1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// SPDX-License-Identifier: GPL-2.0
/*
* r8a7779 processor support
*
* Copyright (C) 2011, 2013 Renesas Solutions Corp.
* Copyright (C) 2011 Magnus Damm
* Copyright (C) 2013 Cogent Embedded, Inc.
*/
#include <linux/init.h>
#include <linux/irqchip.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "r8a7779.h"
#define HPBREG_BASE 0xfe700000
/* IRQ */
#define INT2SMSKCR0 0x822a0 /* Interrupt Submask Clear Register 0 */
#define INT2SMSKCR1 0x822a4 /* Interrupt Submask Clear Register 1 */
#define INT2SMSKCR2 0x822a8 /* Interrupt Submask Clear Register 2 */
#define INT2SMSKCR3 0x822ac /* Interrupt Submask Clear Register 3 */
#define INT2SMSKCR4 0x822b0 /* Interrupt Submask Clear Register 4 */
#define INT2NTSR0 0x00060 /* Interrupt Notification Select Register 0 */
#define INT2NTSR1 0x00064 /* Interrupt Notification Select Register 1 */
static void __init r8a7779_init_irq_dt(void)
{
void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);
irqchip_init();
/* route all interrupts to ARM */
writel(0xffffffff, base + INT2NTSR0);
writel(0x3fffffff, base + INT2NTSR1);
/* unmask all known interrupts in INTCS2 */
writel(0xfffffff0, base + INT2SMSKCR0);
writel(0xfff7ffff, base + INT2SMSKCR1);
writel(0xfffbffdf, base + INT2SMSKCR2);
writel(0xbffffffc, base + INT2SMSKCR3);
writel(0x003fee3f, base + INT2SMSKCR4);
iounmap(base);
}
static const char *const r8a7779_compat_dt[] __initconst = {
"renesas,r8a7779",
NULL,
};
DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
.smp = smp_ops(r8a7779_smp_ops),
.init_irq = r8a7779_init_irq_dt,
.init_late = shmobile_init_late,
.dt_compat = r8a7779_compat_dt,
MACHINE_END
|
