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
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
|
/*
* linux/arch/arm/mach-omap2/usb-ehci.c
*
* This file will contain the board specific details for the
* Synopsys EHCI host controller on OMAP3430
*
* Copyright (C) 2007 Texas Instruments
* Author: Vikram Pandita <vikram.pandita@ti.com>
*
* Generalization by:
* Felipe Balbi <felipe.balbi@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <plat/usb.h>
#include "mux.h"
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
static struct resource ehci_resources[] = {
{
.start = OMAP34XX_EHCI_BASE,
.end = OMAP34XX_EHCI_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_UHH_CONFIG_BASE,
.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_USBTLL_BASE,
.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.start = INT_34XX_EHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static u64 ehci_dmamask = ~(u32)0;
static struct platform_device ehci_device = {
.name = "ehci-omap",
.id = 0,
.dev = {
.dma_mask = &ehci_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = NULL,
},
.num_resources = ARRAY_SIZE(ehci_resources),
.resource = ehci_resources,
};
/* MUX settings for EHCI pins */
/*
* setup_ehci_io_mux - initialize IO pad mux for USBHOST
*/
static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
{
switch (port_mode[0]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb1_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb1_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb2_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb2_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
case EHCI_HCD_OMAP_MODE_PHY:
printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb3_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb3_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
return;
}
void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
/* Setup Pin IO MUX for EHCI */
if (cpu_is_omap34xx())
setup_ehci_io_mux(pdata->port_mode);
if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
return;
}
}
#else
void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
{
}
#endif /* CONFIG_USB_EHCI_HCD */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct resource ohci_resources[] = {
{
.start = OMAP34XX_OHCI_BASE,
.end = OMAP34XX_OHCI_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_UHH_CONFIG_BASE,
.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_USBTLL_BASE,
.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.start = INT_34XX_OHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct platform_device ohci_device = {
.name = "ohci-omap3",
.id = 0,
.dev = {
.dma_mask = &ohci_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(ohci_resources),
.resource = ohci_resources,
};
static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
{
switch (port_mode[0]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm1_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm1_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm1_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm2_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm2_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm2_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm3_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm3_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm3_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
}
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ohci_device, pdata, sizeof(*pdata));
/* Setup Pin IO MUX for OHCI */
if (cpu_is_omap34xx())
setup_ohci_io_mux(pdata->port_mode);
if (platform_device_register(&ohci_device) < 0) {
pr_err("Unable to register FS-USB (OHCI) device\n");
return;
}
}
#else
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
}
#endif /* CONFIG_USB_OHCI_HCD */
|
