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Wolfram Sangc44e1822018-06-14 10:56:06 +09001// SPDX-License-Identifier: GPL-2.0
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -07002/*
3 * r8a7778 processor support
4 *
5 * Copyright (C) 2013 Renesas Solutions Corp.
6 * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Sergei Shtylyov52421912013-04-04 18:55:46 +00007 * Copyright (C) 2013 Cogent Embedded, Inc.
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -07008 */
9
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070010#include <linux/io.h>
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070011#include <linux/irqchip.h>
Geert Uytterhoeven02c94f32014-06-20 18:53:04 +020012
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070013#include <asm/mach/arch.h>
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070014
Magnus Dammfd44aa52014-06-17 16:47:37 +090015#include "common.h"
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070016
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070017#define INT2SMSKCR0 0x82288 /* 0xfe782288 */
18#define INT2SMSKCR1 0x8228c /* 0xfe78228c */
19
20#define INT2NTSR0 0x00018 /* 0xfe700018 */
21#define INT2NTSR1 0x0002c /* 0xfe70002c */
Geert Uytterhoeven20e73332015-09-30 17:50:19 +020022
23static void __init r8a7778_init_irq_dt(void)
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070024{
25 void __iomem *base = ioremap_nocache(0xfe700000, 0x00100000);
26
27 BUG_ON(!base);
28
Kuninori Morimoto54aa4c42013-07-09 01:48:34 -070029 irqchip_init();
Ulrich Hecht4baadb92015-08-14 15:51:03 +020030
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070031 /* route all interrupts to ARM */
32 __raw_writel(0x73ffffff, base + INT2NTSR0);
33 __raw_writel(0xffffffff, base + INT2NTSR1);
34
35 /* unmask all known interrupts in INTCS2 */
36 __raw_writel(0x08330773, base + INT2SMSKCR0);
37 __raw_writel(0x00311110, base + INT2SMSKCR1);
38
39 iounmap(base);
40}
41
Nicolas Pitre19c233b2015-07-27 18:27:52 -040042static const char *const r8a7778_compat_dt[] __initconst = {
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070043 "renesas,r8a7778",
44 NULL,
45};
46
47DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
Geert Uytterhoeven92ee3412014-10-17 14:24:38 +020048 .init_early = shmobile_init_delay,
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070049 .init_irq = r8a7778_init_irq_dt,
Magnus Damm7759a7a2014-07-31 08:32:50 +090050 .init_late = shmobile_init_late,
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070051 .dt_compat = r8a7778_compat_dt,
Kuninori Morimotoccb7cc72013-03-21 03:01:36 -070052MACHINE_END