1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/arch/sh/boards/renesas/sh7763rdp/irq.c 4 * 5 * Renesas Solutions SH7763RDP Support. 6 * 7 * Copyright (C) 2008 Renesas Solutions Corp. 8 * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> 9 */ 10 11 #include <linux/init.h> 12 #include <linux/irq.h> 13 #include <asm/io.h> 14 #include <asm/irq.h> 15 #include <mach/sh7763rdp.h> 16 17 #define INTC_BASE (0xFFD00000) 18 #define INTC_INT2PRI7 (INTC_BASE+0x4001C) 19 #define INTC_INT2MSKCR (INTC_BASE+0x4003C) 20 #define INTC_INT2MSKCR1 (INTC_BASE+0x400D4) 21 22 /* 23 * Initialize IRQ setting 24 */ 25 void __init init_sh7763rdp_IRQ(void) 26 { 27 /* GPIO enabled */ 28 __raw_writel(1 << 25, INTC_INT2MSKCR); 29 30 /* enable GPIO interrupts */ 31 __raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000, 32 INTC_INT2PRI7); 33 34 /* USBH enabled */ 35 __raw_writel(1 << 17, INTC_INT2MSKCR1); 36 37 /* GETHER enabled */ 38 __raw_writel(1 << 16, INTC_INT2MSKCR1); 39 40 /* DMAC enabled */ 41 __raw_writel(1 << 8, INTC_INT2MSKCR); 42 } 43