2 * Copyright (C) Marvell International Ltd. and its affiliates
4 * SPDX-License-Identifier: GPL-2.0
7 #ifndef _DDR_TOPOLOGY_DEF_H
8 #define _DDR_TOPOLOGY_DEF_H
10 #include "ddr3_training_ip_def.h"
11 #include "ddr3_topology_def.h"
13 #if defined(CONFIG_ARMADA_38X)
14 #include "ddr3_a38x.h"
17 /* bus width in bits */
25 enum hws_temperature {
47 /* Chip Select (CS) bitmask (bits 0-CS0, bit 1- CS1 ...) */
51 * mirror enable/disable
52 * (bits 0-CS0 mirroring, bit 1- CS1 mirroring ...)
54 int mirror_enable_bitmask;
56 /* DQS Swap (polarity) - true if enable */
59 /* CK swap (polarity) - true if enable */
64 /* bus configuration */
65 struct bus_params as_bus_params[MAX_BUS_NUM];
68 enum hws_speed_bin speed_bin_index;
70 /* bus width of memory */
71 enum hws_bus_width bus_width;
73 /* Bus memory size (MBit) */
74 enum hws_mem_size memory_size;
76 /* The DDR frequency for each interfaces */
77 enum hws_ddr_freq memory_freq;
80 * delay CAS Write Latency
81 * - 0 for using default value (jedec suggested)
87 * - 0 for using default value (jedec suggested)
91 /* operation temperature */
92 enum hws_temperature interface_temp;
94 /* 2T vs 1T mode (by default computed from number of CSs) */
95 enum hws_timing timing;
98 struct hws_topology_map {
99 /* Number of interfaces (default is 12) */
102 /* Controller configuration per interface */
103 struct if_params interface_params[MAX_INTERFACE_NUM];
105 /* BUS per interface (default is 4) */
106 u8 num_of_bus_per_interface;
108 /* Bit mask for active buses */
112 /* DDR3 training global configuration parameters */
113 struct tune_train_params {
121 #endif /* _DDR_TOPOLOGY_DEF_H */