2 * r8a7778 processor support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 * Copyright (C) 2013 Cogent Embedded, Inc.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #include <linux/clk/shmobile.h>
20 #include <linux/irqchip.h>
22 #include <asm/mach/arch.h>
26 #define MODEMR 0xffcc0020
28 static void __init
r8a7778_timer_init(void)
31 void __iomem
*modemr
= ioremap_nocache(MODEMR
, 4);
34 mode
= ioread32(modemr
);
36 r8a7778_clocks_init(mode
);
39 #define INT2SMSKCR0 0x82288 /* 0xfe782288 */
40 #define INT2SMSKCR1 0x8228c /* 0xfe78228c */
42 #define INT2NTSR0 0x00018 /* 0xfe700018 */
43 #define INT2NTSR1 0x0002c /* 0xfe70002c */
45 static void __init
r8a7778_init_irq_dt(void)
47 void __iomem
*base
= ioremap_nocache(0xfe700000, 0x00100000);
53 /* route all interrupts to ARM */
54 __raw_writel(0x73ffffff, base
+ INT2NTSR0
);
55 __raw_writel(0xffffffff, base
+ INT2NTSR1
);
57 /* unmask all known interrupts in INTCS2 */
58 __raw_writel(0x08330773, base
+ INT2SMSKCR0
);
59 __raw_writel(0x00311110, base
+ INT2SMSKCR1
);
64 static const char *const r8a7778_compat_dt
[] __initconst
= {
69 DT_MACHINE_START(R8A7778_DT
, "Generic R8A7778 (Flattened Device Tree)")
70 .init_early
= shmobile_init_delay
,
71 .init_irq
= r8a7778_init_irq_dt
,
72 .init_late
= shmobile_init_late
,
73 .init_time
= r8a7778_timer_init
,
74 .dt_compat
= r8a7778_compat_dt
,
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