uec.c 34 KB

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  1. /*
  2. * Copyright (C) 2006-2011 Freescale Semiconductor, Inc.
  3. *
  4. * Dave Liu <daveliu@freescale.com>
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License as
  8. * published by the Free Software Foundation; either version 2 of
  9. * the License, or (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19. * MA 02111-1307 USA
  20. */
  21. #include "common.h"
  22. #include "net.h"
  23. #include "malloc.h"
  24. #include "asm/errno.h"
  25. #include "asm/io.h"
  26. #include "asm/immap_qe.h"
  27. #include "qe.h"
  28. #include "uccf.h"
  29. #include "uec.h"
  30. #include "uec_phy.h"
  31. #include "miiphy.h"
  32. /* Default UTBIPAR SMI address */
  33. #ifndef CONFIG_UTBIPAR_INIT_TBIPA
  34. #define CONFIG_UTBIPAR_INIT_TBIPA 0x1F
  35. #endif
  36. static uec_info_t uec_info[] = {
  37. #ifdef CONFIG_UEC_ETH1
  38. STD_UEC_INFO(1), /* UEC1 */
  39. #endif
  40. #ifdef CONFIG_UEC_ETH2
  41. STD_UEC_INFO(2), /* UEC2 */
  42. #endif
  43. #ifdef CONFIG_UEC_ETH3
  44. STD_UEC_INFO(3), /* UEC3 */
  45. #endif
  46. #ifdef CONFIG_UEC_ETH4
  47. STD_UEC_INFO(4), /* UEC4 */
  48. #endif
  49. #ifdef CONFIG_UEC_ETH5
  50. STD_UEC_INFO(5), /* UEC5 */
  51. #endif
  52. #ifdef CONFIG_UEC_ETH6
  53. STD_UEC_INFO(6), /* UEC6 */
  54. #endif
  55. #ifdef CONFIG_UEC_ETH7
  56. STD_UEC_INFO(7), /* UEC7 */
  57. #endif
  58. #ifdef CONFIG_UEC_ETH8
  59. STD_UEC_INFO(8), /* UEC8 */
  60. #endif
  61. };
  62. #define MAXCONTROLLERS (8)
  63. static struct eth_device *devlist[MAXCONTROLLERS];
  64. static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode)
  65. {
  66. uec_t *uec_regs;
  67. u32 maccfg1;
  68. if (!uec) {
  69. printf("%s: uec not initial\n", __FUNCTION__);
  70. return -EINVAL;
  71. }
  72. uec_regs = uec->uec_regs;
  73. maccfg1 = in_be32(&uec_regs->maccfg1);
  74. if (mode & COMM_DIR_TX) {
  75. maccfg1 |= MACCFG1_ENABLE_TX;
  76. out_be32(&uec_regs->maccfg1, maccfg1);
  77. uec->mac_tx_enabled = 1;
  78. }
  79. if (mode & COMM_DIR_RX) {
  80. maccfg1 |= MACCFG1_ENABLE_RX;
  81. out_be32(&uec_regs->maccfg1, maccfg1);
  82. uec->mac_rx_enabled = 1;
  83. }
  84. return 0;
  85. }
  86. static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode)
  87. {
  88. uec_t *uec_regs;
  89. u32 maccfg1;
  90. if (!uec) {
  91. printf("%s: uec not initial\n", __FUNCTION__);
  92. return -EINVAL;
  93. }
  94. uec_regs = uec->uec_regs;
  95. maccfg1 = in_be32(&uec_regs->maccfg1);
  96. if (mode & COMM_DIR_TX) {
  97. maccfg1 &= ~MACCFG1_ENABLE_TX;
  98. out_be32(&uec_regs->maccfg1, maccfg1);
  99. uec->mac_tx_enabled = 0;
  100. }
  101. if (mode & COMM_DIR_RX) {
  102. maccfg1 &= ~MACCFG1_ENABLE_RX;
  103. out_be32(&uec_regs->maccfg1, maccfg1);
  104. uec->mac_rx_enabled = 0;
  105. }
  106. return 0;
  107. }
  108. static int uec_graceful_stop_tx(uec_private_t *uec)
  109. {
  110. ucc_fast_t *uf_regs;
  111. u32 cecr_subblock;
  112. u32 ucce;
  113. if (!uec || !uec->uccf) {
  114. printf("%s: No handle passed.\n", __FUNCTION__);
  115. return -EINVAL;
  116. }
  117. uf_regs = uec->uccf->uf_regs;
  118. /* Clear the grace stop event */
  119. out_be32(&uf_regs->ucce, UCCE_GRA);
  120. /* Issue host command */
  121. cecr_subblock =
  122. ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
  123. qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
  124. (u8)QE_CR_PROTOCOL_ETHERNET, 0);
  125. /* Wait for command to complete */
  126. do {
  127. ucce = in_be32(&uf_regs->ucce);
  128. } while (! (ucce & UCCE_GRA));
  129. uec->grace_stopped_tx = 1;
  130. return 0;
  131. }
  132. static int uec_graceful_stop_rx(uec_private_t *uec)
  133. {
  134. u32 cecr_subblock;
  135. u8 ack;
  136. if (!uec) {
  137. printf("%s: No handle passed.\n", __FUNCTION__);
  138. return -EINVAL;
  139. }
  140. if (!uec->p_rx_glbl_pram) {
  141. printf("%s: No init rx global parameter\n", __FUNCTION__);
  142. return -EINVAL;
  143. }
  144. /* Clear acknowledge bit */
  145. ack = uec->p_rx_glbl_pram->rxgstpack;
  146. ack &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
  147. uec->p_rx_glbl_pram->rxgstpack = ack;
  148. /* Keep issuing cmd and checking ack bit until it is asserted */
  149. do {
  150. /* Issue host command */
  151. cecr_subblock =
  152. ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
  153. qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
  154. (u8)QE_CR_PROTOCOL_ETHERNET, 0);
  155. ack = uec->p_rx_glbl_pram->rxgstpack;
  156. } while (! (ack & GRACEFUL_STOP_ACKNOWLEDGE_RX ));
  157. uec->grace_stopped_rx = 1;
  158. return 0;
  159. }
  160. static int uec_restart_tx(uec_private_t *uec)
  161. {
  162. u32 cecr_subblock;
  163. if (!uec || !uec->uec_info) {
  164. printf("%s: No handle passed.\n", __FUNCTION__);
  165. return -EINVAL;
  166. }
  167. cecr_subblock =
  168. ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
  169. qe_issue_cmd(QE_RESTART_TX, cecr_subblock,
  170. (u8)QE_CR_PROTOCOL_ETHERNET, 0);
  171. uec->grace_stopped_tx = 0;
  172. return 0;
  173. }
  174. static int uec_restart_rx(uec_private_t *uec)
  175. {
  176. u32 cecr_subblock;
  177. if (!uec || !uec->uec_info) {
  178. printf("%s: No handle passed.\n", __FUNCTION__);
  179. return -EINVAL;
  180. }
  181. cecr_subblock =
  182. ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
  183. qe_issue_cmd(QE_RESTART_RX, cecr_subblock,
  184. (u8)QE_CR_PROTOCOL_ETHERNET, 0);
  185. uec->grace_stopped_rx = 0;
  186. return 0;
  187. }
  188. static int uec_open(uec_private_t *uec, comm_dir_e mode)
  189. {
  190. ucc_fast_private_t *uccf;
  191. if (!uec || !uec->uccf) {
  192. printf("%s: No handle passed.\n", __FUNCTION__);
  193. return -EINVAL;
  194. }
  195. uccf = uec->uccf;
  196. /* check if the UCC number is in range. */
  197. if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
  198. printf("%s: ucc_num out of range.\n", __FUNCTION__);
  199. return -EINVAL;
  200. }
  201. /* Enable MAC */
  202. uec_mac_enable(uec, mode);
  203. /* Enable UCC fast */
  204. ucc_fast_enable(uccf, mode);
  205. /* RISC microcode start */
  206. if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) {
  207. uec_restart_tx(uec);
  208. }
  209. if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) {
  210. uec_restart_rx(uec);
  211. }
  212. return 0;
  213. }
  214. static int uec_stop(uec_private_t *uec, comm_dir_e mode)
  215. {
  216. ucc_fast_private_t *uccf;
  217. if (!uec || !uec->uccf) {
  218. printf("%s: No handle passed.\n", __FUNCTION__);
  219. return -EINVAL;
  220. }
  221. uccf = uec->uccf;
  222. /* check if the UCC number is in range. */
  223. if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
  224. printf("%s: ucc_num out of range.\n", __FUNCTION__);
  225. return -EINVAL;
  226. }
  227. /* Stop any transmissions */
  228. if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) {
  229. uec_graceful_stop_tx(uec);
  230. }
  231. /* Stop any receptions */
  232. if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) {
  233. uec_graceful_stop_rx(uec);
  234. }
  235. /* Disable the UCC fast */
  236. ucc_fast_disable(uec->uccf, mode);
  237. /* Disable the MAC */
  238. uec_mac_disable(uec, mode);
  239. return 0;
  240. }
  241. static int uec_set_mac_duplex(uec_private_t *uec, int duplex)
  242. {
  243. uec_t *uec_regs;
  244. u32 maccfg2;
  245. if (!uec) {
  246. printf("%s: uec not initial\n", __FUNCTION__);
  247. return -EINVAL;
  248. }
  249. uec_regs = uec->uec_regs;
  250. if (duplex == DUPLEX_HALF) {
  251. maccfg2 = in_be32(&uec_regs->maccfg2);
  252. maccfg2 &= ~MACCFG2_FDX;
  253. out_be32(&uec_regs->maccfg2, maccfg2);
  254. }
  255. if (duplex == DUPLEX_FULL) {
  256. maccfg2 = in_be32(&uec_regs->maccfg2);
  257. maccfg2 |= MACCFG2_FDX;
  258. out_be32(&uec_regs->maccfg2, maccfg2);
  259. }
  260. return 0;
  261. }
  262. static int uec_set_mac_if_mode(uec_private_t *uec,
  263. enum fsl_phy_enet_if if_mode, int speed)
  264. {
  265. enum fsl_phy_enet_if enet_if_mode;
  266. uec_info_t *uec_info;
  267. uec_t *uec_regs;
  268. u32 upsmr;
  269. u32 maccfg2;
  270. if (!uec) {
  271. printf("%s: uec not initial\n", __FUNCTION__);
  272. return -EINVAL;
  273. }
  274. uec_info = uec->uec_info;
  275. uec_regs = uec->uec_regs;
  276. enet_if_mode = if_mode;
  277. maccfg2 = in_be32(&uec_regs->maccfg2);
  278. maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
  279. upsmr = in_be32(&uec->uccf->uf_regs->upsmr);
  280. upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM);
  281. switch (speed) {
  282. case 10:
  283. maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
  284. switch (enet_if_mode) {
  285. case MII:
  286. break;
  287. case RGMII:
  288. upsmr |= (UPSMR_RPM | UPSMR_R10M);
  289. break;
  290. case RMII:
  291. upsmr |= (UPSMR_R10M | UPSMR_RMM);
  292. break;
  293. default:
  294. return -EINVAL;
  295. break;
  296. }
  297. break;
  298. case 100:
  299. maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
  300. switch (enet_if_mode) {
  301. case MII:
  302. break;
  303. case RGMII:
  304. upsmr |= UPSMR_RPM;
  305. break;
  306. case RMII:
  307. upsmr |= UPSMR_RMM;
  308. break;
  309. default:
  310. return -EINVAL;
  311. break;
  312. }
  313. break;
  314. case 1000:
  315. maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
  316. switch (enet_if_mode) {
  317. case GMII:
  318. break;
  319. case TBI:
  320. upsmr |= UPSMR_TBIM;
  321. break;
  322. case RTBI:
  323. upsmr |= (UPSMR_RPM | UPSMR_TBIM);
  324. break;
  325. case RGMII_RXID:
  326. case RGMII_ID:
  327. case RGMII:
  328. upsmr |= UPSMR_RPM;
  329. break;
  330. case SGMII:
  331. upsmr |= UPSMR_SGMM;
  332. break;
  333. default:
  334. return -EINVAL;
  335. break;
  336. }
  337. break;
  338. default:
  339. return -EINVAL;
  340. break;
  341. }
  342. out_be32(&uec_regs->maccfg2, maccfg2);
  343. out_be32(&uec->uccf->uf_regs->upsmr, upsmr);
  344. return 0;
  345. }
  346. static int init_mii_management_configuration(uec_mii_t *uec_mii_regs)
  347. {
  348. uint timeout = 0x1000;
  349. u32 miimcfg = 0;
  350. miimcfg = in_be32(&uec_mii_regs->miimcfg);
  351. miimcfg |= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE;
  352. out_be32(&uec_mii_regs->miimcfg, miimcfg);
  353. /* Wait until the bus is free */
  354. while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--);
  355. if (timeout <= 0) {
  356. printf("%s: The MII Bus is stuck!", __FUNCTION__);
  357. return -ETIMEDOUT;
  358. }
  359. return 0;
  360. }
  361. static int init_phy(struct eth_device *dev)
  362. {
  363. uec_private_t *uec;
  364. uec_mii_t *umii_regs;
  365. struct uec_mii_info *mii_info;
  366. struct phy_info *curphy;
  367. int err;
  368. uec = (uec_private_t *)dev->priv;
  369. umii_regs = uec->uec_mii_regs;
  370. uec->oldlink = 0;
  371. uec->oldspeed = 0;
  372. uec->oldduplex = -1;
  373. mii_info = malloc(sizeof(*mii_info));
  374. if (!mii_info) {
  375. printf("%s: Could not allocate mii_info", dev->name);
  376. return -ENOMEM;
  377. }
  378. memset(mii_info, 0, sizeof(*mii_info));
  379. if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
  380. mii_info->speed = SPEED_1000;
  381. } else {
  382. mii_info->speed = SPEED_100;
  383. }
  384. mii_info->duplex = DUPLEX_FULL;
  385. mii_info->pause = 0;
  386. mii_info->link = 1;
  387. mii_info->advertising = (ADVERTISED_10baseT_Half |
  388. ADVERTISED_10baseT_Full |
  389. ADVERTISED_100baseT_Half |
  390. ADVERTISED_100baseT_Full |
  391. ADVERTISED_1000baseT_Full);
  392. mii_info->autoneg = 1;
  393. mii_info->mii_id = uec->uec_info->phy_address;
  394. mii_info->dev = dev;
  395. mii_info->mdio_read = &uec_read_phy_reg;
  396. mii_info->mdio_write = &uec_write_phy_reg;
  397. uec->mii_info = mii_info;
  398. qe_set_mii_clk_src(uec->uec_info->uf_info.ucc_num);
  399. if (init_mii_management_configuration(umii_regs)) {
  400. printf("%s: The MII Bus is stuck!", dev->name);
  401. err = -1;
  402. goto bus_fail;
  403. }
  404. /* get info for this PHY */
  405. curphy = uec_get_phy_info(uec->mii_info);
  406. if (!curphy) {
  407. printf("%s: No PHY found", dev->name);
  408. err = -1;
  409. goto no_phy;
  410. }
  411. mii_info->phyinfo = curphy;
  412. /* Run the commands which initialize the PHY */
  413. if (curphy->init) {
  414. err = curphy->init(uec->mii_info);
  415. if (err)
  416. goto phy_init_fail;
  417. }
  418. return 0;
  419. phy_init_fail:
  420. no_phy:
  421. bus_fail:
  422. free(mii_info);
  423. return err;
  424. }
  425. static void adjust_link(struct eth_device *dev)
  426. {
  427. uec_private_t *uec = (uec_private_t *)dev->priv;
  428. uec_t *uec_regs;
  429. struct uec_mii_info *mii_info = uec->mii_info;
  430. extern void change_phy_interface_mode(struct eth_device *dev,
  431. enum fsl_phy_enet_if mode, int speed);
  432. uec_regs = uec->uec_regs;
  433. if (mii_info->link) {
  434. /* Now we make sure that we can be in full duplex mode.
  435. * If not, we operate in half-duplex mode. */
  436. if (mii_info->duplex != uec->oldduplex) {
  437. if (!(mii_info->duplex)) {
  438. uec_set_mac_duplex(uec, DUPLEX_HALF);
  439. printf("%s: Half Duplex\n", dev->name);
  440. } else {
  441. uec_set_mac_duplex(uec, DUPLEX_FULL);
  442. printf("%s: Full Duplex\n", dev->name);
  443. }
  444. uec->oldduplex = mii_info->duplex;
  445. }
  446. if (mii_info->speed != uec->oldspeed) {
  447. enum fsl_phy_enet_if mode = \
  448. uec->uec_info->enet_interface_type;
  449. if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
  450. switch (mii_info->speed) {
  451. case 1000:
  452. break;
  453. case 100:
  454. printf ("switching to rgmii 100\n");
  455. mode = RGMII;
  456. break;
  457. case 10:
  458. printf ("switching to rgmii 10\n");
  459. mode = RGMII;
  460. break;
  461. default:
  462. printf("%s: Ack,Speed(%d)is illegal\n",
  463. dev->name, mii_info->speed);
  464. break;
  465. }
  466. }
  467. /* change phy */
  468. change_phy_interface_mode(dev, mode, mii_info->speed);
  469. /* change the MAC interface mode */
  470. uec_set_mac_if_mode(uec, mode, mii_info->speed);
  471. printf("%s: Speed %dBT\n", dev->name, mii_info->speed);
  472. uec->oldspeed = mii_info->speed;
  473. }
  474. if (!uec->oldlink) {
  475. printf("%s: Link is up\n", dev->name);
  476. uec->oldlink = 1;
  477. }
  478. } else { /* if (mii_info->link) */
  479. if (uec->oldlink) {
  480. printf("%s: Link is down\n", dev->name);
  481. uec->oldlink = 0;
  482. uec->oldspeed = 0;
  483. uec->oldduplex = -1;
  484. }
  485. }
  486. }
  487. static void phy_change(struct eth_device *dev)
  488. {
  489. uec_private_t *uec = (uec_private_t *)dev->priv;
  490. #if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
  491. defined(CONFIG_P1021) || defined(CONFIG_P1025)
  492. ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  493. /* QE9 and QE12 need to be set for enabling QE MII managment signals */
  494. setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9);
  495. setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
  496. #endif
  497. /* Update the link, speed, duplex */
  498. uec->mii_info->phyinfo->read_status(uec->mii_info);
  499. #if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
  500. defined(CONFIG_P1021) || defined(CONFIG_P1025)
  501. /*
  502. * QE12 is muxed with LBCTL, it needs to be released for enabling
  503. * LBCTL signal for LBC usage.
  504. */
  505. clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
  506. #endif
  507. /* Adjust the interface according to speed */
  508. adjust_link(dev);
  509. }
  510. #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
  511. /*
  512. * Find a device index from the devlist by name
  513. *
  514. * Returns:
  515. * The index where the device is located, -1 on error
  516. */
  517. static int uec_miiphy_find_dev_by_name(const char *devname)
  518. {
  519. int i;
  520. for (i = 0; i < MAXCONTROLLERS; i++) {
  521. if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) {
  522. break;
  523. }
  524. }
  525. /* If device cannot be found, returns -1 */
  526. if (i == MAXCONTROLLERS) {
  527. debug ("%s: device %s not found in devlist\n", __FUNCTION__, devname);
  528. i = -1;
  529. }
  530. return i;
  531. }
  532. /*
  533. * Read a MII PHY register.
  534. *
  535. * Returns:
  536. * 0 on success
  537. */
  538. static int uec_miiphy_read(const char *devname, unsigned char addr,
  539. unsigned char reg, unsigned short *value)
  540. {
  541. int devindex = 0;
  542. if (devname == NULL || value == NULL) {
  543. debug("%s: NULL pointer given\n", __FUNCTION__);
  544. } else {
  545. devindex = uec_miiphy_find_dev_by_name(devname);
  546. if (devindex >= 0) {
  547. *value = uec_read_phy_reg(devlist[devindex], addr, reg);
  548. }
  549. }
  550. return 0;
  551. }
  552. /*
  553. * Write a MII PHY register.
  554. *
  555. * Returns:
  556. * 0 on success
  557. */
  558. static int uec_miiphy_write(const char *devname, unsigned char addr,
  559. unsigned char reg, unsigned short value)
  560. {
  561. int devindex = 0;
  562. if (devname == NULL) {
  563. debug("%s: NULL pointer given\n", __FUNCTION__);
  564. } else {
  565. devindex = uec_miiphy_find_dev_by_name(devname);
  566. if (devindex >= 0) {
  567. uec_write_phy_reg(devlist[devindex], addr, reg, value);
  568. }
  569. }
  570. return 0;
  571. }
  572. #endif
  573. static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr)
  574. {
  575. uec_t *uec_regs;
  576. u32 mac_addr1;
  577. u32 mac_addr2;
  578. if (!uec) {
  579. printf("%s: uec not initial\n", __FUNCTION__);
  580. return -EINVAL;
  581. }
  582. uec_regs = uec->uec_regs;
  583. /* if a station address of 0x12345678ABCD, perform a write to
  584. MACSTNADDR1 of 0xCDAB7856,
  585. MACSTNADDR2 of 0x34120000 */
  586. mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \
  587. (mac_addr[3] << 8) | (mac_addr[2]);
  588. out_be32(&uec_regs->macstnaddr1, mac_addr1);
  589. mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000;
  590. out_be32(&uec_regs->macstnaddr2, mac_addr2);
  591. return 0;
  592. }
  593. static int uec_convert_threads_num(uec_num_of_threads_e threads_num,
  594. int *threads_num_ret)
  595. {
  596. int num_threads_numerica;
  597. switch (threads_num) {
  598. case UEC_NUM_OF_THREADS_1:
  599. num_threads_numerica = 1;
  600. break;
  601. case UEC_NUM_OF_THREADS_2:
  602. num_threads_numerica = 2;
  603. break;
  604. case UEC_NUM_OF_THREADS_4:
  605. num_threads_numerica = 4;
  606. break;
  607. case UEC_NUM_OF_THREADS_6:
  608. num_threads_numerica = 6;
  609. break;
  610. case UEC_NUM_OF_THREADS_8:
  611. num_threads_numerica = 8;
  612. break;
  613. default:
  614. printf("%s: Bad number of threads value.",
  615. __FUNCTION__);
  616. return -EINVAL;
  617. }
  618. *threads_num_ret = num_threads_numerica;
  619. return 0;
  620. }
  621. static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx)
  622. {
  623. uec_info_t *uec_info;
  624. u32 end_bd;
  625. u8 bmrx = 0;
  626. int i;
  627. uec_info = uec->uec_info;
  628. /* Alloc global Tx parameter RAM page */
  629. uec->tx_glbl_pram_offset = qe_muram_alloc(
  630. sizeof(uec_tx_global_pram_t),
  631. UEC_TX_GLOBAL_PRAM_ALIGNMENT);
  632. uec->p_tx_glbl_pram = (uec_tx_global_pram_t *)
  633. qe_muram_addr(uec->tx_glbl_pram_offset);
  634. /* Zero the global Tx prameter RAM */
  635. memset(uec->p_tx_glbl_pram, 0, sizeof(uec_tx_global_pram_t));
  636. /* Init global Tx parameter RAM */
  637. /* TEMODER, RMON statistics disable, one Tx queue */
  638. out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE);
  639. /* SQPTR */
  640. uec->send_q_mem_reg_offset = qe_muram_alloc(
  641. sizeof(uec_send_queue_qd_t),
  642. UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
  643. uec->p_send_q_mem_reg = (uec_send_queue_mem_region_t *)
  644. qe_muram_addr(uec->send_q_mem_reg_offset);
  645. out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset);
  646. /* Setup the table with TxBDs ring */
  647. end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1)
  648. * SIZEOFBD;
  649. out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base,
  650. (u32)(uec->p_tx_bd_ring));
  651. out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address,
  652. end_bd);
  653. /* Scheduler Base Pointer, we have only one Tx queue, no need it */
  654. out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0);
  655. /* TxRMON Base Pointer, TxRMON disable, we don't need it */
  656. out_be32(&uec->p_tx_glbl_pram->txrmonbaseptr, 0);
  657. /* TSTATE, global snooping, big endian, the CSB bus selected */
  658. bmrx = BMR_INIT_VALUE;
  659. out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT));
  660. /* IPH_Offset */
  661. for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) {
  662. out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0);
  663. }
  664. /* VTAG table */
  665. for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) {
  666. out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0);
  667. }
  668. /* TQPTR */
  669. uec->thread_dat_tx_offset = qe_muram_alloc(
  670. num_threads_tx * sizeof(uec_thread_data_tx_t) +
  671. 32 *(num_threads_tx == 1), UEC_THREAD_DATA_ALIGNMENT);
  672. uec->p_thread_data_tx = (uec_thread_data_tx_t *)
  673. qe_muram_addr(uec->thread_dat_tx_offset);
  674. out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset);
  675. }
  676. static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx)
  677. {
  678. u8 bmrx = 0;
  679. int i;
  680. uec_82xx_address_filtering_pram_t *p_af_pram;
  681. /* Allocate global Rx parameter RAM page */
  682. uec->rx_glbl_pram_offset = qe_muram_alloc(
  683. sizeof(uec_rx_global_pram_t), UEC_RX_GLOBAL_PRAM_ALIGNMENT);
  684. uec->p_rx_glbl_pram = (uec_rx_global_pram_t *)
  685. qe_muram_addr(uec->rx_glbl_pram_offset);
  686. /* Zero Global Rx parameter RAM */
  687. memset(uec->p_rx_glbl_pram, 0, sizeof(uec_rx_global_pram_t));
  688. /* Init global Rx parameter RAM */
  689. /* REMODER, Extended feature mode disable, VLAN disable,
  690. LossLess flow control disable, Receive firmware statisic disable,
  691. Extended address parsing mode disable, One Rx queues,
  692. Dynamic maximum/minimum frame length disable, IP checksum check
  693. disable, IP address alignment disable
  694. */
  695. out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE);
  696. /* RQPTR */
  697. uec->thread_dat_rx_offset = qe_muram_alloc(
  698. num_threads_rx * sizeof(uec_thread_data_rx_t),
  699. UEC_THREAD_DATA_ALIGNMENT);
  700. uec->p_thread_data_rx = (uec_thread_data_rx_t *)
  701. qe_muram_addr(uec->thread_dat_rx_offset);
  702. out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset);
  703. /* Type_or_Len */
  704. out_be16(&uec->p_rx_glbl_pram->typeorlen, 3072);
  705. /* RxRMON base pointer, we don't need it */
  706. out_be32(&uec->p_rx_glbl_pram->rxrmonbaseptr, 0);
  707. /* IntCoalescingPTR, we don't need it, no interrupt */
  708. out_be32(&uec->p_rx_glbl_pram->intcoalescingptr, 0);
  709. /* RSTATE, global snooping, big endian, the CSB bus selected */
  710. bmrx = BMR_INIT_VALUE;
  711. out_8(&uec->p_rx_glbl_pram->rstate, bmrx);
  712. /* MRBLR */
  713. out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN);
  714. /* RBDQPTR */
  715. uec->rx_bd_qs_tbl_offset = qe_muram_alloc(
  716. sizeof(uec_rx_bd_queues_entry_t) + \
  717. sizeof(uec_rx_prefetched_bds_t),
  718. UEC_RX_BD_QUEUES_ALIGNMENT);
  719. uec->p_rx_bd_qs_tbl = (uec_rx_bd_queues_entry_t *)
  720. qe_muram_addr(uec->rx_bd_qs_tbl_offset);
  721. /* Zero it */
  722. memset(uec->p_rx_bd_qs_tbl, 0, sizeof(uec_rx_bd_queues_entry_t) + \
  723. sizeof(uec_rx_prefetched_bds_t));
  724. out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset);
  725. out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr,
  726. (u32)uec->p_rx_bd_ring);
  727. /* MFLR */
  728. out_be16(&uec->p_rx_glbl_pram->mflr, MAX_FRAME_LEN);
  729. /* MINFLR */
  730. out_be16(&uec->p_rx_glbl_pram->minflr, MIN_FRAME_LEN);
  731. /* MAXD1 */
  732. out_be16(&uec->p_rx_glbl_pram->maxd1, MAX_DMA1_LEN);
  733. /* MAXD2 */
  734. out_be16(&uec->p_rx_glbl_pram->maxd2, MAX_DMA2_LEN);
  735. /* ECAM_PTR */
  736. out_be32(&uec->p_rx_glbl_pram->ecamptr, 0);
  737. /* L2QT */
  738. out_be32(&uec->p_rx_glbl_pram->l2qt, 0);
  739. /* L3QT */
  740. for (i = 0; i < 8; i++) {
  741. out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0);
  742. }
  743. /* VLAN_TYPE */
  744. out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100);
  745. /* TCI */
  746. out_be16(&uec->p_rx_glbl_pram->vlantci, 0);
  747. /* Clear PQ2 style address filtering hash table */
  748. p_af_pram = (uec_82xx_address_filtering_pram_t *) \
  749. uec->p_rx_glbl_pram->addressfiltering;
  750. p_af_pram->iaddr_h = 0;
  751. p_af_pram->iaddr_l = 0;
  752. p_af_pram->gaddr_h = 0;
  753. p_af_pram->gaddr_l = 0;
  754. }
  755. static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec,
  756. int thread_tx, int thread_rx)
  757. {
  758. uec_init_cmd_pram_t *p_init_enet_param;
  759. u32 init_enet_param_offset;
  760. uec_info_t *uec_info;
  761. int i;
  762. int snum;
  763. u32 init_enet_offset;
  764. u32 entry_val;
  765. u32 command;
  766. u32 cecr_subblock;
  767. uec_info = uec->uec_info;
  768. /* Allocate init enet command parameter */
  769. uec->init_enet_param_offset = qe_muram_alloc(
  770. sizeof(uec_init_cmd_pram_t), 4);
  771. init_enet_param_offset = uec->init_enet_param_offset;
  772. uec->p_init_enet_param = (uec_init_cmd_pram_t *)
  773. qe_muram_addr(uec->init_enet_param_offset);
  774. /* Zero init enet command struct */
  775. memset((void *)uec->p_init_enet_param, 0, sizeof(uec_init_cmd_pram_t));
  776. /* Init the command struct */
  777. p_init_enet_param = uec->p_init_enet_param;
  778. p_init_enet_param->resinit0 = ENET_INIT_PARAM_MAGIC_RES_INIT0;
  779. p_init_enet_param->resinit1 = ENET_INIT_PARAM_MAGIC_RES_INIT1;
  780. p_init_enet_param->resinit2 = ENET_INIT_PARAM_MAGIC_RES_INIT2;
  781. p_init_enet_param->resinit3 = ENET_INIT_PARAM_MAGIC_RES_INIT3;
  782. p_init_enet_param->resinit4 = ENET_INIT_PARAM_MAGIC_RES_INIT4;
  783. p_init_enet_param->largestexternallookupkeysize = 0;
  784. p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_rx)
  785. << ENET_INIT_PARAM_RGF_SHIFT;
  786. p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_tx)
  787. << ENET_INIT_PARAM_TGF_SHIFT;
  788. /* Init Rx global parameter pointer */
  789. p_init_enet_param->rgftgfrxglobal |= uec->rx_glbl_pram_offset |
  790. (u32)uec_info->risc_rx;
  791. /* Init Rx threads */
  792. for (i = 0; i < (thread_rx + 1); i++) {
  793. if ((snum = qe_get_snum()) < 0) {
  794. printf("%s can not get snum\n", __FUNCTION__);
  795. return -ENOMEM;
  796. }
  797. if (i==0) {
  798. init_enet_offset = 0;
  799. } else {
  800. init_enet_offset = qe_muram_alloc(
  801. sizeof(uec_thread_rx_pram_t),
  802. UEC_THREAD_RX_PRAM_ALIGNMENT);
  803. }
  804. entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
  805. init_enet_offset | (u32)uec_info->risc_rx;
  806. p_init_enet_param->rxthread[i] = entry_val;
  807. }
  808. /* Init Tx global parameter pointer */
  809. p_init_enet_param->txglobal = uec->tx_glbl_pram_offset |
  810. (u32)uec_info->risc_tx;
  811. /* Init Tx threads */
  812. for (i = 0; i < thread_tx; i++) {
  813. if ((snum = qe_get_snum()) < 0) {
  814. printf("%s can not get snum\n", __FUNCTION__);
  815. return -ENOMEM;
  816. }
  817. init_enet_offset = qe_muram_alloc(sizeof(uec_thread_tx_pram_t),
  818. UEC_THREAD_TX_PRAM_ALIGNMENT);
  819. entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
  820. init_enet_offset | (u32)uec_info->risc_tx;
  821. p_init_enet_param->txthread[i] = entry_val;
  822. }
  823. __asm__ __volatile__("sync");
  824. /* Issue QE command */
  825. command = QE_INIT_TX_RX;
  826. cecr_subblock = ucc_fast_get_qe_cr_subblock(
  827. uec->uec_info->uf_info.ucc_num);
  828. qe_issue_cmd(command, cecr_subblock, (u8) QE_CR_PROTOCOL_ETHERNET,
  829. init_enet_param_offset);
  830. return 0;
  831. }
  832. static int uec_startup(uec_private_t *uec)
  833. {
  834. uec_info_t *uec_info;
  835. ucc_fast_info_t *uf_info;
  836. ucc_fast_private_t *uccf;
  837. ucc_fast_t *uf_regs;
  838. uec_t *uec_regs;
  839. int num_threads_tx;
  840. int num_threads_rx;
  841. u32 utbipar;
  842. u32 length;
  843. u32 align;
  844. qe_bd_t *bd;
  845. u8 *buf;
  846. int i;
  847. if (!uec || !uec->uec_info) {
  848. printf("%s: uec or uec_info not initial\n", __FUNCTION__);
  849. return -EINVAL;
  850. }
  851. uec_info = uec->uec_info;
  852. uf_info = &(uec_info->uf_info);
  853. /* Check if Rx BD ring len is illegal */
  854. if ((uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN) || \
  855. (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) {
  856. printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n",
  857. __FUNCTION__);
  858. return -EINVAL;
  859. }
  860. /* Check if Tx BD ring len is illegal */
  861. if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) {
  862. printf("%s: Tx BD ring length must not be smaller than 2.\n",
  863. __FUNCTION__);
  864. return -EINVAL;
  865. }
  866. /* Check if MRBLR is illegal */
  867. if ((MAX_RXBUF_LEN == 0) || (MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT)) {
  868. printf("%s: max rx buffer length must be mutliple of 128.\n",
  869. __FUNCTION__);
  870. return -EINVAL;
  871. }
  872. /* Both Rx and Tx are stopped */
  873. uec->grace_stopped_rx = 1;
  874. uec->grace_stopped_tx = 1;
  875. /* Init UCC fast */
  876. if (ucc_fast_init(uf_info, &uccf)) {
  877. printf("%s: failed to init ucc fast\n", __FUNCTION__);
  878. return -ENOMEM;
  879. }
  880. /* Save uccf */
  881. uec->uccf = uccf;
  882. /* Convert the Tx threads number */
  883. if (uec_convert_threads_num(uec_info->num_threads_tx,
  884. &num_threads_tx)) {
  885. return -EINVAL;
  886. }
  887. /* Convert the Rx threads number */
  888. if (uec_convert_threads_num(uec_info->num_threads_rx,
  889. &num_threads_rx)) {
  890. return -EINVAL;
  891. }
  892. uf_regs = uccf->uf_regs;
  893. /* UEC register is following UCC fast registers */
  894. uec_regs = (uec_t *)(&uf_regs->ucc_eth);
  895. /* Save the UEC register pointer to UEC private struct */
  896. uec->uec_regs = uec_regs;
  897. /* Init UPSMR, enable hardware statistics (UCC) */
  898. out_be32(&uec->uccf->uf_regs->upsmr, UPSMR_INIT_VALUE);
  899. /* Init MACCFG1, flow control disable, disable Tx and Rx */
  900. out_be32(&uec_regs->maccfg1, MACCFG1_INIT_VALUE);
  901. /* Init MACCFG2, length check, MAC PAD and CRC enable */
  902. out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE);
  903. /* Setup MAC interface mode */
  904. uec_set_mac_if_mode(uec, uec_info->enet_interface_type, uec_info->speed);
  905. /* Setup MII management base */
  906. #ifndef CONFIG_eTSEC_MDIO_BUS
  907. uec->uec_mii_regs = (uec_mii_t *)(&uec_regs->miimcfg);
  908. #else
  909. uec->uec_mii_regs = (uec_mii_t *) CONFIG_MIIM_ADDRESS;
  910. #endif
  911. /* Setup MII master clock source */
  912. qe_set_mii_clk_src(uec_info->uf_info.ucc_num);
  913. /* Setup UTBIPAR */
  914. utbipar = in_be32(&uec_regs->utbipar);
  915. utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
  916. /* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC.
  917. * This frees up the remaining SMI addresses for use.
  918. */
  919. utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT;
  920. out_be32(&uec_regs->utbipar, utbipar);
  921. /* Configure the TBI for SGMII operation */
  922. if ((uec->uec_info->enet_interface_type == SGMII) &&
  923. (uec->uec_info->speed == 1000)) {
  924. uec_write_phy_reg(uec->dev, uec_regs->utbipar,
  925. ENET_TBI_MII_ANA, TBIANA_SETTINGS);
  926. uec_write_phy_reg(uec->dev, uec_regs->utbipar,
  927. ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
  928. uec_write_phy_reg(uec->dev, uec_regs->utbipar,
  929. ENET_TBI_MII_CR, TBICR_SETTINGS);
  930. }
  931. /* Allocate Tx BDs */
  932. length = ((uec_info->tx_bd_ring_len * SIZEOFBD) /
  933. UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) *
  934. UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
  935. if ((uec_info->tx_bd_ring_len * SIZEOFBD) %
  936. UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) {
  937. length += UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
  938. }
  939. align = UEC_TX_BD_RING_ALIGNMENT;
  940. uec->tx_bd_ring_offset = (u32)malloc((u32)(length + align));
  941. if (uec->tx_bd_ring_offset != 0) {
  942. uec->p_tx_bd_ring = (u8 *)((uec->tx_bd_ring_offset + align)
  943. & ~(align - 1));
  944. }
  945. /* Zero all of Tx BDs */
  946. memset((void *)(uec->tx_bd_ring_offset), 0, length + align);
  947. /* Allocate Rx BDs */
  948. length = uec_info->rx_bd_ring_len * SIZEOFBD;
  949. align = UEC_RX_BD_RING_ALIGNMENT;
  950. uec->rx_bd_ring_offset = (u32)(malloc((u32)(length + align)));
  951. if (uec->rx_bd_ring_offset != 0) {
  952. uec->p_rx_bd_ring = (u8 *)((uec->rx_bd_ring_offset + align)
  953. & ~(align - 1));
  954. }
  955. /* Zero all of Rx BDs */
  956. memset((void *)(uec->rx_bd_ring_offset), 0, length + align);
  957. /* Allocate Rx buffer */
  958. length = uec_info->rx_bd_ring_len * MAX_RXBUF_LEN;
  959. align = UEC_RX_DATA_BUF_ALIGNMENT;
  960. uec->rx_buf_offset = (u32)malloc(length + align);
  961. if (uec->rx_buf_offset != 0) {
  962. uec->p_rx_buf = (u8 *)((uec->rx_buf_offset + align)
  963. & ~(align - 1));
  964. }
  965. /* Zero all of the Rx buffer */
  966. memset((void *)(uec->rx_buf_offset), 0, length + align);
  967. /* Init TxBD ring */
  968. bd = (qe_bd_t *)uec->p_tx_bd_ring;
  969. uec->txBd = bd;
  970. for (i = 0; i < uec_info->tx_bd_ring_len; i++) {
  971. BD_DATA_CLEAR(bd);
  972. BD_STATUS_SET(bd, 0);
  973. BD_LENGTH_SET(bd, 0);
  974. bd ++;
  975. }
  976. BD_STATUS_SET((--bd), TxBD_WRAP);
  977. /* Init RxBD ring */
  978. bd = (qe_bd_t *)uec->p_rx_bd_ring;
  979. uec->rxBd = bd;
  980. buf = uec->p_rx_buf;
  981. for (i = 0; i < uec_info->rx_bd_ring_len; i++) {
  982. BD_DATA_SET(bd, buf);
  983. BD_LENGTH_SET(bd, 0);
  984. BD_STATUS_SET(bd, RxBD_EMPTY);
  985. buf += MAX_RXBUF_LEN;
  986. bd ++;
  987. }
  988. BD_STATUS_SET((--bd), RxBD_WRAP | RxBD_EMPTY);
  989. /* Init global Tx parameter RAM */
  990. uec_init_tx_parameter(uec, num_threads_tx);
  991. /* Init global Rx parameter RAM */
  992. uec_init_rx_parameter(uec, num_threads_rx);
  993. /* Init ethernet Tx and Rx parameter command */
  994. if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx,
  995. num_threads_rx)) {
  996. printf("%s issue init enet cmd failed\n", __FUNCTION__);
  997. return -ENOMEM;
  998. }
  999. return 0;
  1000. }
  1001. static int uec_init(struct eth_device* dev, bd_t *bd)
  1002. {
  1003. uec_private_t *uec;
  1004. int err, i;
  1005. struct phy_info *curphy;
  1006. #if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
  1007. defined(CONFIG_P1021) || defined(CONFIG_P1025)
  1008. ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  1009. #endif
  1010. uec = (uec_private_t *)dev->priv;
  1011. if (uec->the_first_run == 0) {
  1012. #if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
  1013. defined(CONFIG_P1021) || defined(CONFIG_P1025)
  1014. /* QE9 and QE12 need to be set for enabling QE MII managment signals */
  1015. setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9);
  1016. setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
  1017. #endif
  1018. err = init_phy(dev);
  1019. if (err) {
  1020. printf("%s: Cannot initialize PHY, aborting.\n",
  1021. dev->name);
  1022. return err;
  1023. }
  1024. curphy = uec->mii_info->phyinfo;
  1025. if (curphy->config_aneg) {
  1026. err = curphy->config_aneg(uec->mii_info);
  1027. if (err) {
  1028. printf("%s: Can't negotiate PHY\n", dev->name);
  1029. return err;
  1030. }
  1031. }
  1032. /* Give PHYs up to 5 sec to report a link */
  1033. i = 50;
  1034. do {
  1035. err = curphy->read_status(uec->mii_info);
  1036. if (!(((i-- > 0) && !uec->mii_info->link) || err))
  1037. break;
  1038. udelay(100000);
  1039. } while (1);
  1040. #if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
  1041. defined(CONFIG_P1021) || defined(CONFIG_P1025)
  1042. /* QE12 needs to be released for enabling LBCTL signal*/
  1043. clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
  1044. #endif
  1045. if (err || i <= 0)
  1046. printf("warning: %s: timeout on PHY link\n", dev->name);
  1047. adjust_link(dev);
  1048. uec->the_first_run = 1;
  1049. }
  1050. /* Set up the MAC address */
  1051. if (dev->enetaddr[0] & 0x01) {
  1052. printf("%s: MacAddress is multcast address\n",
  1053. __FUNCTION__);
  1054. return -1;
  1055. }
  1056. uec_set_mac_address(uec, dev->enetaddr);
  1057. err = uec_open(uec, COMM_DIR_RX_AND_TX);
  1058. if (err) {
  1059. printf("%s: cannot enable UEC device\n", dev->name);
  1060. return -1;
  1061. }
  1062. phy_change(dev);
  1063. return (uec->mii_info->link ? 0 : -1);
  1064. }
  1065. static void uec_halt(struct eth_device* dev)
  1066. {
  1067. uec_private_t *uec = (uec_private_t *)dev->priv;
  1068. uec_stop(uec, COMM_DIR_RX_AND_TX);
  1069. }
  1070. static int uec_send(struct eth_device* dev, volatile void *buf, int len)
  1071. {
  1072. uec_private_t *uec;
  1073. ucc_fast_private_t *uccf;
  1074. volatile qe_bd_t *bd;
  1075. u16 status;
  1076. int i;
  1077. int result = 0;
  1078. uec = (uec_private_t *)dev->priv;
  1079. uccf = uec->uccf;
  1080. bd = uec->txBd;
  1081. /* Find an empty TxBD */
  1082. for (i = 0; bd->status & TxBD_READY; i++) {
  1083. if (i > 0x100000) {
  1084. printf("%s: tx buffer not ready\n", dev->name);
  1085. return result;
  1086. }
  1087. }
  1088. /* Init TxBD */
  1089. BD_DATA_SET(bd, buf);
  1090. BD_LENGTH_SET(bd, len);
  1091. status = bd->status;
  1092. status &= BD_WRAP;
  1093. status |= (TxBD_READY | TxBD_LAST);
  1094. BD_STATUS_SET(bd, status);
  1095. /* Tell UCC to transmit the buffer */
  1096. ucc_fast_transmit_on_demand(uccf);
  1097. /* Wait for buffer to be transmitted */
  1098. for (i = 0; bd->status & TxBD_READY; i++) {
  1099. if (i > 0x100000) {
  1100. printf("%s: tx error\n", dev->name);
  1101. return result;
  1102. }
  1103. }
  1104. /* Ok, the buffer be transimitted */
  1105. BD_ADVANCE(bd, status, uec->p_tx_bd_ring);
  1106. uec->txBd = bd;
  1107. result = 1;
  1108. return result;
  1109. }
  1110. static int uec_recv(struct eth_device* dev)
  1111. {
  1112. uec_private_t *uec = dev->priv;
  1113. volatile qe_bd_t *bd;
  1114. u16 status;
  1115. u16 len;
  1116. u8 *data;
  1117. bd = uec->rxBd;
  1118. status = bd->status;
  1119. while (!(status & RxBD_EMPTY)) {
  1120. if (!(status & RxBD_ERROR)) {
  1121. data = BD_DATA(bd);
  1122. len = BD_LENGTH(bd);
  1123. NetReceive(data, len);
  1124. } else {
  1125. printf("%s: Rx error\n", dev->name);
  1126. }
  1127. status &= BD_CLEAN;
  1128. BD_LENGTH_SET(bd, 0);
  1129. BD_STATUS_SET(bd, status | RxBD_EMPTY);
  1130. BD_ADVANCE(bd, status, uec->p_rx_bd_ring);
  1131. status = bd->status;
  1132. }
  1133. uec->rxBd = bd;
  1134. return 1;
  1135. }
  1136. int uec_initialize(bd_t *bis, uec_info_t *uec_info)
  1137. {
  1138. struct eth_device *dev;
  1139. int i;
  1140. uec_private_t *uec;
  1141. int err;
  1142. dev = (struct eth_device *)malloc(sizeof(struct eth_device));
  1143. if (!dev)
  1144. return 0;
  1145. memset(dev, 0, sizeof(struct eth_device));
  1146. /* Allocate the UEC private struct */
  1147. uec = (uec_private_t *)malloc(sizeof(uec_private_t));
  1148. if (!uec) {
  1149. return -ENOMEM;
  1150. }
  1151. memset(uec, 0, sizeof(uec_private_t));
  1152. /* Adjust uec_info */
  1153. #if (MAX_QE_RISC == 4)
  1154. uec_info->risc_tx = QE_RISC_ALLOCATION_FOUR_RISCS;
  1155. uec_info->risc_rx = QE_RISC_ALLOCATION_FOUR_RISCS;
  1156. #endif
  1157. devlist[uec_info->uf_info.ucc_num] = dev;
  1158. uec->uec_info = uec_info;
  1159. uec->dev = dev;
  1160. sprintf(dev->name, "UEC%d", uec_info->uf_info.ucc_num);
  1161. dev->iobase = 0;
  1162. dev->priv = (void *)uec;
  1163. dev->init = uec_init;
  1164. dev->halt = uec_halt;
  1165. dev->send = uec_send;
  1166. dev->recv = uec_recv;
  1167. /* Clear the ethnet address */
  1168. for (i = 0; i < 6; i++)
  1169. dev->enetaddr[i] = 0;
  1170. eth_register(dev);
  1171. err = uec_startup(uec);
  1172. if (err) {
  1173. printf("%s: Cannot configure net device, aborting.",dev->name);
  1174. return err;
  1175. }
  1176. #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
  1177. miiphy_register(dev->name, uec_miiphy_read, uec_miiphy_write);
  1178. #endif
  1179. return 1;
  1180. }
  1181. int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num)
  1182. {
  1183. int i;
  1184. for (i = 0; i < num; i++)
  1185. uec_initialize(bis, &uecs[i]);
  1186. return 0;
  1187. }
  1188. int uec_standard_init(bd_t *bis)
  1189. {
  1190. return uec_eth_init(bis, uec_info, ARRAY_SIZE(uec_info));
  1191. }