xref: /openbmc/u-boot/board/esd/vme8349/caddy.h (revision e89516f0)
1 /*
2  * caddy.c -- esd VME8349 support for "missing" access modes in TSI148.
3  * Copyright (c) 2009 esd gmbh.
4  *
5  * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  *
25  */
26 
27 #ifndef __CADDY_H__
28 #define __CADDY_H__
29 
30 #define CMD_SIZE	1024
31 #define ANSWER_SIZE	1024
32 #define CADDY_MAGIC	"esd vme8349 V1.0"
33 
34 enum caddy_cmds {
35 	CADDY_CMD_IO_READ_8,
36 	CADDY_CMD_IO_READ_16,
37 	CADDY_CMD_IO_READ_32,
38 	CADDY_CMD_IO_WRITE_8,
39 	CADDY_CMD_IO_WRITE_16,
40 	CADDY_CMD_IO_WRITE_32,
41 	CADDY_CMD_CONFIG_READ_8,
42 	CADDY_CMD_CONFIG_READ_16,
43 	CADDY_CMD_CONFIG_READ_32,
44 	CADDY_CMD_CONFIG_WRITE_8,
45 	CADDY_CMD_CONFIG_WRITE_16,
46 	CADDY_CMD_CONFIG_WRITE_32,
47 };
48 
49 struct caddy_cmd {
50 	uint32_t cmd;
51 	uint32_t issue;
52 	uint32_t addr;
53 	uint32_t par[5];
54 };
55 
56 struct caddy_answer {
57 	uint32_t answer;
58 	uint32_t issue;
59 	uint32_t status;
60 	uint32_t par[5];
61 };
62 
63 struct caddy_interface {
64 	uint8_t  magic[16];
65 	uint32_t cmd_in;
66 	uint32_t cmd_out;
67 	uint32_t heartbeat;
68 	uint32_t reserved1;
69 	struct caddy_cmd cmd[CMD_SIZE];
70 	uint32_t answer_in;
71 	uint32_t answer_out;
72 	uint32_t reserved2;
73 	uint32_t reserved3;
74 	struct caddy_answer answer[CMD_SIZE];
75 };
76 
77 #endif /* of __CADDY_H__ */
78