xref: /freebsd/sys/arm/ti/ti_spireg.h (revision 0957b409a90fd597c1e9124cbaf3edd2b488f4ac)
1 /*-
2  * Copyright (c) 2016 Rubicon Communications, LLC (Netgate)
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef	_TI_SPIREG_H_
30 #define	_TI_SPIREG_H_
31 
32 #define	TI_SPI_GCLK			48000000U
33 #define	TI_SPI_FIFOSZ			32
34 #define	MCSPI_REVISION			0x0
35 #define	 MCSPI_REVISION_SCHEME_SHIFT	30
36 #define	 MCSPI_REVISION_SCHEME_MSK	0x3
37 #define	 MCSPI_REVISION_FUNC_SHIFT	16
38 #define	 MCSPI_REVISION_FUNC_MSK	0xfff
39 #define	 MCSPI_REVISION_RTL_SHIFT	11
40 #define	 MCSPI_REVISION_RTL_MSK		0x1f
41 #define	 MCSPI_REVISION_MAJOR_SHIFT	8
42 #define	 MCSPI_REVISION_MAJOR_MSK	0x7
43 #define	 MCSPI_REVISION_CUSTOM_SHIFT	6
44 #define	 MCSPI_REVISION_CUSTOM_MSK	0x3
45 #define	 MCSPI_REVISION_MINOR_SHIFT	0
46 #define	 MCSPI_REVISION_MINOR_MSK	0x3f
47 #define	MCSPI_SYSCONFIG			0x110
48 #define	 MCSPI_SYSCONFIG_SOFTRESET	(1 << 1)
49 #define	MCSPI_SYSSTATUS			0x114
50 #define	 MCSPI_SYSSTATUS_RESETDONE	(1 << 0)
51 #define	MCSPI_MODULCTRL			0x128
52 #define	 MCSPI_MODULCTRL_SLAVE		(1 << 2)
53 #define	 MCSPI_MODULCTRL_SINGLE		(1 << 0)
54 #define	MCSPI_IRQSTATUS			0x118
55 #define	MCSPI_IRQENABLE			0x11c
56 #define	 MCSPI_IRQ_EOW			(1 << 17)
57 #define	 MCSPI_IRQ_RX0_OVERFLOW		(1 << 3)
58 #define	 MCSPI_IRQ_RX0_FULL		(1 << 2)
59 #define	 MCSPI_IRQ_TX0_UNDERFLOW	(1 << 1)
60 #define	 MCSPI_IRQ_TX0_EMPTY		(1 << 0)
61 #define	MCSPI_CONF_CH(_c)		(0x12c + 0x14 * (_c))
62 #define	 MCSPI_CONF_CLKG		(1 << 29)
63 #define	 MCSPI_CONF_FFER		(1 << 28)
64 #define	 MCSPI_CONF_FFEW		(1 << 27)
65 #define	 MCSPI_CONF_SBPOL		(1 << 24)
66 #define	 MCSPI_CONF_SBE			(1 << 23)
67 #define	 MCSPI_CONF_FORCE		(1 << 20)
68 #define	 MCSPI_CONF_TURBO		(1 << 19)
69 #define	 MCSPI_CONF_IS			(1 << 18)
70 #define	 MCSPI_CONF_DPE1		(1 << 17)
71 #define	 MCSPI_CONF_DPE0		(1 << 16)
72 #define	 MCSPI_CONF_DMAR		(1 << 15)
73 #define	 MCSPI_CONF_DMAW		(1 << 14)
74 #define	 MCSPI_CONF_WL_MSK		0x1f
75 #define	 MCSPI_CONF_WL_SHIFT		7
76 #define	 MCSPI_CONF_WL8BITS		(7 << MCSPI_CONF_WL_SHIFT)
77 #define	 MCSPI_CONF_EPOL		(1 << 6)
78 #define	 MCSPI_CONF_CLK_MSK		0xf
79 #define	 MCSPI_CONF_CLK_SHIFT		2
80 #define	 MCSPI_CONF_POL			(1 << 1)
81 #define	 MCSPI_CONF_PHA			(1 << 0)
82 #define	MCSPI_STAT_CH(_c)		(0x130 + 0x14 * (_c))
83 #define	 MCSPI_STAT_TXFFF		(1 << 4)
84 #define	 MCSPI_STAT_TXS			(1 << 1)
85 #define	 MCSPI_STAT_RXS			(1 << 0)
86 #define	MCSPI_CTRL_CH(_c)		(0x134 + 0x14 * (_c))
87 #define	 MCSPI_EXTCLK_MSK		0xfff
88 #define	 MCSPI_CTRL_EXTCLK_MSK		0xff
89 #define	 MCSPI_CTRL_EXTCLK_SHIFT	8
90 #define	 MCSPI_CTRL_ENABLE		(1 << 0)
91 #define	MCSPI_TX_CH(_c)			(0x138 + 0x14 * (_c))
92 #define	MCSPI_RX_CH(_c)			(0x13c + 0x14 * (_c))
93 #define	MCSPI_XFERLEVEL			0x17c
94 #define	 MCSPI_XFERLEVEL_AFL(_a)	(((_a) >> 8) & 0xff)
95 #define	 MCSPI_XFERLEVEL_AEL(_a)	(((_a) >> 0) & 0xff)
96 
97 #endif	/* _TI_SPIREG_H_ */
98