b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Freescale Three Speed Ethernet Controller driver |
| 3 | * |
| 4 | * This software may be used and distributed according to the |
| 5 | * terms of the GNU Public License, Version 2, incorporated |
| 6 | * herein by reference. |
| 7 | * |
| 8 | * Copyright 2004-2011, 2013 Freescale Semiconductor, Inc. |
| 9 | * (C) Copyright 2003, Motorola, Inc. |
| 10 | * author Andy Fleming |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <config.h> |
| 15 | #include <common.h> |
| 16 | #include <malloc.h> |
| 17 | #include <net.h> |
| 18 | #include <command.h> |
| 19 | #include <tsec.h> |
| 20 | #include <fsl_mdio.h> |
| 21 | #include <asm/errno.h> |
| 22 | #include <asm/processor.h> |
| 23 | |
| 24 | DECLARE_GLOBAL_DATA_PTR; |
| 25 | |
| 26 | #define TX_BUF_CNT 2 |
| 27 | |
| 28 | static uint rx_idx; /* index of the current RX buffer */ |
| 29 | static uint tx_idx; /* index of the current TX buffer */ |
| 30 | |
| 31 | #ifdef __GNUC__ |
| 32 | static struct txbd8 __iomem txbd[TX_BUF_CNT] __aligned(8); |
| 33 | static struct rxbd8 __iomem rxbd[PKTBUFSRX] __aligned(8); |
| 34 | |
| 35 | #else |
| 36 | #error "rtx must be 64-bit aligned" |
| 37 | #endif |
| 38 | |
| 39 | static int tsec_send(struct eth_device *dev, void *packet, int length); |
| 40 | |
| 41 | /* Default initializations for TSEC controllers. */ |
| 42 | |
| 43 | static struct tsec_info_struct tsec_info[] = { |
| 44 | #ifdef CONFIG_TSEC1 |
| 45 | STD_TSEC_INFO(1), /* TSEC1 */ |
| 46 | #endif |
| 47 | #ifdef CONFIG_TSEC2 |
| 48 | STD_TSEC_INFO(2), /* TSEC2 */ |
| 49 | #endif |
| 50 | #ifdef CONFIG_MPC85XX_FEC |
| 51 | { |
| 52 | .regs = TSEC_GET_REGS(2, 0x2000), |
| 53 | .devname = CONFIG_MPC85XX_FEC_NAME, |
| 54 | .phyaddr = FEC_PHY_ADDR, |
| 55 | .flags = FEC_FLAGS, |
| 56 | .mii_devname = DEFAULT_MII_NAME |
| 57 | }, /* FEC */ |
| 58 | #endif |
| 59 | #ifdef CONFIG_TSEC3 |
| 60 | STD_TSEC_INFO(3), /* TSEC3 */ |
| 61 | #endif |
| 62 | #ifdef CONFIG_TSEC4 |
| 63 | STD_TSEC_INFO(4), /* TSEC4 */ |
| 64 | #endif |
| 65 | }; |
| 66 | |
| 67 | #define TBIANA_SETTINGS ( \ |
| 68 | TBIANA_ASYMMETRIC_PAUSE \ |
| 69 | | TBIANA_SYMMETRIC_PAUSE \ |
| 70 | | TBIANA_FULL_DUPLEX \ |
| 71 | ) |
| 72 | |
| 73 | /* By default force the TBI PHY into 1000Mbps full duplex when in SGMII mode */ |
| 74 | #ifndef CONFIG_TSEC_TBICR_SETTINGS |
| 75 | #define CONFIG_TSEC_TBICR_SETTINGS ( \ |
| 76 | TBICR_PHY_RESET \ |
| 77 | | TBICR_ANEG_ENABLE \ |
| 78 | | TBICR_FULL_DUPLEX \ |
| 79 | | TBICR_SPEED1_SET \ |
| 80 | ) |
| 81 | #endif /* CONFIG_TSEC_TBICR_SETTINGS */ |
| 82 | |
| 83 | /* Configure the TBI for SGMII operation */ |
| 84 | static void tsec_configure_serdes(struct tsec_private *priv) |
| 85 | { |
| 86 | /* Access TBI PHY registers at given TSEC register offset as opposed |
| 87 | * to the register offset used for external PHY accesses */ |
| 88 | tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa), |
| 89 | 0, TBI_ANA, TBIANA_SETTINGS); |
| 90 | tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa), |
| 91 | 0, TBI_TBICON, TBICON_CLK_SELECT); |
| 92 | tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa), |
| 93 | 0, TBI_CR, CONFIG_TSEC_TBICR_SETTINGS); |
| 94 | } |
| 95 | |
| 96 | #ifdef CONFIG_MCAST_TFTP |
| 97 | |
| 98 | /* CREDITS: linux gianfar driver, slightly adjusted... thanx. */ |
| 99 | |
| 100 | /* Set the appropriate hash bit for the given addr */ |
| 101 | |
| 102 | /* The algorithm works like so: |
| 103 | * 1) Take the Destination Address (ie the multicast address), and |
| 104 | * do a CRC on it (little endian), and reverse the bits of the |
| 105 | * result. |
| 106 | * 2) Use the 8 most significant bits as a hash into a 256-entry |
| 107 | * table. The table is controlled through 8 32-bit registers: |
| 108 | * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is entry |
| 109 | * 255. This means that the 3 most significant bits in the |
| 110 | * hash index which gaddr register to use, and the 5 other bits |
| 111 | * indicate which bit (assuming an IBM numbering scheme, which |
| 112 | * for PowerPC (tm) is usually the case) in the register holds |
| 113 | * the entry. */ |
| 114 | static int |
| 115 | tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set) |
| 116 | { |
| 117 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 118 | struct tsec __iomem *regs = priv->regs; |
| 119 | u32 result, value; |
| 120 | u8 whichbit, whichreg; |
| 121 | |
| 122 | result = ether_crc(MAC_ADDR_LEN, mcast_mac); |
| 123 | whichbit = (result >> 24) & 0x1f; /* the 5 LSB = which bit to set */ |
| 124 | whichreg = result >> 29; /* the 3 MSB = which reg to set it in */ |
| 125 | |
| 126 | value = 1 << (31-whichbit); |
| 127 | |
| 128 | if (set) |
| 129 | setbits_be32(®s->hash.gaddr0 + whichreg, value); |
| 130 | else |
| 131 | clrbits_be32(®s->hash.gaddr0 + whichreg, value); |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | #endif /* Multicast TFTP ? */ |
| 136 | |
| 137 | /* Initialized required registers to appropriate values, zeroing |
| 138 | * those we don't care about (unless zero is bad, in which case, |
| 139 | * choose a more appropriate value) |
| 140 | */ |
| 141 | static void init_registers(struct tsec __iomem *regs) |
| 142 | { |
| 143 | /* Clear IEVENT */ |
| 144 | out_be32(®s->ievent, IEVENT_INIT_CLEAR); |
| 145 | |
| 146 | out_be32(®s->imask, IMASK_INIT_CLEAR); |
| 147 | |
| 148 | out_be32(®s->hash.iaddr0, 0); |
| 149 | out_be32(®s->hash.iaddr1, 0); |
| 150 | out_be32(®s->hash.iaddr2, 0); |
| 151 | out_be32(®s->hash.iaddr3, 0); |
| 152 | out_be32(®s->hash.iaddr4, 0); |
| 153 | out_be32(®s->hash.iaddr5, 0); |
| 154 | out_be32(®s->hash.iaddr6, 0); |
| 155 | out_be32(®s->hash.iaddr7, 0); |
| 156 | |
| 157 | out_be32(®s->hash.gaddr0, 0); |
| 158 | out_be32(®s->hash.gaddr1, 0); |
| 159 | out_be32(®s->hash.gaddr2, 0); |
| 160 | out_be32(®s->hash.gaddr3, 0); |
| 161 | out_be32(®s->hash.gaddr4, 0); |
| 162 | out_be32(®s->hash.gaddr5, 0); |
| 163 | out_be32(®s->hash.gaddr6, 0); |
| 164 | out_be32(®s->hash.gaddr7, 0); |
| 165 | |
| 166 | out_be32(®s->rctrl, 0x00000000); |
| 167 | |
| 168 | /* Init RMON mib registers */ |
| 169 | memset((void *)®s->rmon, 0, sizeof(regs->rmon)); |
| 170 | |
| 171 | out_be32(®s->rmon.cam1, 0xffffffff); |
| 172 | out_be32(®s->rmon.cam2, 0xffffffff); |
| 173 | |
| 174 | out_be32(®s->mrblr, MRBLR_INIT_SETTINGS); |
| 175 | |
| 176 | out_be32(®s->minflr, MINFLR_INIT_SETTINGS); |
| 177 | |
| 178 | out_be32(®s->attr, ATTR_INIT_SETTINGS); |
| 179 | out_be32(®s->attreli, ATTRELI_INIT_SETTINGS); |
| 180 | |
| 181 | } |
| 182 | |
| 183 | /* Configure maccfg2 based on negotiated speed and duplex |
| 184 | * reported by PHY handling code |
| 185 | */ |
| 186 | static void adjust_link(struct tsec_private *priv, struct phy_device *phydev) |
| 187 | { |
| 188 | struct tsec __iomem *regs = priv->regs; |
| 189 | u32 ecntrl, maccfg2; |
| 190 | |
| 191 | if (!phydev->link) { |
| 192 | printf("%s: No link.\n", phydev->dev->name); |
| 193 | return; |
| 194 | } |
| 195 | |
| 196 | /* clear all bits relative with interface mode */ |
| 197 | ecntrl = in_be32(®s->ecntrl); |
| 198 | ecntrl &= ~ECNTRL_R100; |
| 199 | |
| 200 | maccfg2 = in_be32(®s->maccfg2); |
| 201 | maccfg2 &= ~(MACCFG2_IF | MACCFG2_FULL_DUPLEX); |
| 202 | |
| 203 | if (phydev->duplex) |
| 204 | maccfg2 |= MACCFG2_FULL_DUPLEX; |
| 205 | |
| 206 | switch (phydev->speed) { |
| 207 | case 1000: |
| 208 | maccfg2 |= MACCFG2_GMII; |
| 209 | break; |
| 210 | case 100: |
| 211 | case 10: |
| 212 | maccfg2 |= MACCFG2_MII; |
| 213 | |
| 214 | /* Set R100 bit in all modes although |
| 215 | * it is only used in RGMII mode |
| 216 | */ |
| 217 | if (phydev->speed == 100) |
| 218 | ecntrl |= ECNTRL_R100; |
| 219 | break; |
| 220 | default: |
| 221 | printf("%s: Speed was bad\n", phydev->dev->name); |
| 222 | break; |
| 223 | } |
| 224 | |
| 225 | out_be32(®s->ecntrl, ecntrl); |
| 226 | out_be32(®s->maccfg2, maccfg2); |
| 227 | |
| 228 | printf("Speed: %d, %s duplex%s\n", phydev->speed, |
| 229 | (phydev->duplex) ? "full" : "half", |
| 230 | (phydev->port == PORT_FIBRE) ? ", fiber mode" : ""); |
| 231 | } |
| 232 | |
| 233 | #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 |
| 234 | /* |
| 235 | * When MACCFG1[Rx_EN] is enabled during system boot as part |
| 236 | * of the eTSEC port initialization sequence, |
| 237 | * the eTSEC Rx logic may not be properly initialized. |
| 238 | */ |
| 239 | void redundant_init(struct eth_device *dev) |
| 240 | { |
| 241 | struct tsec_private *priv = dev->priv; |
| 242 | struct tsec __iomem *regs = priv->regs; |
| 243 | uint t, count = 0; |
| 244 | int fail = 1; |
| 245 | static const u8 pkt[] = { |
| 246 | 0x00, 0x1e, 0x4f, 0x12, 0xcb, 0x2c, 0x00, 0x25, |
| 247 | 0x64, 0xbb, 0xd1, 0xab, 0x08, 0x00, 0x45, 0x00, |
| 248 | 0x00, 0x5c, 0xdd, 0x22, 0x00, 0x00, 0x80, 0x01, |
| 249 | 0x1f, 0x71, 0x0a, 0xc1, 0x14, 0x22, 0x0a, 0xc1, |
| 250 | 0x14, 0x6a, 0x08, 0x00, 0xef, 0x7e, 0x02, 0x00, |
| 251 | 0x94, 0x05, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, |
| 252 | 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
| 253 | 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, |
| 254 | 0x77, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 255 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 256 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 257 | 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, |
| 258 | 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, |
| 259 | 0x71, 0x72}; |
| 260 | |
| 261 | /* Enable promiscuous mode */ |
| 262 | setbits_be32(®s->rctrl, 0x8); |
| 263 | /* Enable loopback mode */ |
| 264 | setbits_be32(®s->maccfg1, MACCFG1_LOOPBACK); |
| 265 | /* Enable transmit and receive */ |
| 266 | setbits_be32(®s->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN); |
| 267 | |
| 268 | /* Tell the DMA it is clear to go */ |
| 269 | setbits_be32(®s->dmactrl, DMACTRL_INIT_SETTINGS); |
| 270 | out_be32(®s->tstat, TSTAT_CLEAR_THALT); |
| 271 | out_be32(®s->rstat, RSTAT_CLEAR_RHALT); |
| 272 | clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); |
| 273 | |
| 274 | do { |
| 275 | uint16_t status; |
| 276 | tsec_send(dev, (void *)pkt, sizeof(pkt)); |
| 277 | |
| 278 | /* Wait for buffer to be received */ |
| 279 | for (t = 0; in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY; t++) { |
| 280 | if (t >= 10 * TOUT_LOOP) { |
| 281 | printf("%s: tsec: rx error\n", dev->name); |
| 282 | break; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | if (!memcmp(pkt, (void *)NetRxPackets[rx_idx], sizeof(pkt))) |
| 287 | fail = 0; |
| 288 | |
| 289 | out_be16(&rxbd[rx_idx].length, 0); |
| 290 | status = RXBD_EMPTY; |
| 291 | if ((rx_idx + 1) == PKTBUFSRX) |
| 292 | status |= RXBD_WRAP; |
| 293 | out_be16(&rxbd[rx_idx].status, status); |
| 294 | rx_idx = (rx_idx + 1) % PKTBUFSRX; |
| 295 | |
| 296 | if (in_be32(®s->ievent) & IEVENT_BSY) { |
| 297 | out_be32(®s->ievent, IEVENT_BSY); |
| 298 | out_be32(®s->rstat, RSTAT_CLEAR_RHALT); |
| 299 | } |
| 300 | if (fail) { |
| 301 | printf("loopback recv packet error!\n"); |
| 302 | clrbits_be32(®s->maccfg1, MACCFG1_RX_EN); |
| 303 | udelay(1000); |
| 304 | setbits_be32(®s->maccfg1, MACCFG1_RX_EN); |
| 305 | } |
| 306 | } while ((count++ < 4) && (fail == 1)); |
| 307 | |
| 308 | if (fail) |
| 309 | panic("eTSEC init fail!\n"); |
| 310 | /* Disable promiscuous mode */ |
| 311 | clrbits_be32(®s->rctrl, 0x8); |
| 312 | /* Disable loopback mode */ |
| 313 | clrbits_be32(®s->maccfg1, MACCFG1_LOOPBACK); |
| 314 | } |
| 315 | #endif |
| 316 | |
| 317 | /* Set up the buffers and their descriptors, and bring up the |
| 318 | * interface |
| 319 | */ |
| 320 | static void startup_tsec(struct eth_device *dev) |
| 321 | { |
| 322 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 323 | struct tsec __iomem *regs = priv->regs; |
| 324 | uint16_t status; |
| 325 | int i; |
| 326 | |
| 327 | /* reset the indices to zero */ |
| 328 | rx_idx = 0; |
| 329 | tx_idx = 0; |
| 330 | #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 |
| 331 | uint svr; |
| 332 | #endif |
| 333 | |
| 334 | /* Point to the buffer descriptors */ |
| 335 | out_be32(®s->tbase, (u32)&txbd[0]); |
| 336 | out_be32(®s->rbase, (u32)&rxbd[0]); |
| 337 | |
| 338 | /* Initialize the Rx Buffer descriptors */ |
| 339 | for (i = 0; i < PKTBUFSRX; i++) { |
| 340 | out_be16(&rxbd[i].status, RXBD_EMPTY); |
| 341 | out_be16(&rxbd[i].length, 0); |
| 342 | out_be32(&rxbd[i].bufptr, (u32)NetRxPackets[i]); |
| 343 | } |
| 344 | status = in_be16(&rxbd[PKTBUFSRX - 1].status); |
| 345 | out_be16(&rxbd[PKTBUFSRX - 1].status, status | RXBD_WRAP); |
| 346 | |
| 347 | /* Initialize the TX Buffer Descriptors */ |
| 348 | for (i = 0; i < TX_BUF_CNT; i++) { |
| 349 | out_be16(&txbd[i].status, 0); |
| 350 | out_be16(&txbd[i].length, 0); |
| 351 | out_be32(&txbd[i].bufptr, 0); |
| 352 | } |
| 353 | status = in_be16(&txbd[TX_BUF_CNT - 1].status); |
| 354 | out_be16(&txbd[TX_BUF_CNT - 1].status, status | TXBD_WRAP); |
| 355 | |
| 356 | #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 |
| 357 | svr = get_svr(); |
| 358 | if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) |
| 359 | redundant_init(dev); |
| 360 | #endif |
| 361 | /* Enable Transmit and Receive */ |
| 362 | setbits_be32(®s->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN); |
| 363 | |
| 364 | /* Tell the DMA it is clear to go */ |
| 365 | setbits_be32(®s->dmactrl, DMACTRL_INIT_SETTINGS); |
| 366 | out_be32(®s->tstat, TSTAT_CLEAR_THALT); |
| 367 | out_be32(®s->rstat, RSTAT_CLEAR_RHALT); |
| 368 | clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); |
| 369 | } |
| 370 | |
| 371 | /* This returns the status bits of the device. The return value |
| 372 | * is never checked, and this is what the 8260 driver did, so we |
| 373 | * do the same. Presumably, this would be zero if there were no |
| 374 | * errors |
| 375 | */ |
| 376 | static int tsec_send(struct eth_device *dev, void *packet, int length) |
| 377 | { |
| 378 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 379 | struct tsec __iomem *regs = priv->regs; |
| 380 | uint16_t status; |
| 381 | int result = 0; |
| 382 | int i; |
| 383 | |
| 384 | /* Find an empty buffer descriptor */ |
| 385 | for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) { |
| 386 | if (i >= TOUT_LOOP) { |
| 387 | debug("%s: tsec: tx buffers full\n", dev->name); |
| 388 | return result; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | out_be32(&txbd[tx_idx].bufptr, (u32)packet); |
| 393 | out_be16(&txbd[tx_idx].length, length); |
| 394 | status = in_be16(&txbd[tx_idx].status); |
| 395 | out_be16(&txbd[tx_idx].status, status | |
| 396 | (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT)); |
| 397 | |
| 398 | /* Tell the DMA to go */ |
| 399 | out_be32(®s->tstat, TSTAT_CLEAR_THALT); |
| 400 | |
| 401 | /* Wait for buffer to be transmitted */ |
| 402 | for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) { |
| 403 | if (i >= TOUT_LOOP) { |
| 404 | debug("%s: tsec: tx error\n", dev->name); |
| 405 | return result; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | tx_idx = (tx_idx + 1) % TX_BUF_CNT; |
| 410 | result = in_be16(&txbd[tx_idx].status) & TXBD_STATS; |
| 411 | |
| 412 | return result; |
| 413 | } |
| 414 | |
| 415 | static int tsec_recv(struct eth_device *dev) |
| 416 | { |
| 417 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 418 | struct tsec __iomem *regs = priv->regs; |
| 419 | |
| 420 | while (!(in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY)) { |
| 421 | int length = in_be16(&rxbd[rx_idx].length); |
| 422 | uint16_t status = in_be16(&rxbd[rx_idx].status); |
| 423 | |
| 424 | /* Send the packet up if there were no errors */ |
| 425 | if (!(status & RXBD_STATS)) |
| 426 | NetReceive(NetRxPackets[rx_idx], length - 4); |
| 427 | else |
| 428 | printf("Got error %x\n", (status & RXBD_STATS)); |
| 429 | |
| 430 | out_be16(&rxbd[rx_idx].length, 0); |
| 431 | |
| 432 | status = RXBD_EMPTY; |
| 433 | /* Set the wrap bit if this is the last element in the list */ |
| 434 | if ((rx_idx + 1) == PKTBUFSRX) |
| 435 | status |= RXBD_WRAP; |
| 436 | out_be16(&rxbd[rx_idx].status, status); |
| 437 | |
| 438 | rx_idx = (rx_idx + 1) % PKTBUFSRX; |
| 439 | } |
| 440 | |
| 441 | if (in_be32(®s->ievent) & IEVENT_BSY) { |
| 442 | out_be32(®s->ievent, IEVENT_BSY); |
| 443 | out_be32(®s->rstat, RSTAT_CLEAR_RHALT); |
| 444 | } |
| 445 | |
| 446 | return -1; |
| 447 | |
| 448 | } |
| 449 | |
| 450 | /* Stop the interface */ |
| 451 | static void tsec_halt(struct eth_device *dev) |
| 452 | { |
| 453 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 454 | struct tsec __iomem *regs = priv->regs; |
| 455 | |
| 456 | clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); |
| 457 | setbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); |
| 458 | |
| 459 | while ((in_be32(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) |
| 460 | != (IEVENT_GRSC | IEVENT_GTSC)) |
| 461 | ; |
| 462 | |
| 463 | clrbits_be32(®s->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN); |
| 464 | |
| 465 | /* Shut down the PHY, as needed */ |
| 466 | phy_shutdown(priv->phydev); |
| 467 | } |
| 468 | |
| 469 | /* Initializes data structures and registers for the controller, |
| 470 | * and brings the interface up. Returns the link status, meaning |
| 471 | * that it returns success if the link is up, failure otherwise. |
| 472 | * This allows u-boot to find the first active controller. |
| 473 | */ |
| 474 | static int tsec_init(struct eth_device *dev, bd_t * bd) |
| 475 | { |
| 476 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 477 | struct tsec __iomem *regs = priv->regs; |
| 478 | u32 tempval; |
| 479 | int ret; |
| 480 | |
| 481 | /* Make sure the controller is stopped */ |
| 482 | tsec_halt(dev); |
| 483 | |
| 484 | /* Init MACCFG2. Defaults to GMII */ |
| 485 | out_be32(®s->maccfg2, MACCFG2_INIT_SETTINGS); |
| 486 | |
| 487 | /* Init ECNTRL */ |
| 488 | out_be32(®s->ecntrl, ECNTRL_INIT_SETTINGS); |
| 489 | |
| 490 | /* Copy the station address into the address registers. |
| 491 | * For a station address of 0x12345678ABCD in transmission |
| 492 | * order (BE), MACnADDR1 is set to 0xCDAB7856 and |
| 493 | * MACnADDR2 is set to 0x34120000. |
| 494 | */ |
| 495 | tempval = (dev->enetaddr[5] << 24) | (dev->enetaddr[4] << 16) | |
| 496 | (dev->enetaddr[3] << 8) | dev->enetaddr[2]; |
| 497 | |
| 498 | out_be32(®s->macstnaddr1, tempval); |
| 499 | |
| 500 | tempval = (dev->enetaddr[1] << 24) | (dev->enetaddr[0] << 16); |
| 501 | |
| 502 | out_be32(®s->macstnaddr2, tempval); |
| 503 | |
| 504 | /* Clear out (for the most part) the other registers */ |
| 505 | init_registers(regs); |
| 506 | |
| 507 | /* Ready the device for tx/rx */ |
| 508 | startup_tsec(dev); |
| 509 | |
| 510 | /* Start up the PHY */ |
| 511 | ret = phy_startup(priv->phydev); |
| 512 | if (ret) { |
| 513 | printf("Could not initialize PHY %s\n", |
| 514 | priv->phydev->dev->name); |
| 515 | return ret; |
| 516 | } |
| 517 | |
| 518 | adjust_link(priv, priv->phydev); |
| 519 | |
| 520 | /* If there's no link, fail */ |
| 521 | return priv->phydev->link ? 0 : -1; |
| 522 | } |
| 523 | |
| 524 | static phy_interface_t tsec_get_interface(struct tsec_private *priv) |
| 525 | { |
| 526 | struct tsec __iomem *regs = priv->regs; |
| 527 | u32 ecntrl; |
| 528 | |
| 529 | ecntrl = in_be32(®s->ecntrl); |
| 530 | |
| 531 | if (ecntrl & ECNTRL_SGMII_MODE) |
| 532 | return PHY_INTERFACE_MODE_SGMII; |
| 533 | |
| 534 | if (ecntrl & ECNTRL_TBI_MODE) { |
| 535 | if (ecntrl & ECNTRL_REDUCED_MODE) |
| 536 | return PHY_INTERFACE_MODE_RTBI; |
| 537 | else |
| 538 | return PHY_INTERFACE_MODE_TBI; |
| 539 | } |
| 540 | |
| 541 | if (ecntrl & ECNTRL_REDUCED_MODE) { |
| 542 | if (ecntrl & ECNTRL_REDUCED_MII_MODE) |
| 543 | return PHY_INTERFACE_MODE_RMII; |
| 544 | else { |
| 545 | phy_interface_t interface = priv->interface; |
| 546 | |
| 547 | /* |
| 548 | * This isn't autodetected, so it must |
| 549 | * be set by the platform code. |
| 550 | */ |
| 551 | if ((interface == PHY_INTERFACE_MODE_RGMII_ID) || |
| 552 | (interface == PHY_INTERFACE_MODE_RGMII_TXID) || |
| 553 | (interface == PHY_INTERFACE_MODE_RGMII_RXID)) |
| 554 | return interface; |
| 555 | |
| 556 | return PHY_INTERFACE_MODE_RGMII; |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | if (priv->flags & TSEC_GIGABIT) |
| 561 | return PHY_INTERFACE_MODE_GMII; |
| 562 | |
| 563 | return PHY_INTERFACE_MODE_MII; |
| 564 | } |
| 565 | |
| 566 | |
| 567 | /* Discover which PHY is attached to the device, and configure it |
| 568 | * properly. If the PHY is not recognized, then return 0 |
| 569 | * (failure). Otherwise, return 1 |
| 570 | */ |
| 571 | static int init_phy(struct eth_device *dev) |
| 572 | { |
| 573 | struct tsec_private *priv = (struct tsec_private *)dev->priv; |
| 574 | struct phy_device *phydev; |
| 575 | struct tsec __iomem *regs = priv->regs; |
| 576 | u32 supported = (SUPPORTED_10baseT_Half | |
| 577 | SUPPORTED_10baseT_Full | |
| 578 | SUPPORTED_100baseT_Half | |
| 579 | SUPPORTED_100baseT_Full); |
| 580 | |
| 581 | if (priv->flags & TSEC_GIGABIT) |
| 582 | supported |= SUPPORTED_1000baseT_Full; |
| 583 | |
| 584 | /* Assign a Physical address to the TBI */ |
| 585 | out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); |
| 586 | |
| 587 | priv->interface = tsec_get_interface(priv); |
| 588 | |
| 589 | if (priv->interface == PHY_INTERFACE_MODE_SGMII) |
| 590 | tsec_configure_serdes(priv); |
| 591 | |
| 592 | phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface); |
| 593 | |
| 594 | phydev->supported &= supported; |
| 595 | phydev->advertising = phydev->supported; |
| 596 | |
| 597 | priv->phydev = phydev; |
| 598 | |
| 599 | phy_config(phydev); |
| 600 | |
| 601 | return 1; |
| 602 | } |
| 603 | |
| 604 | /* Initialize device structure. Returns success if PHY |
| 605 | * initialization succeeded (i.e. if it recognizes the PHY) |
| 606 | */ |
| 607 | static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) |
| 608 | { |
| 609 | struct eth_device *dev; |
| 610 | int i; |
| 611 | struct tsec_private *priv; |
| 612 | |
| 613 | dev = (struct eth_device *)malloc(sizeof *dev); |
| 614 | |
| 615 | if (NULL == dev) |
| 616 | return 0; |
| 617 | |
| 618 | memset(dev, 0, sizeof *dev); |
| 619 | |
| 620 | priv = (struct tsec_private *)malloc(sizeof(*priv)); |
| 621 | |
| 622 | if (NULL == priv) |
| 623 | return 0; |
| 624 | |
| 625 | priv->regs = tsec_info->regs; |
| 626 | priv->phyregs_sgmii = tsec_info->miiregs_sgmii; |
| 627 | |
| 628 | priv->phyaddr = tsec_info->phyaddr; |
| 629 | priv->flags = tsec_info->flags; |
| 630 | |
| 631 | sprintf(dev->name, tsec_info->devname); |
| 632 | priv->interface = tsec_info->interface; |
| 633 | priv->bus = miiphy_get_dev_by_name(tsec_info->mii_devname); |
| 634 | dev->iobase = 0; |
| 635 | dev->priv = priv; |
| 636 | dev->init = tsec_init; |
| 637 | dev->halt = tsec_halt; |
| 638 | dev->send = tsec_send; |
| 639 | dev->recv = tsec_recv; |
| 640 | #ifdef CONFIG_MCAST_TFTP |
| 641 | dev->mcast = tsec_mcast_addr; |
| 642 | #endif |
| 643 | |
| 644 | /* Tell u-boot to get the addr from the env */ |
| 645 | for (i = 0; i < 6; i++) |
| 646 | dev->enetaddr[i] = 0; |
| 647 | |
| 648 | eth_register(dev); |
| 649 | |
| 650 | /* Reset the MAC */ |
| 651 | setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); |
| 652 | udelay(2); /* Soft Reset must be asserted for 3 TX clocks */ |
| 653 | clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); |
| 654 | |
| 655 | /* Try to initialize PHY here, and return */ |
| 656 | return init_phy(dev); |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | * Initialize all the TSEC devices |
| 661 | * |
| 662 | * Returns the number of TSEC devices that were initialized |
| 663 | */ |
| 664 | int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num) |
| 665 | { |
| 666 | int i; |
| 667 | int ret, count = 0; |
| 668 | |
| 669 | for (i = 0; i < num; i++) { |
| 670 | ret = tsec_initialize(bis, &tsecs[i]); |
| 671 | if (ret > 0) |
| 672 | count += ret; |
| 673 | } |
| 674 | |
| 675 | return count; |
| 676 | } |
| 677 | |
| 678 | int tsec_standard_init(bd_t *bis) |
| 679 | { |
| 680 | struct fsl_pq_mdio_info info; |
| 681 | |
| 682 | info.regs = TSEC_GET_MDIO_REGS_BASE(1); |
| 683 | info.name = DEFAULT_MII_NAME; |
| 684 | |
| 685 | fsl_pq_mdio_init(bis, &info); |
| 686 | |
| 687 | return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info)); |
| 688 | } |