xref: /openbmc/qemu/hw/net/can/ctu_can_fd_frame.h (revision 7d87775f)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*******************************************************************************
3  *
4  * CTU CAN FD IP Core
5  *
6  * Copyright (C) 2015-2018 Ondrej Ille <ondrej.ille@gmail.com> FEE CTU
7  * Copyright (C) 2018-2020 Ondrej Ille <ondrej.ille@gmail.com> self-funded
8  * Copyright (C) 2018-2019 Martin Jerabek <martin.jerabek01@gmail.com> FEE CTU
9  * Copyright (C) 2018-2020 Pavel Pisa <pisa@cmp.felk.cvut.cz> FEE CTU/self-funded
10  *
11  * Project advisors:
12  *     Jiri Novak <jnovak@fel.cvut.cz>
13  *     Pavel Pisa <pisa@cmp.felk.cvut.cz>
14  *
15  * Department of Measurement         (http://meas.fel.cvut.cz/)
16  * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
17  * Czech Technical University        (http://www.cvut.cz/)
18  *
19  * This program is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU General Public License
21  * as published by the Free Software Foundation; either version 2
22  * of the License, or (at your option) any later version.
23  *
24  * This program is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27  * GNU General Public License for more details.
28  ******************************************************************************/
29 
30 /* This file is autogenerated, DO NOT EDIT! */
31 
32 #ifndef HW_CAN_CTU_CAN_FD_FRAME_H
33 #define HW_CAN_CTU_CAN_FD_FRAME_H
34 
35 /* CAN_Frame_format memory map */
36 enum ctu_can_fd_can_frame_format {
37     CTU_CAN_FD_FRAME_FORM_W        = 0x0,
38     CTU_CAN_FD_IDENTIFIER_W        = 0x4,
39     CTU_CAN_FD_TIMESTAMP_L_W       = 0x8,
40     CTU_CAN_FD_TIMESTAMP_U_W       = 0xc,
41     CTU_CAN_FD_DATA_1_4_W         = 0x10,
42     CTU_CAN_FD_DATA_5_8_W         = 0x14,
43     CTU_CAN_FD_DATA_61_64_W       = 0x4c,
44 };
45 
46 
47 /* Register descriptions: */
48 union ctu_can_fd_frame_form_w {
49     uint32_t u32;
50     struct ctu_can_fd_frame_form_w_s {
51 #ifdef __LITTLE_ENDIAN_BITFIELD
52   /* FRAME_FORM_W */
53         uint32_t dlc                     : 4;
54         uint32_t reserved_4              : 1;
55         uint32_t rtr                     : 1;
56         uint32_t ide                     : 1;
57         uint32_t fdf                     : 1;
58         uint32_t reserved_8              : 1;
59         uint32_t brs                     : 1;
60         uint32_t esi_rsv                 : 1;
61         uint32_t rwcnt                   : 5;
62         uint32_t reserved_31_16         : 16;
63 #else
64         uint32_t reserved_31_16         : 16;
65         uint32_t rwcnt                   : 5;
66         uint32_t esi_rsv                 : 1;
67         uint32_t brs                     : 1;
68         uint32_t reserved_8              : 1;
69         uint32_t fdf                     : 1;
70         uint32_t ide                     : 1;
71         uint32_t rtr                     : 1;
72         uint32_t reserved_4              : 1;
73         uint32_t dlc                     : 4;
74 #endif
75     } s;
76 };
77 
78 enum ctu_can_fd_frame_form_w_rtr {
79     NO_RTR_FRAME       = 0x0,
80     RTR_FRAME          = 0x1,
81 };
82 
83 enum ctu_can_fd_frame_form_w_ide {
84     BASE           = 0x0,
85     EXTENDED       = 0x1,
86 };
87 
88 enum ctu_can_fd_frame_form_w_fdf {
89     NORMAL_CAN       = 0x0,
90     FD_CAN           = 0x1,
91 };
92 
93 enum ctu_can_fd_frame_form_w_brs {
94     BR_NO_SHIFT       = 0x0,
95     BR_SHIFT          = 0x1,
96 };
97 
98 enum ctu_can_fd_frame_form_w_esi_rsv {
99     ESI_ERR_ACTIVE       = 0x0,
100     ESI_ERR_PASIVE       = 0x1,
101 };
102 
103 union ctu_can_fd_identifier_w {
104     uint32_t u32;
105     struct ctu_can_fd_identifier_w_s {
106 #ifdef __LITTLE_ENDIAN_BITFIELD
107   /* IDENTIFIER_W */
108         uint32_t identifier_ext         : 18;
109         uint32_t identifier_base        : 11;
110         uint32_t reserved_31_29          : 3;
111 #else
112         uint32_t reserved_31_29          : 3;
113         uint32_t identifier_base        : 11;
114         uint32_t identifier_ext         : 18;
115 #endif
116     } s;
117 };
118 
119 union ctu_can_fd_timestamp_l_w {
120     uint32_t u32;
121     struct ctu_can_fd_timestamp_l_w_s {
122   /* TIMESTAMP_L_W */
123         uint32_t time_stamp_31_0        : 32;
124     } s;
125 };
126 
127 union ctu_can_fd_timestamp_u_w {
128     uint32_t u32;
129     struct ctu_can_fd_timestamp_u_w_s {
130   /* TIMESTAMP_U_W */
131         uint32_t timestamp_l_w          : 32;
132     } s;
133 };
134 
135 union ctu_can_fd_data_1_4_w {
136     uint32_t u32;
137     struct ctu_can_fd_data_1_4_w_s {
138 #ifdef __LITTLE_ENDIAN_BITFIELD
139   /* DATA_1_4_W */
140         uint32_t data_1                  : 8;
141         uint32_t data_2                  : 8;
142         uint32_t data_3                  : 8;
143         uint32_t data_4                  : 8;
144 #else
145         uint32_t data_4                  : 8;
146         uint32_t data_3                  : 8;
147         uint32_t data_2                  : 8;
148         uint32_t data_1                  : 8;
149 #endif
150     } s;
151 };
152 
153 union ctu_can_fd_data_5_8_w {
154     uint32_t u32;
155     struct ctu_can_fd_data_5_8_w_s {
156 #ifdef __LITTLE_ENDIAN_BITFIELD
157   /* DATA_5_8_W */
158         uint32_t data_5                  : 8;
159         uint32_t data_6                  : 8;
160         uint32_t data_7                  : 8;
161         uint32_t data_8                  : 8;
162 #else
163         uint32_t data_8                  : 8;
164         uint32_t data_7                  : 8;
165         uint32_t data_6                  : 8;
166         uint32_t data_5                  : 8;
167 #endif
168     } s;
169 };
170 
171 union ctu_can_fd_data_61_64_w {
172     uint32_t u32;
173     struct ctu_can_fd_data_61_64_w_s {
174 #ifdef __LITTLE_ENDIAN_BITFIELD
175   /* DATA_61_64_W */
176         uint32_t data_61                 : 8;
177         uint32_t data_62                 : 8;
178         uint32_t data_63                 : 8;
179         uint32_t data_64                 : 8;
180 #else
181         uint32_t data_64                 : 8;
182         uint32_t data_63                 : 8;
183         uint32_t data_62                 : 8;
184         uint32_t data_61                 : 8;
185 #endif
186     } s;
187 };
188 
189 #endif
190