1 /*        $NetBSD: imxcspireg.h,v 1.3 2023/08/01 21:26:27 andvar Exp $          */
2 
3 /*
4  * Copyright (c) 2014  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_IMXCSPIREG_H_
30 #define   _ARM_IMX_IMXCSPIREG_H_
31 
32 #define   CSPI_RXDATA                   0x00
33 #define   CSPI_TXDATA                   0x04
34 #define   CSPI_CONREG                   0x08
35 #define    CSPI_IMX31_CON_CS            __BITS(25, 24)
36 #define    CSPI_IMX31_CON_DRCTL                   __BITS(21, 20)
37 #define    CSPI_IMX31_CON_BITCOUNT      __BITS(12,  8)
38 #define    CSPI_IMX35_CON_CS            __BITS(13, 12)
39 #define    CSPI_IMX35_CON_DRCTL                   __BITS( 9,  8)
40 #define    CSPI_IMX35_CON_BITCOUNT      __BITS(31, 20)
41 #define    CSPI_CON_DIV                 __BITS(18, 16)
42 #define    CSPI_CON_SSPOL               __BIT(7)  /* SPI SS Polarity Select */
43 #define    CSPI_CON_SSCTL               __BIT(6)  /* In master mode, this bit
44                                                              * selects the output wave form
45                                                              * for the SS signal.
46                                                              */
47 #define    CSPI_CON_PHA                 __BIT(5)  /* PHA */
48 #define    CSPI_CON_POL                 __BIT(4)  /* POL */
49 #define    CSPI_CON_SMC                 __BIT(3)  /* SMC */
50 #define    CSPI_CON_XCH                 __BIT(2)  /* XCH */
51 #define    CSPI_CON_MODE                __BIT(1)  /* MODE */
52 #define    CSPI_CON_ENABLE    __BIT(0)  /* EN */
53 #define   CSPI_INTREG                   0x0c
54 #define    CSPI_INTR_ALL_EN   0x000001ff          /* All Interrupts Enabled */
55 #define    CSPI_IMX31_INTR_TC_EN        __BIT(8)  /* TX Complete */
56 #define    CSPI_IMX31_INTR_BO_EN        __BIT(7)  /* Bit Counter Overflow */
57 #define    CSPI_IMX35_INTR_TC_EN        __BIT(7)  /* TX Complete */
58 #define    CSPI_INTR_RO_EN    __BIT(6)  /* RXFIFO Overflow */
59 #define    CSPI_INTR_RF_EN    __BIT(5)  /* RXFIFO Full */
60 #define    CSPI_INTR_RH_EN    __BIT(4)  /* RXFIFO Half Full */
61 #define    CSPI_INTR_RR_EN    __BIT(3)  /* RXFIFO Ready */
62 #define    CSPI_INTR_TF_EN    __BIT(2)  /* TXFIFO Full */
63 #define    CSPI_INTR_TH_EN    __BIT(1)  /* TXFIFO Half Empty */
64 #define    CSPI_INTR_TE_EN    __BIT(0)  /* TXFIFO Empty */
65 #define   CSPI_DMAREG                   0x10
66 #define   CSPI_STATREG                  0x14
67 #define    CSPI_IMX31_STAT_CLR_TC       __BIT(8)  /* Clear TC of status register */
68 #define    CSPI_IMX31_STAT_CLR_BO       __BIT(7)  /* Clear BO of status register */
69 #define  CSPI_IMX31_STAT_CLR  (CSPI_IMX31_STAT_CLR_TC | CSPI_IMX31_STAT_CLR_BO)
70 #define    CSPI_IMX35_STAT_CLR_TC       __BIT(7)  /* Clear TC of status register */
71 #define  CSPI_IMX35_STAT_CLR  CSPI_IMX35_STAT_CLR_TC
72 #define    CSPI_STAT_RO                 __BIT(6)  /* RXFIFO Overflow */
73 #define    CSPI_STAT_RF                 __BIT(5)  /* RXFIFO Full */
74 #define    CSPI_STAT_RH                 __BIT(4)  /* RXFIFO Half Full */
75 #define    CSPI_STAT_RR                 __BIT(3)  /* RXFIFO Ready */
76 #define    CSPI_STAT_TF                 __BIT(2)  /* TXFIFO Full */
77 #define    CSPI_STAT_TH                 __BIT(1)  /* TXFIFO Half Empty */
78 #define    CSPI_STAT_TE                 __BIT(0)  /* TXFIFO Empty */
79 #define   CSPI_PERIODREG                0x18
80 #define   CSPI_TESTREG                  0x1c
81 
82 #define SPI_SIZE              0x100
83 
84 #endif    /* _ARM_IMX_IMXCSPIREG_H_ */
85