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-rw-r--r--board/renesas/rcar-gen2-common/common.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/board/renesas/rcar-gen2-common/common.c b/board/renesas/rcar-gen2-common/common.c
new file mode 100644
index 0000000000..23010ee91b
--- /dev/null
+++ b/board/renesas/rcar-gen2-common/common.c
@@ -0,0 +1,27 @@
+/*
+ * board/renesas/rcar-gen2-common/common.c
+ *
+ * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/rmobile.h>
+#include <asm/arch/rcar-mstp.h>
+
+#define TSTR0 0x04
+#define TSTR0_STR0 0x01
+
+#define TMU0_MSTP125 (1 << 25)
+void arch_preboot_os(void)
+{
+ /* stop TMU0 */
+ mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0);
+
+ /* Disable TMU0 */
+ mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+}
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