blob: 70c02c9deba8c6391f3270f360c085bc54131deb [file] [log] [blame]
Michael Trimarchiaaf098c2008-11-28 13:20:46 +01001/*-
2 * Copyright (c) 2007-2008, Juniper Networks, Inc.
michaeldb632992008-12-10 17:55:19 +01003 * Copyright (c) 2008, Excito Elektronik i Skåne AB
Remy Böhmerc0d722f2008-12-13 22:51:58 +01004 * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
5 *
Michael Trimarchiaaf098c2008-11-28 13:20:46 +01006 * All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation version 2 of
11 * the License.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
Michael Trimarchiaaf098c2008-11-28 13:20:46 +010023#include <common.h>
michaeldb632992008-12-10 17:55:19 +010024#include <asm/byteorder.h>
Michael Trimarchiaaf098c2008-11-28 13:20:46 +010025#include <usb.h>
26#include <asm/io.h>
michaeldb632992008-12-10 17:55:19 +010027#include <malloc.h>
Stefan Roese67333f72010-11-26 15:43:28 +010028#include <watchdog.h>
Jean-Christophe PLAGNIOL-VILLARD2731b9a2009-04-03 12:46:58 +020029
30#include "ehci.h"
Michael Trimarchiaaf098c2008-11-28 13:20:46 +010031
32int rootdev;
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +010033struct ehci_hccr *hccr; /* R/O registers, not need for volatile */
Michael Trimarchiaaf098c2008-11-28 13:20:46 +010034volatile struct ehci_hcor *hcor;
35
36static uint16_t portreset;
37static struct QH qh_list __attribute__((aligned(32)));
38
michaeldb632992008-12-10 17:55:19 +010039static struct descriptor {
40 struct usb_hub_descriptor hub;
41 struct usb_device_descriptor device;
42 struct usb_linux_config_descriptor config;
43 struct usb_linux_interface_descriptor interface;
44 struct usb_endpoint_descriptor endpoint;
45} __attribute__ ((packed)) descriptor = {
46 {
47 0x8, /* bDescLength */
48 0x29, /* bDescriptorType: hub descriptor */
49 2, /* bNrPorts -- runtime modified */
50 0, /* wHubCharacteristics */
51 0xff, /* bPwrOn2PwrGood */
52 0, /* bHubCntrCurrent */
53 {}, /* Device removable */
54 {} /* at most 7 ports! XXX */
55 },
56 {
57 0x12, /* bLength */
58 1, /* bDescriptorType: UDESC_DEVICE */
Sergei Shtylyov6d313c82010-02-27 21:29:42 +030059 cpu_to_le16(0x0200), /* bcdUSB: v2.0 */
michaeldb632992008-12-10 17:55:19 +010060 9, /* bDeviceClass: UDCLASS_HUB */
61 0, /* bDeviceSubClass: UDSUBCLASS_HUB */
62 1, /* bDeviceProtocol: UDPROTO_HSHUBSTT */
63 64, /* bMaxPacketSize: 64 bytes */
64 0x0000, /* idVendor */
65 0x0000, /* idProduct */
Sergei Shtylyov6d313c82010-02-27 21:29:42 +030066 cpu_to_le16(0x0100), /* bcdDevice */
michaeldb632992008-12-10 17:55:19 +010067 1, /* iManufacturer */
68 2, /* iProduct */
69 0, /* iSerialNumber */
70 1 /* bNumConfigurations: 1 */
71 },
72 {
73 0x9,
74 2, /* bDescriptorType: UDESC_CONFIG */
75 cpu_to_le16(0x19),
76 1, /* bNumInterface */
77 1, /* bConfigurationValue */
78 0, /* iConfiguration */
79 0x40, /* bmAttributes: UC_SELF_POWER */
80 0 /* bMaxPower */
81 },
82 {
83 0x9, /* bLength */
84 4, /* bDescriptorType: UDESC_INTERFACE */
85 0, /* bInterfaceNumber */
86 0, /* bAlternateSetting */
87 1, /* bNumEndpoints */
88 9, /* bInterfaceClass: UICLASS_HUB */
89 0, /* bInterfaceSubClass: UISUBCLASS_HUB */
90 0, /* bInterfaceProtocol: UIPROTO_HSHUBSTT */
91 0 /* iInterface */
92 },
93 {
94 0x7, /* bLength */
95 5, /* bDescriptorType: UDESC_ENDPOINT */
96 0x81, /* bEndpointAddress:
97 * UE_DIR_IN | EHCI_INTR_ENDPT
98 */
99 3, /* bmAttributes: UE_INTERRUPT */
Tom Rix8f8bd562009-10-31 12:37:38 -0500100 8, /* wMaxPacketSize */
michaeldb632992008-12-10 17:55:19 +0100101 255 /* bInterval */
102 },
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100103};
104
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100105#if defined(CONFIG_EHCI_IS_TDI)
106#define ehci_is_TDI() (1)
107#else
108#define ehci_is_TDI() (0)
109#endif
110
Stefan Roesedaa2daf2009-01-21 17:12:19 +0100111#if defined(CONFIG_EHCI_DCACHE)
112/*
113 * Routines to handle (flush/invalidate) the dcache for the QH and qTD
114 * structures and data buffers. This is needed on platforms using this
115 * EHCI support with dcache enabled.
116 */
117static void flush_invalidate(u32 addr, int size, int flush)
118{
119 if (flush)
120 flush_dcache_range(addr, addr + size);
121 else
122 invalidate_dcache_range(addr, addr + size);
123}
124
125static void cache_qtd(struct qTD *qtd, int flush)
126{
127 u32 *ptr = (u32 *)qtd->qt_buffer[0];
128 int len = (qtd->qt_token & 0x7fff0000) >> 16;
129
130 flush_invalidate((u32)qtd, sizeof(struct qTD), flush);
131 if (ptr && len)
132 flush_invalidate((u32)ptr, len, flush);
133}
134
135
136static inline struct QH *qh_addr(struct QH *qh)
137{
138 return (struct QH *)((u32)qh & 0xffffffe0);
139}
140
141static void cache_qh(struct QH *qh, int flush)
142{
143 struct qTD *qtd;
144 struct qTD *next;
145 static struct qTD *first_qtd;
146
147 /*
148 * Walk the QH list and flush/invalidate all entries
149 */
150 while (1) {
151 flush_invalidate((u32)qh_addr(qh), sizeof(struct QH), flush);
152 if ((u32)qh & QH_LINK_TYPE_QH)
153 break;
154 qh = qh_addr(qh);
155 qh = (struct QH *)qh->qh_link;
156 }
157 qh = qh_addr(qh);
158
159 /*
160 * Save first qTD pointer, needed for invalidating pass on this QH
161 */
162 if (flush)
163 first_qtd = qtd = (struct qTD *)(*(u32 *)&qh->qh_overlay &
164 0xffffffe0);
165 else
166 qtd = first_qtd;
167
168 /*
169 * Walk the qTD list and flush/invalidate all entries
170 */
171 while (1) {
172 if (qtd == NULL)
173 break;
174 cache_qtd(qtd, flush);
175 next = (struct qTD *)((u32)qtd->qt_next & 0xffffffe0);
176 if (next == qtd)
177 break;
178 qtd = next;
179 }
180}
181
182static inline void ehci_flush_dcache(struct QH *qh)
183{
184 cache_qh(qh, 1);
185}
186
187static inline void ehci_invalidate_dcache(struct QH *qh)
188{
189 cache_qh(qh, 0);
190}
191#else /* CONFIG_EHCI_DCACHE */
192/*
193 *
194 */
195static inline void ehci_flush_dcache(struct QH *qh)
196{
197}
198
199static inline void ehci_invalidate_dcache(struct QH *qh)
200{
201}
202#endif /* CONFIG_EHCI_DCACHE */
203
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100204static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
michaeldb632992008-12-10 17:55:19 +0100205{
michael51ab1422008-12-11 13:43:55 +0100206 uint32_t result;
207 do {
208 result = ehci_readl(ptr);
Wolfgang Denk09c83a42010-10-22 14:23:00 +0200209 udelay(5);
michael51ab1422008-12-11 13:43:55 +0100210 if (result == ~(uint32_t)0)
211 return -1;
212 result &= mask;
213 if (result == done)
214 return 0;
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100215 usec--;
216 } while (usec > 0);
michael51ab1422008-12-11 13:43:55 +0100217 return -1;
218}
219
220static void ehci_free(void *p, size_t sz)
221{
222
223}
224
225static int ehci_reset(void)
226{
227 uint32_t cmd;
228 uint32_t tmp;
229 uint32_t *reg_ptr;
230 int ret = 0;
231
232 cmd = ehci_readl(&hcor->or_usbcmd);
Stefan Roese273d7202010-11-26 15:44:00 +0100233 cmd = (cmd & ~CMD_RUN) | CMD_RESET;
michael51ab1422008-12-11 13:43:55 +0100234 ehci_writel(&hcor->or_usbcmd, cmd);
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100235 ret = handshake((uint32_t *)&hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);
michael51ab1422008-12-11 13:43:55 +0100236 if (ret < 0) {
237 printf("EHCI fail to reset\n");
238 goto out;
239 }
240
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100241 if (ehci_is_TDI()) {
242 reg_ptr = (uint32_t *)((u8 *)hcor + USBMODE);
243 tmp = ehci_readl(reg_ptr);
244 tmp |= USBMODE_CM_HC;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100245#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100246 tmp |= USBMODE_BE;
michael51ab1422008-12-11 13:43:55 +0100247#endif
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100248 ehci_writel(reg_ptr, tmp);
249 }
michael51ab1422008-12-11 13:43:55 +0100250out:
251 return ret;
michaeldb632992008-12-10 17:55:19 +0100252}
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100253
254static void *ehci_alloc(size_t sz, size_t align)
255{
256 static struct QH qh __attribute__((aligned(32)));
257 static struct qTD td[3] __attribute__((aligned (32)));
258 static int ntds;
259 void *p;
260
261 switch (sz) {
262 case sizeof(struct QH):
263 p = &qh;
264 ntds = 0;
265 break;
266 case sizeof(struct qTD):
267 if (ntds == 3) {
michaeldb632992008-12-10 17:55:19 +0100268 debug("out of TDs\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100269 return NULL;
270 }
271 p = &td[ntds];
272 ntds++;
273 break;
274 default:
michaeldb632992008-12-10 17:55:19 +0100275 debug("unknown allocation size\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100276 return NULL;
277 }
278
Sergei Shtylyov9fb3b502010-06-28 22:44:49 +0400279 memset(p, 0, sz);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100280 return p;
281}
282
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100283static int ehci_td_buffer(struct qTD *td, void *buf, size_t sz)
284{
285 uint32_t addr, delta, next;
286 int idx;
287
288 addr = (uint32_t) buf;
289 idx = 0;
290 while (idx < 5) {
michaeldb632992008-12-10 17:55:19 +0100291 td->qt_buffer[idx] = cpu_to_hc32(addr);
Wolfgang Denk3ed16072010-10-19 16:13:15 +0200292 td->qt_buffer_hi[idx] = 0;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100293 next = (addr + 4096) & ~4095;
294 delta = next - addr;
295 if (delta >= sz)
296 break;
297 sz -= delta;
298 addr = next;
299 idx++;
300 }
301
302 if (idx == 5) {
michaeldb632992008-12-10 17:55:19 +0100303 debug("out of buffer pointers (%u bytes left)\n", sz);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100304 return -1;
305 }
306
307 return 0;
308}
309
310static int
311ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
312 int length, struct devrequest *req)
313{
314 struct QH *qh;
315 struct qTD *td;
316 volatile struct qTD *vtd;
317 unsigned long ts;
318 uint32_t *tdp;
319 uint32_t endpt, token, usbsts;
320 uint32_t c, toggle;
michaeldb632992008-12-10 17:55:19 +0100321 uint32_t cmd;
Simon Glass96820a32011-02-07 14:42:16 -0800322 int timeout;
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100323 int ret = 0;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100324
michaeldb632992008-12-10 17:55:19 +0100325 debug("dev=%p, pipe=%lx, buffer=%p, length=%d, req=%p\n", dev, pipe,
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100326 buffer, length, req);
327 if (req != NULL)
michaeldb632992008-12-10 17:55:19 +0100328 debug("req=%u (%#x), type=%u (%#x), value=%u (%#x), index=%u\n",
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100329 req->request, req->request,
330 req->requesttype, req->requesttype,
331 le16_to_cpu(req->value), le16_to_cpu(req->value),
michaeldb632992008-12-10 17:55:19 +0100332 le16_to_cpu(req->index));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100333
334 qh = ehci_alloc(sizeof(struct QH), 32);
335 if (qh == NULL) {
michaeldb632992008-12-10 17:55:19 +0100336 debug("unable to allocate QH\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100337 return -1;
338 }
michaeldb632992008-12-10 17:55:19 +0100339 qh->qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100340 c = (usb_pipespeed(pipe) != USB_SPEED_HIGH &&
341 usb_pipeendpoint(pipe) == 0) ? 1 : 0;
342 endpt = (8 << 28) |
343 (c << 27) |
344 (usb_maxpacket(dev, pipe) << 16) |
345 (0 << 15) |
346 (1 << 14) |
347 (usb_pipespeed(pipe) << 12) |
348 (usb_pipeendpoint(pipe) << 8) |
349 (0 << 7) | (usb_pipedevice(pipe) << 0);
michaeldb632992008-12-10 17:55:19 +0100350 qh->qh_endpt1 = cpu_to_hc32(endpt);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100351 endpt = (1 << 30) |
352 (dev->portnr << 23) |
353 (dev->parent->devnum << 16) | (0 << 8) | (0 << 0);
michaeldb632992008-12-10 17:55:19 +0100354 qh->qh_endpt2 = cpu_to_hc32(endpt);
355 qh->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100356
357 td = NULL;
358 tdp = &qh->qh_overlay.qt_next;
359
360 toggle =
361 usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe));
362
363 if (req != NULL) {
364 td = ehci_alloc(sizeof(struct qTD), 32);
365 if (td == NULL) {
michaeldb632992008-12-10 17:55:19 +0100366 debug("unable to allocate SETUP td\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100367 goto fail;
368 }
michaeldb632992008-12-10 17:55:19 +0100369 td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
370 td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100371 token = (0 << 31) |
372 (sizeof(*req) << 16) |
373 (0 << 15) | (0 << 12) | (3 << 10) | (2 << 8) | (0x80 << 0);
michaeldb632992008-12-10 17:55:19 +0100374 td->qt_token = cpu_to_hc32(token);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100375 if (ehci_td_buffer(td, req, sizeof(*req)) != 0) {
michaeldb632992008-12-10 17:55:19 +0100376 debug("unable construct SETUP td\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100377 ehci_free(td, sizeof(*td));
378 goto fail;
379 }
michaeldb632992008-12-10 17:55:19 +0100380 *tdp = cpu_to_hc32((uint32_t) td);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100381 tdp = &td->qt_next;
382 toggle = 1;
383 }
384
385 if (length > 0 || req == NULL) {
386 td = ehci_alloc(sizeof(struct qTD), 32);
387 if (td == NULL) {
michaeldb632992008-12-10 17:55:19 +0100388 debug("unable to allocate DATA td\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100389 goto fail;
390 }
michaeldb632992008-12-10 17:55:19 +0100391 td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
392 td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100393 token = (toggle << 31) |
394 (length << 16) |
395 ((req == NULL ? 1 : 0) << 15) |
396 (0 << 12) |
397 (3 << 10) |
398 ((usb_pipein(pipe) ? 1 : 0) << 8) | (0x80 << 0);
michaeldb632992008-12-10 17:55:19 +0100399 td->qt_token = cpu_to_hc32(token);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100400 if (ehci_td_buffer(td, buffer, length) != 0) {
michaeldb632992008-12-10 17:55:19 +0100401 debug("unable construct DATA td\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100402 ehci_free(td, sizeof(*td));
403 goto fail;
404 }
michaeldb632992008-12-10 17:55:19 +0100405 *tdp = cpu_to_hc32((uint32_t) td);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100406 tdp = &td->qt_next;
407 }
408
409 if (req != NULL) {
410 td = ehci_alloc(sizeof(struct qTD), 32);
411 if (td == NULL) {
michaeldb632992008-12-10 17:55:19 +0100412 debug("unable to allocate ACK td\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100413 goto fail;
414 }
michaeldb632992008-12-10 17:55:19 +0100415 td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
416 td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100417 token = (toggle << 31) |
418 (0 << 16) |
419 (1 << 15) |
420 (0 << 12) |
421 (3 << 10) |
422 ((usb_pipein(pipe) ? 0 : 1) << 8) | (0x80 << 0);
michaeldb632992008-12-10 17:55:19 +0100423 td->qt_token = cpu_to_hc32(token);
424 *tdp = cpu_to_hc32((uint32_t) td);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100425 tdp = &td->qt_next;
426 }
427
michaeldb632992008-12-10 17:55:19 +0100428 qh_list.qh_link = cpu_to_hc32((uint32_t) qh | QH_LINK_TYPE_QH);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100429
Stefan Roesedaa2daf2009-01-21 17:12:19 +0100430 /* Flush dcache */
431 ehci_flush_dcache(&qh_list);
432
michael51ab1422008-12-11 13:43:55 +0100433 usbsts = ehci_readl(&hcor->or_usbsts);
434 ehci_writel(&hcor->or_usbsts, (usbsts & 0x3f));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100435
436 /* Enable async. schedule. */
michael51ab1422008-12-11 13:43:55 +0100437 cmd = ehci_readl(&hcor->or_usbcmd);
438 cmd |= CMD_ASE;
439 ehci_writel(&hcor->or_usbcmd, cmd);
michaeldb632992008-12-10 17:55:19 +0100440
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100441 ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, STD_ASS,
442 100 * 1000);
443 if (ret < 0) {
444 printf("EHCI fail timeout STD_ASS set\n");
445 goto fail;
michael51ab1422008-12-11 13:43:55 +0100446 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100447
448 /* Wait for TDs to be processed. */
449 ts = get_timer(0);
450 vtd = td;
Simon Glass96820a32011-02-07 14:42:16 -0800451 timeout = USB_TIMEOUT_MS(pipe);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100452 do {
Stefan Roesedaa2daf2009-01-21 17:12:19 +0100453 /* Invalidate dcache */
454 ehci_invalidate_dcache(&qh_list);
michaeldb632992008-12-10 17:55:19 +0100455 token = hc32_to_cpu(vtd->qt_token);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100456 if (!(token & 0x80))
457 break;
Stefan Roese67333f72010-11-26 15:43:28 +0100458 WATCHDOG_RESET();
Simon Glass96820a32011-02-07 14:42:16 -0800459 } while (get_timer(ts) < timeout);
460
461 /* Check that the TD processing happened */
462 if (token & 0x80) {
463 printf("EHCI timed out on TD - token=%#x\n", token);
464 goto fail;
465 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100466
467 /* Disable async schedule. */
michael51ab1422008-12-11 13:43:55 +0100468 cmd = ehci_readl(&hcor->or_usbcmd);
michaeldb632992008-12-10 17:55:19 +0100469 cmd &= ~CMD_ASE;
michael51ab1422008-12-11 13:43:55 +0100470 ehci_writel(&hcor->or_usbcmd, cmd);
471
Michael Trimarchi1ed9f9a2008-12-31 10:33:22 +0100472 ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, 0,
473 100 * 1000);
474 if (ret < 0) {
475 printf("EHCI fail timeout STD_ASS reset\n");
476 goto fail;
michael51ab1422008-12-11 13:43:55 +0100477 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100478
michaeldb632992008-12-10 17:55:19 +0100479 qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100480
michaeldb632992008-12-10 17:55:19 +0100481 token = hc32_to_cpu(qh->qh_overlay.qt_token);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100482 if (!(token & 0x80)) {
michaeldb632992008-12-10 17:55:19 +0100483 debug("TOKEN=%#x\n", token);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100484 switch (token & 0xfc) {
485 case 0:
486 toggle = token >> 31;
487 usb_settoggle(dev, usb_pipeendpoint(pipe),
488 usb_pipeout(pipe), toggle);
489 dev->status = 0;
490 break;
491 case 0x40:
492 dev->status = USB_ST_STALLED;
493 break;
494 case 0xa0:
495 case 0x20:
496 dev->status = USB_ST_BUF_ERR;
497 break;
498 case 0x50:
499 case 0x10:
500 dev->status = USB_ST_BABBLE_DET;
501 break;
502 default:
503 dev->status = USB_ST_CRC_ERR;
Anatolij Gustschin222d6df2010-11-02 11:47:29 +0100504 if ((token & 0x40) == 0x40)
505 dev->status |= USB_ST_STALLED;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100506 break;
507 }
508 dev->act_len = length - ((token >> 16) & 0x7fff);
509 } else {
510 dev->act_len = 0;
michaeldb632992008-12-10 17:55:19 +0100511 debug("dev=%u, usbsts=%#x, p[1]=%#x, p[2]=%#x\n",
michael51ab1422008-12-11 13:43:55 +0100512 dev->devnum, ehci_readl(&hcor->or_usbsts),
513 ehci_readl(&hcor->or_portsc[0]),
514 ehci_readl(&hcor->or_portsc[1]));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100515 }
516
517 return (dev->status != USB_ST_NOT_PROC) ? 0 : -1;
518
519fail:
michaeldb632992008-12-10 17:55:19 +0100520 td = (void *)hc32_to_cpu(qh->qh_overlay.qt_next);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100521 while (td != (void *)QT_NEXT_TERMINATE) {
522 qh->qh_overlay.qt_next = td->qt_next;
523 ehci_free(td, sizeof(*td));
michaeldb632992008-12-10 17:55:19 +0100524 td = (void *)hc32_to_cpu(qh->qh_overlay.qt_next);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100525 }
526 ehci_free(qh, sizeof(*qh));
527 return -1;
528}
529
530static inline int min3(int a, int b, int c)
531{
532
533 if (b < a)
534 a = b;
535 if (c < a)
536 a = c;
537 return a;
538}
539
michaeldb632992008-12-10 17:55:19 +0100540int
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100541ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
542 int length, struct devrequest *req)
543{
544 uint8_t tmpbuf[4];
545 u16 typeReq;
michaeldb632992008-12-10 17:55:19 +0100546 void *srcptr = NULL;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100547 int len, srclen;
548 uint32_t reg;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100549 uint32_t *status_reg;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100550
Sergei Shtylyove06a0552010-02-27 21:32:17 +0300551 if (le16_to_cpu(req->index) > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100552 printf("The request port(%d) is not configured\n",
553 le16_to_cpu(req->index) - 1);
554 return -1;
555 }
556 status_reg = (uint32_t *)&hcor->or_portsc[
557 le16_to_cpu(req->index) - 1];
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100558 srclen = 0;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100559
michaeldb632992008-12-10 17:55:19 +0100560 debug("req=%u (%#x), type=%u (%#x), value=%u, index=%u\n",
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100561 req->request, req->request,
562 req->requesttype, req->requesttype,
563 le16_to_cpu(req->value), le16_to_cpu(req->index));
564
Prafulla Wadaskar44259bb2009-07-17 19:56:30 +0530565 typeReq = req->request | req->requesttype << 8;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100566
Prafulla Wadaskar44259bb2009-07-17 19:56:30 +0530567 switch (typeReq) {
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100568 case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
569 switch (le16_to_cpu(req->value) >> 8) {
570 case USB_DT_DEVICE:
michaeldb632992008-12-10 17:55:19 +0100571 debug("USB_DT_DEVICE request\n");
572 srcptr = &descriptor.device;
573 srclen = 0x12;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100574 break;
575 case USB_DT_CONFIG:
michaeldb632992008-12-10 17:55:19 +0100576 debug("USB_DT_CONFIG config\n");
577 srcptr = &descriptor.config;
578 srclen = 0x19;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100579 break;
580 case USB_DT_STRING:
michaeldb632992008-12-10 17:55:19 +0100581 debug("USB_DT_STRING config\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100582 switch (le16_to_cpu(req->value) & 0xff) {
583 case 0: /* Language */
584 srcptr = "\4\3\1\0";
585 srclen = 4;
586 break;
587 case 1: /* Vendor */
588 srcptr = "\16\3u\0-\0b\0o\0o\0t\0";
589 srclen = 14;
590 break;
591 case 2: /* Product */
592 srcptr = "\52\3E\0H\0C\0I\0 "
593 "\0H\0o\0s\0t\0 "
594 "\0C\0o\0n\0t\0r\0o\0l\0l\0e\0r\0";
595 srclen = 42;
596 break;
597 default:
michaeldb632992008-12-10 17:55:19 +0100598 debug("unknown value DT_STRING %x\n",
599 le16_to_cpu(req->value));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100600 goto unknown;
601 }
602 break;
603 default:
michaeldb632992008-12-10 17:55:19 +0100604 debug("unknown value %x\n", le16_to_cpu(req->value));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100605 goto unknown;
606 }
607 break;
608 case USB_REQ_GET_DESCRIPTOR | ((USB_DIR_IN | USB_RT_HUB) << 8):
609 switch (le16_to_cpu(req->value) >> 8) {
610 case USB_DT_HUB:
michaeldb632992008-12-10 17:55:19 +0100611 debug("USB_DT_HUB config\n");
612 srcptr = &descriptor.hub;
613 srclen = 0x8;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100614 break;
615 default:
michaeldb632992008-12-10 17:55:19 +0100616 debug("unknown value %x\n", le16_to_cpu(req->value));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100617 goto unknown;
618 }
619 break;
620 case USB_REQ_SET_ADDRESS | (USB_RECIP_DEVICE << 8):
michaeldb632992008-12-10 17:55:19 +0100621 debug("USB_REQ_SET_ADDRESS\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100622 rootdev = le16_to_cpu(req->value);
623 break;
624 case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
michaeldb632992008-12-10 17:55:19 +0100625 debug("USB_REQ_SET_CONFIGURATION\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100626 /* Nothing to do */
627 break;
628 case USB_REQ_GET_STATUS | ((USB_DIR_IN | USB_RT_HUB) << 8):
629 tmpbuf[0] = 1; /* USB_STATUS_SELFPOWERED */
630 tmpbuf[1] = 0;
631 srcptr = tmpbuf;
632 srclen = 2;
633 break;
michaeldb632992008-12-10 17:55:19 +0100634 case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8):
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100635 memset(tmpbuf, 0, 4);
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100636 reg = ehci_readl(status_reg);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100637 if (reg & EHCI_PS_CS)
638 tmpbuf[0] |= USB_PORT_STAT_CONNECTION;
639 if (reg & EHCI_PS_PE)
640 tmpbuf[0] |= USB_PORT_STAT_ENABLE;
641 if (reg & EHCI_PS_SUSP)
642 tmpbuf[0] |= USB_PORT_STAT_SUSPEND;
643 if (reg & EHCI_PS_OCA)
644 tmpbuf[0] |= USB_PORT_STAT_OVERCURRENT;
Sergei Shtylyovc8b2d1d2010-02-27 21:33:21 +0300645 if (reg & EHCI_PS_PR)
646 tmpbuf[0] |= USB_PORT_STAT_RESET;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100647 if (reg & EHCI_PS_PP)
648 tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
Stefan Roese597eb282009-01-21 17:12:01 +0100649
650 if (ehci_is_TDI()) {
651 switch ((reg >> 26) & 3) {
652 case 0:
653 break;
654 case 1:
655 tmpbuf[1] |= USB_PORT_STAT_LOW_SPEED >> 8;
656 break;
657 case 2:
658 default:
659 tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
660 break;
661 }
662 } else {
663 tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
664 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100665
666 if (reg & EHCI_PS_CSC)
667 tmpbuf[2] |= USB_PORT_STAT_C_CONNECTION;
668 if (reg & EHCI_PS_PEC)
669 tmpbuf[2] |= USB_PORT_STAT_C_ENABLE;
670 if (reg & EHCI_PS_OCC)
671 tmpbuf[2] |= USB_PORT_STAT_C_OVERCURRENT;
672 if (portreset & (1 << le16_to_cpu(req->index)))
673 tmpbuf[2] |= USB_PORT_STAT_C_RESET;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100674
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100675 srcptr = tmpbuf;
676 srclen = 4;
677 break;
michaeldb632992008-12-10 17:55:19 +0100678 case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100679 reg = ehci_readl(status_reg);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100680 reg &= ~EHCI_PS_CLEAR;
681 switch (le16_to_cpu(req->value)) {
michael51ab1422008-12-11 13:43:55 +0100682 case USB_PORT_FEAT_ENABLE:
683 reg |= EHCI_PS_PE;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100684 ehci_writel(status_reg, reg);
michael51ab1422008-12-11 13:43:55 +0100685 break;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100686 case USB_PORT_FEAT_POWER:
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100687 if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams))) {
688 reg |= EHCI_PS_PP;
689 ehci_writel(status_reg, reg);
690 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100691 break;
692 case USB_PORT_FEAT_RESET:
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100693 if ((reg & (EHCI_PS_PE | EHCI_PS_CS)) == EHCI_PS_CS &&
694 !ehci_is_TDI() &&
695 EHCI_PS_IS_LOWSPEED(reg)) {
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100696 /* Low speed device, give up ownership. */
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100697 debug("port %d low speed --> companion\n",
698 req->index - 1);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100699 reg |= EHCI_PS_PO;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100700 ehci_writel(status_reg, reg);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100701 break;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100702 } else {
Sergei Shtylyovc8b2d1d2010-02-27 21:33:21 +0300703 int ret;
704
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100705 reg |= EHCI_PS_PR;
706 reg &= ~EHCI_PS_PE;
707 ehci_writel(status_reg, reg);
708 /*
709 * caller must wait, then call GetPortStatus
710 * usb 2.0 specification say 50 ms resets on
711 * root
712 */
713 wait_ms(50);
Chris Zhangb4161912010-01-06 13:34:04 -0800714 /* terminate the reset */
715 ehci_writel(status_reg, reg & ~EHCI_PS_PR);
Sergei Shtylyovc8b2d1d2010-02-27 21:33:21 +0300716 /*
717 * A host controller must terminate the reset
718 * and stabilize the state of the port within
719 * 2 milliseconds
720 */
721 ret = handshake(status_reg, EHCI_PS_PR, 0,
722 2 * 1000);
723 if (!ret)
724 portreset |=
725 1 << le16_to_cpu(req->index);
726 else
727 printf("port(%d) reset error\n",
728 le16_to_cpu(req->index) - 1);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100729 }
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100730 break;
731 default:
michaeldb632992008-12-10 17:55:19 +0100732 debug("unknown feature %x\n", le16_to_cpu(req->value));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100733 goto unknown;
734 }
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100735 /* unblock posted writes */
Kumar Gala50243e32009-07-07 15:48:58 -0500736 (void) ehci_readl(&hcor->or_usbcmd);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100737 break;
michaeldb632992008-12-10 17:55:19 +0100738 case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100739 reg = ehci_readl(status_reg);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100740 switch (le16_to_cpu(req->value)) {
741 case USB_PORT_FEAT_ENABLE:
742 reg &= ~EHCI_PS_PE;
743 break;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100744 case USB_PORT_FEAT_C_ENABLE:
745 reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
746 break;
747 case USB_PORT_FEAT_POWER:
748 if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams)))
749 reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100750 case USB_PORT_FEAT_C_CONNECTION:
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100751 reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100752 break;
michael51ab1422008-12-11 13:43:55 +0100753 case USB_PORT_FEAT_OVER_CURRENT:
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100754 reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
michael51ab1422008-12-11 13:43:55 +0100755 break;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100756 case USB_PORT_FEAT_C_RESET:
757 portreset &= ~(1 << le16_to_cpu(req->index));
758 break;
759 default:
michaeldb632992008-12-10 17:55:19 +0100760 debug("unknown feature %x\n", le16_to_cpu(req->value));
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100761 goto unknown;
762 }
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100763 ehci_writel(status_reg, reg);
764 /* unblock posted write */
Kumar Gala50243e32009-07-07 15:48:58 -0500765 (void) ehci_readl(&hcor->or_usbcmd);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100766 break;
767 default:
michaeldb632992008-12-10 17:55:19 +0100768 debug("Unknown request\n");
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100769 goto unknown;
770 }
771
michaeldb632992008-12-10 17:55:19 +0100772 wait_ms(1);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100773 len = min3(srclen, le16_to_cpu(req->length), length);
774 if (srcptr != NULL && len > 0)
775 memcpy(buffer, srcptr, len);
michaeldb632992008-12-10 17:55:19 +0100776 else
777 debug("Len is 0\n");
778
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100779 dev->act_len = len;
780 dev->status = 0;
781 return 0;
782
783unknown:
michaeldb632992008-12-10 17:55:19 +0100784 debug("requesttype=%x, request=%x, value=%x, index=%x, length=%x\n",
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100785 req->requesttype, req->request, le16_to_cpu(req->value),
786 le16_to_cpu(req->index), le16_to_cpu(req->length));
787
788 dev->act_len = 0;
789 dev->status = USB_ST_STALLED;
790 return -1;
791}
792
793int usb_lowlevel_stop(void)
794{
795 return ehci_hcd_stop();
796}
797
798int usb_lowlevel_init(void)
799{
800 uint32_t reg;
michaeldb632992008-12-10 17:55:19 +0100801 uint32_t cmd;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100802
803 if (ehci_hcd_init() != 0)
804 return -1;
805
michael51ab1422008-12-11 13:43:55 +0100806 /* EHCI spec section 4.1 */
807 if (ehci_reset() != 0)
808 return -1;
809
Stefan Roese832e6142009-01-21 17:12:10 +0100810#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
811 if (ehci_hcd_init() != 0)
812 return -1;
813#endif
814
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100815 /* Set head of reclaim list */
816 memset(&qh_list, 0, sizeof(qh_list));
michaeldb632992008-12-10 17:55:19 +0100817 qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
818 qh_list.qh_endpt1 = cpu_to_hc32((1 << 15) | (USB_SPEED_HIGH << 12));
819 qh_list.qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
820 qh_list.qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
821 qh_list.qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
822 qh_list.qh_overlay.qt_token = cpu_to_hc32(0x40);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100823
824 /* Set async. queue head pointer. */
michael51ab1422008-12-11 13:43:55 +0100825 ehci_writel(&hcor->or_asynclistaddr, (uint32_t)&qh_list);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100826
michael51ab1422008-12-11 13:43:55 +0100827 reg = ehci_readl(&hccr->cr_hcsparams);
828 descriptor.hub.bNbrPorts = HCS_N_PORTS(reg);
829 printf("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts);
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100830 /* Port Indicators */
831 if (HCS_INDICATOR(reg))
michaeldb632992008-12-10 17:55:19 +0100832 descriptor.hub.wHubCharacteristics |= 0x80;
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100833 /* Port Power Control */
834 if (HCS_PPC(reg))
michaeldb632992008-12-10 17:55:19 +0100835 descriptor.hub.wHubCharacteristics |= 0x01;
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100836
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100837 /* Start the host controller. */
michael51ab1422008-12-11 13:43:55 +0100838 cmd = ehci_readl(&hcor->or_usbcmd);
Wolfgang Denkf15c6512009-02-12 00:08:39 +0100839 /*
840 * Philips, Intel, and maybe others need CMD_RUN before the
841 * root hub will detect new devices (why?); NEC doesn't
842 */
michael51ab1422008-12-11 13:43:55 +0100843 cmd &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
844 cmd |= CMD_RUN;
845 ehci_writel(&hcor->or_usbcmd, cmd);
846
847 /* take control over the ports */
848 cmd = ehci_readl(&hcor->or_configflag);
849 cmd |= FLAG_CF;
850 ehci_writel(&hcor->or_configflag, cmd);
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100851 /* unblock posted write */
michael51ab1422008-12-11 13:43:55 +0100852 cmd = ehci_readl(&hcor->or_usbcmd);
853 wait_ms(5);
Remy Böhmerc0d722f2008-12-13 22:51:58 +0100854 reg = HC_VERSION(ehci_readl(&hccr->cr_capbase));
855 printf("USB EHCI %x.%02x\n", reg >> 8, reg & 0xff);
Michael Trimarchiaaf098c2008-11-28 13:20:46 +0100856
857 rootdev = 0;
858
859 return 0;
860}
861
862int
863submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
864 int length)
865{
866
867 if (usb_pipetype(pipe) != PIPE_BULK) {
868 debug("non-bulk pipe (type=%lu)", usb_pipetype(pipe));
869 return -1;
870 }
871 return ehci_submit_async(dev, pipe, buffer, length, NULL);
872}
873
874int
875submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
876 int length, struct devrequest *setup)
877{
878
879 if (usb_pipetype(pipe) != PIPE_CONTROL) {
880 debug("non-control pipe (type=%lu)", usb_pipetype(pipe));
881 return -1;
882 }
883
884 if (usb_pipedevice(pipe) == rootdev) {
885 if (rootdev == 0)
886 dev->speed = USB_SPEED_HIGH;
887 return ehci_submit_root(dev, pipe, buffer, length, setup);
888 }
889 return ehci_submit_async(dev, pipe, buffer, length, setup);
890}
891
892int
893submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
894 int length, int interval)
895{
896
897 debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
898 dev, pipe, buffer, length, interval);
899 return -1;
900}