immap.c 14 KB

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  1. /*
  2. * (C) Copyright 2000-2003
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. /*
  8. * MPC8xx/MPC8260 Internal Memory Map Functions
  9. */
  10. #include <common.h>
  11. #include <command.h>
  12. #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260)
  13. #if defined(CONFIG_8xx)
  14. #include <asm/8xx_immap.h>
  15. #include <commproc.h>
  16. #include <asm/iopin_8xx.h>
  17. #elif defined(CONFIG_MPC8260)
  18. #include <asm/immap_8260.h>
  19. #include <asm/cpm_8260.h>
  20. #include <asm/iopin_8260.h>
  21. #endif
  22. DECLARE_GLOBAL_DATA_PTR;
  23. static void
  24. unimplemented ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  25. {
  26. printf ("Sorry, but the '%s' command has not been implemented\n",
  27. cmdtp->name);
  28. }
  29. int
  30. do_siuinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  31. {
  32. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  33. #if defined(CONFIG_8xx)
  34. volatile sysconf8xx_t *sc = &immap->im_siu_conf;
  35. #elif defined(CONFIG_MPC8260)
  36. volatile sysconf8260_t *sc = &immap->im_siu_conf;
  37. #endif
  38. printf ("SIUMCR= %08x SYPCR = %08x\n", sc->sc_siumcr, sc->sc_sypcr);
  39. #if defined(CONFIG_8xx)
  40. printf ("SWT = %08x\n", sc->sc_swt);
  41. printf ("SIPEND= %08x SIMASK= %08x\n", sc->sc_sipend, sc->sc_simask);
  42. printf ("SIEL = %08x SIVEC = %08x\n", sc->sc_siel, sc->sc_sivec);
  43. printf ("TESR = %08x SDCR = %08x\n", sc->sc_tesr, sc->sc_sdcr);
  44. #elif defined(CONFIG_MPC8260)
  45. printf ("BCR = %08x\n", sc->sc_bcr);
  46. printf ("P_ACR = %02x P_ALRH= %08x P_ALRL= %08x\n",
  47. sc->sc_ppc_acr, sc->sc_ppc_alrh, sc->sc_ppc_alrl);
  48. printf ("L_ACR = %02x L_ALRH= %08x L_ALRL= %08x\n",
  49. sc->sc_lcl_acr, sc->sc_lcl_alrh, sc->sc_lcl_alrl);
  50. printf ("PTESR1= %08x PTESR2= %08x\n", sc->sc_tescr1, sc->sc_tescr2);
  51. printf ("LTESR1= %08x LTESR2= %08x\n", sc->sc_ltescr1, sc->sc_ltescr2);
  52. printf ("PDTEA = %08x PDTEM = %02x\n", sc->sc_pdtea, sc->sc_pdtem);
  53. printf ("LDTEA = %08x LDTEM = %02x\n", sc->sc_ldtea, sc->sc_ldtem);
  54. #endif
  55. return 0;
  56. }
  57. int
  58. do_memcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  59. {
  60. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  61. #if defined(CONFIG_8xx)
  62. volatile memctl8xx_t *memctl = &immap->im_memctl;
  63. int nbanks = 8;
  64. #elif defined(CONFIG_MPC8260)
  65. volatile memctl8260_t *memctl = &immap->im_memctl;
  66. int nbanks = 12;
  67. #endif
  68. volatile uint *p = &memctl->memc_br0;
  69. int i;
  70. for (i = 0; i < nbanks; i++, p += 2) {
  71. if (i < 10) {
  72. printf ("BR%d = %08x OR%d = %08x\n",
  73. i, p[0], i, p[1]);
  74. } else {
  75. printf ("BR%d = %08x OR%d = %08x\n",
  76. i, p[0], i, p[1]);
  77. }
  78. }
  79. printf ("MAR = %08x", memctl->memc_mar);
  80. #if defined(CONFIG_8xx)
  81. printf (" MCR = %08x\n", memctl->memc_mcr);
  82. #elif defined(CONFIG_MPC8260)
  83. putc ('\n');
  84. #endif
  85. printf ("MAMR = %08x MBMR = %08x",
  86. memctl->memc_mamr, memctl->memc_mbmr);
  87. #if defined(CONFIG_8xx)
  88. printf ("\nMSTAT = %04x\n", memctl->memc_mstat);
  89. #elif defined(CONFIG_MPC8260)
  90. printf (" MCMR = %08x\n", memctl->memc_mcmr);
  91. #endif
  92. printf ("MPTPR = %04x MDR = %08x\n",
  93. memctl->memc_mptpr, memctl->memc_mdr);
  94. #if defined(CONFIG_MPC8260)
  95. printf ("PSDMR = %08x LSDMR = %08x\n",
  96. memctl->memc_psdmr, memctl->memc_lsdmr);
  97. printf ("PURT = %02x PSRT = %02x\n",
  98. memctl->memc_purt, memctl->memc_psrt);
  99. printf ("LURT = %02x LSRT = %02x\n",
  100. memctl->memc_lurt, memctl->memc_lsrt);
  101. printf ("IMMR = %08x\n", memctl->memc_immr);
  102. #endif
  103. return 0;
  104. }
  105. int
  106. do_sitinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  107. {
  108. unimplemented (cmdtp, flag, argc, argv);
  109. return 0;
  110. }
  111. #ifdef CONFIG_MPC8260
  112. int
  113. do_icinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  114. {
  115. unimplemented (cmdtp, flag, argc, argv);
  116. return 0;
  117. }
  118. #endif
  119. int
  120. do_carinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  121. {
  122. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  123. #if defined(CONFIG_8xx)
  124. volatile car8xx_t *car = &immap->im_clkrst;
  125. #elif defined(CONFIG_MPC8260)
  126. volatile car8260_t *car = &immap->im_clkrst;
  127. #endif
  128. #if defined(CONFIG_8xx)
  129. printf ("SCCR = %08x\n", car->car_sccr);
  130. printf ("PLPRCR= %08x\n", car->car_plprcr);
  131. printf ("RSR = %08x\n", car->car_rsr);
  132. #elif defined(CONFIG_MPC8260)
  133. printf ("SCCR = %08x\n", car->car_sccr);
  134. printf ("SCMR = %08x\n", car->car_scmr);
  135. printf ("RSR = %08x\n", car->car_rsr);
  136. printf ("RMR = %08x\n", car->car_rmr);
  137. #endif
  138. return 0;
  139. }
  140. static int counter;
  141. static void
  142. header(void)
  143. {
  144. char *data = "\
  145. -------------------------------- --------------------------------\
  146. 00000000001111111111222222222233 00000000001111111111222222222233\
  147. 01234567890123456789012345678901 01234567890123456789012345678901\
  148. -------------------------------- --------------------------------\
  149. ";
  150. int i;
  151. if (counter % 2)
  152. putc('\n');
  153. counter = 0;
  154. for (i = 0; i < 4; i++, data += 79)
  155. printf("%.79s\n", data);
  156. }
  157. static void binary (char *label, uint value, int nbits)
  158. {
  159. uint mask = 1 << (nbits - 1);
  160. int i, second = (counter++ % 2);
  161. if (second)
  162. putc (' ');
  163. puts (label);
  164. for (i = 32 + 1; i != nbits; i--)
  165. putc (' ');
  166. while (mask != 0) {
  167. if (value & mask)
  168. putc ('1');
  169. else
  170. putc ('0');
  171. mask >>= 1;
  172. }
  173. if (second)
  174. putc ('\n');
  175. }
  176. #if defined(CONFIG_8xx)
  177. #define PA_NBITS 16
  178. #define PA_NB_ODR 8
  179. #define PB_NBITS 18
  180. #define PB_NB_ODR 16
  181. #define PC_NBITS 12
  182. #define PD_NBITS 13
  183. #elif defined(CONFIG_MPC8260)
  184. #define PA_NBITS 32
  185. #define PA_NB_ODR 32
  186. #define PB_NBITS 28
  187. #define PB_NB_ODR 28
  188. #define PC_NBITS 32
  189. #define PD_NBITS 28
  190. #endif
  191. int
  192. do_iopinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  193. {
  194. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  195. #if defined(CONFIG_8xx)
  196. volatile iop8xx_t *iop = &immap->im_ioport;
  197. volatile ushort *l, *r;
  198. #elif defined(CONFIG_MPC8260)
  199. volatile iop8260_t *iop = &immap->im_ioport;
  200. volatile uint *l, *r;
  201. #endif
  202. volatile uint *R;
  203. counter = 0;
  204. header ();
  205. /*
  206. * Ports A & B
  207. */
  208. #if defined(CONFIG_8xx)
  209. l = &iop->iop_padir;
  210. R = &immap->im_cpm.cp_pbdir;
  211. #elif defined(CONFIG_MPC8260)
  212. l = &iop->iop_pdira;
  213. R = &iop->iop_pdirb;
  214. #endif
  215. binary ("PA_DIR", *l++, PA_NBITS);
  216. binary ("PB_DIR", *R++, PB_NBITS);
  217. binary ("PA_PAR", *l++, PA_NBITS);
  218. binary ("PB_PAR", *R++, PB_NBITS);
  219. #if defined(CONFIG_MPC8260)
  220. binary ("PA_SOR", *l++, PA_NBITS);
  221. binary ("PB_SOR", *R++, PB_NBITS);
  222. #endif
  223. binary ("PA_ODR", *l++, PA_NB_ODR);
  224. binary ("PB_ODR", *R++, PB_NB_ODR);
  225. binary ("PA_DAT", *l++, PA_NBITS);
  226. binary ("PB_DAT", *R++, PB_NBITS);
  227. header ();
  228. /*
  229. * Ports C & D
  230. */
  231. #if defined(CONFIG_8xx)
  232. l = &iop->iop_pcdir;
  233. r = &iop->iop_pddir;
  234. #elif defined(CONFIG_MPC8260)
  235. l = &iop->iop_pdirc;
  236. r = &iop->iop_pdird;
  237. #endif
  238. binary ("PC_DIR", *l++, PC_NBITS);
  239. binary ("PD_DIR", *r++, PD_NBITS);
  240. binary ("PC_PAR", *l++, PC_NBITS);
  241. binary ("PD_PAR", *r++, PD_NBITS);
  242. #if defined(CONFIG_8xx)
  243. binary ("PC_SO ", *l++, PC_NBITS);
  244. binary (" ", 0, 0);
  245. r++;
  246. #elif defined(CONFIG_MPC8260)
  247. binary ("PC_SOR", *l++, PC_NBITS);
  248. binary ("PD_SOR", *r++, PD_NBITS);
  249. binary ("PC_ODR", *l++, PC_NBITS);
  250. binary ("PD_ODR", *r++, PD_NBITS);
  251. #endif
  252. binary ("PC_DAT", *l++, PC_NBITS);
  253. binary ("PD_DAT", *r++, PD_NBITS);
  254. #if defined(CONFIG_8xx)
  255. binary ("PC_INT", *l++, PC_NBITS);
  256. #endif
  257. header ();
  258. return 0;
  259. }
  260. /*
  261. * set the io pins
  262. * this needs a clean up for smaller tighter code
  263. * use *uint and set the address based on cmd + port
  264. */
  265. int
  266. do_iopset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  267. {
  268. uint rcode = 0;
  269. iopin_t iopin;
  270. static uint port = 0;
  271. static uint pin = 0;
  272. static uint value = 0;
  273. static enum {
  274. DIR,
  275. PAR,
  276. SOR,
  277. ODR,
  278. DAT,
  279. #if defined(CONFIG_8xx)
  280. INT
  281. #endif
  282. } cmd = DAT;
  283. if (argc != 5) {
  284. puts ("iopset PORT PIN CMD VALUE\n");
  285. return 1;
  286. }
  287. port = argv[1][0] - 'A';
  288. if (port > 3)
  289. port -= 0x20;
  290. if (port > 3)
  291. rcode = 1;
  292. pin = simple_strtol (argv[2], NULL, 10);
  293. if (pin > 31)
  294. rcode = 1;
  295. switch (argv[3][0]) {
  296. case 'd':
  297. if (argv[3][1] == 'a')
  298. cmd = DAT;
  299. else if (argv[3][1] == 'i')
  300. cmd = DIR;
  301. else
  302. rcode = 1;
  303. break;
  304. case 'p':
  305. cmd = PAR;
  306. break;
  307. case 'o':
  308. cmd = ODR;
  309. break;
  310. case 's':
  311. cmd = SOR;
  312. break;
  313. #if defined(CONFIG_8xx)
  314. case 'i':
  315. cmd = INT;
  316. break;
  317. #endif
  318. default:
  319. printf ("iopset: unknown command %s\n", argv[3]);
  320. rcode = 1;
  321. }
  322. if (argv[4][0] == '1')
  323. value = 1;
  324. else if (argv[4][0] == '0')
  325. value = 0;
  326. else
  327. rcode = 1;
  328. if (rcode == 0) {
  329. iopin.port = port;
  330. iopin.pin = pin;
  331. iopin.flag = 0;
  332. switch (cmd) {
  333. case DIR:
  334. if (value)
  335. iopin_set_out (&iopin);
  336. else
  337. iopin_set_in (&iopin);
  338. break;
  339. case PAR:
  340. if (value)
  341. iopin_set_ded (&iopin);
  342. else
  343. iopin_set_gen (&iopin);
  344. break;
  345. case SOR:
  346. if (value)
  347. iopin_set_opt2 (&iopin);
  348. else
  349. iopin_set_opt1 (&iopin);
  350. break;
  351. case ODR:
  352. if (value)
  353. iopin_set_odr (&iopin);
  354. else
  355. iopin_set_act (&iopin);
  356. break;
  357. case DAT:
  358. if (value)
  359. iopin_set_high (&iopin);
  360. else
  361. iopin_set_low (&iopin);
  362. break;
  363. #if defined(CONFIG_8xx)
  364. case INT:
  365. if (value)
  366. iopin_set_falledge (&iopin);
  367. else
  368. iopin_set_anyedge (&iopin);
  369. break;
  370. #endif
  371. }
  372. }
  373. return rcode;
  374. }
  375. int
  376. do_dmainfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  377. {
  378. unimplemented (cmdtp, flag, argc, argv);
  379. return 0;
  380. }
  381. int
  382. do_fccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  383. {
  384. unimplemented (cmdtp, flag, argc, argv);
  385. return 0;
  386. }
  387. static void prbrg (int n, uint val)
  388. {
  389. uint extc = (val >> 14) & 3;
  390. uint cd = (val & CPM_BRG_CD_MASK) >> 1;
  391. uint div16 = (val & CPM_BRG_DIV16) != 0;
  392. #if defined(CONFIG_8xx)
  393. ulong clock = gd->cpu_clk;
  394. #elif defined(CONFIG_MPC8260)
  395. ulong clock = gd->arch.brg_clk;
  396. #endif
  397. printf ("BRG%d:", n);
  398. if (val & CPM_BRG_RST)
  399. puts (" RESET");
  400. else
  401. puts (" ");
  402. if (val & CPM_BRG_EN)
  403. puts (" ENABLED");
  404. else
  405. puts (" DISABLED");
  406. printf (" EXTC=%d", extc);
  407. if (val & CPM_BRG_ATB)
  408. puts (" ATB");
  409. else
  410. puts (" ");
  411. printf (" DIVIDER=%4d", cd);
  412. if (extc == 0 && cd != 0) {
  413. uint baudrate;
  414. if (div16)
  415. baudrate = (clock / 16) / (cd + 1);
  416. else
  417. baudrate = clock / (cd + 1);
  418. printf ("=%6d bps", baudrate);
  419. } else {
  420. puts (" ");
  421. }
  422. if (val & CPM_BRG_DIV16)
  423. puts (" DIV16");
  424. else
  425. puts (" ");
  426. putc ('\n');
  427. }
  428. int
  429. do_brginfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  430. {
  431. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  432. #if defined(CONFIG_8xx)
  433. volatile cpm8xx_t *cp = &immap->im_cpm;
  434. volatile uint *p = &cp->cp_brgc1;
  435. #elif defined(CONFIG_MPC8260)
  436. volatile uint *p = &immap->im_brgc1;
  437. #endif
  438. int i = 1;
  439. while (i <= 4)
  440. prbrg (i++, *p++);
  441. #if defined(CONFIG_MPC8260)
  442. p = &immap->im_brgc5;
  443. while (i <= 8)
  444. prbrg (i++, *p++);
  445. #endif
  446. return 0;
  447. }
  448. int
  449. do_i2cinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  450. {
  451. volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  452. #if defined(CONFIG_8xx)
  453. volatile i2c8xx_t *i2c = &immap->im_i2c;
  454. volatile cpm8xx_t *cp = &immap->im_cpm;
  455. volatile iic_t *iip = (iic_t *) & cp->cp_dparam[PROFF_IIC];
  456. #elif defined(CONFIG_MPC8260)
  457. volatile i2c8260_t *i2c = &immap->im_i2c;
  458. volatile iic_t *iip;
  459. uint dpaddr;
  460. dpaddr = immap->im_dprambase16[PROFF_I2C_BASE / sizeof(u16)];
  461. if (dpaddr == 0)
  462. iip = NULL;
  463. else
  464. iip = (iic_t *) & immap->im_dprambase[dpaddr];
  465. #endif
  466. printf ("I2MOD = %02x I2ADD = %02x\n", i2c->i2c_i2mod, i2c->i2c_i2add);
  467. printf ("I2BRG = %02x I2COM = %02x\n", i2c->i2c_i2brg, i2c->i2c_i2com);
  468. printf ("I2CER = %02x I2CMR = %02x\n", i2c->i2c_i2cer, i2c->i2c_i2cmr);
  469. if (iip == NULL)
  470. puts ("i2c parameter ram not allocated\n");
  471. else {
  472. printf ("RBASE = %08x TBASE = %08x\n",
  473. iip->iic_rbase, iip->iic_tbase);
  474. printf ("RFCR = %02x TFCR = %02x\n",
  475. iip->iic_rfcr, iip->iic_tfcr);
  476. printf ("MRBLR = %04x\n", iip->iic_mrblr);
  477. printf ("RSTATE= %08x RDP = %08x\n",
  478. iip->iic_rstate, iip->iic_rdp);
  479. printf ("RBPTR = %04x RBC = %04x\n",
  480. iip->iic_rbptr, iip->iic_rbc);
  481. printf ("RXTMP = %08x\n", iip->iic_rxtmp);
  482. printf ("TSTATE= %08x TDP = %08x\n",
  483. iip->iic_tstate, iip->iic_tdp);
  484. printf ("TBPTR = %04x TBC = %04x\n",
  485. iip->iic_tbptr, iip->iic_tbc);
  486. printf ("TXTMP = %08x\n", iip->iic_txtmp);
  487. }
  488. return 0;
  489. }
  490. int
  491. do_sccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  492. {
  493. unimplemented (cmdtp, flag, argc, argv);
  494. return 0;
  495. }
  496. int
  497. do_smcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  498. {
  499. unimplemented (cmdtp, flag, argc, argv);
  500. return 0;
  501. }
  502. int
  503. do_spiinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  504. {
  505. unimplemented (cmdtp, flag, argc, argv);
  506. return 0;
  507. }
  508. int
  509. do_muxinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  510. {
  511. unimplemented (cmdtp, flag, argc, argv);
  512. return 0;
  513. }
  514. int
  515. do_siinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  516. {
  517. unimplemented (cmdtp, flag, argc, argv);
  518. return 0;
  519. }
  520. int
  521. do_mccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  522. {
  523. unimplemented (cmdtp, flag, argc, argv);
  524. return 0;
  525. }
  526. /***************************************************/
  527. U_BOOT_CMD(
  528. siuinfo, 1, 1, do_siuinfo,
  529. "print System Interface Unit (SIU) registers",
  530. ""
  531. );
  532. U_BOOT_CMD(
  533. memcinfo, 1, 1, do_memcinfo,
  534. "print Memory Controller registers",
  535. ""
  536. );
  537. U_BOOT_CMD(
  538. sitinfo, 1, 1, do_sitinfo,
  539. "print System Integration Timers (SIT) registers",
  540. ""
  541. );
  542. #ifdef CONFIG_MPC8260
  543. U_BOOT_CMD(
  544. icinfo, 1, 1, do_icinfo,
  545. "print Interrupt Controller registers",
  546. ""
  547. );
  548. #endif
  549. U_BOOT_CMD(
  550. carinfo, 1, 1, do_carinfo,
  551. "print Clocks and Reset registers",
  552. ""
  553. );
  554. U_BOOT_CMD(
  555. iopinfo, 1, 1, do_iopinfo,
  556. "print I/O Port registers",
  557. ""
  558. );
  559. U_BOOT_CMD(
  560. iopset, 5, 0, do_iopset,
  561. "set I/O Port registers",
  562. "PORT PIN CMD VALUE\nPORT: A-D, PIN: 0-31, CMD: [dat|dir|odr|sor], VALUE: 0|1"
  563. );
  564. U_BOOT_CMD(
  565. dmainfo, 1, 1, do_dmainfo,
  566. "print SDMA/IDMA registers",
  567. ""
  568. );
  569. U_BOOT_CMD(
  570. fccinfo, 1, 1, do_fccinfo,
  571. "print FCC registers",
  572. ""
  573. );
  574. U_BOOT_CMD(
  575. brginfo, 1, 1, do_brginfo,
  576. "print Baud Rate Generator (BRG) registers",
  577. ""
  578. );
  579. U_BOOT_CMD(
  580. i2cinfo, 1, 1, do_i2cinfo,
  581. "print I2C registers",
  582. ""
  583. );
  584. U_BOOT_CMD(
  585. sccinfo, 1, 1, do_sccinfo,
  586. "print SCC registers",
  587. ""
  588. );
  589. U_BOOT_CMD(
  590. smcinfo, 1, 1, do_smcinfo,
  591. "print SMC registers",
  592. ""
  593. );
  594. U_BOOT_CMD(
  595. spiinfo, 1, 1, do_spiinfo,
  596. "print Serial Peripheral Interface (SPI) registers",
  597. ""
  598. );
  599. U_BOOT_CMD(
  600. muxinfo, 1, 1, do_muxinfo,
  601. "print CPM Multiplexing registers",
  602. ""
  603. );
  604. U_BOOT_CMD(
  605. siinfo, 1, 1, do_siinfo,
  606. "print Serial Interface (SI) registers",
  607. ""
  608. );
  609. U_BOOT_CMD(
  610. mccinfo, 1, 1, do_mccinfo,
  611. "print MCC registers",
  612. ""
  613. );
  614. #endif