cmd_syno.c 4.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225
  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Commands to deal with Synology specifics.
  4. *
  5. * Copyright (C) 2015 Phil Sutter <phil@nwl.cc>
  6. */
  7. #include <common.h>
  8. #include <command.h>
  9. #include <div64.h>
  10. #include <env.h>
  11. #include <net.h>
  12. #include <spi.h>
  13. #include <spi_flash.h>
  14. #include <linux/mtd/mtd.h>
  15. #include <asm/io.h>
  16. #include "../drivers/ddr/marvell/axp/ddr3_init.h"
  17. #include "cmd_syno.h"
  18. int do_syno_populate(int argc, char *const argv[])
  19. {
  20. unsigned int bus = CONFIG_SF_DEFAULT_BUS;
  21. unsigned int cs = CONFIG_SF_DEFAULT_CS;
  22. unsigned int speed = CONFIG_SF_DEFAULT_SPEED;
  23. unsigned int mode = CONFIG_SF_DEFAULT_MODE;
  24. struct spi_flash *flash;
  25. unsigned long addr = 0x80000; /* XXX: parameterize this? */
  26. loff_t offset = 0x007d0000;
  27. loff_t len = 0x00010000;
  28. char *buf, *bufp;
  29. char var[128];
  30. char val[128];
  31. int ret, n;
  32. /* XXX: arg parsing to select flash here? */
  33. flash = spi_flash_probe(bus, cs, speed, mode);
  34. if (!flash) {
  35. printf("Failed to initialize SPI flash at %u:%u\n", bus, cs);
  36. return 1;
  37. }
  38. buf = map_physmem(addr, len, MAP_WRBACK);
  39. if (!buf) {
  40. puts("Failed to map physical memory\n");
  41. return 1;
  42. }
  43. ret = spi_flash_read(flash, offset, len, buf);
  44. if (ret) {
  45. puts("Failed to read from SPI flash\n");
  46. goto out_unmap;
  47. }
  48. for (n = 0; n < SYNO_ETHADDR_MAX; n++) {
  49. char ethaddr[ETH_ALEN];
  50. int i, sum = 0;
  51. unsigned char csum = 0;
  52. for (i = 0, bufp = buf + n * 7; i < ETH_ALEN; i++) {
  53. sum += bufp[i];
  54. csum += bufp[i];
  55. ethaddr[i] = bufp[i];
  56. }
  57. if (!sum) /* MAC address empty */
  58. continue;
  59. if (csum != bufp[i]) { /* seventh byte is checksum value */
  60. printf("Invalid MAC address for interface %d!\n", n);
  61. continue;
  62. }
  63. if (n == 0)
  64. sprintf(var, "ethaddr");
  65. else
  66. sprintf(var, "eth%daddr", n);
  67. snprintf(val, sizeof(val) - 1,
  68. "%02x:%02x:%02x:%02x:%02x:%02x",
  69. ethaddr[0], ethaddr[1], ethaddr[2],
  70. ethaddr[3], ethaddr[4], ethaddr[5]);
  71. printf("parsed %s = %s\n", var, val);
  72. env_set(var, val);
  73. }
  74. if (!strncmp(buf + 32, SYNO_SN_TAG, strlen(SYNO_SN_TAG))) {
  75. char *snp, *csump;
  76. int csum = 0;
  77. unsigned long c;
  78. snp = bufp = buf + 32 + strlen(SYNO_SN_TAG);
  79. for (n = 0; bufp[n] && bufp[n] != ','; n++)
  80. csum += bufp[n];
  81. bufp[n] = '\0';
  82. /* should come right after, but you never know */
  83. bufp = strstr(bufp + n + 1, SYNO_CHKSUM_TAG);
  84. if (!bufp) {
  85. printf("Serial number checksum tag missing!\n");
  86. goto out_unmap;
  87. }
  88. csump = bufp += strlen(SYNO_CHKSUM_TAG);
  89. for (n = 0; bufp[n] && bufp[n] != ','; n++)
  90. ;
  91. bufp[n] = '\0';
  92. if (strict_strtoul(csump, 10, &c) || c != csum) {
  93. puts("Invalid serial number found!\n");
  94. ret = 1;
  95. goto out_unmap;
  96. }
  97. printf("parsed SN = %s\n", snp);
  98. env_set("SN", snp);
  99. } else { /* old style format */
  100. unsigned char csum = 0;
  101. for (n = 0, bufp = buf + 32; n < 10; n++)
  102. csum += bufp[n];
  103. if (csum != bufp[n]) {
  104. puts("Invalid serial number found!\n");
  105. ret = 1;
  106. goto out_unmap;
  107. }
  108. bufp[n] = '\0';
  109. printf("parsed SN = %s\n", buf + 32);
  110. env_set("SN", buf + 32);
  111. }
  112. out_unmap:
  113. unmap_physmem(buf, len);
  114. return ret;
  115. }
  116. /* map bit position to function in POWER_MNG_CTRL_REG */
  117. static const char * const pwr_mng_bit_func[] = {
  118. "audio",
  119. "ge3", "ge2", "ge1", "ge0",
  120. "pcie00", "pcie01", "pcie02", "pcie03",
  121. "pcie10", "pcie11", "pcie12", "pcie13",
  122. "bp",
  123. "sata0_link", "sata0_core",
  124. "lcd",
  125. "sdio",
  126. "usb0", "usb1", "usb2",
  127. "idma", "xor0", "crypto",
  128. NULL,
  129. "tdm",
  130. "pcie20", "pcie30",
  131. "xor1",
  132. "sata1_link", "sata1_core",
  133. NULL,
  134. };
  135. static int do_syno_clk_gate(int argc, char *const argv[])
  136. {
  137. u32 pwr_mng_ctrl_reg = reg_read(POWER_MNG_CTRL_REG);
  138. const char *func, *state;
  139. int i, val;
  140. if (argc < 2)
  141. return -1;
  142. if (!strcmp(argv[1], "get")) {
  143. puts("Clock Gating:\n");
  144. for (i = 0; i < 32; i++) {
  145. func = pwr_mng_bit_func[i];
  146. if (!func)
  147. continue;
  148. state = pwr_mng_ctrl_reg & (1 << i) ? "ON" : "OFF";
  149. printf("%s:\t\t%s\n", func, state);
  150. }
  151. return 0;
  152. }
  153. if (argc < 4)
  154. return -1;
  155. if (!strcmp(argv[1], "set")) {
  156. func = argv[2];
  157. state = argv[3];
  158. for (i = 0; i < 32; i++) {
  159. if (!pwr_mng_bit_func[i])
  160. continue;
  161. if (!strcmp(func, pwr_mng_bit_func[i]))
  162. break;
  163. }
  164. if (i == 32) {
  165. printf("Error: name '%s' not known\n", func);
  166. return -1;
  167. }
  168. val = state[0] != '0';
  169. pwr_mng_ctrl_reg |= (val << i);
  170. pwr_mng_ctrl_reg &= ~(!val << i);
  171. reg_write(POWER_MNG_CTRL_REG, pwr_mng_ctrl_reg);
  172. }
  173. return 0;
  174. }
  175. static int do_syno(struct cmd_tbl *cmdtp, int flag, int argc,
  176. char *const argv[])
  177. {
  178. const char *cmd;
  179. int ret = 0;
  180. if (argc < 2)
  181. goto usage;
  182. cmd = argv[1];
  183. --argc;
  184. ++argv;
  185. if (!strcmp(cmd, "populate_env"))
  186. ret = do_syno_populate(argc, argv);
  187. else if (!strcmp(cmd, "clk_gate"))
  188. ret = do_syno_clk_gate(argc, argv);
  189. if (ret != -1)
  190. return ret;
  191. usage:
  192. return CMD_RET_USAGE;
  193. }
  194. U_BOOT_CMD(
  195. syno, 5, 1, do_syno,
  196. "Synology specific commands",
  197. "populate_env - Read vendor data from SPI flash into environment\n"
  198. "clk_gate (get|set name 1|0) - Manage clock gating\n"
  199. );