xref: /freebsd/sys/dev/flash/cqspi.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * Copyright (c) 2017-2018 Ruslan Bukin <br@bsdpad.com>
3  * All rights reserved.
4  *
5  * This software was developed by SRI International and the University of
6  * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
7  * ("CTSRD"), as part of the DARPA CRASH research programme.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _CQSPI_H_
34 #define _CQSPI_H_
35 
36 #define	CQSPI_CFG		0x00	/* QSPI Configuration */
37 #define	 CFG_IDLE		(1 << 31)
38 #define	 CFG_ENDMA		(1 << 15)
39 #define	 CFG_IDLE		(1 << 31)
40 #define	 CFG_BAUD_S		19
41 #define	 CFG_BAUD_M		(0xf << CFG_BAUD_S)
42 #define	 CFG_BAUD2		(0 << CFG_BAUD_S)
43 #define	 CFG_BAUD4		(1 << CFG_BAUD_S)
44 #define	 CFG_BAUD6		(2 << CFG_BAUD_S)
45 #define	 CFG_BAUD8		(3 << CFG_BAUD_S)
46 #define	 CFG_BAUD10		(4 << CFG_BAUD_S)
47 #define	 CFG_BAUD12		(5 << CFG_BAUD_S)
48 #define	 CFG_BAUD14		(6 << CFG_BAUD_S)
49 #define	 CFG_BAUD16		(7 << CFG_BAUD_S)
50 #define	 CFG_BAUD18		(8 << CFG_BAUD_S)
51 #define	 CFG_BAUD20		(9 << CFG_BAUD_S)
52 #define	 CFG_BAUD22		(10 << CFG_BAUD_S)
53 #define	 CFG_BAUD24		(11 << CFG_BAUD_S)
54 #define	 CFG_BAUD26		(12 << CFG_BAUD_S)
55 #define	 CFG_BAUD28		(13 << CFG_BAUD_S)
56 #define	 CFG_BAUD30		(14 << CFG_BAUD_S)
57 #define	 CFG_BAUD32		(0xf << CFG_BAUD_S)
58 #define	 CFG_EN			(1 << 0)
59 #define	CQSPI_DEVRD		0x04	/* Device Read Instruction Configuration */
60 #define	 DEVRD_DUMMYRDCLKS_S	24
61 #define	 DEVRD_ENMODEBITS	(1 << 20)
62 #define	 DEVRD_DATA_WIDTH_S	16
63 #define	 DEVRD_DATA_WIDTH_QUAD	(2 << DEVRD_DATA_WIDTH_S)
64 #define	 DEVRD_ADDR_WIDTH_S	12
65 #define	 DEVRD_ADDR_WIDTH_SINGLE	(0 << DEVRD_ADDR_WIDTH_S)
66 #define	 DEVRD_INST_WIDTH_S	8
67 #define	 DEVRD_INST_WIDTH_SINGLE	(0 << DEVRD_INST_WIDTH_S)
68 #define	 DEVRD_RDOPCODE_S	0
69 #define	CQSPI_DEVWR		0x08	/* Device Write Instruction Configuration */
70 #define	 DEVWR_DUMMYWRCLKS_S	24
71 #define	 DEVWR_WROPCODE_S	0
72 #define	 DEVWR_DATA_WIDTH_S	16
73 #define	 DEVWR_DATA_WIDTH_QUAD	(2 << DEVWR_DATA_WIDTH_S)
74 #define	 DEVWR_ADDR_WIDTH_S	12
75 #define	 DEVWR_ADDR_WIDTH_SINGLE	(0 << DEVWR_ADDR_WIDTH_S)
76 #define	CQSPI_DELAY		0x0C	/* QSPI Device Delay Register */
77 #define	 DELAY_NSS_S		24
78 #define	 DELAY_BTWN_S		16
79 #define	 DELAY_AFTER_S		8
80 #define	 DELAY_INIT_S		0
81 #define	CQSPI_RDDATACAP		0x10	/* Read Data Capture Register */
82 #define	 RDDATACAP_DELAY_S	1
83 #define	 RDDATACAP_DELAY_M	(0xf << RDDATACAP_DELAY_S)
84 #define	CQSPI_DEVSZ		0x14	/* Device Size Configuration Register */
85 #define	 DEVSZ_NUMADDRBYTES_S	0
86 #define	 DEVSZ_NUMADDRBYTES_M	(0xf << DEVSZ_NUMADDRBYTES_S)
87 #define	CQSPI_SRAMPART		0x18	/* SRAM Partition Configuration Register */
88 #define	CQSPI_INDADDRTRIG	0x1C	/* Indirect AHB Address Trigger Register */
89 #define	CQSPI_DMAPER		0x20	/* DMA Peripheral Configuration Register */
90 #define	 DMAPER_NUMSGLREQBYTES_S	0
91 #define	 DMAPER_NUMBURSTREQBYTES_S	8
92 #define	 DMAPER_NUMSGLREQBYTES_4	(2 << DMAPER_NUMSGLREQBYTES_S);
93 #define	 DMAPER_NUMBURSTREQBYTES_4	(2 << DMAPER_NUMBURSTREQBYTES_S);
94 #define	CQSPI_REMAPADDR		0x24	/* Remap Address Register */
95 #define	CQSPI_MODEBIT		0x28	/* Mode Bit Configuration */
96 #define	CQSPI_SRAMFILL		0x2C	/* SRAM Fill Register */
97 #define	CQSPI_TXTHRESH		0x30	/* TX Threshold Register */
98 #define	CQSPI_RXTHRESH		0x34	/* RX Threshold Register */
99 #define	CQSPI_IRQSTAT		0x40	/* Interrupt Status Register */
100 #define	CQSPI_IRQMASK		0x44	/* Interrupt Mask */
101 #define	 IRQMASK_INDSRAMFULL	(1 << 12)
102 #define	 IRQMASK_INDXFRLVL	(1 << 6)
103 #define	 IRQMASK_INDOPDONE	(1 << 2)
104 #define	CQSPI_LOWWRPROT		0x50	/* Lower Write Protection */
105 #define	CQSPI_UPPWRPROT		0x54	/* Upper Write Protection */
106 #define	CQSPI_WRPROT		0x58	/* Write Protection Control Register */
107 #define	CQSPI_INDRD		0x60	/* Indirect Read Transfer Control Register */
108 #define	 INDRD_IND_OPS_DONE_STATUS	(1 << 5)
109 #define	 INDRD_START		(1 << 0)
110 #define	CQSPI_INDRDWATER	0x64	/* Indirect Read Transfer Watermark Register */
111 #define	CQSPI_INDRDSTADDR	0x68	/* Indirect Read Transfer Start Address Register */
112 #define	CQSPI_INDRDCNT		0x6C	/* Indirect Read Transfer Number Bytes Register */
113 #define	CQSPI_INDWR		0x70	/* Indirect Write Transfer Control Register */
114 #define	CQSPI_INDWRWATER	0x74	/* Indirect Write Transfer Watermark Register */
115 #define	CQSPI_INDWRSTADDR	0x78	/* Indirect Write Transfer Start Address Register */
116 #define	CQSPI_INDWRCNT		0x7C	/* Indirect Write Transfer Number Bytes Register */
117 #define	CQSPI_FLASHCMD		0x90	/* Flash Command Control Register */
118 #define	 FLASHCMD_NUMADDRBYTES_S	16
119 #define	 FLASHCMD_NUMRDDATABYTES_S	20
120 #define	 FLASHCMD_NUMRDDATABYTES_M	(0x7 << FLASHCMD_NUMRDDATABYTES_S)
121 #define	 FLASHCMD_ENCMDADDR	(1 << 19)
122 #define	 FLASHCMD_ENRDDATA	(1 << 23)
123 #define	 FLASHCMD_CMDOPCODE_S	24
124 #define	 FLASHCMD_CMDOPCODE_M	(0xff << FLASHCMD_CMDOPCODE_S)
125 #define	 FLASHCMD_CMDEXECSTAT	(1 << 1) /* Command execution in progress. */
126 #define	 FLASHCMD_EXECCMD	(1 << 0) /* Execute the command. */
127 #define	CQSPI_FLASHCMDADDR	0x94	/* Flash Command Address Registers */
128 #define	CQSPI_FLASHCMDRDDATALO	0xA0	/* Flash Command Read Data Register (Lower) */
129 #define	CQSPI_FLASHCMDRDDATAUP	0xA4	/* Flash Command Read Data Register (Upper) */
130 #define	CQSPI_FLASHCMDWRDATALO	0xA8	/* Flash Command Write Data Register (Lower) */
131 #define	CQSPI_FLASHCMDWRDATAUP	0xAC	/* Flash Command Write Data Register (Upper) */
132 #define	CQSPI_MODULEID		0xFC	/* Module ID Register */
133 
134 #endif /* !_CQSPI_H_ */
135