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/phy-gen2/input.h b/drivers/nxp/ddr/phy-gen2/input.h
new file mode 100644
index 0000000..dbcd1ae
--- /dev/null
+++ b/drivers/nxp/ddr/phy-gen2/input.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2021 NXP
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef _INPUT_H_
+#define _INPUT_H_
+
+enum dram_types {
+ DDR4,
+ DDR3,
+ LPDDR4,
+ LPDDR3,
+ LPDDR2,
+ DDR5,
+};
+
+enum dimm_types {
+ UDIMM,
+ SODIMM,
+ RDIMM,
+ LRDIMM,
+ NODIMM,
+};
+
+struct input_basic {
+ enum dram_types dram_type;
+ enum dimm_types dimm_type;
+ int lp4x_mode; /* 0x1 = lpddr4x mode, when dram_type is lpddr4
+ */
+ /* not used for protocols other than lpddr4 */
+ int num_dbyte; /* number of dbytes physically instantiated */
+ int num_active_dbyte_dfi0; /* number of active dbytes to be
+ * controlled by dfi0
+ */
+ int num_active_dbyte_dfi1; /* number of active dbytes to be
+ * controlled by dfi1. Not used for
+ * protocols other than lpddr3 and
+ * lpddr4
+ */
+ int num_anib; /* number of anibs physically instantiated */
+ int num_rank_dfi0; /* number of ranks in dfi0 channel */
+ int num_rank_dfi1; /* number of ranks in dfi1 channel */
+ int dram_data_width; /* 4,8,16 or 32 depending on protocol and dram
+ * type
+ */
+ int num_pstates;
+ int frequency; /* memclk frequency in mhz -- round up */
+ int pll_bypass; /* pll bypass enable */
+ int dfi_freq_ratio; /* selected dfi frequency ratio */
+ int dfi1exists; /* whether they phy config has dfi1 channel */
+ int train2d;
+ int hard_macro_ver;
+ int read_dbienable;
+ int dfi_mode; /* no longer used */
+};
+
+struct input_advanced {
+ int d4rx_preamble_length;
+ int d4tx_preamble_length;
+ int ext_cal_res_val; /* external pull-down resistor */
+ int is2ttiming;
+ int odtimpedance;
+ int tx_impedance;
+ int atx_impedance;
+ int mem_alert_en;
+ int mem_alert_puimp;
+ int mem_alert_vref_level;
+ int mem_alert_sync_bypass;
+ int dis_dyn_adr_tri;
+ int phy_mstr_train_interval;
+ int phy_mstr_max_req_to_ack;
+ int wdqsext;
+ int cal_interval;
+ int cal_once;
+ int dram_byte_swap;
+ int rx_en_back_off;
+ int train_sequence_ctrl;
+ int phy_gen2_umctl_opt;
+ int phy_gen2_umctl_f0rc5x;
+ int tx_slew_rise_dq;
+ int tx_slew_fall_dq;
+ int tx_slew_rise_ac;
+ int tx_slew_fall_ac;
+ int enable_high_clk_skew_fix;
+ int disable_unused_addr_lns;
+ int phy_init_sequence_num;
+ int cs_mode; /* rdimm */
+ int cast_cs_to_cid; /* rdimm */
+};
+
+struct input {
+ struct input_basic basic;
+ struct input_advanced adv;
+ unsigned int mr[7];
+ unsigned int cs_d0;
+ unsigned int cs_d1;
+ unsigned int mirror;
+ unsigned int odt[4];
+ unsigned int rcw[16];
+ unsigned int rcw3x;
+ unsigned int vref;
+};
+
+#endif