git.sur5r.net Git - u-boot/blob - drivers/qe/uec.c

   1 /*
   2  * Copyright (C) 2006 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
  22 #include "common.h"
  23 #include "net.h"
  24 #include "malloc.h"
  25 #include "asm/errno.h"
  26 #include "asm/io.h"
  27 #include "asm/immap_qe.h"
  28 #include "qe.h"
  29 #include "uccf.h"
  30 #include "uec.h"
  31 #include "uec_phy.h"
  32 #include "miiphy.h"
  33
  34 #ifdef CONFIG_UEC_ETH1
  35 static uec_info_t eth1_uec_info = {
  36         .uf_info                = {
  37                 .ucc_num        = CONFIG_SYS_UEC1_UCC_NUM,
  38                 .rx_clock       = CONFIG_SYS_UEC1_RX_CLK,
  39                 .tx_clock       = CONFIG_SYS_UEC1_TX_CLK,
  40                 .eth_type       = CONFIG_SYS_UEC1_ETH_TYPE,
  41         },
  42 #if (CONFIG_SYS_UEC1_ETH_TYPE == FAST_ETH)
  43         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
  44         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
  45 #else
  46         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
  47         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
  48 #endif
  49         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  50         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  51         .tx_bd_ring_len         = 16,
  52         .rx_bd_ring_len         = 16,
  53         .phy_address            = CONFIG_SYS_UEC1_PHY_ADDR,
  54         .enet_interface         = CONFIG_SYS_UEC1_INTERFACE_MODE,
  55 };
  56 #endif
  57 #ifdef CONFIG_UEC_ETH2
  58 static uec_info_t eth2_uec_info = {
  59         .uf_info                = {
  60                 .ucc_num        = CONFIG_SYS_UEC2_UCC_NUM,
  61                 .rx_clock       = CONFIG_SYS_UEC2_RX_CLK,
  62                 .tx_clock       = CONFIG_SYS_UEC2_TX_CLK,
  63                 .eth_type       = CONFIG_SYS_UEC2_ETH_TYPE,
  64         },
  65 #if (CONFIG_SYS_UEC2_ETH_TYPE == FAST_ETH)
  66         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
  67         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
  68 #else
  69         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
  70         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
  71 #endif
  72         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  73         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  74         .tx_bd_ring_len         = 16,
  75         .rx_bd_ring_len         = 16,
  76         .phy_address            = CONFIG_SYS_UEC2_PHY_ADDR,
  77         .enet_interface         = CONFIG_SYS_UEC2_INTERFACE_MODE,
  78 };
  79 #endif
  80 #ifdef CONFIG_UEC_ETH3
  81 static uec_info_t eth3_uec_info = {
  82         .uf_info                = {
  83                 .ucc_num        = CONFIG_SYS_UEC3_UCC_NUM,
  84                 .rx_clock       = CONFIG_SYS_UEC3_RX_CLK,
  85                 .tx_clock       = CONFIG_SYS_UEC3_TX_CLK,
  86                 .eth_type       = CONFIG_SYS_UEC3_ETH_TYPE,
  87         },
  88 #if (CONFIG_SYS_UEC3_ETH_TYPE == FAST_ETH)
  89         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
  90         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
  91 #else
  92         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
  93         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
  94 #endif
  95         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  96         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
  97         .tx_bd_ring_len         = 16,
  98         .rx_bd_ring_len         = 16,
  99         .phy_address            = CONFIG_SYS_UEC3_PHY_ADDR,
 100         .enet_interface         = CONFIG_SYS_UEC3_INTERFACE_MODE,
 101 };
 102 #endif
 103 #ifdef CONFIG_UEC_ETH4
 104 static uec_info_t eth4_uec_info = {
 105         .uf_info                = {
 106                 .ucc_num        = CONFIG_SYS_UEC4_UCC_NUM,
 107                 .rx_clock       = CONFIG_SYS_UEC4_RX_CLK,
 108                 .tx_clock       = CONFIG_SYS_UEC4_TX_CLK,
 109                 .eth_type       = CONFIG_SYS_UEC4_ETH_TYPE,
 110         },
 111 #if (CONFIG_SYS_UEC4_ETH_TYPE == FAST_ETH)
 112         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
 113         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
 114 #else
 115         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
 116         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
 117 #endif
 118         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 119         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 120         .tx_bd_ring_len         = 16,
 121         .rx_bd_ring_len         = 16,
 122         .phy_address            = CONFIG_SYS_UEC4_PHY_ADDR,
 123         .enet_interface         = CONFIG_SYS_UEC4_INTERFACE_MODE,
 124 };
 125 #endif
 126 #ifdef CONFIG_UEC_ETH5
 127 static uec_info_t eth5_uec_info = {
 128         .uf_info                = {
 129                 .ucc_num        = CONFIG_SYS_UEC5_UCC_NUM,
 130                 .rx_clock       = CONFIG_SYS_UEC5_RX_CLK,
 131                 .tx_clock       = CONFIG_SYS_UEC5_TX_CLK,
 132                 .eth_type       = CONFIG_SYS_UEC5_ETH_TYPE,
 133         },
 134 #if (CONFIG_SYS_UEC5_ETH_TYPE == FAST_ETH)
 135         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
 136         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
 137 #else
 138         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
 139         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
 140 #endif
 141         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 142         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 143         .tx_bd_ring_len         = 16,
 144         .rx_bd_ring_len         = 16,
 145         .phy_address            = CONFIG_SYS_UEC5_PHY_ADDR,
 146         .enet_interface         = CONFIG_SYS_UEC5_INTERFACE_MODE,
 147 };
 148 #endif
 149 #ifdef CONFIG_UEC_ETH6
 150 static uec_info_t eth6_uec_info = {
 151         .uf_info                = {
 152                 .ucc_num        = CONFIG_SYS_UEC6_UCC_NUM,
 153                 .rx_clock       = CONFIG_SYS_UEC6_RX_CLK,
 154                 .tx_clock       = CONFIG_SYS_UEC6_TX_CLK,
 155                 .eth_type       = CONFIG_SYS_UEC6_ETH_TYPE,
 156         },
 157 #if (CONFIG_SYS_UEC6_ETH_TYPE == FAST_ETH)
 158         .num_threads_tx         = UEC_NUM_OF_THREADS_1,
 159         .num_threads_rx         = UEC_NUM_OF_THREADS_1,
 160 #else
 161         .num_threads_tx         = UEC_NUM_OF_THREADS_4,
 162         .num_threads_rx         = UEC_NUM_OF_THREADS_4,
 163 #endif
 164         .risc_tx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 165         .risc_rx                        = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 166         .tx_bd_ring_len         = 16,
 167         .rx_bd_ring_len         = 16,
 168         .phy_address            = CONFIG_SYS_UEC6_PHY_ADDR,
 169         .enet_interface         = CONFIG_SYS_UEC6_INTERFACE_MODE,
 170 };
 171 #endif
 172
 173 #define MAXCONTROLLERS  (6)
 174
 175 static struct eth_device *devlist[MAXCONTROLLERS];
 176
 177 u16 phy_read (struct uec_mii_info *mii_info, u16 regnum);
 178 void phy_write (struct uec_mii_info *mii_info, u16 regnum, u16 val);
 179
 180 static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode)
 181 {
 182         uec_t           *uec_regs;
 183         u32             maccfg1;
 184
 185         if (!uec) {
 186                 printf("%s: uec not initial\n", __FUNCTION__);
 187                 return -EINVAL;
 188         }
 189         uec_regs = uec->uec_regs;
 190
 191         maccfg1 = in_be32(&uec_regs->maccfg1);
 192
 193         if (mode & COMM_DIR_TX) {
 194                 maccfg1 |= MACCFG1_ENABLE_TX;
 195                 out_be32(&uec_regs->maccfg1, maccfg1);
 196                 uec->mac_tx_enabled = 1;
 197         }
 198
 199         if (mode & COMM_DIR_RX) {
 200                 maccfg1 |= MACCFG1_ENABLE_RX;
 201                 out_be32(&uec_regs->maccfg1, maccfg1);
 202                 uec->mac_rx_enabled = 1;
 203         }
 204
 205         return 0;
 206 }
 207
 208 static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode)
 209 {
 210         uec_t           *uec_regs;
 211         u32             maccfg1;
 212
 213         if (!uec) {
 214                 printf("%s: uec not initial\n", __FUNCTION__);
 215                 return -EINVAL;
 216         }
 217         uec_regs = uec->uec_regs;
 218
 219         maccfg1 = in_be32(&uec_regs->maccfg1);
 220
 221         if (mode & COMM_DIR_TX) {
 222                 maccfg1 &= ~MACCFG1_ENABLE_TX;
 223                 out_be32(&uec_regs->maccfg1, maccfg1);
 224                 uec->mac_tx_enabled = 0;
 225         }
 226
 227         if (mode & COMM_DIR_RX) {
 228                 maccfg1 &= ~MACCFG1_ENABLE_RX;
 229                 out_be32(&uec_regs->maccfg1, maccfg1);
 230                 uec->mac_rx_enabled = 0;
 231         }
 232
 233         return 0;
 234 }
 235
 236 static int uec_graceful_stop_tx(uec_private_t *uec)
 237 {
 238         ucc_fast_t              *uf_regs;
 239         u32                     cecr_subblock;
 240         u32                     ucce;
 241
 242         if (!uec || !uec->uccf) {
 243                 printf("%s: No handle passed.\n", __FUNCTION__);
 244                 return -EINVAL;
 245         }
 246
 247         uf_regs = uec->uccf->uf_regs;
 248
 249         /* Clear the grace stop event */
 250         out_be32(&uf_regs->ucce, UCCE_GRA);
 251
 252         /* Issue host command */
 253         cecr_subblock =
 254                  ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
 255         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
 256                          (u8)QE_CR_PROTOCOL_ETHERNET, 0);
 257
 258         /* Wait for command to complete */
 259         do {
 260                 ucce = in_be32(&uf_regs->ucce);
 261         } while (! (ucce & UCCE_GRA));
 262
 263         uec->grace_stopped_tx = 1;
 264
 265         return 0;
 266 }
 267
 268 static int uec_graceful_stop_rx(uec_private_t *uec)
 269 {
 270         u32             cecr_subblock;
 271         u8              ack;
 272
 273         if (!uec) {
 274                 printf("%s: No handle passed.\n", __FUNCTION__);
 275                 return -EINVAL;
 276         }
 277
 278         if (!uec->p_rx_glbl_pram) {
 279                 printf("%s: No init rx global parameter\n", __FUNCTION__);
 280                 return -EINVAL;
 281         }
 282
 283         /* Clear acknowledge bit */
 284         ack = uec->p_rx_glbl_pram->rxgstpack;
 285         ack &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
 286         uec->p_rx_glbl_pram->rxgstpack = ack;
 287
 288         /* Keep issuing cmd and checking ack bit until it is asserted */
 289         do {
 290                 /* Issue host command */
 291                 cecr_subblock =
 292                  ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
 293                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
 294                                  (u8)QE_CR_PROTOCOL_ETHERNET, 0);
 295                 ack = uec->p_rx_glbl_pram->rxgstpack;
 296         } while (! (ack & GRACEFUL_STOP_ACKNOWLEDGE_RX ));
 297
 298         uec->grace_stopped_rx = 1;
 299
 300         return 0;
 301 }
 302
 303 static int uec_restart_tx(uec_private_t *uec)
 304 {
 305         u32             cecr_subblock;
 306
 307         if (!uec || !uec->uec_info) {
 308                 printf("%s: No handle passed.\n", __FUNCTION__);
 309                 return -EINVAL;
 310         }
 311
 312         cecr_subblock =
 313          ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
 314         qe_issue_cmd(QE_RESTART_TX, cecr_subblock,
 315                          (u8)QE_CR_PROTOCOL_ETHERNET, 0);
 316
 317         uec->grace_stopped_tx = 0;
 318
 319         return 0;
 320 }
 321
 322 static int uec_restart_rx(uec_private_t *uec)
 323 {
 324         u32             cecr_subblock;
 325
 326         if (!uec || !uec->uec_info) {
 327                 printf("%s: No handle passed.\n", __FUNCTION__);
 328                 return -EINVAL;
 329         }
 330
 331         cecr_subblock =
 332          ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
 333         qe_issue_cmd(QE_RESTART_RX, cecr_subblock,
 334                          (u8)QE_CR_PROTOCOL_ETHERNET, 0);
 335
 336         uec->grace_stopped_rx = 0;
 337
 338         return 0;
 339 }
 340
 341 static int uec_open(uec_private_t *uec, comm_dir_e mode)
 342 {
 343         ucc_fast_private_t      *uccf;
 344
 345         if (!uec || !uec->uccf) {
 346                 printf("%s: No handle passed.\n", __FUNCTION__);
 347                 return -EINVAL;
 348         }
 349         uccf = uec->uccf;
 350
 351         /* check if the UCC number is in range. */
 352         if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
 353                 printf("%s: ucc_num out of range.\n", __FUNCTION__);
 354                 return -EINVAL;
 355         }
 356
 357         /* Enable MAC */
 358         uec_mac_enable(uec, mode);
 359
 360         /* Enable UCC fast */
 361         ucc_fast_enable(uccf, mode);
 362
 363         /* RISC microcode start */
 364         if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) {
 365                 uec_restart_tx(uec);
 366         }
 367         if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) {
 368                 uec_restart_rx(uec);
 369         }
 370
 371         return 0;
 372 }
 373
 374 static int uec_stop(uec_private_t *uec, comm_dir_e mode)
 375 {
 376         ucc_fast_private_t      *uccf;
 377
 378         if (!uec || !uec->uccf) {
 379                 printf("%s: No handle passed.\n", __FUNCTION__);
 380                 return -EINVAL;
 381         }
 382         uccf = uec->uccf;
 383
 384         /* check if the UCC number is in range. */
 385         if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
 386                 printf("%s: ucc_num out of range.\n", __FUNCTION__);
 387                 return -EINVAL;
 388         }
 389         /* Stop any transmissions */
 390         if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) {
 391                 uec_graceful_stop_tx(uec);
 392         }
 393         /* Stop any receptions */
 394         if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) {
 395                 uec_graceful_stop_rx(uec);
 396         }
 397
 398         /* Disable the UCC fast */
 399         ucc_fast_disable(uec->uccf, mode);
 400
 401         /* Disable the MAC */
 402         uec_mac_disable(uec, mode);
 403
 404         return 0;
 405 }
 406
 407 static int uec_set_mac_duplex(uec_private_t *uec, int duplex)
 408 {
 409         uec_t           *uec_regs;
 410         u32             maccfg2;
 411
 412         if (!uec) {
 413                 printf("%s: uec not initial\n", __FUNCTION__);
 414                 return -EINVAL;
 415         }
 416         uec_regs = uec->uec_regs;
 417
 418         if (duplex == DUPLEX_HALF) {
 419                 maccfg2 = in_be32(&uec_regs->maccfg2);
 420                 maccfg2 &= ~MACCFG2_FDX;
 421                 out_be32(&uec_regs->maccfg2, maccfg2);
 422         }
 423
 424         if (duplex == DUPLEX_FULL) {
 425                 maccfg2 = in_be32(&uec_regs->maccfg2);
 426                 maccfg2 |= MACCFG2_FDX;
 427                 out_be32(&uec_regs->maccfg2, maccfg2);
 428         }
 429
 430         return 0;
 431 }
 432
 433 static int uec_set_mac_if_mode(uec_private_t *uec, enet_interface_e if_mode)
 434 {
 435         enet_interface_e        enet_if_mode;
 436         uec_info_t              *uec_info;
 437         uec_t                   *uec_regs;
 438         u32                     upsmr;
 439         u32                     maccfg2;
 440
 441         if (!uec) {
 442                 printf("%s: uec not initial\n", __FUNCTION__);
 443                 return -EINVAL;
 444         }
 445
 446         uec_info = uec->uec_info;
 447         uec_regs = uec->uec_regs;
 448         enet_if_mode = if_mode;
 449
 450         maccfg2 = in_be32(&uec_regs->maccfg2);
 451         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
 452
 453         upsmr = in_be32(&uec->uccf->uf_regs->upsmr);
 454         upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM);
 455
 456         switch (enet_if_mode) {
 457                 case ENET_100_MII:
 458                 case ENET_10_MII:
 459                         maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
 460                         break;
 461                 case ENET_1000_GMII:
 462                         maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 463                         break;
 464                 case ENET_1000_TBI:
 465                         maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 466                         upsmr |= UPSMR_TBIM;
 467                         break;
 468                 case ENET_1000_RTBI:
 469                         maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 470                         upsmr |= (UPSMR_RPM | UPSMR_TBIM);
 471                         break;
 472                 case ENET_1000_RGMII_RXID:
 473                 case ENET_1000_RGMII_ID:
 474                 case ENET_1000_RGMII:
 475                         maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 476                         upsmr |= UPSMR_RPM;
 477                         break;
 478                 case ENET_100_RGMII:
 479                         maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
 480                         upsmr |= UPSMR_RPM;
 481                         break;
 482                 case ENET_10_RGMII:
 483                         maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
 484                         upsmr |= (UPSMR_RPM | UPSMR_R10M);
 485                         break;
 486                 case ENET_100_RMII:
 487                         maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
 488                         upsmr |= UPSMR_RMM;
 489                         break;
 490                 case ENET_10_RMII:
 491                         maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
 492                         upsmr |= (UPSMR_R10M | UPSMR_RMM);
 493                         break;
 494                 default:
 495                         return -EINVAL;
 496                         break;
 497         }
 498         out_be32(&uec_regs->maccfg2, maccfg2);
 499         out_be32(&uec->uccf->uf_regs->upsmr, upsmr);
 500
 501         return 0;
 502 }
 503
 504 static int init_mii_management_configuration(uec_mii_t *uec_mii_regs)
 505 {
 506         uint            timeout = 0x1000;
 507         u32             miimcfg = 0;
 508
 509         miimcfg = in_be32(&uec_mii_regs->miimcfg);
 510         miimcfg |= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE;
 511         out_be32(&uec_mii_regs->miimcfg, miimcfg);
 512
 513         /* Wait until the bus is free */
 514         while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--);
 515         if (timeout <= 0) {
 516                 printf("%s: The MII Bus is stuck!", __FUNCTION__);
 517                 return -ETIMEDOUT;
 518         }
 519
 520         return 0;
 521 }
 522
 523 static int init_phy(struct eth_device *dev)
 524 {
 525         uec_private_t           *uec;
 526         uec_mii_t               *umii_regs;
 527         struct uec_mii_info     *mii_info;
 528         struct phy_info         *curphy;
 529         int                     err;
 530
 531         uec = (uec_private_t *)dev->priv;
 532         umii_regs = uec->uec_mii_regs;
 533
 534         uec->oldlink = 0;
 535         uec->oldspeed = 0;
 536         uec->oldduplex = -1;
 537
 538         mii_info = malloc(sizeof(*mii_info));
 539         if (!mii_info) {
 540                 printf("%s: Could not allocate mii_info", dev->name);
 541                 return -ENOMEM;
 542         }
 543         memset(mii_info, 0, sizeof(*mii_info));
 544
 545         if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
 546                 mii_info->speed = SPEED_1000;
 547         } else {
 548                 mii_info->speed = SPEED_100;
 549         }
 550
 551         mii_info->duplex = DUPLEX_FULL;
 552         mii_info->pause = 0;
 553         mii_info->link = 1;
 554
 555         mii_info->advertising = (ADVERTISED_10baseT_Half |
 556                                 ADVERTISED_10baseT_Full |
 557                                 ADVERTISED_100baseT_Half |
 558                                 ADVERTISED_100baseT_Full |
 559                                 ADVERTISED_1000baseT_Full);
 560         mii_info->autoneg = 1;
 561         mii_info->mii_id = uec->uec_info->phy_address;
 562         mii_info->dev = dev;
 563
 564         mii_info->mdio_read = &uec_read_phy_reg;
 565         mii_info->mdio_write = &uec_write_phy_reg;
 566
 567         uec->mii_info = mii_info;
 568
 569         qe_set_mii_clk_src(uec->uec_info->uf_info.ucc_num);
 570
 571         if (init_mii_management_configuration(umii_regs)) {
 572                 printf("%s: The MII Bus is stuck!", dev->name);
 573                 err = -1;
 574                 goto bus_fail;
 575         }
 576
 577         /* get info for this PHY */
 578         curphy = uec_get_phy_info(uec->mii_info);
 579         if (!curphy) {
 580                 printf("%s: No PHY found", dev->name);
 581                 err = -1;
 582                 goto no_phy;
 583         }
 584
 585         mii_info->phyinfo = curphy;
 586
 587         /* Run the commands which initialize the PHY */
 588         if (curphy->init) {
 589                 err = curphy->init(uec->mii_info);
 590                 if (err)
 591                         goto phy_init_fail;
 592         }
 593
 594         return 0;
 595
 596 phy_init_fail:
 597 no_phy:
 598 bus_fail:
 599         free(mii_info);
 600         return err;
 601 }
 602
 603 static void adjust_link(struct eth_device *dev)
 604 {
 605         uec_private_t           *uec = (uec_private_t *)dev->priv;
 606         uec_t                   *uec_regs;
 607         struct uec_mii_info     *mii_info = uec->mii_info;
 608
 609         extern void change_phy_interface_mode(struct eth_device *dev,
 610                                          enet_interface_e mode);
 611         uec_regs = uec->uec_regs;
 612
 613         if (mii_info->link) {
 614                 /* Now we make sure that we can be in full duplex mode.
 615                 * If not, we operate in half-duplex mode. */
 616                 if (mii_info->duplex != uec->oldduplex) {
 617                         if (!(mii_info->duplex)) {
 618                                 uec_set_mac_duplex(uec, DUPLEX_HALF);
 619                                 printf("%s: Half Duplex\n", dev->name);
 620                         } else {
 621                                 uec_set_mac_duplex(uec, DUPLEX_FULL);
 622                                 printf("%s: Full Duplex\n", dev->name);
 623                         }
 624                         uec->oldduplex = mii_info->duplex;
 625                 }
 626
 627                 if (mii_info->speed != uec->oldspeed) {
 628                         if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
 629                                 switch (mii_info->speed) {
 630                                 case 1000:
 631                                         break;
 632                                 case 100:
 633                                         printf ("switching to rgmii 100\n");
 634                                         /* change phy to rgmii 100 */
 635                                         change_phy_interface_mode(dev,
 636                                                                 ENET_100_RGMII);
 637                                         /* change the MAC interface mode */
 638                                         uec_set_mac_if_mode(uec,ENET_100_RGMII);
 639                                         break;
 640                                 case 10:
 641                                         printf ("switching to rgmii 10\n");
 642                                         /* change phy to rgmii 10 */
 643                                         change_phy_interface_mode(dev,
 644                                                                 ENET_10_RGMII);
 645                                         /* change the MAC interface mode */
 646                                         uec_set_mac_if_mode(uec,ENET_10_RGMII);
 647                                         break;
 648                                 default:
 649                                         printf("%s: Ack,Speed(%d)is illegal\n",
 650                                                 dev->name, mii_info->speed);
 651                                         break;
 652                                 }
 653                         }
 654
 655                         printf("%s: Speed %dBT\n", dev->name, mii_info->speed);
 656                         uec->oldspeed = mii_info->speed;
 657                 }
 658
 659                 if (!uec->oldlink) {
 660                         printf("%s: Link is up\n", dev->name);
 661                         uec->oldlink = 1;
 662                 }
 663
 664         } else { /* if (mii_info->link) */
 665                 if (uec->oldlink) {
 666                         printf("%s: Link is down\n", dev->name);
 667                         uec->oldlink = 0;
 668                         uec->oldspeed = 0;
 669                         uec->oldduplex = -1;
 670                 }
 671         }
 672 }
 673
 674 static void phy_change(struct eth_device *dev)
 675 {
 676         uec_private_t   *uec = (uec_private_t *)dev->priv;
 677
 678         /* Update the link, speed, duplex */
 679         uec->mii_info->phyinfo->read_status(uec->mii_info);
 680
 681         /* Adjust the interface according to speed */
 682         adjust_link(dev);
 683 }
 684
 685 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
 686         && !defined(BITBANGMII)
 687
 688 /*
 689  * Find a device index from the devlist by name
 690  *
 691  * Returns:
 692  *  The index where the device is located, -1 on error
 693  */
 694 static int uec_miiphy_find_dev_by_name(char *devname)
 695 {
 696         int i;
 697
 698         for (i = 0; i < MAXCONTROLLERS; i++) {
 699                 if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) {
 700                         break;
 701                 }
 702         }
 703
 704         /* If device cannot be found, returns -1 */
 705         if (i == MAXCONTROLLERS) {
 706                 debug ("%s: device %s not found in devlist\n", __FUNCTION__, devname);
 707                 i = -1;
 708         }
 709
 710         return i;
 711 }
 712
 713 /*
 714  * Read a MII PHY register.
 715  *
 716  * Returns:
 717  *  0 on success
 718  */
 719 static int uec_miiphy_read(char *devname, unsigned char addr,
 720                             unsigned char reg, unsigned short *value)
 721 {
 722         int devindex = 0;
 723
 724         if (devname == NULL || value == NULL) {
 725                 debug("%s: NULL pointer given\n", __FUNCTION__);
 726         } else {
 727                 devindex = uec_miiphy_find_dev_by_name(devname);
 728                 if (devindex >= 0) {
 729                         *value = uec_read_phy_reg(devlist[devindex], addr, reg);
 730                 }
 731         }
 732         return 0;
 733 }
 734
 735 /*
 736  * Write a MII PHY register.
 737  *
 738  * Returns:
 739  *  0 on success
 740  */
 741 static int uec_miiphy_write(char *devname, unsigned char addr,
 742                              unsigned char reg, unsigned short value)
 743 {
 744         int devindex = 0;
 745
 746         if (devname == NULL) {
 747                 debug("%s: NULL pointer given\n", __FUNCTION__);
 748         } else {
 749                 devindex = uec_miiphy_find_dev_by_name(devname);
 750                 if (devindex >= 0) {
 751                         uec_write_phy_reg(devlist[devindex], addr, reg, value);
 752                 }
 753         }
 754         return 0;
 755 }
 756 #endif
 757
 758 static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr)
 759 {
 760         uec_t           *uec_regs;
 761         u32             mac_addr1;
 762         u32             mac_addr2;
 763
 764         if (!uec) {
 765                 printf("%s: uec not initial\n", __FUNCTION__);
 766                 return -EINVAL;
 767         }
 768
 769         uec_regs = uec->uec_regs;
 770
 771         /* if a station address of 0x12345678ABCD, perform a write to
 772         MACSTNADDR1 of 0xCDAB7856,
 773         MACSTNADDR2 of 0x34120000 */
 774
 775         mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \
 776                         (mac_addr[3] << 8)  | (mac_addr[2]);
 777         out_be32(&uec_regs->macstnaddr1, mac_addr1);
 778
 779         mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000;
 780         out_be32(&uec_regs->macstnaddr2, mac_addr2);
 781
 782         return 0;
 783 }
 784
 785 static int uec_convert_threads_num(uec_num_of_threads_e threads_num,
 786                                          int *threads_num_ret)
 787 {
 788         int     num_threads_numerica;
 789
 790         switch (threads_num) {
 791                 case UEC_NUM_OF_THREADS_1:
 792                         num_threads_numerica = 1;
 793                         break;
 794                 case UEC_NUM_OF_THREADS_2:
 795                         num_threads_numerica = 2;
 796                         break;
 797                 case UEC_NUM_OF_THREADS_4:
 798                         num_threads_numerica = 4;
 799                         break;
 800                 case UEC_NUM_OF_THREADS_6:
 801                         num_threads_numerica = 6;
 802                         break;
 803                 case UEC_NUM_OF_THREADS_8:
 804                         num_threads_numerica = 8;
 805                         break;
 806                 default:
 807                         printf("%s: Bad number of threads value.",
 808                                  __FUNCTION__);
 809                         return -EINVAL;
 810         }
 811
 812         *threads_num_ret = num_threads_numerica;
 813
 814         return 0;
 815 }
 816
 817 static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx)
 818 {
 819         uec_info_t      *uec_info;
 820         u32             end_bd;
 821         u8              bmrx = 0;
 822         int             i;
 823
 824         uec_info = uec->uec_info;
 825
 826         /* Alloc global Tx parameter RAM page */
 827         uec->tx_glbl_pram_offset = qe_muram_alloc(
 828                                 sizeof(uec_tx_global_pram_t),
 829                                  UEC_TX_GLOBAL_PRAM_ALIGNMENT);
 830         uec->p_tx_glbl_pram = (uec_tx_global_pram_t *)
 831                                 qe_muram_addr(uec->tx_glbl_pram_offset);
 832
 833         /* Zero the global Tx prameter RAM */
 834         memset(uec->p_tx_glbl_pram, 0, sizeof(uec_tx_global_pram_t));
 835
 836         /* Init global Tx parameter RAM */
 837
 838         /* TEMODER, RMON statistics disable, one Tx queue */
 839         out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE);
 840
 841         /* SQPTR */
 842         uec->send_q_mem_reg_offset = qe_muram_alloc(
 843                                 sizeof(uec_send_queue_qd_t),
 844                                  UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
 845         uec->p_send_q_mem_reg = (uec_send_queue_mem_region_t *)
 846                                 qe_muram_addr(uec->send_q_mem_reg_offset);
 847         out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset);
 848
 849         /* Setup the table with TxBDs ring */
 850         end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1)
 851                                          * SIZEOFBD;
 852         out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base,
 853                                  (u32)(uec->p_tx_bd_ring));
 854         out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address,
 855                                                  end_bd);
 856
 857         /* Scheduler Base Pointer, we have only one Tx queue, no need it */
 858         out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0);
 859
 860         /* TxRMON Base Pointer, TxRMON disable, we don't need it */
 861         out_be32(&uec->p_tx_glbl_pram->txrmonbaseptr, 0);
 862
 863         /* TSTATE, global snooping, big endian, the CSB bus selected */
 864         bmrx = BMR_INIT_VALUE;
 865         out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT));
 866
 867         /* IPH_Offset */
 868         for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) {
 869                 out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0);
 870         }
 871
 872         /* VTAG table */
 873         for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) {
 874                 out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0);
 875         }
 876
 877         /* TQPTR */
 878         uec->thread_dat_tx_offset = qe_muram_alloc(
 879                 num_threads_tx * sizeof(uec_thread_data_tx_t) +
 880                  32 *(num_threads_tx == 1), UEC_THREAD_DATA_ALIGNMENT);
 881
 882         uec->p_thread_data_tx = (uec_thread_data_tx_t *)
 883                                 qe_muram_addr(uec->thread_dat_tx_offset);
 884         out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset);
 885 }
 886
 887 static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx)
 888 {
 889         u8      bmrx = 0;
 890         int     i;
 891         uec_82xx_address_filtering_pram_t       *p_af_pram;
 892
 893         /* Allocate global Rx parameter RAM page */
 894         uec->rx_glbl_pram_offset = qe_muram_alloc(
 895                 sizeof(uec_rx_global_pram_t), UEC_RX_GLOBAL_PRAM_ALIGNMENT);
 896         uec->p_rx_glbl_pram = (uec_rx_global_pram_t *)
 897                                 qe_muram_addr(uec->rx_glbl_pram_offset);
 898
 899         /* Zero Global Rx parameter RAM */
 900         memset(uec->p_rx_glbl_pram, 0, sizeof(uec_rx_global_pram_t));
 901
 902         /* Init global Rx parameter RAM */
 903         /* REMODER, Extended feature mode disable, VLAN disable,
 904          LossLess flow control disable, Receive firmware statisic disable,
 905          Extended address parsing mode disable, One Rx queues,
 906          Dynamic maximum/minimum frame length disable, IP checksum check
 907          disable, IP address alignment disable
 908         */
 909         out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE);
 910
 911         /* RQPTR */
 912         uec->thread_dat_rx_offset = qe_muram_alloc(
 913                         num_threads_rx * sizeof(uec_thread_data_rx_t),
 914                          UEC_THREAD_DATA_ALIGNMENT);
 915         uec->p_thread_data_rx = (uec_thread_data_rx_t *)
 916                                 qe_muram_addr(uec->thread_dat_rx_offset);
 917         out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset);
 918
 919         /* Type_or_Len */
 920         out_be16(&uec->p_rx_glbl_pram->typeorlen, 3072);
 921
 922         /* RxRMON base pointer, we don't need it */
 923         out_be32(&uec->p_rx_glbl_pram->rxrmonbaseptr, 0);
 924
 925         /* IntCoalescingPTR, we don't need it, no interrupt */
 926         out_be32(&uec->p_rx_glbl_pram->intcoalescingptr, 0);
 927
 928         /* RSTATE, global snooping, big endian, the CSB bus selected */
 929         bmrx = BMR_INIT_VALUE;
 930         out_8(&uec->p_rx_glbl_pram->rstate, bmrx);
 931
 932         /* MRBLR */
 933         out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN);
 934
 935         /* RBDQPTR */
 936         uec->rx_bd_qs_tbl_offset = qe_muram_alloc(
 937                                 sizeof(uec_rx_bd_queues_entry_t) + \
 938                                 sizeof(uec_rx_prefetched_bds_t),
 939                                  UEC_RX_BD_QUEUES_ALIGNMENT);
 940         uec->p_rx_bd_qs_tbl = (uec_rx_bd_queues_entry_t *)
 941                                 qe_muram_addr(uec->rx_bd_qs_tbl_offset);
 942
 943         /* Zero it */
 944         memset(uec->p_rx_bd_qs_tbl, 0, sizeof(uec_rx_bd_queues_entry_t) + \
 945                                         sizeof(uec_rx_prefetched_bds_t));
 946         out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset);
 947         out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr,
 948                  (u32)uec->p_rx_bd_ring);
 949
 950         /* MFLR */
 951         out_be16(&uec->p_rx_glbl_pram->mflr, MAX_FRAME_LEN);
 952         /* MINFLR */
 953         out_be16(&uec->p_rx_glbl_pram->minflr, MIN_FRAME_LEN);
 954         /* MAXD1 */
 955         out_be16(&uec->p_rx_glbl_pram->maxd1, MAX_DMA1_LEN);
 956         /* MAXD2 */
 957         out_be16(&uec->p_rx_glbl_pram->maxd2, MAX_DMA2_LEN);
 958         /* ECAM_PTR */
 959         out_be32(&uec->p_rx_glbl_pram->ecamptr, 0);
 960         /* L2QT */
 961         out_be32(&uec->p_rx_glbl_pram->l2qt, 0);
 962         /* L3QT */
 963         for (i = 0; i < 8; i++) {
 964                 out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0);
 965         }
 966
 967         /* VLAN_TYPE */
 968         out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100);
 969         /* TCI */
 970         out_be16(&uec->p_rx_glbl_pram->vlantci, 0);
 971
 972         /* Clear PQ2 style address filtering hash table */
 973         p_af_pram = (uec_82xx_address_filtering_pram_t *) \
 974                         uec->p_rx_glbl_pram->addressfiltering;
 975
 976         p_af_pram->iaddr_h = 0;
 977         p_af_pram->iaddr_l = 0;
 978         p_af_pram->gaddr_h = 0;
 979         p_af_pram->gaddr_l = 0;
 980 }
 981
 982 static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec,
 983                                          int thread_tx, int thread_rx)
 984 {
 985         uec_init_cmd_pram_t             *p_init_enet_param;
 986         u32                             init_enet_param_offset;
 987         uec_info_t                      *uec_info;
 988         int                             i;
 989         int                             snum;
 990         u32                             init_enet_offset;
 991         u32                             entry_val;
 992         u32                             command;
 993         u32                             cecr_subblock;
 994
 995         uec_info = uec->uec_info;
 996
 997         /* Allocate init enet command parameter */
 998         uec->init_enet_param_offset = qe_muram_alloc(
 999                                         sizeof(uec_init_cmd_pram_t), 4);
1000         init_enet_param_offset = uec->init_enet_param_offset;
1001         uec->p_init_enet_param = (uec_init_cmd_pram_t *)
1002                                 qe_muram_addr(uec->init_enet_param_offset);
1003
1004         /* Zero init enet command struct */
1005         memset((void *)uec->p_init_enet_param, 0, sizeof(uec_init_cmd_pram_t));
1006
1007         /* Init the command struct */
1008         p_init_enet_param = uec->p_init_enet_param;
1009         p_init_enet_param->resinit0 = ENET_INIT_PARAM_MAGIC_RES_INIT0;
1010         p_init_enet_param->resinit1 = ENET_INIT_PARAM_MAGIC_RES_INIT1;
1011         p_init_enet_param->resinit2 = ENET_INIT_PARAM_MAGIC_RES_INIT2;
1012         p_init_enet_param->resinit3 = ENET_INIT_PARAM_MAGIC_RES_INIT3;
1013         p_init_enet_param->resinit4 = ENET_INIT_PARAM_MAGIC_RES_INIT4;
1014         p_init_enet_param->largestexternallookupkeysize = 0;
1015
1016         p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_rx)
1017                                          << ENET_INIT_PARAM_RGF_SHIFT;
1018         p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_tx)
1019                                          << ENET_INIT_PARAM_TGF_SHIFT;
1020
1021         /* Init Rx global parameter pointer */
1022         p_init_enet_param->rgftgfrxglobal |= uec->rx_glbl_pram_offset |
1023                                                  (u32)uec_info->risc_rx;
1024
1025         /* Init Rx threads */
1026         for (i = 0; i < (thread_rx + 1); i++) {
1027                 if ((snum = qe_get_snum()) < 0) {
1028                         printf("%s can not get snum\n", __FUNCTION__);
1029                         return -ENOMEM;
1030                 }
1031
1032                 if (i==0) {
1033                         init_enet_offset = 0;
1034                 } else {
1035                         init_enet_offset = qe_muram_alloc(
1036                                         sizeof(uec_thread_rx_pram_t),
1037                                          UEC_THREAD_RX_PRAM_ALIGNMENT);
1038                 }
1039
1040                 entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
1041                                  init_enet_offset | (u32)uec_info->risc_rx;
1042                 p_init_enet_param->rxthread[i] = entry_val;
1043         }
1044
1045         /* Init Tx global parameter pointer */
1046         p_init_enet_param->txglobal = uec->tx_glbl_pram_offset |
1047                                          (u32)uec_info->risc_tx;
1048
1049         /* Init Tx threads */
1050         for (i = 0; i < thread_tx; i++) {
1051                 if ((snum = qe_get_snum()) < 0) {
1052                         printf("%s can not get snum\n", __FUNCTION__);
1053                         return -ENOMEM;
1054                 }
1055
1056                 init_enet_offset = qe_muram_alloc(sizeof(uec_thread_tx_pram_t),
1057                                                  UEC_THREAD_TX_PRAM_ALIGNMENT);
1058
1059                 entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
1060                                  init_enet_offset | (u32)uec_info->risc_tx;
1061                 p_init_enet_param->txthread[i] = entry_val;
1062         }
1063
1064         __asm__ __volatile__("sync");
1065
1066         /* Issue QE command */
1067         command = QE_INIT_TX_RX;
1068         cecr_subblock = ucc_fast_get_qe_cr_subblock(
1069                                 uec->uec_info->uf_info.ucc_num);
1070         qe_issue_cmd(command, cecr_subblock, (u8) QE_CR_PROTOCOL_ETHERNET,
1071                                                  init_enet_param_offset);
1072
1073         return 0;
1074 }
1075
1076 static int uec_startup(uec_private_t *uec)
1077 {
1078         uec_info_t                      *uec_info;
1079         ucc_fast_info_t                 *uf_info;
1080         ucc_fast_private_t              *uccf;
1081         ucc_fast_t                      *uf_regs;
1082         uec_t                           *uec_regs;
1083         int                             num_threads_tx;
1084         int                             num_threads_rx;
1085         u32                             utbipar;
1086         enet_interface_e                enet_interface;
1087         u32                             length;
1088         u32                             align;
1089         qe_bd_t                         *bd;
1090         u8                              *buf;
1091         int                             i;
1092
1093         if (!uec || !uec->uec_info) {
1094                 printf("%s: uec or uec_info not initial\n", __FUNCTION__);
1095                 return -EINVAL;
1096         }
1097
1098         uec_info = uec->uec_info;
1099         uf_info = &(uec_info->uf_info);
1100
1101         /* Check if Rx BD ring len is illegal */
1102         if ((uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN) || \
1103                 (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) {
1104                 printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n",
1105                          __FUNCTION__);
1106                 return -EINVAL;
1107         }
1108
1109         /* Check if Tx BD ring len is illegal */
1110         if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) {
1111                 printf("%s: Tx BD ring length must not be smaller than 2.\n",
1112                          __FUNCTION__);
1113                 return -EINVAL;
1114         }
1115
1116         /* Check if MRBLR is illegal */
1117         if ((MAX_RXBUF_LEN == 0) || (MAX_RXBUF_LEN  % UEC_MRBLR_ALIGNMENT)) {
1118                 printf("%s: max rx buffer length must be mutliple of 128.\n",
1119                          __FUNCTION__);
1120                 return -EINVAL;
1121         }
1122
1123         /* Both Rx and Tx are stopped */
1124         uec->grace_stopped_rx = 1;
1125         uec->grace_stopped_tx = 1;
1126
1127         /* Init UCC fast */
1128         if (ucc_fast_init(uf_info, &uccf)) {
1129                 printf("%s: failed to init ucc fast\n", __FUNCTION__);
1130                 return -ENOMEM;
1131         }
1132
1133         /* Save uccf */
1134         uec->uccf = uccf;
1135
1136         /* Convert the Tx threads number */
1137         if (uec_convert_threads_num(uec_info->num_threads_tx,
1138                                          &num_threads_tx)) {
1139                 return -EINVAL;
1140         }
1141
1142         /* Convert the Rx threads number */
1143         if (uec_convert_threads_num(uec_info->num_threads_rx,
1144                                          &num_threads_rx)) {
1145                 return -EINVAL;
1146         }
1147
1148         uf_regs = uccf->uf_regs;
1149
1150         /* UEC register is following UCC fast registers */
1151         uec_regs = (uec_t *)(&uf_regs->ucc_eth);
1152
1153         /* Save the UEC register pointer to UEC private struct */
1154         uec->uec_regs = uec_regs;
1155
1156         /* Init UPSMR, enable hardware statistics (UCC) */
1157         out_be32(&uec->uccf->uf_regs->upsmr, UPSMR_INIT_VALUE);
1158
1159         /* Init MACCFG1, flow control disable, disable Tx and Rx */
1160         out_be32(&uec_regs->maccfg1, MACCFG1_INIT_VALUE);
1161
1162         /* Init MACCFG2, length check, MAC PAD and CRC enable */
1163         out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE);
1164
1165         /* Setup MAC interface mode */
1166         uec_set_mac_if_mode(uec, uec_info->enet_interface);
1167
1168         /* Setup MII management base */
1169 #ifndef CONFIG_eTSEC_MDIO_BUS
1170         uec->uec_mii_regs = (uec_mii_t *)(&uec_regs->miimcfg);
1171 #else
1172         uec->uec_mii_regs = (uec_mii_t *) CONFIG_MIIM_ADDRESS;
1173 #endif
1174
1175         /* Setup MII master clock source */
1176         qe_set_mii_clk_src(uec_info->uf_info.ucc_num);
1177
1178         /* Setup UTBIPAR */
1179         utbipar = in_be32(&uec_regs->utbipar);
1180         utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
1181         enet_interface = uec->uec_info->enet_interface;
1182         if (enet_interface == ENET_1000_TBI ||
1183                  enet_interface == ENET_1000_RTBI) {
1184                 utbipar |=  (uec_info->phy_address + uec_info->uf_info.ucc_num)
1185                                                  << UTBIPAR_PHY_ADDRESS_SHIFT;
1186         } else {
1187                 utbipar |=  (0x10 + uec_info->uf_info.ucc_num)
1188                                                  << UTBIPAR_PHY_ADDRESS_SHIFT;
1189         }
1190
1191         out_be32(&uec_regs->utbipar, utbipar);
1192
1193         /* Allocate Tx BDs */
1194         length = ((uec_info->tx_bd_ring_len * SIZEOFBD) /
1195                  UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) *
1196                  UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
1197         if ((uec_info->tx_bd_ring_len * SIZEOFBD) %
1198                  UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) {
1199                 length += UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
1200         }
1201
1202         align = UEC_TX_BD_RING_ALIGNMENT;
1203         uec->tx_bd_ring_offset = (u32)malloc((u32)(length + align));
1204         if (uec->tx_bd_ring_offset != 0) {
1205                 uec->p_tx_bd_ring = (u8 *)((uec->tx_bd_ring_offset + align)
1206                                                  & ~(align - 1));
1207         }
1208
1209         /* Zero all of Tx BDs */
1210         memset((void *)(uec->tx_bd_ring_offset), 0, length + align);
1211
1212         /* Allocate Rx BDs */
1213         length = uec_info->rx_bd_ring_len * SIZEOFBD;
1214         align = UEC_RX_BD_RING_ALIGNMENT;
1215         uec->rx_bd_ring_offset = (u32)(malloc((u32)(length + align)));
1216         if (uec->rx_bd_ring_offset != 0) {
1217                 uec->p_rx_bd_ring = (u8 *)((uec->rx_bd_ring_offset + align)
1218                                                          & ~(align - 1));
1219         }
1220
1221         /* Zero all of Rx BDs */
1222         memset((void *)(uec->rx_bd_ring_offset), 0, length + align);
1223
1224         /* Allocate Rx buffer */
1225         length = uec_info->rx_bd_ring_len * MAX_RXBUF_LEN;
1226         align = UEC_RX_DATA_BUF_ALIGNMENT;
1227         uec->rx_buf_offset = (u32)malloc(length + align);
1228         if (uec->rx_buf_offset != 0) {
1229                 uec->p_rx_buf = (u8 *)((uec->rx_buf_offset + align)
1230                                                  & ~(align - 1));
1231         }
1232
1233         /* Zero all of the Rx buffer */
1234         memset((void *)(uec->rx_buf_offset), 0, length + align);
1235
1236         /* Init TxBD ring */
1237         bd = (qe_bd_t *)uec->p_tx_bd_ring;
1238         uec->txBd = bd;
1239
1240         for (i = 0; i < uec_info->tx_bd_ring_len; i++) {
1241                 BD_DATA_CLEAR(bd);
1242                 BD_STATUS_SET(bd, 0);
1243                 BD_LENGTH_SET(bd, 0);
1244                 bd ++;
1245         }
1246         BD_STATUS_SET((--bd), TxBD_WRAP);
1247
1248         /* Init RxBD ring */
1249         bd = (qe_bd_t *)uec->p_rx_bd_ring;
1250         uec->rxBd = bd;
1251         buf = uec->p_rx_buf;
1252         for (i = 0; i < uec_info->rx_bd_ring_len; i++) {
1253                 BD_DATA_SET(bd, buf);
1254                 BD_LENGTH_SET(bd, 0);
1255                 BD_STATUS_SET(bd, RxBD_EMPTY);
1256                 buf += MAX_RXBUF_LEN;
1257                 bd ++;
1258         }
1259         BD_STATUS_SET((--bd), RxBD_WRAP | RxBD_EMPTY);
1260
1261         /* Init global Tx parameter RAM */
1262         uec_init_tx_parameter(uec, num_threads_tx);
1263
1264         /* Init global Rx parameter RAM */
1265         uec_init_rx_parameter(uec, num_threads_rx);
1266
1267         /* Init ethernet Tx and Rx parameter command */
1268         if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx,
1269                                          num_threads_rx)) {
1270                 printf("%s issue init enet cmd failed\n", __FUNCTION__);
1271                 return -ENOMEM;
1272         }
1273
1274         return 0;
1275 }
1276
1277 static int uec_init(struct eth_device* dev, bd_t *bd)
1278 {
1279         uec_private_t           *uec;
1280         int                     err, i;
1281         struct phy_info         *curphy;
1282
1283         uec = (uec_private_t *)dev->priv;
1284
1285         if (uec->the_first_run == 0) {
1286                 err = init_phy(dev);
1287                 if (err) {
1288                         printf("%s: Cannot initialize PHY, aborting.\n",
1289                                dev->name);
1290                         return err;
1291                 }
1292
1293                 curphy = uec->mii_info->phyinfo;
1294
1295                 if (curphy->config_aneg) {
1296                         err = curphy->config_aneg(uec->mii_info);
1297                         if (err) {
1298                                 printf("%s: Can't negotiate PHY\n", dev->name);
1299                                 return err;
1300                         }
1301                 }
1302
1303                 /* Give PHYs up to 5 sec to report a link */
1304                 i = 50;
1305                 do {
1306                         err = curphy->read_status(uec->mii_info);
1307                         udelay(100000);
1308                 } while (((i-- > 0) && !uec->mii_info->link) || err);
1309
1310                 if (err || i <= 0)
1311                         printf("warning: %s: timeout on PHY link\n", dev->name);
1312
1313                 uec->the_first_run = 1;
1314         }
1315
1316         /* Set up the MAC address */
1317         if (dev->enetaddr[0] & 0x01) {
1318                 printf("%s: MacAddress is multcast address\n",
1319                          __FUNCTION__);
1320                 return -1;
1321         }
1322         uec_set_mac_address(uec, dev->enetaddr);
1323
1324
1325         err = uec_open(uec, COMM_DIR_RX_AND_TX);
1326         if (err) {
1327                 printf("%s: cannot enable UEC device\n", dev->name);
1328                 return -1;
1329         }
1330
1331         phy_change(dev);
1332
1333         return (uec->mii_info->link ? 0 : -1);
1334 }
1335
1336 static void uec_halt(struct eth_device* dev)
1337 {
1338         uec_private_t   *uec = (uec_private_t *)dev->priv;
1339         uec_stop(uec, COMM_DIR_RX_AND_TX);
1340 }
1341
1342 static int uec_send(struct eth_device* dev, volatile void *buf, int len)
1343 {
1344         uec_private_t           *uec;
1345         ucc_fast_private_t      *uccf;
1346         volatile qe_bd_t        *bd;
1347         u16                     status;
1348         int                     i;
1349         int                     result = 0;
1350
1351         uec = (uec_private_t *)dev->priv;
1352         uccf = uec->uccf;
1353         bd = uec->txBd;
1354
1355         /* Find an empty TxBD */
1356         for (i = 0; bd->status & TxBD_READY; i++) {
1357                 if (i > 0x100000) {
1358                         printf("%s: tx buffer not ready\n", dev->name);
1359                         return result;
1360                 }
1361         }
1362
1363         /* Init TxBD */
1364         BD_DATA_SET(bd, buf);
1365         BD_LENGTH_SET(bd, len);
1366         status = bd->status;
1367         status &= BD_WRAP;
1368         status |= (TxBD_READY | TxBD_LAST);
1369         BD_STATUS_SET(bd, status);
1370
1371         /* Tell UCC to transmit the buffer */
1372         ucc_fast_transmit_on_demand(uccf);
1373
1374         /* Wait for buffer to be transmitted */
1375         for (i = 0; bd->status & TxBD_READY; i++) {
1376                 if (i > 0x100000) {
1377                         printf("%s: tx error\n", dev->name);
1378                         return result;
1379                 }
1380         }
1381
1382         /* Ok, the buffer be transimitted */
1383         BD_ADVANCE(bd, status, uec->p_tx_bd_ring);
1384         uec->txBd = bd;
1385         result = 1;
1386
1387         return result;
1388 }
1389
1390 static int uec_recv(struct eth_device* dev)
1391 {
1392         uec_private_t           *uec = dev->priv;
1393         volatile qe_bd_t        *bd;
1394         u16                     status;
1395         u16                     len;
1396         u8                      *data;
1397
1398         bd = uec->rxBd;
1399         status = bd->status;
1400
1401         while (!(status & RxBD_EMPTY)) {
1402                 if (!(status & RxBD_ERROR)) {
1403                         data = BD_DATA(bd);
1404                         len = BD_LENGTH(bd);
1405                         NetReceive(data, len);
1406                 } else {
1407                         printf("%s: Rx error\n", dev->name);
1408                 }
1409                 status &= BD_CLEAN;
1410                 BD_LENGTH_SET(bd, 0);
1411                 BD_STATUS_SET(bd, status | RxBD_EMPTY);
1412                 BD_ADVANCE(bd, status, uec->p_rx_bd_ring);
1413                 status = bd->status;
1414         }
1415         uec->rxBd = bd;
1416
1417         return 1;
1418 }
1419
1420 int uec_initialize(int index)
1421 {
1422         struct eth_device       *dev;
1423         int                     i;
1424         uec_private_t           *uec;
1425         uec_info_t              *uec_info;
1426         int                     err;
1427
1428         dev = (struct eth_device *)malloc(sizeof(struct eth_device));
1429         if (!dev)
1430                 return 0;
1431         memset(dev, 0, sizeof(struct eth_device));
1432
1433         /* Allocate the UEC private struct */
1434         uec = (uec_private_t *)malloc(sizeof(uec_private_t));
1435         if (!uec) {
1436                 return -ENOMEM;
1437         }
1438         memset(uec, 0, sizeof(uec_private_t));
1439
1440         /* Init UEC private struct, they come from board.h */
1441         uec_info = NULL;
1442         if (index == 0) {
1443 #ifdef CONFIG_UEC_ETH1
1444                 uec_info = &eth1_uec_info;
1445 #endif
1446         } else if (index == 1) {
1447 #ifdef CONFIG_UEC_ETH2
1448                 uec_info = &eth2_uec_info;
1449 #endif
1450         } else if (index == 2) {
1451 #ifdef CONFIG_UEC_ETH3
1452                 uec_info = &eth3_uec_info;
1453 #endif
1454         } else if (index == 3) {
1455 #ifdef CONFIG_UEC_ETH4
1456                 uec_info = &eth4_uec_info;
1457 #endif
1458         } else if (index == 4) {
1459 #ifdef CONFIG_UEC_ETH5
1460                 uec_info = &eth5_uec_info;
1461 #endif
1462         } else if (index == 5) {
1463 #ifdef CONFIG_UEC_ETH6
1464                 uec_info = &eth6_uec_info;
1465 #endif
1466         } else {
1467                 printf("%s: index is illegal.\n", __FUNCTION__);
1468                 return -EINVAL;
1469         }
1470
1471         devlist[index] = dev;
1472
1473         uec->uec_info = uec_info;
1474
1475         sprintf(dev->name, "FSL UEC%d", index);
1476         dev->iobase = 0;
1477         dev->priv = (void *)uec;
1478         dev->init = uec_init;
1479         dev->halt = uec_halt;
1480         dev->send = uec_send;
1481         dev->recv = uec_recv;
1482
1483         /* Clear the ethnet address */
1484         for (i = 0; i < 6; i++)
1485                 dev->enetaddr[i] = 0;
1486
1487         eth_register(dev);
1488
1489         err = uec_startup(uec);
1490         if (err) {
1491                 printf("%s: Cannot configure net device, aborting.",dev->name);
1492                 return err;
1493         }
1494
1495 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
1496         && !defined(BITBANGMII)
1497         miiphy_register(dev->name, uec_miiphy_read, uec_miiphy_write);
1498 #endif
1499
1500         return 1;
1501 }