From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/arm/mach-shmobile/setup-r8a7779.c | 60 ++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 arch/arm/mach-shmobile/setup-r8a7779.c (limited to 'arch/arm/mach-shmobile/setup-r8a7779.c') diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c new file mode 100644 index 0000000000..c3af2c8925 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -0,0 +1,60 @@ +// 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 +#include + +#include +#include + +#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 -- cgit v1.2.3