diff options
Diffstat (limited to 'drivers/net/sk98lin/skgeinit.c')
| -rw-r--r-- | drivers/net/sk98lin/skgeinit.c | 2367 |
1 files changed, 0 insertions, 2367 deletions
diff --git a/drivers/net/sk98lin/skgeinit.c b/drivers/net/sk98lin/skgeinit.c deleted file mode 100644 index df63f27..0000000 --- a/drivers/net/sk98lin/skgeinit.c +++ /dev/null @@ -1,2367 +0,0 @@ -/****************************************************************************** - * - * Name: skgeinit.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.85 $ - * Date: $Date: 2003/02/05 15:30:33 $ - * Purpose: Contains functions to initialize the GE HW - * - ******************************************************************************/ - -/****************************************************************************** - * - * (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: skgeinit.c,v $ - * Revision 1.85 2003/02/05 15:30:33 rschmidt - * Corrected setting of GIHstClkFact (Host Clock Factor) and - * GIPollTimerVal (Descr. Poll Timer Init Value) for YUKON. - * Editorial changes. - * - * Revision 1.84 2003/01/28 09:57:25 rschmidt - * Added detection of YUKON-Lite Rev. A0 (stored in GIYukonLite). - * Disabled Rx GMAC FIFO Flush for YUKON-Lite Rev. A0. - * Added support for CLK_RUN (YUKON-Lite). - * Added additional check of PME from D3cold for setting GIVauxAvail. - * Editorial changes. - * - * Revision 1.83 2002/12/17 16:15:41 rschmidt - * Added default setting of PhyType (Copper) for YUKON. - * Added define around check for HW self test results. - * Editorial changes. - * - * Revision 1.82 2002/12/05 13:40:21 rschmidt - * Added setting of Rx GMAC FIFO Flush Mask register. - * Corrected PhyType with new define SK_PHY_MARV_FIBER when - * YUKON Fiber board was found. - * Editorial changes. - * - * Revision 1.81 2002/11/15 12:48:35 rschmidt - * Replaced message SKERR_HWI_E018 with SKERR_HWI_E024 for Rx queue error - * in SkGeStopPort(). - * Added init for pAC->GIni.GIGenesis with SK_FALSE in YUKON-branch. - * Editorial changes. - * - * Revision 1.80 2002/11/12 17:28:30 rschmidt - * Initialized GIPciSlot64 and GIPciClock66 in SkGeInit1(). - * Reduced PCI FIFO watermarks for 32bit/33MHz bus in SkGeInitBmu(). - * Editorial changes. - * - * Revision 1.79 2002/10/21 09:31:02 mkarl - * Changed SkGeInitAssignRamToQueues(), removed call to - * SkGeInitAssignRamToQueues in SkGeInit1 and fixed compiler warning in - * SkGeInit1. - * - * Revision 1.78 2002/10/16 15:55:07 mkarl - * Fixed a bug in SkGeInitAssignRamToQueues. - * - * Revision 1.77 2002/10/14 15:07:22 rschmidt - * Corrected timeout handling for Rx queue in SkGeStopPort() (#10748) - * Editorial changes. - * - * Revision 1.76 2002/10/11 09:24:38 mkarl - * Added check for HW self test results. - * - * Revision 1.75 2002/10/09 16:56:44 mkarl - * Now call SkGeInitAssignRamToQueues() in Init Level 1 in order to assign - * the adapter memory to the queues. This default assignment is not suitable - * for dual net mode. - * - * Revision 1.74 2002/09/12 08:45:06 rwahl - * Set defaults for PMSCap, PLinkSpeed & PLinkSpeedCap dependent on PHY. - * - * Revision 1.73 2002/08/16 15:19:45 rschmidt - * Corrected check for Tx queues in SkGeCheckQSize(). - * Added init for new entry GIGenesis and GICopperType - * Replaced all if(GIChipId == CHIP_ID_GENESIS) with new entry GIGenesis. - * Replaced wrong 1st para pAC with IoC in SK_IN/OUT macros. - * - * Revision 1.72 2002/08/12 13:38:55 rschmidt - * Added check if VAUX is available (stored in GIVauxAvail) - * Initialized PLinkSpeedCap in Port struct with SK_LSPEED_CAP_1000MBPS - * Editorial changes. - * - * Revision 1.71 2002/08/08 16:32:58 rschmidt - * Added check for Tx queues in SkGeCheckQSize(). - * Added start of Time Stamp Timer (YUKON) in SkGeInit2(). - * Editorial changes. - * - * Revision 1.70 2002/07/23 16:04:26 rschmidt - * Added init for GIWolOffs (HW-Bug in YUKON 1st rev.) - * Minor changes - * - * Revision 1.69 2002/07/17 17:07:08 rwahl - * - SkGeInit1(): fixed PHY type debug output; corrected init of GIFunc - * table & GIMacType. - * - Editorial changes. - * - * Revision 1.68 2002/07/15 18:38:31 rwahl - * Added initialization for MAC type dependent function table. - * - * Revision 1.67 2002/07/15 15:45:39 rschmidt - * Added Tx Store & Forward for YUKON (GMAC Tx FIFO is only 1 kB) - * Replaced SK_PHY_MARV by SK_PHY_MARV_COPPER - * Editorial changes - * - * Revision 1.66 2002/06/10 09:35:08 rschmidt - * Replaced C++ comments (//) - * Editorial changes - * - * Revision 1.65 2002/06/05 08:33:37 rschmidt - * Changed GIRamSize and Reset sequence for YUKON. - * SkMacInit() replaced by SkXmInitMac() resp. SkGmInitMac() - * - * Revision 1.64 2002/04/25 13:03:20 rschmidt - * Changes for handling YUKON. - * Removed reference to xmac_ii.h (not necessary). - * Moved all defines into header file. - * Replaced all SkXm...() functions with SkMac...() to handle also - * YUKON's GMAC. - * Added handling for GMAC FIFO in SkGeInitMacFifo(), SkGeStopPort(). - * Removed 'goto'-directive from SkGeCfgSync(), SkGeCheckQSize(). - * Replaced all XMAC-access macros by functions: SkMacRxTxDisable(), - * SkMacFlushTxFifo(). - * Optimized timeout handling in SkGeStopPort(). - * Initialized PLinkSpeed in Port struct with SK_LSPEED_AUTO. - * Release of GMAC Link Control reset in SkGeInit1(). - * Initialized GIChipId and GIChipRev in GE Init structure. - * Added GIRamSize and PhyType values for YUKON. - * Removed use of PRxCmd to setup XMAC. - * Moved setting of XM_RX_DIS_CEXT to SkXmInitMac(). - * Use of SkGeXmitLED() only for GENESIS. - * Changes for V-CPU support. - * Editorial changes. - * - * Revision 1.63 2001/04/05 11:02:09 rassmann - * Stop Port check of the STOP bit did not take 2/18 sec as wanted. - * - * Revision 1.62 2001/02/07 07:54:21 rassmann - * Corrected copyright. - * - * Revision 1.61 2001/01/31 15:31:40 gklug - * fix: problem with autosensing an SR8800 switch - * - * Revision 1.60 2000/10/18 12:22:21 cgoos - * Added workaround for half duplex hangup. - * - * Revision 1.59 2000/10/10 11:22:06 gklug - * add: in manual half duplex mode ignore carrier extension errors - * - * Revision 1.58 2000/10/02 14:10:27 rassmann - * Reading BCOM PHY after releasing reset until it returns a valid value. - * - * Revision 1.57 2000/08/03 14:55:28 rassmann - * Waiting for I2C to be ready before de-initializing adapter - * (prevents sensors from hanging up). - * - * Revision 1.56 2000/07/27 12:16:48 gklug - * fix: Stop Port check of the STOP bit does now take 2/18 sec as wanted - * - * Revision 1.55 1999/11/22 13:32:26 cgoos - * Changed license header to GPL. - * - * Revision 1.54 1999/10/26 07:32:54 malthoff - * Initialize PHWLinkUp with SK_FALSE. Required for Diagnostics. - * - * Revision 1.53 1999/08/12 19:13:50 malthoff - * Fix for 1000BT. Do not owerwrite XM_MMU_CMD when - * disabling receiver and transmitter. Other bits - * may be lost. - * - * Revision 1.52 1999/07/01 09:29:54 gklug - * fix: DoInitRamQueue needs pAC - * - * Revision 1.51 1999/07/01 08:42:21 gklug - * chg: use Store & forward for RAM buffer when Jumbos are used - * - * Revision 1.50 1999/05/27 13:19:38 cgoos - * Added Tx PCI watermark initialization. - * Removed Tx RAM queue Store & Forward setting. - * - * Revision 1.49 1999/05/20 14:32:45 malthoff - * SkGeLinkLED() is completly removed now. - * - * Revision 1.48 1999/05/19 07:28:24 cgoos - * SkGeLinkLED no more available for drivers. - * Changes for 1000Base-T. - * - * Revision 1.47 1999/04/08 13:57:45 gklug - * add: Init of new port struct fiels PLinkResCt - * chg: StopPort Timer check - * - * Revision 1.46 1999/03/25 07:42:15 malthoff - * SkGeStopPort(): Add workaround for cache incoherency. - * Create error log entry, disable port, and - * exit loop if it does not terminate. - * Add XM_RX_LENERR_OK to the default value for the - * XMAC receive command register. - * - * Revision 1.45 1999/03/12 16:24:47 malthoff - * Remove PPollRxD and PPollTxD. - * Add check for GIPollTimerVal. - * - * Revision 1.44 1999/03/12 13:40:23 malthoff - * Fix: SkGeXmitLED(), SK_LED_TST mode does not work. - * Add: Jumbo frame support. - * Chg: Resolution of parameter IntTime in SkGeCfgSync(). - * - * Revision 1.43 1999/02/09 10:29:46 malthoff - * Bugfix: The previous modification again also for the second location. - * - * Revision 1.42 1999/02/09 09:35:16 malthoff - * Bugfix: The bits '66 MHz Capable' and 'NEWCAP are reset while - * clearing the error bits in the PCI status register. - * - * Revision 1.41 1999/01/18 13:07:02 malthoff - * Bugfix: Do not use CFG cycles after during Init- or Runtime, because - * they may not be available after Boottime. - * - * Revision 1.40 1999/01/11 12:40:49 malthoff - * Bug fix: PCI_STATUS: clearing error bits sets the UDF bit. - * - * Revision 1.39 1998/12/11 15:17:33 gklug - * chg: Init LipaAutoNeg with Unknown - * - * Revision 1.38 1998/12/10 11:02:57 malthoff - * Disable Error Log Message when calling SkGeInit(level 2) - * more than once. - * - * Revision 1.37 1998/12/07 12:18:25 gklug - * add: refinement of autosense mode: take into account the autoneg cap of LiPa - * - * Revision 1.36 1998/12/07 07:10:39 gklug - * fix: init values of LinkBroken/ Capabilities for management - * - * Revision 1.35 1998/12/02 10:56:20 gklug - * fix: do NOT init LoinkSync Counter. - * - * Revision 1.34 1998/12/01 10:53:21 gklug - * add: init of additional Counters for workaround - * - * Revision 1.33 1998/12/01 10:00:49 gklug - * add: init PIsave var in Port struct - * - * Revision 1.32 1998/11/26 14:50:40 gklug - * chg: Default is autosensing with AUTOFULL mode - * - * Revision 1.31 1998/11/25 15:36:16 gklug - * fix: do NOT stop LED Timer when port should be stopped - * - * Revision 1.30 1998/11/24 13:15:28 gklug - * add: Init PCkeckPar struct member - * - * Revision 1.29 1998/11/18 13:19:27 malthoff - * Disable packet arbiter timeouts on receive side. - * Use maximum timeout value for packet arbiter - * transmit timeouts. - * Add TestStopBit() function to handle stop RX/TX - * problem with active descriptor poll timers. - * Bug Fix: Descriptor Poll Timer not started, because - * GIPollTimerVal was initialized with 0. - * - * Revision 1.28 1998/11/13 14:24:26 malthoff - * Bug Fix: SkGeStopPort() may hang if a Packet Arbiter Timout - * is pending or occurs while waiting for TX_STOP and RX_STOP. - * The PA timeout is cleared now while waiting for TX- or RX_STOP. - * - * Revision 1.27 1998/11/02 11:04:36 malthoff - * fix the last fix - * - * Revision 1.26 1998/11/02 10:37:03 malthoff - * Fix: SkGePollTxD() enables always the synchronounous poll timer. - * - * Revision 1.25 1998/10/28 07:12:43 cgoos - * Fixed "LED_STOP" in SkGeLnkSyncCnt, "== SK_INIT_IO" in SkGeInit. - * Removed: Reset of RAM Interface in SkGeStopPort. - * - * Revision 1.24 1998/10/27 08:13:12 malthoff - * Remove temporary code. - * - * Revision 1.23 1998/10/26 07:45:03 malthoff - * Add Address Calculation Workaround: If the EPROM byte - * Id is 3, the address offset is 512 kB. - * Initialize default values for PLinkMode and PFlowCtrlMode. - * - * Revision 1.22 1998/10/22 09:46:47 gklug - * fix SysKonnectFileId typo - * - * Revision 1.21 1998/10/20 12:11:56 malthoff - * Don't dendy the Queue config if the size of the unused - * Rx qeueu is zero. - * - * Revision 1.20 1998/10/19 07:27:58 malthoff - * SkGeInitRamIface() is public to be called by diagnostics. - * - * Revision 1.19 1998/10/16 13:33:45 malthoff - * Fix: enabling descriptor polling is not allowed until - * the descriptor addresses are set. Descriptor polling - * must be handled by the driver. - * - * Revision 1.18 1998/10/16 10:58:27 malthoff - * Remove temp. code for Diag prototype. - * Remove lint warning for dummy reads. - * Call SkGeLoadLnkSyncCnt() during SkGeInitPort(). - * - * Revision 1.17 1998/10/14 09:16:06 malthoff - * Change parameter LimCount and programming of - * the limit counter in SkGeCfgSync(). - * - * Revision 1.16 1998/10/13 09:21:16 malthoff - * Don't set XM_RX_SELF_RX in RxCmd Reg, because it's - * like a Loopback Mode in half duplex. - * - * Revision 1.15 1998/10/09 06:47:40 malthoff - * SkGeInitMacArb(): set recovery counters init value - * to zero although this counters are not uesd. - * Bug fix in Rx Upper/Lower Pause Threshold calculation. - * Add XM_RX_SELF_RX to RxCmd. - * - * Revision 1.14 1998/10/06 15:15:53 malthoff - * Make sure no pending IRQ is cleared in SkGeLoadLnkSyncCnt(). - * - * Revision 1.13 1998/10/06 14:09:36 malthoff - * Add SkGeLoadLnkSyncCnt(). Modify - * the 'port stopped' condition according - * to the current problem report. - * - * Revision 1.12 1998/10/05 08:17:21 malthoff - * Add functions: SkGePollRxD(), SkGePollTxD(), - * DoCalcAddr(), SkGeCheckQSize(), - * DoInitRamQueue(), and SkGeCfgSync(). - * Add coding for SkGeInitMacArb(), SkGeInitPktArb(), - * SkGeInitMacFifo(), SkGeInitRamBufs(), - * SkGeInitRamIface(), and SkGeInitBmu(). - * - * Revision 1.11 1998/09/29 08:26:29 malthoff - * bug fix: SkGeInit0() 'i' should be increment. - * - * Revision 1.10 1998/09/28 13:19:01 malthoff - * Coding time: Save the done work. - * Modify SkGeLinkLED(), add SkGeXmitLED(), - * define SkGeCheckQSize(), SkGeInitMacArb(), - * SkGeInitPktArb(), SkGeInitMacFifo(), - * SkGeInitRamBufs(), SkGeInitRamIface(), - * and SkGeInitBmu(). Do coding for SkGeStopPort(), - * SkGeInit1(), SkGeInit2(), and SkGeInit3(). - * Do coding for SkGeDinit() and SkGeInitPort(). - * - * Revision 1.9 1998/09/16 14:29:05 malthoff - * Some minor changes. - * - * Revision 1.8 1998/09/11 05:29:14 gklug - * add: init state of a port - * - * Revision 1.7 1998/09/04 09:26:25 malthoff - * Short temporary modification. - * - * Revision 1.6 1998/09/04 08:27:59 malthoff - * Remark the do-while in StopPort() because it never ends - * without a GE adapter. - * - * Revision 1.5 1998/09/03 14:05:45 malthoff - * Change comment for SkGeInitPort(). Do not - * repair the queue sizes if invalid. - * - * Revision 1.4 1998/09/03 10:03:19 malthoff - * Implement the new interface according to the - * reviewed interface specification. - * - * Revision 1.3 1998/08/19 09:11:25 gklug - * fix: struct are removed from c-source (see CCC) - * - * Revision 1.2 1998/07/28 12:33:58 malthoff - * Add 'IoC' parameter in function declaration and SK IO macros. - * - * Revision 1.1 1998/07/23 09:48:57 malthoff - * Creation. First dummy 'C' file. - * SkGeInit(Level 0) is card_start for GE. - * SkGeDeInit() is card_stop for GE. - * - * - ******************************************************************************/ - -#include <config.h> - -#include "h/skdrv1st.h" -#include "h/skdrv2nd.h" - -/* global variables ***********************************************************/ - -/* local variables ************************************************************/ - -static const char SysKonnectFileId[] = - "@(#)$Id: skgeinit.c,v 1.85 2003/02/05 15:30:33 rschmidt Exp $ (C) SK "; - -struct s_QOffTab { - int RxQOff; /* Receive Queue Address Offset */ - int XsQOff; /* Sync Tx Queue Address Offset */ - int XaQOff; /* Async Tx Queue Address Offset */ -}; -static struct s_QOffTab QOffTab[] = { - {Q_R1, Q_XS1, Q_XA1}, {Q_R2, Q_XS2, Q_XA2} -}; - - -/****************************************************************************** - * - * SkGePollRxD() - Enable / Disable Descriptor Polling of RxD Ring - * - * Description: - * Enable or disable the descriptor polling of the receive descriptor - * ring (RxD) for port 'Port'. - * The new configuration is *not* saved over any SkGeStopPort() and - * SkGeInitPort() calls. - * - * Returns: - * nothing - */ -void SkGePollRxD( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port, /* Port Index (MAC_1 + n) */ -SK_BOOL PollRxD) /* SK_TRUE (enable pol.), SK_FALSE (disable pol.) */ -{ - SK_GEPORT *pPrt; - - pPrt = &pAC->GIni.GP[Port]; - - SK_OUT32(IoC, Q_ADDR(pPrt->PRxQOff, Q_CSR), (PollRxD) ? - CSR_ENA_POL : CSR_DIS_POL); -} /* SkGePollRxD */ - - -/****************************************************************************** - * - * SkGePollTxD() - Enable / Disable Descriptor Polling of TxD Rings - * - * Description: - * Enable or disable the descriptor polling of the transmit descriptor - * ring(s) (TxD) for port 'Port'. - * The new configuration is *not* saved over any SkGeStopPort() and - * SkGeInitPort() calls. - * - * Returns: - * nothing - */ -void SkGePollTxD( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port, /* Port Index (MAC_1 + n) */ -SK_BOOL PollTxD) /* SK_TRUE (enable pol.), SK_FALSE (disable pol.) */ -{ - SK_GEPORT *pPrt; - SK_U32 DWord; - - pPrt = &pAC->GIni.GP[Port]; - - DWord = (PollTxD) ? CSR_ENA_POL : CSR_DIS_POL; - - if (pPrt->PXSQSize != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_CSR), DWord); - } - - if (pPrt->PXAQSize != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_CSR), DWord); - } -} /* SkGePollTxD */ - - -/****************************************************************************** - * - * SkGeYellowLED() - Switch the yellow LED on or off. - * - * Description: - * Switch the yellow LED on or off. - * - * Note: - * This function may be called any time after SkGeInit(Level 1). - * - * Returns: - * nothing - */ -void SkGeYellowLED( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int State) /* yellow LED state, 0 = OFF, 0 != ON */ -{ - if (State == 0) { - /* Switch yellow LED OFF */ - SK_OUT8(IoC, B0_LED, LED_STAT_OFF); - } - else { - /* Switch yellow LED ON */ - SK_OUT8(IoC, B0_LED, LED_STAT_ON); - } -} /* SkGeYellowLED */ - - -/****************************************************************************** - * - * SkGeXmitLED() - Modify the Operational Mode of a transmission LED. - * - * Description: - * The Rx or Tx LED which is specified by 'Led' will be - * enabled, disabled or switched on in test mode. - * - * Note: - * 'Led' must contain the address offset of the LEDs INI register. - * - * Usage: - * SkGeXmitLED(pAC, IoC, MR_ADDR(Port, TX_LED_INI), SK_LED_ENA); - * - * Returns: - * nothing - */ -void SkGeXmitLED( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Led, /* offset to the LED Init Value register */ -int Mode) /* Mode may be SK_LED_DIS, SK_LED_ENA, SK_LED_TST */ -{ - SK_U32 LedIni; - - switch (Mode) { - case SK_LED_ENA: - LedIni = SK_XMIT_DUR * (SK_U32)pAC->GIni.GIHstClkFact / 100; - SK_OUT32(IoC, Led + XMIT_LED_INI, LedIni); - SK_OUT8(IoC, Led + XMIT_LED_CTRL, LED_START); - break; - case SK_LED_TST: - SK_OUT8(IoC, Led + XMIT_LED_TST, LED_T_ON); - SK_OUT32(IoC, Led + XMIT_LED_CNT, 100); - SK_OUT8(IoC, Led + XMIT_LED_CTRL, LED_START); - break; - case SK_LED_DIS: - default: - /* - * Do NOT stop the LED Timer here. The LED might be - * in on state. But it needs to go off. - */ - SK_OUT32(IoC, Led + XMIT_LED_CNT, 0); - SK_OUT8(IoC, Led + XMIT_LED_TST, LED_T_OFF); - break; - } - - /* - * 1000BT: The Transmit LED is driven by the PHY. - * But the default LED configuration is used for - * Level One and Broadcom PHYs. - * (Broadcom: It may be that PHY_B_PEC_EN_LTR has to be set.) - * (In this case it has to be added here. But we will see. XXX) - */ -} /* SkGeXmitLED */ - - -/****************************************************************************** - * - * DoCalcAddr() - Calculates the start and the end address of a queue. - * - * Description: - * This function calculates the start and the end address of a queue. - * Afterwards the 'StartVal' is incremented to the next start position. - * If the port is already initialized the calculated values - * will be checked against the configured values and an - * error will be returned, if they are not equal. - * If the port is not initialized the values will be written to - * *StartAdr and *EndAddr. - * - * Returns: - * 0: success - * 1: configuration error - */ -static int DoCalcAddr( -SK_AC *pAC, /* adapter context */ -SK_GEPORT *pPrt, /* port index */ -int QuSize, /* size of the queue to configure in kB */ -SK_U32 *StartVal, /* start value for address calculation */ -SK_U32 *QuStartAddr, /* start addr to calculate */ -SK_U32 *QuEndAddr) /* end address to calculate */ -{ - SK_U32 EndVal; - SK_U32 NextStart; - int Rtv; - - Rtv = 0; - if (QuSize == 0) { - EndVal = *StartVal; - NextStart = EndVal; - } - else { - EndVal = *StartVal + ((SK_U32)QuSize * 1024) - 1; - NextStart = EndVal + 1; - } - - if (pPrt->PState >= SK_PRT_INIT) { - if (*StartVal != *QuStartAddr || EndVal != *QuEndAddr) { - Rtv = 1; - } - } - else { - *QuStartAddr = *StartVal; - *QuEndAddr = EndVal; - } - - *StartVal = NextStart; - return(Rtv); -} /* DoCalcAddr */ - -/****************************************************************************** - * - * SkGeInitAssignRamToQueues() - allocate default queue sizes - * - * Description: - * This function assigns the memory to the different queues and ports. - * When DualNet is set to SK_TRUE all ports get the same amount of memory. - * Otherwise the first port gets most of the memory and all the - * other ports just the required minimum. - * This function can only be called when pAC->GIni.GIRamSize and - * pAC->GIni.GIMacsFound have been initialized, usually this happens - * at init level 1 - * - * Returns: - * 0 - ok - * 1 - invalid input values - * 2 - not enough memory - */ - -int SkGeInitAssignRamToQueues( -SK_AC *pAC, /* Adapter context */ -int ActivePort, /* Active Port in RLMT mode */ -SK_BOOL DualNet) /* adapter context */ -{ - int i; - int UsedKilobytes; /* memory already assigned */ - int ActivePortKilobytes; /* memory available for active port */ - SK_GEPORT *pGePort; - - UsedKilobytes = 0; - - if (ActivePort >= pAC->GIni.GIMacsFound) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_INIT, - ("SkGeInitAssignRamToQueues: ActivePort (%d) invalid\n", - ActivePort)); - return(1); - } - if (((pAC->GIni.GIMacsFound * (SK_MIN_RXQ_SIZE + SK_MIN_TXQ_SIZE)) + - ((RAM_QUOTA_SYNC == 0) ? 0 : SK_MIN_TXQ_SIZE)) > pAC->GIni.GIRamSize) { - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_INIT, - ("SkGeInitAssignRamToQueues: Not enough memory (%d)\n", - pAC->GIni.GIRamSize)); - return(2); - } - - - if (DualNet) { - /* every port gets the same amount of memory */ - ActivePortKilobytes = pAC->GIni.GIRamSize / pAC->GIni.GIMacsFound; - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - - pGePort = &pAC->GIni.GP[i]; - - /* take away the minimum memory for active queues */ - ActivePortKilobytes -= (SK_MIN_RXQ_SIZE + SK_MIN_TXQ_SIZE); - - /* receive queue gets the minimum + 80% of the rest */ - pGePort->PRxQSize = (int) (ROUND_QUEUE_SIZE_KB(( - ActivePortKilobytes * (unsigned long) RAM_QUOTA_RX) / 100)) - + SK_MIN_RXQ_SIZE; - - ActivePortKilobytes -= (pGePort->PRxQSize - SK_MIN_RXQ_SIZE); - - /* synchronous transmit queue */ - pGePort->PXSQSize = 0; - - /* asynchronous transmit queue */ - pGePort->PXAQSize = (int) ROUND_QUEUE_SIZE_KB(ActivePortKilobytes + - SK_MIN_TXQ_SIZE); - } - } - else { - /* Rlmt Mode or single link adapter */ - - /* Set standby queue size defaults for all standby ports */ - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - - if (i != ActivePort) { - pGePort = &pAC->GIni.GP[i]; - - pGePort->PRxQSize = SK_MIN_RXQ_SIZE; - pGePort->PXAQSize = SK_MIN_TXQ_SIZE; - pGePort->PXSQSize = 0; - - /* Count used RAM */ - UsedKilobytes += pGePort->PRxQSize + pGePort->PXAQSize; - } - } - /* what's left? */ - ActivePortKilobytes = pAC->GIni.GIRamSize - UsedKilobytes; - - /* assign it to the active port */ - /* first take away the minimum memory */ - ActivePortKilobytes -= (SK_MIN_RXQ_SIZE + SK_MIN_TXQ_SIZE); - pGePort = &pAC->GIni.GP[ActivePort]; - - /* receive queue get's the minimum + 80% of the rest */ - pGePort->PRxQSize = (int) (ROUND_QUEUE_SIZE_KB((ActivePortKilobytes * - (unsigned long) RAM_QUOTA_RX) / 100)) + SK_MIN_RXQ_SIZE; - - ActivePortKilobytes -= (pGePort->PRxQSize - SK_MIN_RXQ_SIZE); - - /* synchronous transmit queue */ - pGePort->PXSQSize = 0; - - /* asynchronous transmit queue */ - pGePort->PXAQSize = (int) ROUND_QUEUE_SIZE_KB(ActivePortKilobytes) + - SK_MIN_TXQ_SIZE; - } -#ifdef VCPU - VCPUprintf(0, "PRxQSize=%u, PXSQSize=%u, PXAQSize=%u\n", - pGePort->PRxQSize, pGePort->PXSQSize, pGePort->PXAQSize); -#endif /* VCPU */ - - return(0); -} /* SkGeInitAssignRamToQueues */ - -/****************************************************************************** - * - * SkGeCheckQSize() - Checks the Adapters Queue Size Configuration - * - * Description: - * This function verifies the Queue Size Configuration specified - * in the variables PRxQSize, PXSQSize, and PXAQSize of all - * used ports. - * This requirements must be fullfilled to have a valid configuration: - * - The size of all queues must not exceed GIRamSize. - * - The queue sizes must be specified in units of 8 kB. - * - The size of Rx queues of available ports must not be - * smaller than 16 kB. - * - The size of at least one Tx queue (synch. or asynch.) - * of available ports must not be smaller than 16 kB - * when Jumbo Frames are used. - * - The RAM start and end addresses must not be changed - * for ports which are already initialized. - * Furthermore SkGeCheckQSize() defines the Start and End Addresses - * of all ports and stores them into the HWAC port structure. - * - * Returns: - * 0: Queue Size Configuration valid - * 1: Queue Size Configuration invalid - */ -static int SkGeCheckQSize( -SK_AC *pAC, /* adapter context */ -int Port) /* port index */ -{ - SK_GEPORT *pPrt; - int UsedMem; /* total memory used (max. found ports) */ - int i; - int Rtv; - int Rtv2; - SK_U32 StartAddr; - - UsedMem = 0; - Rtv = 0; - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - pPrt = &pAC->GIni.GP[i]; - - if ((pPrt->PRxQSize & QZ_UNITS) != 0 || - (pPrt->PXSQSize & QZ_UNITS) != 0 || - (pPrt->PXAQSize & QZ_UNITS) != 0) { - - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E012, SKERR_HWI_E012MSG); - return(1); - } - - if (i == Port && pPrt->PRxQSize < SK_MIN_RXQ_SIZE) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E011, SKERR_HWI_E011MSG); - return(1); - } - - /* - * the size of at least one Tx queue (synch. or asynch.) has to be > 0. - * if Jumbo Frames are used, this size has to be >= 16 kB. - */ - if ((i == Port && pPrt->PXSQSize == 0 && pPrt->PXAQSize == 0) || - (pAC->GIni.GIPortUsage == SK_JUMBO_LINK && - ((pPrt->PXSQSize > 0 && pPrt->PXSQSize < SK_MIN_TXQ_SIZE) || - (pPrt->PXAQSize > 0 && pPrt->PXAQSize < SK_MIN_TXQ_SIZE)))) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E023, SKERR_HWI_E023MSG); - return(1); - } - - UsedMem += pPrt->PRxQSize + pPrt->PXSQSize + pPrt->PXAQSize; - } - - if (UsedMem > pAC->GIni.GIRamSize) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E012, SKERR_HWI_E012MSG); - return(1); - } - - /* Now start address calculation */ - StartAddr = pAC->GIni.GIRamOffs; - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - pPrt = &pAC->GIni.GP[i]; - - /* Calculate/Check values for the receive queue */ - Rtv2 = DoCalcAddr(pAC, pPrt, pPrt->PRxQSize, &StartAddr, - &pPrt->PRxQRamStart, &pPrt->PRxQRamEnd); - Rtv |= Rtv2; - - /* Calculate/Check values for the synchronous Tx queue */ - Rtv2 = DoCalcAddr(pAC, pPrt, pPrt->PXSQSize, &StartAddr, - &pPrt->PXsQRamStart, &pPrt->PXsQRamEnd); - Rtv |= Rtv2; - - /* Calculate/Check values for the asynchronous Tx queue */ - Rtv2 = DoCalcAddr(pAC, pPrt, pPrt->PXAQSize, &StartAddr, - &pPrt->PXaQRamStart, &pPrt->PXaQRamEnd); - Rtv |= Rtv2; - - if (Rtv) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E013, SKERR_HWI_E013MSG); - return(1); - } - } - - return(0); -} /* SkGeCheckQSize */ - - -/****************************************************************************** - * - * SkGeInitMacArb() - Initialize the MAC Arbiter - * - * Description: - * This function initializes the MAC Arbiter. - * It must not be called if there is still an - * initialized or active port. - * - * Returns: - * nothing - */ -static void SkGeInitMacArb( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - /* release local reset */ - SK_OUT16(IoC, B3_MA_TO_CTRL, MA_RST_CLR); - - /* configure timeout values */ - SK_OUT8(IoC, B3_MA_TOINI_RX1, SK_MAC_TO_53); - SK_OUT8(IoC, B3_MA_TOINI_RX2, SK_MAC_TO_53); - SK_OUT8(IoC, B3_MA_TOINI_TX1, SK_MAC_TO_53); - SK_OUT8(IoC, B3_MA_TOINI_TX2, SK_MAC_TO_53); - - SK_OUT8(IoC, B3_MA_RCINI_RX1, 0); - SK_OUT8(IoC, B3_MA_RCINI_RX2, 0); - SK_OUT8(IoC, B3_MA_RCINI_TX1, 0); - SK_OUT8(IoC, B3_MA_RCINI_TX2, 0); - - /* recovery values are needed for XMAC II Rev. B2 only */ - /* Fast Output Enable Mode was intended to use with Rev. B2, but now? */ - - /* - * There is no start or enable button to push, therefore - * the MAC arbiter is configured and enabled now. - */ -} /* SkGeInitMacArb */ - - -/****************************************************************************** - * - * SkGeInitPktArb() - Initialize the Packet Arbiter - * - * Description: - * This function initializes the Packet Arbiter. - * It must not be called if there is still an - * initialized or active port. - * - * Returns: - * nothing - */ -static void SkGeInitPktArb( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - /* release local reset */ - SK_OUT16(IoC, B3_PA_CTRL, PA_RST_CLR); - - /* configure timeout values */ - SK_OUT16(IoC, B3_PA_TOINI_RX1, SK_PKT_TO_MAX); - SK_OUT16(IoC, B3_PA_TOINI_RX2, SK_PKT_TO_MAX); - SK_OUT16(IoC, B3_PA_TOINI_TX1, SK_PKT_TO_MAX); - SK_OUT16(IoC, B3_PA_TOINI_TX2, SK_PKT_TO_MAX); - - /* - * enable timeout timers if jumbo frames not used - * NOTE: the packet arbiter timeout interrupt is needed for - * half duplex hangup workaround - */ - if (pAC->GIni.GIPortUsage != SK_JUMBO_LINK) { - if (pAC->GIni.GIMacsFound == 1) { - SK_OUT16(IoC, B3_PA_CTRL, PA_ENA_TO_TX1); - } - else { - SK_OUT16(IoC, B3_PA_CTRL, PA_ENA_TO_TX1 | PA_ENA_TO_TX2); - } - } -} /* SkGeInitPktArb */ - - -/****************************************************************************** - * - * SkGeInitMacFifo() - Initialize the MAC FIFOs - * - * Description: - * Initialize all MAC FIFOs of the specified port - * - * Returns: - * nothing - */ -static void SkGeInitMacFifo( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_U16 Word; -#ifdef VCPU - SK_U32 DWord; -#endif /* VCPU */ - /* - * For each FIFO: - * - release local reset - * - use default value for MAC FIFO size - * - setup defaults for the control register - * - enable the FIFO - */ - - Word = GMF_RX_CTRL_DEF; - - if (pAC->GIni.GIGenesis) { - /* Configure Rx MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, RX_MFF_CTRL2), MFF_RST_CLR); - SK_OUT16(IoC, MR_ADDR(Port, RX_MFF_CTRL1), MFF_RX_CTRL_DEF); - SK_OUT8(IoC, MR_ADDR(Port, RX_MFF_CTRL2), MFF_ENA_OP_MD); - - /* Configure Tx MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, TX_MFF_CTRL2), MFF_RST_CLR); - SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_TX_CTRL_DEF); - SK_OUT8(IoC, MR_ADDR(Port, TX_MFF_CTRL2), MFF_ENA_OP_MD); - - /* Enable frame flushing if jumbo frames used */ - if (pAC->GIni.GIPortUsage == SK_JUMBO_LINK) { - SK_OUT16(IoC, MR_ADDR(Port, RX_MFF_CTRL1), MFF_ENA_FLUSH); - } - } - else { - /* set Rx GMAC FIFO Flush Mask */ - SK_OUT16(IoC, MR_ADDR(Port, RX_GMF_FL_MSK), (SK_U16)RX_FF_FL_DEF_MSK); - - if (pAC->GIni.GIYukonLite && pAC->GIni.GIChipId == CHIP_ID_YUKON) { - - Word &= ~GMF_RX_F_FL_ON; - } - - /* Configure Rx MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, RX_GMF_CTRL_T), (SK_U8)GMF_RST_CLR); - SK_OUT16(IoC, MR_ADDR(Port, RX_GMF_CTRL_T), Word); - - /* set Rx GMAC FIFO Flush Threshold (default: 0x0a -> 56 bytes) */ - SK_OUT16(IoC, MR_ADDR(Port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF); - - /* Configure Tx MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), (SK_U8)GMF_RST_CLR); - SK_OUT16(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), (SK_U16)GMF_TX_CTRL_DEF); - -#ifdef VCPU - SK_IN32(IoC, MR_ADDR(Port, RX_GMF_AF_THR), &DWord); - SK_IN32(IoC, MR_ADDR(Port, TX_GMF_AE_THR), &DWord); -#endif /* VCPU */ - - /* set Tx GMAC FIFO Almost Empty Threshold */ -/* SK_OUT32(IoC, MR_ADDR(Port, TX_GMF_AE_THR), 0); */ - } -} /* SkGeInitMacFifo */ - - -/****************************************************************************** - * - * SkGeLoadLnkSyncCnt() - Load the Link Sync Counter and starts counting - * - * Description: - * This function starts the Link Sync Counter of the specified - * port and enables the generation of an Link Sync IRQ. - * The Link Sync Counter may be used to detect an active link, - * if autonegotiation is not used. - * - * Note: - * o To ensure receiving the Link Sync Event the LinkSyncCounter - * should be initialized BEFORE clearing the XMAC's reset! - * o Enable IS_LNK_SYNC_M1 and IS_LNK_SYNC_M2 after calling this - * function. - * - * Returns: - * nothing - */ -void SkGeLoadLnkSyncCnt( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port, /* Port Index (MAC_1 + n) */ -SK_U32 CntVal) /* Counter value */ -{ - SK_U32 OrgIMsk; - SK_U32 NewIMsk; - SK_U32 ISrc; - SK_BOOL IrqPend; - - /* stop counter */ - SK_OUT8(IoC, MR_ADDR(Port, LNK_SYNC_CTRL), LED_STOP); - - /* - * ASIC problem: - * Each time starting the Link Sync Counter an IRQ is generated - * by the adapter. See problem report entry from 21.07.98 - * - * Workaround: Disable Link Sync IRQ and clear the unexpeced IRQ - * if no IRQ is already pending. - */ - IrqPend = SK_FALSE; - SK_IN32(IoC, B0_ISRC, &ISrc); - SK_IN32(IoC, B0_IMSK, &OrgIMsk); - if (Port == MAC_1) { - NewIMsk = OrgIMsk & ~IS_LNK_SYNC_M1; - if ((ISrc & IS_LNK_SYNC_M1) != 0) { - IrqPend = SK_TRUE; - } - } - else { - NewIMsk = OrgIMsk & ~IS_LNK_SYNC_M2; - if ((ISrc & IS_LNK_SYNC_M2) != 0) { - IrqPend = SK_TRUE; - } - } - if (!IrqPend) { - SK_OUT32(IoC, B0_IMSK, NewIMsk); - } - - /* load counter */ - SK_OUT32(IoC, MR_ADDR(Port, LNK_SYNC_INI), CntVal); - - /* start counter */ - SK_OUT8(IoC, MR_ADDR(Port, LNK_SYNC_CTRL), LED_START); - - if (!IrqPend) { - /* clear the unexpected IRQ, and restore the interrupt mask */ - SK_OUT8(IoC, MR_ADDR(Port, LNK_SYNC_CTRL), LED_CLR_IRQ); - SK_OUT32(IoC, B0_IMSK, OrgIMsk); - } -} /* SkGeLoadLnkSyncCnt*/ - - -/****************************************************************************** - * - * SkGeCfgSync() - Configure synchronous bandwidth for this port. - * - * Description: - * This function may be used to configure synchronous bandwidth - * to the specified port. This may be done any time after - * initializing the port. The configuration values are NOT saved - * in the HWAC port structure and will be overwritten any - * time when stopping and starting the port. - * Any values for the synchronous configuration will be ignored - * if the size of the synchronous queue is zero! - * - * The default configuration for the synchronous service is - * TXA_ENA_FSYNC. This means if the size of - * the synchronous queue is unequal zero but no specific - * synchronous bandwidth is configured, the synchronous queue - * will always have the 'unlimited' transmit priority! - * - * This mode will be restored if the synchronous bandwidth is - * deallocated ('IntTime' = 0 and 'LimCount' = 0). - * - * Returns: - * 0: success - * 1: parameter configuration error - * 2: try to configure quality of service although no - * synchronous queue is configured - */ -int SkGeCfgSync( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port, /* Port Index (MAC_1 + n) */ -SK_U32 IntTime, /* Interval Timer Value in units of 8ns */ -SK_U32 LimCount, /* Number of bytes to transfer during IntTime */ -int SyncMode) /* Sync Mode: TXA_ENA_ALLOC | TXA_DIS_ALLOC | 0 */ -{ - int Rtv; - - Rtv = 0; - - /* check the parameters */ - if (LimCount > IntTime || - (LimCount == 0 && IntTime != 0) || - (LimCount != 0 && IntTime == 0)) { - - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E010, SKERR_HWI_E010MSG); - return(1); - } - - if (pAC->GIni.GP[Port].PXSQSize == 0) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E009, SKERR_HWI_E009MSG); - return(2); - } - - /* calculate register values */ - IntTime = (IntTime / 2) * pAC->GIni.GIHstClkFact / 100; - LimCount = LimCount / 8; - - if (IntTime > TXA_MAX_VAL || LimCount > TXA_MAX_VAL) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E010, SKERR_HWI_E010MSG); - return(1); - } - - /* - * - Enable 'Force Sync' to ensure the synchronous queue - * has the priority while configuring the new values. - * - Also 'disable alloc' to ensure the settings complies - * to the SyncMode parameter. - * - Disable 'Rate Control' to configure the new values. - * - write IntTime and LimCount - * - start 'Rate Control' and disable 'Force Sync' - * if Interval Timer or Limit Counter not zero. - */ - SK_OUT8(IoC, MR_ADDR(Port, TXA_CTRL), - TXA_ENA_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); - - SK_OUT32(IoC, MR_ADDR(Port, TXA_ITI_INI), IntTime); - SK_OUT32(IoC, MR_ADDR(Port, TXA_LIM_INI), LimCount); - - SK_OUT8(IoC, MR_ADDR(Port, TXA_CTRL), - (SK_U8)(SyncMode & (TXA_ENA_ALLOC | TXA_DIS_ALLOC))); - - if (IntTime != 0 || LimCount != 0) { - SK_OUT8(IoC, MR_ADDR(Port, TXA_CTRL), TXA_DIS_FSYNC | TXA_START_RC); - } - - return(0); -} /* SkGeCfgSync */ - - -/****************************************************************************** - * - * DoInitRamQueue() - Initialize the RAM Buffer Address of a single Queue - * - * Desccription: - * If the queue is used, enable and initialize it. - * Make sure the queue is still reset, if it is not used. - * - * Returns: - * nothing - */ -static void DoInitRamQueue( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int QuIoOffs, /* Queue IO Address Offset */ -SK_U32 QuStartAddr, /* Queue Start Address */ -SK_U32 QuEndAddr, /* Queue End Address */ -int QuType) /* Queue Type (SK_RX_SRAM_Q|SK_RX_BRAM_Q|SK_TX_RAM_Q) */ -{ - SK_U32 RxUpThresVal; - SK_U32 RxLoThresVal; - - if (QuStartAddr != QuEndAddr) { - /* calculate thresholds, assume we have a big Rx queue */ - RxUpThresVal = (QuEndAddr + 1 - QuStartAddr - SK_RB_ULPP) / 8; - RxLoThresVal = (QuEndAddr + 1 - QuStartAddr - SK_RB_LLPP_B)/8; - - /* build HW address format */ - QuStartAddr = QuStartAddr / 8; - QuEndAddr = QuEndAddr / 8; - - /* release local reset */ - SK_OUT8(IoC, RB_ADDR(QuIoOffs, RB_CTRL), RB_RST_CLR); - - /* configure addresses */ - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_START), QuStartAddr); - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_END), QuEndAddr); - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_WP), QuStartAddr); - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_RP), QuStartAddr); - - switch (QuType) { - case SK_RX_SRAM_Q: - /* configure threshold for small Rx Queue */ - RxLoThresVal += (SK_RB_LLPP_B - SK_RB_LLPP_S) / 8; - - /* continue with SK_RX_BRAM_Q */ - case SK_RX_BRAM_Q: - /* write threshold for Rx Queue */ - - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_RX_UTPP), RxUpThresVal); - SK_OUT32(IoC, RB_ADDR(QuIoOffs, RB_RX_LTPP), RxLoThresVal); - - /* the high priority threshold not used */ - break; - case SK_TX_RAM_Q: - /* - * Do NOT use Store & Forward under normal operation due to - * performance optimization (GENESIS only). - * But if Jumbo Frames are configured (XMAC Tx FIFO is only 4 kB) - * or YUKON is used ((GMAC Tx FIFO is only 1 kB) - * we NEED Store & Forward of the RAM buffer. - */ - if (pAC->GIni.GIPortUsage == SK_JUMBO_LINK || - !pAC->GIni.GIGenesis) { - /* enable Store & Forward Mode for the Tx Side */ - SK_OUT8(IoC, RB_ADDR(QuIoOffs, RB_CTRL), RB_ENA_STFWD); - } - break; - } - - /* set queue operational */ - SK_OUT8(IoC, RB_ADDR(QuIoOffs, RB_CTRL), RB_ENA_OP_MD); - } - else { - /* ensure the queue is still disabled */ - SK_OUT8(IoC, RB_ADDR(QuIoOffs, RB_CTRL), RB_RST_SET); - } -} /* DoInitRamQueue */ - - -/****************************************************************************** - * - * SkGeInitRamBufs() - Initialize the RAM Buffer Queues - * - * Description: - * Initialize all RAM Buffer Queues of the specified port - * - * Returns: - * nothing - */ -static void SkGeInitRamBufs( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; - int RxQType; - - pPrt = &pAC->GIni.GP[Port]; - - if (pPrt->PRxQSize == SK_MIN_RXQ_SIZE) { - RxQType = SK_RX_SRAM_Q; /* small Rx Queue */ - } else { - RxQType = SK_RX_BRAM_Q; /* big Rx Queue */ - } - - DoInitRamQueue(pAC, IoC, pPrt->PRxQOff, pPrt->PRxQRamStart, - pPrt->PRxQRamEnd, RxQType); - - DoInitRamQueue(pAC, IoC, pPrt->PXsQOff, pPrt->PXsQRamStart, - pPrt->PXsQRamEnd, SK_TX_RAM_Q); - - DoInitRamQueue(pAC, IoC, pPrt->PXaQOff, pPrt->PXaQRamStart, - pPrt->PXaQRamEnd, SK_TX_RAM_Q); - -} /* SkGeInitRamBufs */ - - -/****************************************************************************** - * - * SkGeInitRamIface() - Initialize the RAM Interface - * - * Description: - * This function initializes the Adapters RAM Interface. - * - * Note: - * This function is used in the diagnostics. - * - * Returns: - * nothing - */ -void SkGeInitRamIface( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - /* release local reset */ - SK_OUT16(IoC, B3_RI_CTRL, RI_RST_CLR); - - /* configure timeout values */ - SK_OUT8(IoC, B3_RI_WTO_R1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_WTO_XA1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_WTO_XS1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_R1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_XA1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_XS1, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_WTO_R2, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_WTO_XA2, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_WTO_XS2, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_R2, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_XA2, SK_RI_TO_53); - SK_OUT8(IoC, B3_RI_RTO_XS2, SK_RI_TO_53); - -} /* SkGeInitRamIface */ - - -/****************************************************************************** - * - * SkGeInitBmu() - Initialize the BMU state machines - * - * Description: - * Initialize all BMU state machines of the specified port - * - * Returns: - * nothing - */ -static void SkGeInitBmu( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port Index (MAC_1 + n) */ -{ - SK_GEPORT *pPrt; - SK_U32 RxWm; - SK_U32 TxWm; - - pPrt = &pAC->GIni.GP[Port]; - - RxWm = SK_BMU_RX_WM; - TxWm = SK_BMU_TX_WM; - - if (!pAC->GIni.GIPciSlot64 && !pAC->GIni.GIPciClock66) { - /* for better performance */ - RxWm /= 2; - TxWm /= 2; - } - - /* Rx Queue: Release all local resets and set the watermark */ - SK_OUT32(IoC, Q_ADDR(pPrt->PRxQOff, Q_CSR), CSR_CLR_RESET); - SK_OUT32(IoC, Q_ADDR(pPrt->PRxQOff, Q_F), RxWm); - - /* - * Tx Queue: Release all local resets if the queue is used ! - * set watermark - */ - if (pPrt->PXSQSize != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_CSR), CSR_CLR_RESET); - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_F), TxWm); - } - - if (pPrt->PXAQSize != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_CSR), CSR_CLR_RESET); - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_F), TxWm); - } - /* - * Do NOT enable the descriptor poll timers here, because - * the descriptor addresses are not specified yet. - */ -} /* SkGeInitBmu */ - - -/****************************************************************************** - * - * TestStopBit() - Test the stop bit of the queue - * - * Description: - * Stopping a queue is not as simple as it seems to be. - * If descriptor polling is enabled, it may happen - * that RX/TX stop is done and SV idle is NOT set. - * In this case we have to issue another stop command. - * - * Returns: - * The queues control status register - */ -static SK_U32 TestStopBit( -SK_AC *pAC, /* Adapter Context */ -SK_IOC IoC, /* IO Context */ -int QuIoOffs) /* Queue IO Address Offset */ -{ - SK_U32 QuCsr; /* CSR contents */ - - SK_IN32(IoC, Q_ADDR(QuIoOffs, Q_CSR), &QuCsr); - - if ((QuCsr & (CSR_STOP | CSR_SV_IDLE)) == 0) { - /* Stop Descriptor overridden by start command */ - SK_OUT32(IoC, Q_ADDR(QuIoOffs, Q_CSR), CSR_STOP); - - SK_IN32(IoC, Q_ADDR(QuIoOffs, Q_CSR), &QuCsr); - } - - return(QuCsr); -} /* TestStopBit */ - - -/****************************************************************************** - * - * SkGeStopPort() - Stop the Rx/Tx activity of the port 'Port'. - * - * Description: - * After calling this function the descriptor rings and Rx and Tx - * queues of this port may be reconfigured. - * - * It is possible to stop the receive and transmit path separate or - * both together. - * - * Dir = SK_STOP_TX Stops the transmit path only and resets the MAC. - * The receive queue is still active and - * the pending Rx frames may be still transferred - * into the RxD. - * SK_STOP_RX Stop the receive path. The tansmit path - * has to be stopped once before. - * SK_STOP_ALL SK_STOP_TX + SK_STOP_RX - * - * RstMode = SK_SOFT_RST Resets the MAC. The PHY is still alive. - * SK_HARD_RST Resets the MAC and the PHY. - * - * Example: - * 1) A Link Down event was signaled for a port. Therefore the activity - * of this port should be stopped and a hardware reset should be issued - * to enable the workaround of XMAC errata #2. But the received frames - * should not be discarded. - * ... - * SkGeStopPort(pAC, IoC, Port, SK_STOP_TX, SK_HARD_RST); - * (transfer all pending Rx frames) - * SkGeStopPort(pAC, IoC, Port, SK_STOP_RX, SK_HARD_RST); - * ... - * - * 2) An event was issued which request the driver to switch - * the 'virtual active' link to an other already active port - * as soon as possible. The frames in the receive queue of this - * port may be lost. But the PHY must not be reset during this - * event. - * ... - * SkGeStopPort(pAC, IoC, Port, SK_STOP_ALL, SK_SOFT_RST); - * ... - * - * Extended Description: - * If SK_STOP_TX is set, - * o disable the MAC's receive and transmitter to prevent - * from sending incomplete frames - * o stop the port's transmit queues before terminating the - * BMUs to prevent from performing incomplete PCI cycles - * on the PCI bus - * - The network Rx and Tx activity and PCI Tx transfer is - * disabled now. - * o reset the MAC depending on the RstMode - * o Stop Interval Timer and Limit Counter of Tx Arbiter, - * also disable Force Sync bit and Enable Alloc bit. - * o perform a local reset of the port's Tx path - * - reset the PCI FIFO of the async Tx queue - * - reset the PCI FIFO of the sync Tx queue - * - reset the RAM Buffer async Tx queue - * - reset the RAM Buffer sync Tx queue - * - reset the MAC Tx FIFO - * o switch Link and Tx LED off, stop the LED counters - * - * If SK_STOP_RX is set, - * o stop the port's receive queue - * - The path data transfer activity is fully stopped now. - * o perform a local reset of the port's Rx path - * - reset the PCI FIFO of the Rx queue - * - reset the RAM Buffer receive queue - * - reset the MAC Rx FIFO - * o switch Rx LED off, stop the LED counter - * - * If all ports are stopped, - * o reset the RAM Interface. - * - * Notes: - * o This function may be called during the driver states RESET_PORT and - * SWITCH_PORT. - */ -void SkGeStopPort( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* I/O context */ -int Port, /* port to stop (MAC_1 + n) */ -int Dir, /* Direction to Stop (SK_STOP_RX, SK_STOP_TX, SK_STOP_ALL) */ -int RstMode)/* Reset Mode (SK_SOFT_RST, SK_HARD_RST) */ -{ -#ifndef SK_DIAG - SK_EVPARA Para; -#endif /* !SK_DIAG */ - SK_GEPORT *pPrt; - SK_U32 DWord; - SK_U32 XsCsr; - SK_U32 XaCsr; - SK_U64 ToutStart; - int i; - int ToutCnt; - - pPrt = &pAC->GIni.GP[Port]; - - if ((Dir & SK_STOP_TX) != 0) { - /* disable receiver and transmitter */ - SkMacRxTxDisable(pAC, IoC, Port); - - /* stop both transmit queues */ - /* - * If the BMU is in the reset state CSR_STOP will terminate - * immediately. - */ - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_CSR), CSR_STOP); - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_CSR), CSR_STOP); - - ToutStart = SkOsGetTime(pAC); - ToutCnt = 0; - do { - /* - * Clear packet arbiter timeout to make sure - * this loop will terminate. - */ - SK_OUT16(IoC, B3_PA_CTRL, (Port == MAC_1) ? PA_CLR_TO_TX1 : - PA_CLR_TO_TX2); - - /* - * If the transfer stucks at the MAC the STOP command will not - * terminate if we don't flush the XMAC's transmit FIFO ! - */ - SkMacFlushTxFifo(pAC, IoC, Port); - - XsCsr = TestStopBit(pAC, IoC, pPrt->PXsQOff); - XaCsr = TestStopBit(pAC, IoC, pPrt->PXaQOff); - - if (SkOsGetTime(pAC) - ToutStart > (SK_TICKS_PER_SEC / 18)) { - /* - * Timeout of 1/18 second reached. - * This needs to be checked at 1/18 sec only. - */ - ToutCnt++; - if (ToutCnt > 1) { - /* Might be a problem when the driver event handler - * calls StopPort again. XXX. - */ - - /* Fatal Error, Loop aborted */ - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_HWI_E018, - SKERR_HWI_E018MSG); -#ifndef SK_DIAG - Para.Para64 = Port; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); -#endif /* !SK_DIAG */ - return; - } - /* - * Cache incoherency workaround: Assume a start command - * has been lost while sending the frame. - */ - ToutStart = SkOsGetTime(pAC); - - if ((XsCsr & CSR_STOP) != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_CSR), CSR_START); - } - if ((XaCsr & CSR_STOP) != 0) { - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_CSR), CSR_START); - } - } - - /* - * Because of the ASIC problem report entry from 21.08.1998 it is - * required to wait until CSR_STOP is reset and CSR_SV_IDLE is set. - */ - } while ((XsCsr & (CSR_STOP | CSR_SV_IDLE)) != CSR_SV_IDLE || - (XaCsr & (CSR_STOP | CSR_SV_IDLE)) != CSR_SV_IDLE); - - /* Reset the MAC depending on the RstMode */ - if (RstMode == SK_SOFT_RST) { - SkMacSoftRst(pAC, IoC, Port); - } - else { - SkMacHardRst(pAC, IoC, Port); - } - - /* Disable Force Sync bit and Enable Alloc bit */ - SK_OUT8(IoC, MR_ADDR(Port, TXA_CTRL), - TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); - - /* Stop Interval Timer and Limit Counter of Tx Arbiter */ - SK_OUT32(IoC, MR_ADDR(Port, TXA_ITI_INI), 0L); - SK_OUT32(IoC, MR_ADDR(Port, TXA_LIM_INI), 0L); - - /* Perform a local reset of the port's Tx path */ - - /* Reset the PCI FIFO of the async Tx queue */ - SK_OUT32(IoC, Q_ADDR(pPrt->PXaQOff, Q_CSR), CSR_SET_RESET); - /* Reset the PCI FIFO of the sync Tx queue */ - SK_OUT32(IoC, Q_ADDR(pPrt->PXsQOff, Q_CSR), CSR_SET_RESET); - /* Reset the RAM Buffer async Tx queue */ - SK_OUT8(IoC, RB_ADDR(pPrt->PXaQOff, RB_CTRL), RB_RST_SET); - /* Reset the RAM Buffer sync Tx queue */ - SK_OUT8(IoC, RB_ADDR(pPrt->PXsQOff, RB_CTRL), RB_RST_SET); - - /* Reset Tx MAC FIFO */ - if (pAC->GIni.GIGenesis) { - /* Note: MFF_RST_SET does NOT reset the XMAC ! */ - SK_OUT8(IoC, MR_ADDR(Port, TX_MFF_CTRL2), MFF_RST_SET); - - /* switch Link and Tx LED off, stop the LED counters */ - /* Link LED is switched off by the RLMT and the Diag itself */ - SkGeXmitLED(pAC, IoC, MR_ADDR(Port, TX_LED_INI), SK_LED_DIS); - } - else { - /* Reset TX MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), (SK_U8)GMF_RST_SET); - } - } - - if ((Dir & SK_STOP_RX) != 0) { - /* - * The RX Stop Command will not terminate if no buffers - * are queued in the RxD ring. But it will always reach - * the Idle state. Therefore we can use this feature to - * stop the transfer of received packets. - */ - /* stop the port's receive queue */ - SK_OUT32(IoC, Q_ADDR(pPrt->PRxQOff, Q_CSR), CSR_STOP); - - i = 100; - do { - /* - * Clear packet arbiter timeout to make sure - * this loop will terminate - */ - SK_OUT16(IoC, B3_PA_CTRL, (Port == MAC_1) ? PA_CLR_TO_RX1 : - PA_CLR_TO_RX2); - - DWord = TestStopBit(pAC, IoC, pPrt->PRxQOff); - - /* timeout if i==0 (bug fix for #10748) */ - if (--i == 0) { - SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_HWI_E024, - SKERR_HWI_E024MSG); - break; - } - /* - * because of the ASIC problem report entry from 21.08.98 - * it is required to wait until CSR_STOP is reset and - * CSR_SV_IDLE is set. - */ - } while ((DWord & (CSR_STOP | CSR_SV_IDLE)) != CSR_SV_IDLE); - - /* The path data transfer activity is fully stopped now */ - - /* Perform a local reset of the port's Rx path */ - - /* Reset the PCI FIFO of the Rx queue */ - SK_OUT32(IoC, Q_ADDR(pPrt->PRxQOff, Q_CSR), CSR_SET_RESET); - /* Reset the RAM Buffer receive queue */ - SK_OUT8(IoC, RB_ADDR(pPrt->PRxQOff, RB_CTRL), RB_RST_SET); - - /* Reset Rx MAC FIFO */ - if (pAC->GIni.GIGenesis) { - - SK_OUT8(IoC, MR_ADDR(Port, RX_MFF_CTRL2), MFF_RST_SET); - - /* switch Rx LED off, stop the LED counter */ - SkGeXmitLED(pAC, IoC, MR_ADDR(Port, RX_LED_INI), SK_LED_DIS); - } - else { - /* Reset Rx MAC FIFO */ - SK_OUT8(IoC, MR_ADDR(Port, RX_GMF_CTRL_T), (SK_U8)GMF_RST_SET); - } - } -} /* SkGeStopPort */ - - -/****************************************************************************** - * - * SkGeInit0() - Level 0 Initialization - * - * Description: - * - Initialize the BMU address offsets - * - * Returns: - * nothing - */ -static void SkGeInit0( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - int i; - SK_GEPORT *pPrt; - - for (i = 0; i < SK_MAX_MACS; i++) { - pPrt = &pAC->GIni.GP[i]; - - pPrt->PState = SK_PRT_RESET; - pPrt->PRxQOff = QOffTab[i].RxQOff; - pPrt->PXsQOff = QOffTab[i].XsQOff; - pPrt->PXaQOff = QOffTab[i].XaQOff; - pPrt->PCheckPar = SK_FALSE; - pPrt->PIsave = 0; - pPrt->PPrevShorts = 0; - pPrt->PLinkResCt = 0; - pPrt->PAutoNegTOCt = 0; - pPrt->PPrevRx = 0; - pPrt->PPrevFcs = 0; - pPrt->PRxLim = SK_DEF_RX_WA_LIM; - pPrt->PLinkMode = SK_LMODE_AUTOFULL; - pPrt->PLinkSpeedCap = SK_LSPEED_CAP_1000MBPS; - pPrt->PLinkSpeed = SK_LSPEED_1000MBPS; - pPrt->PLinkSpeedUsed = SK_LSPEED_STAT_UNKNOWN; - pPrt->PLinkModeConf = SK_LMODE_AUTOSENSE; - pPrt->PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM; - pPrt->PLinkBroken = SK_TRUE; /* See WA code */ - pPrt->PLinkCap = (SK_LMODE_CAP_HALF | SK_LMODE_CAP_FULL | - SK_LMODE_CAP_AUTOHALF | SK_LMODE_CAP_AUTOFULL); - pPrt->PLinkModeStatus = SK_LMODE_STAT_UNKNOWN; - pPrt->PFlowCtrlCap = SK_FLOW_MODE_SYM_OR_REM; - pPrt->PFlowCtrlStatus = SK_FLOW_STAT_NONE; - pPrt->PMSCap = 0; - pPrt->PMSMode = SK_MS_MODE_AUTO; - pPrt->PMSStatus = SK_MS_STAT_UNSET; - pPrt->PAutoNegFail = SK_FALSE; - pPrt->PLipaAutoNeg = SK_LIPA_UNKNOWN; - pPrt->PHWLinkUp = SK_FALSE; - } - - pAC->GIni.GIPortUsage = SK_RED_LINK; - -} /* SkGeInit0*/ - -#ifdef SK_PCI_RESET - -/****************************************************************************** - * - * SkGePciReset() - Reset PCI interface - * - * Description: - * o Read PCI configuration. - * o Change power state to 3. - * o Change power state to 0. - * o Restore PCI configuration. - * - * Returns: - * 0: Success. - * 1: Power state could not be changed to 3. - */ -static int SkGePciReset( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - int i; - SK_U16 PmCtlSts; - SK_U32 Bp1; - SK_U32 Bp2; - SK_U16 PciCmd; - SK_U8 Cls; - SK_U8 Lat; - SK_U8 ConfigSpace[PCI_CFG_SIZE]; - - /* - * Note: Switching to D3 state is like a software reset. - * Switching from D3 to D0 is a hardware reset. - * We have to save and restore the configuration space. - */ - for (i = 0; i < PCI_CFG_SIZE; i++) { - SkPciReadCfgDWord(pAC, i*4, &ConfigSpace[i]); - } - - /* We know the RAM Interface Arbiter is enabled. */ - SkPciWriteCfgWord(pAC, PCI_PM_CTL_STS, PCI_PM_STATE_D3); - SkPciReadCfgWord(pAC, PCI_PM_CTL_STS, &PmCtlSts); - - if ((PmCtlSts & PCI_PM_STATE_MSK) != PCI_PM_STATE_D3) { - return(1); - } - - /* Return to D0 state. */ - SkPciWriteCfgWord(pAC, PCI_PM_CTL_STS, PCI_PM_STATE_D0); - - /* Check for D0 state. */ - SkPciReadCfgWord(pAC, PCI_PM_CTL_STS, &PmCtlSts); - - if ((PmCtlSts & PCI_PM_STATE_MSK) != PCI_PM_STATE_D0) { - return(1); - } - - /* Check PCI Config Registers. */ - SkPciReadCfgWord(pAC, PCI_COMMAND, &PciCmd); - SkPciReadCfgByte(pAC, PCI_CACHE_LSZ, &Cls); - SkPciReadCfgDWord(pAC, PCI_BASE_1ST, &Bp1); - SkPciReadCfgDWord(pAC, PCI_BASE_2ND, &Bp2); - SkPciReadCfgByte(pAC, PCI_LAT_TIM, &Lat); - - if (PciCmd != 0 || Cls != 0 || (Bp1 & 0xfffffff0L) != 0 || Bp2 != 1 || - Lat != 0) { - return(1); - } - - /* Restore PCI Config Space. */ - for (i = 0; i < PCI_CFG_SIZE; i++) { - SkPciWriteCfgDWord(pAC, i*4, ConfigSpace[i]); - } - - return(0); -} /* SkGePciReset */ - -#endif /* SK_PCI_RESET */ - -/****************************************************************************** - * - * SkGeInit1() - Level 1 Initialization - * - * Description: - * o Do a software reset. - * o Clear all reset bits. - * o Verify that the detected hardware is present. - * Return an error if not. - * o Get the hardware configuration - * + Read the number of MACs/Ports. - * + Read the RAM size. - * + Read the PCI Revision Id. - * + Find out the adapters host clock speed - * + Read and check the PHY type - * - * Returns: - * 0: success - * 5: Unexpected PHY type detected - * 6: HW self test failed - */ -static int SkGeInit1( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - SK_U8 Byte; - SK_U16 Word; - SK_U16 CtrlStat; - SK_U32 FlashAddr; - int RetVal; - int i; - - RetVal = 0; - - /* save CLK_RUN bits (YUKON-Lite) */ - SK_IN16(IoC, B0_CTST, &CtrlStat); - -#ifdef SK_PCI_RESET - (void)SkGePciReset(pAC, IoC); -#endif /* SK_PCI_RESET */ - - /* do the SW-reset */ - SK_OUT8(IoC, B0_CTST, CS_RST_SET); - - /* release the SW-reset */ - SK_OUT8(IoC, B0_CTST, CS_RST_CLR); - - /* reset all error bits in the PCI STATUS register */ - /* - * Note: PCI Cfg cycles cannot be used, because they are not - * available on some platforms after 'boot time'. - */ - 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); - - /* release Master Reset */ - SK_OUT8(IoC, B0_CTST, CS_MRST_CLR); - -#ifdef CLK_RUN - CtrlStat |= CS_CLK_RUN_ENA; -#endif /* CLK_RUN */ - - /* restore CLK_RUN bits */ - SK_OUT16(IoC, B0_CTST, CtrlStat & - (CS_CLK_RUN_HOT | CS_CLK_RUN_RST | CS_CLK_RUN_ENA)); - - /* read Chip Identification Number */ - SK_IN8(IoC, B2_CHIP_ID, &Byte); - pAC->GIni.GIChipId = Byte; - - /* read number of MACs */ - SK_IN8(IoC, B2_MAC_CFG, &Byte); - pAC->GIni.GIMacsFound = (Byte & CONFIG_SYS_SNG_MAC) ? 1 : 2; - - /* get Chip Revision Number */ - pAC->GIni.GIChipRev = (SK_U8)((Byte & CONFIG_SYS_CHIP_R_MSK) >> 4); - - /* get diff. PCI parameters */ - SK_IN16(IoC, B0_CTST, &CtrlStat); - - /* read the adapters RAM size */ - SK_IN8(IoC, B2_E_0, &Byte); - - if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { - - pAC->GIni.GIGenesis = SK_TRUE; - - if (Byte == 3) { - /* special case: 4 x 64k x 36, offset = 0x80000 */ - pAC->GIni.GIRamSize = 1024; - pAC->GIni.GIRamOffs = (SK_U32)512 * 1024; - } - else { - pAC->GIni.GIRamSize = (int)Byte * 512; - pAC->GIni.GIRamOffs = 0; - } - /* all GE adapters work with 53.125 MHz host clock */ - pAC->GIni.GIHstClkFact = SK_FACT_53; - - /* set Descr. Poll Timer Init Value to 250 ms */ - pAC->GIni.GIPollTimerVal = - SK_DPOLL_DEF * (SK_U32)pAC->GIni.GIHstClkFact / 100; - } - else { - pAC->GIni.GIGenesis = SK_FALSE; - -#ifndef VCPU - pAC->GIni.GIRamSize = (Byte == 0) ? 128 : (int)Byte * 4; -#else - pAC->GIni.GIRamSize = 128; -#endif - pAC->GIni.GIRamOffs = 0; - - /* WA for chip Rev. A */ - pAC->GIni.GIWolOffs = (pAC->GIni.GIChipRev == 0) ? WOL_REG_OFFS : 0; - - /* get PM Capabilities of PCI config space */ - SK_IN16(IoC, PCI_C(PCI_PM_CAP_REG), &Word); - - /* check if VAUX is available */ - if (((CtrlStat & CS_VAUX_AVAIL) != 0) && - /* check also if PME from D3cold is set */ - ((Word & PCI_PME_D3C_SUP) != 0)) { - /* set entry in GE init struct */ - pAC->GIni.GIVauxAvail = SK_TRUE; - } - - /* save Flash-Address Register */ - SK_IN32(IoC, B2_FAR, &FlashAddr); - - /* test Flash-Address Register */ - SK_OUT8(IoC, B2_FAR + 3, 0xff); - SK_IN8(IoC, B2_FAR + 3, &Byte); - - pAC->GIni.GIYukonLite = (SK_BOOL)(Byte != 0); - - /* restore Flash-Address Register */ - SK_OUT32(IoC, B2_FAR, FlashAddr); - - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - /* set GMAC Link Control reset */ - SK_OUT16(IoC, MR_ADDR(i, GMAC_LINK_CTRL), GMLC_RST_SET); - - /* clear GMAC Link Control reset */ - SK_OUT16(IoC, MR_ADDR(i, GMAC_LINK_CTRL), GMLC_RST_CLR); - } - /* all YU chips work with 78.125 MHz host clock */ - pAC->GIni.GIHstClkFact = SK_FACT_78; - - pAC->GIni.GIPollTimerVal = SK_DPOLL_MAX; /* 215 ms */ - } - - /* check if 64-bit PCI Slot is present */ - pAC->GIni.GIPciSlot64 = (SK_BOOL)((CtrlStat & CS_BUS_SLOT_SZ) != 0); - - /* check if 66 MHz PCI Clock is active */ - pAC->GIni.GIPciClock66 = (SK_BOOL)((CtrlStat & CS_BUS_CLOCK) != 0); - - /* read PCI HW Revision Id. */ - SK_IN8(IoC, PCI_C(PCI_REV_ID), &Byte); - pAC->GIni.GIPciHwRev = Byte; - - /* read the PMD type */ - SK_IN8(IoC, B2_PMD_TYP, &Byte); - pAC->GIni.GICopperType = (SK_U8)(Byte == 'T'); - - /* read the PHY type */ - SK_IN8(IoC, B2_E_1, &Byte); - - Byte &= 0x0f; /* the PHY type is stored in the lower nibble */ - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - - if (pAC->GIni.GIGenesis) { - switch (Byte) { - case SK_PHY_XMAC: - pAC->GIni.GP[i].PhyAddr = PHY_ADDR_XMAC; - break; - case SK_PHY_BCOM: - pAC->GIni.GP[i].PhyAddr = PHY_ADDR_BCOM; - pAC->GIni.GP[i].PMSCap = - SK_MS_CAP_AUTO | SK_MS_CAP_MASTER | SK_MS_CAP_SLAVE; - break; -#ifdef OTHER_PHY - case SK_PHY_LONE: - pAC->GIni.GP[i].PhyAddr = PHY_ADDR_LONE; - break; - case SK_PHY_NAT: - pAC->GIni.GP[i].PhyAddr = PHY_ADDR_NAT; - break; -#endif /* OTHER_PHY */ - default: - /* ERROR: unexpected PHY type detected */ - RetVal = 5; - break; - } - } - else { - if (Byte == 0) { - /* if this field is not initialized */ - Byte = SK_PHY_MARV_COPPER; - pAC->GIni.GICopperType = SK_TRUE; - } - pAC->GIni.GP[i].PhyAddr = PHY_ADDR_MARV; - - if (pAC->GIni.GICopperType) { - pAC->GIni.GP[i].PLinkSpeedCap = SK_LSPEED_CAP_AUTO | - SK_LSPEED_CAP_10MBPS | SK_LSPEED_CAP_100MBPS | - SK_LSPEED_CAP_1000MBPS; - pAC->GIni.GP[i].PLinkSpeed = SK_LSPEED_AUTO; - pAC->GIni.GP[i].PMSCap = - SK_MS_CAP_AUTO | SK_MS_CAP_MASTER | SK_MS_CAP_SLAVE; - } - else { - Byte = SK_PHY_MARV_FIBER; - } - } - - pAC->GIni.GP[i].PhyType = Byte; - - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_INIT, - ("PHY type: %d PHY addr: %04x\n", Byte, - pAC->GIni.GP[i].PhyAddr)); - } - - /* get Mac Type & set function pointers dependent on */ - if (pAC->GIni.GIGenesis) { - pAC->GIni.GIMacType = SK_MAC_XMAC; - - pAC->GIni.GIFunc.pFnMacUpdateStats = SkXmUpdateStats; - pAC->GIni.GIFunc.pFnMacStatistic = SkXmMacStatistic; - pAC->GIni.GIFunc.pFnMacResetCounter = SkXmResetCounter; - pAC->GIni.GIFunc.pFnMacOverflow = SkXmOverflowStatus; - } - else { - pAC->GIni.GIMacType = SK_MAC_GMAC; - - pAC->GIni.GIFunc.pFnMacUpdateStats = SkGmUpdateStats; - pAC->GIni.GIFunc.pFnMacStatistic = SkGmMacStatistic; - pAC->GIni.GIFunc.pFnMacResetCounter = SkGmResetCounter; - pAC->GIni.GIFunc.pFnMacOverflow = SkGmOverflowStatus; - -#ifdef SPECIAL_HANDLING - if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { - /* check HW self test result */ - SK_IN8(IoC, B2_E_3, &Byte); - if ((Byte & B2_E3_RES_MASK) != 0) { - RetVal = 6; - } - } -#endif - } - return(RetVal); -} /* SkGeInit1 */ - - -/****************************************************************************** - * - * SkGeInit2() - Level 2 Initialization - * - * Description: - * - start the Blink Source Counter - * - start the Descriptor Poll Timer - * - configure the MAC-Arbiter - * - configure the Packet-Arbiter - * - enable the Tx Arbiters - * - enable the RAM Interface Arbiter - * - * Returns: - * nothing - */ -static void SkGeInit2( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - SK_U32 DWord; - int i; - - /* start the Descriptor Poll Timer */ - if (pAC->GIni.GIPollTimerVal != 0) { - if (pAC->GIni.GIPollTimerVal > SK_DPOLL_MAX) { - pAC->GIni.GIPollTimerVal = SK_DPOLL_MAX; - - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E017, SKERR_HWI_E017MSG); - } - SK_OUT32(IoC, B28_DPT_INI, pAC->GIni.GIPollTimerVal); - SK_OUT8(IoC, B28_DPT_CTRL, DPT_START); - } - - if (pAC->GIni.GIGenesis) { - /* start the Blink Source Counter */ - DWord = SK_BLK_DUR * (SK_U32)pAC->GIni.GIHstClkFact / 100; - - SK_OUT32(IoC, B2_BSC_INI, DWord); - SK_OUT8(IoC, B2_BSC_CTRL, BSC_START); - - /* - * Configure the MAC Arbiter and the Packet Arbiter. - * They will be started once and never be stopped. - */ - SkGeInitMacArb(pAC, IoC); - - SkGeInitPktArb(pAC, IoC); - } - else { - /* start Time Stamp Timer */ - SK_OUT8(IoC, GMAC_TI_ST_CTRL, (SK_U8)GMT_ST_START); - } - - /* enable the Tx Arbiters */ - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - SK_OUT8(IoC, MR_ADDR(i, TXA_CTRL), TXA_ENA_ARB); - } - - /* enable the RAM Interface Arbiter */ - SkGeInitRamIface(pAC, IoC); - -} /* SkGeInit2 */ - -/****************************************************************************** - * - * SkGeInit() - Initialize the GE Adapter with the specified level. - * - * Description: - * Level 0: Initialize the Module structures. - * Level 1: Generic Hardware Initialization. The IOP/MemBase pointer has - * to be set before calling this level. - * - * o Do a software reset. - * o Clear all reset bits. - * o Verify that the detected hardware is present. - * Return an error if not. - * o Get the hardware configuration - * + Set GIMacsFound with the number of MACs. - * + Store the RAM size in GIRamSize. - * + Save the PCI Revision ID in GIPciHwRev. - * o return an error - * if Number of MACs > SK_MAX_MACS - * - * After returning from Level 0 the adapter - * may be accessed with IO operations. - * - * Level 2: start the Blink Source Counter - * - * Returns: - * 0: success - * 1: Number of MACs exceeds SK_MAX_MACS (after level 1) - * 2: Adapter not present or not accessible - * 3: Illegal initialization level - * 4: Initialization Level 1 Call missing - * 5: Unexpected PHY type detected - * 6: HW self test failed - */ -int SkGeInit( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Level) /* initialization level */ -{ - int RetVal; /* return value */ - SK_U32 DWord; - - RetVal = 0; - SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_INIT, - ("SkGeInit(Level %d)\n", Level)); - - switch (Level) { - case SK_INIT_DATA: - /* Initialization Level 0 */ - SkGeInit0(pAC, IoC); - pAC->GIni.GILevel = SK_INIT_DATA; - break; - - case SK_INIT_IO: - /* Initialization Level 1 */ - RetVal = SkGeInit1(pAC, IoC); - if (RetVal != 0) { - break; - } - - /* check if the adapter seems to be accessible */ - SK_OUT32(IoC, B2_IRQM_INI, 0x11335577L); - SK_IN32(IoC, B2_IRQM_INI, &DWord); - SK_OUT32(IoC, B2_IRQM_INI, 0L); - - if (DWord != 0x11335577L) { - RetVal = 2; - break; - } - - /* check if the number of GIMacsFound matches SK_MAX_MACS */ - if (pAC->GIni.GIMacsFound > SK_MAX_MACS) { - RetVal = 1; - break; - } - - /* Level 1 successfully passed */ - pAC->GIni.GILevel = SK_INIT_IO; - break; - - case SK_INIT_RUN: - /* Initialization Level 2 */ - if (pAC->GIni.GILevel != SK_INIT_IO) { -#ifndef SK_DIAG - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E002, SKERR_HWI_E002MSG); -#endif /* !SK_DIAG */ - RetVal = 4; - break; - } - SkGeInit2(pAC, IoC); - - /* Level 2 successfully passed */ - pAC->GIni.GILevel = SK_INIT_RUN; - break; - - default: - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E003, SKERR_HWI_E003MSG); - RetVal = 3; - break; - } - - return(RetVal); -} /* SkGeInit */ - - -/****************************************************************************** - * - * SkGeDeInit() - Deinitialize the adapter - * - * Description: - * All ports of the adapter will be stopped if not already done. - * Do a software reset and switch off all LEDs. - * - * Returns: - * nothing - */ -void SkGeDeInit( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC) /* IO context */ -{ - int i; - SK_U16 Word; - -#ifndef VCPU - /* ensure I2C is ready */ - SkI2cWaitIrq(pAC, IoC); -#endif - - /* stop all current transfer activity */ - for (i = 0; i < pAC->GIni.GIMacsFound; i++) { - if (pAC->GIni.GP[i].PState != SK_PRT_STOP && - pAC->GIni.GP[i].PState != SK_PRT_RESET) { - - SkGeStopPort(pAC, IoC, i, SK_STOP_ALL, SK_HARD_RST); - } - } - - /* Reset all bits in the PCI STATUS register */ - /* - * Note: PCI Cfg cycles cannot be used, because they are not - * available on some platforms after 'boot time'. - */ - 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); - - /* do the reset, all LEDs are switched off now */ - SK_OUT8(IoC, B0_CTST, CS_RST_SET); -} /* SkGeDeInit */ - - -/****************************************************************************** - * - * SkGeInitPort() Initialize the specified port. - * - * Description: - * PRxQSize, PXSQSize, and PXAQSize has to be - * configured for the specified port before calling this function. - * The descriptor rings has to be initialized too. - * - * o (Re)configure queues of the specified port. - * o configure the MAC of the specified port. - * o put ASIC and MAC(s) in operational mode. - * o initialize Rx/Tx and Sync LED - * o initialize RAM Buffers and MAC FIFOs - * - * The port is ready to connect when returning. - * - * Note: - * The MAC's Rx and Tx state machine is still disabled when returning. - * - * Returns: - * 0: success - * 1: Queue size initialization error. The configured values - * for PRxQSize, PXSQSize, or PXAQSize are invalid for one - * or more queues. The specified port was NOT initialized. - * An error log entry was generated. - * 2: The port has to be stopped before it can be initialized again. - */ -int SkGeInitPort( -SK_AC *pAC, /* adapter context */ -SK_IOC IoC, /* IO context */ -int Port) /* Port to configure */ -{ - SK_GEPORT *pPrt; - - pPrt = &pAC->GIni.GP[Port]; - - if (SkGeCheckQSize(pAC, Port) != 0) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E004, SKERR_HWI_E004MSG); - return(1); - } - - if (pPrt->PState == SK_PRT_INIT || pPrt->PState == SK_PRT_RUN) { - SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_HWI_E005, SKERR_HWI_E005MSG); - return(2); - } - - /* configuration ok, initialize the Port now */ - - if (pAC->GIni.GIGenesis) { - /* initialize Rx, Tx and Link LED */ - /* - * If 1000BT Phy needs LED initialization than swap - * LED and XMAC initialization order - */ - SkGeXmitLED(pAC, IoC, MR_ADDR(Port, TX_LED_INI), SK_LED_ENA); - SkGeXmitLED(pAC, IoC, MR_ADDR(Port, RX_LED_INI), SK_LED_ENA); - /* The Link LED is initialized by RLMT or Diagnostics itself */ - - SkXmInitMac(pAC, IoC, Port); - } - else { - - SkGmInitMac(pAC, IoC, Port); - } - - /* do NOT initialize the Link Sync Counter */ - - SkGeInitMacFifo(pAC, IoC, Port); - - SkGeInitRamBufs(pAC, IoC, Port); - - if (pPrt->PXSQSize != 0) { - /* enable Force Sync bit if synchronous queue available */ - SK_OUT8(IoC, MR_ADDR(Port, TXA_CTRL), TXA_ENA_FSYNC); - } - - SkGeInitBmu(pAC, IoC, Port); - - /* mark port as initialized */ - pPrt->PState = SK_PRT_INIT; - - return(0); -} /* SkGeInitPort */ |