1 files changed, 45 insertions, 0 deletions
diff --git a/plat/imx/common/include/dram.h b/plat/imx/common/include/dram.h
new file mode 100644
index 00000000..5545fadb
--- /dev/null
+++ b/plat/imx/common/include/dram.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2018 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __DRAM_H__
+#define __DRAM_H__
+
+#include <utils_def.h>
+
+#define DDRC_LPDDR4	BIT(5)
+#define DDR_TYPE_MASK	0x3f
+
+#define DDRPHY_REG(x)	(0x3c000000 + 4*x)
+
+/* reg & config param */
+struct dram_cfg_param {
+	unsigned int reg;
+	unsigned int cfg;
+};
+
+struct dram_info {
+	int dram_type;
+	int current_fsp;
+	int boot_fsp;
+	struct dram_cfg_param *ddrc_cfg;
+	unsigned int ddrc_cfg_num;
+	struct dram_cfg_param *ddrphy_cfg;
+	unsigned int ddrphy_cfg_num;
+};
+
+/* lpddr4 ddrc and phy config info */
+extern struct dram_info imx8m_lpddr4_dram_info;
+
+void ddrphy_load_pie_image(void);
+void dram_info_init(void);
+void lpddr4_enter_retention(void);
+void lpddr4_exit_retention(void);
+void dram_umctl2_init(void);
+void dram_phy_init(void);
+void dram_enter_retention(void);
+void dram_exit_retention(void);
+
+#endif /* __DRAM_H__ */