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Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[net-next-2.6.git] / arch / arm / mach-omap2 / usb-ehci.c
CommitLineData
58a5491c
FB		 1/*
2 * linux/arch/arm/mach-omap2/usb-ehci.c
3 *
4 * This file will contain the board specific details for the
5 * Synopsys EHCI host controller on OMAP3430
6 *
7 * Copyright (C) 2007 Texas Instruments
8 * Author: Vikram Pandita <vikram.pandita@ti.com>
9 *
10 * Generalization by:
11 * Felipe Balbi <felipe.balbi@nokia.com>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17
18#include <linux/types.h>
19#include <linux/errno.h>
20#include <linux/delay.h>
21#include <linux/platform_device.h>
22#include <linux/clk.h>
bfb01197
AK		 23#include <linux/dma-mapping.h>
24
58a5491c
FB		 25#include <asm/io.h>
26#include <plat/mux.h>
27
28#include <mach/hardware.h>
29#include <mach/irqs.h>
30#include <plat/usb.h>
31
4896e394
TL		 32#include "mux.h"
33
58a5491c
FB		 34#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
35
36static struct resource ehci_resources[] = {
37 {
38 .start = OMAP34XX_EHCI_BASE,
39 .end = OMAP34XX_EHCI_BASE + SZ_1K - 1,
40 .flags = IORESOURCE_MEM,
41 },
42 {
43 .start = OMAP34XX_UHH_CONFIG_BASE,
44 .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
45 .flags = IORESOURCE_MEM,
46 },
47 {
48 .start = OMAP34XX_USBTLL_BASE,
49 .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
50 .flags = IORESOURCE_MEM,
51 },
52 { /* general IRQ */
53 .start = INT_34XX_EHCI_IRQ,
54 .flags = IORESOURCE_IRQ,
55 }
56};
57
58static u64 ehci_dmamask = ~(u32)0;
59static struct platform_device ehci_device = {
60 .name = "ehci-omap",
61 .id = 0,
62 .dev = {
63 .dma_mask = &ehci_dmamask,
64 .coherent_dma_mask = 0xffffffff,
65 .platform_data = NULL,
66 },
67 .num_resources = ARRAY_SIZE(ehci_resources),
68 .resource = ehci_resources,
69};
70
71/* MUX settings for EHCI pins */
72/*
73 * setup_ehci_io_mux - initialize IO pad mux for USBHOST
74 */
6f69a181 75static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
58a5491c
FB		 76{
77 switch (port_mode[0]) {
78 case EHCI_HCD_OMAP_MODE_PHY:
4896e394
TL		 79 omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
80 omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
81 omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
82 omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
83 omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
84 omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
85 omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
86 omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
87 omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
88 omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
89 omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
90 omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
58a5491c
FB		 91 break;
92 case EHCI_HCD_OMAP_MODE_TLL:
4896e394
TL		 93 omap_mux_init_signal("hsusb1_tll_stp",
94 OMAP_PIN_INPUT_PULLUP);
95 omap_mux_init_signal("hsusb1_tll_clk",
96 OMAP_PIN_INPUT_PULLDOWN);
97 omap_mux_init_signal("hsusb1_tll_dir",
98 OMAP_PIN_INPUT_PULLDOWN);
99 omap_mux_init_signal("hsusb1_tll_nxt",
100 OMAP_PIN_INPUT_PULLDOWN);
101 omap_mux_init_signal("hsusb1_tll_data0",
102 OMAP_PIN_INPUT_PULLDOWN);
103 omap_mux_init_signal("hsusb1_tll_data1",
104 OMAP_PIN_INPUT_PULLDOWN);
105 omap_mux_init_signal("hsusb1_tll_data2",
106 OMAP_PIN_INPUT_PULLDOWN);
107 omap_mux_init_signal("hsusb1_tll_data3",
108 OMAP_PIN_INPUT_PULLDOWN);
109 omap_mux_init_signal("hsusb1_tll_data4",
110 OMAP_PIN_INPUT_PULLDOWN);
111 omap_mux_init_signal("hsusb1_tll_data5",
112 OMAP_PIN_INPUT_PULLDOWN);
113 omap_mux_init_signal("hsusb1_tll_data6",
114 OMAP_PIN_INPUT_PULLDOWN);
115 omap_mux_init_signal("hsusb1_tll_data7",
116 OMAP_PIN_INPUT_PULLDOWN);
58a5491c
FB		 117 break;
118 case EHCI_HCD_OMAP_MODE_UNKNOWN:
119 /* FALLTHROUGH */
120 default:
121 break;
122 }
123
124 switch (port_mode[1]) {
125 case EHCI_HCD_OMAP_MODE_PHY:
4896e394
TL		 126 omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
127 omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
128 omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
129 omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
130 omap_mux_init_signal("hsusb2_data0",
131 OMAP_PIN_INPUT_PULLDOWN);
132 omap_mux_init_signal("hsusb2_data1",
133 OMAP_PIN_INPUT_PULLDOWN);
134 omap_mux_init_signal("hsusb2_data2",
135 OMAP_PIN_INPUT_PULLDOWN);
136 omap_mux_init_signal("hsusb2_data3",
137 OMAP_PIN_INPUT_PULLDOWN);
138 omap_mux_init_signal("hsusb2_data4",
139 OMAP_PIN_INPUT_PULLDOWN);
140 omap_mux_init_signal("hsusb2_data5",
141 OMAP_PIN_INPUT_PULLDOWN);
142 omap_mux_init_signal("hsusb2_data6",
143 OMAP_PIN_INPUT_PULLDOWN);
144 omap_mux_init_signal("hsusb2_data7",
145 OMAP_PIN_INPUT_PULLDOWN);
58a5491c
FB		 146 break;
147 case EHCI_HCD_OMAP_MODE_TLL:
4896e394
TL		 148 omap_mux_init_signal("hsusb2_tll_stp",
149 OMAP_PIN_INPUT_PULLUP);
150 omap_mux_init_signal("hsusb2_tll_clk",
151 OMAP_PIN_INPUT_PULLDOWN);
152 omap_mux_init_signal("hsusb2_tll_dir",
153 OMAP_PIN_INPUT_PULLDOWN);
154 omap_mux_init_signal("hsusb2_tll_nxt",
155 OMAP_PIN_INPUT_PULLDOWN);
156 omap_mux_init_signal("hsusb2_tll_data0",
157 OMAP_PIN_INPUT_PULLDOWN);
158 omap_mux_init_signal("hsusb2_tll_data1",
159 OMAP_PIN_INPUT_PULLDOWN);
160 omap_mux_init_signal("hsusb2_tll_data2",
161 OMAP_PIN_INPUT_PULLDOWN);
162 omap_mux_init_signal("hsusb2_tll_data3",
163 OMAP_PIN_INPUT_PULLDOWN);
164 omap_mux_init_signal("hsusb2_tll_data4",
165 OMAP_PIN_INPUT_PULLDOWN);
166 omap_mux_init_signal("hsusb2_tll_data5",
167 OMAP_PIN_INPUT_PULLDOWN);
168 omap_mux_init_signal("hsusb2_tll_data6",
169 OMAP_PIN_INPUT_PULLDOWN);
170 omap_mux_init_signal("hsusb2_tll_data7",
171 OMAP_PIN_INPUT_PULLDOWN);
58a5491c
FB		 172 break;
173 case EHCI_HCD_OMAP_MODE_UNKNOWN:
174 /* FALLTHROUGH */
175 default:
176 break;
177 }
178
179 switch (port_mode[2]) {
180 case EHCI_HCD_OMAP_MODE_PHY:
181 printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
182 break;
183 case EHCI_HCD_OMAP_MODE_TLL:
4896e394
TL		 184 omap_mux_init_signal("hsusb3_tll_stp",
185 OMAP_PIN_INPUT_PULLUP);
186 omap_mux_init_signal("hsusb3_tll_clk",
187 OMAP_PIN_INPUT_PULLDOWN);
188 omap_mux_init_signal("hsusb3_tll_dir",
189 OMAP_PIN_INPUT_PULLDOWN);
190 omap_mux_init_signal("hsusb3_tll_nxt",
191 OMAP_PIN_INPUT_PULLDOWN);
192 omap_mux_init_signal("hsusb3_tll_data0",
193 OMAP_PIN_INPUT_PULLDOWN);
194 omap_mux_init_signal("hsusb3_tll_data1",
195 OMAP_PIN_INPUT_PULLDOWN);
196 omap_mux_init_signal("hsusb3_tll_data2",
197 OMAP_PIN_INPUT_PULLDOWN);
198 omap_mux_init_signal("hsusb3_tll_data3",
199 OMAP_PIN_INPUT_PULLDOWN);
200 omap_mux_init_signal("hsusb3_tll_data4",
201 OMAP_PIN_INPUT_PULLDOWN);
202 omap_mux_init_signal("hsusb3_tll_data5",
203 OMAP_PIN_INPUT_PULLDOWN);
204 omap_mux_init_signal("hsusb3_tll_data6",
205 OMAP_PIN_INPUT_PULLDOWN);
206 omap_mux_init_signal("hsusb3_tll_data7",
207 OMAP_PIN_INPUT_PULLDOWN);
58a5491c
FB		 208 break;
209 case EHCI_HCD_OMAP_MODE_UNKNOWN:
210 /* FALLTHROUGH */
211 default:
212 break;
213 }
214
215 return;
216}
217
6f69a181 218void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
58a5491c
FB		 219{
220 platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
221
222 /* Setup Pin IO MUX for EHCI */
223 if (cpu_is_omap34xx())
224 setup_ehci_io_mux(pdata->port_mode);
225
226 if (platform_device_register(&ehci_device) < 0) {
227 printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
228 return;
229 }
230}
231
232#else
233
6f69a181 234void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
58a5491c
FB		 235
236{
237}
238
239#endif /* CONFIG_USB_EHCI_HCD */
240
95344fcc
AG		 241#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
242
243static struct resource ohci_resources[] = {
244 {
245 .start = OMAP34XX_OHCI_BASE,
246 .end = OMAP34XX_OHCI_BASE + SZ_1K - 1,
247 .flags = IORESOURCE_MEM,
248 },
249 {
250 .start = OMAP34XX_UHH_CONFIG_BASE,
251 .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
252 .flags = IORESOURCE_MEM,
253 },
254 {
255 .start = OMAP34XX_USBTLL_BASE,
256 .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
257 .flags = IORESOURCE_MEM,
258 },
259 { /* general IRQ */
260 .start = INT_34XX_OHCI_IRQ,
261 .flags = IORESOURCE_IRQ,
262 }
263};
264
265static u64 ohci_dmamask = DMA_BIT_MASK(32);
266
267static struct platform_device ohci_device = {
268 .name = "ohci-omap3",
269 .id = 0,
270 .dev = {
271 .dma_mask = &ohci_dmamask,
272 .coherent_dma_mask = 0xffffffff,
273 },
274 .num_resources = ARRAY_SIZE(ohci_resources),
275 .resource = ohci_resources,
276};
277
278static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
279{
280 switch (port_mode[0]) {
281 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
282 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
283 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
284 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
285 omap_mux_init_signal("mm1_rxdp",
286 OMAP_PIN_INPUT_PULLDOWN);
287 omap_mux_init_signal("mm1_rxdm",
288 OMAP_PIN_INPUT_PULLDOWN);
289 /* FALLTHROUGH */
290 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
291 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
292 omap_mux_init_signal("mm1_rxrcv",
293 OMAP_PIN_INPUT_PULLDOWN);
294 /* FALLTHROUGH */
295 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
296 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
297 omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT);
298 /* FALLTHROUGH */
299 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
300 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
301 omap_mux_init_signal("mm1_txse0",
302 OMAP_PIN_INPUT_PULLDOWN);
303 omap_mux_init_signal("mm1_txdat",
304 OMAP_PIN_INPUT_PULLDOWN);
305 break;
306 case OMAP_OHCI_PORT_MODE_UNUSED:
307 /* FALLTHROUGH */
308 default:
309 break;
310 }
311 switch (port_mode[1]) {
312 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
313 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
314 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
315 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
316 omap_mux_init_signal("mm2_rxdp",
317 OMAP_PIN_INPUT_PULLDOWN);
318 omap_mux_init_signal("mm2_rxdm",
319 OMAP_PIN_INPUT_PULLDOWN);
320 /* FALLTHROUGH */
321 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
322 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
323 omap_mux_init_signal("mm2_rxrcv",
324 OMAP_PIN_INPUT_PULLDOWN);
325 /* FALLTHROUGH */
326 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
327 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
328 omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT);
329 /* FALLTHROUGH */
330 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
331 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
332 omap_mux_init_signal("mm2_txse0",
333 OMAP_PIN_INPUT_PULLDOWN);
334 omap_mux_init_signal("mm2_txdat",
335 OMAP_PIN_INPUT_PULLDOWN);
336 break;
337 case OMAP_OHCI_PORT_MODE_UNUSED:
338 /* FALLTHROUGH */
339 default:
340 break;
341 }
342 switch (port_mode[2]) {
343 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
344 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
345 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
346 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
347 omap_mux_init_signal("mm3_rxdp",
348 OMAP_PIN_INPUT_PULLDOWN);
349 omap_mux_init_signal("mm3_rxdm",
350 OMAP_PIN_INPUT_PULLDOWN);
351 /* FALLTHROUGH */
352 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
353 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
354 omap_mux_init_signal("mm3_rxrcv",
355 OMAP_PIN_INPUT_PULLDOWN);
356 /* FALLTHROUGH */
357 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
358 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
359 omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT);
360 /* FALLTHROUGH */
361 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
362 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
363 omap_mux_init_signal("mm3_txse0",
364 OMAP_PIN_INPUT_PULLDOWN);
365 omap_mux_init_signal("mm3_txdat",
366 OMAP_PIN_INPUT_PULLDOWN);
367 break;
368 case OMAP_OHCI_PORT_MODE_UNUSED:
369 /* FALLTHROUGH */
370 default:
371 break;
372 }
373}
374
375void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
376{
377 platform_device_add_data(&ohci_device, pdata, sizeof(*pdata));
378
379 /* Setup Pin IO MUX for OHCI */
380 if (cpu_is_omap34xx())
381 setup_ohci_io_mux(pdata->port_mode);
382
383 if (platform_device_register(&ohci_device) < 0) {
384 pr_err("Unable to register FS-USB (OHCI) device\n");
385 return;
386 }
387}
388
389#else
390
391void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
392{
393}
394
395#endif /* CONFIG_USB_OHCI_HCD */
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