arm: rmobile: rcar: Move arch_preboot_os function to rcar-gen2-common/common.c
The arch_preboot_os function used in boards using R-Car ARM SoC (r8a7790,
r8a7791, r8a7793 and r8a7794) is common.
This makes rcar-gen2-common/common.c file providing common function for
R-Car ARM SoC, and moves this function to this file.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/rcar-gen2-common/common.c b/board/renesas/rcar-gen2-common/common.c
new file mode 100644
index 0000000..23010ee
--- /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);
+}