1
2
3
4
5
6
7
8#if !defined(CONFIG_SPL_BUILD)
9
10#include <common.h>
11#include <env.h>
12#include <dm.h>
13#include <env_internal.h>
14#include <i2c.h>
15#include <log.h>
16#include <asm/io.h>
17#if !CONFIG_IS_ENABLED(TARGET_GIEDI) && !CONFIG_IS_ENABLED(TARGET_DENEB)
18#include <asm/arch/cpu.h>
19#endif
20#include <asm/arch/sys_proto.h>
21#include <asm/unaligned.h>
22#include <net.h>
23#include <errno.h>
24#include <g_dnl.h>
25#include "factoryset.h"
26
27#define EEPR_PG_SZ 0x80
28#define EEPROM_FATORYSET_OFFSET 0x400
29#define OFF_PG EEPROM_FATORYSET_OFFSET/EEPR_PG_SZ
30
31
32struct factorysetcontainer factory_dat;
33
34#define fact_get_char(i) *((char *)&eeprom_buf[i])
35
36static int fact_match(unsigned char *eeprom_buf, uchar *s1, int i2)
37{
38 if (s1 == NULL)
39 return -1;
40
41 while (*s1 == fact_get_char(i2++))
42 if (*s1++ == '=')
43 return i2;
44
45 if (*s1 == '\0' && fact_get_char(i2-1) == '=')
46 return i2;
47
48 return -1;
49}
50
51static int get_factory_val(unsigned char *eeprom_buf, int size, uchar *name,
52 uchar *buf, int len)
53{
54 int i, nxt = 0;
55
56 for (i = 0; fact_get_char(i) != '\0'; i = nxt + 1) {
57 int val, n;
58
59 for (nxt = i; fact_get_char(nxt) != '\0'; ++nxt) {
60 if (nxt >= size)
61 return -1;
62 }
63
64 val = fact_match(eeprom_buf, (uchar *)name, i);
65 if (val < 0)
66 continue;
67
68
69 for (n = 0; n < len; ++n, ++buf) {
70 *buf = fact_get_char(val++);
71 if (*buf == '\0')
72 return n;
73 }
74
75 if (n)
76 *--buf = '\0';
77
78 printf("env_buf [%d bytes] too small for value of \"%s\"\n",
79 len, name);
80
81 return n;
82 }
83 return -1;
84}
85
86static
87int get_factory_record_val(unsigned char *eeprom_buf, int size, uchar *record,
88 uchar *name, uchar *buf, int len)
89{
90 int ret = -1;
91 int i, nxt = 0;
92 int c;
93 unsigned char end = 0xff;
94 unsigned char tmp;
95
96 for (i = 0; fact_get_char(i) != end; i = nxt) {
97 nxt = i + 1;
98 if (fact_get_char(i) == '>') {
99 int pos;
100 int endpos;
101 int z;
102 int level = 0;
103
104 c = strncmp((char *)&eeprom_buf[i + 1], (char *)record,
105 strlen((char *)record));
106 if (c == 0) {
107
108 pos = i + strlen((char *)record) + 2;
109 nxt = pos;
110
111 c = -1;
112 for (z = pos; fact_get_char(z) != end; z++) {
113 if (fact_get_char(z) == '<') {
114 if (level == 0) {
115 endpos = z;
116 nxt = endpos;
117 c = 0;
118 break;
119 } else {
120 level--;
121 }
122 }
123 if (fact_get_char(z) == '>')
124 level++;
125 }
126 } else {
127 continue;
128 }
129 if (c == 0) {
130
131 tmp = eeprom_buf[endpos];
132 eeprom_buf[endpos] = end;
133 ret = get_factory_val(&eeprom_buf[pos],
134 endpos - pos, name, buf, len);
135
136 eeprom_buf[endpos] = tmp;
137 debug("%s: %s.%s = %s\n",
138 __func__, record, name, buf);
139 return ret;
140 }
141 }
142 }
143 return ret;
144}
145
146int factoryset_read_eeprom(int i2c_addr)
147{
148 int i, pages = 0, size = 0;
149 unsigned char eeprom_buf[0x3c00], hdr[4], buf[MAX_STRING_LENGTH];
150 unsigned char *cp, *cp1;
151#if CONFIG_IS_ENABLED(DM_I2C)
152 struct udevice *bus, *dev;
153 int ret;
154#endif
155
156#if defined(CONFIG_DFU_OVER_USB)
157 factory_dat.usb_vendor_id = CONFIG_USB_GADGET_VENDOR_NUM;
158 factory_dat.usb_product_id = CONFIG_USB_GADGET_PRODUCT_NUM;
159#endif
160
161#if CONFIG_IS_ENABLED(DM_I2C)
162 ret = uclass_get_device_by_seq(UCLASS_I2C, EEPROM_I2C_BUS, &bus);
163 if (ret)
164 goto err;
165
166 ret = dm_i2c_probe(bus, i2c_addr, 0, &dev);
167 if (ret)
168 goto err;
169
170 ret = i2c_set_chip_offset_len(dev, 2);
171 if (ret)
172 goto err;
173
174 ret = dm_i2c_read(dev, EEPROM_FATORYSET_OFFSET, hdr, sizeof(hdr));
175 if (ret)
176 goto err;
177#else
178 if (i2c_probe(i2c_addr))
179 goto err;
180
181 if (i2c_read(i2c_addr, EEPROM_FATORYSET_OFFSET, 2, hdr, sizeof(hdr)))
182 goto err;
183#endif
184
185 if ((hdr[0] != 0x99) || (hdr[1] != 0x80)) {
186 printf("FactorySet is not right in eeprom.\n");
187 return 1;
188 }
189
190
191 size = (hdr[2] << 8) + hdr[3] + sizeof(hdr);
192 if (size > 0x3bfa)
193 size = 0x3bfa;
194
195 pages = size / EEPR_PG_SZ;
196
197
198
199
200
201
202
203 debug("Read eeprom page :\n");
204 for (i = 0; i < pages; i++) {
205#if CONFIG_IS_ENABLED(DM_I2C)
206 ret = dm_i2c_read(dev, (OFF_PG + i) * EEPR_PG_SZ,
207 eeprom_buf + (i * EEPR_PG_SZ), EEPR_PG_SZ);
208 if (ret)
209 goto err;
210#else
211 if (i2c_read(i2c_addr, (OFF_PG + i) * EEPR_PG_SZ, 2,
212 eeprom_buf + (i * EEPR_PG_SZ), EEPR_PG_SZ))
213 goto err;
214#endif
215 }
216
217 if (size % EEPR_PG_SZ) {
218#if CONFIG_IS_ENABLED(DM_I2C)
219 ret = dm_i2c_read(dev, (OFF_PG + pages) * EEPR_PG_SZ,
220 eeprom_buf + (pages * EEPR_PG_SZ),
221 size % EEPR_PG_SZ);
222 if (ret)
223 goto err;
224#else
225 if (i2c_read(i2c_addr, (OFF_PG + pages) * EEPR_PG_SZ, 2,
226 eeprom_buf + (pages * EEPR_PG_SZ),
227 (size % EEPR_PG_SZ)))
228 goto err;
229#endif
230 }
231
232
233 for (i = 0; i < size; i++)
234 if (eeprom_buf[i] == '\n')
235 eeprom_buf[i] = 0;
236
237
238 size -= sizeof(hdr);
239 cp = (uchar *)eeprom_buf + sizeof(hdr);
240
241
242 get_factory_record_val(cp, size, (uchar *)"ETH1", (uchar *)"mac",
243 buf, MAX_STRING_LENGTH);
244 cp1 = buf;
245 for (i = 0; i < 6; i++) {
246 factory_dat.mac[i] = hextoul((char *)cp1, NULL);
247 cp1 += 3;
248 }
249
250#if CONFIG_IS_ENABLED(TARGET_GIEDI) || CONFIG_IS_ENABLED(TARGET_DENEB)
251
252 ret = get_factory_record_val(cp, size, (uchar *)"WLAN1", (uchar *)"mac",
253 buf, MAX_STRING_LENGTH);
254 if (ret > 0) {
255 cp1 = buf;
256 for (i = 0; i < 6; i++) {
257 factory_dat.mac_wlan[i] = hextoul((char *)cp1, NULL);
258 cp1 += 3;
259 }
260 }
261#endif
262
263#if defined(CONFIG_DFU_OVER_USB)
264
265 if (0 <= get_factory_record_val(cp, size, (uchar *)"USBD1",
266 (uchar *)"vid", buf,
267 MAX_STRING_LENGTH)) {
268 factory_dat.usb_vendor_id = hextoul((char *)buf, NULL);
269 }
270
271 if (0 <= get_factory_record_val(cp, size, (uchar *)"USBD1",
272 (uchar *)"pid", buf,
273 MAX_STRING_LENGTH)) {
274 factory_dat.usb_product_id = hextoul((char *)buf, NULL);
275 }
276 printf("DFU USB: VID = 0x%4x, PID = 0x%4x\n", factory_dat.usb_vendor_id,
277 factory_dat.usb_product_id);
278#endif
279#if defined(CONFIG_VIDEO)
280 if (0 <= get_factory_record_val(cp, size, (uchar *)"DISP1",
281 (uchar *)"name", factory_dat.disp_name,
282 MAX_STRING_LENGTH)) {
283 debug("display name: %s\n", factory_dat.disp_name);
284 }
285#endif
286 if (0 <= get_factory_record_val(cp, size, (uchar *)"DEV",
287 (uchar *)"num", factory_dat.serial,
288 MAX_STRING_LENGTH)) {
289 debug("serial number: %s\n", factory_dat.serial);
290 }
291 if (0 <= get_factory_record_val(cp, size, (uchar *)"DEV",
292 (uchar *)"ver", buf,
293 MAX_STRING_LENGTH)) {
294 factory_dat.version = hextoul((char *)buf, NULL);
295 debug("version number: %d\n", factory_dat.version);
296 }
297
298 if (0 <= get_factory_record_val(cp, size, (uchar *)"DEV",
299 (uchar *)"id", factory_dat.asn,
300 MAX_STRING_LENGTH)) {
301 debug("factoryset asn: %s\n", factory_dat.asn);
302 } else {
303 factory_dat.asn[0] = 0;
304 }
305
306 if (0 <= get_factory_record_val(cp, size, (uchar *)"COMP",
307 (uchar *)"ver",
308 factory_dat.comp_version,
309 MAX_STRING_LENGTH)) {
310 debug("factoryset COMP/ver: %s\n", factory_dat.comp_version);
311 } else {
312 strcpy((char *)factory_dat.comp_version, "1.0");
313 }
314
315 return 0;
316
317err:
318 printf("Could not read the EEPROM; something fundamentally wrong on the I2C bus.\n");
319 return 1;
320}
321
322static int get_mac_from_efuse(uint8_t mac[6])
323{
324#ifdef CONFIG_AM33XX
325 struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
326 uint32_t mac_hi, mac_lo;
327
328 mac_lo = readl(&cdev->macid0l);
329 mac_hi = readl(&cdev->macid0h);
330
331 mac[0] = mac_hi & 0xFF;
332 mac[1] = (mac_hi & 0xFF00) >> 8;
333 mac[2] = (mac_hi & 0xFF0000) >> 16;
334 mac[3] = (mac_hi & 0xFF000000) >> 24;
335 mac[4] = mac_lo & 0xFF;
336 mac[5] = (mac_lo & 0xFF00) >> 8;
337#else
338
339 memset(mac, 0, 6);
340#endif
341 if (!is_valid_ethaddr(mac)) {
342 puts("Warning: ethaddr not set by FactorySet or E-fuse. ");
343 puts("Set <ethaddr> variable to overcome this.\n");
344 return -1;
345 }
346 return 0;
347}
348
349static int factoryset_mac_env_set(void)
350{
351 uint8_t mac_addr[6];
352
353
354 debug("FactorySet: Set mac address\n");
355 if (is_valid_ethaddr(factory_dat.mac)) {
356 memcpy(mac_addr, factory_dat.mac, 6);
357 } else {
358 debug("Warning: FactorySet: <ethaddr> not set. Fallback to E-fuse\n");
359 if (get_mac_from_efuse(mac_addr) < 0)
360 return -1;
361 }
362
363 eth_env_set_enetaddr("ethaddr", mac_addr);
364
365#if CONFIG_IS_ENABLED(TARGET_GIEDI) || CONFIG_IS_ENABLED(TARGET_DENEB)
366 eth_env_set_enetaddr("eth1addr", mac_addr);
367
368
369 if (is_valid_ethaddr(factory_dat.mac_wlan))
370 eth_env_set_enetaddr("eth2addr", factory_dat.mac_wlan);
371#endif
372 return 0;
373}
374
375static void factoryset_dtb_env_set(void)
376{
377
378 if (factory_dat.asn[0] != 0) {
379 env_set("dtb_name", (char *)factory_dat.asn);
380 } else {
381
382 env_set("dtb_name", "default");
383 }
384}
385
386int factoryset_env_set(void)
387{
388 int ret = 0;
389
390 factoryset_dtb_env_set();
391
392 if (factoryset_mac_env_set() < 0)
393 ret = -1;
394
395 return ret;
396}
397
398int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
399{
400 put_unaligned(factory_dat.usb_vendor_id, &dev->idVendor);
401 put_unaligned(factory_dat.usb_product_id, &dev->idProduct);
402 g_dnl_set_serialnumber((char *)factory_dat.serial);
403
404 return 0;
405}
406
407int g_dnl_get_board_bcd_device_number(int gcnum)
408{
409 return factory_dat.version;
410}
411#endif
412
