_desc); 44da2014a2SPaul Mundt intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0); 45da2014a2SPaul Mundt } 46