Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c
new file mode 100644
index 0000000000..72aa77d708
--- /dev/null
+++ b/arch/mips/ar7/time.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * Setting up the clock on the MIPS boards.
+ */
+
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+
+#include <asm/time.h>
+#include <asm/mach-ar7/ar7.h>
+
+void __init plat_time_init(void)
+{
+	struct clk *cpu_clk;
+
+	/* Initialize ar7 clocks so the CPU clock frequency is correct */
+	ar7_init_clocks();
+
+	cpu_clk = clk_get(NULL, "cpu");
+	if (IS_ERR(cpu_clk)) {
+		printk(KERN_ERR "unable to get cpu clock\n");
+		return;
+	}
+
+	mips_hpt_frequency = clk_get_rate(cpu_clk) / 2;
+}