skgeinit.c

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/******************************************************************************
 *
 * Name:	skgeinit.c
 * Project:	GEnesis, PCI Gigabit Ethernet Adapter
 * Version:	$Revision: 1.1.1.1 $
 * Date:	$Date: 2005/06/27 17:05:09 $
 * 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 1.1.1.1  2005/06/27 17:05:09  linuxpark
 *	Initial import.
 *	
 *	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>

#ifdef CONFIG_SK98

#include "h/skdrv1st.h"
#include "h/skdrv2nd.h"

/* global variables ***********************************************************/

/* local variables ************************************************************/

static const char SysKonnectFileId[] =
	"@(#)$Id: skgeinit.c,v 1.1.1.1 2005/06/27 17:05:09 linuxpark 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];