nxp: ddr driver enablement for nxp layerscape soc
DDR driver for NXP layerscape SoC(s):
- lx2160aqds
- lx2162aqds
- lx2160ardb
- Other Board with SoC(s) like ls1046a, ls1043a etc;
-- These other boards are not verified yet.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: York Sun <york.sun@nxp.com>
Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: Ic84a63cb30eba054f432d479862cd4d1097cbbaf
diff --git a/drivers/nxp/ddr/include/utility.h b/drivers/nxp/ddr/include/utility.h
new file mode 100644
index 0000000..2e22ad5
--- /dev/null
+++ b/drivers/nxp/ddr/include/utility.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef UTILITY_H
+#define UTILITY_H
+
+#include <dcfg.h>
+
+#if defined(NXP_HAS_CCN504) || defined(NXP_HAS_CCN508)
+#define CCN_HN_F_SAM_CTL 0x8
+#define CCN_HN_F_REGION_SIZE 0x10000
+#endif
+
+unsigned long get_ddr_freq(struct sysinfo *sys, int ctrl_num);
+unsigned int get_memory_clk_ps(unsigned long clk);
+unsigned int picos_to_mclk(unsigned long data_rate, unsigned int picos);
+unsigned int get_ddrc_version(const struct ccsr_ddr *ddr);
+void print_ddr_info(struct ccsr_ddr *ddr);
+
+#endif