ARM: mvebu: a38x: sync ddr training code with upstream

[u-boot] / drivers / ddr / marvell / a38x / mv_ddr_common.h

diff --git a/drivers/ddr/marvell/a38x/mv_ddr_common.h b/drivers/ddr/marvell/a38x/mv_ddr_common.h
new file mode 100644 (file)
index 0000000..c71ff44
--- /dev/null
+++ b/drivers/ddr/marvell/a38x/mv_ddr_common.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ */
+
+#ifndef _MV_DDR_COMMON_H
+#define _MV_DDR_COMMON_H
+
+extern const char mv_ddr_build_message[];
+extern const char mv_ddr_version_string[];
+
+#define MV_DDR_NUM_BITS_IN_BYTE        8
+#define MV_DDR_MEGA_BITS       (1024 * 1024)
+#define MV_DDR_32_BITS_MASK    0xffffffff
+
+unsigned int ceil_div(unsigned int x, unsigned int y);
+unsigned int time_to_nclk(unsigned int t, unsigned int tclk);
+int round_div(unsigned int dividend, unsigned int divisor, unsigned int *quotient);
+
+#endif /* _MV_DDR_COMMON_H */