1 files changed, 33 insertions, 0 deletions
diff --git a/arch/sh/lib/time.c b/arch/sh/lib/time.c
new file mode 100644
index 00000000000..5feb1983556
--- /dev/null
+++ b/arch/sh/lib/time.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2009
+ * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * (C) Copyright 2007-2012
+ * Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <init.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <linux/bitops.h>
+
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RENESAS)
+#define TSTR	0x4
+#define TCR0	0x10
+#endif /* CONFIG_CPU_SH4 */
+
+#define TCR_TPSC	0x07
+#define TSTR_STR0	BIT(0)
+
+int timer_init(void)
+{
+	writew(readw(TMU_BASE + TCR0) & ~TCR_TPSC, TMU_BASE + TCR0);
+	writeb(readb(TMU_BASE + TSTR) & ~TSTR_STR0, TMU_BASE + TSTR);
+	writeb(readb(TMU_BASE + TSTR) | TSTR_STR0, TMU_BASE + TSTR);
+
+	return 0;
+}