xref: /openbmc/u-boot/drivers/spi/fsl_qspi.h (revision a3b36c84)
1 /*
2  * Copyright 2013-2014 Freescale Semiconductor, Inc.
3  *
4  * Register definitions for Freescale QSPI
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef _FSL_QSPI_H_
10 #define _FSL_QSPI_H_
11 
12 struct fsl_qspi_regs {
13 	u32 mcr;
14 	u32 rsvd0[1];
15 	u32 ipcr;
16 	u32 flshcr;
17 	u32 buf0cr;
18 	u32 buf1cr;
19 	u32 buf2cr;
20 	u32 buf3cr;
21 	u32 bfgencr;
22 	u32 soccr;
23 	u32 rsvd1[2];
24 	u32 buf0ind;
25 	u32 buf1ind;
26 	u32 buf2ind;
27 	u32 rsvd2[49];
28 	u32 sfar;
29 	u32 rsvd3[1];
30 	u32 smpr;
31 	u32 rbsr;
32 	u32 rbct;
33 	u32 rsvd4[15];
34 	u32 tbsr;
35 	u32 tbdr;
36 	u32 rsvd5[1];
37 	u32 sr;
38 	u32 fr;
39 	u32 rser;
40 	u32 spndst;
41 	u32 sptrclr;
42 	u32 rsvd6[4];
43 	u32 sfa1ad;
44 	u32 sfa2ad;
45 	u32 sfb1ad;
46 	u32 sfb2ad;
47 	u32 rsvd7[28];
48 	u32 rbdr[32];
49 	u32 rsvd8[32];
50 	u32 lutkey;
51 	u32 lckcr;
52 	u32 rsvd9[2];
53 	u32 lut[64];
54 };
55 
56 #define QSPI_IPCR_SEQID_SHIFT		24
57 #define QSPI_IPCR_SEQID_MASK		(0xf << QSPI_IPCR_SEQID_SHIFT)
58 
59 #define QSPI_MCR_END_CFD_SHIFT		2
60 #define QSPI_MCR_END_CFD_MASK		(3 << QSPI_MCR_END_CFD_SHIFT)
61 #ifdef CONFIG_SYS_FSL_QSPI_AHB
62 /* AHB needs 64bit operation */
63 #define QSPI_MCR_END_CFD_LE		(3 << QSPI_MCR_END_CFD_SHIFT)
64 #else
65 #define QSPI_MCR_END_CFD_LE		(1 << QSPI_MCR_END_CFD_SHIFT)
66 #endif
67 #define QSPI_MCR_DDR_EN_SHIFT		7
68 #define QSPI_MCR_DDR_EN_MASK		(1 << QSPI_MCR_DDR_EN_SHIFT)
69 #define QSPI_MCR_CLR_RXF_SHIFT		10
70 #define QSPI_MCR_CLR_RXF_MASK		(1 << QSPI_MCR_CLR_RXF_SHIFT)
71 #define QSPI_MCR_CLR_TXF_SHIFT		11
72 #define QSPI_MCR_CLR_TXF_MASK		(1 << QSPI_MCR_CLR_TXF_SHIFT)
73 #define QSPI_MCR_MDIS_SHIFT		14
74 #define QSPI_MCR_MDIS_MASK		(1 << QSPI_MCR_MDIS_SHIFT)
75 #define QSPI_MCR_RESERVED_SHIFT		16
76 #define QSPI_MCR_RESERVED_MASK		(0xf << QSPI_MCR_RESERVED_SHIFT)
77 #define QSPI_MCR_SWRSTHD_SHIFT		1
78 #define QSPI_MCR_SWRSTHD_MASK		(1 << QSPI_MCR_SWRSTHD_SHIFT)
79 #define QSPI_MCR_SWRSTSD_SHIFT		0
80 #define QSPI_MCR_SWRSTSD_MASK		(1 << QSPI_MCR_SWRSTSD_SHIFT)
81 
82 #define QSPI_SMPR_HSENA_SHIFT		0
83 #define QSPI_SMPR_HSENA_MASK		(1 << QSPI_SMPR_HSENA_SHIFT)
84 #define QSPI_SMPR_FSPHS_SHIFT		5
85 #define QSPI_SMPR_FSPHS_MASK		(1 << QSPI_SMPR_FSPHS_SHIFT)
86 #define QSPI_SMPR_FSDLY_SHIFT		6
87 #define QSPI_SMPR_FSDLY_MASK		(1 << QSPI_SMPR_FSDLY_SHIFT)
88 #define QSPI_SMPR_DDRSMP_SHIFT		16
89 #define QSPI_SMPR_DDRSMP_MASK		(7 << QSPI_SMPR_DDRSMP_SHIFT)
90 
91 #define QSPI_BUFXCR_INVALID_MSTRID	0xe
92 #define QSPI_BUF3CR_ALLMST_SHIFT	31
93 #define QSPI_BUF3CR_ALLMST_MASK		(1 << QSPI_BUF3CR_ALLMST_SHIFT)
94 #define QSPI_BUF3CR_ADATSZ_SHIFT	8
95 #define QSPI_BUF3CR_ADATSZ_MASK		(0xFF << QSPI_BUF3CR_ADATSZ_SHIFT)
96 
97 #define QSPI_BFGENCR_SEQID_SHIFT	12
98 #define QSPI_BFGENCR_SEQID_MASK		(0xf << QSPI_BFGENCR_SEQID_SHIFT)
99 #define QSPI_BFGENCR_PAR_EN_SHIFT	16
100 #define QSPI_BFGENCR_PAR_EN_MASK	(1 << QSPI_BFGENCR_PAR_EN_SHIFT)
101 
102 #define QSPI_RBSR_RDBFL_SHIFT		8
103 #define QSPI_RBSR_RDBFL_MASK		(0x3f << QSPI_RBSR_RDBFL_SHIFT)
104 
105 #define QSPI_RBCT_RXBRD_SHIFT		8
106 #define QSPI_RBCT_RXBRD_USEIPS		(1 << QSPI_RBCT_RXBRD_SHIFT)
107 
108 #define QSPI_SR_AHB_ACC_SHIFT		2
109 #define QSPI_SR_AHB_ACC_MASK		(1 << QSPI_SR_AHB_ACC_SHIFT)
110 #define QSPI_SR_IP_ACC_SHIFT		1
111 #define QSPI_SR_IP_ACC_MASK		(1 << QSPI_SR_IP_ACC_SHIFT)
112 #define QSPI_SR_BUSY_SHIFT		0
113 #define QSPI_SR_BUSY_MASK		(1 << QSPI_SR_BUSY_SHIFT)
114 
115 #define QSPI_LCKCR_LOCK			0x1
116 #define QSPI_LCKCR_UNLOCK		0x2
117 
118 #define LUT_KEY_VALUE			0x5af05af0
119 
120 #define OPRND0_SHIFT			0
121 #define OPRND0(x)			((x) << OPRND0_SHIFT)
122 #define PAD0_SHIFT			8
123 #define PAD0(x)				((x) << PAD0_SHIFT)
124 #define INSTR0_SHIFT			10
125 #define INSTR0(x)			((x) << INSTR0_SHIFT)
126 #define OPRND1_SHIFT			16
127 #define OPRND1(x)			((x) << OPRND1_SHIFT)
128 #define PAD1_SHIFT			24
129 #define PAD1(x)				((x) << PAD1_SHIFT)
130 #define INSTR1_SHIFT			26
131 #define INSTR1(x)			((x) << INSTR1_SHIFT)
132 
133 #define LUT_CMD				1
134 #define LUT_ADDR			2
135 #define LUT_DUMMY			3
136 #define LUT_READ			7
137 #define LUT_WRITE			8
138 
139 #define LUT_PAD1			0
140 #define LUT_PAD2			1
141 #define LUT_PAD4			2
142 
143 #define ADDR24BIT			0x18
144 #define ADDR32BIT			0x20
145 
146 #endif /* _FSL_QSPI_H_ */
147