162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * r8a7779 processor support 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2011, 2013 Renesas Solutions Corp. 662306a36Sopenharmony_ci * Copyright (C) 2011 Magnus Damm 762306a36Sopenharmony_ci * Copyright (C) 2013 Cogent Embedded, Inc. 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci#include <linux/init.h> 1062306a36Sopenharmony_ci#include <linux/irqchip.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#include <asm/mach/arch.h> 1362306a36Sopenharmony_ci#include <asm/mach/map.h> 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include "common.h" 1662306a36Sopenharmony_ci#include "r8a7779.h" 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define HPBREG_BASE 0xfe700000 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci/* IRQ */ 2162306a36Sopenharmony_ci#define INT2SMSKCR0 0x822a0 /* Interrupt Submask Clear Register 0 */ 2262306a36Sopenharmony_ci#define INT2SMSKCR1 0x822a4 /* Interrupt Submask Clear Register 1 */ 2362306a36Sopenharmony_ci#define INT2SMSKCR2 0x822a8 /* Interrupt Submask Clear Register 2 */ 2462306a36Sopenharmony_ci#define INT2SMSKCR3 0x822ac /* Interrupt Submask Clear Register 3 */ 2562306a36Sopenharmony_ci#define INT2SMSKCR4 0x822b0 /* Interrupt Submask Clear Register 4 */ 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci#define INT2NTSR0 0x00060 /* Interrupt Notification Select Register 0 */ 2862306a36Sopenharmony_ci#define INT2NTSR1 0x00064 /* Interrupt Notification Select Register 1 */ 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic void __init r8a7779_init_irq_dt(void) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci void __iomem *base = ioremap(HPBREG_BASE, 0x00100000); 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci irqchip_init(); 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci /* route all interrupts to ARM */ 3762306a36Sopenharmony_ci writel(0xffffffff, base + INT2NTSR0); 3862306a36Sopenharmony_ci writel(0x3fffffff, base + INT2NTSR1); 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci /* unmask all known interrupts in INTCS2 */ 4162306a36Sopenharmony_ci writel(0xfffffff0, base + INT2SMSKCR0); 4262306a36Sopenharmony_ci writel(0xfff7ffff, base + INT2SMSKCR1); 4362306a36Sopenharmony_ci writel(0xfffbffdf, base + INT2SMSKCR2); 4462306a36Sopenharmony_ci writel(0xbffffffc, base + INT2SMSKCR3); 4562306a36Sopenharmony_ci writel(0x003fee3f, base + INT2SMSKCR4); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci iounmap(base); 4862306a36Sopenharmony_ci} 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_cistatic const char *const r8a7779_compat_dt[] __initconst = { 5162306a36Sopenharmony_ci "renesas,r8a7779", 5262306a36Sopenharmony_ci NULL 5362306a36Sopenharmony_ci}; 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ciDT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)") 5662306a36Sopenharmony_ci .smp = smp_ops(r8a7779_smp_ops), 5762306a36Sopenharmony_ci .init_irq = r8a7779_init_irq_dt, 5862306a36Sopenharmony_ci .init_late = shmobile_init_late, 5962306a36Sopenharmony_ci .dt_compat = r8a7779_compat_dt, 6062306a36Sopenharmony_ciMACHINE_END 61