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e7a85f26 RJ |
1 | /* |
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 | ||
500856eb RJ |
52 | #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 | ||
61 | typedef 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 | ||
67 | struct 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 | ||
74 | enum { | |
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 | ||
99 | struct mem_region { | |
100 | unsigned long start; | |
101 | unsigned long size; | |
102 | int flags; | |
103 | }; | |
104 | ||
105 | struct 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 | |
115 | typedef u_int64_t lbasize_t; | |
116 | #else | |
117 | typedef unsigned long lbasize_t; | |
118 | #endif | |
119 | typedef 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 | ||
133 | struct 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_ */ |