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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __OFW_H__ |
29 | #ifndef __OFW_H__ |
30 | #define __OFW_H__ |
30 | #define __OFW_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | 33 | ||
34 | #define MAX_OFW_ARGS 10 |
34 | #define MAX_OFW_ARGS 10 |
35 | 35 | ||
36 | typedef __u32 ofw_arg_t; |
36 | typedef __u32 ofw_arg_t; |
37 | typedef __u32 ihandle; |
37 | typedef __u32 ihandle; |
- | 38 | typedef __u32 phandle; |
|
38 | 39 | ||
- | 40 | /** OpenFirmware command structure |
|
- | 41 | * |
|
- | 42 | */ |
|
39 | struct ofw_args_t { |
43 | typedef struct { |
40 | const char *service; |
44 | const char *service; /**< Command name */ |
41 | int nargs; |
45 | __u32 nargs; /**< Number of in arguments */ |
42 | int nret; |
46 | __u32 nret; /**< Number of out arguments */ |
43 | ofw_arg_t args[MAX_OFW_ARGS]; |
47 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
44 | }; |
48 | } ofw_args_t; |
45 | 49 | ||
- | 50 | /** OpenFirmware device address range structure |
|
- | 51 | * |
|
- | 52 | */ |
|
- | 53 | typedef struct { |
|
- | 54 | __u32 space; |
|
- | 55 | __u32 address; |
|
- | 56 | __u32 size; |
|
- | 57 | } address_range_t; |
|
- | 58 | ||
- | 59 | /** OpenFirmware device interrupt structure |
|
- | 60 | * |
|
- | 61 | */ |
|
- | 62 | typedef struct { |
|
- | 63 | __u32 line; /**< Interrupt number */ |
|
- | 64 | __u32 flags; /**< Interrupt flags/logic */ |
|
- | 65 | } interrupt_info_t; |
|
- | 66 | ||
- | 67 | /** OpenFirmware property structure |
|
- | 68 | * |
|
- | 69 | */ |
|
- | 70 | typedef struct property_t { |
|
- | 71 | char *name; /**< Property name */ |
|
- | 72 | __u32 length; /**< Value length */ |
|
- | 73 | char *value; /**< Property value */ |
|
- | 74 | struct property_t *next; /**< Next property in list */ |
|
- | 75 | } property_t; |
|
- | 76 | ||
- | 77 | /** OpenFirmware device descritor |
|
- | 78 | * |
|
- | 79 | */ |
|
- | 80 | typedef struct device_node_t { |
|
- | 81 | char *name; /**< Device name */ |
|
- | 82 | char *type; /**< Device type */ |
|
- | 83 | phandle node; /**< Device handle */ |
|
- | 84 | ||
- | 85 | __u32 n_addrs; /**< Number of address ranges */ |
|
- | 86 | address_range_t *addrs; /**< Address ranges list */ |
|
- | 87 | ||
- | 88 | __u32 n_intrs; /**< Number of interrupts */ |
|
- | 89 | interrupt_info_t *intrs; /**< Interrupts list */ |
|
- | 90 | ||
- | 91 | char *full_name; /**< Device full name */ |
|
- | 92 | ||
- | 93 | property_t *properties; /**< Device properties */ |
|
- | 94 | ||
- | 95 | struct device_node_t *parent; /**< Parent device */ |
|
- | 96 | struct device_node_t *child; /**< First child in tree */ |
|
- | 97 | struct device_node_t *sibling; /**< Next device on tree level */ |
|
- | 98 | struct device_node_t *next; /**< Next device of the same type */ |
|
- | 99 | struct device_node_t *next_all; /**< Next device in list of all nodes */ |
|
- | 100 | } device_node_t; |
|
- | 101 | ||
46 | typedef void (*ofw_entry)(struct ofw_args_t *); |
102 | typedef void (*ofw_entry)(ofw_args_t *); |
47 | 103 | ||
48 | extern ofw_entry ofw; |
104 | extern ofw_entry ofw; |
49 | 105 | ||
50 | extern void ofw_init(void); |
106 | extern void ofw_init(void); |
51 | extern void ofw_done(void); |
107 | extern void ofw_done(void); |
52 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
108 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
53 | extern void ofw_putchar(const char ch); |
109 | extern void ofw_putchar(const char ch); |
- | 110 | extern phandle ofw_find_device(const char *name); |
|
- | 111 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
|
54 | extern void putchar(const char ch); |
112 | extern void putchar(const char ch); |
55 | 113 | ||
56 | #endif |
114 | #endif |
57 | 115 |