xref: /openbmc/u-boot/drivers/spi/fsl_qspi.h (revision 87a62bce)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2013-2014 Freescale Semiconductor, Inc.
4  *
5  * Register definitions for Freescale QSPI
6  */
7 
8 #ifndef _FSL_QSPI_H_
9 #define _FSL_QSPI_H_
10 
11 struct fsl_qspi_regs {
12 	u32 mcr;
13 	u32 rsvd0[1];
14 	u32 ipcr;
15 	u32 flshcr;
16 	u32 buf0cr;
17 	u32 buf1cr;
18 	u32 buf2cr;
19 	u32 buf3cr;
20 	u32 bfgencr;
21 	u32 soccr;
22 	u32 rsvd1[2];
23 	u32 buf0ind;
24 	u32 buf1ind;
25 	u32 buf2ind;
26 	u32 rsvd2[49];
27 	u32 sfar;
28 	u32 rsvd3[1];
29 	u32 smpr;
30 	u32 rbsr;
31 	u32 rbct;
32 	u32 rsvd4[15];
33 	u32 tbsr;
34 	u32 tbdr;
35 	u32 rsvd5[1];
36 	u32 sr;
37 	u32 fr;
38 	u32 rser;
39 	u32 spndst;
40 	u32 sptrclr;
41 	u32 rsvd6[4];
42 	u32 sfa1ad;
43 	u32 sfa2ad;
44 	u32 sfb1ad;
45 	u32 sfb2ad;
46 	u32 rsvd7[28];
47 	u32 rbdr[32];
48 	u32 rsvd8[32];
49 	u32 lutkey;
50 	u32 lckcr;
51 	u32 rsvd9[2];
52 	u32 lut[64];
53 };
54 
55 #define QSPI_IPCR_SEQID_SHIFT		24
56 #define QSPI_IPCR_SEQID_MASK		(0xf << QSPI_IPCR_SEQID_SHIFT)
57 
58 #define QSPI_MCR_END_CFD_SHIFT		2
59 #define QSPI_MCR_END_CFD_MASK		(3 << QSPI_MCR_END_CFD_SHIFT)
60 #ifdef CONFIG_SYS_FSL_QSPI_AHB
61 /* AHB needs 64bit operation */
62 #define QSPI_MCR_END_CFD_LE		(3 << QSPI_MCR_END_CFD_SHIFT)
63 #else
64 #define QSPI_MCR_END_CFD_LE		(1 << QSPI_MCR_END_CFD_SHIFT)
65 #endif
66 #define QSPI_MCR_DDR_EN_SHIFT		7
67 #define QSPI_MCR_DDR_EN_MASK		(1 << QSPI_MCR_DDR_EN_SHIFT)
68 #define QSPI_MCR_CLR_RXF_SHIFT		10
69 #define QSPI_MCR_CLR_RXF_MASK		(1 << QSPI_MCR_CLR_RXF_SHIFT)
70 #define QSPI_MCR_CLR_TXF_SHIFT		11
71 #define QSPI_MCR_CLR_TXF_MASK		(1 << QSPI_MCR_CLR_TXF_SHIFT)
72 #define QSPI_MCR_MDIS_SHIFT		14
73 #define QSPI_MCR_MDIS_MASK		(1 << QSPI_MCR_MDIS_SHIFT)
74 #define QSPI_MCR_RESERVED_SHIFT		16
75 #define QSPI_MCR_RESERVED_MASK		(0xf << QSPI_MCR_RESERVED_SHIFT)
76 #define QSPI_MCR_SWRSTHD_SHIFT		1
77 #define QSPI_MCR_SWRSTHD_MASK		(1 << QSPI_MCR_SWRSTHD_SHIFT)
78 #define QSPI_MCR_SWRSTSD_SHIFT		0
79 #define QSPI_MCR_SWRSTSD_MASK		(1 << QSPI_MCR_SWRSTSD_SHIFT)
80 
81 #define QSPI_SMPR_HSENA_SHIFT		0
82 #define QSPI_SMPR_HSENA_MASK		(1 << QSPI_SMPR_HSENA_SHIFT)
83 #define QSPI_SMPR_FSPHS_SHIFT		5
84 #define QSPI_SMPR_FSPHS_MASK		(1 << QSPI_SMPR_FSPHS_SHIFT)
85 #define QSPI_SMPR_FSDLY_SHIFT		6
86 #define QSPI_SMPR_FSDLY_MASK		(1 << QSPI_SMPR_FSDLY_SHIFT)
87 #define QSPI_SMPR_DDRSMP_SHIFT		16
88 #define QSPI_SMPR_DDRSMP_MASK		(7 << QSPI_SMPR_DDRSMP_SHIFT)
89 
90 #define QSPI_BUFXCR_INVALID_MSTRID	0xe
91 #define QSPI_BUF3CR_ALLMST_SHIFT	31
92 #define QSPI_BUF3CR_ALLMST_MASK		(1 << QSPI_BUF3CR_ALLMST_SHIFT)
93 #define QSPI_BUF3CR_ADATSZ_SHIFT	8
94 #define QSPI_BUF3CR_ADATSZ_MASK		(0xFF << QSPI_BUF3CR_ADATSZ_SHIFT)
95 
96 #define QSPI_BFGENCR_SEQID_SHIFT	12
97 #define QSPI_BFGENCR_SEQID_MASK		(0xf << QSPI_BFGENCR_SEQID_SHIFT)
98 #define QSPI_BFGENCR_PAR_EN_SHIFT	16
99 #define QSPI_BFGENCR_PAR_EN_MASK	(1 << QSPI_BFGENCR_PAR_EN_SHIFT)
100 
101 #define QSPI_RBSR_RDBFL_SHIFT		8
102 #define QSPI_RBSR_RDBFL_MASK		(0x3f << QSPI_RBSR_RDBFL_SHIFT)
103 
104 #define QSPI_RBCT_RXBRD_SHIFT		8
105 #define QSPI_RBCT_RXBRD_USEIPS		(1 << QSPI_RBCT_RXBRD_SHIFT)
106 
107 #define QSPI_SR_AHB_ACC_SHIFT		2
108 #define QSPI_SR_AHB_ACC_MASK		(1 << QSPI_SR_AHB_ACC_SHIFT)
109 #define QSPI_SR_IP_ACC_SHIFT		1
110 #define QSPI_SR_IP_ACC_MASK		(1 << QSPI_SR_IP_ACC_SHIFT)
111 #define QSPI_SR_BUSY_SHIFT		0
112 #define QSPI_SR_BUSY_MASK		(1 << QSPI_SR_BUSY_SHIFT)
113 
114 #define QSPI_LCKCR_LOCK			0x1
115 #define QSPI_LCKCR_UNLOCK		0x2
116 
117 #define LUT_KEY_VALUE			0x5af05af0
118 
119 #define OPRND0_SHIFT			0
120 #define OPRND0(x)			((x) << OPRND0_SHIFT)
121 #define PAD0_SHIFT			8
122 #define PAD0(x)				((x) << PAD0_SHIFT)
123 #define INSTR0_SHIFT			10
124 #define INSTR0(x)			((x) << INSTR0_SHIFT)
125 #define OPRND1_SHIFT			16
126 #define OPRND1(x)			((x) << OPRND1_SHIFT)
127 #define PAD1_SHIFT			24
128 #define PAD1(x)				((x) << PAD1_SHIFT)
129 #define INSTR1_SHIFT			26
130 #define INSTR1(x)			((x) << INSTR1_SHIFT)
131 
132 #define LUT_CMD				1
133 #define LUT_ADDR			2
134 #define LUT_DUMMY			3
135 #define LUT_READ			7
136 #define LUT_WRITE			8
137 
138 #define LUT_PAD1			0
139 #define LUT_PAD2			1
140 #define LUT_PAD4			2
141 
142 #define ADDR24BIT			0x18
143 #define ADDR32BIT			0x20
144 
145 #endif /* _FSL_QSPI_H_ */
146