xref: /openbmc/qemu/hw/net/can/ctu_can_fd_frame.h (revision 6016b7b4)
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 __CTU_CAN_FD_CAN_FD_FRAME_FORMAT__
33 #define __CTU_CAN_FD_CAN_FD_FRAME_FORMAT__
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