diff options
author | Detlev Zundel <dzu@denx.de> | 2010-03-08 14:02:57 +0100 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2010-03-12 09:49:23 +0100 |
commit | 9c9cbe78dcb0afad081670cb1bdc82d227095cae (patch) | |
tree | 96ff52644a17dd954534487f2e9ea6ffcef19d89 /drivers/net/sk98lin/skgesirq.c | |
parent | ca02f6f8dc4966b2a019b15e01b5070189327df2 (diff) | |
download | u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.zip u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.tar.gz u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.tar.bz2 |
mpc82xx: Remove SL8245 board and the now orpahned sk98lin network driver.
This code has compile problems and the company does not even exist any
more. So we take the liberty to drop support for it.
Signed-off-by: Detlev Zundel <dzu@denx.de>
CC: Wolfgang Denk <wd@denx.de>
CC: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'drivers/net/sk98lin/skgesirq.c')
-rw-r--r-- | drivers/net/sk98lin/skgesirq.c | 2416 |
1 files changed, 0 insertions, 2416 deletions
diff --git a/drivers/net/sk98lin/skgesirq.c b/drivers/net/sk98lin/skgesirq.c deleted file mode 100644 index 53229d2..0000000 --- a/drivers/net/sk98lin/skgesirq.c +++ /dev/null @@ -1,2416 +0,0 @@ -/****************************************************************************** - * - * Name: skgesirq.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.83 $ - * Date: $Date: 2003/02/05 15:10:59 $ - * Purpose: Special IRQ module - * - ******************************************************************************/ - -/****************************************************************************** - * - * (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: skgesirq.c,v $ - * Revision 1.83 2003/02/05 15:10:59 rschmidt - * Fixed setting of PLinkSpeedUsed in SkHWLinkUp() when - * auto-negotiation is disabled. - * Editorial changes. - * - * Revision 1.82 2003/01/29 13:34:33 rschmidt - * Added some typecasts to avoid compiler warnings. - * - * Revision 1.81 2002/12/05 10:49:51 rschmidt - * Fixed missing Link Down Event for fiber (Bug Id #10768) - * Added reading of cable length when link is up - * Removed testing of unused error bits in PHY ISR - * Editorial changes. - * - * Revision 1.80 2002/11/12 17:15:21 rschmidt - * Replaced SkPnmiGetVar() by ...MacStatistic() in SkMacParity(). - * Editorial changes. - * - * Revision 1.79 2002/10/14 15:14:51 rschmidt - * Changed clearing of IS_M1_PAR_ERR (MAC 1 Parity Error) in - * SkMacParity() depending on GIChipRev (HW-Bug #8). - * Added error messages for GPHY Auto-Negotiation Error and - * FIFO Overflow/Underrun in SkPhyIsrGmac(). - * Editorial changes. - * - * Revision 1.78 2002/10/10 15:54:29 mkarl - * changes for PLinkSpeedUsed - * - * Revision 1.77 2002/09/12 08:58:51 rwahl - * Retrieve counters needed for XMAC errata workarounds directly because - * PNMI returns corrected counter values (e.g. #10620). - * - * Revision 1.76 2002/08/16 15:21:54 rschmidt - * Replaced all if(GIChipId == CHIP_ID_GENESIS) with new entry GIGenesis. - * Replaced wrong 1st para pAC with IoC in SK_IN/OUT macros. - * Editorial changes. - * - * Revision 1.75 2002/08/12 13:50:47 rschmidt - * Changed clearing of IS_M1_PAR_ERR (MAC 1 Parity Error) in - * SkMacParity() by GMF_CLI_TX_FC instead of GMF_CLI_TX_PE (HW-Bug #8). - * Added clearing of IS_IRQ_TIST_OV and IS_IRQ_SENSOR in SkGeHwErr(). - * Corrected handling of Link Up and Auto-Negotiation Over for GPHY. - * in SkGePortCheckUpGmac(). - * Editorial changes. - * - * Revision 1.74 2002/08/08 16:17:04 rschmidt - * Added PhyType check for SK_HWEV_SET_ROLE event (copper only) - * Changed Link Up check reading PHY Specific Status (YUKON) - * Editorial changes - * - * Revision 1.73 2002/07/15 18:36:53 rwahl - * Editorial changes. - * - * Revision 1.72 2002/07/15 15:46:26 rschmidt - * Added new event: SK_HWEV_SET_SPEED - * Editorial changes - * - * Revision 1.71 2002/06/10 09:34:19 rschmidt - * Editorial changes - * - * Revision 1.70 2002/06/05 08:29:18 rschmidt - * SkXmRxTxEnable() replaced by SkMacRxTxEnable(). - * Editorial changes. - * - * Revision 1.69 2002/04/25 13:03:49 rschmidt - * Changes for handling YUKON. - * Use of #ifdef OTHER_PHY to eliminate code for unused Phy types. - * Replaced all XMAC-access macros by functions: SkMacRxTxDisable(), - * SkMacIrqDisable(). - * Added handling for GMAC FIFO in SkMacParity(). - * Replaced all SkXm...() functions with SkMac...() to handle also - * YUKON's GMAC. - * Macros for XMAC PHY access PHY_READ(), PHY_WRITE() replaced - * by functions SkXmPhyRead(), SkXmPhyWrite(). - * Disabling all PHY interrupts moved to SkMacIrqDisable(). - * Added handling for GPHY IRQ in SkGeSirqIsr(). - * Removed status parameter from MAC IRQ handler SkMacIrq(). - * Added SkGePortCheckUpGmac(), SkPhyIsrGmac() for GMAC. - * Editorial changes - * - * Revision 1.68 2002/02/26 15:24:53 rwahl - * Fix: no link with manual configuration (#10673). The previous fix for - * #10639 was removed. So for RLMT mode = CLS the RLMT may switch to - * misconfigured port. It should not occur for the other RLMT modes. - * - * Revision 1.67 2001/11/20 09:19:58 rwahl - * Reworked bugfix #10639 (no dependency to RLMT mode). - * - * Revision 1.66 2001/10/26 07:52:53 afischer - * Port switching bug in `check local link` mode - * - * Revision 1.65 2001/02/23 13:41:51 gklug - * fix: PHYS2INST should be used correctly for Dual Net operation - * chg: do no longer work with older PNMI - * - * Revision 1.64 2001/02/15 11:27:04 rassmann - * Working with RLMT v1 if SK_MAX_NETS undefined. - * - * Revision 1.63 2001/02/06 10:44:23 mkunz - * - NetIndex added to interface functions of pnmi V4 with dual net support - * - * Revision 1.62 2001/01/31 15:31:41 gklug - * fix: problem with autosensing an SR8800 switch - * - * Revision 1.61 2000/11/09 11:30:09 rassmann - * WA: Waiting after releasing reset until BCom chip is accessible. - * - * Revision 1.60 2000/10/18 12:37:48 cgoos - * Reinserted the comment for version 1.56. - * - * Revision 1.59 2000/10/18 12:22:20 cgoos - * Added workaround for half duplex hangup. - * - * Revision 1.58 2000/09/28 13:06:04 gklug - * fix: BCom may NOT be touched if XMAC is in RESET state - * - * Revision 1.57 2000/09/08 12:38:39 cgoos - * Added forgotten variable declaration. - * - * Revision 1.56 2000/09/08 08:12:13 cgoos - * Changed handling of parity errors in SkGeHwErr (correct reset of error). - * - * Revision 1.55 2000/06/19 08:36:25 cgoos - * Changed comment. - * - * Revision 1.54 2000/05/22 08:45:57 malthoff - * Fix: #10523 is valid for all BCom PHYs. - * - * Revision 1.53 2000/05/19 10:20:30 cgoos - * Removed Solaris debug output code. - * - * Revision 1.52 2000/05/19 10:19:37 cgoos - * Added PHY state check in HWLinkDown. - * Move PHY interrupt code to IS_EXT_REG case in SkGeSirqIsr. - * - * Revision 1.51 2000/05/18 05:56:20 cgoos - * Fixed typo. - * - * Revision 1.50 2000/05/17 12:49:49 malthoff - * Fixes BCom link bugs (#10523). - * - * Revision 1.49 1999/12/17 11:02:50 gklug - * fix: read PHY_STAT of Broadcom chip more often to assure good status - * - * Revision 1.48 1999/12/06 10:01:17 cgoos - * Added SET function for Role. - * - * Revision 1.47 1999/11/22 13:34:24 cgoos - * Changed license header to GPL. - * - * Revision 1.46 1999/09/16 10:30:07 cgoos - * Removed debugging output statement from Linux. - * - * Revision 1.45 1999/09/16 07:32:55 cgoos - * Fixed dual-port copperfield bug (PHY_READ from resetted port). - * Removed some unused variables. - * - * Revision 1.44 1999/08/03 15:25:04 cgoos - * Removed workaround for disabled interrupts in half duplex mode. - * - * Revision 1.43 1999/08/03 14:27:58 cgoos - * Removed SENSE mode code from SkGePortCheckUpBcom. - * - * Revision 1.42 1999/07/26 09:16:54 cgoos - * Added some typecasts to avoid compiler warnings. - * - * Revision 1.41 1999/05/19 07:28:59 cgoos - * Changes for 1000Base-T. - * - * Revision 1.40 1999/04/08 13:59:39 gklug - * fix: problem with 3Com switches endless RESTARTs - * - * Revision 1.39 1999/03/08 10:10:52 gklug - * fix: AutoSensing did switch to next mode even if LiPa indicated offline - * - * Revision 1.38 1999/03/08 09:49:03 gklug - * fix: Bug using pAC instead of IoC, causing AIX problems - * fix: change compare for Linux compiler bug workaround - * - * Revision 1.37 1999/01/28 14:51:33 gklug - * fix: monitor for autosensing and extra RESETS the RX on wire counters - * - * Revision 1.36 1999/01/22 09:19:55 gklug - * fix: Init DupMode and InitPauseMd are now called in RxTxEnable - * - * Revision 1.35 1998/12/11 15:22:59 gklug - * chg: autosensing: check for receive if manual mode was guessed - * chg: simplified workaround for XMAC errata - * chg: wait additional 100 ms before link goes up. - * chg: autoneg timeout to 600 ms - * chg: restart autoneg even if configured to autonegotiation - * - * Revision 1.34 1998/12/10 10:33:14 gklug - * add: more debug messages - * fix: do a new InitPhy if link went down (AutoSensing problem) - * chg: Check for zero shorts if link is NOT up - * chg: reset Port if link goes down - * chg: wait additional 100 ms when link comes up to check shorts - * fix: dummy read extended autoneg status to prevent link going down immediately - * - * Revision 1.33 1998/12/07 12:18:29 gklug - * add: refinement of autosense mode: take into account the autoneg cap of LiPa - * - * Revision 1.32 1998/12/07 07:11:21 gklug - * fix: compiler warning - * - * Revision 1.31 1998/12/02 09:29:05 gklug - * fix: WA XMAC Errata: FCSCt check was not correct. - * fix: WA XMAC Errata: Prec Counter were NOT updated in case of short checks. - * fix: Clear Stat : now clears the Prev counters of all known Ports - * - * Revision 1.30 1998/12/01 10:54:15 gklug - * dd: workaround for XMAC errata changed. Check RX count and CRC err Count, too. - * - * Revision 1.29 1998/12/01 10:01:53 gklug - * fix: if MAC IRQ occurs during port down, this will be handled correctly - * - * Revision 1.28 1998/11/26 16:22:11 gklug - * fix: bug in autosense if manual modes are used - * - * Revision 1.27 1998/11/26 15:50:06 gklug - * fix: PNMI needs to set PLinkModeConf - * - * Revision 1.26 1998/11/26 14:51:58 gklug - * add: AutoSensing functionalty - * - * Revision 1.25 1998/11/26 07:34:37 gklug - * fix: Init PrevShorts when restarting port due to Link connection - * - * Revision 1.24 1998/11/25 10:57:32 gklug - * fix: remove unreferenced local vars - * - * Revision 1.23 1998/11/25 08:26:40 gklug - * fix: don't do a RESET on a starting or stopping port - * - * Revision 1.22 1998/11/24 13:29:44 gklug - * add: Workaround for MAC parity errata - * - * Revision 1.21 1998/11/18 15:31:06 gklug - * fix: lint bugs - * - * Revision 1.20 1998/11/18 12:58:54 gklug - * fix: use PNMI query instead of hardware access - * - * Revision 1.19 1998/11/18 12:54:55 gklug - * chg: add new workaround for XMAC Errata - * add: short event counter monitoring on active link too - * - * Revision 1.18 1998/11/13 14:27:41 malthoff - * Bug Fix: Packet Arbiter Timeout was not cleared correctly - * for timeout on TX1 and TX2. - * - * Revision 1.17 1998/11/04 07:01:59 cgoos - * Moved HW link poll sequence. - * Added call to SkXmRxTxEnable. - * - * Revision 1.16 1998/11/03 13:46:03 gklug - * add: functionality of SET_LMODE and SET_FLOW_MODE - * fix: send RLMT LinkDown event when Port stop is given with LinkUp - * - * Revision 1.15 1998/11/03 12:56:47 gklug - * fix: Needs more events - * - * Revision 1.14 1998/10/30 07:36:35 gklug - * rmv: unnecessary code - * - * Revision 1.13 1998/10/29 15:21:57 gklug - * add: Poll link feature for activating HW link - * fix: Deactivate HWLink when Port STOP is given - * - * Revision 1.12 1998/10/28 07:38:57 cgoos - * Checking link status at begin of SkHWLinkUp. - * - * Revision 1.11 1998/10/22 09:46:50 gklug - * fix SysKonnectFileId typo - * - * Revision 1.10 1998/10/14 13:57:47 gklug - * add: Port start/stop event - * - * Revision 1.9 1998/10/14 05:48:29 cgoos - * Added definition for Para. - * - * Revision 1.8 1998/10/14 05:40:09 gklug - * add: Hardware Linkup signal used - * - * Revision 1.7 1998/10/09 06:50:20 malthoff - * Remove ID_sccs by SysKonnectFileId. - * - * Revision 1.6 1998/10/08 09:11:49 gklug - * add: clear IRQ commands - * - * Revision 1.5 1998/10/02 14:27:35 cgoos - * Fixed some typos and wrong event names. - * - * Revision 1.4 1998/10/02 06:24:17 gklug - * add: HW error function - * fix: OUT macros - * - * Revision 1.3 1998/10/01 07:03:00 gklug - * add: ISR for the usual interrupt source register - * - * Revision 1.2 1998/09/03 13:50:33 gklug - * add: function prototypes - * - * Revision 1.1 1998/08/27 11:50:21 gklug - * initial revision - * - * - * - ******************************************************************************/ - -#include <config.h> - -/* - * Special Interrupt handler - * - * The following abstract should show how this module is included - * in the driver path: - * - * In the ISR of the driver the bits for frame transmission complete and - * for receive complete are checked and handled by the driver itself. - * The bits of the slow path mask are checked after that and then the - * entry into the so-called "slow path" is prepared. It is an implementors - * decision whether this is executed directly or just scheduled by - * disabling the mask. In the interrupt service routine some events may be - * generated, so it would be a good idea to call the EventDispatcher - * right after this ISR. - * - * The Interrupt source register of the adapter is NOT read by this module. - * SO if the drivers implementor needs a while loop around the - * slow data paths interrupt bits, he needs to call the SkGeSirqIsr() for - * each loop entered. - * - * However, the MAC Interrupt status registers are read in a while loop. - * - */ - -static const char SysKonnectFileId[] = - "$Id: skgesirq.c,v 1.83 2003/02/05 15:10:59 rschmidt Exp $" ; - -#include "h/skdrv1st.h" /* Driver Specific Definitions */ -#include "h/skgepnmi.h" /* PNMI Definitions */ -#include "h/skrlmt.h" /* RLMT Definitions */ -#include "h/skdrv2nd.h" /* Adapter Control and Driver specific Def. */ - -/* local function prototypes */ -static int SkGePortCheckUpXmac(SK_AC*, SK_IOC, int); -static int SkGePortCheckUpBcom(SK_AC*, SK_IOC, int); -static int SkGePortCheckUpGmac(SK_AC*, SK_IOC, int); -static void SkPhyIsrBcom(SK_AC*, SK_IOC, int, SK_U16); -static void SkPhyIsrGmac(SK_AC*, SK_IOC, int, SK_U16); -#ifdef OTHER_PHY -static int SkGePortCheckUpLone(SK_AC*, SK_IOC, int); -static int SkGePortCheckUpNat(SK_AC*, SK_IOC, int); -static void SkPhyIsrLone(SK_AC*, SK_IOC, int, SK_U16); -#endif /* OTHER_PHY */ - -/* - * array of Rx counter from XMAC which are checked - * in AutoSense mode to check whether a link is not able to auto-negotiate. - */ -static const SK_U16 SkGeRxRegs[]= { - XM_RXF_64B, - XM_RXF_127B, - XM_RXF_255B, - XM_RXF_511B, - XM_RXF_1023B, - XM_RXF_MAX_SZ -} ; - -#ifdef __C2MAN__ -/* - * Special IRQ function - * - * General Description: - * - */ -intro() -{} -#endif - -/* Define return codes of SkGePortCheckUp and CheckShort */ -#define SK_HW_PS_NONE 0 /* No action needed */ -#define SK_HW_PS_RESTART 1 /* Restart needed */ -#define SK_HW_PS_LINK 2 /* Link Up actions needed */ - -/****************************************************************************** - * - * SkHWInitDefSense() - Default Autosensing mode initialization - * - * Description: sets the PLinkMode for HWInit - * - * Returns: N/A - */ -static void SkHWInitDefSense( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - - pPrt = &pAC->GIni.GP[Port]; - - pPrt->PAutoNegTimeOut = 0; - - if (pPrt->PLinkModeConf != SK_LMODE_AUTOSENSE) { - pPrt->PLinkMode = pPrt->PLinkModeConf; - return; - } - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("AutoSensing: First mode %d on Port %d\n", - (int)SK_LMODE_AUTOFULL, Port)); - - pPrt->PLinkMode = SK_LMODE_AUTOFULL; - - return; -} /* SkHWInitDefSense */ - - -/****************************************************************************** - * - * SkHWSenseGetNext() - Get Next Autosensing Mode - * - * Description: gets the appropriate next mode - * - * Note: - * - */ -SK_U8 SkHWSenseGetNext( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - - pPrt = &pAC->GIni.GP[Port]; - - pPrt->PAutoNegTimeOut = 0; - - if (pPrt->PLinkModeConf != SK_LMODE_AUTOSENSE) { - /* Leave all as configured */ - return(pPrt->PLinkModeConf); - } - - if (pPrt->PLinkMode == SK_LMODE_AUTOFULL) { - /* Return next mode AUTOBOTH */ - return(SK_LMODE_AUTOBOTH); - } - - /* Return default autofull */ - return(SK_LMODE_AUTOFULL); -} /* SkHWSenseGetNext */ - - -/****************************************************************************** - * - * SkHWSenseSetNext() - Autosensing Set next mode - * - * Description: sets the appropriate next mode - * - * Returns: N/A - */ -void SkHWSenseSetNext( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port, /* Port Index (MAC_1 + n) */ -SK_U8 NewMode) /* New Mode to be written in sense mode */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - - pPrt = &pAC->GIni.GP[Port]; - - pPrt->PAutoNegTimeOut = 0; - - if (pPrt->PLinkModeConf != SK_LMODE_AUTOSENSE) { - return; - } - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("AutoSensing: next mode %d on Port %d\n", - (int)NewMode, Port)); - - pPrt->PLinkMode = NewMode; - - return; -} /* SkHWSenseSetNext */ - - -/****************************************************************************** - * - * SkHWLinkDown() - Link Down handling - * - * Description: handles the hardware link down signal - * - * Returns: N/A - */ -void SkHWLinkDown( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - - pPrt = &pAC->GIni.GP[Port]; - - /* Disable all MAC interrupts */ - SkMacIrqDisable(pAC, IoC, Port); - - /* Disable Receiver and Transmitter */ - SkMacRxTxDisable(pAC, IoC, Port); - - /* Init default sense mode */ - SkHWInitDefSense(pAC, IoC, Port); - - if (!pPrt->PHWLinkUp) { - return; - } - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link down Port %d\n", Port)); - - /* Set Link to DOWN */ - pPrt->PHWLinkUp = SK_FALSE; - - /* Reset Port stati */ - pPrt->PLinkModeStatus = SK_LMODE_STAT_UNKNOWN; - pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; - pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_INDETERMINATED; - - /* Re-init Phy especially when the AutoSense default is set now */ - SkMacInitPhy(pAC, IoC, Port, SK_FALSE); - - /* GP0: used for workaround of Rev. C Errata 2 */ - - /* Do NOT signal to RLMT */ - - /* Do NOT start the timer here */ -} /* SkHWLinkDown */ - - -/****************************************************************************** - * - * SkHWLinkUp() - Link Up handling - * - * Description: handles the hardware link up signal - * - * Returns: N/A - */ -void SkHWLinkUp( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - - pPrt = &pAC->GIni.GP[Port]; - - if (pPrt->PHWLinkUp) { - /* We do NOT need to proceed on active link */ - return; - } - - pPrt->PHWLinkUp = SK_TRUE; - pPrt->PAutoNegFail = SK_FALSE; - pPrt->PLinkModeStatus = SK_LMODE_STAT_UNKNOWN; - - if (pPrt->PLinkMode != SK_LMODE_AUTOHALF && - pPrt->PLinkMode != SK_LMODE_AUTOFULL && - pPrt->PLinkMode != SK_LMODE_AUTOBOTH) { - /* Link is up and no Auto-negotiation should be done */ - - /* Link speed should be the configured one */ - switch (pPrt->PLinkSpeed) { - case SK_LSPEED_AUTO: - /* default is 1000 Mbps */ - case SK_LSPEED_1000MBPS: - pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_1000MBPS; - break; - case SK_LSPEED_100MBPS: - pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_100MBPS; - break; - case SK_LSPEED_10MBPS: - pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_10MBPS; - break; - } - - /* Set Link Mode Status */ - if (pPrt->PLinkMode == SK_LMODE_FULL) { - pPrt->PLinkModeStatus = SK_LMODE_STAT_FULL; - } - else { - pPrt->PLinkModeStatus = SK_LMODE_STAT_HALF; - } - - /* No flow control without auto-negotiation */ - pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; - - /* enable Rx/Tx */ - SkMacRxTxEnable(pAC, IoC, Port); - } -} /* SkHWLinkUp */ - - -/****************************************************************************** - * - * SkMacParity() - MAC parity workaround - * - * Description: handles MAC parity errors correctly - * - * Returns: N/A - */ -static void SkMacParity( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index of the port failed */ -{ - SK_EVPARA Para; - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - SK_U32 TxMax; /* TxMax Counter */ - - pPrt = &pAC->GIni.GP[Port]; - - /* Clear IRQ Tx Parity Error */ - if (pAC->GIni.GIGenesis) { - SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_CLR_PERR); - } - else { - /* HW-Bug #8: cleared by GMF_CLI_TX_FC instead of GMF_CLI_TX_PE */ - SK_OUT8(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), - (SK_U8)((pAC->GIni.GIChipRev == 0) ? GMF_CLI_TX_FC : GMF_CLI_TX_PE)); - } - - if (pPrt->PCheckPar) { - if (Port == MAC_1) { - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E016, SKERR_SIRQ_E016MSG); - } - else { - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E017, SKERR_SIRQ_E017MSG); - } - Para.Para64 = Port; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = Port; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - - return; - } - - /* Check whether frames with a size of 1k were sent */ - if (pAC->GIni.GIGenesis) { - /* Snap statistic counters */ - (void)SkXmUpdateStats(pAC, IoC, Port); - - (void)SkXmMacStatistic(pAC, IoC, Port, XM_TXF_MAX_SZ, &TxMax); - } - else { - (void)SkGmMacStatistic(pAC, IoC, Port, GM_TXF_1518B, &TxMax); - } - - if (TxMax > 0) { - /* From now on check the parity */ - pPrt->PCheckPar = SK_TRUE; - } -} /* SkMacParity */ - - -/****************************************************************************** - * - * SkGeHwErr() - Hardware Error service routine - * - * Description: handles all HW Error interrupts - * - * Returns: N/A - */ -static void SkGeHwErr( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -SK_U32 HwStatus) /* Interrupt status word */ -{ - SK_EVPARA Para; - SK_U16 Word; - - if ((HwStatus & (IS_IRQ_MST_ERR | IS_IRQ_STAT)) != 0) { - /* PCI Errors occured */ - if ((HwStatus & IS_IRQ_STAT) != 0) { - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E013, SKERR_SIRQ_E013MSG); - } - else { - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E012, SKERR_SIRQ_E012MSG); - } - - /* Reset all bits in the PCI STATUS register */ - SK_IN16(IoC, PCI_C(PCI_STATUS), &Word); - - SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON); - SK_OUT16(IoC, PCI_C(PCI_STATUS), Word | PCI_ERRBITS); - SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF); - - Para.Para64 = 0; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); - } - - if (pAC->GIni.GIGenesis) { - if ((HwStatus & IS_NO_STAT_M1) != 0) { - /* Ignore it */ - /* This situation is also indicated in the descriptor */ - SK_OUT16(IoC, MR_ADDR(MAC_1, RX_MFF_CTRL1), MFF_CLR_INSTAT); - } - - if ((HwStatus & IS_NO_STAT_M2) != 0) { - /* Ignore it */ - /* This situation is also indicated in the descriptor */ - SK_OUT16(IoC, MR_ADDR(MAC_2, RX_MFF_CTRL1), MFF_CLR_INSTAT); - } - - if ((HwStatus & IS_NO_TIST_M1) != 0) { - /* Ignore it */ - /* This situation is also indicated in the descriptor */ - SK_OUT16(IoC, MR_ADDR(MAC_1, RX_MFF_CTRL1), MFF_CLR_INTIST); - } - - if ((HwStatus & IS_NO_TIST_M2) != 0) { - /* Ignore it */ - /* This situation is also indicated in the descriptor */ - SK_OUT16(IoC, MR_ADDR(MAC_2, RX_MFF_CTRL1), MFF_CLR_INTIST); - } - } - else { /* YUKON */ - /* This is necessary only for Rx timing measurements */ - if ((HwStatus & IS_IRQ_TIST_OV) != 0) { - /* Clear Time Stamp Timer IRQ */ - SK_OUT8(IoC, GMAC_TI_ST_CTRL, (SK_U8)GMT_ST_CLR_IRQ); - } - - if ((HwStatus & IS_IRQ_SENSOR) != 0) { - /* Clear I2C IRQ */ - SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ); - } - } - - if ((HwStatus & IS_RAM_RD_PAR) != 0) { - SK_OUT16(IoC, B3_RI_CTRL, RI_CLR_RD_PERR); - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E014, SKERR_SIRQ_E014MSG); - Para.Para64 = 0; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); - } - - if ((HwStatus & IS_RAM_WR_PAR) != 0) { - SK_OUT16(IoC, B3_RI_CTRL, RI_CLR_WR_PERR); - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E015, SKERR_SIRQ_E015MSG); - Para.Para64 = 0; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); - } - - if ((HwStatus & IS_M1_PAR_ERR) != 0) { - SkMacParity(pAC, IoC, MAC_1); - } - - if ((HwStatus & IS_M2_PAR_ERR) != 0) { - SkMacParity(pAC, IoC, MAC_2); - } - - if ((HwStatus & IS_R1_PAR_ERR) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_R1_CSR, CSR_IRQ_CL_P); - - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E018, SKERR_SIRQ_E018MSG); - Para.Para64 = MAC_1; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((HwStatus & IS_R2_PAR_ERR) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_R2_CSR, CSR_IRQ_CL_P); - - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E019, SKERR_SIRQ_E019MSG); - Para.Para64 = MAC_2; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_2; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } -} /* SkGeHwErr */ - - -/****************************************************************************** - * - * SkGeSirqIsr() - Special Interrupt Service Routine - * - * Description: handles all non data transfer specific interrupts (slow path) - * - * Returns: N/A - */ -void SkGeSirqIsr( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -SK_U32 Istatus) /* Interrupt status word */ -{ - SK_EVPARA Para; - SK_U32 RegVal32; /* Read register value */ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - unsigned Len; - SK_U64 Octets; - SK_U16 PhyInt; - SK_U16 PhyIMsk; - int i; - - if ((Istatus & IS_HW_ERR) != 0) { - /* read the HW Error Interrupt source */ - SK_IN32(IoC, B0_HWE_ISRC, &RegVal32); - - SkGeHwErr(pAC, IoC, RegVal32); - } - - /* - * Packet Timeout interrupts - */ - /* Check whether MACs are correctly initialized */ - if (((Istatus & (IS_PA_TO_RX1 | IS_PA_TO_TX1)) != 0) && - pAC->GIni.GP[MAC_1].PState == SK_PRT_RESET) { - /* MAC 1 was not initialized but Packet timeout occured */ - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E004, - SKERR_SIRQ_E004MSG); - } - - if (((Istatus & (IS_PA_TO_RX2 | IS_PA_TO_TX2)) != 0) && - pAC->GIni.GP[MAC_2].PState == SK_PRT_RESET) { - /* MAC 2 was not initialized but Packet timeout occured */ - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E005, - SKERR_SIRQ_E005MSG); - } - - if ((Istatus & IS_PA_TO_RX1) != 0) { - /* Means network is filling us up */ - SK_ERR_LOG(pAC, SK_ERRCL_HW | SK_ERRCL_INIT, SKERR_SIRQ_E002, - SKERR_SIRQ_E002MSG); - SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_RX1); - } - - if ((Istatus & IS_PA_TO_RX2) != 0) { - /* Means network is filling us up */ - SK_ERR_LOG(pAC, SK_ERRCL_HW | SK_ERRCL_INIT, SKERR_SIRQ_E003, - SKERR_SIRQ_E003MSG); - SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_RX2); - } - - if ((Istatus & IS_PA_TO_TX1) != 0) { - - pPrt = &pAC->GIni.GP[0]; - - /* May be a normal situation in a server with a slow network */ - SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_TX1); - - /* - * workaround: if in half duplex mode, check for Tx hangup. - * Read number of TX'ed bytes, wait for 10 ms, then compare - * the number with current value. If nothing changed, we assume - * that Tx is hanging and do a FIFO flush (see event routine). - */ - if ((pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || - pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) && - !pPrt->HalfDupTimerActive) { - /* - * many more pack. arb. timeouts may come in between, - * we ignore those - */ - pPrt->HalfDupTimerActive = SK_TRUE; - - Len = sizeof(SK_U64); - SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, - &Len, (SK_U32) SK_PNMI_PORT_PHYS2INST(pAC, 0), - pAC->Rlmt.Port[0].Net->NetNumber); - - pPrt->LastOctets = Octets; - - Para.Para32[0] = 0; - SkTimerStart(pAC, IoC, &pPrt->HalfDupChkTimer, SK_HALFDUP_CHK_TIME, - SKGE_HWAC, SK_HWEV_HALFDUP_CHK, Para); - } - } - - if ((Istatus & IS_PA_TO_TX2) != 0) { - - pPrt = &pAC->GIni.GP[1]; - - /* May be a normal situation in a server with a slow network */ - SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_TX2); - - /* workaround: see above */ - if ((pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || - pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) && - !pPrt->HalfDupTimerActive) { - pPrt->HalfDupTimerActive = SK_TRUE; - - Len = sizeof(SK_U64); - SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, - &Len, (SK_U32) SK_PNMI_PORT_PHYS2INST(pAC, 1), - pAC->Rlmt.Port[1].Net->NetNumber); - - pPrt->LastOctets = Octets; - - Para.Para32[0] = 1; - SkTimerStart(pAC, IoC, &pPrt->HalfDupChkTimer, SK_HALFDUP_CHK_TIME, - SKGE_HWAC, SK_HWEV_HALFDUP_CHK, Para); - } - } - - /* Check interrupts of the particular queues */ - if ((Istatus & IS_R1_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_R1_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E006, - SKERR_SIRQ_E006MSG); - Para.Para64 = MAC_1; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((Istatus & IS_R2_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_R2_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E007, - SKERR_SIRQ_E007MSG); - Para.Para64 = MAC_2; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_2; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((Istatus & IS_XS1_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_XS1_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E008, - SKERR_SIRQ_E008MSG); - Para.Para64 = MAC_1; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((Istatus & IS_XA1_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_XA1_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E009, - SKERR_SIRQ_E009MSG); - Para.Para64 = MAC_1; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((Istatus & IS_XS2_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_XS2_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E010, - SKERR_SIRQ_E010MSG); - Para.Para64 = MAC_2; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_2; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((Istatus & IS_XA2_C) != 0) { - /* Clear IRQ */ - SK_OUT32(IoC, B0_XA2_CSR, CSR_IRQ_CL_C); - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E011, - SKERR_SIRQ_E011MSG); - Para.Para64 = MAC_2; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); - Para.Para32[0] = MAC_2; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - /* External reg interrupt */ - if ((Istatus & IS_EXT_REG) != 0) { - /* Test IRQs from PHY */ - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - - pPrt = &pAC->GIni.GP[i]; - - if (pPrt->PState == SK_PRT_RESET) { - continue; - } - - switch (pPrt->PhyType) { - - case SK_PHY_XMAC: - break; - - case SK_PHY_BCOM: - SkXmPhyRead(pAC, IoC, i, PHY_BCOM_INT_STAT, &PhyInt); - SkXmPhyRead(pAC, IoC, i, PHY_BCOM_INT_MASK, &PhyIMsk); - - if ((PhyInt & ~PhyIMsk) != 0) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Port %d Bcom Int: 0x%04X Mask: 0x%04X\n", - i, PhyInt, PhyIMsk)); - SkPhyIsrBcom(pAC, IoC, i, PhyInt); - } - break; - - case SK_PHY_MARV_COPPER: - case SK_PHY_MARV_FIBER: - SkGmPhyRead(pAC, IoC, i, PHY_MARV_INT_STAT, &PhyInt); - SkGmPhyRead(pAC, IoC, i, PHY_MARV_INT_MASK, &PhyIMsk); - - if ((PhyInt & PhyIMsk) != 0) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Port %d Marv Int: 0x%04X Mask: 0x%04X\n", - i, PhyInt, PhyIMsk)); - SkPhyIsrGmac(pAC, IoC, i, PhyInt); - } - break; - -#ifdef OTHER_PHY - case SK_PHY_LONE: - SkXmPhyRead(pAC, IoC, i, PHY_LONE_INT_STAT, &PhyInt); - SkXmPhyRead(pAC, IoC, i, PHY_LONE_INT_ENAB, &PhyIMsk); - - if ((PhyInt & PhyIMsk) != 0) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Port %d Lone Int: %x Mask: %x\n", - i, PhyInt, PhyIMsk)); - SkPhyIsrLone(pAC, IoC, i, PhyInt); - } - break; - case SK_PHY_NAT: - /* todo: National */ - break; -#endif /* OTHER_PHY */ - } - } - } - - /* I2C Ready interrupt */ - if ((Istatus & IS_I2C_READY) != 0) { - SkI2cIsr(pAC, IoC); - } - - if ((Istatus & IS_LNK_SYNC_M1) != 0) { - /* - * We do NOT need the Link Sync interrupt, because it shows - * us only a link going down. - */ - /* clear interrupt */ - SK_OUT8(IoC, MR_ADDR(MAC_1, LNK_SYNC_CTRL), LED_CLR_IRQ); - } - - /* Check MAC after link sync counter */ - if ((Istatus & IS_MAC1) != 0) { - /* IRQ from MAC 1 */ - SkMacIrq(pAC, IoC, MAC_1); - } - - if ((Istatus & IS_LNK_SYNC_M2) != 0) { - /* - * We do NOT need the Link Sync interrupt, because it shows - * us only a link going down. - */ - /* clear interrupt */ - SK_OUT8(IoC, MR_ADDR(MAC_2, LNK_SYNC_CTRL), LED_CLR_IRQ); - } - - /* Check MAC after link sync counter */ - if ((Istatus & IS_MAC2) != 0) { - /* IRQ from MAC 2 */ - SkMacIrq(pAC, IoC, MAC_2); - } - - /* Timer interrupt (served last) */ - if ((Istatus & IS_TIMINT) != 0) { - SkHwtIsr(pAC, IoC); - } -} /* SkGeSirqIsr */ - - -/****************************************************************************** - * - * SkGePortCheckShorts() - Implementing XMAC Workaround Errata # 2 - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - */ -static int SkGePortCheckShorts( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - SK_U32 Shorts; /* Short Event Counter */ - SK_U32 CheckShorts; /* Check value for Short Event Counter */ - SK_U64 RxCts; /* Rx Counter (packets on network) */ - SK_U32 RxTmp; /* Rx temp. Counter */ - SK_U32 FcsErrCts; /* FCS Error Counter */ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - int Rtv; /* Return value */ - int i; - - pPrt = &pAC->GIni.GP[Port]; - - /* Default: no action */ - Rtv = SK_HW_PS_NONE; - - (void)SkXmUpdateStats(pAC, IoC, Port); - - /* Extra precaution: check for short Event counter */ - (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXE_SHT_ERR, &Shorts); - - /* - * Read Rx counter (packets seen on the network and not necessarily - * really received. - */ - RxCts = 0; - - for (i = 0; i < sizeof(SkGeRxRegs)/sizeof(SkGeRxRegs[0]); i++) { - (void)SkXmMacStatistic(pAC, IoC, Port, SkGeRxRegs[i], &RxTmp); - RxCts += (SK_U64)RxTmp; - } - - /* On default: check shorts against zero */ - CheckShorts = 0; - - /* Extra precaution on active links */ - if (pPrt->PHWLinkUp) { - /* Reset Link Restart counter */ - pPrt->PLinkResCt = 0; - pPrt->PAutoNegTOCt = 0; - - /* If link is up check for 2 */ - CheckShorts = 2; - - (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXF_FCS_ERR, &FcsErrCts); - - if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && - pPrt->PLipaAutoNeg == SK_LIPA_UNKNOWN && - (pPrt->PLinkMode == SK_LMODE_HALF || - pPrt->PLinkMode == SK_LMODE_FULL)) { - /* - * This is autosensing and we are in the fallback - * manual full/half duplex mode. - */ - if (RxCts == pPrt->PPrevRx) { - /* Nothing received, restart link */ - pPrt->PPrevFcs = FcsErrCts; - pPrt->PPrevShorts = Shorts; - - return(SK_HW_PS_RESTART); - } - else { - pPrt->PLipaAutoNeg = SK_LIPA_MANUAL; - } - } - - if (((RxCts - pPrt->PPrevRx) > pPrt->PRxLim) || - (!(FcsErrCts - pPrt->PPrevFcs))) { - /* - * Note: The compare with zero above has to be done the way shown, - * otherwise the Linux driver will have a problem. - */ - /* - * We received a bunch of frames or no CRC error occured on the - * network -> ok. - */ - pPrt->PPrevRx = RxCts; - pPrt->PPrevFcs = FcsErrCts; - pPrt->PPrevShorts = Shorts; - - return(SK_HW_PS_NONE); - } - - pPrt->PPrevFcs = FcsErrCts; - } - - - if ((Shorts - pPrt->PPrevShorts) > CheckShorts) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Short Event Count Restart Port %d \n", Port)); - Rtv = SK_HW_PS_RESTART; - } - - pPrt->PPrevShorts = Shorts; - pPrt->PPrevRx = RxCts; - - return(Rtv); -} /* SkGePortCheckShorts */ - - -/****************************************************************************** - * - * SkGePortCheckUp() - Check if the link is up - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUp( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - switch (pAC->GIni.GP[Port].PhyType) { - case SK_PHY_XMAC: - return(SkGePortCheckUpXmac(pAC, IoC, Port)); - case SK_PHY_BCOM: - return(SkGePortCheckUpBcom(pAC, IoC, Port)); - case SK_PHY_MARV_COPPER: - case SK_PHY_MARV_FIBER: - return(SkGePortCheckUpGmac(pAC, IoC, Port)); -#ifdef OTHER_PHY - case SK_PHY_LONE: - return(SkGePortCheckUpLone(pAC, IoC, Port)); - case SK_PHY_NAT: - return(SkGePortCheckUpNat(pAC, IoC, Port)); -#endif /* OTHER_PHY */ - } - return(SK_HW_PS_NONE); -} /* SkGePortCheckUp */ - - -/****************************************************************************** - * - * SkGePortCheckUpXmac() - Implementing of the Workaround Errata # 2 - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUpXmac( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - SK_U32 Shorts; /* Short Event Counter */ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - int Done; - SK_U32 GpReg; /* General Purpose register value */ - SK_U32 *pGpReg; /* Pointer to -- " -- */ - SK_U16 Isrc; /* Interrupt source register */ - SK_U16 IsrcSum; /* Interrupt source register sum */ - SK_U16 LpAb; /* Link Partner Ability */ - SK_U16 ResAb; /* Resolved Ability */ - SK_U16 ExtStat; /* Extended Status Register */ - SK_BOOL AutoNeg; /* Is Auto-negotiation used ? */ - SK_U8 NextMode; /* Next AutoSensing Mode */ - - pGpReg = &GpReg; - - pPrt = &pAC->GIni.GP[Port]; - - if (pPrt->PHWLinkUp) { - if (pPrt->PhyType != SK_PHY_XMAC) { - return(SK_HW_PS_NONE); - } - else { - return(SkGePortCheckShorts(pAC, IoC, Port)); - } - } - - IsrcSum = pPrt->PIsave; - pPrt->PIsave = 0; - - /* Now wait for each port's link */ - if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { - AutoNeg = SK_FALSE; - } - else { - AutoNeg = SK_TRUE; - } - - if (pPrt->PLinkBroken) { - /* Link was broken */ - XM_IN32(IoC, Port, XM_GP_PORT, pGpReg); - - if ((GpReg & XM_GP_INP_ASS) == 0) { - /* The Link is in sync */ - XM_IN16(IoC, Port, XM_ISRC, &Isrc); - IsrcSum |= Isrc; - SkXmAutoNegLipaXmac(pAC, IoC, Port, IsrcSum); - - if ((Isrc & XM_IS_INP_ASS) == 0) { - /* It has been in sync since last time */ - /* Restart the PORT */ - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link in sync Restart Port %d\n", Port)); - - (void)SkXmUpdateStats(pAC, IoC, Port); - - /* We now need to reinitialize the PrevShorts counter */ - (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXE_SHT_ERR, &Shorts); - pPrt->PPrevShorts = Shorts; - - pPrt->PLinkBroken = SK_FALSE; - - /* - * Link Restart Workaround: - * it may be possible that the other Link side - * restarts its link as well an we detect - * another LinkBroken. To prevent this - * happening we check for a maximum number - * of consecutive restart. If those happens, - * we do NOT restart the active link and - * check whether the link is now o.k. - */ - pPrt->PLinkResCt++; - - pPrt->PAutoNegTimeOut = 0; - - if (pPrt->PLinkResCt < SK_MAX_LRESTART) { - return(SK_HW_PS_RESTART); - } - - pPrt->PLinkResCt = 0; - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("Do NOT restart on Port %d %x %x\n", Port, Isrc, IsrcSum)); - } - else { - pPrt->PIsave = (SK_U16)(IsrcSum & XM_IS_AND); - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("Save Sync/nosync Port %d %x %x\n", Port, Isrc, IsrcSum)); - - /* Do nothing more if link is broken */ - return(SK_HW_PS_NONE); - } - } - else { - /* Do nothing more if link is broken */ - return(SK_HW_PS_NONE); - } - - } - else { - /* Link was not broken, check if it is */ - XM_IN16(IoC, Port, XM_ISRC, &Isrc); - IsrcSum |= Isrc; - if ((Isrc & XM_IS_INP_ASS) != 0) { - XM_IN16(IoC, Port, XM_ISRC, &Isrc); - IsrcSum |= Isrc; - if ((Isrc & XM_IS_INP_ASS) != 0) { - XM_IN16(IoC, Port, XM_ISRC, &Isrc); - IsrcSum |= Isrc; - if ((Isrc & XM_IS_INP_ASS) != 0) { - pPrt->PLinkBroken = SK_TRUE; - /* Re-Init Link partner Autoneg flag */ - pPrt->PLipaAutoNeg = SK_LIPA_UNKNOWN; - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link broken Port %d\n", Port)); - - /* Cable removed-> reinit sense mode */ - SkHWInitDefSense(pAC, IoC, Port); - - return(SK_HW_PS_RESTART); - } - } - } - else { - SkXmAutoNegLipaXmac(pAC, IoC, Port, Isrc); - if (SkGePortCheckShorts(pAC, IoC, Port) == SK_HW_PS_RESTART) { - return(SK_HW_PS_RESTART); - } - } - } - - /* - * here we usually can check whether the link is in sync and - * auto-negotiation is done. - */ - XM_IN32(IoC, Port, XM_GP_PORT, pGpReg); - XM_IN16(IoC, Port, XM_ISRC, &Isrc); - IsrcSum |= Isrc; - - SkXmAutoNegLipaXmac(pAC, IoC, Port, IsrcSum); - - if ((GpReg & XM_GP_INP_ASS) != 0 || (IsrcSum & XM_IS_INP_ASS) != 0) { - if ((GpReg & XM_GP_INP_ASS) == 0) { - /* Save Auto-negotiation Done interrupt only if link is in sync */ - pPrt->PIsave = (SK_U16)(IsrcSum & XM_IS_AND); - } -#ifdef DEBUG - if ((pPrt->PIsave & XM_IS_AND) != 0) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done rescheduled Port %d\n", Port)); - } -#endif /* DEBUG */ - return(SK_HW_PS_NONE); - } - - if (AutoNeg) { - if ((IsrcSum & XM_IS_AND) != 0) { - SkHWLinkUp(pAC, IoC, Port); - Done = SkMacAutoNegDone(pAC, IoC, Port); - if (Done != SK_AND_OK) { - /* Get PHY parameters, for debugging only */ - SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_AUNE_LP, &LpAb); - SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_RES_ABI, &ResAb); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg FAIL Port %d (LpAb %x, ResAb %x)\n", - Port, LpAb, ResAb)); - - /* Try next possible mode */ - NextMode = SkHWSenseGetNext(pAC, IoC, Port); - SkHWLinkDown(pAC, IoC, Port); - if (Done == SK_AND_DUP_CAP) { - /* GoTo next mode */ - SkHWSenseSetNext(pAC, IoC, Port, NextMode); - } - - return(SK_HW_PS_RESTART); - } - /* - * Dummy Read extended status to prevent extra link down/ups - * (clear Page Received bit if set) - */ - SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_AUNE_EXP, &ExtStat); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done Port %d\n", Port)); - return(SK_HW_PS_LINK); - } - - /* AutoNeg not done, but HW link is up. Check for timeouts */ - pPrt->PAutoNegTimeOut++; - if (pPrt->PAutoNegTimeOut >= SK_AND_MAX_TO) { - /* Increase the Timeout counter */ - pPrt->PAutoNegTOCt++; - - /* Timeout occured */ - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("AutoNeg timeout Port %d\n", Port)); - if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && - pPrt->PLipaAutoNeg != SK_LIPA_AUTO) { - /* Set Link manually up */ - SkHWSenseSetNext(pAC, IoC, Port, SK_LMODE_FULL); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Set manual full duplex Port %d\n", Port)); - } - - if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && - pPrt->PLipaAutoNeg == SK_LIPA_AUTO && - pPrt->PAutoNegTOCt >= SK_MAX_ANEG_TO) { - /* - * This is rather complicated. - * we need to check here whether the LIPA_AUTO - * we saw before is false alert. We saw at one - * switch ( SR8800) that on boot time it sends - * just one auto-neg packet and does no further - * auto-negotiation. - * Solution: we restart the autosensing after - * a few timeouts. - */ - pPrt->PAutoNegTOCt = 0; - pPrt->PLipaAutoNeg = SK_LIPA_UNKNOWN; - SkHWInitDefSense(pAC, IoC, Port); - } - - /* Do the restart */ - return(SK_HW_PS_RESTART); - } - } - else { - /* Link is up and we don't need more */ -#ifdef DEBUG - if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("ERROR: Lipa auto detected on port %d\n", Port)); - } -#endif /* DEBUG */ - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link sync(GP), Port %d\n", Port)); - SkHWLinkUp(pAC, IoC, Port); - - /* - * Link sync (GP) and so assume a good connection. But if not received - * a bunch of frames received in a time slot (maybe broken tx cable) - * the port is restart. - */ - return(SK_HW_PS_LINK); - } - - return(SK_HW_PS_NONE); -} /* SkGePortCheckUpXmac */ - - -/****************************************************************************** - * - * SkGePortCheckUpBcom() - Check if the link is up on Bcom PHY - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUpBcom( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - int Done; - SK_U16 Isrc; /* Interrupt source register */ - SK_U16 PhyStat; /* Phy Status Register */ - SK_U16 ResAb; /* Master/Slave resolution */ - SK_U16 Ctrl; /* Broadcom control flags */ -#ifdef DEBUG - SK_U16 LpAb; - SK_U16 ExtStat; -#endif /* DEBUG */ - SK_BOOL AutoNeg; /* Is Auto-negotiation used ? */ - - pPrt = &pAC->GIni.GP[Port]; - - /* Check for No HCD Link events (#10523) */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &Isrc); - -#ifdef xDEBUG - if ((Isrc & ~(PHY_B_IS_HCT | PHY_B_IS_LCT) == - (PHY_B_IS_SCR_S_ER | PHY_B_IS_RRS_CHANGE | PHY_B_IS_LRS_CHANGE)) { - - SK_U32 Stat1, Stat2, Stat3; - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_MASK, &Stat1); - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "CheckUp1 - Stat: %x, Mask: %x", - (void *)Isrc, - (void *)Stat1); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &Stat2); - Stat1 = Stat1 << 16 | Stat2; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_ADV, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &Stat3); - Stat2 = Stat2 << 16 | Stat3; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "Ctrl/Stat: %x, AN Adv/LP: %x", - (void *)Stat1, - (void *)Stat2); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_EXP, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_EXT_STAT, &Stat2); - Stat1 = Stat1 << 16 | Stat2; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_CTRL, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &Stat3); - Stat2 = Stat2 << 16 | Stat3; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "AN Exp/IEEE Ext: %x, 1000T Ctrl/Stat: %x", - (void *)Stat1, - (void *)Stat2); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_CTRL, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_STAT, &Stat2); - Stat1 = Stat1 << 16 | Stat2; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_STAT, &Stat3); - Stat2 = Stat2 << 16 | Stat3; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "PHY Ext Ctrl/Stat: %x, Aux Ctrl/Stat: %x", - (void *)Stat1, - (void *)Stat2); - } -#endif /* DEBUG */ - - if ((Isrc & (PHY_B_IS_NO_HDCL /* | PHY_B_IS_NO_HDC */)) != 0) { - /* - * Workaround BCom Errata: - * enable and disable loopback mode if "NO HCD" occurs. - */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Ctrl); - SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_CTRL, - (SK_U16)(Ctrl | PHY_CT_LOOP)); - SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_CTRL, - (SK_U16)(Ctrl & ~PHY_CT_LOOP)); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("No HCD Link event, Port %d\n", Port)); -#ifdef xDEBUG - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "No HCD link event, port %d.", - (void *)Port, - (void *)NULL); -#endif /* DEBUG */ - } - - /* Not obsolete: link status bit is latched to 0 and autoclearing! */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); - - if (pPrt->PHWLinkUp) { - return(SK_HW_PS_NONE); - } - -#ifdef xDEBUG - { - SK_U32 Stat1, Stat2, Stat3; - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_MASK, &Stat1); - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "CheckUp1a - Stat: %x, Mask: %x", - (void *)Isrc, - (void *)Stat1); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); - Stat1 = Stat1 << 16 | PhyStat; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_ADV, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &Stat3); - Stat2 = Stat2 << 16 | Stat3; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "Ctrl/Stat: %x, AN Adv/LP: %x", - (void *)Stat1, - (void *)Stat2); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_EXP, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_EXT_STAT, &Stat2); - Stat1 = Stat1 << 16 | Stat2; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_CTRL, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ResAb); - Stat2 = Stat2 << 16 | ResAb; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "AN Exp/IEEE Ext: %x, 1000T Ctrl/Stat: %x", - (void *)Stat1, - (void *)Stat2); - - Stat1 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_CTRL, &Stat1); - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_STAT, &Stat2); - Stat1 = Stat1 << 16 | Stat2; - Stat2 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &Stat2); - Stat3 = 0; - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_STAT, &Stat3); - Stat2 = Stat2 << 16 | Stat3; - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "PHY Ext Ctrl/Stat: %x, Aux Ctrl/Stat: %x", - (void *)Stat1, - (void *)Stat2); - } -#endif /* DEBUG */ - - /* Now wait for each port's link */ - if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { - AutoNeg = SK_FALSE; - } - else { - AutoNeg = SK_TRUE; - } - - /* - * Here we usually can check whether the link is in sync and - * auto-negotiation is done. - */ - - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); - - SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg: %d, PhyStat: 0x%04x\n", AutoNeg, PhyStat)); - - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ResAb); - - if ((ResAb & PHY_B_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_HW_PS_RESTART); - } - - if ((PhyStat & PHY_ST_LSYNC) == 0) { - return(SK_HW_PS_NONE); - } - - pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? - SK_MS_STAT_MASTER : SK_MS_STAT_SLAVE; - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg: %d, PhyStat: 0x%04x\n", AutoNeg, PhyStat)); - - if (AutoNeg) { - if ((PhyStat & PHY_ST_AN_OVER) != 0) { - SkHWLinkUp(pAC, IoC, Port); - Done = SkMacAutoNegDone(pAC, IoC, Port); - if (Done != SK_AND_OK) { -#ifdef DEBUG - /* Get PHY parameters, for debugging only */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &LpAb); - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ExtStat); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg FAIL Port %d (LpAb %x, 1000TStat %x)\n", - Port, LpAb, ExtStat)); -#endif /* DEBUG */ - return(SK_HW_PS_RESTART); - } - else { -#ifdef xDEBUG - /* Dummy read ISR to prevent extra link downs/ups */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &ExtStat); - - if ((ExtStat & ~(PHY_B_IS_HCT | PHY_B_IS_LCT)) != 0) { - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "CheckUp2 - Stat: %x", - (void *)ExtStat, - (void *)NULL); - } -#endif /* DEBUG */ - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done Port %d\n", Port)); - return(SK_HW_PS_LINK); - } - } - } - else { /* !AutoNeg */ - /* Link is up and we don't need more. */ -#ifdef DEBUG - if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("ERROR: Lipa auto detected on port %d\n", Port)); - } -#endif /* DEBUG */ - -#ifdef xDEBUG - /* Dummy read ISR to prevent extra link downs/ups */ - SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &ExtStat); - - if ((ExtStat & ~(PHY_B_IS_HCT | PHY_B_IS_LCT)) != 0) { - CMSMPrintString( - pAC->pConfigTable, - MSG_TYPE_RUNTIME_INFO, - "CheckUp3 - Stat: %x", - (void *)ExtStat, - (void *)NULL); - } -#endif /* DEBUG */ - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link sync(GP), Port %d\n", Port)); - SkHWLinkUp(pAC, IoC, Port); - return(SK_HW_PS_LINK); - } - - return(SK_HW_PS_NONE); -} /* SkGePortCheckUpBcom */ - - -/****************************************************************************** - * - * SkGePortCheckUpGmac() - Check if the link is up on Marvell PHY - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUpGmac( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - int Done; - SK_U16 Isrc; /* Interrupt source */ - SK_U16 PhyStat; /* Phy Status */ - SK_U16 PhySpecStat;/* Phy Specific Status */ - SK_U16 ResAb; /* Master/Slave resolution */ - SK_BOOL AutoNeg; /* Is Auto-negotiation used ? */ - - pPrt = &pAC->GIni.GP[Port]; - - /* Read PHY Interrupt Status */ - SkGmPhyRead(pAC, IoC, Port, PHY_MARV_INT_STAT, &Isrc); - - if ((Isrc & PHY_M_IS_AN_COMPL) != 0) { - /* TBD */ - } - - if ((Isrc & PHY_M_IS_DOWNSH_DET) != 0) { - /* TBD */ - } - - if (pPrt->PHWLinkUp) { - return(SK_HW_PS_NONE); - } - - /* Now wait for each port's link */ - if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { - AutoNeg = SK_FALSE; - } - else { - AutoNeg = SK_TRUE; - } - - /* Read PHY Status */ - SkGmPhyRead(pAC, IoC, Port, PHY_MARV_STAT, &PhyStat); - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg: %d, PhyStat: 0x%04x\n", AutoNeg, PhyStat)); - - SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); - - SkGmPhyRead(pAC, IoC, Port, PHY_MARV_1000T_STAT, &ResAb); - - if ((ResAb & PHY_B_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_HW_PS_RESTART); - } - - /* Read PHY Specific Status */ - SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_STAT, &PhySpecStat); - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg: %d, PhySpecStat: 0x%04x\n", AutoNeg, PhySpecStat)); - - if ((PhySpecStat & PHY_M_PS_LINK_UP) == 0) { - return(SK_HW_PS_NONE); - } - - pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? - SK_MS_STAT_MASTER : SK_MS_STAT_SLAVE; - - pPrt->PCableLen = (SK_U8)((PhySpecStat & PHY_M_PS_CABLE_MSK) >> 7); - - if (AutoNeg) { - /* Auto-Negotiation Over ? */ - if ((PhyStat & PHY_ST_AN_OVER) != 0) { - - SkHWLinkUp(pAC, IoC, Port); - - Done = SkMacAutoNegDone(pAC, IoC, Port); - - if (Done != SK_AND_OK) { - return(SK_HW_PS_RESTART); - } - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done Port %d\n", Port)); - return(SK_HW_PS_LINK); - } - } - else { /* !AutoNeg */ - /* Link is up and we don't need more */ -#ifdef DEBUG - if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("ERROR: Lipa auto detected on port %d\n", Port)); - } -#endif /* DEBUG */ - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link sync, Port %d\n", Port)); - SkHWLinkUp(pAC, IoC, Port); - - return(SK_HW_PS_LINK); - } - - return(SK_HW_PS_NONE); -} /* SkGePortCheckUpGmac */ - - -#ifdef OTHER_PHY -/****************************************************************************** - * - * SkGePortCheckUpLone() - Check if the link is up on Level One PHY - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUpLone( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - int Done; - SK_U16 Isrc; /* Interrupt source register */ - SK_U16 LpAb; /* Link Partner Ability */ - SK_U16 ExtStat; /* Extended Status Register */ - SK_U16 PhyStat; /* Phy Status Register */ - SK_U16 StatSum; - SK_BOOL AutoNeg; /* Is Auto-negotiation used ? */ - SK_U8 NextMode; /* Next AutoSensing Mode */ - - pPrt = &pAC->GIni.GP[Port]; - - if (pPrt->PHWLinkUp) { - return(SK_HW_PS_NONE); - } - - StatSum = pPrt->PIsave; - pPrt->PIsave = 0; - - /* Now wait for each ports link */ - if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { - AutoNeg = SK_FALSE; - } - else { - AutoNeg = SK_TRUE; - } - - /* - * here we usually can check whether the link is in sync and - * auto-negotiation is done. - */ - SkXmPhyRead(pAC, IoC, Port, PHY_LONE_STAT, &PhyStat); - StatSum |= PhyStat; - - SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); - - if ((PhyStat & PHY_ST_LSYNC) == 0) { - /* Save Auto-negotiation Done bit */ - pPrt->PIsave = (SK_U16)(StatSum & PHY_ST_AN_OVER); -#ifdef DEBUG - if ((pPrt->PIsave & PHY_ST_AN_OVER) != 0) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done rescheduled Port %d\n", Port)); - } -#endif /* DEBUG */ - return(SK_HW_PS_NONE); - } - - if (AutoNeg) { - if ((StatSum & PHY_ST_AN_OVER) != 0) { - SkHWLinkUp(pAC, IoC, Port); - Done = SkMacAutoNegDone(pAC, IoC, Port); - if (Done != SK_AND_OK) { - /* Get PHY parameters, for debugging only */ - SkXmPhyRead(pAC, IoC, Port, PHY_LONE_AUNE_LP, &LpAb); - SkXmPhyRead(pAC, IoC, Port, PHY_LONE_1000T_STAT, &ExtStat); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg FAIL Port %d (LpAb %x, 1000TStat %x)\n", - Port, LpAb, ExtStat)); - - /* Try next possible mode */ - NextMode = SkHWSenseGetNext(pAC, IoC, Port); - SkHWLinkDown(pAC, IoC, Port); - if (Done == SK_AND_DUP_CAP) { - /* GoTo next mode */ - SkHWSenseSetNext(pAC, IoC, Port, NextMode); - } - - return(SK_HW_PS_RESTART); - - } - else { - /* - * Dummy Read interrupt status to prevent - * extra link down/ups - */ - SkXmPhyRead(pAC, IoC, Port, PHY_LONE_INT_STAT, &ExtStat); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("AutoNeg done Port %d\n", Port)); - return(SK_HW_PS_LINK); - } - } - - /* AutoNeg not done, but HW link is up. Check for timeouts */ - pPrt->PAutoNegTimeOut++; - if (pPrt->PAutoNegTimeOut >= SK_AND_MAX_TO) { - /* Timeout occured */ - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("AutoNeg timeout Port %d\n", Port)); - if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && - pPrt->PLipaAutoNeg != SK_LIPA_AUTO) { - /* Set Link manually up */ - SkHWSenseSetNext(pAC, IoC, Port, SK_LMODE_FULL); - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Set manual full duplex Port %d\n", Port)); - } - - /* Do the restart */ - return(SK_HW_PS_RESTART); - } - } - else { - /* Link is up and we don't need more */ -#ifdef DEBUG - if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, - ("ERROR: Lipa auto detected on port %d\n", Port)); - } -#endif /* DEBUG */ - - /* - * Dummy Read interrupt status to prevent - * extra link down/ups - */ - SkXmPhyRead(pAC, IoC, Port, PHY_LONE_INT_STAT, &ExtStat); - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, - ("Link sync(GP), Port %d\n", Port)); - SkHWLinkUp(pAC, IoC, Port); - return(SK_HW_PS_LINK); - } - - return(SK_HW_PS_NONE); -} /* SkGePortCheckUpLone */ - - -/****************************************************************************** - * - * SkGePortCheckUpNat() - Check if the link is up on National PHY - * - * return: - * 0 o.k. nothing needed - * 1 Restart needed on this port - * 2 Link came up - */ -static int SkGePortCheckUpNat( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int Port) /* Which port should be checked */ -{ - /* todo: National */ - return(SK_HW_PS_NONE); -} /* SkGePortCheckUpNat */ -#endif /* OTHER_PHY */ - - -/****************************************************************************** - * - * SkGeSirqEvent() - Event Service Routine - * - * Description: - * - * Notes: - */ -int SkGeSirqEvent( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* Io Context */ -SK_U32 Event, /* Module specific Event */ -SK_EVPARA Para) /* Event specific Parameter */ -{ - SK_U64 Octets; - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - SK_U32 Port; - SK_U32 Time; - unsigned Len; - int PortStat; - SK_U8 Val8; - - Port = Para.Para32[0]; - pPrt = &pAC->GIni.GP[Port]; - - switch (Event) { - case SK_HWEV_WATIM: - /* Check whether port came up */ - PortStat = SkGePortCheckUp(pAC, IoC, Port); - - switch (PortStat) { - case SK_HW_PS_RESTART: - if (pPrt->PHWLinkUp) { - /* - * Set Link to down. - */ - SkHWLinkDown(pAC, IoC, Port); - - /* - * Signal directly to RLMT to ensure correct - * sequence of SWITCH and RESET event. - */ - SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); - } - - /* Restart needed */ - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_RESET, Para); - break; - - case SK_HW_PS_LINK: - /* Signal to RLMT */ - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_UP, Para); - break; - - } - - /* Start again the check Timer */ - if (pPrt->PHWLinkUp) { - Time = SK_WA_ACT_TIME; - } - else { - Time = SK_WA_INA_TIME; - } - - /* Todo: still needed for non-XMAC PHYs??? */ - /* Start workaround Errata #2 timer */ - SkTimerStart(pAC, IoC, &pPrt->PWaTimer, Time, - SKGE_HWAC, SK_HWEV_WATIM, Para); - break; - - case SK_HWEV_PORT_START: - if (pPrt->PHWLinkUp) { - /* - * Signal directly to RLMT to ensure correct - * sequence of SWITCH and RESET event. - */ - SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); - } - - SkHWLinkDown(pAC, IoC, Port); - - /* Schedule Port RESET */ - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_RESET, Para); - - /* Start workaround Errata #2 timer */ - SkTimerStart(pAC, IoC, &pPrt->PWaTimer, SK_WA_INA_TIME, - SKGE_HWAC, SK_HWEV_WATIM, Para); - break; - - case SK_HWEV_PORT_STOP: - if (pPrt->PHWLinkUp) { - /* - * Signal directly to RLMT to ensure correct - * sequence of SWITCH and RESET event. - */ - SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); - } - - /* Stop Workaround Timer */ - SkTimerStop(pAC, IoC, &pPrt->PWaTimer); - - SkHWLinkDown(pAC, IoC, Port); - break; - - case SK_HWEV_UPDATE_STAT: - /* We do NOT need to update any statistics */ - break; - - case SK_HWEV_CLEAR_STAT: - /* We do NOT need to clear any statistics */ - for (Port = 0; Port < (SK_U32)pAC->GIni.GIMacsFound; Port++) { - pPrt->PPrevRx = 0; - pPrt->PPrevFcs = 0; - pPrt->PPrevShorts = 0; - } - break; - - case SK_HWEV_SET_LMODE: - Val8 = (SK_U8)Para.Para32[1]; - if (pPrt->PLinkModeConf != Val8) { - /* Set New link mode */ - pPrt->PLinkModeConf = Val8; - - /* Restart Port */ - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); - } - break; - - case SK_HWEV_SET_FLOWMODE: - Val8 = (SK_U8)Para.Para32[1]; - if (pPrt->PFlowCtrlMode != Val8) { - /* Set New Flow Control mode */ - pPrt->PFlowCtrlMode = Val8; - - /* Restart Port */ - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); - } - break; - - case SK_HWEV_SET_ROLE: - /* not possible for fiber */ - if (!pAC->GIni.GICopperType) { - break; - } - Val8 = (SK_U8)Para.Para32[1]; - if (pPrt->PMSMode != Val8) { - /* Set New link mode */ - pPrt->PMSMode = Val8; - - /* Restart Port */ - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); - } - break; - - case SK_HWEV_SET_SPEED: - if (pPrt->PhyType != SK_PHY_MARV_COPPER) { - break; - } - Val8 = (SK_U8)Para.Para32[1]; - if (pPrt->PLinkSpeed != Val8) { - /* Set New Speed parameter */ - pPrt->PLinkSpeed = Val8; - - /* Restart Port */ - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); - SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); - } - break; - - case SK_HWEV_HALFDUP_CHK: - /* - * half duplex hangup workaround. - * See packet arbiter timeout interrupt for description - */ - pPrt->HalfDupTimerActive = SK_FALSE; - if (pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || - pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) { - - Len = sizeof(SK_U64); - SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, - &Len, (SK_U32)SK_PNMI_PORT_PHYS2INST(pAC, Port), - pAC->Rlmt.Port[Port].Net->NetNumber); - - if (pPrt->LastOctets == Octets) { - /* Tx hanging, a FIFO flush restarts it */ - SkMacFlushTxFifo(pAC, IoC, Port); - } - } - break; - - default: - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_SIRQ_E001, SKERR_SIRQ_E001MSG); - break; - } - - return(0); -} /* SkGeSirqEvent */ - - -/****************************************************************************** - * - * SkPhyIsrBcom() - PHY interrupt service routine - * - * Description: handles all interrupts from BCom PHY - * - * Returns: N/A - */ -static void SkPhyIsrBcom( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* Io Context */ -int Port, /* Port Num = PHY Num */ -SK_U16 IStatus) /* Interrupt Status */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - SK_EVPARA Para; - - pPrt = &pAC->GIni.GP[Port]; - - if ((IStatus & PHY_B_IS_PSE) != 0) { - /* Incorrectable pair swap error */ - SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E022, - SKERR_SIRQ_E022MSG); - } - - if ((IStatus & (PHY_B_IS_AN_PR | PHY_B_IS_LST_CHANGE)) != 0) { - Para.Para32[0] = (SK_U32)Port; - - SkHWLinkDown(pAC, IoC, Port); - - /* Signal to RLMT */ - 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); - } - -} /* SkPhyIsrBcom */ - - -/****************************************************************************** - * - * SkPhyIsrGmac() - PHY interrupt service routine - * - * Description: handles all interrupts from Marvell PHY - * - * Returns: N/A - */ -static void SkPhyIsrGmac( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* Io Context */ -int Port, /* Port Num = PHY Num */ -SK_U16 IStatus) /* Interrupt Status */ -{ - SK_GEPORT *pPrt; /* GIni Port struct pointer */ - SK_EVPARA Para; - - pPrt = &pAC->GIni.GP[Port]; - - if ((IStatus & (PHY_M_IS_AN_PR | PHY_M_IS_LST_CHANGE)) != 0) { - Para.Para32[0] = (SK_U32)Port; - - SkHWLinkDown(pAC, IoC, Port); - - /* Signal to RLMT */ - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - - if ((IStatus & PHY_M_IS_AN_ERROR) != 0) { - /* Auto-Negotiation Error */ - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E023, SKERR_SIRQ_E023MSG); - } - - if ((IStatus & PHY_M_IS_LSP_CHANGE) != 0) { - /* TBD */ - } - - if ((IStatus & PHY_M_IS_FIFO_ERROR) != 0) { - /* FIFO Overflow/Underrun Error */ - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E024, SKERR_SIRQ_E024MSG); - } -} /* SkPhyIsrGmac */ - - -#ifdef OTHER_PHY -/****************************************************************************** - * - * SkPhyIsrLone() - PHY interrupt service routine - * - * Description: handles all interrupts from LONE PHY - * - * Returns: N/A - */ -static void SkPhyIsrLone( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* Io Context */ -int Port, /* Port Num = PHY Num */ -SK_U16 IStatus) /* Interrupt Status */ -{ - SK_EVPARA Para; - - if (IStatus & (PHY_L_IS_DUP | PHY_L_IS_ISOL)) { - SkHWLinkDown(pAC, IoC, Port); - - /* Signal to RLMT */ - Para.Para32[0] = (SK_U32)Port; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); - } - -} /* SkPhyIsrLone */ -#endif /* OTHER_PHY */ - -/* End of File */ |