BCM56270交换芯片寄存器参考指南

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"BCM56270交换芯片的寄存器手册，由博通公司发布，适用于SunRay Electronics (HK) Co., Ltd." BCM56270是博通公司设计的一款高性能交换芯片，主要用于构建网络基础设施，如数据中心、企业网络和电信应用。这款芯片提供了丰富的功能和高度的灵活性，能够处理高带宽的需求并支持多种网络协议。寄存器手册是编程者和系统设计者的重要参考文档，它详细介绍了BCM56270芯片中各种寄存器的配置和操作。寄存器在微处理器和数字逻辑系统中起着至关重要的作用，它们存储和传递数据，控制芯片的不同功能模块。BCM56270的寄存器手册包含了一系列关于如何配置和访问这些寄存器的信息，包括但不限于以下几点： 1. **寄存器结构**：手册详细描述了BCM56270中每个寄存器的位分配，包括每一位的含义、可读写属性以及默认值。这有助于开发者理解芯片内部的工作原理，并正确设置芯片的运行参数。 2. **寄存器功能**：手册列出了所有寄存器的功能，如端口配置、MAC地址管理、QoS（服务质量）、流分类、VLAN（虚拟局域网）处理、错误检测与纠正等，这使得开发者可以根据网络需求进行精确的配置。 3. **编程接口**：提供了访问寄存器的API（应用程序编程接口）规范，包括读取、写入寄存器的操作，以及中断处理和同步原语，帮助开发者编写驱动程序或固件。 4. **错误处理和调试**：手册可能包含了错误状态寄存器的描述，这些寄存器可以帮助开发者诊断系统故障，通过读取和分析错误代码来定位问题。 5. **性能优化**：指导如何通过调整寄存器设置来优化芯片性能，例如，提高转发速率、减少延迟、增强能效等。 6. **硬件更新和改进**：博通保留了对产品进行无进一步通知的更改权利，这意味着手册可能还涵盖了如何适应芯片的未来版本或修订版。 7. **法律责任**：尽管博通提供的信息被认为准确可靠，但不承担因应用或使用这些信息而产生的任何责任，用户需要自行承担应用和设计风险。在实际开发过程中，工程师需要深入理解和应用这本寄存器手册，以便充分利用BCM56270交换芯片的强大功能，实现高效、稳定的网络系统设计。同时，开发者还需要关注博通的官方网站以获取最新的技术更新和文档修订，确保其设计始终保持最新状态。

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2/23/2017 RHGO9

List of TablesBCM56270 Programmer’s Register Reference Guide

Broadcom

June 8, 2016 • 56270-PR100-R Page 16

Table 184: TXFIR_CTL4................................................................................................................................ 353

Table 185: TX_PI_CTL0 ................................................................................................................................ 353

Table 186: UC_ADDR.................................................................................................................................... 354

Table 187: UC_DWNLOAD_STS .................................................................................................................. 355

Table 188: UC_RAM_RDDATA ..................................................................................................................... 355

Table 189: UC_RAM_WRDATA .................................................................................................................... 355

Table 190: UC_TEMPERATURE_STS.......................................................................................................... 355

Table 191: AN_X1_BAM_SPD_PRI_11_6 .................................................................................................... 356

Table 192: AN_X1_BAM_SPD_PRI_17_12 .................................................................................................. 356

Table 193: AN_X1_BAM_SPD_PRI_23_18 .................................................................................................. 357

Table 194: AN_X1_BAM_SPD_PRI_29_24 .................................................................................................. 357

Table 195: AN_X1_BAM_SPD_PRI_35_30 .................................................................................................. 358

Table 196: AN_X1_BAM_SPD_PRI_5_0 ...................................................................................................... 358

Table 197: AN_X1_CL37_ACK...................................................................................................................... 359

Table 198: AN_X1_CL37_ERR ..................................................................................................................... 359

Table 199: AN_X1_CL37_RESTART ............................................................................................................ 359

Table 200: AN_X1_CL73_BRK_LNK............................................................................................................. 360

Table 201: AN_X1_CL73_DME_LOCK ......................................................................................................... 360

Table 202: AN_X1_CL73_ERR ..................................................................................................................... 360

Table 203: AN_X1_LNK_FAIL_INHBT_TMR_CL72...................................................................................... 361

Table 204: AN_X1_LNK_FAIL_INHBT_TMR_NOT_CL72 ............................................................................ 361

Table 205: AN_X1_LNK_UP.......................................................................................................................... 361

Table 206: AN_X1_PD_SD_TMR.................................................................................................................. 361

Table 207: AN_X1_PD_TO_CL37_LNK_WAIT_TMR ................................................................................... 362

Table 208: AN_X1_SGMII_CL73_TMR_TYPE.............................................................................................. 362

Table 209: AN_X4_AN_ABIL_RESOLUTION_STS ...................................................................................... 362

Table 210: AN_X4_AN_MISC_STS............................................................................................................... 363

Table 211: AN_X4_AN_PAGE_DECR_STS ................................................................................................. 363

Table 212: AN_X4_AN_PAGE_EXCHANGEER_STS .................................................................................. 364

Table 213: AN_X4_AN_PAGE_SEQUENCER_STS..................................................................................... 365

Table 214: AN_X4_AN_SEQ_UNEXPECTED_PAGE .................................................................................. 366

Table 215: AN_X4_ENS ................................................................................................................................ 366

Table 216: AN_X4_LOC_DEV_CL37_BASE_ABIL....................................................................................... 367

Table 217: AN_X4_LOC_DEV_CL73_BAM_ABIL......................................................................................... 368

Table 218: AN_X4_LOC_DEV_CL73_BASE_ABIL0..................................................................................... 368

Table 219: AN_X4_LOC_DEV_OVER1G_ABIL0 .......................................................................................... 369

Table 220: AN_X4_LOC_DEV_OVER1G_ABIL1 .......................................................................................... 369

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2/23/2017 RHGO9

List of TablesBCM56270 Programmer’s Register Reference Guide

Broadcom

June 8, 2016 • 56270-PR100-R Page 17

Table 221: AN_X4_LP_BASE_PAGE1.......................................................................................................... 370

Table 222: AN_X4_LP_BASE_PAGE2.......................................................................................................... 371

Table 223: AN_X4_LP_BASE_PAGE3.......................................................................................................... 371

Table 224: AN_X4_LP_MP1024_UP1........................................................................................................... 372

Table 225: AN_X4_LP_MP1024_UP2........................................................................................................... 372

Table 226: AN_X4_LP_MP1024_UP3........................................................................................................... 373

Table 227: AN_X4_LP_MP1024_UP4........................................................................................................... 373

Table 228: AN_X4_LP_MP5_UP1................................................................................................................. 374

Table 229: AN_X4_LP_MP5_UP2................................................................................................................. 374

Table 230: AN_X4_LP_MP5_UP4................................................................................................................. 375

Table 231: AN_X4_SW_CTL_STS ................................................................................................................ 375

Table 232: AN_X4_TLA_SEQUENCER_STS ...............................................................................................375

Table 233: CL72_LNK_CTL........................................................................................................................... 376

Table 234: CL82_BER_HO_STS................................................................................................................... 376

Table 235: CL82_PCS_ERRED_BLKS_HO.................................................................................................. 376

Table 236: CL82_RX_DECR_STS ................................................................................................................ 377

Table 237: CL82_RX_DESKEW_BER_STS ................................................................................................. 377

Table 238: ILKN_CTL0 .................................................................................................................................. 378

Table 239: ILKN_STS0 .................................................................................................................................. 378

Table 240: MAIN0_DEVINPKG5 ................................................................................................................... 379

Table 241: MAIN0_LN_SWP ......................................................................................................................... 380

Table 242: MAIN0_LPBK_CTL...................................................................................................................... 380

Table 243: MAIN0_MDIO_BCST ................................................................................................................... 380

Table 244: MAIN0_SERDESID...................................................................................................................... 381

Table 245: MAIN0_SETUP ............................................................................................................................ 382

Table 246: MEM_ECC_DESKEW_STS ........................................................................................................ 382

Table 247: MEM_ECC_RFEC0_STS ............................................................................................................ 383

Table 248: MEM_ECC_RFEC1_STS ............................................................................................................ 383

Table 249: MISC_CL72_EN_MASK .............................................................................................................. 384

Table 250: MISC_SCRMBLR_CTL................................................................................................................ 384

Table 251: MISC_TX_RATE_MISMATCH..................................................................................................... 385

Table 252: MISC_XGXSSTS0 ....................................................................................................................... 385

Table 253: PATGEN_RXPKTCNT_L....................................................................................................

......... 385

Table 254: PATGEN_RXPKTCNT_U ............................................................................................................ 386

Table 255: PATGEN_TXPKTCNT_L ............................................................................................................. 386

Table 256: PATGEN_TXPKTCNT_U............................................................................................................. 386

Table 257: PHYID2 ........................................................................................................................................ 386

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2/23/2017 RHGO9

List of TablesBCM56270 Programmer’s Register Reference Guide

Broadcom

June 8, 2016 • 56270-PR100-R Page 18

Table 258: PHYID3 ........................................................................................................................................ 387

Table 259: PKTGEN_CRCERRCNT ............................................................................................................. 387

Table 260: PKTGEN_CTL1 ........................................................................................................................... 387

Table 261: PKTGEN_CTL2 ........................................................................................................................... 388

Table 262: PKTGEN_PRTPCTL.................................................................................................................... 388

Table 263: PKTGEN_PRTPERRCTR............................................................................................................ 389

Table 264: PKTGEN_PRTPLOCKSTS.......................................................................................................... 389

Table 265: PMD_X1_STS.............................................................................................................................. 389

Table 266: PMD_X4_CTL.............................................................................................................................. 389

Table 267: PMD_X4_MODE.......................................................................................................................... 390

Table 268: PMD_X4_STS.............................................................................................................................. 390

Table 269: RX_X2_MISC0............................................................................................................................. 390

Table 270: RX_X2_MISC1............................................................................................................................. 391

Table 271: RX_X2_SKEW_STS0 .................................................................................................................. 392

Table 272: RX_X2_SKEW_STS1 .................................................................................................................. 393

Table 273: RX_X4_BERCNT......................................................................................................................... 393

Table 274: RX_X4_CL36_RX0 ...................................................................................................................... 393

Table 275: RX_X4_CL49_LOCK_FSM_STS.................................................................................................394

Table 276: RX_X4_CL82_AM_LATCH_STS................................................................................................. 394

Table 277: RX_X4_CL82_AM_LIVE_STS..................................................................................................... 395

Table 278: RX_X4_DEC_CTL0 ..................................................................................................................... 395

Table 279: RX_X4_DEC_STS0 ..................................................................................................................... 396

Table 280: RX_X4_DEC_STS1 ..................................................................................................................... 397

Table 281: RX_X4_DEC_STS2 ..................................................................................................................... 397

Table 282: RX_X4_DEC_STS3 ..................................................................................................................... 398

Table 283: RX_X4_DEC_STS4 ..................................................................................................................... 398

Table 284: RX_X4_DEC_STS5 ..................................................................................................................... 399

Table 285: RX_X4_FEC0 .............................................................................................................................. 400

Table 286: RX_X4_FEC1 .............................................................................................................................. 400

Table 287: RX_X4_FEC_CORRBLKSH ........................................................................................................ 401

Table 288: RX_X4_FEC_CORRBLKSL......................................................................................................... 401

Table 289: RX_X4_FEC_UNCORRBLKSH................................................................................................... 401

Table 290: RX_X4_FEC_UNCORRBLKSL ................................................................................................... 401

Table 291: RX_X4_GBOX_STS .................................................................................................................... 402

Table 292: RX_X4_PCS_CTL0 ..................................................................................................................... 402

Table 293: RX_X4_PCS_LATCH_STS0 ....................................................................................................... 403

Table 294: RX_X4_PCS_LATCH_STS1 ....................................................................................................... 404

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2/23/2017 RHGO9

List of TablesBCM56270 Programmer’s Register Reference Guide

Broadcom

June 8, 2016 • 56270-PR100-R Page 19

Table 295: RX_X4_PCS_LIVE_STS ............................................................................................................. 404

Table 296: RX_X4_PMA_CTL0 ..................................................................................................................... 405

Table 297: RX_X4_SYNCACQ_STS0........................................................................................................... 405

Table 298: RX_X4_SYNCACQ_STS1........................................................................................................... 406

Table 299: RX_X4_T12_FEC_CORRBLKSH................................................................................................ 406

Table 300: RX_X4_T12_FEC_CORRBLKSL ................................................................................................ 406

Table 301: RX_X4_T12_FEC_UNCORRBLKSH........................................................................................... 407

Table 302: RX_X4_T12_FEC_UNCORRBLKSL ........................................................................................... 407

Table 303: SC_X1_PIPE_RST_CNT............................................................................................................. 407

Table 304: SC_X1_PLL_LOCK_TMR............................................................................................................ 407

Table 305: SC_X1_PMD_LOCK_TMR .......................................................................................................... 408

Table 306: SC_X1_SPD_OVRR0_0.............................................................................................................. 408

Table 307: SC_X1_SPD_OVRR0_1.............................................................................................................. 409

Table 308: SC_X1_SPD_OVRR0_SPD ........................................................................................................ 409

Table 309: SC_X1_SPD_OVRR1_0.............................................................................................................. 410

Table 310: SC_X1_SPD_OVRR1_1.............................................................................................................. 411

Table 311: SC_X1_SPD_OVRR1_SPD ........................................................................................................ 411

Table 312: SC_X1_SPD_OVRR2_0.............................................................................................................. 412

Table 313: SC_X1_SPD_OVRR2_1.............................................................................................................. 413

Table 314: SC_X1_SPD_OVRR2_SPD ........................................................................................................ 413

Table 315: SC_X1_SPD_OVRR3_0.............................................................................................................. 414

Table 316: SC_X1_SPD_OVRR3_1.............................................................................................................. 415

Table 317: SC_X1_SPD_OVRR3_SPD ........................................................................................................ 415

Table 318: SC_X1_STS................................................................................................................................. 416

Table 319: SC_X1_TX_RST_CNT ................................................................................................................ 416

Table 320: SC_X4_CTL................................................................................................................................. 416

Table 321: SC_X4_ERR ................................................................................................................................ 417

Table 322: SC_X4_RSLVD0.......................................................................................................................... 417

Table 323: SC_X4_RSLVD1.......................................................................................................................... 418

Table 324: SC_X4_RSLVD2.......................................................................................................................... 419

Table 325: SC_X4_RSLVD3.......................................................................................................................... 419

Table 326: SC_X4_STS................................................................................................................................. 419

Table 327: TX_X2_CL82_TX_STS0.............................................................................................................. 420

Table 328: TX_X4_ENC0 .............................................................................................................................. 420

Table 329: TX_X4_ENC_STS0 ..................................................................................................................... 421

Table 330: TX_X4_MISC ............................................................................................................................... 422

Table 331: TX_X4_PCS_STS........................................................................................................................ 423

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2/23/2017 RHGO9

List of TablesBCM56270 Programmer’s Register Reference Guide

Broadcom

June 8, 2016 • 56270-PR100-R Page 20

Table 332: AER.............................................................................................................................................. 424

Table 333: AUTONEGADV............................................................................................................................ 424

Table 334: AUTONEGEXP ............................................................................................................................ 425

Table 335: AUTONEGLPABIL ....................................................................................................................... 425

Table 336: BLKADDR0 .................................................................................................................................. 426

Table 337: BLKADDR1 .................................................................................................................................. 426

Table 338: COMBO_AUTONEGADV ............................................................................................................ 426

Table 339: COMBO_AUTONEGEXP ............................................................................................................ 427

Table 340: COMBO_AUTONEGLPABIL ....................................................................................................... 427

Table 341: COMBO_ID1................................................................................................................................ 428

Table 342: COMBO_ID2................................................................................................................................ 429

Table 343: COMBO_MIICTL.......................................................................................................................... 429

Table 344: COMBO_MIIEXTSTAT ................................................................................................................ 430

Table 345: COMBO_MIISTAT ....................................................................................................................... 430

Table 346: DIG_BADCODEGROUP.............................................................................................................. 431

Table 347: DIG_CTL1000X1 ......................................................................................................................... 432

Table 348: DIG_CTL1000X2 ......................................................................................................................... 433

Table 349: DIG_CTL1000X3 ......................................................................................................................... 434

Table 350: DIG_CTL1000X4 ......................................................................................................................... 434

Table 351: DIG_MISC3.................................................................................................................................. 435

Table 352: DIG_MISC8.................................................................................................................................. 435

Table 353: DIG_RXPKTCNT ......................................................................................................................... 435

Table 354: DIG_STS1000X1 ......................................................................................................................... 436

Table 355: DIG_STS1000X2 ......................................................................................................................... 437

Table 356: DIG_STS1000X3 ......................................................................................................................... 438

Table 357: DIG_TXPKTCNT.......................................................................................................................... 439

Table 358: EEECTL ....................................................................................................................................... 439

Table 359: ID1 ............................................................................................................................................... 439

Table 360: ID2 ............................................................................................................................................... 440

Table 361: LANECTL2................................................................................................................................... 440

Table 362: LANECTL3................................................................................................................................... 440

Table 363: LANEPRBS.................................................................................................................................. 441

Table 364: LANERESET................................................................................................................................ 441

Table 365: MIICTL ......................................................................................................................................... 441

Table 366: MIIEXTSTAT................................................................................................................................ 442

Table 367: MIISTAT....................................................................................................................................... 443

Table 368: MISCCTL1 ................................................................................................................................... 444