1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2016 Freescale Semiconductor, Inc.
4  */
5 
6 #ifndef FSL_MMDC_H
7 #define FSL_MMDC_H
8 
9 /* PHY Write Leveling Configuration and Error Status Register (MPWLGCR) */
10 #define MPWLGCR_HW_WL_EN		(1 << 0)
11 
12 /* PHY Pre-defined Compare and CA delay-line Configuration (MPPDCMPR2) */
13 #define MPPDCMPR2_MPR_COMPARE_EN	(1 << 0)
14 
15 
16 /* MMDC PHY Read DQS gating control register 0 (MPDGCTRL0) */
17 #define AUTO_RD_DQS_GATING_CALIBRATION_EN	(1 << 28)
18 
19 /* MMDC PHY Read Delay HW Calibration Control Register (MPRDDLHWCTL) */
20 #define MPRDDLHWCTL_AUTO_RD_CALIBRATION_EN	(1 << 4)
21 
22 /* MMDC Core Power Saving Control and Status Register (MMDC_MAPSR) */
23 #define MMDC_MAPSR_PWR_SAV_CTRL_STAT	0x00001067
24 
25 /* MMDC Core Refresh Control Register (MMDC_MDREF) */
26 #define MDREF_START_REFRESH	(1 << 0)
27 
28 /* MMDC Core Special Command Register (MDSCR) */
29 #define CMD_ADDR_MSB_MR_OP(x)	(x << 24)
30 #define CMD_ADDR_LSB_MR_ADDR(x) (x << 16)
31 #define MDSCR_DISABLE_CFG_REQ   (0 << 15)
32 #define MDSCR_ENABLE_CON_REQ	(1 << 15)
33 #define MDSCR_CON_ACK		(1 << 14)
34 #define MDSCR_WL_EN		(1 << 9)
35 #define	CMD_NORMAL		(0 << 4)
36 #define	CMD_PRECHARGE		(1 << 4)
37 #define	CMD_AUTO_REFRESH	(2 << 4)
38 #define	CMD_LOAD_MODE_REG	(3 << 4)
39 #define	CMD_ZQ_CALIBRATION	(4 << 4)
40 #define	CMD_PRECHARGE_BANK_OPEN	(5 << 4)
41 #define	CMD_MRR			(6 << 4)
42 #define CMD_BANK_ADDR_0		0x0
43 #define CMD_BANK_ADDR_1		0x1
44 #define CMD_BANK_ADDR_2		0x2
45 #define CMD_BANK_ADDR_3		0x3
46 #define CMD_BANK_ADDR_4		0x4
47 #define CMD_BANK_ADDR_5		0x5
48 #define CMD_BANK_ADDR_6		0x6
49 #define CMD_BANK_ADDR_7		0x7
50 
51 /* MMDC Core Control Register (MDCTL) */
52 #define MDCTL_SDE0		(1 << 31)
53 #define MDCTL_SDE1		(1 << 30)
54 
55 /* MMDC PHY ZQ HW control register (MMDC_MPZQHWCTRL) */
56 #define MPZQHWCTRL_ZQ_HW_FORCE	(1 << 16)
57 
58 /* MMDC PHY Measure Unit Register (MMDC_MPMUR0) */
59 #define MMDC_MPMUR0_FRC_MSR	(1 << 11)
60 
61 /* MMDC PHY Read delay-lines Configuration Register (MMDC_MPRDDLCTL) */
62 /* default 64 for a quarter cycle delay */
63 #define MMDC_MPRDDLCTL_DEFAULT_DELAY	0x40404040
64 
65 /* MMDC Registers */
66 struct mmdc_regs {
67 	u32 mdctl;
68 	u32 mdpdc;
69 	u32 mdotc;
70 	u32 mdcfg0;
71 	u32 mdcfg1;
72 	u32 mdcfg2;
73 	u32 mdmisc;
74 	u32 mdscr;
75 	u32 mdref;
76 	u32 res1[2];
77 	u32 mdrwd;
78 	u32 mdor;
79 	u32 mdmrr;
80 	u32 mdcfg3lp;
81 	u32 mdmr4;
82 	u32 mdasp;
83 	u32 res2[239];
84 	u32 maarcr;
85 	u32 mapsr;
86 	u32 maexidr0;
87 	u32 maexidr1;
88 	u32 madpcr0;
89 	u32 madpcr1;
90 	u32 madpsr0;
91 	u32 madpsr1;
92 	u32 madpsr2;
93 	u32 madpsr3;
94 	u32 madpsr4;
95 	u32 madpsr5;
96 	u32 masbs0;
97 	u32 masbs1;
98 	u32 res3[2];
99 	u32 magenp;
100 	u32 res4[239];
101 	u32 mpzqhwctrl;
102 	u32 mpzqswctrl;
103 	u32 mpwlgcr;
104 	u32 mpwldectrl0;
105 	u32 mpwldectrl1;
106 	u32 mpwldlst;
107 	u32 mpodtctrl;
108 	u32 mprddqby0dl;
109 	u32 mprddqby1dl;
110 	u32 mprddqby2dl;
111 	u32 mprddqby3dl;
112 	u32 mpwrdqby0dl;
113 	u32 mpwrdqby1dl;
114 	u32 mpwrdqby2dl;
115 	u32 mpwrdqby3dl;
116 	u32 mpdgctrl0;
117 	u32 mpdgctrl1;
118 	u32 mpdgdlst0;
119 	u32 mprddlctl;
120 	u32 mprddlst;
121 	u32 mpwrdlctl;
122 	u32 mpwrdlst;
123 	u32 mpsdctrl;
124 	u32 mpzqlp2ctl;
125 	u32 mprddlhwctl;
126 	u32 mpwrdlhwctl;
127 	u32 mprddlhwst0;
128 	u32 mprddlhwst1;
129 	u32 mpwrdlhwst0;
130 	u32 mpwrdlhwst1;
131 	u32 mpwlhwerr;
132 	u32 mpdghwst0;
133 	u32 mpdghwst1;
134 	u32 mpdghwst2;
135 	u32 mpdghwst3;
136 	u32 mppdcmpr1;
137 	u32 mppdcmpr2;
138 	u32 mpswdar0;
139 	u32 mpswdrdr0;
140 	u32 mpswdrdr1;
141 	u32 mpswdrdr2;
142 	u32 mpswdrdr3;
143 	u32 mpswdrdr4;
144 	u32 mpswdrdr5;
145 	u32 mpswdrdr6;
146 	u32 mpswdrdr7;
147 	u32 mpmur0;
148 	u32 mpwrcadl;
149 	u32 mpdccr;
150 };
151 
152 struct fsl_mmdc_info {
153 	u32 mdctl;
154 	u32 mdpdc;
155 	u32 mdotc;
156 	u32 mdcfg0;
157 	u32 mdcfg1;
158 	u32 mdcfg2;
159 	u32 mdmisc;
160 	u32 mdref;
161 	u32 mdrwd;
162 	u32 mdor;
163 	u32 mdasp;
164 	u32 mpodtctrl;
165 	u32 mpzqhwctrl;
166 	u32 mprddlctl;
167 };
168 
169 void mmdc_init(const struct fsl_mmdc_info *);
170 
171 #endif /* FSL_MMDC_H */
172