1 /*
2  * Copyright 2021 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef DDR_OPTS_H
9 #define DDR_OPTS_H
10 
11 #define SDRAM_TYPE_DDR4		5	/* sdram_cfg register */
12 
13 #define DDR_BC4			4	/* burst chop */
14 #define DDR_OTF			6	/* on-the-fly BC4 and BL8 */
15 #define DDR_BL8			8	/* burst length 8 */
16 
17 #define DDR4_RTT_OFF		0
18 #define DDR4_RTT_60_OHM		1	/* RZQ/4 */
19 #define DDR4_RTT_120_OHM	2	/* RZQ/2 */
20 #define DDR4_RTT_40_OHM		3	/* RZQ/6 */
21 #define DDR4_RTT_240_OHM	4	/* RZQ/1 */
22 #define DDR4_RTT_48_OHM		5	/* RZQ/5 */
23 #define DDR4_RTT_80_OHM		6	/* RZQ/3 */
24 #define DDR4_RTT_34_OHM		7	/* RZQ/7 */
25 #define DDR4_RTT_WR_OFF		0
26 #define DDR4_RTT_WR_120_OHM	1
27 #define DDR4_RTT_WR_240_OHM	2
28 #define DDR4_RTT_WR_HZ		3
29 #define DDR4_RTT_WR_80_OHM	4
30 #define DDR_ODT_NEVER		0x0
31 #define DDR_ODT_CS		0x1
32 #define DDR_ODT_ALL_OTHER_CS	0x2
33 #define DDR_ODT_OTHER_DIMM	0x3
34 #define DDR_ODT_ALL		0x4
35 #define DDR_ODT_SAME_DIMM	0x5
36 #define DDR_ODT_CS_AND_OTHER_DIMM 0x6
37 #define DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7
38 #define DDR_BA_INTLV_CS01	0x40
39 #define DDR_BA_INTLV_CS0123	0x64
40 #define DDR_BA_NONE		0
41 #define DDR_256B_INTLV		0x8
42 
43 struct memctl_opt {
44 	int rdimm;
45 	unsigned int dbw_cap_shift;
46 	struct local_opts_s {
47 		unsigned int auto_precharge;
48 		unsigned int odt_rd_cfg;
49 		unsigned int odt_wr_cfg;
50 		unsigned int odt_rtt_norm;
51 		unsigned int odt_rtt_wr;
52 	} cs_odt[DDRC_NUM_CS];
53 	int ctlr_intlv;
54 	unsigned int ctlr_intlv_mode;
55 	unsigned int ba_intlv;
56 	int addr_hash;
57 	int ecc_mode;
58 	int ctlr_init_ecc;
59 	int self_refresh_in_sleep;
60 	int self_refresh_irq_en;
61 	int dynamic_power;
62 	/* memory data width 0 = 64-bit, 1 = 32-bit, 2 = 16-bit */
63 	unsigned int data_bus_dimm;
64 	unsigned int data_bus_used;	/* on individual board */
65 	unsigned int burst_length;	/* BC4, OTF and BL8 */
66 	int otf_burst_chop_en;
67 	int mirrored_dimm;
68 	int quad_rank_present;
69 	int output_driver_impedance;
70 	int ap_en;
71 	int x4_en;
72 
73 	int caslat_override;
74 	unsigned int caslat_override_value;
75 	int addt_lat_override;
76 	unsigned int addt_lat_override_value;
77 
78 	unsigned int clk_adj;
79 	unsigned int cpo_sample;
80 	unsigned int wr_data_delay;
81 
82 	unsigned int cswl_override;
83 	unsigned int wrlvl_override;
84 	unsigned int wrlvl_sample;
85 	unsigned int wrlvl_start;
86 	unsigned int wrlvl_ctl_2;
87 	unsigned int wrlvl_ctl_3;
88 
89 	int half_strength_drive_en;
90 	int twot_en;
91 	int threet_en;
92 	unsigned int bstopre;
93 	unsigned int tfaw_ps;
94 
95 	int rtt_override;
96 	unsigned int rtt_override_value;
97 	unsigned int rtt_wr_override_value;
98 	unsigned int rtt_park;
99 
100 	int auto_self_refresh_en;
101 	unsigned int sr_it;
102 	unsigned int ddr_cdr1;
103 	unsigned int ddr_cdr2;
104 
105 	unsigned int trwt_override;
106 	unsigned int trwt;
107 	unsigned int twrt;
108 	unsigned int trrt;
109 	unsigned int twwt;
110 
111 	unsigned int vref_phy;
112 	unsigned int vref_dimm;
113 	unsigned int odt;
114 	unsigned int phy_tx_impedance;
115 	unsigned int phy_atx_impedance;
116 	unsigned int skip2d;
117 };
118 
119 #endif /* DDR_OPTS_H */
120