1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _LAMBAPP_H
#define _LAMBAPP_H
/* Include VENDOR and DEVICE definitions */
#include "lambapp_devs.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct ambapp_dev_hdr;
struct ambapp_apb_info;
struct ambapp_ahb_info;
struct ambapp_dev_hdr
{
struct ambapp_dev_hdr *next; /* Next */
struct ambapp_dev_hdr *prev; /* Previous Device. If (this == prev->child) prev is bus bridge */
struct ambapp_dev_hdr *children; /* Points to first device on sub-bus */
void *owner; /* Owner of this AMBA device */
unsigned char dev_type; /* AHB MST, AHB SLV or APB SLV */
unsigned char vendor; /* Vendor ID */
unsigned short device; /* Device ID */
void *devinfo; /* Device info (APB or AHB depending on type) */
};
#define AMBAPP_FLAG_FFACT_DIR 0x100 /* Frequency factor direction, 0=down, 1=up */
#define AMBAPP_FLAG_FFACT 0x0f0 /* Frequency factor against top bus */
#define AMBAPP_FLAG_MBUS 0x00c
#define AMBAPP_FLAG_SBUS 0x003
struct ambapp_apb_info
{
/* COMMON */
unsigned char irq;
unsigned char ver;
/* APB SPECIFIC */
unsigned int start;
unsigned int mask;
};
struct ambapp_ahb_info
{
/* COMMON */
unsigned char irq;
unsigned char ver;
/* AHB SPECIFIC */
unsigned int start[4];
unsigned int mask[4];
char type[4]; /* type[N] Determine type of start[N]-mask[N], 2=AHB Memory Space, 3=AHB I/O Space */
unsigned int custom[3];
};
/* Describes a complete AMBA Core. Each device may consist of 3 interfaces */
struct ambapp_dev_info
{
char irq; /* irq=-1 indicate no IRQ */
unsigned char vendor;
unsigned short device;
int index; /* Core index if multiple "subcores" in one */
struct ambapp_ahb_info *ahb_mst;
struct ambapp_ahb_info *ahb_slv;
struct ambapp_apb_info *apb_slv;
};
struct ambapp_mmap
{
unsigned int size;
unsigned int local_adr;
unsigned int remote_adr;
};
/* Complete AMBA PnP information */
struct ambapp_bus
{
struct ambapp_mmap *mmaps;
struct ambapp_dev_hdr *root;
};
/*
* Return values
* 0 - continue
* 1 - stop scanning
*/
typedef int (*ambapp_func_t) (struct ambapp_dev_hdr * dev, int index,
int maxdepth, void *arg);
#define DEV_IS_FREE(dev) (dev->owner == NULL)
#define DEV_IS_ALLOCATED(dev) (dev->owner != NULL)
/* Options to ambapp_for_each */
#define OPTIONS_AHB_MSTS 0x00000001
#define OPTIONS_AHB_SLVS 0x00000002
#define OPTIONS_APB_SLVS 0x00000004
#define OPTIONS_ALL_DEVS (OPTIONS_AHB_MSTS|OPTIONS_AHB_SLVS|OPTIONS_APB_SLVS)
#define OPTIONS_FREE 0x00000010
#define OPTIONS_ALLOCATED 0x00000020
#define OPTIONS_ALL (OPTIONS_FREE|OPTIONS_ALLOCATED)
/* Depth first search, Defualt is breth first search. */
#define OPTIONS_DEPTH_FIRST 0x00000100
#define DEV_AHB_NONE 0
#define DEV_AHB_MST 1
#define DEV_AHB_SLV 2
#define DEV_APB_SLV 3
/* Structures used to access Plug&Play information directly */
struct ambapp_pnp_ahb
{
const unsigned int id; /* VENDOR, DEVICE, VER, IRQ, */
const unsigned int custom[3];
const unsigned int mbar[4]; /* MASK, ADDRESS, TYPE, CACHABLE/PREFETCHABLE */
};
struct ambapp_pnp_apb
{
const unsigned int id; /* VENDOR, DEVICE, VER, IRQ, */
const unsigned int iobar; /* MASK, ADDRESS, TYPE, CACHABLE/PREFETCHABLE */
};
#define ambapp_pnp_vendor(id) (((id) >> 24) & 0xff)
#define ambapp_pnp_device(id) (((id) >> 12) & 0xfff)
#define ambapp_pnp_ver(id) (((id)>>5) & 0x1f)
#define ambapp_pnp_irq(id) ((id) & 0x1f)
#define ambapp_pnp_start(mbar) (((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))
#define ambapp_pnp_mbar_mask(mbar) (((mbar)>>4) & 0xfff)
#define ambapp_pnp_mbar_type(mbar) ((mbar) & 0xf)
#define ambapp_pnp_apb_start(iobar, base) ((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )
#define ambapp_pnp_apb_mask(iobar) ((~(ambapp_pnp_mbar_mask(iobar)<<8) & 0x000fffff) + 1)
#define AMBA_TYPE_AHBIO_ADDR(addr,base_ioarea) ((unsigned int)(base_ioarea) | ((addr) >> 12))
#define AMBA_TYPE_APBIO 0x1
#define AMBA_TYPE_MEM 0x2
#define AMBA_TYPE_AHBIO 0x3
extern int find_apbslv (int vendor, int device,
struct ambapp_apb_info *dev);
#ifdef __cplusplus
}
#endif
#endif
|
