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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
/* SPDX-License-Identifier: BSD-2-Clause */
/* LEON3 GRLIB AMBA Plug & Play bus driver.
*
* COPYRIGHT (c) 2008.
* Cobham Gaisler AB.
*
* This is driver is a wrapper for the general AMBA Plug & Play bus
* driver. This is the root bus driver for GRLIB systems.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <libcpu/access.h>
#include <grlib/ambapp_bus.h>
#include <grlib/ambapp_bus_grlib.h>
#include <grlib/genirq.h>
#include <bsp.h>
#include <bsp/irq.h>
#include <grlib/grlib_impl.h>
#define DBG(args...)
/*#define DBG(args...) printk(args)*/
static int ambapp_grlib_int_register(
struct drvmgr_dev *dev,
int irq,
const char *info,
drvmgr_isr isr,
void *arg);
static int ambapp_grlib_int_unregister(
struct drvmgr_dev *dev,
int irq,
drvmgr_isr isr,
void *arg);
static int ambapp_grlib_int_clear(
struct drvmgr_dev *dev,
int irq);
static int ambapp_grlib_int_mask(
struct drvmgr_dev *dev,
int irq);
static int ambapp_grlib_int_unmask(
struct drvmgr_dev *dev,
int irq);
#ifdef RTEMS_SMP
static int ambapp_grlib_int_set_affinity(
struct drvmgr_dev *dev,
int irq,
const Processor_mask *cpus);
#endif
static int ambapp_grlib_get_params(
struct drvmgr_dev *dev,
struct drvmgr_bus_params *params);
static int ambapp_grlib_init1(struct drvmgr_dev *dev);
static int ambapp_grlib_init2(struct drvmgr_dev *dev);
static int ambapp_grlib_remove(struct drvmgr_dev *dev);
/* READ/WRITE access to SpaceWire target over RMAP */
static void *ambapp_grlib_rw_arg(struct drvmgr_dev *dev);
static struct ambapp_ops ambapp_grlib_ops = {
.int_register = ambapp_grlib_int_register,
.int_unregister = ambapp_grlib_int_unregister,
.int_clear = ambapp_grlib_int_clear,
.int_mask = ambapp_grlib_int_mask,
.int_unmask = ambapp_grlib_int_unmask,
#ifdef RTEMS_SMP
.int_set_affinity = ambapp_grlib_int_set_affinity,
#endif
.get_params = ambapp_grlib_get_params
};
static void *ambapp_grlib_rw_arg(struct drvmgr_dev *dev)
{
return dev; /* No argument really needed, but for debug? */
}
static struct drvmgr_func ambapp_grlib_funcs[] =
{
DRVMGR_FUNC(AMBAPP_RW_ARG, ambapp_grlib_rw_arg),
DRVMGR_FUNC(AMBAPP_R8, _ld8),
DRVMGR_FUNC(AMBAPP_R16, _ld16),
DRVMGR_FUNC(AMBAPP_R32, _ld32),
DRVMGR_FUNC(AMBAPP_R64, _ld64),
DRVMGR_FUNC(AMBAPP_W8, _st8),
DRVMGR_FUNC(AMBAPP_W16, _st16),
DRVMGR_FUNC(AMBAPP_W32, _st32),
DRVMGR_FUNC(AMBAPP_W64, _st64),
DRVMGR_FUNC(AMBAPP_RMEM, memcpy),
DRVMGR_FUNC(AMBAPP_WMEM, memcpy),
DRVMGR_FUNC_END,
};
static struct drvmgr_drv_ops ambapp_grlib_drv_ops =
{
.init = {ambapp_grlib_init1, ambapp_grlib_init2, NULL, NULL},
.remove = ambapp_grlib_remove,
.info = NULL,
};
static struct drvmgr_drv ambapp_bus_drv_grlib =
{
DRVMGR_OBJ_DRV, /* Driver */
NULL, /* Next driver */
NULL, /* Device list */
DRIVER_GRLIB_AMBAPP_ID, /* Driver ID */
"AMBAPP_GRLIB_DRV", /* Driver Name */
DRVMGR_BUS_TYPE_ROOT, /* Bus Type */
&ambapp_grlib_drv_ops,
NULL, /* Funcs */
0,
0,
};
static struct grlib_config *drv_mgr_grlib_config = NULL;
void ambapp_grlib_register(void)
{
drvmgr_drv_register(&ambapp_bus_drv_grlib);
}
int ambapp_grlib_root_register(struct grlib_config *config)
{
/* Save the configuration for later */
drv_mgr_grlib_config = config;
/* Register root device driver */
drvmgr_root_drv_register(&ambapp_bus_drv_grlib);
return 0;
}
/* Function called from Driver Manager Initialization Stage 1 */
static int ambapp_grlib_init1(struct drvmgr_dev *dev)
{
struct ambapp_config *config;
dev->priv = NULL;
dev->name = "GRLIB AMBA PnP";
DBG("AMBAPP GRLIB: intializing\n");
config = grlib_malloc(sizeof(*config));
if ( !config )
return RTEMS_NO_MEMORY;
config->ops = &ambapp_grlib_ops;
config->maps_up = DRVMGR_TRANSLATE_ONE2ONE;
config->maps_down = DRVMGR_TRANSLATE_ONE2ONE;
config->abus = drv_mgr_grlib_config->abus;
config->resources = drv_mgr_grlib_config->resources;
config->funcs = ambapp_grlib_funcs;
config->bus_type = DRVMGR_BUS_TYPE_AMBAPP;
/* Initialize the generic part of the AMBA Bus */
return ambapp_bus_register(dev, config);
}
static int ambapp_grlib_init2(struct drvmgr_dev *dev)
{
return 0;
}
static int ambapp_grlib_remove(struct drvmgr_dev *dev)
{
return 0;
}
static int ambapp_grlib_int_register
(
struct drvmgr_dev *dev,
int irq,
const char *info,
drvmgr_isr isr,
void *arg
)
{
return rtems_interrupt_handler_install(irq, info,
RTEMS_INTERRUPT_SHARED, isr, arg);
}
static int ambapp_grlib_int_unregister
(
struct drvmgr_dev *dev,
int irq,
drvmgr_isr isr,
void *arg
)
{
return rtems_interrupt_handler_remove(irq, isr, arg);
}
static int ambapp_grlib_int_clear
(
struct drvmgr_dev *dev,
int irq)
{
BSP_shared_interrupt_clear(irq);
return DRVMGR_OK;
}
static int ambapp_grlib_int_mask
(
struct drvmgr_dev *dev,
int irq
)
{
BSP_shared_interrupt_mask(irq);
return DRVMGR_OK;
}
static int ambapp_grlib_int_unmask
(
struct drvmgr_dev *dev,
int irq
)
{
BSP_shared_interrupt_unmask(irq);
return DRVMGR_OK;
}
#ifdef RTEMS_SMP
static int ambapp_grlib_int_set_affinity
(
struct drvmgr_dev *dev,
int irq,
const Processor_mask *cpus
)
{
bsp_interrupt_set_affinity(irq, cpus);
return DRVMGR_OK;
}
#endif
static int ambapp_grlib_get_params(struct drvmgr_dev *dev, struct drvmgr_bus_params *params)
{
/* Leave params->freq_hz untouched for default */
params->dev_prefix = "";
return 0;
}
|
