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Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +00001/*
2 * This file is part of the flashrom project.
3 *
4 * Copyright (C) 2010 Carl-Daniel Hailfinger
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
Mathias Krausedb7afc52010-11-09 23:30:43 +000020#include <stdio.h>
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000021#include <string.h>
Stefan Taunere34e3e82013-01-01 00:06:51 +000022#include <limits.h>
Nathan Laredo21541a62012-12-24 22:07:36 +000023#include <errno.h>
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000024#include <usb.h>
25#include "flash.h"
Sean Nelson14ba6682010-02-26 05:48:29 +000026#include "chipdrivers.h"
Carl-Daniel Hailfinger5b997c32010-07-27 22:41:39 +000027#include "programmer.h"
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000028#include "spi.h"
29
Stefan Reinauer915b8402011-01-28 09:00:15 +000030#define FIRMWARE_VERSION(x,y,z) ((x << 16) | (y << 8) | z)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000031#define DEFAULT_TIMEOUT 3000
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +000032static usb_dev_handle *dediprog_handle;
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +000033static int dediprog_firmwareversion;
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +000034static int dediprog_endpoint;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000035
Nico Hubera4b14f72012-06-19 12:06:53 +000036#define DEDI_SPI_CMD_PAGEWRITE 0x1
37#define DEDI_SPI_CMD_AAIWRITE 0x4
38
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +000039#if 0
40/* Might be useful for other pieces of code as well. */
41static void print_hex(void *buf, size_t len)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000042{
43 size_t i;
44
45 for (i = 0; i < len; i++)
46 msg_pdbg(" %02x", ((uint8_t *)buf)[i]);
47}
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +000048#endif
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000049
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +000050/* Might be useful for other USB devices as well. static for now. */
Nathan Laredo21541a62012-12-24 22:07:36 +000051/* device parameter allows user to specify one device of multiple installed */
52static struct usb_device *get_device_by_vid_pid(uint16_t vid, uint16_t pid, unsigned int device)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000053{
54 struct usb_bus *bus;
55 struct usb_device *dev;
56
57 for (bus = usb_get_busses(); bus; bus = bus->next)
58 for (dev = bus->devices; dev; dev = dev->next)
59 if ((dev->descriptor.idVendor == vid) &&
Nathan Laredo21541a62012-12-24 22:07:36 +000060 (dev->descriptor.idProduct == pid)) {
61 if (device == 0)
62 return dev;
63 device--;
64 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +000065
66 return NULL;
67}
68
69//int usb_control_msg(usb_dev_handle *dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);
70
Stefan Reinauer915b8402011-01-28 09:00:15 +000071/* Set/clear LEDs on dediprog */
72#define PASS_ON (0 << 0)
73#define PASS_OFF (1 << 0)
74#define BUSY_ON (0 << 1)
75#define BUSY_OFF (1 << 1)
76#define ERROR_ON (0 << 2)
77#define ERROR_OFF (1 << 2)
78static int current_led_status = -1;
79
80static int dediprog_set_leds(int leds)
81{
82 int ret, target_leds;
Uwe Hermann91f4afa2011-07-28 08:13:25 +000083
Stefan Reinauer915b8402011-01-28 09:00:15 +000084 if (leds < 0 || leds > 7)
85 leds = 0; // Bogus value, enable all LEDs
86
87 if (leds == current_led_status)
88 return 0;
89
90 /* Older Dediprogs with 2.x.x and 3.x.x firmware only had
91 * two LEDs, and they were reversed. So map them around if
92 * we have an old device. On those devices the LEDs map as
93 * follows:
94 * bit 2 == 0: green light is on.
95 * bit 0 == 0: red light is on.
96 */
97 if (dediprog_firmwareversion < FIRMWARE_VERSION(5,0,0)) {
98 target_leds = ((leds & ERROR_OFF) >> 2) |
99 ((leds & PASS_OFF) << 2);
100 } else {
101 target_leds = leds;
102 }
103
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000104 ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, target_leds,
105 NULL, 0x0, DEFAULT_TIMEOUT);
Stefan Reinauer915b8402011-01-28 09:00:15 +0000106 if (ret != 0x0) {
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000107 msg_perr("Command Set LED 0x%x failed (%s)!\n",
108 leds, usb_strerror());
Stefan Reinauer915b8402011-01-28 09:00:15 +0000109 return 1;
110 }
111
112 current_led_status = leds;
113
114 return 0;
115}
116
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000117static int dediprog_set_spi_voltage(int millivolt)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000118{
119 int ret;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000120 uint16_t voltage_selector;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000121
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000122 switch (millivolt) {
123 case 0:
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000124 /* Admittedly this one is an assumption. */
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000125 voltage_selector = 0x0;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000126 break;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000127 case 1800:
128 voltage_selector = 0x12;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000129 break;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000130 case 2500:
131 voltage_selector = 0x11;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000132 break;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000133 case 3500:
134 voltage_selector = 0x10;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000135 break;
136 default:
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000137 msg_perr("Unknown voltage %i mV! Aborting.\n", millivolt);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000138 return 1;
139 }
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000140 msg_pdbg("Setting SPI voltage to %u.%03u V\n", millivolt / 1000,
141 millivolt % 1000);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000142
Nico Huber4099a8a2012-06-16 00:02:27 +0000143 if (voltage_selector == 0) {
144 /* Wait some time as the original driver does. */
145 programmer_delay(200 * 1000);
146 }
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000147 ret = usb_control_msg(dediprog_handle, 0x42, 0x9, voltage_selector,
148 0xff, NULL, 0x0, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000149 if (ret != 0x0) {
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000150 msg_perr("Command Set SPI Voltage 0x%x failed!\n",
151 voltage_selector);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000152 return 1;
153 }
Nico Huber4099a8a2012-06-16 00:02:27 +0000154 if (voltage_selector != 0) {
155 /* Wait some time as the original driver does. */
156 programmer_delay(200 * 1000);
157 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000158 return 0;
159}
160
Nico Huber77fa67d2013-02-20 18:03:36 +0000161struct dediprog_spispeeds {
162 const char *const name;
163 const int speed;
164};
165
166static const struct dediprog_spispeeds spispeeds[] = {
167 { "24M", 0x0 },
168 { "12M", 0x2 },
169 { "8M", 0x1 },
170 { "3M", 0x3 },
171 { "2.18M", 0x4 },
172 { "1.5M", 0x5 },
173 { "750k", 0x6 },
174 { "375k", 0x7 },
175 { NULL, 0x0 },
176};
177
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000178/* After dediprog_set_spi_speed, the original app always calls
179 * dediprog_set_spi_voltage(0) and then
180 * dediprog_check_devicestring() four times in a row.
181 * After that, dediprog_command_a() is called.
182 * This looks suspiciously like the microprocessor in the SF100 has to be
183 * restarted/reinitialized in case the speed changes.
184 */
Nico Huber77fa67d2013-02-20 18:03:36 +0000185static int dediprog_set_spi_speed(unsigned int spispeed_idx)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000186{
Patrick Georgiefe2d432013-05-23 21:47:46 +0000187 if (dediprog_firmwareversion < FIRMWARE_VERSION(5, 0, 0)) {
188 msg_pwarn("Skipping to set SPI speed because firmware is too old.\n");
189 return 0;
190 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000191
Patrick Georgiefe2d432013-05-23 21:47:46 +0000192 msg_pdbg("SPI speed is %s Hz\n", spispeeds[spispeed_idx].name);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000193
Patrick Georgiefe2d432013-05-23 21:47:46 +0000194 int ret = usb_control_msg(dediprog_handle, 0x42, 0x61, spispeeds[spispeed_idx].speed, 0xff,
195 NULL, 0x0, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000196 if (ret != 0x0) {
Nico Huber77fa67d2013-02-20 18:03:36 +0000197 msg_perr("Command Set SPI Speed 0x%x failed!\n", spispeeds[spispeed_idx].speed);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000198 return 1;
199 }
200 return 0;
201}
202
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000203/* Bulk read interface, will read multiple 512 byte chunks aligned to 512 bytes.
204 * @start start address
205 * @len length
206 * @return 0 on success, 1 on failure
207 */
Carl-Daniel Hailfinger63fd9022011-12-14 22:25:15 +0000208static int dediprog_spi_bulk_read(struct flashctx *flash, uint8_t *buf,
Stefan Taunerc69c9c82011-11-23 09:13:48 +0000209 unsigned int start, unsigned int len)
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000210{
211 int ret;
Stefan Taunerc69c9c82011-11-23 09:13:48 +0000212 unsigned int i;
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000213 /* chunksize must be 512, other sizes will NOT work at all. */
Stefan Taunerc69c9c82011-11-23 09:13:48 +0000214 const unsigned int chunksize = 0x200;
215 const unsigned int count = len / chunksize;
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000216 const char count_and_chunk[] = {count & 0xff,
217 (count >> 8) & 0xff,
218 chunksize & 0xff,
219 (chunksize >> 8) & 0xff};
220
221 if ((start % chunksize) || (len % chunksize)) {
222 msg_perr("%s: Unaligned start=%i, len=%i! Please report a bug "
223 "at flashrom@flashrom.org\n", __func__, start, len);
224 return 1;
225 }
226
227 /* No idea if the hardware can handle empty reads, so chicken out. */
228 if (!len)
229 return 0;
230 /* Command Read SPI Bulk. No idea which read command is used on the
231 * SPI side.
232 */
233 ret = usb_control_msg(dediprog_handle, 0x42, 0x20, start % 0x10000,
234 start / 0x10000, (char *)count_and_chunk,
235 sizeof(count_and_chunk), DEFAULT_TIMEOUT);
236 if (ret != sizeof(count_and_chunk)) {
237 msg_perr("Command Read SPI Bulk failed, %i %s!\n", ret,
238 usb_strerror());
239 return 1;
240 }
241
242 for (i = 0; i < count; i++) {
243 ret = usb_bulk_read(dediprog_handle, 0x80 | dediprog_endpoint,
244 (char *)buf + i * chunksize, chunksize,
245 DEFAULT_TIMEOUT);
246 if (ret != chunksize) {
247 msg_perr("SPI bulk read %i failed, expected %i, got %i "
248 "%s!\n", i, chunksize, ret, usb_strerror());
249 return 1;
250 }
251 }
252
253 return 0;
254}
255
Carl-Daniel Hailfinger63fd9022011-12-14 22:25:15 +0000256static int dediprog_spi_read(struct flashctx *flash, uint8_t *buf,
Stefan Taunerc69c9c82011-11-23 09:13:48 +0000257 unsigned int start, unsigned int len)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000258{
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000259 int ret;
260 /* chunksize must be 512, other sizes will NOT work at all. */
Stefan Taunerc69c9c82011-11-23 09:13:48 +0000261 const unsigned int chunksize = 0x200;
262 unsigned int residue = start % chunksize ? chunksize - start % chunksize : 0;
263 unsigned int bulklen;
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000264
Stefan Reinauer915b8402011-01-28 09:00:15 +0000265 dediprog_set_leds(PASS_OFF|BUSY_ON|ERROR_OFF);
266
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000267 if (residue) {
268 msg_pdbg("Slow read for partial block from 0x%x, length 0x%x\n",
269 start, residue);
270 ret = spi_read_chunked(flash, buf, start, residue, 16);
Stefan Reinauer915b8402011-01-28 09:00:15 +0000271 if (ret) {
272 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000273 return ret;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000274 }
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000275 }
276
277 /* Round down. */
278 bulklen = (len - residue) / chunksize * chunksize;
279 ret = dediprog_spi_bulk_read(flash, buf + residue, start + residue,
280 bulklen);
Stefan Reinauer915b8402011-01-28 09:00:15 +0000281 if (ret) {
282 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000283 return ret;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000284 }
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000285
286 len -= residue + bulklen;
287 if (len) {
288 msg_pdbg("Slow read for partial block from 0x%x, length 0x%x\n",
289 start, len);
290 ret = spi_read_chunked(flash, buf + residue + bulklen,
291 start + residue + bulklen, len, 16);
Stefan Reinauer915b8402011-01-28 09:00:15 +0000292 if (ret) {
293 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000294 return ret;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000295 }
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000296 }
297
Stefan Reinauer915b8402011-01-28 09:00:15 +0000298 dediprog_set_leds(PASS_ON|BUSY_OFF|ERROR_OFF);
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000299 return 0;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000300}
301
Nico Hubera4b14f72012-06-19 12:06:53 +0000302/* Bulk write interface, will write multiple chunksize byte chunks aligned to chunksize bytes.
303 * @chunksize length of data chunks, only 256 supported by now
304 * @start start address
305 * @len length
306 * @dedi_spi_cmd dediprog specific write command for spi bus
307 * @return 0 on success, 1 on failure
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000308 */
Nico Hubera4b14f72012-06-19 12:06:53 +0000309static int dediprog_spi_bulk_write(struct flashctx *flash, uint8_t *buf, unsigned int chunksize,
310 unsigned int start, unsigned int len, uint8_t dedi_spi_cmd)
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000311{
312 int ret;
313 unsigned int i;
314 /* USB transfer size must be 512, other sizes will NOT work at all.
315 * chunksize is the real data size per USB bulk transfer. The remaining
316 * space in a USB bulk transfer must be filled with 0xff padding.
317 */
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000318 const unsigned int count = len / chunksize;
Nico Hubera4b14f72012-06-19 12:06:53 +0000319 const char count_and_cmd[] = {count & 0xff, (count >> 8) & 0xff, 0x00, dedi_spi_cmd};
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000320 char usbbuf[512];
321
Nico Hubera4b14f72012-06-19 12:06:53 +0000322 /*
323 * We should change this check to
324 * chunksize > 512
325 * once we know how to handle different chunk sizes.
326 */
327 if (chunksize != 256) {
328 msg_perr("%s: Chunk sizes other than 256 bytes are unsupported, chunksize=%u!\n"
329 "Please report a bug at flashrom@flashrom.org\n", __func__, chunksize);
330 return 1;
331 }
332
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000333 if ((start % chunksize) || (len % chunksize)) {
334 msg_perr("%s: Unaligned start=%i, len=%i! Please report a bug "
335 "at flashrom@flashrom.org\n", __func__, start, len);
336 return 1;
337 }
338
339 /* No idea if the hardware can handle empty writes, so chicken out. */
340 if (!len)
341 return 0;
342 /* Command Write SPI Bulk. No idea which write command is used on the
343 * SPI side.
344 */
Nico Hubera4b14f72012-06-19 12:06:53 +0000345 ret = usb_control_msg(dediprog_handle, 0x42, 0x30, start % 0x10000, start / 0x10000,
346 (char *)count_and_cmd, sizeof(count_and_cmd), DEFAULT_TIMEOUT);
347 if (ret != sizeof(count_and_cmd)) {
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000348 msg_perr("Command Write SPI Bulk failed, %i %s!\n", ret,
349 usb_strerror());
350 return 1;
351 }
352
353 for (i = 0; i < count; i++) {
354 memset(usbbuf, 0xff, sizeof(usbbuf));
355 memcpy(usbbuf, buf + i * chunksize, chunksize);
356 ret = usb_bulk_write(dediprog_handle, dediprog_endpoint,
357 usbbuf, 512,
358 DEFAULT_TIMEOUT);
359 if (ret != 512) {
360 msg_perr("SPI bulk write failed, expected %i, got %i "
361 "%s!\n", 512, ret, usb_strerror());
362 return 1;
363 }
364 }
365
366 return 0;
367}
368
Nico Hubera4b14f72012-06-19 12:06:53 +0000369static int dediprog_spi_write(struct flashctx *flash, uint8_t *buf,
370 unsigned int start, unsigned int len, uint8_t dedi_spi_cmd)
Carl-Daniel Hailfinger306b8182010-11-23 21:28:16 +0000371{
Stefan Reinauer915b8402011-01-28 09:00:15 +0000372 int ret;
Carl-Daniel Hailfinger5a7cb842012-08-25 01:17:58 +0000373 const unsigned int chunksize = flash->chip->page_size;
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000374 unsigned int residue = start % chunksize ? chunksize - start % chunksize : 0;
375 unsigned int bulklen;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000376
377 dediprog_set_leds(PASS_OFF|BUSY_ON|ERROR_OFF);
378
Nico Hubera4b14f72012-06-19 12:06:53 +0000379 if (chunksize != 256) {
380 msg_pdbg("Page sizes other than 256 bytes are unsupported as "
381 "we don't know how dediprog\nhandles them.\n");
382 /* Write everything like it was residue. */
383 residue = len;
384 }
385
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000386 if (residue) {
387 msg_pdbg("Slow write for partial block from 0x%x, length 0x%x\n",
388 start, residue);
389 /* No idea about the real limit. Maybe 12, maybe more. */
390 ret = spi_write_chunked(flash, buf, start, residue, 12);
391 if (ret) {
392 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
393 return ret;
394 }
395 }
Stefan Reinauer915b8402011-01-28 09:00:15 +0000396
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000397 /* Round down. */
398 bulklen = (len - residue) / chunksize * chunksize;
Nico Hubera4b14f72012-06-19 12:06:53 +0000399 ret = dediprog_spi_bulk_write(flash, buf + residue, chunksize, start + residue, bulklen, dedi_spi_cmd);
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000400 if (ret) {
Stefan Reinauer915b8402011-01-28 09:00:15 +0000401 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000402 return ret;
403 }
Stefan Reinauer915b8402011-01-28 09:00:15 +0000404
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000405 len -= residue + bulklen;
406 if (len) {
407 msg_pdbg("Slow write for partial block from 0x%x, length 0x%x\n",
408 start, len);
409 ret = spi_write_chunked(flash, buf + residue + bulklen,
410 start + residue + bulklen, len, 12);
411 if (ret) {
412 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
413 return ret;
414 }
415 }
416
417 dediprog_set_leds(PASS_ON|BUSY_OFF|ERROR_OFF);
418 return 0;
Carl-Daniel Hailfinger306b8182010-11-23 21:28:16 +0000419}
420
Nico Hubera4b14f72012-06-19 12:06:53 +0000421static int dediprog_spi_write_256(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len)
422{
423 return dediprog_spi_write(flash, buf, start, len, DEDI_SPI_CMD_PAGEWRITE);
424}
425
426static int dediprog_spi_write_aai(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len)
427{
428 return dediprog_spi_write(flash, buf, start, len, DEDI_SPI_CMD_AAIWRITE);
429}
430
Carl-Daniel Hailfinger8a3c60c2011-12-18 15:01:24 +0000431static int dediprog_spi_send_command(struct flashctx *flash,
432 unsigned int writecnt,
433 unsigned int readcnt,
434 const unsigned char *writearr,
435 unsigned char *readarr)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000436{
437 int ret;
438
Carl-Daniel Hailfingereac65792010-01-22 02:53:30 +0000439 msg_pspew("%s, writecnt=%i, readcnt=%i\n", __func__, writecnt, readcnt);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000440 /* Paranoid, but I don't want to be blamed if anything explodes. */
Carl-Daniel Hailfinger306b8182010-11-23 21:28:16 +0000441 if (writecnt > 16) {
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000442 msg_perr("Untested writecnt=%i, aborting.\n", writecnt);
Carl-Daniel Hailfingereac65792010-01-22 02:53:30 +0000443 return 1;
444 }
445 /* 16 byte reads should work. */
446 if (readcnt > 16) {
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000447 msg_perr("Untested readcnt=%i, aborting.\n", readcnt);
Carl-Daniel Hailfingereac65792010-01-22 02:53:30 +0000448 return 1;
449 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000450
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000451 ret = usb_control_msg(dediprog_handle, 0x42, 0x1, 0xff,
452 readcnt ? 0x1 : 0x0, (char *)writearr, writecnt,
453 DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000454 if (ret != writecnt) {
Carl-Daniel Hailfingereac65792010-01-22 02:53:30 +0000455 msg_perr("Send SPI failed, expected %i, got %i %s!\n",
456 writecnt, ret, usb_strerror());
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000457 return 1;
458 }
459 if (!readcnt)
460 return 0;
461 memset(readarr, 0, readcnt);
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000462 ret = usb_control_msg(dediprog_handle, 0xc2, 0x01, 0xbb8, 0x0000,
463 (char *)readarr, readcnt, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000464 if (ret != readcnt) {
Carl-Daniel Hailfingereac65792010-01-22 02:53:30 +0000465 msg_perr("Receive SPI failed, expected %i, got %i %s!\n",
466 readcnt, ret, usb_strerror());
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000467 return 1;
468 }
469 return 0;
470}
471
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000472static int dediprog_check_devicestring(void)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000473{
474 int ret;
Mathias Krausedb7afc52010-11-09 23:30:43 +0000475 int fw[3];
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000476 char buf[0x11];
477
478 /* Command Prepare Receive Device String. */
479 memset(buf, 0, sizeof(buf));
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000480 ret = usb_control_msg(dediprog_handle, 0xc3, 0x7, 0x0, 0xef03, buf,
481 0x1, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000482 /* The char casting is needed to stop gcc complaining about an always true comparison. */
483 if ((ret != 0x1) || (buf[0] != (char)0xff)) {
484 msg_perr("Unexpected response to Command Prepare Receive Device"
485 " String!\n");
486 return 1;
487 }
488 /* Command Receive Device String. */
489 memset(buf, 0, sizeof(buf));
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000490 ret = usb_control_msg(dediprog_handle, 0xc2, 0x8, 0xff, 0xff, buf,
491 0x10, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000492 if (ret != 0x10) {
493 msg_perr("Incomplete/failed Command Receive Device String!\n");
494 return 1;
495 }
496 buf[0x10] = '\0';
497 msg_pdbg("Found a %s\n", buf);
498 if (memcmp(buf, "SF100", 0x5)) {
499 msg_perr("Device not a SF100!\n");
500 return 1;
501 }
Mathias Krausedb7afc52010-11-09 23:30:43 +0000502 if (sscanf(buf, "SF100 V:%d.%d.%d ", &fw[0], &fw[1], &fw[2]) != 3) {
503 msg_perr("Unexpected firmware version string!\n");
504 return 1;
505 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000506 /* Only these versions were tested. */
Mathias Krausedb7afc52010-11-09 23:30:43 +0000507 if (fw[0] < 2 || fw[0] > 5) {
508 msg_perr("Unexpected firmware version %d.%d.%d!\n", fw[0],
509 fw[1], fw[2]);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000510 return 1;
511 }
Stefan Reinauer915b8402011-01-28 09:00:15 +0000512 dediprog_firmwareversion = FIRMWARE_VERSION(fw[0], fw[1], fw[2]);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000513 return 0;
514}
515
516/* Command A seems to be some sort of device init. It is either followed by
517 * dediprog_check_devicestring (often) or Command A (often) or
518 * Command F (once).
519 */
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000520static int dediprog_command_a(void)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000521{
522 int ret;
523 char buf[0x1];
524
525 memset(buf, 0, sizeof(buf));
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000526 ret = usb_control_msg(dediprog_handle, 0xc3, 0xb, 0x0, 0x0, buf,
527 0x1, DEFAULT_TIMEOUT);
Mathias Krausedb7afc52010-11-09 23:30:43 +0000528 if (ret < 0) {
529 msg_perr("Command A failed (%s)!\n", usb_strerror());
530 return 1;
531 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000532 if ((ret != 0x1) || (buf[0] != 0x6f)) {
533 msg_perr("Unexpected response to Command A!\n");
534 return 1;
535 }
536 return 0;
537}
538
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +0000539#if 0
540/* Something.
541 * Present in eng_detect_blink.log with firmware 3.1.8
542 * Always preceded by Command Receive Device String
543 */
544static int dediprog_command_b(void)
545{
546 int ret;
547 char buf[0x3];
548
549 memset(buf, 0, sizeof(buf));
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000550 ret = usb_control_msg(dediprog_handle, 0xc3, 0x7, 0x0, 0xef00, buf,
551 0x3, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +0000552 if (ret < 0) {
553 msg_perr("Command B failed (%s)!\n", usb_strerror());
554 return 1;
555 }
556 if ((ret != 0x3) || (buf[0] != 0xff) || (buf[1] != 0xff) ||
557 (buf[2] != 0xff)) {
558 msg_perr("Unexpected response to Command B!\n");
559 return 1;
560 }
561
562 return 0;
563}
564#endif
565
Stefan Taunere659d2d2013-05-03 21:58:28 +0000566/* Command Chip Select is only sent after dediprog_check_devicestring, but not after every
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000567 * invocation of dediprog_check_devicestring. It is only sent after the first
568 * dediprog_command_a(); dediprog_check_devicestring() sequence in each session.
Stefan Taunere659d2d2013-05-03 21:58:28 +0000569 * Bit #1 of the value changes the chip select: 0 is target 1, 1 is target 2 and parameter target can be 1 or 2
570 * respectively. We don't know how to encode "3, Socket" and "0, reference card" yet. On SF100 the vendor
571 * software "DpCmd 6.0.4.06" selects target 2 when requesting 3 (which is unavailable on that hardware).
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000572 */
Stefan Taunere659d2d2013-05-03 21:58:28 +0000573static int dediprog_chip_select(int target)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000574{
575 int ret;
Stefan Taunere659d2d2013-05-03 21:58:28 +0000576 uint16_t value = ((target - 1) & 1) << 1;
577 msg_pdbg("Selecting target chip %i\n", target);
578 ret = usb_control_msg(dediprog_handle, 0x42, 0x4, value, 0x0, NULL,
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000579 0x0, DEFAULT_TIMEOUT);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000580 if (ret != 0x0) {
Stefan Taunere659d2d2013-05-03 21:58:28 +0000581 msg_perr("Command Chip Select failed (%s)!\n", usb_strerror());
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000582 return 1;
583 }
584 return 0;
585}
586
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000587#if 0
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000588/* Very strange. Seems to be a programmer keepalive or somesuch.
589 * Wait unsuccessfully for timeout ms to read one byte.
590 * Is usually called after setting voltage to 0.
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +0000591 * Present in all logs with Firmware 2.1.1 and 3.1.8
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000592 */
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000593static int dediprog_command_f(int timeout)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000594{
595 int ret;
596 char buf[0x1];
597
598 memset(buf, 0, sizeof(buf));
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000599 ret = usb_control_msg(dediprog_handle, 0xc2, 0x11, 0xff, 0xff, buf,
600 0x1, timeout);
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +0000601 /* This check is most probably wrong. Command F always causes a timeout
602 * in the logs, so we should check for timeout instead of checking for
603 * success.
604 */
605 if (ret != 0x1) {
606 msg_perr("Command F failed (%s)!\n", usb_strerror());
607 return 1;
608 }
609 return 0;
610}
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000611
612/* Start/stop blinking?
613 * Present in eng_detect_blink.log with firmware 3.1.8
614 * Preceded by Command J
615 */
616static int dediprog_command_g(void)
617{
618 int ret;
619
620 ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x03, NULL, 0x0, DEFAULT_TIMEOUT);
621 if (ret != 0x0) {
622 msg_perr("Command G failed (%s)!\n", usb_strerror());
623 return 1;
624 }
625 return 0;
626}
627
628/* Something.
629 * Present in all logs with firmware 5.1.5
630 * Always preceded by Command Receive Device String
631 * Always followed by Command Set SPI Voltage nonzero
632 */
633static int dediprog_command_h(void)
634{
635 int ret;
636
637 ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x05, NULL, 0x0, DEFAULT_TIMEOUT);
638 if (ret != 0x0) {
639 msg_perr("Command H failed (%s)!\n", usb_strerror());
640 return 1;
641 }
642 return 0;
643}
644
645/* Shutdown for firmware 5.x?
646 * Present in all logs with firmware 5.1.5
647 * Often preceded by a SPI operation (Command Read SPI Bulk or Receive SPI)
648 * Always followed by Command Set SPI Voltage 0x0000
649 */
650static int dediprog_command_i(void)
651{
652 int ret;
653
654 ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x06, NULL, 0x0, DEFAULT_TIMEOUT);
655 if (ret != 0x0) {
656 msg_perr("Command I failed (%s)!\n", usb_strerror());
657 return 1;
658 }
659 return 0;
660}
661
662/* Start/stop blinking?
663 * Present in all logs with firmware 5.1.5
664 * Always preceded by Command Receive Device String on 5.1.5
665 * Always followed by Command Set SPI Voltage nonzero on 5.1.5
666 * Present in eng_detect_blink.log with firmware 3.1.8
667 * Preceded by Command B in eng_detect_blink.log
668 * Followed by Command G in eng_detect_blink.log
669 */
670static int dediprog_command_j(void)
671{
672 int ret;
673
674 ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x07, NULL, 0x0, DEFAULT_TIMEOUT);
675 if (ret != 0x0) {
676 msg_perr("Command J failed (%s)!\n", usb_strerror());
677 return 1;
678 }
679 return 0;
680}
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000681#endif
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000682
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000683static int parse_voltage(char *voltage)
684{
685 char *tmp = NULL;
Carl-Daniel Hailfinger082c8b52011-08-15 19:54:20 +0000686 int i;
687 int millivolt = 0, fraction = 0;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000688
689 if (!voltage || !strlen(voltage)) {
690 msg_perr("Empty voltage= specified.\n");
691 return -1;
692 }
693 millivolt = (int)strtol(voltage, &tmp, 0);
694 voltage = tmp;
695 /* Handle "," and "." as decimal point. Everything after it is assumed
696 * to be in decimal notation.
697 */
698 if ((*voltage == '.') || (*voltage == ',')) {
699 voltage++;
700 for (i = 0; i < 3; i++) {
701 fraction *= 10;
702 /* Don't advance if the current character is invalid,
703 * but continue multiplying.
704 */
705 if ((*voltage < '0') || (*voltage > '9'))
706 continue;
707 fraction += *voltage - '0';
708 voltage++;
709 }
710 /* Throw away remaining digits. */
711 voltage += strspn(voltage, "0123456789");
712 }
713 /* The remaining string must be empty or "mV" or "V". */
714 tolower_string(voltage);
715
716 /* No unit or "V". */
717 if ((*voltage == '\0') || !strncmp(voltage, "v", 1)) {
718 millivolt *= 1000;
719 millivolt += fraction;
720 } else if (!strncmp(voltage, "mv", 2) ||
721 !strncmp(voltage, "milliv", 6)) {
722 /* No adjustment. fraction is discarded. */
723 } else {
724 /* Garbage at the end of the string. */
725 msg_perr("Garbage voltage= specified.\n");
726 return -1;
727 }
728 return millivolt;
729}
730
Stefan Taunere659d2d2013-05-03 21:58:28 +0000731static int dediprog_setup(long target)
Nico Huber77fa67d2013-02-20 18:03:36 +0000732{
733 /* URB 6. Command A. */
734 if (dediprog_command_a()) {
735 return 1;
736 }
737 /* URB 7. Command A. */
738 if (dediprog_command_a()) {
739 return 1;
740 }
741 /* URB 8. Command Prepare Receive Device String. */
742 /* URB 9. Command Receive Device String. */
743 if (dediprog_check_devicestring()) {
744 return 1;
745 }
Stefan Taunere659d2d2013-05-03 21:58:28 +0000746 /* URB 10. Command Chip Select */
747 if (dediprog_chip_select(target)) {
Nico Huber77fa67d2013-02-20 18:03:36 +0000748 return 1;
749 }
750 return 0;
751}
752
Michael Karcherb9dbe482011-05-11 17:07:07 +0000753static const struct spi_programmer spi_programmer_dediprog = {
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000754 .type = SPI_CONTROLLER_DEDIPROG,
755 .max_data_read = MAX_DATA_UNSPECIFIED,
756 .max_data_write = MAX_DATA_UNSPECIFIED,
757 .command = dediprog_spi_send_command,
758 .multicommand = default_spi_send_multicommand,
759 .read = dediprog_spi_read,
760 .write_256 = dediprog_spi_write_256,
Nico Hubera4b14f72012-06-19 12:06:53 +0000761 .write_aai = dediprog_spi_write_aai,
Michael Karcherb9dbe482011-05-11 17:07:07 +0000762};
763
David Hendricks8bb20212011-06-14 01:35:36 +0000764static int dediprog_shutdown(void *data)
765{
766 msg_pspew("%s\n", __func__);
767
Carl-Daniel Hailfinger64204b52011-12-20 01:54:19 +0000768#if 0
769 /* Shutdown on firmware 5.x */
770 if (dediprog_firmwareversion == 5)
771 if (dediprog_command_i())
772 return 1;
773#endif
774
David Hendricks8bb20212011-06-14 01:35:36 +0000775 /* URB 28. Command Set SPI Voltage to 0. */
776 if (dediprog_set_spi_voltage(0x0))
777 return 1;
778
779 if (usb_release_interface(dediprog_handle, 0)) {
780 msg_perr("Could not release USB interface!\n");
781 return 1;
782 }
783 if (usb_close(dediprog_handle)) {
784 msg_perr("Could not close USB device!\n");
785 return 1;
786 }
787 return 0;
788}
789
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000790/* URB numbers refer to the first log ever captured. */
791int dediprog_init(void)
792{
793 struct usb_device *dev;
Stefan Taunere659d2d2013-05-03 21:58:28 +0000794 char *voltage, *device, *spispeed, *target_str;
Patrick Georgiefe2d432013-05-23 21:47:46 +0000795 int spispeed_idx = 1;
Carl-Daniel Hailfinger082c8b52011-08-15 19:54:20 +0000796 int millivolt = 3500;
Nathan Laredo21541a62012-12-24 22:07:36 +0000797 long usedevice = 0;
Stefan Taunere659d2d2013-05-03 21:58:28 +0000798 long target = 1;
Nico Huber77fa67d2013-02-20 18:03:36 +0000799 int i, ret;
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000800
801 msg_pspew("%s\n", __func__);
802
Nico Huber77fa67d2013-02-20 18:03:36 +0000803 spispeed = extract_programmer_param("spispeed");
804 if (spispeed) {
805 for (i = 0; spispeeds[i].name; ++i) {
806 if (!strcasecmp(spispeeds[i].name, spispeed)) {
807 spispeed_idx = i;
808 break;
809 }
810 }
811 if (!spispeeds[i].name) {
Patrick Georgiefe2d432013-05-23 21:47:46 +0000812 msg_perr("Error: Invalid spispeed value: '%s'.\n", spispeed);
Nico Huber77fa67d2013-02-20 18:03:36 +0000813 free(spispeed);
814 return 1;
815 }
816 free(spispeed);
817 }
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000818 voltage = extract_programmer_param("voltage");
819 if (voltage) {
820 millivolt = parse_voltage(voltage);
821 free(voltage);
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000822 if (millivolt < 0)
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000823 return 1;
Carl-Daniel Hailfingerc2441382010-11-09 22:00:31 +0000824 msg_pinfo("Setting voltage to %i mV\n", millivolt);
825 }
826
Nathan Laredo21541a62012-12-24 22:07:36 +0000827 device = extract_programmer_param("device");
828 if (device) {
829 char *dev_suffix;
830 errno = 0;
831 usedevice = strtol(device, &dev_suffix, 10);
832 if (errno != 0 || device == dev_suffix) {
833 msg_perr("Error: Could not convert 'device'.\n");
834 free(device);
835 return 1;
836 }
837 if (usedevice < 0 || usedevice > UINT_MAX) {
838 msg_perr("Error: Value for 'device' is out of range.\n");
839 free(device);
840 return 1;
841 }
842 if (strlen(dev_suffix) > 0) {
843 msg_perr("Error: Garbage following 'device' value.\n");
844 free(device);
845 return 1;
846 }
847 msg_pinfo("Using device %li.\n", usedevice);
848 }
849 free(device);
850
Stefan Taunere659d2d2013-05-03 21:58:28 +0000851 target_str = extract_programmer_param("target");
852 if (target_str) {
853 char *target_suffix;
854 errno = 0;
855 target = strtol(target_str, &target_suffix, 10);
856 if (errno != 0 || target_str == target_suffix) {
857 msg_perr("Error: Could not convert 'target'.\n");
858 free(target_str);
859 return 1;
860 }
861 if (target < 1 || target > 2) {
862 msg_perr("Error: Value for 'target' is out of range.\n");
863 free(target_str);
864 return 1;
865 }
866 if (strlen(target_suffix) > 0) {
867 msg_perr("Error: Garbage following 'target' value.\n");
868 free(target_str);
869 return 1;
870 }
871 msg_pinfo("Using target %li.\n", target);
872 }
873 free(target_str);
874
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000875 /* Here comes the USB stuff. */
876 usb_init();
877 usb_find_busses();
878 usb_find_devices();
Nathan Laredo21541a62012-12-24 22:07:36 +0000879 dev = get_device_by_vid_pid(0x0483, 0xdada, (unsigned int) usedevice);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000880 if (!dev) {
881 msg_perr("Could not find a Dediprog SF100 on USB!\n");
882 return 1;
883 }
884 msg_pdbg("Found USB device (%04x:%04x).\n",
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000885 dev->descriptor.idVendor, dev->descriptor.idProduct);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000886 dediprog_handle = usb_open(dev);
Carl-Daniel Hailfinger482e9742010-11-16 21:25:29 +0000887 ret = usb_set_configuration(dediprog_handle, 1);
888 if (ret < 0) {
889 msg_perr("Could not set USB device configuration: %i %s\n",
890 ret, usb_strerror());
891 if (usb_close(dediprog_handle))
892 msg_perr("Could not close USB device!\n");
893 return 1;
894 }
895 ret = usb_claim_interface(dediprog_handle, 0);
896 if (ret < 0) {
897 msg_perr("Could not claim USB device interface %i: %i %s\n",
898 0, ret, usb_strerror());
899 if (usb_close(dediprog_handle))
900 msg_perr("Could not close USB device!\n");
901 return 1;
902 }
903 dediprog_endpoint = 2;
Nico Huber77fa67d2013-02-20 18:03:36 +0000904
David Hendricks8bb20212011-06-14 01:35:36 +0000905 if (register_shutdown(dediprog_shutdown, NULL))
906 return 1;
907
Stefan Reinauer915b8402011-01-28 09:00:15 +0000908 dediprog_set_leds(PASS_ON|BUSY_ON|ERROR_ON);
909
Nico Huber77fa67d2013-02-20 18:03:36 +0000910 /* Perform basic setup. */
Stefan Taunere659d2d2013-05-03 21:58:28 +0000911 if (dediprog_setup(target)) {
Stefan Reinauer915b8402011-01-28 09:00:15 +0000912 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000913 return 1;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000914 }
Nico Huber77fa67d2013-02-20 18:03:36 +0000915
916 /* After setting voltage and speed, perform setup again. */
Stefan Taunere659d2d2013-05-03 21:58:28 +0000917 if (dediprog_set_spi_voltage(0) || dediprog_set_spi_speed(spispeed_idx) || dediprog_setup(target)) {
Stefan Reinauer915b8402011-01-28 09:00:15 +0000918 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000919 return 1;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000920 }
Nico Huber77fa67d2013-02-20 18:03:36 +0000921
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000922 /* URB 11. Command Set SPI Voltage. */
Stefan Reinauer915b8402011-01-28 09:00:15 +0000923 if (dediprog_set_spi_voltage(millivolt)) {
924 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000925 return 1;
Stefan Reinauer915b8402011-01-28 09:00:15 +0000926 }
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000927
Michael Karcherb9dbe482011-05-11 17:07:07 +0000928 register_spi_programmer(&spi_programmer_dediprog);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000929
930 /* RE leftover, leave in until the driver is complete. */
931#if 0
932 /* Execute RDID by hand if you want to test it. */
933 dediprog_do_stuff();
934#endif
935
Stefan Reinauer915b8402011-01-28 09:00:15 +0000936 dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_OFF);
937
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000938 return 0;
939}
940
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000941#if 0
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000942/* Leftovers from reverse engineering. Keep for documentation purposes until
943 * completely understood.
944 */
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000945static int dediprog_do_stuff(void)
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000946{
947 char buf[0x4];
948 /* SPI command processing starts here. */
949
950 /* URB 12. Command Send SPI. */
951 /* URB 13. Command Receive SPI. */
952 memset(buf, 0, sizeof(buf));
953 /* JEDEC RDID */
954 msg_pdbg("Sending RDID\n");
955 buf[0] = JEDEC_RDID;
Uwe Hermann91f4afa2011-07-28 08:13:25 +0000956 if (dediprog_spi_send_command(JEDEC_RDID_OUTSIZE, JEDEC_RDID_INSIZE,
957 (unsigned char *)buf, (unsigned char *)buf))
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000958 return 1;
959 msg_pdbg("Receiving response: ");
960 print_hex(buf, JEDEC_RDID_INSIZE);
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000961 /* URB 14-27 are more SPI commands. */
962 /* URB 28. Command Set SPI Voltage. */
963 if (dediprog_set_spi_voltage(0x0))
964 return 1;
965 /* URB 29-38. Command F, unsuccessful wait. */
966 if (dediprog_command_f(544))
967 return 1;
968 /* URB 39. Command Set SPI Voltage. */
969 if (dediprog_set_spi_voltage(0x10))
970 return 1;
971 /* URB 40. Command Set SPI Speed. */
972 if (dediprog_set_spi_speed(0x2))
973 return 1;
974 /* URB 41 is just URB 28. */
975 /* URB 42,44,46,48,51,53 is just URB 8. */
976 /* URB 43,45,47,49,52,54 is just URB 9. */
977 /* URB 50 is just URB 6/7. */
978 /* URB 55-131 is just URB 29-38. (wait unsuccessfully for 4695 (maybe 4751) ms)*/
979 /* URB 132,134 is just URB 6/7. */
980 /* URB 133 is just URB 29-38. */
981 /* URB 135 is just URB 8. */
982 /* URB 136 is just URB 9. */
983 /* URB 137 is just URB 11. */
984
Carl-Daniel Hailfingerff30d8a2011-01-20 21:05:15 +0000985 /* Command Start Bulk Read. Data is u16 blockcount, u16 blocksize. */
986 /* Command Start Bulk Write. Data is u16 blockcount, u16 blocksize. */
987 /* Bulk transfer sizes for Command Start Bulk Read/Write are always
988 * 512 bytes, rest is filled with 0xff.
989 */
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000990
Carl-Daniel Hailfingerd38fac82010-01-19 11:15:48 +0000991 return 0;
992}
Carl-Daniel Hailfingerad3cc552010-07-03 11:02:10 +0000993#endif