162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * r8a7778 processor support 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2013 Renesas Solutions Corp. 662306a36Sopenharmony_ci * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 762306a36Sopenharmony_ci * Copyright (C) 2013 Cogent Embedded, Inc. 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/io.h> 1162306a36Sopenharmony_ci#include <linux/irqchip.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#include <asm/mach/arch.h> 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include "common.h" 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#define HPBREG_BASE 0xfe700000 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define INT2SMSKCR0 0x82288 /* 0xfe782288 */ 2062306a36Sopenharmony_ci#define INT2SMSKCR1 0x8228c /* 0xfe78228c */ 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci#define INT2NTSR0 0x00018 /* 0xfe700018 */ 2362306a36Sopenharmony_ci#define INT2NTSR1 0x0002c /* 0xfe70002c */ 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_cistatic void __init r8a7778_init_irq_dt(void) 2662306a36Sopenharmony_ci{ 2762306a36Sopenharmony_ci void __iomem *base = ioremap(HPBREG_BASE, 0x00100000); 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci BUG_ON(!base); 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci irqchip_init(); 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci /* route all interrupts to ARM */ 3462306a36Sopenharmony_ci writel(0x73ffffff, base + INT2NTSR0); 3562306a36Sopenharmony_ci writel(0xffffffff, base + INT2NTSR1); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci /* unmask all known interrupts in INTCS2 */ 3862306a36Sopenharmony_ci writel(0x08330773, base + INT2SMSKCR0); 3962306a36Sopenharmony_ci writel(0x00311110, base + INT2SMSKCR1); 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci iounmap(base); 4262306a36Sopenharmony_ci} 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_cistatic const char *const r8a7778_compat_dt[] __initconst = { 4562306a36Sopenharmony_ci "renesas,r8a7778", 4662306a36Sopenharmony_ci NULL 4762306a36Sopenharmony_ci}; 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ciDT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)") 5062306a36Sopenharmony_ci .init_early = shmobile_init_delay, 5162306a36Sopenharmony_ci .init_irq = r8a7778_init_irq_dt, 5262306a36Sopenharmony_ci .init_late = shmobile_init_late, 5362306a36Sopenharmony_ci .dt_compat = r8a7778_compat_dt, 5462306a36Sopenharmony_ciMACHINE_END 55