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Rafal Jaworowskie7a85f22008-02-21 11:56:44 +01001/*
2 * (C) Copyright 2007-2008 Semihalf
3 *
4 * Written by: Rafal Jaworowski <raj@semihalf.com>
5 *
6 * This file is dual licensed; you can use it under the terms of
7 * either the GPL, or the BSD license, at your option.
8 *
9 * I. GPL:
10 *
11 * This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 *
26 * Alternatively,
27 *
28 * II. BSD license:
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in the
37 * documentation and/or other materials provided with the distribution.
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
40 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
42 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
43 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
44 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
45 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
47 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
48 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 * SUCH DAMAGE.
50 */
51
Rafal Jaworowski500856e2008-01-09 19:39:36 +010052#ifndef _API_PUBLIC_H_
53#define _API_PUBLIC_H_
54
55#define API_EINVAL 1 /* invalid argument(s) */
56#define API_ENODEV 2 /* no device */
57#define API_ENOMEM 3 /* no memory */
58#define API_EBUSY 4 /* busy, occupied etc. */
59#define API_EIO 5 /* I/O error */
60
61typedef int (*scp_t)(int, int *, ...);
62
63#define API_SIG_VERSION 1
64#define API_SIG_MAGIC "UBootAPI"
65#define API_SIG_MAGLEN 8
66
67struct api_signature {
68 char magic[API_SIG_MAGLEN]; /* magic string */
69 uint16_t version; /* API version */
70 uint32_t checksum; /* checksum of this sig struct */
71 scp_t syscall; /* entry point to the API */
72};
73
74enum {
75 API_RSVD = 0,
76 API_GETC,
77 API_PUTC,
78 API_TSTC,
79 API_PUTS,
80 API_RESET,
81 API_GET_SYS_INFO,
82 API_UDELAY,
83 API_GET_TIMER,
84 API_DEV_ENUM,
85 API_DEV_OPEN,
86 API_DEV_CLOSE,
87 API_DEV_READ,
88 API_DEV_WRITE,
89 API_ENV_ENUM,
90 API_ENV_GET,
91 API_ENV_SET,
92 API_MAXCALL
93};
94
95#define MR_ATTR_FLASH 0x0001
96#define MR_ATTR_DRAM 0x0002
97#define MR_ATTR_SRAM 0x0003
98
99struct mem_region {
100 unsigned long start;
101 unsigned long size;
102 int flags;
103};
104
105struct sys_info {
106 unsigned long clk_bus;
107 unsigned long clk_cpu;
108 unsigned long bar;
109 struct mem_region *mr;
110 int mr_no; /* number of memory regions */
111};
112
113#undef CFG_64BIT_LBA
114#ifdef CFG_64BIT_LBA
115typedef u_int64_t lbasize_t;
116#else
117typedef unsigned long lbasize_t;
118#endif
119typedef unsigned long lbastart_t;
120
121#define DEV_TYP_NONE 0x0000
122#define DEV_TYP_NET 0x0001
123
124#define DEV_TYP_STOR 0x0002
125#define DT_STOR_IDE 0x0010
126#define DT_STOR_SCSI 0x0020
127#define DT_STOR_USB 0x0040
128#define DT_STOR_MMC 0x0080
129
130#define DEV_STA_CLOSED 0x0000 /* invalid, closed */
131#define DEV_STA_OPEN 0x0001 /* open i.e. active */
132
133struct device_info {
134 int type;
135 void *cookie;
136
137 union {
138 struct {
139 lbasize_t block_count; /* no of blocks */
140 unsigned long block_size; /* size of one block */
141 } storage;
142
143 struct {
144 unsigned char hwaddr[6];
145 } net;
146 } info;
147#define di_stor info.storage
148#define di_net info.net
149
150 int state;
151};
152
153#endif /* _API_PUBLIC_H_ */