Merge tag 'timers-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-microblaze.git] / arch / arm / mach-shmobile / setup-r8a7778.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * r8a7778 processor support
4  *
5  * Copyright (C) 2013  Renesas Solutions Corp.
6  * Copyright (C) 2013  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7  * Copyright (C) 2013  Cogent Embedded, Inc.
8  */
9
10 #include <linux/io.h>
11 #include <linux/irqchip.h>
12
13 #include <asm/mach/arch.h>
14
15 #include "common.h"
16
17 #define HPBREG_BASE     0xfe700000
18
19 #define INT2SMSKCR0     0x82288 /* 0xfe782288 */
20 #define INT2SMSKCR1     0x8228c /* 0xfe78228c */
21
22 #define INT2NTSR0       0x00018 /* 0xfe700018 */
23 #define INT2NTSR1       0x0002c /* 0xfe70002c */
24
25 static void __init r8a7778_init_irq_dt(void)
26 {
27         void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);
28
29         BUG_ON(!base);
30
31         irqchip_init();
32
33         /* route all interrupts to ARM */
34         writel(0x73ffffff, base + INT2NTSR0);
35         writel(0xffffffff, base + INT2NTSR1);
36
37         /* unmask all known interrupts in INTCS2 */
38         writel(0x08330773, base + INT2SMSKCR0);
39         writel(0x00311110, base + INT2SMSKCR1);
40
41         iounmap(base);
42 }
43
44 static const char *const r8a7778_compat_dt[] __initconst = {
45         "renesas,r8a7778",
46         NULL,
47 };
48
49 DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
50         .init_early     = shmobile_init_delay,
51         .init_irq       = r8a7778_init_irq_dt,
52         .init_late      = shmobile_init_late,
53         .dt_compat      = r8a7778_compat_dt,
54 MACHINE_END