18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * r8a7778 processor support 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2013 Renesas Solutions Corp. 68c2ecf20Sopenharmony_ci * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 78c2ecf20Sopenharmony_ci * Copyright (C) 2013 Cogent Embedded, Inc. 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#include <linux/io.h> 118c2ecf20Sopenharmony_ci#include <linux/irqchip.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#include <asm/mach/arch.h> 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#include "common.h" 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci#define INT2SMSKCR0 0x82288 /* 0xfe782288 */ 188c2ecf20Sopenharmony_ci#define INT2SMSKCR1 0x8228c /* 0xfe78228c */ 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci#define INT2NTSR0 0x00018 /* 0xfe700018 */ 218c2ecf20Sopenharmony_ci#define INT2NTSR1 0x0002c /* 0xfe70002c */ 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_cistatic void __init r8a7778_init_irq_dt(void) 248c2ecf20Sopenharmony_ci{ 258c2ecf20Sopenharmony_ci void __iomem *base = ioremap(0xfe700000, 0x00100000); 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci BUG_ON(!base); 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci irqchip_init(); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci /* route all interrupts to ARM */ 328c2ecf20Sopenharmony_ci __raw_writel(0x73ffffff, base + INT2NTSR0); 338c2ecf20Sopenharmony_ci __raw_writel(0xffffffff, base + INT2NTSR1); 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci /* unmask all known interrupts in INTCS2 */ 368c2ecf20Sopenharmony_ci __raw_writel(0x08330773, base + INT2SMSKCR0); 378c2ecf20Sopenharmony_ci __raw_writel(0x00311110, base + INT2SMSKCR1); 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci iounmap(base); 408c2ecf20Sopenharmony_ci} 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_cistatic const char *const r8a7778_compat_dt[] __initconst = { 438c2ecf20Sopenharmony_ci "renesas,r8a7778", 448c2ecf20Sopenharmony_ci NULL, 458c2ecf20Sopenharmony_ci}; 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_ciDT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)") 488c2ecf20Sopenharmony_ci .init_early = shmobile_init_delay, 498c2ecf20Sopenharmony_ci .init_irq = r8a7778_init_irq_dt, 508c2ecf20Sopenharmony_ci .init_late = shmobile_init_late, 518c2ecf20Sopenharmony_ci .dt_compat = r8a7778_compat_dt, 528c2ecf20Sopenharmony_ciMACHINE_END 53