1 /* $NetBSD: auspireg.h,v 1.1 2006/10/02 08:00:07 gdamore Exp $ */
2 
3 /*-
4  * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
5  * Copyright (c) 2006 Garrett D'Amore.
6  * All rights reserved.
7  *
8  * Portions of this code were written by Garrett D'Amore for the
9  * Champaign-Urbana Community Wireless Network Project.
10  *
11  * Redistribution and use in source and binary forms, with or
12  * without modification, are permitted provided that the following
13  * conditions are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above
17  *    copyright notice, this list of conditions and the following
18  *    disclaimer in the documentation and/or other materials provided
19  *    with the distribution.
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgements:
22  *      This product includes software developed by the Urbana-Champaign
23  *      Independent Media Center.
24  *        This product includes software developed by Garrett D'Amore.
25  * 4. Urbana-Champaign Independent Media Center's name and Garrett
26  *    D'Amore's name may not be used to endorse or promote products
27  *    derived from this software without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
30  * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
31  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
34  * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
35  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42  */
43 
44 #ifndef   _MIPS_ALCHEMY_AUSPIREG_H_
45 #define   _MIPS_ALCHEMY_AUSPIREG_H_
46 
47 #define   SPICFG_RT_8                   (0x3 << 30)
48 #define   SPICFG_RT_4                   (0x2 << 30)
49 #define   SPICFG_RT_2                   (0x1 << 30)
50 #define   SPICFG_RT_1                   (0x0 << 30)
51 #define   SPICFG_TT_8                   (0x3 << 28)
52 #define   SPICFG_TT_4                   (0x2 << 28)
53 #define   SPICFG_TT_2                   (0x1 << 28)
54 #define   SPICFG_TT_1                   (0x0 << 28)
55 #define   SPICFG_DD           (1 << 27) /* disable DMA */
56 #define   SPICFG_DE           (1 << 26) /* device enable */
57 #define   SPICFG_BRG_MASK               (0x3f << 15)        /* baud rate generator */
58 #define   SPICFG_BRG_SHIFT    15
59 #define   SPICFG_DIV_MASK               (0x3 << 13)         /* psc clock divider */
60 #define   SPICFG_DIV_SHIFT    13
61 #define   SPICFG_BI           (1 << 12) /* bit clock invert */
62 #define   SPICFG_PSE                    (1 << 11) /* port swap enable */
63 #define   SPICFG_CGE                    (1 << 10) /* clock gate enable */
64 #define   SPICFG_CDE                    (1 << 9)  /* clock phase delay enable */
65 #define   SPICFG_LEN_MASK               (0x1f << 4)         /* data length */
66 #define   SPICFG_LEN_SHIFT    4
67 #define   SPICFG_LB           (1 << 3)  /* loopback mode */
68 #define   SPICFG_MLF                    (1 << 2)  /* msb/lsb data first */
69 #define   SPICFG_MO           (1 << 0)  /* master only mode */
70 
71 /* and also SPIEVNT */
72 #define   SPIMSK_MM           (1 << 16) /* multiple master error */
73 #define   SPIMSK_RR           (1 << 13) /* rx fifo request */
74 #define   SPIMSK_RO           (1 << 12) /* rx fifo overflow */
75 #define   SPIMSK_RU           (1 << 11) /* rx fifo underflow */
76 #define   SPIMSK_TR           (1 << 10) /* tx fifo request */
77 #define   SPIMSK_TO           (1 << 9)  /* tx fifo overflow */
78 #define   SPIMSK_TU           (1 << 8)  /* tx fifo underflow */
79 #define   SPIMSK_SD           (1 << 5)  /* slave done */
80 #define   SPIMSK_MD           (1 << 4)  /* master done */
81 #define   SPIMSK_ALL                    (SPIMSK_MM | SPIMSK_RR | SPIMSK_RO | \
82                                          SPIMSK_RU | SPIMSK_TR | SPIMSK_TO | \
83                                          SPIMSK_TU | SPIMSK_SD | SPIMSK_MD)
84 #define   SPIMSK_NORM                   (SPIMSK_RU | SPIMSK_TO | SPIMSK_TR | SPIMSK_SD)
85 
86 #define   SPIPCR_RC           (1 << 6)  /* rx data clear */
87 #define   SPIPCR_SP           (1 << 5)  /* slave stop */
88 #define   SPIPCR_SS           (1 << 4)  /* slave start */
89 #define   SPIPCR_TC           (1 << 2)  /* tx data clear */
90 #define   SPIPCR_MS           (1 << 0)  /* master start*/
91 
92 #define   SPISTAT_RF                    (1 << 13) /* rx fifo full */
93 #define   SPISTAT_RE                    (1 << 12) /* rx fifo empty */
94 #define   SPISTAT_RR                    (1 << 11) /* rx request */
95 #define   SPISTAT_TF                    (1 << 10) /* tx fifo full */
96 #define   SPISTAT_TE                    (1 << 9)  /* tx fifo empty */
97 #define   SPISTAT_TR                    (1 << 8)  /* tx request */
98 #define   SPISTAT_SB                    (1 << 5)  /* slave busy */
99 #define   SPISTAT_MB                    (1 << 4)  /* master busy */
100 #define   SPISTAT_DI                    (1 << 2)  /* device interrupt */
101 #define   SPISTAT_DR                    (1 << 1)  /* device ready */
102 #define   SPISTAT_SR                    (1 << 0)  /* psc ready */
103 
104 #define   SPITXRX_LC                    (1 << 29) /* last character */
105 #define   SPITXRX_ST                    (1 << 28) /* select togle */
106 #define   SPITXRX_DATA_MASK   (0xffffff)
107 #define   SPITXRX_DATA_SHIFT  0
108 
109 #endif    /* _MIPS_ALCHEMY_AUSPIREG_H_ */
110