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Merge git://git.denx.de/u-boot-marvell
[people/ms/u-boot.git] / drivers / usb / host / r8a66597-hcd.c
CommitLineData
fd0f2f37
YS		 1/*
2 * R8A66597 HCD (Host Controller Driver) for u-boot
3 *
4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
5 *
e62b5266 6 * SPDX-License-Identifier: GPL-2.0
fd0f2f37
YS		 7 */
8
9#include <common.h>
10#include <usb.h>
11#include <asm/io.h>
12
13#include "r8a66597.h"
14
fd0f2f37
YS		 15#ifdef R8A66597_DEBUG
16#define R8A66597_DPRINT printf
17#else
18#define R8A66597_DPRINT(...)
19#endif
20
21static const char hcd_name[] = "r8a66597_hcd";
fd0f2f37
YS		 22static struct r8a66597 gr8a66597;
23
60ece6d8 24static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
fd0f2f37 25{
60ece6d8
YS		 26 int i;
27
28 *hub_devnum = 0;
29 *hubport = 0;
30
31 /* check a device connected to root_hub */
32 if ((dev->parent && dev->parent->devnum == 1) ||
33 (dev->devnum == 1))
34 return;
35
36 for (i = 0; i < USB_MAXCHILDREN; i++) {
37 if (dev->parent->children[i] == dev) {
38 *hub_devnum = (u8)dev->parent->devnum;
39 *hubport = i;
40 return;
41 }
42 }
43
44 printf("get_hub_data error.\n");
45}
46
47static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
48 struct usb_device *dev, int port)
49{
50 u16 val, usbspd, upphub, hubport;
fd0f2f37
YS		 51 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
52
60ece6d8
YS		 53 get_hub_data(dev, &upphub, &hubport);
54 usbspd = r8a66597->speed;
fd0f2f37
YS		 55 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
56 r8a66597_write(r8a66597, val, devadd_reg);
57}
58
59static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
60{
61 u16 tmp;
62 int i = 0;
63
64#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
65 do {
66 r8a66597_write(r8a66597, SCKE, SYSCFG0);
67 tmp = r8a66597_read(r8a66597, SYSCFG0);
68 if (i++ > 1000) {
69 printf("register access fail.\n");
70 return -1;
71 }
72 } while ((tmp & SCKE) != SCKE);
73 r8a66597_write(r8a66597, 0x04, 0x02);
74#else
75 do {
76 r8a66597_write(r8a66597, USBE, SYSCFG0);
77 tmp = r8a66597_read(r8a66597, SYSCFG0);
78 if (i++ > 1000) {
79 printf("register access fail.\n");
80 return -1;
81 }
82 } while ((tmp & USBE) != USBE);
83 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
9d034208 84 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
fd0f2f37
YS		 85
86 i = 0;
87 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
88 do {
89 udelay(1000);
90 tmp = r8a66597_read(r8a66597, SYSCFG0);
91 if (i++ > 500) {
92 printf("register access fail.\n");
93 return -1;
94 }
95 } while ((tmp & SCKE) != SCKE);
96#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
97
98 return 0;
99}
100
101static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
102{
103 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
104 udelay(1);
105#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
106 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
107 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
108 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
109#endif
110}
111
112static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
113{
114 u16 val;
115
116 val = port ? DRPD : DCFM | DRPD;
117 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
118 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
119
120 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
121}
122
123static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
124{
125 u16 val, tmp;
126
127 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
128 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
129
130 r8a66597_port_power(r8a66597, port, 0);
131
132 do {
133 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
134 udelay(640);
135 } while (tmp == EDGESTS);
136
137 val = port ? DRPD : DCFM | DRPD;
138 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
139 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
140}
141
142static int enable_controller(struct r8a66597 *r8a66597)
143{
144 int ret, port;
145
146 ret = r8a66597_clock_enable(r8a66597);
147 if (ret < 0)
148 return ret;
149
9d034208 150 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
fd0f2f37
YS		 151 r8a66597_bset(r8a66597, USBE, SYSCFG0);
152
153 r8a66597_bset(r8a66597, INTL, SOFCFG);
154 r8a66597_write(r8a66597, 0, INTENB0);
8ecdce72 155 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
156 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
fd0f2f37 157
9d034208
NI		 158 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
159 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
160 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
fd0f2f37
YS		 161 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
162
163 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
164 r8a66597_enable_port(r8a66597, port);
165
166 return 0;
167}
168
169static void disable_controller(struct r8a66597 *r8a66597)
170{
171 int i;
172
173 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
174 return;
175
176 r8a66597_write(r8a66597, 0, INTENB0);
177 r8a66597_write(r8a66597, 0, INTSTS0);
178
179 r8a66597_write(r8a66597, 0, D0FIFOSEL);
180 r8a66597_write(r8a66597, 0, D1FIFOSEL);
181 r8a66597_write(r8a66597, 0, DCPCFG);
182 r8a66597_write(r8a66597, 0x40, DCPMAXP);
183 r8a66597_write(r8a66597, 0, DCPCTR);
184
185 for (i = 0; i <= 10; i++)
186 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
187 for (i = 1; i <= 5; i++) {
188 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
189 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
190 }
191 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
192 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
193 r8a66597_write(r8a66597, i, PIPESEL);
194 r8a66597_write(r8a66597, 0, PIPECFG);
195 r8a66597_write(r8a66597, 0, PIPEBUF);
196 r8a66597_write(r8a66597, 0, PIPEMAXP);
197 r8a66597_write(r8a66597, 0, PIPEPERI);
198 }
199
200 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
201 r8a66597_disable_port(r8a66597, i);
202
203 r8a66597_clock_disable(r8a66597);
204}
205
206static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
207 u16 mask, u16 loop)
208{
209 u16 tmp;
210 int i = 0;
211
212 do {
213 tmp = r8a66597_read(r8a66597, reg);
214 if (i++ > 1000000) {
215 printf("register%lx, loop %x is timeout\n", reg, loop);
216 break;
217 }
218 } while ((tmp & mask) != loop);
219}
220
221static void pipe_buffer_setting(struct r8a66597 *r8a66597,
222 struct usb_device *dev, unsigned long pipe)
223{
224 u16 val = 0;
225 u16 pipenum, bufnum, maxpacket;
226
227 if (usb_pipein(pipe)) {
228 pipenum = BULK_IN_PIPENUM;
229 bufnum = BULK_IN_BUFNUM;
230 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
231 } else {
232 pipenum = BULK_OUT_PIPENUM;
233 bufnum = BULK_OUT_BUFNUM;
234 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
235 }
236
237 if (r8a66597->pipe_config & (1 << pipenum))
238 return;
239 r8a66597->pipe_config |= (1 << pipenum);
240
241 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
242 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
243 r8a66597_write(r8a66597, pipenum, PIPESEL);
244
245 /* FIXME: This driver support bulk transfer only. */
246 if (!usb_pipein(pipe))
247 val |= R8A66597_DIR;
248 else
249 val |= R8A66597_SHTNAK;
250 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
251 r8a66597_write(r8a66597, val, PIPECFG);
252
253 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
254 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
255 maxpacket, PIPEMAXP);
256 r8a66597_write(r8a66597, 0, PIPEPERI);
257 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
258}
259
260static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
261 struct devrequest *setup)
262{
263 int i;
264 unsigned short *p = (unsigned short *)setup;
265 unsigned long setup_addr = USBREQ;
266 u16 intsts1;
267 int timeout = 3000;
268 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
269
270 r8a66597_write(r8a66597, make_devsel(devsel) |
271 (8 << dev->maxpacketsize), DCPMAXP);
272 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
273
274 for (i = 0; i < 4; i++) {
275 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
276 setup_addr += 2;
277 }
278 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
279 r8a66597_write(r8a66597, SUREQ, DCPCTR);
280
281 while (1) {
282 intsts1 = r8a66597_read(r8a66597, INTSTS1);
283 if (intsts1 & SACK)
284 break;
285 if (intsts1 & SIGN) {
286 printf("setup packet send error\n");
287 return -1;
288 }
289 if (timeout-- < 0) {
290 printf("setup packet timeout\n");
291 return -1;
292 }
293 udelay(500);
294 }
295
296 return 0;
297}
298
299static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
300 unsigned long pipe, void *buffer, int transfer_len)
301{
302 u16 tmp, bufsize;
303 u16 *buf;
304 size_t size;
305
306 R8A66597_DPRINT("%s\n", __func__);
307
308 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
309 MBW | CURPIPE, CFIFOSEL);
310 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
311 tmp = r8a66597_read(r8a66597, CFIFOCTR);
312 if ((tmp & FRDY) == 0) {
313 printf("%s FRDY is not set (%x)\n", __func__, tmp);
314 return -1;
315 }
316
317 /* prepare parameters */
318 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
319 buf = (u16 *)(buffer + dev->act_len);
320 size = min((int)bufsize, transfer_len - dev->act_len);
321
322 /* write fifo */
323 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
324 if (buffer) {
325 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
326 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
327 }
328
329 /* update parameters */
330 dev->act_len += size;
331
332 r8a66597_mdfy(r8a66597, PID_BUF, PID,
333 get_pipectr_addr(BULK_OUT_PIPENUM));
334
335 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
336 if (ctrlc())
337 return -1;
338 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
339
340 if (dev->act_len >= transfer_len)
341 r8a66597_mdfy(r8a66597, PID_NAK, PID,
342 get_pipectr_addr(BULK_OUT_PIPENUM));
343
344 return 0;
345}
346
347static int receive_bulk_packet(struct r8a66597 *r8a66597,
348 struct usb_device *dev,
349 unsigned long pipe,
350 void *buffer, int transfer_len)
351{
352 u16 tmp;
353 u16 *buf;
354 const u16 pipenum = BULK_IN_PIPENUM;
355 int rcv_len;
356 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
357
358 R8A66597_DPRINT("%s\n", __func__);
359
360 /* prepare */
361 if (dev->act_len == 0) {
362 r8a66597_mdfy(r8a66597, PID_NAK, PID,
363 get_pipectr_addr(pipenum));
364 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
365
366 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
367 r8a66597_write(r8a66597,
368 (transfer_len + maxpacket - 1) / maxpacket,
369 get_pipetrn_addr(pipenum));
370 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
371
372 r8a66597_mdfy(r8a66597, PID_BUF, PID,
373 get_pipectr_addr(pipenum));
374 }
375
376 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
377 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
378
379 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
380 if (ctrlc())
381 return -1;
382 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
383
384 tmp = r8a66597_read(r8a66597, CFIFOCTR);
385 if ((tmp & FRDY) == 0) {
386 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
387 return -1;
388 }
389
390 buf = (u16 *)(buffer + dev->act_len);
391 rcv_len = tmp & DTLN;
392 dev->act_len += rcv_len;
393
394 if (buffer) {
395 if (rcv_len == 0)
396 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
397 else
398 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
399 }
400
401 return 0;
402}
403
404static int receive_control_packet(struct r8a66597 *r8a66597,
405 struct usb_device *dev,
406 void *buffer, int transfer_len)
407{
408 u16 tmp;
409 int rcv_len;
410
411 /* FIXME: limit transfer size : 64byte or less */
412
413 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
414 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
415 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
416 r8a66597_bset(r8a66597, SQSET, DCPCTR);
417 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
418 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
419
420 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
421 if (ctrlc())
422 return -1;
423 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
424
425 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
426 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
427
428 tmp = r8a66597_read(r8a66597, CFIFOCTR);
429 if ((tmp & FRDY) == 0) {
430 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
431 return -1;
432 }
433
434 rcv_len = tmp & DTLN;
435 dev->act_len += rcv_len;
436
437 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
438
439 if (buffer) {
440 if (rcv_len == 0)
441 r8a66597_write(r8a66597, BCLR, DCPCTR);
442 else
443 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
444 }
445
446 return 0;
447}
448
449static int send_status_packet(struct r8a66597 *r8a66597,
450 unsigned long pipe)
451{
452 r8a66597_bset(r8a66597, SQSET, DCPCTR);
453 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
454
455 if (usb_pipein(pipe)) {
456 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
457 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
458 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
459 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
460 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
461 } else {
462 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
463 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
464 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
465 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
466 }
467 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
468
469 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
470 if (ctrlc())
471 return -1;
472
473 return 0;
474}
475
476static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
477{
478 int count = R8A66597_MAX_SAMPLING;
479 unsigned short syssts, old_syssts;
480
481 R8A66597_DPRINT("%s\n", __func__);
482
483 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
484 while (count > 0) {
5b84dd67 485 mdelay(R8A66597_RH_POLL_TIME);
fd0f2f37
YS		 486
487 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
488 if (syssts == old_syssts) {
489 count--;
490 } else {
491 count = R8A66597_MAX_SAMPLING;
492 old_syssts = syssts;
493 }
494 }
495}
496
497static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
498{
5b84dd67 499 mdelay(10);
fd0f2f37 500 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
5b84dd67 501 mdelay(50);
fd0f2f37 502 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
5b84dd67 503 mdelay(50);
fd0f2f37
YS		 504}
505
506static int check_usb_device_connecting(struct r8a66597 *r8a66597)
507{
508 int timeout = 10000; /* 100usec * 10000 = 1sec */
509 int i;
510
511 for (i = 0; i < 5; i++) {
512 /* check a usb cable connect */
513 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
514 if (timeout-- < 0) {
515 printf("%s timeout.\n", __func__);
516 return -1;
517 }
518 udelay(100);
519 }
520
521 /* check a data line */
522 r8a66597_check_syssts(r8a66597, 0);
523
524 r8a66597_bus_reset(r8a66597, 0);
525 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
526
527 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
528 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
529 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
530 USB_PORT_STAT_ENABLE;
531 return 0; /* success */
532 }
533
534 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
535 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
536 }
537
538 return -1; /* fail */
539}
540
fd0f2f37
YS		 541/*-------------------------------------------------------------------------*
542 * Virtual Root Hub
543 *-------------------------------------------------------------------------*/
544
eb838e7d 545#include <usbroothubdes.h>
fd0f2f37
YS		 546
547static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
548 void *buffer, int transfer_len, struct devrequest *cmd)
549{
550 struct r8a66597 *r8a66597 = &gr8a66597;
551 int leni = transfer_len;
552 int len = 0;
553 int stat = 0;
554 __u16 bmRType_bReq;
555 __u16 wValue;
fd0f2f37
YS		 556 __u16 wLength;
557 unsigned char data[32];
558
559 R8A66597_DPRINT("%s\n", __func__);
560
9dbc3667 561 if (usb_pipeint(pipe)) {
fd0f2f37
YS		 562 printf("Root-Hub submit IRQ: NOT implemented");
563 return 0;
564 }
565
566 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
567 wValue = cpu_to_le16 (cmd->value);
fd0f2f37
YS		 568 wLength = cpu_to_le16 (cmd->length);
569
570 switch (bmRType_bReq) {
571 case RH_GET_STATUS:
572 *(__u16 *)buffer = cpu_to_le16(1);
573 len = 2;
574 break;
575 case RH_GET_STATUS | RH_INTERFACE:
576 *(__u16 *)buffer = cpu_to_le16(0);
577 len = 2;
578 break;
579 case RH_GET_STATUS | RH_ENDPOINT:
580 *(__u16 *)buffer = cpu_to_le16(0);
581 len = 2;
582 break;
583 case RH_GET_STATUS | RH_CLASS:
584 *(__u32 *)buffer = cpu_to_le32(0);
585 len = 4;
586 break;
587 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
588 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
589 (r8a66597->port_change << 16));
590 len = 4;
591 break;
592 case RH_CLEAR_FEATURE | RH_ENDPOINT:
593 case RH_CLEAR_FEATURE | RH_CLASS:
594 break;
595
596 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
597 switch (wValue) {
598 case RH_C_PORT_CONNECTION:
599 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
600 break;
601 }
602 break;
603
604 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
605 switch (wValue) {
606 case (RH_PORT_SUSPEND):
607 break;
608 case (RH_PORT_RESET):
609 r8a66597_bus_reset(r8a66597, 0);
610 break;
611 case (RH_PORT_POWER):
612 break;
613 case (RH_PORT_ENABLE):
614 break;
615 }
616 break;
617 case RH_SET_ADDRESS:
618 gr8a66597.rh_devnum = wValue;
619 break;
620 case RH_GET_DESCRIPTOR:
621 switch ((wValue & 0xff00) >> 8) {
622 case (0x01): /* device descriptor */
623 len = min_t(unsigned int,
624 leni,
625 min_t(unsigned int,
626 sizeof(root_hub_dev_des),
627 wLength));
628 memcpy(buffer, root_hub_dev_des, len);
629 break;
630 case (0x02): /* configuration descriptor */
631 len = min_t(unsigned int,
632 leni,
633 min_t(unsigned int,
634 sizeof(root_hub_config_des),
635 wLength));
636 memcpy(buffer, root_hub_config_des, len);
637 break;
638 case (0x03): /* string descriptors */
639 if (wValue == 0x0300) {
640 len = min_t(unsigned int,
641 leni,
642 min_t(unsigned int,
643 sizeof(root_hub_str_index0),
644 wLength));
645 memcpy(buffer, root_hub_str_index0, len);
646 }
647 if (wValue == 0x0301) {
648 len = min_t(unsigned int,
649 leni,
650 min_t(unsigned int,
651 sizeof(root_hub_str_index1),
652 wLength));
653 memcpy(buffer, root_hub_str_index1, len);
654 }
655 break;
656 default:
657 stat = USB_ST_STALLED;
658 }
659 break;
660
661 case RH_GET_DESCRIPTOR | RH_CLASS:
662 {
663 __u32 temp = 0x00000001;
664
665 data[0] = 9; /* min length; */
666 data[1] = 0x29;
667 data[2] = temp & RH_A_NDP;
668 data[3] = 0;
669 if (temp & RH_A_PSM)
670 data[3] |= 0x1;
671 if (temp & RH_A_NOCP)
672 data[3] |= 0x10;
673 else if (temp & RH_A_OCPM)
674 data[3] |= 0x8;
675
676 /* corresponds to data[4-7] */
677 data[5] = (temp & RH_A_POTPGT) >> 24;
678 data[7] = temp & RH_B_DR;
679 if (data[2] < 7) {
680 data[8] = 0xff;
681 } else {
682 data[0] += 2;
683 data[8] = (temp & RH_B_DR) >> 8;
684 data[10] = data[9] = 0xff;
685 }
686
687 len = min_t(unsigned int, leni,
688 min_t(unsigned int, data[0], wLength));
689 memcpy(buffer, data, len);
690 break;
691 }
692
693 case RH_GET_CONFIGURATION:
694 *(__u8 *) buffer = 0x01;
695 len = 1;
696 break;
697 case RH_SET_CONFIGURATION:
698 break;
699 default:
e58c41e2 700 R8A66597_DPRINT("unsupported root hub command");
fd0f2f37
YS		 701 stat = USB_ST_STALLED;
702 }
703
5b84dd67 704 mdelay(1);
fd0f2f37
YS		 705
706 len = min_t(int, len, leni);
707
708 dev->act_len = len;
709 dev->status = stat;
710
711 return stat;
712}
713
714int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
715 int transfer_len)
716{
717 struct r8a66597 *r8a66597 = &gr8a66597;
718 int ret = 0;
719
720 R8A66597_DPRINT("%s\n", __func__);
721 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
722 pipe, buffer, transfer_len, dev->devnum);
723
60ece6d8 724 set_devadd(r8a66597, dev->devnum, dev, 0);
fd0f2f37
YS		 725
726 pipe_buffer_setting(r8a66597, dev, pipe);
727
728 dev->act_len = 0;
729 while (dev->act_len < transfer_len && ret == 0) {
730 if (ctrlc())
731 return -1;
732
733 if (usb_pipein(pipe))
734 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
735 transfer_len);
736 else
737 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
738 transfer_len);
739 }
740
741 if (ret == 0)
742 dev->status = 0;
743
744 return ret;
745}
746
747int submit_control_msg(struct usb_device *dev, unsigned long pipe,
748 void *buffer, int transfer_len, struct devrequest *setup)
749{
750 struct r8a66597 *r8a66597 = &gr8a66597;
751 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
752 0 : dev->devnum;
753
754 R8A66597_DPRINT("%s\n", __func__);
755 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
756 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
757 setup);
758
759 R8A66597_DPRINT("%s: setup\n", __func__);
60ece6d8 760 set_devadd(r8a66597, r8a66597_address, dev, 0);
fd0f2f37
YS		 761
762 if (send_setup_packet(r8a66597, dev, setup) < 0) {
763 printf("setup packet send error\n");
764 return -1;
765 }
766
60ece6d8 767 dev->act_len = 0;
fd0f2f37
YS		 768 if (usb_pipein(pipe))
769 if (receive_control_packet(r8a66597, dev, buffer,
770 transfer_len) < 0)
771 return -1;
772
773 if (send_status_packet(r8a66597, pipe) < 0)
774 return -1;
775
776 dev->status = 0;
777
778 return 0;
779}
780
781int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
782 int transfer_len, int interval)
783{
784 /* no implement */
785 R8A66597_DPRINT("%s\n", __func__);
786 return 0;
787}
788
06d513ec 789int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
fd0f2f37
YS		 790{
791 struct r8a66597 *r8a66597 = &gr8a66597;
792
793 R8A66597_DPRINT("%s\n", __func__);
794
198c5f99 795 memset(r8a66597, 0, sizeof(*r8a66597));
fd0f2f37
YS		 796 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
797
798 disable_controller(r8a66597);
5b84dd67 799 mdelay(100);
fd0f2f37
YS		 800
801 enable_controller(r8a66597);
802 r8a66597_port_power(r8a66597, 0 , 1);
803
804 /* check usb device */
805 check_usb_device_connecting(r8a66597);
806
5b84dd67 807 mdelay(50);
fd0f2f37
YS		 808
809 return 0;
810}
811
c7e3b2b5 812int usb_lowlevel_stop(int index)
fd0f2f37
YS		 813{
814 disable_controller(&gr8a66597);
815
816 return 0;
817}
"Das U-Boot" Source Tree