/****************************************************************************** * * Name: skxmac2.c * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.91 $ * Date: $Date: 2003/02/05 15:09:34 $ * Purpose: Contains functions to initialize the MACs and PHYs * ******************************************************************************/ /****************************************************************************** * * (C)Copyright 1998-2003 SysKonnect GmbH. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * The information in this file is provided "AS IS" without warranty. * ******************************************************************************/ /****************************************************************************** * * History: * * $Log: skxmac2.c,v $ * Revision 1.91 2003/02/05 15:09:34 rschmidt * Removed setting of 'Collision Test'-bit in SkGmInitPhyMarv(). * Disabled auto-update for speed, duplex and flow-control when * auto-negotiation is not enabled (Bug Id #10766). * Editorial changes. * * Revision 1.90 2003/01/29 13:35:19 rschmidt * Increment Rx FIFO Overflow counter only in DEBUG-mode. * Corrected define for blinking active LED. * * Revision 1.89 2003/01/28 16:37:45 rschmidt * Changed init for blinking active LED * * Revision 1.88 2003/01/28 10:09:38 rschmidt * Added debug outputs in SkGmInitMac(). * Added customized init of LED registers in SkGmInitPhyMarv(), * for blinking active LED (#ifdef ACT_LED_BLINK) and * for normal duplex LED (#ifdef DUP_LED_NORMAL). * Editorial changes. * * Revision 1.87 2002/12/10 14:39:05 rschmidt * Improved initialization of GPHY in SkGmInitPhyMarv(). * Editorial changes. * * Revision 1.86 2002/12/09 15:01:12 rschmidt * Added setup of Ext. PHY Specific Ctrl Reg (downshift feature). * * Revision 1.85 2002/12/05 14:09:16 rschmidt * Improved avoiding endless loop in SkGmPhyWrite(), SkGmPhyWrite(). * Added additional advertising for 10Base-T when 100Base-T is selected. * Added case SK_PHY_MARV_FIBER for YUKON Fiber adapter. * Editorial changes. * * Revision 1.84 2002/11/15 12:50:09 rschmidt * Changed SkGmCableDiagStatus() when getting results. * * Revision 1.83 2002/11/13 10:28:29 rschmidt * Added some typecasts to avoid compiler warnings. * * Revision 1.82 2002/11/13 09:20:46 rschmidt * Replaced for(..) with do {} while (...) in SkXmUpdateStats(). * Replaced 2 macros GM_IN16() with 1 GM_IN32() in SkGmMacStatistic(). * Added SkGmCableDiagStatus() for Virtual Cable Test (VCT). * Editorial changes. * * Revision 1.81 2002/10/28 14:28:08 rschmidt * Changed MAC address setup for GMAC in SkGmInitMac(). * Optimized handling of counter overflow IRQ in SkGmOverflowStatus(). * Editorial changes. * * Revision 1.80 2002/10/14 15:29:44 rschmidt * Corrected disabling of all PHY IRQs. * Added WA for deviation #16 (address used for pause packets). * Set Pause Mode in SkMacRxTxEnable() only for Genesis. * Added IRQ and counter for Receive FIFO Overflow in DEBUG-mode. * SkXmTimeStamp() replaced by SkMacTimeStamp(). * Added clearing of GMAC Tx FIFO Underrun IRQ in SkGmIrq(). * Editorial changes. * * Revision 1.79 2002/10/10 15:55:36 mkarl * changes for PLinkSpeedUsed * * Revision 1.78 2002/09/12 09:39:51 rwahl * Removed deactivate code for SIRQ overflow event separate for TX/RX. * * Revision 1.77 2002/09/09 12:26:37 mkarl * added handling for Yukon to SkXmTimeStamp * * Revision 1.76 2002/08/21 16:41:16 rschmidt * Added bit GPC_ENA_XC (Enable MDI crossover) in HWCFG_MODE. * Added forced speed settings in SkGmInitPhyMarv(). * Added settings of full/half duplex capabilities for YUKON Fiber. * Editorial changes. * * Revision 1.75 2002/08/16 15:12:01 rschmidt * Replaced all if(GIChipId == CHIP_ID_GENESIS) with new entry GIGenesis. * Added function SkMacHashing() for ADDR-Module. * Removed functions SkXmClrSrcCheck(), SkXmClrHashAddr() (calls replaced * with macros). * Removed functions SkGmGetMuxConfig(). * Added HWCFG_MODE init for YUKON Fiber. * Changed initialization of GPHY in SkGmInitPhyMarv(). * Changed check of parameter in SkXmMacStatistic(). * Editorial changes. * * Revision 1.74 2002/08/12 14:00:17 rschmidt * Replaced usage of Broadcom PHY Ids with defines. * Corrected error messages in SkGmMacStatistic(). * Made SkMacPromiscMode() public for ADDR-Modul. * Editorial changes. * * Revision 1.73 2002/08/08 16:26:24 rschmidt * Improved reset sequence for YUKON in SkGmHardRst() and SkGmInitMac(). * Replaced XMAC Rx High Watermark init value with SK_XM_RX_HI_WM. * Editorial changes. * * Revision 1.72 2002/07/24 15:11:19 rschmidt * Fixed wrong placement of parenthesis. * Editorial changes. * * Revision 1.71 2002/07/23 16:05:18 rschmidt * Added global functions for PHY: SkGePhyRead(), SkGePhyWrite(). * Fixed Tx Counter Overflow IRQ (Bug ID #10730). * Editorial changes. * * Revision 1.70 2002/07/18 14:27:27 rwahl * Fixed syntax error. * * Revision 1.69 2002/07/17 17:08:47 rwahl * Fixed check in SkXmMacStatistic(). * * Revision 1.68 2002/07/16 07:35:24 rwahl * Removed check for cleared mib counter in SkGmResetCounter(). * * Revision 1.67 2002/07/15 18:35:56 rwahl * Added SkXmUpdateStats(), SkGmUpdateStats(), SkXmMacStatistic(), * SkGmMacStatistic(), SkXmResetCounter(), SkGmResetCounter(), * SkXmOverflowStatus(), SkGmOverflowStatus(). * Changes to SkXmIrq() & SkGmIrq(): Combined SIRQ Overflow for both * RX & TX. * Changes to SkGmInitMac(): call to SkGmResetCounter(). * Editorial changes. * * Revision 1.66 2002/07/15 15:59:30 rschmidt * Added PHY Address in SkXmPhyRead(), SkXmPhyWrite(). * Added MIB Clear Counter in SkGmInitMac(). * Added Duplex and Flow-Control settings. * Reset all Multicast filtering Hash reg. in SkGmInitMac(). * Added new function: SkGmGetMuxConfig(). * Editorial changes. * * Revision 1.65 2002/06/10 09:35:39 rschmidt * Replaced C++ comments (//). * Added #define VCPU around VCPUwaitTime. * Editorial changes. * * Revision 1.64 2002/06/05 08:41:10 rschmidt * Added function for XMAC2: SkXmTimeStamp(). * Added function for YUKON: SkGmSetRxCmd(). * Changed SkGmInitMac() resp. SkGmHardRst(). * Fixed wrong variable in SkXmAutoNegLipaXmac() (debug mode). * SkXmRxTxEnable() replaced by SkMacRxTxEnable(). * Editorial changes. * * Revision 1.63 2002/04/25 13:04:44 rschmidt * Changes for handling YUKON. * Use of #ifdef OTHER_PHY to eliminate code for unused Phy types. * Macros for XMAC PHY access PHY_READ(), PHY_WRITE() replaced * by functions SkXmPhyRead(), SkXmPhyWrite(); * Removed use of PRxCmd to setup XMAC. * Added define PHY_B_AS_PAUSE_MSK for BCom Pause Res. * Added setting of XM_RX_DIS_CEXT in SkXmInitMac(). * Removed status parameter from MAC IRQ handler SkMacIrq(), * SkXmIrq() and SkGmIrq(). * SkXmAutoNegLipa...() for ext. Phy replaced by SkMacAutoNegLipaPhy(). * Added SkMac...() functions to handle both XMAC and GMAC. * Added functions for YUKON: SkGmHardRst(), SkGmSoftRst(), * SkGmSetRxTxEn(), SkGmIrq(), SkGmInitMac(), SkGmInitPhyMarv(), * SkGmAutoNegDoneMarv(), SkGmPhyRead(), SkGmPhyWrite(). * Changes for V-CPU support. * Editorial changes. * * Revision 1.62 2001/08/06 09:50:14 rschmidt * Workaround BCOM Errata #1 for the C5 type. * Editorial changes. * * Revision 1.61 2001/02/09 15:40:59 rassmann * Editorial changes. * * Revision 1.60 2001/02/07 15:02:01 cgoos * Added workaround for Fujitsu switch link down. * * Revision 1.59 2001/01/10 09:38:06 cgoos * Fixed Broadcom C0/A1 Id check for workaround. * * Revision 1.58 2000/11/29 11:30:38 cgoos * Changed DEBUG sections with NW output to xDEBUG * * Revision 1.57 2000/11/27 12:40:40 rassmann * Suppressing preamble after first access to BCom, not before (#10556). * * Revision 1.56 2000/11/09 12:32:48 rassmann * Renamed variables. * * Revision 1.55 2000/11/09 11:30:10 rassmann * WA: Waiting after releasing reset until BCom chip is accessible. * * Revision 1.54 2000/10/02 14:10:27 rassmann * Reading BCOM PHY after releasing reset until it returns a valid value. * * Revision 1.53 2000/07/27 12:22:11 gklug * fix: possible endless loop in XmHardRst. * * Revision 1.52 2000/05/22 08:48:31 malthoff * Fix: #10523 errata valid for all BCOM PHYs. * * Revision 1.51 2000/05/17 12:52:18 malthoff * Fixes BCom link errata (#10523). * * Revision 1.50 1999/11/22 13:40:14 cgoos * Changed license header to GPL. * * Revision 1.49 1999/11/22 08:12:13 malthoff * Add workaround for power consumption feature of BCom C0 chip. * * Revision 1.48 1999/11/16 08:39:01 malthoff * Fix: MDIO preamble suppression is port dependent. * * Revision 1.47 1999/08/27 08:55:35 malthoff * 1000BT: Optimizing MDIO transfer by oppressing MDIO preamble. * * Revision 1.46 1999/08/13 11:01:12 malthoff * Fix for 1000BT: pFlowCtrlMode was not set correctly. * * Revision 1.45 1999/08/12 19:18:28 malthoff * 1000BT Fixes: Do not owerwrite XM_MMU_CMD. * Do not execute BCOM A1 workaround for B1 chips. * Fix pause frame setting. * Always set PHY_B_AC_TX_TST in PHY_BCOM_AUX_CTRL. * * Revision 1.44 1999/08/03 15:23:48 cgoos * Fixed setting of PHY interrupt mask in half duplex mode. * * Revision 1.43 1999/08/03 15:22:17 cgoos * Added some debug output. * Disabled XMac GP0 interrupt for external PHYs. * * Revision 1.42 1999/08/02 08:39:23 malthoff * BCOM PHY: TX LED: To get the mono flop behaviour it is required * to set the LED Traffic Mode bit in PHY_BCOM_P_EXT_CTRL. * * Revision 1.41 1999/07/30 06:54:31 malthoff * Add temp. workarounds for the BCOM Phy revision A1. * * Revision 1.40 1999/06/01 07:43:26 cgoos * Changed Link Mode Status in SkXmAutoNegDone... from FULL/HALF to * AUTOFULL/AUTOHALF. * * Revision 1.39 1999/05/19 07:29:51 cgoos * Changes for 1000Base-T. * * Revision 1.38 1999/04/08 14:35:10 malthoff * Add code for enabling signal detect. Enabling signal detect is disabled. * * Revision 1.37 1999/03/12 13:42:54 malthoff * Add: Jumbo Frame Support. * Add: Receive modes SK_LENERR_OK_ON/OFF and * SK_BIG_PK_OK_ON/OFF in SkXmSetRxCmd(). * * Revision 1.36 1999/03/08 10:10:55 gklug * fix: AutoSensing did switch to next mode even if LiPa indicated offline * * Revision 1.35 1999/02/22 15:16:41 malthoff * Remove some compiler warnings. * * Revision 1.34 1999/01/22 09:19:59 gklug * fix: Init DupMode and InitPauseMd are now called in RxTxEnable * * Revision 1.33 1998/12/11 15:19:11 gklug * chg: lipa autoneg stati * chg: debug messages * chg: do NOT use spurious XmIrq * * Revision 1.32 1998/12/10 11:08:44 malthoff * bug fix: pAC has been used for IOs in SkXmHardRst(). * SkXmInitPhy() is also called for the Diag in SkXmInitMac(). * * Revision 1.31 1998/12/10 10:39:11 gklug * fix: do 4 RESETS of the XMAC at the beginning * fix: dummy read interrupt source register BEFORE initializing the Phy * add: debug messages * fix: Linkpartners autoneg capability cannot be shown by TX_PAGE interrupt * * Revision 1.30 1998/12/07 12:18:32 gklug * add: refinement of autosense mode: take into account the autoneg cap of LiPa * * Revision 1.29 1998/12/07 07:12:29 gklug * fix: if page is received the link is down. * * Revision 1.28 1998/12/01 10:12:47 gklug * chg: if spurious IRQ from XMAC encountered, save it * * Revision 1.27 1998/11/26 07:33:38 gklug * add: InitPhy call is now in XmInit function * * Revision 1.26 1998/11/18 13:38:24 malthoff * 'Imsk' is also unused in SkXmAutoNegDone. * * Revision 1.25 1998/11/18 13:28:01 malthoff * Remove unused variable 'Reg' in SkXmAutoNegDone(). * * Revision 1.24 1998/11/18 13:18:45 gklug * add: workaround for xmac errata #1 * add: detect Link Down also when Link partner requested config * chg: XMIrq is only used when link is up * * Revision 1.23 1998/11/04 07:07:04 cgoos * Added function SkXmRxTxEnable. * * Revision 1.22 1998/10/30 07:35:54 gklug * fix: serve LinkDown interrupt when link is already down * * Revision 1.21 1998/10/29 15:32:03 gklug * fix: Link Down signaling * * Revision 1.20 1998/10/29 11:17:27 gklug * fix: AutoNegDone bug * * Revision 1.19 1998/10/29 10:14:43 malthoff * Add endainesss comment for reading/writing MAC addresses. * * Revision 1.18 1998/10/28 07:48:55 cgoos * Fix: ASS somtimes signaled although link is up. * * Revision 1.17 1998/10/26 07:55:39 malthoff * Fix in SkXmInitPauseMd(): Pause Mode * was disabled and not enabled. * Fix in SkXmAutoNegDone(): Checking Mode bits * always failed, becaues of some missing braces. * * Revision 1.16 1998/10/22 09:46:52 gklug * fix SysKonnectFileId typo * * Revision 1.15 1998/10/21 05:51:37 gklug * add: para DoLoop to InitPhy function for loopback set-up * * Revision 1.14 1998/10/16 10:59:23 malthoff * Remove Lint warning for dummy reads. * * Revision 1.13 1998/10/15 14:01:20 malthoff * Fix: SkXmAutoNegDone() is (int) but does not return a value. * * Revision 1.12 1998/10/14 14:45:04 malthoff * Remove SKERR_SIRQ_E0xx and SKERR_SIRQ_E0xxMSG by * SKERR_HWI_Exx and SKERR_HWI_E0xxMSG to be independent * from the Sirq module. * * Revision 1.11 1998/10/14 13:59:01 gklug * add: InitPhy function * * Revision 1.10 1998/10/14 11:20:57 malthoff * Make SkXmAutoNegDone() public, because it's * used in diagnostics, too. * The Link Up event to the RLMT is issued in SkXmIrq(). * SkXmIrq() is not available in diagnostics. * Use PHY_READ when reading PHY registers. * * Revision 1.9 1998/10/14 05:50:10 cgoos * Added definition for Para. * * Revision 1.8 1998/10/14 05:41:28 gklug * add: Xmac IRQ * add: auto-negotiation done function * * Revision 1.7 1998/10/09 06:55:20 malthoff * The configuration of the XMACs Tx Request Threshold * depends from the drivers port usage now. The port * usage is configured in GIPortUsage. * * Revision 1.6 1998/10/05 07:48:00 malthoff * minor changes * * Revision 1.5 1998/10/01 07:03:54 gklug * add: dummy function for XMAC ISR * * Revision 1.4 1998/09/30 12:37:44 malthoff * Add SkXmSetRxCmd() and related code. * * Revision 1.3 1998/09/28 13:26:40 malthoff * Add SkXmInitMac(), SkXmInitDupMd(), and SkXmInitPauseMd() * * Revision 1.2 1998/09/16 14:34:21 malthoff * Add SkXmClrExactAddr(), SkXmClrSrcCheck(), * SkXmClrHashAddr(), SkXmFlushTxFifo(), * SkXmFlushRxFifo(), and SkXmHardRst(). * Finish Coding of SkXmSoftRst(). * The sources may be compiled now. * * Revision 1.1 1998/09/04 10:05:56 malthoff * Created. * * ******************************************************************************/ #include #ifdef CONFIG_SK98 #include "h/skdrv1st.h" #include "h/skdrv2nd.h" /* typedefs *******************************************************************/ /* BCOM PHY magic pattern list */ typedef struct s_PhyHack { int PhyReg; /* Phy register */ SK_U16 PhyVal; /* Value to write */ } BCOM_HACK; /* local variables ************************************************************/ static const char SysKonnectFileId[] = "@(#)$Id: skxmac2.c,v 1.91 2003/02/05 15:09:34 rschmidt Exp $ (C) SK "; BCOM_HACK BcomRegA1Hack[] = { { 0x18, 0x0c20 }, { 0x17, 0x0012 }, { 0x15, 0x1104 }, { 0x17, 0x0013 }, { 0x15, 0x0404 }, { 0x17, 0x8006 }, { 0x15, 0x0132 }, { 0x17, 0x8006 }, { 0x15, 0x0232 }, { 0x17, 0x800D }, { 0x15, 0x000F }, { 0x18, 0x0420 }, { 0, 0 } }; BCOM_HACK BcomRegC0Hack[] = { { 0x18, 0x0c20 }, { 0x17, 0x0012 }, { 0x15, 0x1204 }, { 0x17, 0x0013 }, { 0x15, 0x0A04 }, { 0x18, 0x0420 }, { 0, 0 } }; /* function prototypes ********************************************************/ static void SkXmInitPhyXmac(SK_AC*, SK_IOC, int, SK_BOOL); static void SkXmInitPhyBcom(SK_AC*, SK_IOC, int, SK_BOOL); static void SkGmInitPhyMarv(SK_AC*, SK_IOC, int, SK_BOOL); static int SkXmAutoNegDoneXmac(SK_AC*, SK_IOC, int); static int SkXmAutoNegDoneBcom(SK_AC*, SK_IOC, int); static int SkGmAutoNegDoneMarv(SK_AC*, SK_IOC, int); #ifdef OTHER_PHY static void SkXmInitPhyLone(SK_AC*, SK_IOC, int, SK_BOOL); static void SkXmInitPhyNat (SK_AC*, SK_IOC, int, SK_BOOL); static int SkXmAutoNegDoneLone(SK_AC*, SK_IOC, int); static int SkXmAutoNegDoneNat (SK_AC*, SK_IOC, int); #endif /* OTHER_PHY */ /****************************************************************************** * * SkXmPhyRead() - Read from XMAC PHY register * * Description: reads a 16-bit word from XMAC PHY or ext. PHY * * Returns: * nothing */ void SkXmPhyRead( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 *pVal) /* Pointer to Value */ { SK_U16 Mmu; SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; /* write the PHY register's address */ XM_OUT16(IoC, Port, XM_PHY_ADDR, PhyReg | pPrt->PhyAddr); /* get the PHY register's value */ XM_IN16(IoC, Port, XM_PHY_DATA, pVal); if (pPrt->PhyType != SK_PHY_XMAC) { do { XM_IN16(IoC, Port, XM_MMU_CMD, &Mmu); /* wait until 'Ready' is set */ } while ((Mmu & XM_MMU_PHY_RDY) == 0); /* get the PHY register's value */ XM_IN16(IoC, Port, XM_PHY_DATA, pVal); } } /* SkXmPhyRead */ /****************************************************************************** * * SkXmPhyWrite() - Write to XMAC PHY register * * Description: writes a 16-bit word to XMAC PHY or ext. PHY * * Returns: * nothing */ void SkXmPhyWrite( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 Val) /* Value */ { SK_U16 Mmu; SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PhyType != SK_PHY_XMAC) { do { XM_IN16(IoC, Port, XM_MMU_CMD, &Mmu); /* wait until 'Busy' is cleared */ } while ((Mmu & XM_MMU_PHY_BUSY) != 0); } /* write the PHY register's address */ XM_OUT16(IoC, Port, XM_PHY_ADDR, PhyReg | pPrt->PhyAddr); /* write the PHY register's value */ XM_OUT16(IoC, Port, XM_PHY_DATA, Val); if (pPrt->PhyType != SK_PHY_XMAC) { do { XM_IN16(IoC, Port, XM_MMU_CMD, &Mmu); /* wait until 'Busy' is cleared */ } while ((Mmu & XM_MMU_PHY_BUSY) != 0); } } /* SkXmPhyWrite */ /****************************************************************************** * * SkGmPhyRead() - Read from GPHY register * * Description: reads a 16-bit word from GPHY through MDIO * * Returns: * nothing */ void SkGmPhyRead( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 *pVal) /* Pointer to Value */ { SK_U16 Ctrl; SK_GEPORT *pPrt; #ifdef VCPU u_long SimCyle; u_long SimLowTime; VCPUgetTime(&SimCyle, &SimLowTime); VCPUprintf(0, "SkGmPhyRead(%u), SimCyle=%u, SimLowTime=%u\n", PhyReg, SimCyle, SimLowTime); #endif /* VCPU */ pPrt = &pAC->GIni.GP[Port]; /* set PHY-Register offset and 'Read' OpCode (= 1) */ *pVal = (SK_U16)(GM_SMI_CT_PHY_AD(pPrt->PhyAddr) | GM_SMI_CT_REG_AD(PhyReg) | GM_SMI_CT_OP_RD); GM_OUT16(IoC, Port, GM_SMI_CTRL, *pVal); GM_IN16(IoC, Port, GM_SMI_CTRL, &Ctrl); /* additional check for MDC/MDIO activity */ if ((Ctrl & GM_SMI_CT_BUSY) == 0) { *pVal = 0; return; } *pVal |= GM_SMI_CT_BUSY; do { #ifdef VCPU VCPUwaitTime(1000); #endif /* VCPU */ GM_IN16(IoC, Port, GM_SMI_CTRL, &Ctrl); /* wait until 'ReadValid' is set */ } while (Ctrl == *pVal); /* get the PHY register's value */ GM_IN16(IoC, Port, GM_SMI_DATA, pVal); #ifdef VCPU VCPUgetTime(&SimCyle, &SimLowTime); VCPUprintf(0, "VCPUgetTime(), SimCyle=%u, SimLowTime=%u\n", SimCyle, SimLowTime); #endif /* VCPU */ } /* SkGmPhyRead */ /****************************************************************************** * * SkGmPhyWrite() - Write to GPHY register * * Description: writes a 16-bit word to GPHY through MDIO * * Returns: * nothing */ void SkGmPhyWrite( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 Val) /* Value */ { SK_U16 Ctrl; SK_GEPORT *pPrt; #ifdef VCPU SK_U32 DWord; u_long SimCyle; u_long SimLowTime; VCPUgetTime(&SimCyle, &SimLowTime); VCPUprintf(0, "SkGmPhyWrite(Reg=%u, Val=0x%04x), SimCyle=%u, SimLowTime=%u\n", PhyReg, Val, SimCyle, SimLowTime); #endif /* VCPU */ pPrt = &pAC->GIni.GP[Port]; /* write the PHY register's value */ GM_OUT16(IoC, Port, GM_SMI_DATA, Val); /* set PHY-Register offset and 'Write' OpCode (= 0) */ Val = GM_SMI_CT_PHY_AD(pPrt->PhyAddr) | GM_SMI_CT_REG_AD(PhyReg); GM_OUT16(IoC, Port, GM_SMI_CTRL, Val); GM_IN16(IoC, Port, GM_SMI_CTRL, &Ctrl); /* additional check for MDC/MDIO activity */ if ((Ctrl & GM_SMI_CT_BUSY) == 0) { return; } Val |= GM_SMI_CT_BUSY; do { #ifdef VCPU /* read Timer value */ SK_IN32(IoC, B2_TI_VAL, &DWord); VCPUwaitTime(1000); #endif /* VCPU */ GM_IN16(IoC, Port, GM_SMI_CTRL, &Ctrl); /* wait until 'Busy' is cleared */ } while (Ctrl == Val); #ifdef VCPU VCPUgetTime(&SimCyle, &SimLowTime); VCPUprintf(0, "VCPUgetTime(), SimCyle=%u, SimLowTime=%u\n", SimCyle, SimLowTime); #endif /* VCPU */ } /* SkGmPhyWrite */ /****************************************************************************** * * SkGePhyRead() - Read from PHY register * * Description: calls a read PHY routine dep. on board type * * Returns: * nothing */ void SkGePhyRead( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 *pVal) /* Pointer to Value */ { void (*r_func)(SK_AC *pAC, SK_IOC IoC, int Port, int Reg, SK_U16 *pVal); if (pAC->GIni.GIGenesis) { r_func = SkXmPhyRead; } else { r_func = SkGmPhyRead; } r_func(pAC, IoC, Port, PhyReg, pVal); } /* SkGePhyRead */ /****************************************************************************** * * SkGePhyWrite() - Write to PHY register * * Description: calls a write PHY routine dep. on board type * * Returns: * nothing */ void SkGePhyWrite( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* I/O Context */ int Port, /* Port Index (MAC_1 + n) */ int PhyReg, /* Register Address (Offset) */ SK_U16 Val) /* Value */ { void (*w_func)(SK_AC *pAC, SK_IOC IoC, int Port, int Reg, SK_U16 Val); if (pAC->GIni.GIGenesis) { w_func = SkXmPhyWrite; } else { w_func = SkGmPhyWrite; } w_func(pAC, IoC, Port, PhyReg, Val); } /* SkGePhyWrite */ /****************************************************************************** * * SkMacPromiscMode() - Enable / Disable Promiscuous Mode * * Description: * enables / disables promiscuous mode by setting Mode Register (XMAC) or * Receive Control Register (GMAC) dep. on board type * * Returns: * nothing */ void SkMacPromiscMode( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL Enable) /* Enable / Disable */ { SK_U16 RcReg; SK_U32 MdReg; if (pAC->GIni.GIGenesis) { XM_IN32(IoC, Port, XM_MODE, &MdReg); /* enable or disable promiscuous mode */ if (Enable) { MdReg |= XM_MD_ENA_PROM; } else { MdReg &= ~XM_MD_ENA_PROM; } /* setup Mode Register */ XM_OUT32(IoC, Port, XM_MODE, MdReg); } else { GM_IN16(IoC, Port, GM_RX_CTRL, &RcReg); /* enable or disable unicast and multicast filtering */ if (Enable) { RcReg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); } else { RcReg |= (GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); } /* setup Receive Control Register */ GM_OUT16(IoC, Port, GM_RX_CTRL, RcReg); } } /* SkMacPromiscMode*/ /****************************************************************************** * * SkMacHashing() - Enable / Disable Hashing * * Description: * enables / disables hashing by setting Mode Register (XMAC) or * Receive Control Register (GMAC) dep. on board type * * Returns: * nothing */ void SkMacHashing( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL Enable) /* Enable / Disable */ { SK_U16 RcReg; SK_U32 MdReg; if (pAC->GIni.GIGenesis) { XM_IN32(IoC, Port, XM_MODE, &MdReg); /* enable or disable hashing */ if (Enable) { MdReg |= XM_MD_ENA_HASH; } else { MdReg &= ~XM_MD_ENA_HASH; } /* setup Mode Register */ XM_OUT32(IoC, Port, XM_MODE, MdReg); } else { GM_IN16(IoC, Port, GM_RX_CTRL, &RcReg); /* enable or disable multicast filtering */ if (Enable) { RcReg |= GM_RXCR_MCF_ENA; } else { RcReg &= ~GM_RXCR_MCF_ENA; } /* setup Receive Control Register */ GM_OUT16(IoC, Port, GM_RX_CTRL, RcReg); } } /* SkMacHashing*/ #ifdef SK_DIAG /****************************************************************************** * * SkXmSetRxCmd() - Modify the value of the XMAC's Rx Command Register * * Description: * The features * - FCS stripping, SK_STRIP_FCS_ON/OFF * - pad byte stripping, SK_STRIP_PAD_ON/OFF * - don't set XMR_FS_ERR in status SK_LENERR_OK_ON/OFF * for inrange length error frames * - don't set XMR_FS_ERR in status SK_BIG_PK_OK_ON/OFF * for frames > 1514 bytes * - enable Rx of own packets SK_SELF_RX_ON/OFF * * for incoming packets may be enabled/disabled by this function. * Additional modes may be added later. * Multiple modes can be enabled/disabled at the same time. * The new configuration is written to the Rx Command register immediately. * * Returns: * nothing */ static void SkXmSetRxCmd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Mode) /* Mode is SK_STRIP_FCS_ON/OFF, SK_STRIP_PAD_ON/OFF, SK_LENERR_OK_ON/OFF, or SK_BIG_PK_OK_ON/OFF */ { SK_U16 OldRxCmd; SK_U16 RxCmd; XM_IN16(IoC, Port, XM_RX_CMD, &OldRxCmd); RxCmd = OldRxCmd; switch (Mode & (SK_STRIP_FCS_ON | SK_STRIP_FCS_OFF)) { case SK_STRIP_FCS_ON: RxCmd |= XM_RX_STRIP_FCS; break; case SK_STRIP_FCS_OFF: RxCmd &= ~XM_RX_STRIP_FCS; break; } switch (Mode & (SK_STRIP_PAD_ON | SK_STRIP_PAD_OFF)) { case SK_STRIP_PAD_ON: RxCmd |= XM_RX_STRIP_PAD; break; case SK_STRIP_PAD_OFF: RxCmd &= ~XM_RX_STRIP_PAD; break; } switch (Mode & (SK_LENERR_OK_ON | SK_LENERR_OK_OFF)) { case SK_LENERR_OK_ON: RxCmd |= XM_RX_LENERR_OK; break; case SK_LENERR_OK_OFF: RxCmd &= ~XM_RX_LENERR_OK; break; } switch (Mode & (SK_BIG_PK_OK_ON | SK_BIG_PK_OK_OFF)) { case SK_BIG_PK_OK_ON: RxCmd |= XM_RX_BIG_PK_OK; break; case SK_BIG_PK_OK_OFF: RxCmd &= ~XM_RX_BIG_PK_OK; break; } switch (Mode & (SK_SELF_RX_ON | SK_SELF_RX_OFF)) { case SK_SELF_RX_ON: RxCmd |= XM_RX_SELF_RX; break; case SK_SELF_RX_OFF: RxCmd &= ~XM_RX_SELF_RX; break; } /* Write the new mode to the Rx command register if required */ if (OldRxCmd != RxCmd) { XM_OUT16(IoC, Port, XM_RX_CMD, RxCmd); } } /* SkXmSetRxCmd */ /****************************************************************************** * * SkGmSetRxCmd() - Modify the value of the GMAC's Rx Control Register * * Description: * The features * - FCS (CRC) stripping, SK_STRIP_FCS_ON/OFF * - don't set GMR_FS_LONG_ERR SK_BIG_PK_OK_ON/OFF * for frames > 1514 bytes * - enable Rx of own packets SK_SELF_RX_ON/OFF * * for incoming packets may be enabled/disabled by this function. * Additional modes may be added later. * Multiple modes can be enabled/disabled at the same time. * The new configuration is written to the Rx Command register immediately. * * Returns: * nothing */ static void SkGmSetRxCmd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Mode) /* Mode is SK_STRIP_FCS_ON/OFF, SK_STRIP_PAD_ON/OFF, SK_LENERR_OK_ON/OFF, or SK_BIG_PK_OK_ON/OFF */ { SK_U16 OldRxCmd; SK_U16 RxCmd; if ((Mode & (SK_STRIP_FCS_ON | SK_STRIP_FCS_OFF)) != 0) { GM_IN16(IoC, Port, GM_RX_CTRL, &OldRxCmd); RxCmd = OldRxCmd; if ((Mode & SK_STRIP_FCS_ON) != 0) { RxCmd |= GM_RXCR_CRC_DIS; } else { RxCmd &= ~GM_RXCR_CRC_DIS; } /* Write the new mode to the Rx control register if required */ if (OldRxCmd != RxCmd) { GM_OUT16(IoC, Port, GM_RX_CTRL, RxCmd); } } if ((Mode & (SK_BIG_PK_OK_ON | SK_BIG_PK_OK_OFF)) != 0) { GM_IN16(IoC, Port, GM_SERIAL_MODE, &OldRxCmd); RxCmd = OldRxCmd; if ((Mode & SK_BIG_PK_OK_ON) != 0) { RxCmd |= GM_SMOD_JUMBO_ENA; } else { RxCmd &= ~GM_SMOD_JUMBO_ENA; } /* Write the new mode to the Rx control register if required */ if (OldRxCmd != RxCmd) { GM_OUT16(IoC, Port, GM_SERIAL_MODE, RxCmd); } } } /* SkGmSetRxCmd */ /****************************************************************************** * * SkMacSetRxCmd() - Modify the value of the MAC's Rx Control Register * * Description: modifies the MAC's Rx Control reg. dep. on board type * * Returns: * nothing */ void SkMacSetRxCmd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Mode) /* Rx Mode */ { if (pAC->GIni.GIGenesis) { SkXmSetRxCmd(pAC, IoC, Port, Mode); } else { SkGmSetRxCmd(pAC, IoC, Port, Mode); } } /* SkMacSetRxCmd */ /****************************************************************************** * * SkMacCrcGener() - Enable / Disable CRC Generation * * Description: enables / disables CRC generation dep. on board type * * Returns: * nothing */ void SkMacCrcGener( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL Enable) /* Enable / Disable */ { SK_U16 Word; if (pAC->GIni.GIGenesis) { XM_IN16(IoC, Port, XM_TX_CMD, &Word); if (Enable) { Word &= ~XM_TX_NO_CRC; } else { Word |= XM_TX_NO_CRC; } /* setup Tx Command Register */ XM_OUT16(pAC, Port, XM_TX_CMD, Word); } else { GM_IN16(IoC, Port, GM_TX_CTRL, &Word); if (Enable) { Word &= ~GM_TXCR_CRC_DIS; } else { Word |= GM_TXCR_CRC_DIS; } /* setup Tx Control Register */ GM_OUT16(IoC, Port, GM_TX_CTRL, Word); } } /* SkMacCrcGener*/ #endif /* SK_DIAG */ /****************************************************************************** * * SkXmClrExactAddr() - Clear Exact Match Address Registers * * Description: * All Exact Match Address registers of the XMAC 'Port' will be * cleared starting with 'StartNum' up to (and including) the * Exact Match address number of 'StopNum'. * * Returns: * nothing */ void SkXmClrExactAddr( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int StartNum, /* Begin with this Address Register Index (0..15) */ int StopNum) /* Stop after finished with this Register Idx (0..15) */ { int i; SK_U16 ZeroAddr[3] = {0x0000, 0x0000, 0x0000}; if ((unsigned)StartNum > 15 || (unsigned)StopNum > 15 || StartNum > StopNum) { SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E001, SKERR_HWI_E001MSG); return; } for (i = StartNum; i <= StopNum; i++) { XM_OUTADDR(IoC, Port, XM_EXM(i), &ZeroAddr[0]); } } /* SkXmClrExactAddr */ /****************************************************************************** * * SkMacFlushTxFifo() - Flush the MAC's transmit FIFO * * Description: * Flush the transmit FIFO of the MAC specified by the index 'Port' * * Returns: * nothing */ void SkMacFlushTxFifo( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U32 MdReg; if (pAC->GIni.GIGenesis) { XM_IN32(IoC, Port, XM_MODE, &MdReg); XM_OUT32(IoC, Port, XM_MODE, MdReg | XM_MD_FTF); } else { /* no way to flush the FIFO we have to issue a reset */ /* TBD */ } } /* SkMacFlushTxFifo */ /****************************************************************************** * * SkMacFlushRxFifo() - Flush the MAC's receive FIFO * * Description: * Flush the receive FIFO of the MAC specified by the index 'Port' * * Returns: * nothing */ void SkMacFlushRxFifo( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U32 MdReg; if (pAC->GIni.GIGenesis) { XM_IN32(IoC, Port, XM_MODE, &MdReg); XM_OUT32(IoC, Port, XM_MODE, MdReg | XM_MD_FRF); } else { /* no way to flush the FIFO we have to issue a reset */ /* TBD */ } } /* SkMacFlushRxFifo */ /****************************************************************************** * * SkXmSoftRst() - Do a XMAC software reset * * Description: * The PHY registers should not be destroyed during this * kind of software reset. Therefore the XMAC Software Reset * (XM_GP_RES_MAC bit in XM_GP_PORT) must not be used! * * The software reset is done by * - disabling the Rx and Tx state machine, * - resetting the statistics module, * - clear all other significant XMAC Mode, * Command, and Control Registers * - clearing the Hash Register and the * Exact Match Address registers, and * - flushing the XMAC's Rx and Tx FIFOs. * * Note: * Another requirement when stopping the XMAC is to * avoid sending corrupted frames on the network. * Disabling the Tx state machine will NOT interrupt * the currently transmitted frame. But we must take care * that the Tx FIFO is cleared AFTER the current frame * is complete sent to the network. * * It takes about 12ns to send a frame with 1538 bytes. * One PCI clock goes at least 15ns (66MHz). Therefore * after reading XM_GP_PORT back, we are sure that the * transmitter is disabled AND idle. And this means * we may flush the transmit FIFO now. * * Returns: * nothing */ static void SkXmSoftRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U16 ZeroAddr[4] = {0x0000, 0x0000, 0x0000, 0x0000}; /* reset the statistics module */ XM_OUT32(IoC, Port, XM_GP_PORT, XM_GP_RES_STAT); /* disable all XMAC IRQs */ XM_OUT16(IoC, Port, XM_IMSK, 0xffff); XM_OUT32(IoC, Port, XM_MODE, 0); /* clear Mode Reg */ XM_OUT16(IoC, Port, XM_TX_CMD, 0); /* reset TX CMD Reg */ XM_OUT16(IoC, Port, XM_RX_CMD, 0); /* reset RX CMD Reg */ /* disable all PHY IRQs */ switch (pAC->GIni.GP[Port].PhyType) { case SK_PHY_BCOM: SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_INT_MASK, 0xffff); break; #ifdef OTHER_PHY case SK_PHY_LONE: SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_INT_ENAB, 0); break; case SK_PHY_NAT: /* todo: National SkXmPhyWrite(pAC, IoC, Port, PHY_NAT_INT_MASK, 0xffff); */ break; #endif /* OTHER_PHY */ } /* clear the Hash Register */ XM_OUTHASH(IoC, Port, XM_HSM, &ZeroAddr); /* clear the Exact Match Address registers */ SkXmClrExactAddr(pAC, IoC, Port, 0, 15); /* clear the Source Check Address registers */ XM_OUTHASH(IoC, Port, XM_SRC_CHK, &ZeroAddr); } /* SkXmSoftRst */ /****************************************************************************** * * SkXmHardRst() - Do a XMAC hardware reset * * Description: * The XMAC of the specified 'Port' and all connected devices * (PHY and SERDES) will receive a reset signal on its *Reset pins. * External PHYs must be reset be clearing a bit in the GPIO register * (Timing requirements: Broadcom: 400ns, Level One: none, National: 80ns). * * ATTENTION: * It is absolutely necessary to reset the SW_RST Bit first * before calling this function. * * Returns: * nothing */ static void SkXmHardRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U32 Reg; int i; int TOut; SK_U16 Word; for (i = 0; i < 4; i++) { /* TX_MFF_CTRL1 has 32 bits, but only the lowest 16 bits are used */ SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_CLR_MAC_RST); TOut = 0; do { if (TOut++ > 10000) { /* * Adapter seems to be in RESET state. * Registers cannot be written. */ return; } SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_SET_MAC_RST); SK_IN16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), &Word); } while ((Word & MFF_SET_MAC_RST) == 0); } /* For external PHYs there must be special handling */ if (pAC->GIni.GP[Port].PhyType != SK_PHY_XMAC) { /* reset external PHY */ SK_IN32(IoC, B2_GP_IO, &Reg); if (Port == 0) { Reg |= GP_DIR_0; /* set to output */ Reg &= ~GP_IO_0; } else { Reg |= GP_DIR_2; /* set to output */ Reg &= ~GP_IO_2; } SK_OUT32(IoC, B2_GP_IO, Reg); /* short delay */ SK_IN32(IoC, B2_GP_IO, &Reg); } } /* SkXmHardRst */ /****************************************************************************** * * SkGmSoftRst() - Do a GMAC software reset * * Description: * The GPHY registers should not be destroyed during this * kind of software reset. * * Returns: * nothing */ static void SkGmSoftRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U16 EmptyHash[4] = {0x0000, 0x0000, 0x0000, 0x0000}; SK_U16 RxCtrl; /* reset the statistics module */ /* disable all GMAC IRQs */ SK_OUT8(IoC, GMAC_IRQ_MSK, 0); /* disable all PHY IRQs */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_INT_MASK, 0); /* clear the Hash Register */ GM_OUTHASH(IoC, Port, GM_MC_ADDR_H1, EmptyHash); /* Enable Unicast and Multicast filtering */ GM_IN16(IoC, Port, GM_RX_CTRL, &RxCtrl); GM_OUT16(IoC, Port, GM_RX_CTRL, RxCtrl | GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); } /* SkGmSoftRst */ /****************************************************************************** * * SkGmHardRst() - Do a GMAC hardware reset * * Description: * * ATTENTION: * It is absolutely necessary to reset the SW_RST Bit first * before calling this function. * * Returns: * nothing */ static void SkGmHardRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { /* set GPHY Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GPHY_CTRL), GPC_RST_SET); /* set GMAC Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GMAC_CTRL), GMC_RST_SET); } /* SkGmHardRst */ /****************************************************************************** * * SkMacSoftRst() - Do a MAC software reset * * Description: calls a MAC software reset routine dep. on board type * * Returns: * nothing */ void SkMacSoftRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; /* disable receiver and transmitter */ SkMacRxTxDisable(pAC, IoC, Port); if (pAC->GIni.GIGenesis) { SkXmSoftRst(pAC, IoC, Port); } else { SkGmSoftRst(pAC, IoC, Port); } /* flush the MAC's Rx and Tx FIFOs */ SkMacFlushTxFifo(pAC, IoC, Port); SkMacFlushRxFifo(pAC, IoC, Port); pPrt->PState = SK_PRT_STOP; } /* SkMacSoftRst */ /****************************************************************************** * * SkMacHardRst() - Do a MAC hardware reset * * Description: calls a MAC hardware reset routine dep. on board type * * Returns: * nothing */ void SkMacHardRst( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { if (pAC->GIni.GIGenesis) { SkXmHardRst(pAC, IoC, Port); } else { SkGmHardRst(pAC, IoC, Port); } pAC->GIni.GP[Port].PState = SK_PRT_RESET; } /* SkMacHardRst */ /****************************************************************************** * * SkXmInitMac() - Initialize the XMAC II * * Description: * Initialize the XMAC of the specified port. * The XMAC must be reset or stopped before calling this function. * * Note: * The XMAC's Rx and Tx state machine is still disabled when returning. * * Returns: * nothing */ void SkXmInitMac( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U32 Reg; int i; SK_U16 SWord; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PState == SK_PRT_STOP) { /* Port State: SK_PRT_STOP */ /* Verify that the reset bit is cleared */ SK_IN16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), &SWord); if ((SWord & MFF_SET_MAC_RST) != 0) { /* PState does not match HW state */ SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E006, SKERR_HWI_E006MSG); /* Correct it */ pPrt->PState = SK_PRT_RESET; } } if (pPrt->PState == SK_PRT_RESET) { /* * clear HW reset * Note: The SW reset is self clearing, therefore there is * nothing to do here. */ SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_CLR_MAC_RST); /* Ensure that XMAC reset release is done (errata from LReinbold?) */ SK_IN16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), &SWord); /* Clear PHY reset */ if (pPrt->PhyType != SK_PHY_XMAC) { SK_IN32(IoC, B2_GP_IO, &Reg); if (Port == 0) { Reg |= (GP_DIR_0 | GP_IO_0); /* set to output */ } else { Reg |= (GP_DIR_2 | GP_IO_2); /* set to output */ } SK_OUT32(IoC, B2_GP_IO, Reg); /* Enable GMII interface */ XM_OUT16(IoC, Port, XM_HW_CFG, XM_HW_GMII_MD); /* read Id from external PHY (all have the same address) */ SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_ID1, &pPrt->PhyId1); /* * Optimize MDIO transfer by suppressing preamble. * Must be done AFTER first access to BCOM chip. */ XM_IN16(IoC, Port, XM_MMU_CMD, &SWord); XM_OUT16(IoC, Port, XM_MMU_CMD, SWord | XM_MMU_NO_PRE); if (pPrt->PhyId1 == PHY_BCOM_ID1_C0) { /* * Workaround BCOM Errata for the C0 type. * Write magic patterns to reserved registers. */ i = 0; while (BcomRegC0Hack[i].PhyReg != 0) { SkXmPhyWrite(pAC, IoC, Port, BcomRegC0Hack[i].PhyReg, BcomRegC0Hack[i].PhyVal); i++; } } else if (pPrt->PhyId1 == PHY_BCOM_ID1_A1) { /* * Workaround BCOM Errata for the A1 type. * Write magic patterns to reserved registers. */ i = 0; while (BcomRegA1Hack[i].PhyReg != 0) { SkXmPhyWrite(pAC, IoC, Port, BcomRegA1Hack[i].PhyReg, BcomRegA1Hack[i].PhyVal); i++; } } /* * Workaround BCOM Errata (#10523) for all BCom PHYs. * Disable Power Management after reset. */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &SWord); SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, (SK_U16)(SWord | PHY_B_AC_DIS_PM)); /* PHY LED initialization is done in SkGeXmitLED() */ } /* Dummy read the Interrupt source register */ XM_IN16(IoC, Port, XM_ISRC, &SWord); /* * The auto-negotiation process starts immediately after * clearing the reset. The auto-negotiation process should be * started by the SIRQ, therefore stop it here immediately. */ SkMacInitPhy(pAC, IoC, Port, SK_FALSE); #if 0 /* temp. code: enable signal detect */ /* WARNING: do not override GMII setting above */ XM_OUT16(pAC, Port, XM_HW_CFG, XM_HW_COM4SIG); #endif } /* * configure the XMACs Station Address * B2_MAC_2 = xx xx xx xx xx x1 is programmed to XMAC A * B2_MAC_3 = xx xx xx xx xx x2 is programmed to XMAC B */ for (i = 0; i < 3; i++) { /* * The following 2 statements are together endianess * independent. Remember this when changing. */ SK_IN16(IoC, (B2_MAC_2 + Port * 8 + i * 2), &SWord); XM_OUT16(IoC, Port, (XM_SA + i * 2), SWord); } /* Tx Inter Packet Gap (XM_TX_IPG): use default */ /* Tx High Water Mark (XM_TX_HI_WM): use default */ /* Tx Low Water Mark (XM_TX_LO_WM): use default */ /* Host Request Threshold (XM_HT_THR): use default */ /* Rx Request Threshold (XM_RX_THR): use default */ /* Rx Low Water Mark (XM_RX_LO_WM): use default */ /* configure Rx High Water Mark (XM_RX_HI_WM) */ XM_OUT16(IoC, Port, XM_RX_HI_WM, SK_XM_RX_HI_WM); /* Configure Tx Request Threshold */ SWord = SK_XM_THR_SL; /* for single port */ if (pAC->GIni.GIMacsFound > 1) { switch (pAC->GIni.GIPortUsage) { case SK_RED_LINK: SWord = SK_XM_THR_REDL; /* redundant link */ break; case SK_MUL_LINK: SWord = SK_XM_THR_MULL; /* load balancing */ break; case SK_JUMBO_LINK: SWord = SK_XM_THR_JUMBO; /* jumbo frames */ break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E014, SKERR_HWI_E014MSG); break; } } XM_OUT16(IoC, Port, XM_TX_THR, SWord); /* setup register defaults for the Tx Command Register */ XM_OUT16(IoC, Port, XM_TX_CMD, XM_TX_AUTO_PAD); /* setup register defaults for the Rx Command Register */ SWord = XM_RX_STRIP_FCS | XM_RX_LENERR_OK; if (pAC->GIni.GIPortUsage == SK_JUMBO_LINK) { SWord |= XM_RX_BIG_PK_OK; } if (pPrt->PLinkModeConf == SK_LMODE_HALF) { /* * If in manual half duplex mode the other side might be in * full duplex mode, so ignore if a carrier extension is not seen * on frames received */ SWord |= XM_RX_DIS_CEXT; } XM_OUT16(IoC, Port, XM_RX_CMD, SWord); /* * setup register defaults for the Mode Register * - Don't strip error frames to avoid Store & Forward * on the Rx side. * - Enable 'Check Station Address' bit * - Enable 'Check Address Array' bit */ XM_OUT32(IoC, Port, XM_MODE, XM_DEF_MODE); /* * Initialize the Receive Counter Event Mask (XM_RX_EV_MSK) * - Enable all bits excepting 'Octets Rx OK Low CntOv' * and 'Octets Rx OK Hi Cnt Ov'. */ XM_OUT32(IoC, Port, XM_RX_EV_MSK, XMR_DEF_MSK); /* * Initialize the Transmit Counter Event Mask (XM_TX_EV_MSK) * - Enable all bits excepting 'Octets Tx OK Low CntOv' * and 'Octets Tx OK Hi Cnt Ov'. */ XM_OUT32(IoC, Port, XM_TX_EV_MSK, XMT_DEF_MSK); /* * Do NOT init XMAC interrupt mask here. * All interrupts remain disable until link comes up! */ /* * Any additional configuration changes may be done now. * The last action is to enable the Rx and Tx state machine. * This should be done after the auto-negotiation process * has been completed successfully. */ } /* SkXmInitMac */ /****************************************************************************** * * SkGmInitMac() - Initialize the GMAC * * Description: * Initialize the GMAC of the specified port. * The GMAC must be reset or stopped before calling this function. * * Note: * The GMAC's Rx and Tx state machine is still disabled when returning. * * Returns: * nothing */ void SkGmInitMac( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; int i; SK_U16 SWord; SK_U32 DWord; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PState == SK_PRT_STOP) { /* Port State: SK_PRT_STOP */ /* Verify that the reset bit is cleared */ SK_IN32(IoC, MR_ADDR(Port, GMAC_CTRL), &DWord); if ((DWord & GMC_RST_SET) != 0) { /* PState does not match HW state */ SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E006, SKERR_HWI_E006MSG); /* Correct it */ pPrt->PState = SK_PRT_RESET; } } if (pPrt->PState == SK_PRT_RESET) { /* set GPHY Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GPHY_CTRL), GPC_RST_SET); /* set GMAC Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GMAC_CTRL), GMC_RST_SET); /* clear GMAC Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GMAC_CTRL), GMC_RST_CLR); /* set GMAC Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GMAC_CTRL), GMC_RST_SET); /* set HWCFG_MODE */ DWord = GPC_INT_POL_HI | GPC_DIS_FC | GPC_DIS_SLEEP | GPC_ENA_XC | GPC_ANEG_ADV_ALL_M | GPC_ENA_PAUSE | (pAC->GIni.GICopperType ? GPC_HWCFG_GMII_COP : GPC_HWCFG_GMII_FIB); /* set GPHY Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GPHY_CTRL), DWord | GPC_RST_SET); /* release GPHY Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GPHY_CTRL), DWord | GPC_RST_CLR); /* clear GMAC Control reset */ SK_OUT32(IoC, MR_ADDR(Port, GMAC_CTRL), GMC_PAUSE_ON | GMC_RST_CLR); /* Dummy read the Interrupt source register */ SK_IN16(IoC, GMAC_IRQ_SRC, &SWord); #ifndef VCPU /* read Id from PHY */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_ID1, &pPrt->PhyId1); SkGmInitPhyMarv(pAC, IoC, Port, SK_FALSE); #endif /* VCPU */ } (void)SkGmResetCounter(pAC, IoC, Port); SWord = 0; /* speed settings */ switch (pPrt->PLinkSpeed) { case SK_LSPEED_AUTO: case SK_LSPEED_1000MBPS: SWord |= GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100; break; case SK_LSPEED_100MBPS: SWord |= GM_GPCR_SPEED_100; break; case SK_LSPEED_10MBPS: break; } /* duplex settings */ if (pPrt->PLinkMode != SK_LMODE_HALF) { /* set full duplex */ SWord |= GM_GPCR_DUP_FULL; } /* flow control settings */ switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: /* disable auto-negotiation for flow-control */ SWord |= GM_GPCR_FC_TX_DIS | GM_GPCR_FC_RX_DIS; break; case SK_FLOW_MODE_LOC_SEND: SWord |= GM_GPCR_FC_RX_DIS; break; case SK_FLOW_MODE_SYMMETRIC: /* TBD */ case SK_FLOW_MODE_SYM_OR_REM: /* enable auto-negotiation for flow-control and */ /* enable Rx and Tx of pause frames */ break; } /* Auto-negotiation ? */ if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { /* disable auto-update for speed, duplex and flow-control */ SWord |= GM_GPCR_AU_ALL_DIS; } /* setup General Purpose Control Register */ GM_OUT16(IoC, Port, GM_GP_CTRL, SWord); /* setup Transmit Control Register */ GM_OUT16(IoC, Port, GM_TX_CTRL, GM_TXCR_COL_THR); /* setup Receive Control Register */ GM_OUT16(IoC, Port, GM_RX_CTRL, GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA | GM_RXCR_CRC_DIS); /* setup Transmit Flow Control Register */ GM_OUT16(IoC, Port, GM_TX_FLOW_CTRL, 0xffff); /* setup Transmit Parameter Register */ #ifdef VCPU GM_IN16(IoC, Port, GM_TX_PARAM, &SWord); #endif /* VCPU */ SWord = JAM_LEN_VAL(3) | JAM_IPG_VAL(11) | IPG_JAM_DATA(26); GM_OUT16(IoC, Port, GM_TX_PARAM, SWord); /* configure the Serial Mode Register */ #ifdef VCPU GM_IN16(IoC, Port, GM_SERIAL_MODE, &SWord); #endif /* VCPU */ SWord = GM_SMOD_VLAN_ENA | IPG_VAL_FAST_ETH; if (pAC->GIni.GIPortUsage == SK_JUMBO_LINK) { /* enable jumbo mode (Max. Frame Length = 9018) */ SWord |= GM_SMOD_JUMBO_ENA; } GM_OUT16(IoC, Port, GM_SERIAL_MODE, SWord); /* * configure the GMACs Station Addresses * in PROM you can find our addresses at: * B2_MAC_1 = xx xx xx xx xx x0 virtual address * B2_MAC_2 = xx xx xx xx xx x1 is programmed to GMAC A * B2_MAC_3 = xx xx xx xx xx x2 is reserved for DualPort */ for (i = 0; i < 3; i++) { /* * The following 2 statements are together endianess * independent. Remember this when changing. */ /* physical address: will be used for pause frames */ SK_IN16(IoC, (B2_MAC_2 + Port * 8 + i * 2), &SWord); #ifdef WA_DEV_16 /* WA for deviation #16 */ if (pAC->GIni.GIChipRev == 0) { /* swap the address bytes */ SWord = ((SWord & 0xff00) >> 8) | ((SWord & 0x00ff) << 8); /* write to register in reversed order */ GM_OUT16(IoC, Port, (GM_SRC_ADDR_1L + (2 - i) * 4), SWord); } else { GM_OUT16(IoC, Port, (GM_SRC_ADDR_1L + i * 4), SWord); } #else GM_OUT16(IoC, Port, (GM_SRC_ADDR_1L + i * 4), SWord); #endif /* WA_DEV_16 */ /* virtual address: will be used for data */ SK_IN16(IoC, (B2_MAC_1 + Port * 8 + i * 2), &SWord); GM_OUT16(IoC, Port, (GM_SRC_ADDR_2L + i * 4), SWord); /* reset Multicast filtering Hash registers 1-3 */ GM_OUT16(IoC, Port, GM_MC_ADDR_H1 + 4*i, 0); } /* reset Multicast filtering Hash register 4 */ GM_OUT16(IoC, Port, GM_MC_ADDR_H4, 0); /* enable interrupt mask for counter overflows */ GM_OUT16(IoC, Port, GM_TX_IRQ_MSK, 0); GM_OUT16(IoC, Port, GM_RX_IRQ_MSK, 0); GM_OUT16(IoC, Port, GM_TR_IRQ_MSK, 0); /* read General Purpose Status */ GM_IN16(IoC, Port, GM_GP_STAT, &SWord); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("MAC Stat Reg=0x%04X\n", SWord)); #ifdef SK_DIAG c_print("MAC Stat Reg=0x%04X\n", SWord); #endif /* SK_DIAG */ } /* SkGmInitMac */ /****************************************************************************** * * SkXmInitDupMd() - Initialize the XMACs Duplex Mode * * Description: * This function initializes the XMACs Duplex Mode. * It should be called after successfully finishing * the Auto-negotiation Process * * Returns: * nothing */ void SkXmInitDupMd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { switch (pAC->GIni.GP[Port].PLinkModeStatus) { case SK_LMODE_STAT_AUTOHALF: case SK_LMODE_STAT_HALF: /* Configuration Actions for Half Duplex Mode */ /* * XM_BURST = default value. We are probable not quick * enough at the 'XMAC' bus to burst 8kB. * The XMAC stops bursting if no transmit frames * are available or the burst limit is exceeded. */ /* XM_TX_RT_LIM = default value (15) */ /* XM_TX_STIME = default value (0xff = 4096 bit times) */ break; case SK_LMODE_STAT_AUTOFULL: case SK_LMODE_STAT_FULL: /* Configuration Actions for Full Duplex Mode */ /* * The duplex mode is configured by the PHY, * therefore it seems to be that there is nothing * to do here. */ break; case SK_LMODE_STAT_UNKNOWN: default: SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E007, SKERR_HWI_E007MSG); break; } } /* SkXmInitDupMd */ /****************************************************************************** * * SkXmInitPauseMd() - initialize the Pause Mode to be used for this port * * Description: * This function initializes the Pause Mode which should * be used for this port. * It should be called after successfully finishing * the Auto-negotiation Process * * Returns: * nothing */ void SkXmInitPauseMd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U32 DWord; SK_U16 Word; pPrt = &pAC->GIni.GP[Port]; XM_IN16(IoC, Port, XM_MMU_CMD, &Word); if (pPrt->PFlowCtrlStatus == SK_FLOW_STAT_NONE || pPrt->PFlowCtrlStatus == SK_FLOW_STAT_LOC_SEND) { /* Disable Pause Frame Reception */ Word |= XM_MMU_IGN_PF; } else { /* * enabling pause frame reception is required for 1000BT * because the XMAC is not reset if the link is going down */ /* Enable Pause Frame Reception */ Word &= ~XM_MMU_IGN_PF; } XM_OUT16(IoC, Port, XM_MMU_CMD, Word); XM_IN32(IoC, Port, XM_MODE, &DWord); if (pPrt->PFlowCtrlStatus == SK_FLOW_STAT_SYMMETRIC || pPrt->PFlowCtrlStatus == SK_FLOW_STAT_LOC_SEND) { /* * Configure Pause Frame Generation * Use internal and external Pause Frame Generation. * Sending pause frames is edge triggered. * Send a Pause frame with the maximum pause time if * internal oder external FIFO full condition occurs. * Send a zero pause time frame to re-start transmission. */ /* XM_PAUSE_DA = '010000C28001' (default) */ /* XM_MAC_PTIME = 0xffff (maximum) */ /* remember this value is defined in big endian (!) */ XM_OUT16(IoC, Port, XM_MAC_PTIME, 0xffff); /* Set Pause Mode in Mode Register */ DWord |= XM_PAUSE_MODE; /* Set Pause Mode in MAC Rx FIFO */ SK_OUT16(IoC, MR_ADDR(Port, RX_MFF_CTRL1), MFF_ENA_PAUSE); } else { /* * disable pause frame generation is required for 1000BT * because the XMAC is not reset if the link is going down */ /* Disable Pause Mode in Mode Register */ DWord &= ~XM_PAUSE_MODE; /* Disable Pause Mode in MAC Rx FIFO */ SK_OUT16(IoC, MR_ADDR(Port, RX_MFF_CTRL1), MFF_DIS_PAUSE); } XM_OUT32(IoC, Port, XM_MODE, DWord); } /* SkXmInitPauseMd*/ /****************************************************************************** * * SkXmInitPhyXmac() - Initialize the XMAC Phy registers * * Description: initializes all the XMACs Phy registers * * Note: * * Returns: * nothing */ static void SkXmInitPhyXmac( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { SK_GEPORT *pPrt; SK_U16 Ctrl; pPrt = &pAC->GIni.GP[Port]; Ctrl = 0; /* Auto-negotiation ? */ if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyXmac: no auto-negotiation Port %d\n", Port)); /* Set DuplexMode in Config register */ if (pPrt->PLinkMode == SK_LMODE_FULL) { Ctrl |= PHY_CT_DUP_MD; } /* * Do NOT enable Auto-negotiation here. This would hold * the link down because no IDLEs are transmitted */ } else { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyXmac: with auto-negotiation Port %d\n", Port)); /* Set Auto-negotiation advertisement */ /* Set Full/half duplex capabilities */ switch (pPrt->PLinkMode) { case SK_LMODE_AUTOHALF: Ctrl |= PHY_X_AN_HD; break; case SK_LMODE_AUTOFULL: Ctrl |= PHY_X_AN_FD; break; case SK_LMODE_AUTOBOTH: Ctrl |= PHY_X_AN_FD | PHY_X_AN_HD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E015, SKERR_HWI_E015MSG); } switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: Ctrl |= PHY_X_P_NO_PAUSE; break; case SK_FLOW_MODE_LOC_SEND: Ctrl |= PHY_X_P_ASYM_MD; break; case SK_FLOW_MODE_SYMMETRIC: Ctrl |= PHY_X_P_SYM_MD; break; case SK_FLOW_MODE_SYM_OR_REM: Ctrl |= PHY_X_P_BOTH_MD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } /* Write AutoNeg Advertisement Register */ SkXmPhyWrite(pAC, IoC, Port, PHY_XMAC_AUNE_ADV, Ctrl); /* Restart Auto-negotiation */ Ctrl = PHY_CT_ANE | PHY_CT_RE_CFG; } if (DoLoop) { /* Set the Phy Loopback bit, too */ Ctrl |= PHY_CT_LOOP; } /* Write to the Phy control register */ SkXmPhyWrite(pAC, IoC, Port, PHY_XMAC_CTRL, Ctrl); } /* SkXmInitPhyXmac */ /****************************************************************************** * * SkXmInitPhyBcom() - Initialize the Broadcom Phy registers * * Description: initializes all the Broadcom Phy registers * * Note: * * Returns: * nothing */ static void SkXmInitPhyBcom( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { SK_GEPORT *pPrt; SK_U16 Ctrl1; SK_U16 Ctrl2; SK_U16 Ctrl3; SK_U16 Ctrl4; SK_U16 Ctrl5; Ctrl1 = PHY_CT_SP1000; Ctrl2 = 0; Ctrl3 = PHY_SEL_TYPE; Ctrl4 = PHY_B_PEC_EN_LTR; Ctrl5 = PHY_B_AC_TX_TST; pPrt = &pAC->GIni.GP[Port]; /* manually Master/Slave ? */ if (pPrt->PMSMode != SK_MS_MODE_AUTO) { Ctrl2 |= PHY_B_1000C_MSE; if (pPrt->PMSMode == SK_MS_MODE_MASTER) { Ctrl2 |= PHY_B_1000C_MSC; } } /* Auto-negotiation ? */ if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyBcom: no auto-negotiation Port %d\n", Port)); /* Set DuplexMode in Config register */ Ctrl1 |= (pPrt->PLinkMode == SK_LMODE_FULL ? PHY_CT_DUP_MD : 0); /* Determine Master/Slave manually if not already done */ if (pPrt->PMSMode == SK_MS_MODE_AUTO) { Ctrl2 |= PHY_B_1000C_MSE; /* set it to Slave */ } /* * Do NOT enable Auto-negotiation here. This would hold * the link down because no IDLES are transmitted */ } else { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyBcom: with auto-negotiation Port %d\n", Port)); /* Set Auto-negotiation advertisement */ /* * Workaround BCOM Errata #1 for the C5 type. * 1000Base-T Link Acquisition Failure in Slave Mode * Set Repeater/DTE bit 10 of the 1000Base-T Control Register */ Ctrl2 |= PHY_B_1000C_RD; /* Set Full/half duplex capabilities */ switch (pPrt->PLinkMode) { case SK_LMODE_AUTOHALF: Ctrl2 |= PHY_B_1000C_AHD; break; case SK_LMODE_AUTOFULL: Ctrl2 |= PHY_B_1000C_AFD; break; case SK_LMODE_AUTOBOTH: Ctrl2 |= PHY_B_1000C_AFD | PHY_B_1000C_AHD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E015, SKERR_HWI_E015MSG); } switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: Ctrl3 |= PHY_B_P_NO_PAUSE; break; case SK_FLOW_MODE_LOC_SEND: Ctrl3 |= PHY_B_P_ASYM_MD; break; case SK_FLOW_MODE_SYMMETRIC: Ctrl3 |= PHY_B_P_SYM_MD; break; case SK_FLOW_MODE_SYM_OR_REM: Ctrl3 |= PHY_B_P_BOTH_MD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } /* Restart Auto-negotiation */ Ctrl1 |= PHY_CT_ANE | PHY_CT_RE_CFG; } /* Initialize LED register here? */ /* No. Please do it in SkDgXmitLed() (if required) and swap init order of LEDs and XMAC. (MAl) */ /* Write 1000Base-T Control Register */ SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_1000T_CTRL, Ctrl2); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("1000B-T Ctrl Reg=0x%04X\n", Ctrl2)); /* Write AutoNeg Advertisement Register */ SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_AUNE_ADV, Ctrl3); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Auto-Neg. Adv. Reg=0x%04X\n", Ctrl3)); if (DoLoop) { /* Set the Phy Loopback bit, too */ Ctrl1 |= PHY_CT_LOOP; } if (pAC->GIni.GIPortUsage == SK_JUMBO_LINK) { /* configure FIFO to high latency for transmission of ext. packets */ Ctrl4 |= PHY_B_PEC_HIGH_LA; /* configure reception of extended packets */ Ctrl5 |= PHY_B_AC_LONG_PACK; SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, Ctrl5); } /* Configure LED Traffic Mode and Jumbo Frame usage if specified */ SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_P_EXT_CTRL, Ctrl4); /* Write to the Phy control register */ SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_CTRL, Ctrl1); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Control Reg=0x%04X\n", Ctrl1)); } /* SkXmInitPhyBcom */ /****************************************************************************** * * SkGmInitPhyMarv() - Initialize the Marvell Phy registers * * Description: initializes all the Marvell Phy registers * * Note: * * Returns: * nothing */ static void SkGmInitPhyMarv( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { SK_GEPORT *pPrt; SK_U16 PhyCtrl; SK_U16 C1000BaseT; SK_U16 AutoNegAdv; SK_U16 ExtPhyCtrl; SK_U16 PhyStat; SK_U16 PhyStat1; SK_U16 PhySpecStat; SK_U16 LedCtrl; SK_BOOL AutoNeg; #ifdef VCPU VCPUprintf(0, "SkGmInitPhyMarv(), Port=%u, DoLoop=%u\n", Port, DoLoop); #else /* VCPU */ pPrt = &pAC->GIni.GP[Port]; /* Auto-negotiation ? */ if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { AutoNeg = SK_FALSE; } else { AutoNeg = SK_TRUE; } if (!DoLoop) { /* Read Ext. PHY Specific Control */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_EXT_CTRL, &ExtPhyCtrl); ExtPhyCtrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | PHY_M_EC_MAC_S_MSK); ExtPhyCtrl |= PHY_M_EC_M_DSC(1) | PHY_M_EC_S_DSC(1) | PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_EXT_CTRL, ExtPhyCtrl); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Ext.PHYCtrl=0x%04X\n", ExtPhyCtrl)); /* Read PHY Control */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &PhyCtrl); /* Assert software reset */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, (SK_U16)(PhyCtrl | PHY_CT_RESET)); } #endif /* VCPU */ PhyCtrl = 0 /* PHY_CT_COL_TST */; C1000BaseT = 0; AutoNegAdv = PHY_SEL_TYPE; /* manually Master/Slave ? */ if (pPrt->PMSMode != SK_MS_MODE_AUTO) { /* enable Manual Master/Slave */ C1000BaseT |= PHY_M_1000C_MSE; if (pPrt->PMSMode == SK_MS_MODE_MASTER) { C1000BaseT |= PHY_M_1000C_MSC; /* set it to Master */ } } /* Auto-negotiation ? */ if (!AutoNeg) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyMarv: no auto-negotiation Port %d\n", Port)); if (pPrt->PLinkMode == SK_LMODE_FULL) { /* Set Full Duplex Mode */ PhyCtrl |= PHY_CT_DUP_MD; } /* Set Master/Slave manually if not already done */ if (pPrt->PMSMode == SK_MS_MODE_AUTO) { C1000BaseT |= PHY_M_1000C_MSE; /* set it to Slave */ } /* Set Speed */ switch (pPrt->PLinkSpeed) { case SK_LSPEED_AUTO: case SK_LSPEED_1000MBPS: PhyCtrl |= PHY_CT_SP1000; break; case SK_LSPEED_100MBPS: PhyCtrl |= PHY_CT_SP100; break; case SK_LSPEED_10MBPS: break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E019, SKERR_HWI_E019MSG); } if (!DoLoop) { PhyCtrl |= PHY_CT_RESET; } /* * Do NOT enable Auto-negotiation here. This would hold * the link down because no IDLES are transmitted */ } else { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyMarv: with auto-negotiation Port %d\n", Port)); PhyCtrl |= PHY_CT_ANE; if (pAC->GIni.GICopperType) { /* Set Speed capabilities */ switch (pPrt->PLinkSpeed) { case SK_LSPEED_AUTO: C1000BaseT |= PHY_M_1000C_AHD | PHY_M_1000C_AFD; AutoNegAdv |= PHY_M_AN_100_FD | PHY_M_AN_100_HD | PHY_M_AN_10_FD | PHY_M_AN_10_HD; break; case SK_LSPEED_1000MBPS: C1000BaseT |= PHY_M_1000C_AHD | PHY_M_1000C_AFD; break; case SK_LSPEED_100MBPS: AutoNegAdv |= PHY_M_AN_100_FD | PHY_M_AN_100_HD | PHY_M_AN_10_FD | PHY_M_AN_10_HD; break; case SK_LSPEED_10MBPS: AutoNegAdv |= PHY_M_AN_10_FD | PHY_M_AN_10_HD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E019, SKERR_HWI_E019MSG); } /* Set Full/half duplex capabilities */ switch (pPrt->PLinkMode) { case SK_LMODE_AUTOHALF: C1000BaseT &= ~PHY_M_1000C_AFD; AutoNegAdv &= ~(PHY_M_AN_100_FD | PHY_M_AN_10_FD); break; case SK_LMODE_AUTOFULL: C1000BaseT &= ~PHY_M_1000C_AHD; AutoNegAdv &= ~(PHY_M_AN_100_HD | PHY_M_AN_10_HD); break; case SK_LMODE_AUTOBOTH: break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E015, SKERR_HWI_E015MSG); } /* Set Auto-negotiation advertisement */ switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: AutoNegAdv |= PHY_B_P_NO_PAUSE; break; case SK_FLOW_MODE_LOC_SEND: AutoNegAdv |= PHY_B_P_ASYM_MD; break; case SK_FLOW_MODE_SYMMETRIC: AutoNegAdv |= PHY_B_P_SYM_MD; break; case SK_FLOW_MODE_SYM_OR_REM: AutoNegAdv |= PHY_B_P_BOTH_MD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } } else { /* special defines for FIBER (88E1011S only) */ /* Set Full/half duplex capabilities */ switch (pPrt->PLinkMode) { case SK_LMODE_AUTOHALF: AutoNegAdv |= PHY_M_AN_1000X_AHD; break; case SK_LMODE_AUTOFULL: AutoNegAdv |= PHY_M_AN_1000X_AFD; break; case SK_LMODE_AUTOBOTH: AutoNegAdv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E015, SKERR_HWI_E015MSG); } /* Set Auto-negotiation advertisement */ switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: AutoNegAdv |= PHY_M_P_NO_PAUSE_X; break; case SK_FLOW_MODE_LOC_SEND: AutoNegAdv |= PHY_M_P_ASYM_MD_X; break; case SK_FLOW_MODE_SYMMETRIC: AutoNegAdv |= PHY_M_P_SYM_MD_X; break; case SK_FLOW_MODE_SYM_OR_REM: AutoNegAdv |= PHY_M_P_BOTH_MD_X; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } } if (!DoLoop) { /* Restart Auto-negotiation */ PhyCtrl |= PHY_CT_RE_CFG; } } #ifdef VCPU /* * E-mail from Gu Lin (08-03-2002): */ /* Program PHY register 30 as 16'h0708 for simulation speed up */ SkGmPhyWrite(pAC, IoC, Port, 30, 0x0708); VCpuWait(2000); #else /* VCPU */ /* Write 1000Base-T Control Register */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_1000T_CTRL, C1000BaseT); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("1000B-T Ctrl=0x%04X\n", C1000BaseT)); /* Write AutoNeg Advertisement Register */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_AUNE_ADV, AutoNegAdv); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Auto-Neg.Ad.=0x%04X\n", AutoNegAdv)); #endif /* VCPU */ if (DoLoop) { /* Set the PHY Loopback bit */ PhyCtrl |= PHY_CT_LOOP; /* Program PHY register 16 as 16'h0400 to force link good */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, PHY_M_PC_FL_GOOD); #if 0 if (pPrt->PLinkSpeed != SK_LSPEED_AUTO) { /* Write Ext. PHY Specific Control */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_EXT_CTRL, (SK_U16)((pPrt->PLinkSpeed + 2) << 4)); } } else if (pPrt->PLinkSpeed == SK_LSPEED_10MBPS) { /* Write PHY Specific Control */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, PHY_M_PC_EN_DET_MSK); } #endif /* 0 */ } /* Write to the PHY Control register */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, PhyCtrl); #ifdef VCPU VCpuWait(2000); #else LedCtrl = PHY_M_LED_PULS_DUR(PULS_170MS) | PHY_M_LED_BLINK_RT(BLINK_84MS); #ifdef ACT_LED_BLINK LedCtrl |= PHY_M_LEDC_RX_CTRL | PHY_M_LEDC_TX_CTRL; #endif /* ACT_LED_BLINK */ #ifdef DUP_LED_NORMAL LedCtrl |= PHY_M_LEDC_DP_CTRL; #endif /* DUP_LED_NORMAL */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_LED_CTRL, LedCtrl); #endif /* VCPU */ #ifdef SK_DIAG c_print("Set PHY Ctrl=0x%04X\n", PhyCtrl); c_print("Set 1000 B-T=0x%04X\n", C1000BaseT); c_print("Set Auto-Neg=0x%04X\n", AutoNegAdv); c_print("Set Ext Ctrl=0x%04X\n", ExtPhyCtrl); #endif /* SK_DIAG */ #ifndef xDEBUG /* Read PHY Control */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &PhyCtrl); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Ctrl Reg.=0x%04X\n", PhyCtrl)); /* Read 1000Base-T Control Register */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_1000T_CTRL, &C1000BaseT); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("1000B-T Ctrl =0x%04X\n", C1000BaseT)); /* Read AutoNeg Advertisement Register */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_AUNE_ADV, &AutoNegAdv); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Auto-Neg. Ad.=0x%04X\n", AutoNegAdv)); /* Read Ext. PHY Specific Control */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_EXT_CTRL, &ExtPhyCtrl); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Ext PHY Ctrl=0x%04X\n", ExtPhyCtrl)); /* Read PHY Status */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_STAT, &PhyStat); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Stat Reg.=0x%04X\n", PhyStat)); SkGmPhyRead(pAC, IoC, Port, PHY_MARV_STAT, &PhyStat1); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Stat Reg.=0x%04X\n", PhyStat1)); /* Read PHY Specific Status */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_STAT, &PhySpecStat); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Spec Stat=0x%04X\n", PhySpecStat)); #endif /* DEBUG */ #ifdef SK_DIAG c_print("PHY Ctrl Reg=0x%04X\n", PhyCtrl); c_print("PHY 1000 Reg=0x%04X\n", C1000BaseT); c_print("PHY AnAd Reg=0x%04X\n", AutoNegAdv); c_print("Ext Ctrl Reg=0x%04X\n", ExtPhyCtrl); c_print("PHY Stat Reg=0x%04X\n", PhyStat); c_print("PHY Stat Reg=0x%04X\n", PhyStat1); c_print("PHY Spec Reg=0x%04X\n", PhySpecStat); #endif /* SK_DIAG */ } /* SkGmInitPhyMarv */ #ifdef OTHER_PHY /****************************************************************************** * * SkXmInitPhyLone() - Initialize the Level One Phy registers * * Description: initializes all the Level One Phy registers * * Note: * * Returns: * nothing */ static void SkXmInitPhyLone( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { SK_GEPORT *pPrt; SK_U16 Ctrl1; SK_U16 Ctrl2; SK_U16 Ctrl3; Ctrl1 = PHY_CT_SP1000; Ctrl2 = 0; Ctrl3 = PHY_SEL_TYPE; pPrt = &pAC->GIni.GP[Port]; /* manually Master/Slave ? */ if (pPrt->PMSMode != SK_MS_MODE_AUTO) { Ctrl2 |= PHY_L_1000C_MSE; if (pPrt->PMSMode == SK_MS_MODE_MASTER) { Ctrl2 |= PHY_L_1000C_MSC; } } /* Auto-negotiation ? */ if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { /* * level one spec say: "1000Mbps: manual mode not allowed" * but lets see what happens... */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyLone: no auto-negotiation Port %d\n", Port)); /* Set DuplexMode in Config register */ Ctrl1 = (pPrt->PLinkMode == SK_LMODE_FULL ? PHY_CT_DUP_MD : 0); /* Determine Master/Slave manually if not already done */ if (pPrt->PMSMode == SK_MS_MODE_AUTO) { Ctrl2 |= PHY_L_1000C_MSE; /* set it to Slave */ } /* * Do NOT enable Auto-negotiation here. This would hold * the link down because no IDLES are transmitted */ } else { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("InitPhyLone: with auto-negotiation Port %d\n", Port)); /* Set Auto-negotiation advertisement */ /* Set Full/half duplex capabilities */ switch (pPrt->PLinkMode) { case SK_LMODE_AUTOHALF: Ctrl2 |= PHY_L_1000C_AHD; break; case SK_LMODE_AUTOFULL: Ctrl2 |= PHY_L_1000C_AFD; break; case SK_LMODE_AUTOBOTH: Ctrl2 |= PHY_L_1000C_AFD | PHY_L_1000C_AHD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E015, SKERR_HWI_E015MSG); } switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: Ctrl3 |= PHY_L_P_NO_PAUSE; break; case SK_FLOW_MODE_LOC_SEND: Ctrl3 |= PHY_L_P_ASYM_MD; break; case SK_FLOW_MODE_SYMMETRIC: Ctrl3 |= PHY_L_P_SYM_MD; break; case SK_FLOW_MODE_SYM_OR_REM: Ctrl3 |= PHY_L_P_BOTH_MD; break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } /* Restart Auto-negotiation */ Ctrl1 = PHY_CT_ANE | PHY_CT_RE_CFG; } /* Initialize LED register here ? */ /* No. Please do it in SkDgXmitLed() (if required) and swap init order of LEDs and XMAC. (MAl) */ /* Write 1000Base-T Control Register */ SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_1000T_CTRL, Ctrl2); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("1000B-T Ctrl Reg=0x%04X\n", Ctrl2)); /* Write AutoNeg Advertisement Register */ SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_AUNE_ADV, Ctrl3); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Auto-Neg. Adv. Reg=0x%04X\n", Ctrl3)); if (DoLoop) { /* Set the Phy Loopback bit, too */ Ctrl1 |= PHY_CT_LOOP; } /* Write to the Phy control register */ SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_CTRL, Ctrl1); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Control Reg=0x%04X\n", Ctrl1)); } /* SkXmInitPhyLone */ /****************************************************************************** * * SkXmInitPhyNat() - Initialize the National Phy registers * * Description: initializes all the National Phy registers * * Note: * * Returns: * nothing */ static void SkXmInitPhyNat( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { /* todo: National */ } /* SkXmInitPhyNat */ #endif /* OTHER_PHY */ /****************************************************************************** * * SkMacInitPhy() - Initialize the PHY registers * * Description: calls the Init PHY routines dep. on board type * * Note: * * Returns: * nothing */ void SkMacInitPhy( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ { SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; switch (pPrt->PhyType) { case SK_PHY_XMAC: SkXmInitPhyXmac(pAC, IoC, Port, DoLoop); break; case SK_PHY_BCOM: SkXmInitPhyBcom(pAC, IoC, Port, DoLoop); break; case SK_PHY_MARV_COPPER: case SK_PHY_MARV_FIBER: SkGmInitPhyMarv(pAC, IoC, Port, DoLoop); break; #ifdef OTHER_PHY case SK_PHY_LONE: SkXmInitPhyLone(pAC, IoC, Port, DoLoop); break; case SK_PHY_NAT: SkXmInitPhyNat(pAC, IoC, Port, DoLoop); break; #endif /* OTHER_PHY */ } } /* SkMacInitPhy */ #ifndef SK_DIAG /****************************************************************************** * * SkXmAutoNegLipaXmac() - Decides whether Link Partner could do auto-neg * * This function analyses the Interrupt status word. If any of the * Auto-negotiating interrupt bits are set, the PLipaAutoNeg variable * is set true. */ void SkXmAutoNegLipaXmac( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_U16 IStatus) /* Interrupt Status word to analyse */ { SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PLipaAutoNeg != SK_LIPA_AUTO && (IStatus & (XM_IS_LIPA_RC | XM_IS_RX_PAGE | XM_IS_AND)) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegLipa: AutoNeg detected on Port %d, IStatus=0x%04x\n", Port, IStatus)); pPrt->PLipaAutoNeg = SK_LIPA_AUTO; } } /* SkXmAutoNegLipaXmac */ /****************************************************************************** * * SkMacAutoNegLipaPhy() - Decides whether Link Partner could do auto-neg * * This function analyses the PHY status word. * If any of the Auto-negotiating bits are set, the PLipaAutoNeg variable * is set true. */ void SkMacAutoNegLipaPhy( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_U16 PhyStat) /* PHY Status word to analyse */ { SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PLipaAutoNeg != SK_LIPA_AUTO && (PhyStat & PHY_ST_AN_OVER) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegLipa: AutoNeg detected on Port %d, PhyStat=0x%04x\n", Port, PhyStat)); pPrt->PLipaAutoNeg = SK_LIPA_AUTO; } } /* SkMacAutoNegLipaPhy */ #endif /* SK_DIAG */ /****************************************************************************** * * SkXmAutoNegDoneXmac() - Auto-negotiation handling * * Description: * This function handles the auto-negotiation if the Done bit is set. * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ static int SkXmAutoNegDoneXmac( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 ResAb; /* Resolved Ability */ SK_U16 LPAb; /* Link Partner Ability */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegDoneXmac, Port %d\n",Port)); pPrt = &pAC->GIni.GP[Port]; /* Get PHY parameters */ SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_AUNE_LP, &LPAb); SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_RES_ABI, &ResAb); if ((LPAb & PHY_X_AN_RFB) != 0) { /* At least one of the remote fault bit is set */ /* Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Remote fault bit set Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_OTHER); } /* Check Duplex mismatch */ if ((ResAb & (PHY_X_RS_HD | PHY_X_RS_FD)) == PHY_X_RS_FD) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOFULL; } else if ((ResAb & (PHY_X_RS_HD | PHY_X_RS_FD)) == PHY_X_RS_HD) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOHALF; } else { /* Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Duplex mode mismatch Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_DUP_CAP); } /* Check PAUSE mismatch */ /* We are NOT using chapter 4.23 of the Xaqti manual */ /* We are using IEEE 802.3z/D5.0 Table 37-4 */ if ((pPrt->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC || pPrt->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM) && (LPAb & PHY_X_P_SYM_MD) != 0) { /* Symmetric PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_SYMMETRIC; } else if (pPrt->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM && (LPAb & PHY_X_RS_PAUSE) == PHY_X_P_ASYM_MD) { /* Enable PAUSE receive, disable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_REM_SEND; } else if (pPrt->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND && (LPAb & PHY_X_RS_PAUSE) == PHY_X_P_BOTH_MD) { /* Disable PAUSE receive, enable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_LOC_SEND; } else { /* PAUSE mismatch -> no PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; } pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_1000MBPS; return(SK_AND_OK); } /* SkXmAutoNegDoneXmac */ /****************************************************************************** * * SkXmAutoNegDoneBcom() - Auto-negotiation handling * * Description: * This function handles the auto-negotiation if the Done bit is set. * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ static int SkXmAutoNegDoneBcom( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 LPAb; /* Link Partner Ability */ SK_U16 AuxStat; /* Auxiliary Status */ #if 0 01-Sep-2000 RA;:;: SK_U16 ResAb; /* Resolved Ability */ #endif /* 0 */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegDoneBcom, Port %d\n", Port)); pPrt = &pAC->GIni.GP[Port]; /* Get PHY parameters */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &LPAb); #if 0 01-Sep-2000 RA;:;: SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ResAb); #endif /* 0 */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_STAT, &AuxStat); if ((LPAb & PHY_B_AN_RF) != 0) { /* Remote fault bit is set: Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Remote fault bit set Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_OTHER); } /* Check Duplex mismatch */ if ((AuxStat & PHY_B_AS_AN_RES_MSK) == PHY_B_RES_1000FD) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOFULL; } else if ((AuxStat & PHY_B_AS_AN_RES_MSK) == PHY_B_RES_1000HD) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOHALF; } else { /* Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Duplex mode mismatch Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_DUP_CAP); } #if 0 01-Sep-2000 RA;:;: /* Check Master/Slave resolution */ if ((ResAb & PHY_B_1000S_MSF) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Master/Slave Fault Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; pPrt->PMSStatus = SK_MS_STAT_FAULT; return(SK_AND_OTHER); } pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? SK_MS_STAT_MASTER : SK_MS_STAT_SLAVE; #endif /* 0 */ /* Check PAUSE mismatch */ /* We are using IEEE 802.3z/D5.0 Table 37-4 */ if ((AuxStat & PHY_B_AS_PAUSE_MSK) == PHY_B_AS_PAUSE_MSK) { /* Symmetric PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_SYMMETRIC; } else if ((AuxStat & PHY_B_AS_PAUSE_MSK) == PHY_B_AS_PRR) { /* Enable PAUSE receive, disable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_REM_SEND; } else if ((AuxStat & PHY_B_AS_PAUSE_MSK) == PHY_B_AS_PRT) { /* Disable PAUSE receive, enable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_LOC_SEND; } else { /* PAUSE mismatch -> no PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; } pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_1000MBPS; return(SK_AND_OK); } /* SkXmAutoNegDoneBcom */ /****************************************************************************** * * SkGmAutoNegDoneMarv() - Auto-negotiation handling * * Description: * This function handles the auto-negotiation if the Done bit is set. * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ static int SkGmAutoNegDoneMarv( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 LPAb; /* Link Partner Ability */ SK_U16 ResAb; /* Resolved Ability */ SK_U16 AuxStat; /* Auxiliary Status */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegDoneMarv, Port %d\n", Port)); pPrt = &pAC->GIni.GP[Port]; /* Get PHY parameters */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_AUNE_LP, &LPAb); if ((LPAb & PHY_M_AN_RF) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Remote fault bit set Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_OTHER); } SkGmPhyRead(pAC, IoC, Port, PHY_MARV_1000T_STAT, &ResAb); /* Check Master/Slave resolution */ if ((ResAb & PHY_B_1000S_MSF) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Master/Slave Fault Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; pPrt->PMSStatus = SK_MS_STAT_FAULT; return(SK_AND_OTHER); } pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? (SK_U8)SK_MS_STAT_MASTER : (SK_U8)SK_MS_STAT_SLAVE; /* Read PHY Specific Status */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_STAT, &AuxStat); /* Check Speed & Duplex resolved */ if ((AuxStat & PHY_M_PS_SPDUP_RES) == 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Speed & Duplex not resolved Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; pPrt->PLinkModeStatus = SK_LMODE_STAT_UNKNOWN; return(SK_AND_DUP_CAP); } if ((AuxStat & PHY_M_PS_FULL_DUP) != 0) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOFULL; } else { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOHALF; } /* Check PAUSE mismatch */ /* We are using IEEE 802.3z/D5.0 Table 37-4 */ if ((AuxStat & PHY_M_PS_PAUSE_MSK) == PHY_M_PS_PAUSE_MSK) { /* Symmetric PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_SYMMETRIC; } else if ((AuxStat & PHY_M_PS_PAUSE_MSK) == PHY_M_PS_RX_P_EN) { /* Enable PAUSE receive, disable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_REM_SEND; } else if ((AuxStat & PHY_M_PS_PAUSE_MSK) == PHY_M_PS_TX_P_EN) { /* Disable PAUSE receive, enable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_LOC_SEND; } else { /* PAUSE mismatch -> no PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; } /* set used link speed */ switch ((unsigned)(AuxStat & PHY_M_PS_SPEED_MSK)) { case (unsigned)PHY_M_PS_SPEED_1000: pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_1000MBPS; break; case PHY_M_PS_SPEED_100: pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_100MBPS; break; default: pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_10MBPS; } return(SK_AND_OK); } /* SkGmAutoNegDoneMarv */ #ifdef OTHER_PHY /****************************************************************************** * * SkXmAutoNegDoneLone() - Auto-negotiation handling * * Description: * This function handles the auto-negotiation if the Done bit is set. * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ static int SkXmAutoNegDoneLone( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 ResAb; /* Resolved Ability */ SK_U16 LPAb; /* Link Partner Ability */ SK_U16 QuickStat; /* Auxiliary Status */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegDoneLone, Port %d\n",Port)); pPrt = &pAC->GIni.GP[Port]; /* Get PHY parameters */ SkXmPhyRead(pAC, IoC, Port, PHY_LONE_AUNE_LP, &LPAb); SkXmPhyRead(pAC, IoC, Port, PHY_LONE_1000T_STAT, &ResAb); SkXmPhyRead(pAC, IoC, Port, PHY_LONE_Q_STAT, &QuickStat); if ((LPAb & PHY_L_AN_RF) != 0) { /* Remote fault bit is set */ /* Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("AutoNegFail: Remote fault bit set Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; return(SK_AND_OTHER); } /* Check Duplex mismatch */ if ((QuickStat & PHY_L_QS_DUP_MOD) != 0) { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOFULL; } else { pPrt->PLinkModeStatus = SK_LMODE_STAT_AUTOHALF; } /* Check Master/Slave resolution */ if ((ResAb & PHY_L_1000S_MSF) != 0) { /* Error */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("Master/Slave Fault Port %d\n", Port)); pPrt->PAutoNegFail = SK_TRUE; pPrt->PMSStatus = SK_MS_STAT_FAULT; return(SK_AND_OTHER); } else if (ResAb & PHY_L_1000S_MSR) { pPrt->PMSStatus = SK_MS_STAT_MASTER; } else { pPrt->PMSStatus = SK_MS_STAT_SLAVE; } /* Check PAUSE mismatch */ /* We are using IEEE 802.3z/D5.0 Table 37-4 */ /* we must manually resolve the abilities here */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; switch (pPrt->PFlowCtrlMode) { case SK_FLOW_MODE_NONE: /* default */ break; case SK_FLOW_MODE_LOC_SEND: if ((QuickStat & (PHY_L_QS_PAUSE | PHY_L_QS_AS_PAUSE)) == (PHY_L_QS_PAUSE | PHY_L_QS_AS_PAUSE)) { /* Disable PAUSE receive, enable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_LOC_SEND; } break; case SK_FLOW_MODE_SYMMETRIC: if ((QuickStat & PHY_L_QS_PAUSE) != 0) { /* Symmetric PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_SYMMETRIC; } break; case SK_FLOW_MODE_SYM_OR_REM: if ((QuickStat & (PHY_L_QS_PAUSE | PHY_L_QS_AS_PAUSE)) == PHY_L_QS_AS_PAUSE) { /* Enable PAUSE receive, disable PAUSE transmit */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_REM_SEND; } else if ((QuickStat & PHY_L_QS_PAUSE) != 0) { /* Symmetric PAUSE */ pPrt->PFlowCtrlStatus = SK_FLOW_STAT_SYMMETRIC; } break; default: SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_HWI_E016, SKERR_HWI_E016MSG); } return(SK_AND_OK); } /* SkXmAutoNegDoneLone */ /****************************************************************************** * * SkXmAutoNegDoneNat() - Auto-negotiation handling * * Description: * This function handles the auto-negotiation if the Done bit is set. * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ static int SkXmAutoNegDoneNat( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { /* todo: National */ return(SK_AND_OK); } /* SkXmAutoNegDoneNat */ #endif /* OTHER_PHY */ /****************************************************************************** * * SkMacAutoNegDone() - Auto-negotiation handling * * Description: calls the auto-negotiation done routines dep. on board type * * Returns: * SK_AND_OK o.k. * SK_AND_DUP_CAP Duplex capability error happened * SK_AND_OTHER Other error happened */ int SkMacAutoNegDone( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; int Rtv; pPrt = &pAC->GIni.GP[Port]; switch (pPrt->PhyType) { case SK_PHY_XMAC: Rtv = SkXmAutoNegDoneXmac(pAC, IoC, Port); break; case SK_PHY_BCOM: Rtv = SkXmAutoNegDoneBcom(pAC, IoC, Port); break; case SK_PHY_MARV_COPPER: case SK_PHY_MARV_FIBER: Rtv = SkGmAutoNegDoneMarv(pAC, IoC, Port); break; #ifdef OTHER_PHY case SK_PHY_LONE: Rtv = SkXmAutoNegDoneLone(pAC, IoC, Port); break; case SK_PHY_NAT: Rtv = SkXmAutoNegDoneNat(pAC, IoC, Port); break; #endif /* OTHER_PHY */ default: return(SK_AND_OTHER); } if (Rtv != SK_AND_OK) { return(Rtv); } /* We checked everything and may now enable the link */ pPrt->PAutoNegFail = SK_FALSE; SkMacRxTxEnable(pAC, IoC, Port); return(SK_AND_OK); } /* SkMacAutoNegDone */ /****************************************************************************** * * SkXmSetRxTxEn() - Special Set Rx/Tx Enable and some features in XMAC * * Description: * sets MAC or PHY LoopBack and Duplex Mode in the MMU Command Reg. * enables Rx/Tx * * Returns: N/A */ static void SkXmSetRxTxEn( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Para) /* Parameter to set: MAC or PHY LoopBack, Duplex Mode */ { SK_U16 Word; XM_IN16(IoC, Port, XM_MMU_CMD, &Word); switch (Para & (SK_MAC_LOOPB_ON | SK_MAC_LOOPB_OFF)) { case SK_MAC_LOOPB_ON: Word |= XM_MMU_MAC_LB; break; case SK_MAC_LOOPB_OFF: Word &= ~XM_MMU_MAC_LB; break; } switch (Para & (SK_PHY_LOOPB_ON | SK_PHY_LOOPB_OFF)) { case SK_PHY_LOOPB_ON: Word |= XM_MMU_GMII_LOOP; break; case SK_PHY_LOOPB_OFF: Word &= ~XM_MMU_GMII_LOOP; break; } switch (Para & (SK_PHY_FULLD_ON | SK_PHY_FULLD_OFF)) { case SK_PHY_FULLD_ON: Word |= XM_MMU_GMII_FD; break; case SK_PHY_FULLD_OFF: Word &= ~XM_MMU_GMII_FD; break; } XM_OUT16(IoC, Port, XM_MMU_CMD, Word | XM_MMU_ENA_RX | XM_MMU_ENA_TX); /* dummy read to ensure writing */ XM_IN16(IoC, Port, XM_MMU_CMD, &Word); } /* SkXmSetRxTxEn */ /****************************************************************************** * * SkGmSetRxTxEn() - Special Set Rx/Tx Enable and some features in GMAC * * Description: * sets MAC LoopBack and Duplex Mode in the General Purpose Control Reg. * enables Rx/Tx * * Returns: N/A */ static void SkGmSetRxTxEn( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Para) /* Parameter to set: MAC LoopBack, Duplex Mode */ { SK_U16 Ctrl; GM_IN16(IoC, Port, GM_GP_CTRL, &Ctrl); switch (Para & (SK_MAC_LOOPB_ON | SK_MAC_LOOPB_OFF)) { case SK_MAC_LOOPB_ON: Ctrl |= GM_GPCR_LOOP_ENA; break; case SK_MAC_LOOPB_OFF: Ctrl &= ~GM_GPCR_LOOP_ENA; break; } switch (Para & (SK_PHY_FULLD_ON | SK_PHY_FULLD_OFF)) { case SK_PHY_FULLD_ON: Ctrl |= GM_GPCR_DUP_FULL; break; case SK_PHY_FULLD_OFF: Ctrl &= ~GM_GPCR_DUP_FULL; break; } GM_OUT16(IoC, Port, GM_GP_CTRL, Ctrl | GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); /* dummy read to ensure writing */ GM_IN16(IoC, Port, GM_GP_CTRL, &Ctrl); } /* SkGmSetRxTxEn */ /****************************************************************************** * * SkMacSetRxTxEn() - Special Set Rx/Tx Enable and parameters * * Description: calls the Special Set Rx/Tx Enable routines dep. on board type * * Returns: N/A */ void SkMacSetRxTxEn( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ int Para) { if (pAC->GIni.GIGenesis) { SkXmSetRxTxEn(pAC, IoC, Port, Para); } else { SkGmSetRxTxEn(pAC, IoC, Port, Para); } } /* SkMacSetRxTxEn */ /****************************************************************************** * * SkMacRxTxEnable() - Enable Rx/Tx activity if port is up * * Description: enables Rx/Tx dep. on board type * * Returns: * 0 o.k. * != 0 Error happened */ int SkMacRxTxEnable( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 Reg; /* 16-bit register value */ SK_U16 IntMask; /* MAC interrupt mask */ SK_U16 SWord; pPrt = &pAC->GIni.GP[Port]; if (!pPrt->PHWLinkUp) { /* The Hardware link is NOT up */ return(0); } if ((pPrt->PLinkMode == SK_LMODE_AUTOHALF || pPrt->PLinkMode == SK_LMODE_AUTOFULL || pPrt->PLinkMode == SK_LMODE_AUTOBOTH) && pPrt->PAutoNegFail) { /* Auto-negotiation is not done or failed */ return(0); } if (pAC->GIni.GIGenesis) { /* set Duplex Mode and Pause Mode */ SkXmInitDupMd(pAC, IoC, Port); SkXmInitPauseMd(pAC, IoC, Port); /* * Initialize the Interrupt Mask Register. Default IRQs are... * - Link Asynchronous Event * - Link Partner requests config * - Auto Negotiation Done * - Rx Counter Event Overflow * - Tx Counter Event Overflow * - Transmit FIFO Underrun */ IntMask = XM_DEF_MSK; #ifdef DEBUG /* add IRQ for Receive FIFO Overflow */ IntMask &= ~XM_IS_RXF_OV; #endif /* DEBUG */ if (pPrt->PhyType != SK_PHY_XMAC) { /* disable GP0 interrupt bit */ IntMask |= XM_IS_INP_ASS; } XM_OUT16(IoC, Port, XM_IMSK, IntMask); /* get MMU Command Reg. */ XM_IN16(IoC, Port, XM_MMU_CMD, &Reg); if (pPrt->PhyType != SK_PHY_XMAC && (pPrt->PLinkModeStatus == SK_LMODE_STAT_FULL || pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOFULL)) { /* set to Full Duplex */ Reg |= XM_MMU_GMII_FD; } switch (pPrt->PhyType) { case SK_PHY_BCOM: /* * Workaround BCOM Errata (#10523) for all BCom Phys * Enable Power Management after link up */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &SWord); SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, (SK_U16)(SWord & ~PHY_B_AC_DIS_PM)); SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK); break; #ifdef OTHER_PHY case SK_PHY_LONE: SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_INT_ENAB, PHY_L_DEF_MSK); break; case SK_PHY_NAT: /* todo National: SkXmPhyWrite(pAC, IoC, Port, PHY_NAT_INT_MASK, PHY_N_DEF_MSK); */ /* no interrupts possible from National ??? */ break; #endif /* OTHER_PHY */ } /* enable Rx/Tx */ XM_OUT16(IoC, Port, XM_MMU_CMD, Reg | XM_MMU_ENA_RX | XM_MMU_ENA_TX); } else { /* * Initialize the Interrupt Mask Register. Default IRQs are... * - Rx Counter Event Overflow * - Tx Counter Event Overflow * - Transmit FIFO Underrun */ IntMask = GMAC_DEF_MSK; #ifdef DEBUG /* add IRQ for Receive FIFO Overrun */ IntMask |= GM_IS_RX_FF_OR; #endif /* DEBUG */ SK_OUT8(IoC, GMAC_IRQ_MSK, (SK_U8)IntMask); /* get General Purpose Control */ GM_IN16(IoC, Port, GM_GP_CTRL, &Reg); if (pPrt->PLinkModeStatus == SK_LMODE_STAT_FULL || pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOFULL) { /* set to Full Duplex */ Reg |= GM_GPCR_DUP_FULL; } /* enable Rx/Tx */ GM_OUT16(IoC, Port, GM_GP_CTRL, Reg | GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); #ifndef VCPU /* Enable all PHY interrupts */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); #endif /* VCPU */ } return(0); } /* SkMacRxTxEnable */ /****************************************************************************** * * SkMacRxTxDisable() - Disable Receiver and Transmitter * * Description: disables Rx/Tx dep. on board type * * Returns: N/A */ void SkMacRxTxDisable( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_U16 Word; if (pAC->GIni.GIGenesis) { XM_IN16(IoC, Port, XM_MMU_CMD, &Word); XM_OUT16(IoC, Port, XM_MMU_CMD, Word & ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX)); /* dummy read to ensure writing */ XM_IN16(IoC, Port, XM_MMU_CMD, &Word); } else { GM_IN16(IoC, Port, GM_GP_CTRL, &Word); GM_OUT16(IoC, Port, GM_GP_CTRL, Word & ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)); /* dummy read to ensure writing */ GM_IN16(IoC, Port, GM_GP_CTRL, &Word); } } /* SkMacRxTxDisable */ /****************************************************************************** * * SkMacIrqDisable() - Disable IRQ from MAC * * Description: sets the IRQ-mask to disable IRQ dep. on board type * * Returns: N/A */ void SkMacIrqDisable( SK_AC *pAC, /* Adapter Context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 Word; pPrt = &pAC->GIni.GP[Port]; if (pAC->GIni.GIGenesis) { /* disable all XMAC IRQs */ XM_OUT16(IoC, Port, XM_IMSK, 0xffff); /* Disable all PHY interrupts */ switch (pPrt->PhyType) { case SK_PHY_BCOM: /* Make sure that PHY is initialized */ if (pPrt->PState != SK_PRT_RESET) { /* NOT allowed if BCOM is in RESET state */ /* Workaround BCOM Errata (#10523) all BCom */ /* Disable Power Management if link is down */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &Word); SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, (SK_U16)(Word | PHY_B_AC_DIS_PM)); SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_INT_MASK, 0xffff); } break; #ifdef OTHER_PHY case SK_PHY_LONE: SkXmPhyWrite(pAC, IoC, Port, PHY_LONE_INT_ENAB, 0); break; case SK_PHY_NAT: /* todo: National SkXmPhyWrite(pAC, IoC, Port, PHY_NAT_INT_MASK, 0xffff); */ break; #endif /* OTHER_PHY */ } } else { /* disable all GMAC IRQs */ SK_OUT8(IoC, GMAC_IRQ_MSK, 0); #ifndef VCPU /* Disable all PHY interrupts */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_INT_MASK, 0); #endif /* VCPU */ } } /* SkMacIrqDisable */ #ifdef SK_DIAG /****************************************************************************** * * SkXmSendCont() - Enable / Disable Send Continuous Mode * * Description: enable / disable Send Continuous Mode on XMAC * * Returns: * nothing */ void SkXmSendCont( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL Enable) /* Enable / Disable */ { SK_U32 MdReg; XM_IN32(IoC, Port, XM_MODE, &MdReg); if (Enable) { MdReg |= XM_MD_TX_CONT; } else { MdReg &= ~XM_MD_TX_CONT; } /* setup Mode Register */ XM_OUT32(IoC, Port, XM_MODE, MdReg); } /* SkXmSendCont*/ /****************************************************************************** * * SkMacTimeStamp() - Enable / Disable Time Stamp * * Description: enable / disable Time Stamp generation for Rx packets * * Returns: * nothing */ void SkMacTimeStamp( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL Enable) /* Enable / Disable */ { SK_U32 MdReg; SK_U8 TimeCtrl; if (pAC->GIni.GIGenesis) { XM_IN32(IoC, Port, XM_MODE, &MdReg); if (Enable) { MdReg |= XM_MD_ATS; } else { MdReg &= ~XM_MD_ATS; } /* setup Mode Register */ XM_OUT32(IoC, Port, XM_MODE, MdReg); } else { if (Enable) { TimeCtrl = GMT_ST_START | GMT_ST_CLR_IRQ; } else { TimeCtrl = GMT_ST_STOP | GMT_ST_CLR_IRQ; } /* Start/Stop Time Stamp Timer */ SK_OUT8(pAC, GMAC_TI_ST_CTRL, TimeCtrl); } } /* SkMacTimeStamp*/ #else /* SK_DIAG */ /****************************************************************************** * * SkXmIrq() - Interrupt Service Routine * * Description: services an Interrupt Request of the XMAC * * Note: * With an external PHY, some interrupt bits are not meaningfull any more: * - LinkAsyncEvent (bit #14) XM_IS_LNK_AE * - LinkPartnerReqConfig (bit #10) XM_IS_LIPA_RC * - Page Received (bit #9) XM_IS_RX_PAGE * - NextPageLoadedForXmt (bit #8) XM_IS_TX_PAGE * - AutoNegDone (bit #7) XM_IS_AND * Also probably not valid any more is the GP0 input bit: * - GPRegisterBit0set XM_IS_INP_ASS * * Returns: * nothing */ void SkXmIrq( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_EVPARA Para; SK_U16 IStatus; /* Interrupt status read from the XMAC */ SK_U16 IStatus2; pPrt = &pAC->GIni.GP[Port]; XM_IN16(IoC, Port, XM_ISRC, &IStatus); /* LinkPartner Auto-negable? */ if (pPrt->PhyType == SK_PHY_XMAC) { SkXmAutoNegLipaXmac(pAC, IoC, Port, IStatus); } else { /* mask bits that are not used with ext. PHY */ IStatus &= ~(XM_IS_LNK_AE | XM_IS_LIPA_RC | XM_IS_RX_PAGE | XM_IS_TX_PAGE | XM_IS_AND | XM_IS_INP_ASS); } SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, ("XmacIrq Port %d Isr 0x%04x\n", Port, IStatus)); if (!pPrt->PHWLinkUp) { /* Spurious XMAC interrupt */ SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, ("SkXmIrq: spurious interrupt on Port %d\n", Port)); return; } if ((IStatus & XM_IS_INP_ASS) != 0) { /* Reread ISR Register if link is not in sync */ XM_IN16(IoC, Port, XM_ISRC, &IStatus2); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, ("SkXmIrq: Link async. Double check Port %d 0x%04x 0x%04x\n", Port, IStatus, IStatus2)); IStatus &= ~XM_IS_INP_ASS; IStatus |= IStatus2; } if ((IStatus & XM_IS_LNK_AE) != 0) { /* not used, GP0 is used instead */ } if ((IStatus & XM_IS_TX_ABORT) != 0) { /* not used */ } if ((IStatus & XM_IS_FRC_INT) != 0) { /* not used, use ASIC IRQ instead if needed */ } if ((IStatus & (XM_IS_INP_ASS | XM_IS_LIPA_RC | XM_IS_RX_PAGE)) != 0) { SkHWLinkDown(pAC, IoC, Port); /* Signal to RLMT */ Para.Para32[0] = (SK_U32)Port; SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); /* Start workaround Errata #2 timer */ SkTimerStart(pAC, IoC, &pPrt->PWaTimer, SK_WA_INA_TIME, SKGE_HWAC, SK_HWEV_WATIM, Para); } if ((IStatus & XM_IS_RX_PAGE) != 0) { /* not used */ } if ((IStatus & XM_IS_TX_PAGE) != 0) { /* not used */ } if ((IStatus & XM_IS_AND) != 0) { SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, ("SkXmIrq: AND on link that is up Port %d\n", Port)); } if ((IStatus & XM_IS_TSC_OV) != 0) { /* not used */ } /* Combined Tx & Rx Counter Overflow SIRQ Event */ if ((IStatus & (XM_IS_RXC_OV | XM_IS_TXC_OV)) != 0) { Para.Para32[0] = (SK_U32)Port; Para.Para32[1] = (SK_U32)IStatus; SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_SIRQ_OVERFLOW, Para); } if ((IStatus & XM_IS_RXF_OV) != 0) { /* normal situation -> no effect */ #ifdef DEBUG pPrt->PRxOverCnt++; #endif /* DEBUG */ } if ((IStatus & XM_IS_TXF_UR) != 0) { /* may NOT happen -> error log */ SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E020, SKERR_SIRQ_E020MSG); } if ((IStatus & XM_IS_TX_COMP) != 0) { /* not served here */ } if ((IStatus & XM_IS_RX_COMP) != 0) { /* not served here */ } } /* SkXmIrq */ /****************************************************************************** * * SkGmIrq() - Interrupt Service Routine * * Description: services an Interrupt Request of the GMAC * * Note: * * Returns: * nothing */ void SkGmIrq( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_EVPARA Para; SK_U8 IStatus; /* Interrupt status */ pPrt = &pAC->GIni.GP[Port]; SK_IN8(IoC, GMAC_IRQ_SRC, &IStatus); /* LinkPartner Auto-negable? */ SkMacAutoNegLipaPhy(pAC, IoC, Port, IStatus); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, ("GmacIrq Port %d Isr 0x%04x\n", Port, IStatus)); /* Combined Tx & Rx Counter Overflow SIRQ Event */ if (IStatus & (GM_IS_RX_CO_OV | GM_IS_TX_CO_OV)) { /* these IRQs will be cleared by reading GMACs register */ Para.Para32[0] = (SK_U32)Port; Para.Para32[1] = (SK_U32)IStatus; SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_SIRQ_OVERFLOW, Para); } if (IStatus & GM_IS_RX_FF_OR) { /* clear GMAC Rx FIFO Overrun IRQ */ SK_OUT8(IoC, MR_ADDR(Port, RX_GMF_CTRL_T), (SK_U8)GMF_CLI_RX_FO); #ifdef DEBUG pPrt->PRxOverCnt++; #endif /* DEBUG */ } if (IStatus & GM_IS_TX_FF_UR) { /* clear GMAC Tx FIFO Underrun IRQ */ SK_OUT8(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), (SK_U8)GMF_CLI_TX_FU); /* may NOT happen -> error log */ SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E020, SKERR_SIRQ_E020MSG); } if (IStatus & GM_IS_TX_COMPL) { /* not served here */ } if (IStatus & GM_IS_RX_COMPL) { /* not served here */ } } /* SkGmIrq */ /****************************************************************************** * * SkMacIrq() - Interrupt Service Routine for MAC * * Description: calls the Interrupt Service Routine dep. on board type * * Returns: * nothing */ void SkMacIrq( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ { if (pAC->GIni.GIGenesis) { /* IRQ from XMAC */ SkXmIrq(pAC, IoC, Port); } else { /* IRQ from GMAC */ SkGmIrq(pAC, IoC, Port); } } /* SkMacIrq */ #endif /* !SK_DIAG */ /****************************************************************************** * * SkXmUpdateStats() - Force the XMAC to output the current statistic * * Description: * The XMAC holds its statistic internally. To obtain the current * values a command must be sent so that the statistic data will * be written to a predefined memory area on the adapter. * * Returns: * 0: success * 1: something went wrong */ int SkXmUpdateStats( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port) /* Port Index (MAC_1 + n) */ { SK_GEPORT *pPrt; SK_U16 StatReg; int WaitIndex; pPrt = &pAC->GIni.GP[Port]; WaitIndex = 0; /* Send an update command to XMAC specified */ XM_OUT16(IoC, Port, XM_STAT_CMD, XM_SC_SNP_TXC | XM_SC_SNP_RXC); /* * It is an auto-clearing register. If the command bits * went to zero again, the statistics are transferred. * Normally the command should be executed immediately. * But just to be sure we execute a loop. */ do { XM_IN16(IoC, Port, XM_STAT_CMD, &StatReg); if (++WaitIndex > 10) { SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_HWI_E021, SKERR_HWI_E021MSG); return(1); } } while ((StatReg & (XM_SC_SNP_TXC | XM_SC_SNP_RXC)) != 0); return(0); } /* SkXmUpdateStats */ /****************************************************************************** * * SkGmUpdateStats() - Force the GMAC to output the current statistic * * Description: * Empty function for GMAC. Statistic data is accessible in direct way. * * Returns: * 0: success * 1: something went wrong */ int SkGmUpdateStats( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port) /* Port Index (MAC_1 + n) */ { return(0); } /****************************************************************************** * * SkXmMacStatistic() - Get XMAC counter value * * Description: * Gets the 32bit counter value. Except for the octet counters * the lower 32bit are counted in hardware and the upper 32bit * must be counted in software by monitoring counter overflow interrupts. * * Returns: * 0: success * 1: something went wrong */ int SkXmMacStatistic( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port, /* Port Index (MAC_1 + n) */ SK_U16 StatAddr, /* MIB counter base address */ SK_U32 *pVal) /* ptr to return statistic value */ { if ((StatAddr < XM_TXF_OK) || (StatAddr > XM_RXF_MAX_SZ)) { SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E022, SKERR_HWI_E022MSG); return(1); } XM_IN32(IoC, Port, StatAddr, pVal); return(0); } /* SkXmMacStatistic */ /****************************************************************************** * * SkGmMacStatistic() - Get GMAC counter value * * Description: * Gets the 32bit counter value. Except for the octet counters * the lower 32bit are counted in hardware and the upper 32bit * must be counted in software by monitoring counter overflow interrupts. * * Returns: * 0: success * 1: something went wrong */ int SkGmMacStatistic( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port, /* Port Index (MAC_1 + n) */ SK_U16 StatAddr, /* MIB counter base address */ SK_U32 *pVal) /* ptr to return statistic value */ { if ((StatAddr < GM_RXF_UC_OK) || (StatAddr > GM_TXE_FIFO_UR)) { SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E022, SKERR_HWI_E022MSG); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("SkGmMacStat: wrong MIB counter 0x%04X\n", StatAddr)); return(1); } GM_IN32(IoC, Port, StatAddr, pVal); return(0); } /* SkGmMacStatistic */ /****************************************************************************** * * SkXmResetCounter() - Clear MAC statistic counter * * Description: * Force the XMAC to clear its statistic counter. * * Returns: * 0: success * 1: something went wrong */ int SkXmResetCounter( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port) /* Port Index (MAC_1 + n) */ { XM_OUT16(IoC, Port, XM_STAT_CMD, XM_SC_CLR_RXC | XM_SC_CLR_TXC); /* Clear two times according to Errata #3 */ XM_OUT16(IoC, Port, XM_STAT_CMD, XM_SC_CLR_RXC | XM_SC_CLR_TXC); return(0); } /* SkXmResetCounter */ /****************************************************************************** * * SkGmResetCounter() - Clear MAC statistic counter * * Description: * Force GMAC to clear its statistic counter. * * Returns: * 0: success * 1: something went wrong */ int SkGmResetCounter( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port) /* Port Index (MAC_1 + n) */ { SK_U16 Reg; /* Phy Address Register */ SK_U16 Word; int i; GM_IN16(IoC, Port, GM_PHY_ADDR, &Reg); #ifndef VCPU /* set MIB Clear Counter Mode */ GM_OUT16(IoC, Port, GM_PHY_ADDR, Reg | GM_PAR_MIB_CLR); /* read all MIB Counters with Clear Mode set */ for (i = 0; i < GM_MIB_CNT_SIZE; i++) { /* the reset is performed only when the lower 16 bits are read */ GM_IN16(IoC, Port, GM_MIB_CNT_BASE + 8*i, &Word); } /* clear MIB Clear Counter Mode */ GM_OUT16(IoC, Port, GM_PHY_ADDR, Reg); #endif /* !VCPU */ return(0); } /* SkGmResetCounter */ /****************************************************************************** * * SkXmOverflowStatus() - Gets the status of counter overflow interrupt * * Description: * Checks the source causing an counter overflow interrupt. On success the * resulting counter overflow status is written to , whereas the * upper dword stores the XMAC ReceiveCounterEvent register and the lower * dword the XMAC TransmitCounterEvent register. * * Note: * For XMAC the interrupt source is a self-clearing register, so the source * must be checked only once. SIRQ module does another check to be sure * that no interrupt get lost during process time. * * Returns: * 0: success * 1: something went wrong */ int SkXmOverflowStatus( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port, /* Port Index (MAC_1 + n) */ SK_U16 IStatus, /* Interupt Status from MAC */ SK_U64 *pStatus) /* ptr for return overflow status value */ { SK_U64 Status; /* Overflow status */ SK_U32 RegVal; Status = 0; if ((IStatus & XM_IS_RXC_OV) != 0) { XM_IN32(IoC, Port, XM_RX_CNT_EV, &RegVal); Status |= (SK_U64)RegVal << 32; } if ((IStatus & XM_IS_TXC_OV) != 0) { XM_IN32(IoC, Port, XM_TX_CNT_EV, &RegVal); Status |= (SK_U64)RegVal; } *pStatus = Status; return(0); } /* SkXmOverflowStatus */ /****************************************************************************** * * SkGmOverflowStatus() - Gets the status of counter overflow interrupt * * Description: * Checks the source causing an counter overflow interrupt. On success the * resulting counter overflow status is written to , whereas the * the following bit coding is used: * 63:56 - unused * 55:48 - TxRx interrupt register bit7:0 * 32:47 - Rx interrupt register * 31:24 - unused * 23:16 - TxRx interrupt register bit15:8 * 15:0 - Tx interrupt register * * Returns: * 0: success * 1: something went wrong */ int SkGmOverflowStatus( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ unsigned int Port, /* Port Index (MAC_1 + n) */ SK_U16 IStatus, /* Interupt Status from MAC */ SK_U64 *pStatus) /* ptr for return overflow status value */ { SK_U64 Status; /* Overflow status */ SK_U16 RegVal; Status = 0; if ((IStatus & GM_IS_RX_CO_OV) != 0) { /* this register is self-clearing after read */ GM_IN16(IoC, Port, GM_RX_IRQ_SRC, &RegVal); Status |= (SK_U64)RegVal << 32; } if ((IStatus & GM_IS_TX_CO_OV) != 0) { /* this register is self-clearing after read */ GM_IN16(IoC, Port, GM_TX_IRQ_SRC, &RegVal); Status |= (SK_U64)RegVal; } /* this register is self-clearing after read */ GM_IN16(IoC, Port, GM_TR_IRQ_SRC, &RegVal); /* Rx overflow interrupt register bits (LoByte)*/ Status |= (SK_U64)((SK_U8)RegVal) << 48; /* Tx overflow interrupt register bits (HiByte)*/ Status |= (SK_U64)(RegVal >> 8) << 16; *pStatus = Status; return(0); } /* SkGmOverflowStatus */ /****************************************************************************** * * SkGmCableDiagStatus() - Starts / Gets status of cable diagnostic test * * Description: * starts the cable diagnostic test if 'StartTest' is true * gets the results if 'StartTest' is true * * NOTE: this test is meaningful only when link is down * * Returns: * 0: success * 1: no YUKON copper * 2: test in progress */ int SkGmCableDiagStatus( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port, /* Port Index (MAC_1 + n) */ SK_BOOL StartTest) /* flag for start / get result */ { int i; SK_U16 RegVal; SK_GEPORT *pPrt; pPrt = &pAC->GIni.GP[Port]; if (pPrt->PhyType != SK_PHY_MARV_COPPER) { return(1); } if (StartTest) { /* only start the cable test */ if ((pPrt->PhyId1 & PHY_I1_REV_MSK) < 4) { /* apply TDR workaround from Marvell */ SkGmPhyWrite(pAC, IoC, Port, 29, 0x001e); SkGmPhyWrite(pAC, IoC, Port, 30, 0xcc00); SkGmPhyWrite(pAC, IoC, Port, 30, 0xc800); SkGmPhyWrite(pAC, IoC, Port, 30, 0xc400); SkGmPhyWrite(pAC, IoC, Port, 30, 0xc000); SkGmPhyWrite(pAC, IoC, Port, 30, 0xc100); } /* set address to 0 for MDI[0] */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_EXT_ADR, 0); /* Read Cable Diagnostic Reg */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CABLE_DIAG, &RegVal); /* start Cable Diagnostic Test */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CABLE_DIAG, (SK_U16)(RegVal | PHY_M_CABD_ENA_TEST)); return(0); } /* Read Cable Diagnostic Reg */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CABLE_DIAG, &RegVal); SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, ("PHY Cable Diag.=0x%04X\n", RegVal)); if ((RegVal & PHY_M_CABD_ENA_TEST) != 0) { /* test is running */ return(2); } /* get the test results */ for (i = 0; i < 4; i++) { /* set address to i for MDI[i] */ SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_EXT_ADR, (SK_U16)i); /* get Cable Diagnostic values */ SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CABLE_DIAG, &RegVal); pPrt->PMdiPairLen[i] = (SK_U8)(RegVal & PHY_M_CABD_DIST_MSK); pPrt->PMdiPairSts[i] = (SK_U8)((RegVal & PHY_M_CABD_STAT_MSK) >> 13); } return(0); } /* SkGmCableDiagStatus */ #endif /* CONFIG_SK98 */ /* End of file */