diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7778.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 54 |
1 files changed, 54 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..445017e8c --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -0,0 +1,54 @@ +// 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 |