xref: /rk3399_ARM-atf/plat/intel/soc/common/drivers/qspi/cadence_qspi.h (revision bf719f66a7f2261b69b397072cec5ad99c573891)
1 /*
2  * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CAD_QSPI_H
8 #define CAD_QSPI_H
9 
10 #define CAD_QSPI_MICRON_N25Q_SUPPORT		1
11 
12 #define CAD_QSPI_OFFSET				0xff8d2000
13 
14 #define CAD_INVALID				-1
15 #define CAD_QSPI_ERROR				-2
16 
17 #define CAD_QSPI_ADDR_FASTREAD			0
18 #define CAD_QSPI_ADDR_FASTREAD_DUAL_IO		1
19 #define CAD_QSPI_ADDR_FASTREAD_QUAD_IO		2
20 #define CAT_QSPI_ADDR_SINGLE_IO			0
21 #define CAT_QSPI_ADDR_DUAL_IO			1
22 #define CAT_QSPI_ADDR_QUAD_IO			2
23 
24 #define CAD_QSPI_BANK_ADDR(x)			((x) >> 24)
25 #define CAD_QSPI_BANK_ADDR_MSK			0xff000000
26 
27 #define CAD_QSPI_COMMAND_TIMEOUT		0x10000000
28 
29 #define CAD_QSPI_CFG				0x0
30 #define CAD_QSPI_CFG_BAUDDIV_MSK		0xff87ffff
31 #define CAD_QSPI_CFG_BAUDDIV(x)			(((x) << 19) & 0x780000)
32 #define CAD_QSPI_CFG_CS_MSK			~0x3c00
33 #define CAD_QSPI_CFG_CS(x)			(((x) << 11))
34 #define CAD_QSPI_CFG_ENABLE			(1 << 0)
35 #define CAD_QSPI_CFG_ENDMA_CLR_MSK		0xffff7fff
36 #define CAD_QSPI_CFG_IDLE			(1 << 31)
37 #define CAD_QSPI_CFG_SELCLKPHASE_CLR_MSK	0xfffffffb
38 #define CAD_QSPI_CFG_SELCLKPOL_CLR_MSK		0xfffffffd
39 
40 #define CAD_QSPIDATA_OFST			0xff900000
41 
42 #define CAD_QSPI_DELAY				0xc
43 #define CAD_QSPI_DELAY_CSSOT(x)			(((x) & 0xff) << 0)
44 #define CAD_QSPI_DELAY_CSEOT(x)			(((x) & 0xff) << 8)
45 #define CAD_QSPI_DELAY_CSDADS(x)		(((x) & 0xff) << 16)
46 #define CAD_QSPI_DELAY_CSDA(x)			(((x) & 0xff) << 24)
47 
48 #define CAD_QSPI_DEVSZ				0x14
49 #define CAD_QSPI_DEVSZ_ADDR_BYTES(x)		((x) << 0)
50 #define CAD_QSPI_DEVSZ_BYTES_PER_PAGE(x)	((x) << 4)
51 #define CAD_QSPI_DEVSZ_BYTES_PER_BLOCK(x)	((x) << 16)
52 
53 #define CAD_QSPI_DEVWR				0x8
54 #define CAD_QSPI_DEVRD				0x4
55 #define CAD_QSPI_DEV_OPCODE(x)			(((x) & 0xff) << 0)
56 #define CAD_QSPI_DEV_INST_TYPE(x)		(((x) & 0x03) << 8)
57 #define CAD_QSPI_DEV_ADDR_TYPE(x)		(((x) & 0x03) << 12)
58 #define CAD_QSPI_DEV_DATA_TYPE(x)		(((x) & 0x03) << 16)
59 #define CAD_QSPI_DEV_MODE_BIT(x)		(((x) & 0x01) << 20)
60 #define CAD_QSPI_DEV_DUMMY_CLK_CYCLE(x)		(((x) & 0x0f) << 24)
61 
62 #define CAD_QSPI_FLASHCMD			0x90
63 #define CAD_QSPI_FLASHCMD_ADDR			0x94
64 #define CAD_QSPI_FLASHCMD_EXECUTE		0x1
65 #define CAD_QSPI_FLASHCMD_EXECUTE_STAT		0x2
66 #define CAD_QSPI_FLASHCMD_NUM_DUMMYBYTES_MAX	5
67 #define CAD_QSPI_FLASHCMD_NUM_DUMMYBYTES(x)	(((x) << 7) & 0x000f80)
68 #define CAD_QSPI_FLASHCMD_OPCODE(x)		(((x) & 0xff) << 24)
69 #define CAD_QSPI_FLASHCMD_ENRDDATA(x)		(((x) & 1) << 23)
70 #define CAD_QSPI_FLASHCMD_NUMRDDATABYTES(x)	(((x) & 0xf) << 20)
71 #define CAD_QSPI_FLASHCMD_ENCMDADDR(x)		(((x) & 1) << 19)
72 #define CAD_QSPI_FLASHCMD_ENMODEBIT(x)		(((x) & 1) << 18)
73 #define CAD_QSPI_FLASHCMD_NUMADDRBYTES(x)	(((x) & 0x3) << 16)
74 #define CAD_QSPI_FLASHCMD_ENWRDATA(x)		(((x) & 1) << 15)
75 #define CAD_QSPI_FLASHCMD_NUMWRDATABYTES(x)	(((x) & 0x7) << 12)
76 #define CAD_QSPI_FLASHCMD_NUMDUMMYBYTES(x)	(((x) & 0x1f) << 7)
77 #define CAD_QSPI_FLASHCMD_RDDATA0		0xa0
78 #define CAD_QSPI_FLASHCMD_RDDATA1		0xa4
79 #define CAD_QSPI_FLASHCMD_WRDATA0		0xa8
80 #define CAD_QSPI_FLASHCMD_WRDATA1		0xac
81 
82 #define CAD_QSPI_RDDATACAP			0x10
83 #define CAD_QSPI_RDDATACAP_BYP(x)		(((x) & 1) << 0)
84 #define CAD_QSPI_RDDATACAP_DELAY(x)		(((x) & 0xf) << 1)
85 
86 #define CAD_QSPI_REMAPADDR			0x24
87 #define CAD_QSPI_REMAPADDR_VALUE_SET(x)		(((x) & 0xffffffff) << 0)
88 
89 #define CAD_QSPI_SRAMPART			0x18
90 #define CAD_QSPI_SRAMFILL			0x2c
91 #define CAD_QSPI_SRAMPART_ADDR(x)		(((x) >> 0) & 0x3ff)
92 #define CAD_QSPI_SRAM_FIFO_ENTRY_COUNT		(512 / sizeof(uint32_t))
93 #define CAD_QSPI_SRAMFILL_INDWRPART(x)		(((x) >> 16) & 0x00ffff)
94 #define CAD_QSPI_SRAMFILL_INDRDPART(x)		(((x) >> 0) & 0x00ffff)
95 
96 #define CAD_QSPI_SELCLKPHASE(x)			(((x) & 1) << 2)
97 #define CAD_QSPI_SELCLKPOL(x)			(((x) & 1) << 1)
98 
99 #define CAD_QSPI_STIG_FLAGSR_PROGRAMREADY(x)	(((x) >> 7) & 1)
100 #define CAD_QSPI_STIG_FLAGSR_ERASEREADY(x)	(((x) >> 7) & 1)
101 #define CAD_QSPI_STIG_FLAGSR_ERASEERROR(x)	(((x) >> 5) & 1)
102 #define CAD_QSPI_STIG_FLAGSR_PROGRAMERROR(x)	(((x) >> 4) & 1)
103 #define CAD_QSPI_STIG_OPCODE_CLFSR		0x50
104 #define CAD_QSPI_STIG_OPCODE_RDID		0x9f
105 #define CAD_QSPI_STIG_OPCODE_WRDIS		0x4
106 #define CAD_QSPI_STIG_OPCODE_WREN		0x6
107 #define CAD_QSPI_STIG_OPCODE_SUBSEC_ERASE	0x20
108 #define CAD_QSPI_STIG_OPCODE_SEC_ERASE		0xd8
109 #define CAD_QSPI_STIG_OPCODE_WREN_EXT_REG	0xc5
110 #define CAD_QSPI_STIG_OPCODE_DIE_ERASE		0xc4
111 #define CAD_QSPI_STIG_OPCODE_BULK_ERASE		0xc7
112 #define CAD_QSPI_STIG_OPCODE_RDSR		0x5
113 #define CAD_QSPI_STIG_OPCODE_RDFLGSR		0x70
114 #define CAD_QSPI_STIG_OPCODE_RESET_EN		0x66
115 #define CAD_QSPI_STIG_OPCODE_RESET_MEM		0x99
116 #define CAD_QSPI_STIG_RDID_CAPACITYID(x)	(((x) >> 16) & 0xff)
117 #define CAD_QSPI_STIG_SR_BUSY(x)		(((x) >> 0) & 1)
118 
119 
120 #define CAD_QSPI_INST_SINGLE			0
121 #define CAD_QSPI_INST_DUAL			1
122 #define CAD_QSPI_INST_QUAD			2
123 
124 #define CAD_QSPI_INDRDSTADDR			0x68
125 #define CAD_QSPI_INDRDCNT			0x6c
126 #define CAD_QSPI_INDRD				0x60
127 #define CAD_QSPI_INDRD_RD_STAT(x)		(((x) >> 2) & 1)
128 #define CAD_QSPI_INDRD_START			1
129 #define CAD_QSPI_INDRD_IND_OPS_DONE		0x20
130 
131 #define CAD_QSPI_INDWR				0x70
132 #define CAD_QSPI_INDWR_RDSTAT(x)		(((x) >> 2) & 1)
133 #define CAD_QSPI_INDWRSTADDR			0x78
134 #define CAD_QSPI_INDWRCNT			0x7c
135 #define CAD_QSPI_INDWR				0x70
136 #define CAD_QSPI_INDWR_START			0x1
137 #define CAD_QSPI_INDWR_INDDONE			0x20
138 
139 #define CAD_QSPI_INT_STATUS_ALL			0x0000ffff
140 
141 #define CAD_QSPI_N25Q_DIE_SIZE			0x02000000
142 #define CAD_QSPI_BANK_SIZE			0x01000000
143 #define CAD_QSPI_PAGE_SIZE			0x00000100
144 
145 #define CAD_QSPI_IRQMSK				0x44
146 
147 #define CAD_QSPI_SUBSECTOR_SIZE			0x1000
148 
149 #define S10_QSPI_ADDR_BYTES			2
150 #define S10_QSPI_BYTES_PER_DEV			256
151 #define S10_BYTES_PER_BLOCK			16
152 
153 #define QSPI_FAST_READ				0xb
154 
155 // QSPI CONFIGURATIONS
156 
157 #define QSPI_CONFIG_CPOL			1
158 #define QSPI_CONFIG_CPHA			1
159 
160 #define QSPI_CONFIG_CSSOT			0x14
161 #define QSPI_CONFIG_CSEOT			0x14
162 #define QSPI_CONFIG_CSDADS			0xff
163 #define QSPI_CONFIG_CSDA			0xc8
164 
165 int cad_qspi_init(uint32_t desired_clk_freq, uint32_t clk_phase,
166 	uint32_t clk_pol, uint32_t csda, uint32_t csdads,
167 	uint32_t cseot, uint32_t cssot, uint32_t rddatacap);
168 void cad_qspi_set_chip_select(int cs);
169 int cad_qspi_erase(uint32_t offset, uint32_t size);
170 int cad_qspi_write(void *buffer, uint32_t offset, uint32_t size);
171 int cad_qspi_read(void *buffer, uint32_t offset, uint32_t size);
172 int cad_qspi_update(void *buffer, uint32_t offset, uint32_t size);
173 
174 #endif
175 
176