cmd_arc.c 8.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404
  1. // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
  2. /*
  3. * Command for accessing Arcturus factory environment.
  4. *
  5. * Copyright 2013-2019 Arcturus Networks Inc.
  6. * https://www.arcturusnetworks.com/products/
  7. * by Oleksandr G Zhadan et al.
  8. *
  9. */
  10. #include <common.h>
  11. #include <div64.h>
  12. #include <env.h>
  13. #include <malloc.h>
  14. #include <spi_flash.h>
  15. #include <mmc.h>
  16. #include <version.h>
  17. #include <environment.h>
  18. #include <asm/io.h>
  19. static ulong fwenv_addr[MAX_FWENV_ADDR];
  20. const char mystrerr[] = "ERROR: Failed to save factory info";
  21. static int ishwaddr(char *hwaddr)
  22. {
  23. if (strlen(hwaddr) == MAX_HWADDR_SIZE)
  24. if (hwaddr[2] == ':' &&
  25. hwaddr[5] == ':' &&
  26. hwaddr[8] == ':' &&
  27. hwaddr[11] == ':' &&
  28. hwaddr[14] == ':')
  29. return 0;
  30. return -1;
  31. }
  32. #if (FWENV_TYPE == FWENV_MMC)
  33. static char smac[29][18] __attribute__ ((aligned(0x200))); /* 1 MMC block is 512 bytes */
  34. int set_mmc_arc_product(int argc, char *const argv[])
  35. {
  36. struct mmc *mmc;
  37. u32 blk, cnt, n;
  38. int i, err = 1;
  39. void *addr;
  40. const u8 mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
  41. mmc = find_mmc_device(mmc_dev_num);
  42. if (!mmc) {
  43. printf("No SD/MMC/eMMC card found\n");
  44. return 0;
  45. }
  46. if (mmc_init(mmc)) {
  47. printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
  48. mmc_dev_num);
  49. return 0;
  50. }
  51. if (mmc_getwp(mmc) == 1) {
  52. printf("Error: card is write protected!\n");
  53. return CMD_RET_FAILURE;
  54. }
  55. /* Save factory defaults */
  56. addr = (void *)smac;
  57. cnt = 1; /* One 512 bytes block */
  58. for (i = 0; i < MAX_FWENV_ADDR; i++)
  59. if (fwenv_addr[i] != -1) {
  60. blk = fwenv_addr[i] / 512;
  61. n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
  62. if (n != cnt)
  63. printf("%s: %s [%d]\n", __func__, mystrerr, i);
  64. else
  65. err = 0;
  66. }
  67. if (err)
  68. return -2;
  69. return err;
  70. }
  71. static int read_mmc_arc_info(void)
  72. {
  73. struct mmc *mmc;
  74. u32 blk, cnt, n;
  75. int i;
  76. void *addr;
  77. const u8 mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
  78. mmc = find_mmc_device(mmc_dev_num);
  79. if (!mmc) {
  80. printf("No SD/MMC/eMMC card found\n");
  81. return 0;
  82. }
  83. if (mmc_init(mmc)) {
  84. printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
  85. mmc_dev_num);
  86. return 0;
  87. }
  88. addr = (void *)smac;
  89. cnt = 1; /* One 512 bytes block */
  90. for (i = 0; i < MAX_FWENV_ADDR; i++)
  91. if (fwenv_addr[i] != -1) {
  92. blk = fwenv_addr[i] / 512;
  93. n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
  94. flush_cache((ulong) addr, 512);
  95. if (n == cnt)
  96. return (i + 1);
  97. }
  98. return 0;
  99. }
  100. #endif
  101. #if (FWENV_TYPE == FWENV_SPI_FLASH)
  102. static struct spi_flash *flash;
  103. static char smac[4][18];
  104. int set_spi_arc_product(int argc, char *const argv[])
  105. {
  106. int i, err = 1;
  107. flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
  108. CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
  109. if (!flash) {
  110. printf("Failed to initialize SPI flash at %u:%u\n",
  111. CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS);
  112. return -1;
  113. }
  114. /* Save factory defaults */
  115. for (i = 0; i < MAX_FWENV_ADDR; i++)
  116. if (fwenv_addr[i] != -1)
  117. if (spi_flash_write
  118. (flash, fwenv_addr[i], sizeof(smac), smac))
  119. printf("%s: %s [%d]\n", __func__, mystrerr, i);
  120. else
  121. err = 0;
  122. if (err)
  123. return -2;
  124. return err;
  125. }
  126. static int read_spi_arc_info(void)
  127. {
  128. int i;
  129. flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
  130. CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
  131. if (!flash) {
  132. printf("Failed to initialize SPI flash at %u:%u\n",
  133. CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS);
  134. return 0;
  135. }
  136. for (i = 0; i < MAX_FWENV_ADDR; i++)
  137. if (fwenv_addr[i] != -1)
  138. if (!spi_flash_read
  139. (flash, fwenv_addr[i], sizeof(smac), smac))
  140. return (i + 1);
  141. return 0;
  142. }
  143. #endif
  144. #if (FWENV_TYPE == FWENV_NOR_FLASH)
  145. static char smac[4][18];
  146. int set_nor_arc_product(int argc, char *const argv[])
  147. {
  148. int i, err = 1;
  149. /* Save factory defaults */
  150. for (i = 0; i < MAX_FWENV_ADDR; i++)
  151. if (fwenv_addr[i] != -1) {
  152. ulong fwenv_end = fwenv_addr[i] + 4;
  153. flash_sect_roundb(&fwenv_end);
  154. flash_sect_protect(0, fwenv_addr[i], fwenv_end);
  155. if (flash_write
  156. ((char *)smac, fwenv_addr[i], sizeof(smac)))
  157. printf("%s: %s [%d]\n", __func__, mystrerr, i);
  158. else
  159. err = 0;
  160. flash_sect_protect(1, fwenv_addr[i], fwenv_end);
  161. }
  162. if (err)
  163. return -2;
  164. return err;
  165. }
  166. static int read_nor_arc_info(void)
  167. {
  168. int i;
  169. for (i = 0; i < MAX_FWENV_ADDR; i++)
  170. if (fwenv_addr[i] != -1) {
  171. memcpy(smac, (void *)fwenv_addr[i], sizeof(smac));
  172. return (i + 1);
  173. }
  174. return 0;
  175. }
  176. #endif
  177. int set_arc_product(int argc, char *const argv[])
  178. {
  179. if (argc != 5)
  180. return -1;
  181. /* Check serial number */
  182. if (strlen(argv[1]) != MAX_SERIAL_SIZE)
  183. return -1;
  184. /* Check HWaddrs */
  185. if (ishwaddr(argv[2]) || ishwaddr(argv[3]) || ishwaddr(argv[4]))
  186. return -1;
  187. strcpy(smac[0], argv[1]);
  188. strcpy(smac[1], argv[2]);
  189. strcpy(smac[2], argv[3]);
  190. strcpy(smac[3], argv[4]);
  191. #if (FWENV_TYPE == FWENV_NOR_FLASH)
  192. return set_nor_arc_product(argc, argv);
  193. #endif
  194. #if (FWENV_TYPE == FWENV_SPI_FLASH)
  195. return set_spi_arc_product(argc, argv);
  196. #endif
  197. #if (FWENV_TYPE == FWENV_MMC)
  198. return set_mmc_arc_product(argc, argv);
  199. #endif
  200. return -2;
  201. }
  202. static int read_arc_info(void)
  203. {
  204. #if (FWENV_TYPE == FWENV_NOR_FLASH)
  205. return read_nor_arc_info();
  206. #endif
  207. #if (FWENV_TYPE == FWENV_SPI_FLASH)
  208. return read_spi_arc_info();
  209. #endif
  210. #if (FWENV_TYPE == FWENV_MMC)
  211. return read_mmc_arc_info();
  212. #endif
  213. return 0;
  214. }
  215. static int do_get_arc_info(void)
  216. {
  217. int l = read_arc_info();
  218. char *oldserial = env_get("SERIAL");
  219. char *oldversion = env_get("VERSION");
  220. if (oldversion != NULL)
  221. if (strcmp(oldversion, U_BOOT_VERSION) != 0)
  222. oldversion = NULL;
  223. if (l == 0) {
  224. printf("%s: failed to read factory info\n", __func__);
  225. return -2;
  226. }
  227. printf("\rSERIAL: ");
  228. if (smac[0][0] == EMPY_CHAR) {
  229. printf("<not found>\n");
  230. } else {
  231. printf("%s\n", smac[0]);
  232. env_set("SERIAL", smac[0]);
  233. }
  234. if (strcmp(smac[1], "00:00:00:00:00:00") == 0) {
  235. env_set("ethaddr", NULL);
  236. env_set("eth1addr", NULL);
  237. env_set("eth2addr", NULL);
  238. goto done;
  239. }
  240. printf("HWADDR0: ");
  241. if (smac[1][0] == EMPY_CHAR) {
  242. printf("<not found>\n");
  243. } else {
  244. char *ret = env_get("ethaddr");
  245. if (ret == NULL) {
  246. env_set("ethaddr", smac[1]);
  247. printf("%s\n", smac[1]);
  248. } else if (strcmp(ret, __stringify(CONFIG_ETHADDR)) == 0) {
  249. env_set("ethaddr", smac[1]);
  250. printf("%s (factory)\n", smac[1]);
  251. } else {
  252. printf("%s\n", ret);
  253. }
  254. }
  255. if (strcmp(smac[2], "00:00:00:00:00:00") == 0) {
  256. env_set("eth1addr", NULL);
  257. env_set("eth2addr", NULL);
  258. goto done;
  259. }
  260. printf("HWADDR1: ");
  261. if (smac[2][0] == EMPY_CHAR) {
  262. printf("<not found>\n");
  263. } else {
  264. char *ret = env_get("eth1addr");
  265. if (ret == NULL) {
  266. env_set("ethaddr", smac[2]);
  267. printf("%s\n", smac[2]);
  268. } else if (strcmp(ret, __stringify(CONFIG_ETH1ADDR)) == 0) {
  269. env_set("eth1addr", smac[2]);
  270. printf("%s (factory)\n", smac[2]);
  271. } else {
  272. printf("%s\n", ret);
  273. }
  274. }
  275. if (strcmp(smac[3], "00:00:00:00:00:00") == 0) {
  276. env_set("eth2addr", NULL);
  277. goto done;
  278. }
  279. printf("HWADDR2: ");
  280. if (smac[3][0] == EMPY_CHAR) {
  281. printf("<not found>\n");
  282. } else {
  283. char *ret = env_get("eth2addr");
  284. if (ret == NULL) {
  285. env_set("ethaddr", smac[3]);
  286. printf("%s\n", smac[3]);
  287. } else if (strcmp(ret, __stringify(CONFIG_ETH2ADDR)) == 0) {
  288. env_set("eth2addr", smac[3]);
  289. printf("%s (factory)\n", smac[3]);
  290. } else {
  291. printf("%s\n", ret);
  292. }
  293. }
  294. done:
  295. if (oldserial == NULL || oldversion == NULL) {
  296. if (oldversion == NULL)
  297. env_set("VERSION", U_BOOT_VERSION);
  298. env_save();
  299. }
  300. return 0;
  301. }
  302. static int init_fwenv(void)
  303. {
  304. int i, ret = -1;
  305. fwenv_addr[0] = FWENV_ADDR1;
  306. fwenv_addr[1] = FWENV_ADDR2;
  307. fwenv_addr[2] = FWENV_ADDR3;
  308. fwenv_addr[3] = FWENV_ADDR4;
  309. for (i = 0; i < MAX_FWENV_ADDR; i++)
  310. if (fwenv_addr[i] != -1)
  311. ret = 0;
  312. if (ret)
  313. printf("%s: No firmfare info storage address is defined\n",
  314. __func__);
  315. return ret;
  316. }
  317. void get_arc_info(void)
  318. {
  319. if (!init_fwenv())
  320. do_get_arc_info();
  321. }
  322. static int do_arc_cmd(cmd_tbl_t * cmdtp, int flag, int argc, char *const argv[])
  323. {
  324. const char *cmd;
  325. int ret = -1;
  326. cmd = argv[1];
  327. --argc;
  328. ++argv;
  329. if (init_fwenv())
  330. return ret;
  331. if (strcmp(cmd, "product") == 0)
  332. ret = set_arc_product(argc, argv);
  333. else if (strcmp(cmd, "info") == 0)
  334. ret = do_get_arc_info();
  335. if (ret == -1)
  336. return CMD_RET_USAGE;
  337. return ret;
  338. }
  339. U_BOOT_CMD(arc, 6, 1, do_arc_cmd,
  340. "Arcturus product command sub-system",
  341. "product serial hwaddr0 hwaddr1 hwaddr2 - save Arcturus factory env\n"
  342. "info - show Arcturus factory env\n\n");