xref: /netbsd-src/sys/arch/arm/imx/imxecspireg.h (revision 87305e5a45705adaf8ef16bfa874ae42fced1483)
1 /*	$NetBSD: imxecspireg.h,v 1.4 2023/08/01 21:26:27 andvar Exp $	*/
2 
3 /*
4  * Copyright (c) 2012  Genetec Corporation.  All rights reserved.
5  * Written by Hashimoto Kenichi for Genetec Corporation.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef	_ARM_IMX_IMXECSPIREG_H_
30 #define	_ARM_IMX_IMXECSPIREG_H_
31 
32 #define	ECSPI_RXDATA		0x00
33 #define	ECSPI_TXDATA		0x04
34 #define	ECSPI_CONREG		0x08
35 #define	 ECSPI_CON_BITCOUNT	__BITS(31,20)
36 #define	 ECSPI_CON_CS		__BITS(19,18)
37 #define	 ECSPI_CON_DRCTL	__BITS(17,16)
38 #define	 ECSPI_CON_PREDIV	__BITS(15,12)	/* PRE DIVIDER */
39 #define	 ECSPI_CON_DIV		__BITS(11, 8)	/* POST DIVIDER */
40 #define	 ECSPI_CON_MODE		__BITS( 7, 4)	/* MODE */
41 #define	 ECSPI_CON_SMC		__BIT(3)	/* SMC */
42 #define	 ECSPI_CON_XCH		__BIT(2)	/* XCH */
43 #define	 ECSPI_CON_HW		__BIT(1)	/* HW */
44 #define	 ECSPI_CON_ENABLE	__BIT(0)	/* EN */
45 #define	ECSPI_CONFIGREG		0x0c
46 #define	 ECSPI_CONFIG_HT_LEN	__BITS(28,24)	/* HT LENGTH */
47 #define	 ECSPI_CONFIG_SCLK_CTL	__BITS(23,20)	/* SCLK CTL */
48 #define	 ECSPI_CONFIG_DATA_CTL	__BITS(19,16)	/* DATA CTL */
49 #define	 ECSPI_CONFIG_SSB_POL	__BITS(15,12)	/* SSB POL */
50 #define	 ECSPI_CONFIG_SSB_CTL	__BITS(11, 8)	/* SSB CTL */
51 #define	 ECSPI_CONFIG_SCLK_POL	__BITS( 7, 4)	/* SCLK POL */
52 #define	 ECSPI_CONFIG_SCLK_PHA	__BITS( 3, 0)	/* SCLK PHA */
53 #define	ECSPI_INTREG		0x10
54 #define	 ECSPI_INTR_ALL_EN	__BITS( 7, 0)	/* All Interrupts Enabled */
55 #define	 ECSPI_INTR_TC_EN	__BIT(7)	/* TX Complete */
56 #define	 ECSPI_INTR_RO_EN	__BIT(6)	/* RXFIFO Overflow */
57 #define	 ECSPI_INTR_RF_EN	__BIT(5)	/* RXFIFO Full */
58 #define	 ECSPI_INTR_RD_EN	__BIT(4)	/* RXFIFO Data Request */
59 #define	 ECSPI_INTR_RR_EN	__BIT(3)	/* RXFIFO Ready */
60 #define	 ECSPI_INTR_TF_EN	__BIT(2)	/* TXFIFO Full */
61 #define	 ECSPI_INTR_TD_EN	__BIT(1)	/* TXFIFO Data Request */
62 #define	 ECSPI_INTR_TE_EN	__BIT(0)	/* TXFIFO Empty */
63 #define	ECSPI_DMAREG		0x14
64 #define	ECSPI_STATREG		0x18
65 #define	 ECSPI_STAT_CLR_TC	__BIT(7)	/* Clear Transfer Completed */
66 #define	 ECSPI_STAT_CLR_RO	__BIT(6)	/* Clear RXFIFO Overflow */
67 #define  ECSPI_STAT_CLR		ECSPI_STAT_CLR_TC
68 #define  ECSPI_STAT_RF		__BIT(5)
69 #define  ECSPI_STAT_RDR		__BIT(4)
70 #define  ECSPI_STAT_RR		__BIT(3)
71 #define  ECSPI_STAT_TF		__BIT(2)
72 #define  ECSPI_STAT_TDR		__BIT(1)
73 #define  ECSPI_STAT_TE		__BIT(0)
74 #define	ECSPI_PERIODREG		0x1c
75 #define	ECSPI_TESTREG		0x20
76 #define	ECSPI_MSGDATA		0x40
77 
78 #define ECSPI_SIZE		0x50
79 
80 #endif	/* _ARM_IMX_IMXECSPIREG_H_ */
81