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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/mips/ar7/time.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/ar7/time.c')
-rw-r--r--arch/mips/ar7/time.c31
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
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+++ b/arch/mips/ar7/time.c
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+// 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;
+}