Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 0000000000..445017e8cf
--- /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