1 /*
2  * Copyright 2021 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef DDR_REG_H
9 #define DDR_REG_H
10 
11 #define SDRAM_CS_CONFIG_EN		0x80000000
12 
13 /* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
14  */
15 #define SDRAM_CFG_MEM_EN		0x80000000
16 #define SDRAM_CFG_SREN			0x40000000
17 #define SDRAM_CFG_ECC_EN		0x20000000
18 #define SDRAM_CFG_RD_EN			0x10000000
19 #define SDRAM_CFG_SDRAM_TYPE_MASK	0x07000000
20 #define SDRAM_CFG_SDRAM_TYPE_SHIFT	24
21 #define SDRAM_CFG_DYN_PWR		0x00200000
22 #define SDRAM_CFG_DBW_MASK		0x00180000
23 #define SDRAM_CFG_DBW_SHIFT		19
24 #define SDRAM_CFG_32_BW			0x00080000
25 #define SDRAM_CFG_16_BW			0x00100000
26 #define SDRAM_CFG_8_BW			0x00180000
27 #define SDRAM_CFG_8_BE			0x00040000
28 #define SDRAM_CFG_2T_EN			0x00008000
29 #define SDRAM_CFG_MEM_HLT		0x00000002
30 #define SDRAM_CFG_BI			0x00000001
31 
32 #define SDRAM_CFG2_FRC_SR		0x80000000
33 #define SDRAM_CFG2_FRC_SR_CLEAR		~(SDRAM_CFG2_FRC_SR)
34 #define SDRAM_CFG2_D_INIT		0x00000010
35 #define SDRAM_CFG2_AP_EN		0x00000020
36 #define SDRAM_CFG2_ODT_ONLY_READ	2
37 
38 #define SDRAM_CFG3_DDRC_RST		0x80000000
39 
40 #define SDRAM_INTERVAL_REFINT	0xFFFF0000
41 #define SDRAM_INTERVAL_REFINT_CLEAR	~(SDRAM_INTERVAL_REFINT)
42 #define SDRAM_INTERVAL_BSTOPRE	0x3FFF
43 
44 /* DDR_MD_CNTL */
45 #define MD_CNTL_MD_EN		0x80000000
46 #define MD_CNTL_CS_SEL(x)	(((x) & 0x7) << 28)
47 #define MD_CNTL_MD_SEL(x)	(((x) & 0xf) << 24)
48 #define MD_CNTL_CKE(x)		(((x) & 0x3) << 20)
49 
50 /* DDR_CDR1 */
51 #define DDR_CDR1_DHC_EN	0x80000000
52 #define DDR_CDR1_ODT_SHIFT	17
53 #define DDR_CDR1_ODT_MASK	0x6
54 #define DDR_CDR2_ODT_MASK	0x1
55 #define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
56 #define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
57 #define DDR_CDR2_VREF_OVRD(x)	(0x00008080 | ((((x) - 37) & 0x3F) << 8))
58 #define DDR_CDR2_VREF_TRAIN_EN	0x00000080
59 #define DDR_CDR2_VREF_RANGE_2	0x00000040
60 #define DDR_CDR_ODT_OFF		0x0
61 #define DDR_CDR_ODT_100ohm	0x1
62 #define DDR_CDR_ODT_120OHM	0x2
63 #define DDR_CDR_ODT_80ohm	0x3
64 #define DDR_CDR_ODT_60ohm	0x4
65 #define DDR_CDR_ODT_40ohm	0x5
66 #define DDR_CDR_ODT_50ohm	0x6
67 #define DDR_CDR_ODT_30ohm	0x7
68 
69 
70 /* DDR ERR_DISABLE */
71 #define DDR_ERR_DISABLE_APED	(1 << 8)  /* Address parity error disable */
72 #define DDR_ERR_DISABLE_SBED	(1 << 2)  /* Address parity error disable */
73 #define DDR_ERR_DISABLE_MBED	(1 << 3)  /* Address parity error disable */
74 
75 /* Mode Registers */
76 #define DDR_MR5_CA_PARITY_LAT_4_CLK	0x1 /* for DDR4-1600/1866/2133 */
77 #define DDR_MR5_CA_PARITY_LAT_5_CLK	0x2 /* for DDR4-2400 */
78 
79 /* DDR DSR2  register */
80 #define DDR_DSR_2_PHY_INIT_CMPLT	0x4
81 
82 /* SDRAM TIMING_CFG_10 register */
83 #define DDR_TIMING_CFG_10_T_STAB	0x7FFF
84 
85 /* DEBUG 2 register */
86 #define DDR_DBG_2_MEM_IDLE		0x00000002
87 
88 /* DEBUG 26 register */
89 #define DDR_DEBUG_26_BIT_6		(0x1 << 6)
90 #define DDR_DEBUG_26_BIT_7		(0x1 << 7)
91 #define DDR_DEBUG_26_BIT_12		(0x1 << 12)
92 #define DDR_DEBUG_26_BIT_13		(0x1 << 13)
93 #define DDR_DEBUG_26_BIT_14		(0x1 << 14)
94 #define DDR_DEBUG_26_BIT_15		(0x1 << 15)
95 #define DDR_DEBUG_26_BIT_16		(0x1 << 16)
96 #define DDR_DEBUG_26_BIT_17		(0x1 << 17)
97 #define DDR_DEBUG_26_BIT_18		(0x1 << 18)
98 #define DDR_DEBUG_26_BIT_19		(0x1 << 19)
99 #define DDR_DEBUG_26_BIT_24		(0x1 << 24)
100 #define DDR_DEBUG_26_BIT_25		(0x1 << 25)
101 
102 #define DDR_DEBUG_26_BIT_24_CLEAR	~(DDR_DEBUG_26_BIT_24)
103 
104 /* DEBUG_29 register */
105 #define DDR_TX_BD_DIS	(1 << 10) /* Transmit Bit Deskew Disable */
106 
107 #define DDR_INIT_ADDR_EXT_UIA	(1 << 31)
108 
109 #endif /* DDR_REG_H */
110