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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-shmobile/setup-r8a7778.c | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7778.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c new file mode 100644 index 000000000..ce51794f6 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -0,0 +1,52 @@ +// 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 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_nocache(0xfe700000, 0x00100000); + + BUG_ON(!base); + + irqchip_init(); + + /* route all interrupts to ARM */ + __raw_writel(0x73ffffff, base + INT2NTSR0); + __raw_writel(0xffffffff, base + INT2NTSR1); + + /* unmask all known interrupts in INTCS2 */ + __raw_writel(0x08330773, base + INT2SMSKCR0); + __raw_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 |