summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/arch-mx7/mx7-ddr.h
blob: 3c0790487e108dadea81fe69b631cc3cf86aec44 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * DDR controller registers of the i.MX7 architecture
 *
 * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
 *
 * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
 */

#ifndef __ASM_ARCH_MX7_DDR_H__
#define __ASM_ARCH_MX7_DDR_H__

/* DDRC Registers (DDRC_IPS_BASE_ADDR) */
struct ddrc {
	u32 mstr;		/* 0x0000 */
	u32 reserved1[0x18];
	u32 rfshtmg;		/* 0x0064 */
	u32 reserved2[0x1a];
	u32 init0;		/* 0x00d0 */
	u32 init1;		/* 0x00d4 */
	u32 reserved3;
	u32 init3;		/* 0x00dc */
	u32 init4;		/* 0x00e0 */
	u32 init5;		/* 0x00e4 */
	u32 reserved4[0x03];
	u32 rankctl;		/* 0x00f4 */
	u32 reserved5[0x02];
	u32 dramtmg0;		/* 0x0100 */
	u32 dramtmg1;		/* 0x0104 */
	u32 dramtmg2;		/* 0x0108 */
	u32 dramtmg3;		/* 0x010c */
	u32 dramtmg4;		/* 0x0110 */
	u32 dramtmg5;		/* 0x0114 */
	u32 reserved6[0x02];
	u32 dramtmg8;		/* 0x0120 */
	u32 reserved7[0x17];
	u32 zqctl0;		/* 0x0180 */
	u32 reserved8[0x03];
	u32 dfitmg0;		/* 0x0190 */
	u32 dfitmg1;		/* 0x0194 */
	u32 reserved9[0x02];
	u32 dfiupd0;		/* 0x01a0 */
	u32 dfiupd1;		/* 0x01a4 */
	u32 dfiupd2;		/* 0x01a8 */
	u32 reserved10[0x15];
	u32 addrmap0;		/* 0x0200 */
	u32 addrmap1;		/* 0x0204 */
	u32 addrmap2;		/* 0x0208 */
	u32 addrmap3;		/* 0x020c */
	u32 addrmap4;		/* 0x0210 */
	u32 addrmap5;		/* 0x0214 */
	u32 addrmap6;		/* 0x0218 */
	u32 reserved12[0x09];
	u32 odtcfg;		/* 0x0240 */
	u32 odtmap;		/* 0x0244 */
};

/* DDRC_MSTR fields */
#define MSTR_DATA_BUS_WIDTH_MASK	0x3 << 12
#define MSTR_DATA_BUS_WIDTH_SHIFT	12
#define MSTR_DATA_ACTIVE_RANKS_MASK	0xf << 24
#define MSTR_DATA_ACTIVE_RANKS_SHIFT	24
/* DDRC_ADDRMAP1 fields */
#define ADDRMAP1_BANK_B0_MASK		0x1f << 0
#define ADDRMAP1_BANK_B0_SHIFT		0
#define ADDRMAP1_BANK_B1_MASK		0x1f << 8
#define ADDRMAP1_BANK_B1_SHIFT		8
#define ADDRMAP1_BANK_B2_MASK		0x1f << 16
#define ADDRMAP1_BANK_B2_SHIFT		16
/* DDRC_ADDRMAP2 fields */
#define ADDRMAP2_COL_B2_MASK		0xF << 0
#define ADDRMAP2_COL_B2_SHIFT		0
#define ADDRMAP2_COL_B3_MASK		0xF << 8
#define ADDRMAP2_COL_B3_SHIFT		8
#define ADDRMAP2_COL_B4_MASK		0xF << 16
#define ADDRMAP2_COL_B4_SHIFT		16
#define ADDRMAP2_COL_B5_MASK		0xF << 24
#define ADDRMAP2_COL_B5_SHIFT		24
/* DDRC_ADDRMAP3 fields */
#define ADDRMAP3_COL_B6_MASK		0xF << 0
#define ADDRMAP3_COL_B6_SHIFT		0
#define ADDRMAP3_COL_B7_MASK		0xF << 8
#define ADDRMAP3_COL_B7_SHIFT		8
#define ADDRMAP3_COL_B8_MASK		0xF << 16
#define ADDRMAP3_COL_B8_SHIFT		16
#define ADDRMAP3_COL_B9_MASK		0xF << 24
#define ADDRMAP3_COL_B9_SHIFT		24
/* DDRC_ADDRMAP4 fields */
#define ADDRMAP4_COL_B10_MASK		0xF << 0
#define ADDRMAP4_COL_B10_SHIFT		0
#define ADDRMAP4_COL_B11_MASK		0xF << 8
#define ADDRMAP4_COL_B11_SHIFT		8
/* DDRC_ADDRMAP5 fields */
#define ADDRMAP5_ROW_B0_MASK		0xF << 0
#define ADDRMAP5_ROW_B0_SHIFT		0
#define ADDRMAP5_ROW_B1_MASK		0xF << 8
#define ADDRMAP5_ROW_B1_SHIFT		8
#define ADDRMAP5_ROW_B2_10_MASK		0xF << 16
#define ADDRMAP5_ROW_B2_10_SHIFT	16
#define ADDRMAP5_ROW_B11_MASK		0xF << 24
#define ADDRMAP5_ROW_B11_SHIFT		24
/* DDRC_ADDRMAP6 fields */
#define ADDRMAP6_ROW_B12_MASK		0xF << 0
#define ADDRMAP6_ROW_B12_SHIFT		0
#define ADDRMAP6_ROW_B13_MASK		0xF << 8
#define ADDRMAP6_ROW_B13_SHIFT		8
#define ADDRMAP6_ROW_B14_MASK		0xF << 16
#define ADDRMAP6_ROW_B14_SHIFT		16
#define ADDRMAP6_ROW_B15_MASK		0xF << 24
#define ADDRMAP6_ROW_B15_SHIFT		24

/* DDRC_MP Registers */
#define DDRC_MP_BASE_ADDR (DDRC_IPS_BASE_ADDR + 0x03fc)
struct ddrc_mp {
	u32 reserved1[0x25];
	u32 pctrl_0;		/* 0x0094 */
};

/* DDR_PHY registers */
struct ddr_phy {
	u32 phy_con0;		/* 0x0000 */
	u32 phy_con1;		/* 0x0004 */
	u32 reserved1[0x02];
	u32 phy_con4;		/* 0x0010 */
	u32 reserved2;
	u32 offset_lp_con0;	/* 0x0018 */
	u32 reserved3;
	u32 offset_rd_con0;	/* 0x0020 */
	u32 reserved4[0x03];
	u32 offset_wr_con0;	/* 0x0030 */
	u32 reserved5[0x07];
	u32 cmd_sdll_con0;	/* 0x0050 */
	u32 reserved6[0x12];
	u32 drvds_con0;		/* 0x009c */
	u32 reserved7[0x04];
	u32 mdll_con0;		/* 0x00b0 */
	u32 reserved8[0x03];
	u32 zq_con0;		/* 0x00c0 */
};

#define DDR_PHY_CMD_SDLL_CON0_CTRL_RESYNC_MASK BIT(24)

#define MX7_CAL_VAL_MAX 5
/* Calibration parameters */
struct mx7_calibration {
	int num_val;			/* Number of calibration values */
	u32 values[MX7_CAL_VAL_MAX];	/* calibration values */
};

void mx7_dram_cfg(struct ddrc *ddrc_regs_val, struct ddrc_mp *ddrc_mp_val,
		  struct ddr_phy *ddr_phy_regs_val,
		  struct mx7_calibration *calib_param);

#endif	/*__ASM_ARCH_MX7_DDR_H__ */