Files
cubelinux-kernel/arch/arm/mach-shmobile/setup-r8a7778.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

55 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* r8a7778 processor support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
* Copyright (C) 2013 Cogent Embedded, Inc.
*/
#include <linux/io.h>
#include <linux/irqchip.h>
#include <asm/mach/arch.h>
#include "common.h"
#define HPBREG_BASE 0xfe700000
#define INT2SMSKCR0 0x82288 /* 0xfe782288 */
#define INT2SMSKCR1 0x8228c /* 0xfe78228c */
#define INT2NTSR0 0x00018 /* 0xfe700018 */
#define INT2NTSR1 0x0002c /* 0xfe70002c */
static void __init r8a7778_init_irq_dt(void)
{
void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);
BUG_ON(!base);
irqchip_init();
/* route all interrupts to ARM */
writel(0x73ffffff, base + INT2NTSR0);
writel(0xffffffff, base + INT2NTSR1);
/* unmask all known interrupts in INTCS2 */
writel(0x08330773, base + INT2SMSKCR0);
writel(0x00311110, base + INT2SMSKCR1);
iounmap(base);
}
static const char *const r8a7778_compat_dt[] __initconst = {
"renesas,r8a7778",
NULL
};
DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
.init_early = shmobile_init_delay,
.init_irq = r8a7778_init_irq_dt,
.init_late = shmobile_init_late,
.dt_compat = r8a7778_compat_dt,
MACHINE_END