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path: root/drivers/infiniband/hw/ipath/ipath_iba7220.c
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Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_iba7220.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_iba7220.c2631
1 files changed, 0 insertions, 2631 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
deleted file mode 100644
index 34b778ed97fc..000000000000
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ /dev/null
@@ -1,2631 +0,0 @@
-/*
- * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
- * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * This file contains all of the code that is specific to the
- * InfiniPath 7220 chip (except that specific to the SerDes)
- */
-
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <rdma/ib_verbs.h>
-
-#include "ipath_kernel.h"
-#include "ipath_registers.h"
-#include "ipath_7220.h"
-
-static void ipath_setup_7220_setextled(struct ipath_devdata *, u64, u64);
-
-static unsigned ipath_compat_ddr_negotiate = 1;
-
-module_param_named(compat_ddr_negotiate, ipath_compat_ddr_negotiate, uint,
- S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(compat_ddr_negotiate,
- "Attempt pre-IBTA 1.2 DDR speed negotiation");
-
-static unsigned ipath_sdma_fetch_arb = 1;
-module_param_named(fetch_arb, ipath_sdma_fetch_arb, uint, S_IRUGO);
-MODULE_PARM_DESC(fetch_arb, "IBA7220: change SDMA descriptor arbitration");
-
-/*
- * This file contains almost all the chip-specific register information and
- * access functions for the QLogic InfiniPath 7220 PCI-Express chip, with the
- * exception of SerDes support, which in in ipath_sd7220.c.
- *
- * This lists the InfiniPath registers, in the actual chip layout.
- * This structure should never be directly accessed.
- */
-struct _infinipath_do_not_use_kernel_regs {
- unsigned long long Revision;
- unsigned long long Control;
- unsigned long long PageAlign;
- unsigned long long PortCnt;
- unsigned long long DebugPortSelect;
- unsigned long long DebugSigsIntSel; /* was Reserved0;*/
- unsigned long long SendRegBase;
- unsigned long long UserRegBase;
- unsigned long long CounterRegBase;
- unsigned long long Scratch;
- unsigned long long EEPROMAddrCmd; /* was Reserved1; */
- unsigned long long EEPROMData; /* was Reserved2; */
- unsigned long long IntBlocked;
- unsigned long long IntMask;
- unsigned long long IntStatus;
- unsigned long long IntClear;
- unsigned long long ErrorMask;
- unsigned long long ErrorStatus;
- unsigned long long ErrorClear;
- unsigned long long HwErrMask;
- unsigned long long HwErrStatus;
- unsigned long long HwErrClear;
- unsigned long long HwDiagCtrl;
- unsigned long long MDIO;
- unsigned long long IBCStatus;
- unsigned long long IBCCtrl;
- unsigned long long ExtStatus;
- unsigned long long ExtCtrl;
- unsigned long long GPIOOut;
- unsigned long long GPIOMask;
- unsigned long long GPIOStatus;
- unsigned long long GPIOClear;
- unsigned long long RcvCtrl;
- unsigned long long RcvBTHQP;
- unsigned long long RcvHdrSize;
- unsigned long long RcvHdrCnt;
- unsigned long long RcvHdrEntSize;
- unsigned long long RcvTIDBase;
- unsigned long long RcvTIDCnt;
- unsigned long long RcvEgrBase;
- unsigned long long RcvEgrCnt;
- unsigned long long RcvBufBase;
- unsigned long long RcvBufSize;
- unsigned long long RxIntMemBase;
- unsigned long long RxIntMemSize;
- unsigned long long RcvPartitionKey;
- unsigned long long RcvQPMulticastPort;
- unsigned long long RcvPktLEDCnt;
- unsigned long long IBCDDRCtrl;
- unsigned long long HRTBT_GUID;
- unsigned long long IB_SDTEST_IF_TX;
- unsigned long long IB_SDTEST_IF_RX;
- unsigned long long IBCDDRCtrl2;
- unsigned long long IBCDDRStatus;
- unsigned long long JIntReload;
- unsigned long long IBNCModeCtrl;
- unsigned long long SendCtrl;
- unsigned long long SendBufBase;
- unsigned long long SendBufSize;
- unsigned long long SendBufCnt;
- unsigned long long SendAvailAddr;
- unsigned long long TxIntMemBase;
- unsigned long long TxIntMemSize;
- unsigned long long SendDmaBase;
- unsigned long long SendDmaLenGen;
- unsigned long long SendDmaTail;
- unsigned long long SendDmaHead;
- unsigned long long SendDmaHeadAddr;
- unsigned long long SendDmaBufMask0;
- unsigned long long SendDmaBufMask1;
- unsigned long long SendDmaBufMask2;
- unsigned long long SendDmaStatus;
- unsigned long long SendBufferError;
- unsigned long long SendBufferErrorCONT1;
- unsigned long long SendBufErr2; /* was Reserved6SBE[0/6] */
- unsigned long long Reserved6L[2];
- unsigned long long AvailUpdCount;
- unsigned long long RcvHdrAddr0;
- unsigned long long RcvHdrAddrs[16]; /* Why enumerate? */
- unsigned long long Reserved7hdtl; /* Align next to 300 */
- unsigned long long RcvHdrTailAddr0; /* 300, like others */
- unsigned long long RcvHdrTailAddrs[16];
- unsigned long long Reserved9SW[7]; /* was [8]; we have 17 ports */
- unsigned long long IbsdEpbAccCtl; /* IB Serdes EPB access control */
- unsigned long long IbsdEpbTransReg; /* IB Serdes EPB Transaction */
- unsigned long long Reserved10sds; /* was SerdesStatus on */
- unsigned long long XGXSConfig;
- unsigned long long IBSerDesCtrl; /* Was IBPLLCfg on Monty */
- unsigned long long EEPCtlStat; /* for "boot" EEPROM/FLASH */
- unsigned long long EEPAddrCmd;
- unsigned long long EEPData;
- unsigned long long PcieEpbAccCtl;
- unsigned long long PcieEpbTransCtl;
- unsigned long long EfuseCtl; /* E-Fuse control */
- unsigned long long EfuseData[4];
- unsigned long long ProcMon;
- /* this chip moves following two from previous 200, 208 */
- unsigned long long PCIeRBufTestReg0;
- unsigned long long PCIeRBufTestReg1;
- /* added for this chip */
- unsigned long long PCIeRBufTestReg2;
- unsigned long long PCIeRBufTestReg3;
- /* added for this chip, debug only */
- unsigned long long SPC_JTAG_ACCESS_REG;
- unsigned long long LAControlReg;
- unsigned long long GPIODebugSelReg;
- unsigned long long DebugPortValueReg;
- /* added for this chip, DMA */
- unsigned long long SendDmaBufUsed[3];
- unsigned long long SendDmaReqTagUsed;
- /*
- * added for this chip, EFUSE: note that these program 64-bit
- * words 2 and 3 */
- unsigned long long efuse_pgm_data[2];
- unsigned long long Reserved11LAalign[10]; /* Skip 4B0..4F8 */
- /* we have 30 regs for DDS and RXEQ in IB SERDES */
- unsigned long long SerDesDDSRXEQ[30];
- unsigned long long Reserved12LAalign[2]; /* Skip 5F0, 5F8 */
- /* added for LA debug support */
- unsigned long long LAMemory[32];
-};
-
-struct _infinipath_do_not_use_counters {
- __u64 LBIntCnt;
- __u64 LBFlowStallCnt;
- __u64 TxSDmaDescCnt; /* was Reserved1 */
- __u64 TxUnsupVLErrCnt;
- __u64 TxDataPktCnt;
- __u64 TxFlowPktCnt;
- __u64 TxDwordCnt;
- __u64 TxLenErrCnt;
- __u64 TxMaxMinLenErrCnt;
- __u64 TxUnderrunCnt;
- __u64 TxFlowStallCnt;
- __u64 TxDroppedPktCnt;
- __u64 RxDroppedPktCnt;
- __u64 RxDataPktCnt;
- __u64 RxFlowPktCnt;
- __u64 RxDwordCnt;
- __u64 RxLenErrCnt;
- __u64 RxMaxMinLenErrCnt;
- __u64 RxICRCErrCnt;
- __u64 RxVCRCErrCnt;
- __u64 RxFlowCtrlErrCnt;
- __u64 RxBadFormatCnt;
- __u64 RxLinkProblemCnt;
- __u64 RxEBPCnt;
- __u64 RxLPCRCErrCnt;
- __u64 RxBufOvflCnt;
- __u64 RxTIDFullErrCnt;
- __u64 RxTIDValidErrCnt;
- __u64 RxPKeyMismatchCnt;
- __u64 RxP0HdrEgrOvflCnt;
- __u64 RxP1HdrEgrOvflCnt;
- __u64 RxP2HdrEgrOvflCnt;
- __u64 RxP3HdrEgrOvflCnt;
- __u64 RxP4HdrEgrOvflCnt;
- __u64 RxP5HdrEgrOvflCnt;
- __u64 RxP6HdrEgrOvflCnt;
- __u64 RxP7HdrEgrOvflCnt;
- __u64 RxP8HdrEgrOvflCnt;
- __u64 RxP9HdrEgrOvflCnt; /* was Reserved6 */
- __u64 RxP10HdrEgrOvflCnt; /* was Reserved7 */
- __u64 RxP11HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 RxP12HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 RxP13HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 RxP14HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 RxP15HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 RxP16HdrEgrOvflCnt; /* new for IBA7220 */
- __u64 IBStatusChangeCnt;
- __u64 IBLinkErrRecoveryCnt;
- __u64 IBLinkDownedCnt;
- __u64 IBSymbolErrCnt;
- /* The following are new for IBA7220 */
- __u64 RxVL15DroppedPktCnt;
- __u64 RxOtherLocalPhyErrCnt;
- __u64 PcieRetryBufDiagQwordCnt;
- __u64 ExcessBufferOvflCnt;
- __u64 LocalLinkIntegrityErrCnt;
- __u64 RxVlErrCnt;
- __u64 RxDlidFltrCnt;
- __u64 Reserved8[7];
- __u64 PSStat;
- __u64 PSStart;
- __u64 PSInterval;
- __u64 PSRcvDataCount;
- __u64 PSRcvPktsCount;
- __u64 PSXmitDataCount;
- __u64 PSXmitPktsCount;
- __u64 PSXmitWaitCount;
-};
-
-#define IPATH_KREG_OFFSET(field) (offsetof( \
- struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
-#define IPATH_CREG_OFFSET(field) (offsetof( \
- struct _infinipath_do_not_use_counters, field) / sizeof(u64))
-
-static const struct ipath_kregs ipath_7220_kregs = {
- .kr_control = IPATH_KREG_OFFSET(Control),
- .kr_counterregbase = IPATH_KREG_OFFSET(CounterRegBase),
- .kr_debugportselect = IPATH_KREG_OFFSET(DebugPortSelect),
- .kr_errorclear = IPATH_KREG_OFFSET(ErrorClear),
- .kr_errormask = IPATH_KREG_OFFSET(ErrorMask),
- .kr_errorstatus = IPATH_KREG_OFFSET(ErrorStatus),
- .kr_extctrl = IPATH_KREG_OFFSET(ExtCtrl),
- .kr_extstatus = IPATH_KREG_OFFSET(ExtStatus),
- .kr_gpio_clear = IPATH_KREG_OFFSET(GPIOClear),
- .kr_gpio_mask = IPATH_KREG_OFFSET(GPIOMask),
- .kr_gpio_out = IPATH_KREG_OFFSET(GPIOOut),
- .kr_gpio_status = IPATH_KREG_OFFSET(GPIOStatus),
- .kr_hwdiagctrl = IPATH_KREG_OFFSET(HwDiagCtrl),
- .kr_hwerrclear = IPATH_KREG_OFFSET(HwErrClear),
- .kr_hwerrmask = IPATH_KREG_OFFSET(HwErrMask),
- .kr_hwerrstatus = IPATH_KREG_OFFSET(HwErrStatus),
- .kr_ibcctrl = IPATH_KREG_OFFSET(IBCCtrl),
- .kr_ibcstatus = IPATH_KREG_OFFSET(IBCStatus),
- .kr_intblocked = IPATH_KREG_OFFSET(IntBlocked),
- .kr_intclear = IPATH_KREG_OFFSET(IntClear),
- .kr_intmask = IPATH_KREG_OFFSET(IntMask),
- .kr_intstatus = IPATH_KREG_OFFSET(IntStatus),
- .kr_mdio = IPATH_KREG_OFFSET(MDIO),
- .kr_pagealign = IPATH_KREG_OFFSET(PageAlign),
- .kr_partitionkey = IPATH_KREG_OFFSET(RcvPartitionKey),
- .kr_portcnt = IPATH_KREG_OFFSET(PortCnt),
- .kr_rcvbthqp = IPATH_KREG_OFFSET(RcvBTHQP),
- .kr_rcvbufbase = IPATH_KREG_OFFSET(RcvBufBase),
- .kr_rcvbufsize = IPATH_KREG_OFFSET(RcvBufSize),
- .kr_rcvctrl = IPATH_KREG_OFFSET(RcvCtrl),
- .kr_rcvegrbase = IPATH_KREG_OFFSET(RcvEgrBase),
- .kr_rcvegrcnt = IPATH_KREG_OFFSET(RcvEgrCnt),
- .kr_rcvhdrcnt = IPATH_KREG_OFFSET(RcvHdrCnt),
- .kr_rcvhdrentsize = IPATH_KREG_OFFSET(RcvHdrEntSize),
- .kr_rcvhdrsize = IPATH_KREG_OFFSET(RcvHdrSize),
- .kr_rcvintmembase = IPATH_KREG_OFFSET(RxIntMemBase),
- .kr_rcvintmemsize = IPATH_KREG_OFFSET(RxIntMemSize),
- .kr_rcvtidbase = IPATH_KREG_OFFSET(RcvTIDBase),
- .kr_rcvtidcnt = IPATH_KREG_OFFSET(RcvTIDCnt),
- .kr_revision = IPATH_KREG_OFFSET(Revision),
- .kr_scratch = IPATH_KREG_OFFSET(Scratch),
- .kr_sendbuffererror = IPATH_KREG_OFFSET(SendBufferError),
- .kr_sendctrl = IPATH_KREG_OFFSET(SendCtrl),
- .kr_sendpioavailaddr = IPATH_KREG_OFFSET(SendAvailAddr),
- .kr_sendpiobufbase = IPATH_KREG_OFFSET(SendBufBase),
- .kr_sendpiobufcnt = IPATH_KREG_OFFSET(SendBufCnt),
- .kr_sendpiosize = IPATH_KREG_OFFSET(SendBufSize),
- .kr_sendregbase = IPATH_KREG_OFFSET(SendRegBase),
- .kr_txintmembase = IPATH_KREG_OFFSET(TxIntMemBase),
- .kr_txintmemsize = IPATH_KREG_OFFSET(TxIntMemSize),
- .kr_userregbase = IPATH_KREG_OFFSET(UserRegBase),
-
- .kr_xgxsconfig = IPATH_KREG_OFFSET(XGXSConfig),
-
- /* send dma related regs */
- .kr_senddmabase = IPATH_KREG_OFFSET(SendDmaBase),
- .kr_senddmalengen = IPATH_KREG_OFFSET(SendDmaLenGen),
- .kr_senddmatail = IPATH_KREG_OFFSET(SendDmaTail),
- .kr_senddmahead = IPATH_KREG_OFFSET(SendDmaHead),
- .kr_senddmaheadaddr = IPATH_KREG_OFFSET(SendDmaHeadAddr),
- .kr_senddmabufmask0 = IPATH_KREG_OFFSET(SendDmaBufMask0),
- .kr_senddmabufmask1 = IPATH_KREG_OFFSET(SendDmaBufMask1),
- .kr_senddmabufmask2 = IPATH_KREG_OFFSET(SendDmaBufMask2),
- .kr_senddmastatus = IPATH_KREG_OFFSET(SendDmaStatus),
-
- /* SerDes related regs */
- .kr_ibserdesctrl = IPATH_KREG_OFFSET(IBSerDesCtrl),
- .kr_ib_epbacc = IPATH_KREG_OFFSET(IbsdEpbAccCtl),
- .kr_ib_epbtrans = IPATH_KREG_OFFSET(IbsdEpbTransReg),
- .kr_pcie_epbacc = IPATH_KREG_OFFSET(PcieEpbAccCtl),
- .kr_pcie_epbtrans = IPATH_KREG_OFFSET(PcieEpbTransCtl),
- .kr_ib_ddsrxeq = IPATH_KREG_OFFSET(SerDesDDSRXEQ),
-
- /*
- * These should not be used directly via ipath_read_kreg64(),
- * use them with ipath_read_kreg64_port()
- */
- .kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
- .kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
-
- /*
- * The rcvpktled register controls one of the debug port signals, so
- * a packet activity LED can be connected to it.
- */
- .kr_rcvpktledcnt = IPATH_KREG_OFFSET(RcvPktLEDCnt),
- .kr_pcierbuftestreg0 = IPATH_KREG_OFFSET(PCIeRBufTestReg0),
- .kr_pcierbuftestreg1 = IPATH_KREG_OFFSET(PCIeRBufTestReg1),
-
- .kr_hrtbt_guid = IPATH_KREG_OFFSET(HRTBT_GUID),
- .kr_ibcddrctrl = IPATH_KREG_OFFSET(IBCDDRCtrl),
- .kr_ibcddrstatus = IPATH_KREG_OFFSET(IBCDDRStatus),
- .kr_jintreload = IPATH_KREG_OFFSET(JIntReload)
-};
-
-static const struct ipath_cregs ipath_7220_cregs = {
- .cr_badformatcnt = IPATH_CREG_OFFSET(RxBadFormatCnt),
- .cr_erricrccnt = IPATH_CREG_OFFSET(RxICRCErrCnt),
- .cr_errlinkcnt = IPATH_CREG_OFFSET(RxLinkProblemCnt),
- .cr_errlpcrccnt = IPATH_CREG_OFFSET(RxLPCRCErrCnt),
- .cr_errpkey = IPATH_CREG_OFFSET(RxPKeyMismatchCnt),
- .cr_errrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowCtrlErrCnt),
- .cr_err_rlencnt = IPATH_CREG_OFFSET(RxLenErrCnt),
- .cr_errslencnt = IPATH_CREG_OFFSET(TxLenErrCnt),
- .cr_errtidfull = IPATH_CREG_OFFSET(RxTIDFullErrCnt),
- .cr_errtidvalid = IPATH_CREG_OFFSET(RxTIDValidErrCnt),
- .cr_errvcrccnt = IPATH_CREG_OFFSET(RxVCRCErrCnt),
- .cr_ibstatuschange = IPATH_CREG_OFFSET(IBStatusChangeCnt),
- .cr_intcnt = IPATH_CREG_OFFSET(LBIntCnt),
- .cr_invalidrlencnt = IPATH_CREG_OFFSET(RxMaxMinLenErrCnt),
- .cr_invalidslencnt = IPATH_CREG_OFFSET(TxMaxMinLenErrCnt),
- .cr_lbflowstallcnt = IPATH_CREG_OFFSET(LBFlowStallCnt),
- .cr_pktrcvcnt = IPATH_CREG_OFFSET(RxDataPktCnt),
- .cr_pktrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowPktCnt),
- .cr_pktsendcnt = IPATH_CREG_OFFSET(TxDataPktCnt),
- .cr_pktsendflowcnt = IPATH_CREG_OFFSET(TxFlowPktCnt),
- .cr_portovflcnt = IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt),
- .cr_rcvebpcnt = IPATH_CREG_OFFSET(RxEBPCnt),
- .cr_rcvovflcnt = IPATH_CREG_OFFSET(RxBufOvflCnt),
- .cr_senddropped = IPATH_CREG_OFFSET(TxDroppedPktCnt),
- .cr_sendstallcnt = IPATH_CREG_OFFSET(TxFlowStallCnt),
- .cr_sendunderruncnt = IPATH_CREG_OFFSET(TxUnderrunCnt),
- .cr_wordrcvcnt = IPATH_CREG_OFFSET(RxDwordCnt),
- .cr_wordsendcnt = IPATH_CREG_OFFSET(TxDwordCnt),
- .cr_unsupvlcnt = IPATH_CREG_OFFSET(TxUnsupVLErrCnt),
- .cr_rxdroppktcnt = IPATH_CREG_OFFSET(RxDroppedPktCnt),
- .cr_iblinkerrrecovcnt = IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt),
- .cr_iblinkdowncnt = IPATH_CREG_OFFSET(IBLinkDownedCnt),
- .cr_ibsymbolerrcnt = IPATH_CREG_OFFSET(IBSymbolErrCnt),
- .cr_vl15droppedpktcnt = IPATH_CREG_OFFSET(RxVL15DroppedPktCnt),
- .cr_rxotherlocalphyerrcnt =
- IPATH_CREG_OFFSET(RxOtherLocalPhyErrCnt),
- .cr_excessbufferovflcnt = IPATH_CREG_OFFSET(ExcessBufferOvflCnt),
- .cr_locallinkintegrityerrcnt =
- IPATH_CREG_OFFSET(LocalLinkIntegrityErrCnt),
- .cr_rxvlerrcnt = IPATH_CREG_OFFSET(RxVlErrCnt),
- .cr_rxdlidfltrcnt = IPATH_CREG_OFFSET(RxDlidFltrCnt),
- .cr_psstat = IPATH_CREG_OFFSET(PSStat),
- .cr_psstart = IPATH_CREG_OFFSET(PSStart),
- .cr_psinterval = IPATH_CREG_OFFSET(PSInterval),
- .cr_psrcvdatacount = IPATH_CREG_OFFSET(PSRcvDataCount),
- .cr_psrcvpktscount = IPATH_CREG_OFFSET(PSRcvPktsCount),
- .cr_psxmitdatacount = IPATH_CREG_OFFSET(PSXmitDataCount),
- .cr_psxmitpktscount = IPATH_CREG_OFFSET(PSXmitPktsCount),
- .cr_psxmitwaitcount = IPATH_CREG_OFFSET(PSXmitWaitCount),
-};
-
-/* kr_control bits */
-#define INFINIPATH_C_RESET (1U<<7)
-
-/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_MASK ((1ULL<<17)-1)
-#define INFINIPATH_I_RCVURG_SHIFT 32
-#define INFINIPATH_I_RCVAVAIL_MASK ((1ULL<<17)-1)
-#define INFINIPATH_I_RCVAVAIL_SHIFT 0
-#define INFINIPATH_I_SERDESTRIMDONE (1ULL<<27)
-
-/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK 0x00000000000000ffULL
-#define INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT 0
-#define INFINIPATH_HWE_PCIEPOISONEDTLP 0x0000000010000000ULL
-#define INFINIPATH_HWE_PCIECPLTIMEOUT 0x0000000020000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXTLH 0x0000000040000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYXADM 0x0000000080000000ULL
-#define INFINIPATH_HWE_PCIEBUSPARITYRADM 0x0000000100000000ULL
-#define INFINIPATH_HWE_COREPLL_FBSLIP 0x0080000000000000ULL
-#define INFINIPATH_HWE_COREPLL_RFSLIP 0x0100000000000000ULL
-#define INFINIPATH_HWE_PCIE1PLLFAILED 0x0400000000000000ULL
-#define INFINIPATH_HWE_PCIE0PLLFAILED 0x0800000000000000ULL
-#define INFINIPATH_HWE_SERDESPLLFAILED 0x1000000000000000ULL
-/* specific to this chip */
-#define INFINIPATH_HWE_PCIECPLDATAQUEUEERR 0x0000000000000040ULL
-#define INFINIPATH_HWE_PCIECPLHDRQUEUEERR 0x0000000000000080ULL
-#define INFINIPATH_HWE_SDMAMEMREADERR 0x0000000010000000ULL
-#define INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED 0x2000000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT 0x0100000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT 0x0200000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT 0x0400000000000000ULL
-#define INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT 0x0800000000000000ULL
-#define INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR 0x0000008000000000ULL
-#define INFINIPATH_HWE_IB_UC_MEMORYPARITYERR 0x0000004000000000ULL
-#define INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR 0x0000001000000000ULL
-#define INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR 0x0000002000000000ULL
-
-#define IBA7220_IBCS_LINKTRAININGSTATE_MASK 0x1F
-#define IBA7220_IBCS_LINKSTATE_SHIFT 5
-#define IBA7220_IBCS_LINKSPEED_SHIFT 8
-#define IBA7220_IBCS_LINKWIDTH_SHIFT 9
-
-#define IBA7220_IBCC_LINKINITCMD_MASK 0x7ULL
-#define IBA7220_IBCC_LINKCMD_SHIFT 19
-#define IBA7220_IBCC_MAXPKTLEN_SHIFT 21
-
-/* kr_ibcddrctrl bits */
-#define IBA7220_IBC_DLIDLMC_MASK 0xFFFFFFFFUL
-#define IBA7220_IBC_DLIDLMC_SHIFT 32
-#define IBA7220_IBC_HRTBT_MASK 3
-#define IBA7220_IBC_HRTBT_SHIFT 16
-#define IBA7220_IBC_HRTBT_ENB 0x10000UL
-#define IBA7220_IBC_LANE_REV_SUPPORTED (1<<8)
-#define IBA7220_IBC_LREV_MASK 1
-#define IBA7220_IBC_LREV_SHIFT 8
-#define IBA7220_IBC_RXPOL_MASK 1
-#define IBA7220_IBC_RXPOL_SHIFT 7
-#define IBA7220_IBC_WIDTH_SHIFT 5
-#define IBA7220_IBC_WIDTH_MASK 0x3
-#define IBA7220_IBC_WIDTH_1X_ONLY (0<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_WIDTH_4X_ONLY (1<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_WIDTH_AUTONEG (2<<IBA7220_IBC_WIDTH_SHIFT)
-#define IBA7220_IBC_SPEED_AUTONEG (1<<1)
-#define IBA7220_IBC_SPEED_SDR (1<<2)
-#define IBA7220_IBC_SPEED_DDR (1<<3)
-#define IBA7220_IBC_SPEED_AUTONEG_MASK (0x7<<1)
-#define IBA7220_IBC_IBTA_1_2_MASK (1)
-
-/* kr_ibcddrstatus */
-/* link latency shift is 0, don't bother defining */
-#define IBA7220_DDRSTAT_LINKLAT_MASK 0x3ffffff
-
-/* kr_extstatus bits */
-#define INFINIPATH_EXTS_FREQSEL 0x2
-#define INFINIPATH_EXTS_SERDESSEL 0x4
-#define INFINIPATH_EXTS_MEMBIST_ENDTEST 0x0000000000004000
-#define INFINIPATH_EXTS_MEMBIST_DISABLED 0x0000000000008000
-
-/* kr_xgxsconfig bits */
-#define INFINIPATH_XGXS_RESET 0x5ULL
-#define INFINIPATH_XGXS_FC_SAFE (1ULL<<63)
-
-/* kr_rcvpktledcnt */
-#define IBA7220_LEDBLINK_ON_SHIFT 32 /* 4ns period on after packet */
-#define IBA7220_LEDBLINK_OFF_SHIFT 0 /* 4ns period off before next on */
-
-#define _IPATH_GPIO_SDA_NUM 1
-#define _IPATH_GPIO_SCL_NUM 0
-
-#define IPATH_GPIO_SDA (1ULL << \
- (_IPATH_GPIO_SDA_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-#define IPATH_GPIO_SCL (1ULL << \
- (_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
-
-#define IBA7220_R_INTRAVAIL_SHIFT 17
-#define IBA7220_R_TAILUPD_SHIFT 35
-#define IBA7220_R_PORTCFG_SHIFT 36
-
-#define INFINIPATH_JINT_PACKETSHIFT 16
-#define INFINIPATH_JINT_DEFAULT_IDLE_TICKS 0
-#define INFINIPATH_JINT_DEFAULT_MAX_PACKETS 0
-
-#define IBA7220_HDRHEAD_PKTINT_SHIFT 32 /* interrupt cnt in upper 32 bits */
-
-/*
- * the size bits give us 2^N, in KB units. 0 marks as invalid,
- * and 7 is reserved. We currently use only 2KB and 4KB
- */
-#define IBA7220_TID_SZ_SHIFT 37 /* shift to 3bit size selector */
-#define IBA7220_TID_SZ_2K (1UL<<IBA7220_TID_SZ_SHIFT) /* 2KB */
-#define IBA7220_TID_SZ_4K (2UL<<IBA7220_TID_SZ_SHIFT) /* 4KB */
-#define IBA7220_TID_PA_SHIFT 11U /* TID addr in chip stored w/o low bits */
-
-#define IPATH_AUTONEG_TRIES 5 /* sequential retries to negotiate DDR */
-
-static char int_type[16] = "auto";
-module_param_string(interrupt_type, int_type, sizeof(int_type), 0444);
-MODULE_PARM_DESC(int_type, " interrupt_type=auto|force_msi|force_intx");
-
-/* packet rate matching delay; chip has support */
-static u8 rate_to_delay[2][2] = {
- /* 1x, 4x */
- { 8, 2 }, /* SDR */
- { 4, 1 } /* DDR */
-};
-
-/* 7220 specific hardware errors... */
-static const struct ipath_hwerror_msgs ipath_7220_hwerror_msgs[] = {
- INFINIPATH_HWE_MSG(PCIEPOISONEDTLP, "PCIe Poisoned TLP"),
- INFINIPATH_HWE_MSG(PCIECPLTIMEOUT, "PCIe completion timeout"),
- /*
- * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
- * parity or memory parity error failures, because most likely we
- * won't be able to talk to the core of the chip. Nonetheless, we
- * might see them, if they are in parts of the PCIe core that aren't
- * essential.
- */
- INFINIPATH_HWE_MSG(PCIE1PLLFAILED, "PCIePLL1"),
- INFINIPATH_HWE_MSG(PCIE0PLLFAILED, "PCIePLL0"),
- INFINIPATH_HWE_MSG(PCIEBUSPARITYXTLH, "PCIe XTLH core parity"),
- INFINIPATH_HWE_MSG(PCIEBUSPARITYXADM, "PCIe ADM TX core parity"),
- INFINIPATH_HWE_MSG(PCIEBUSPARITYRADM, "PCIe ADM RX core parity"),
- INFINIPATH_HWE_MSG(RXDSYNCMEMPARITYERR, "Rx Dsync"),
- INFINIPATH_HWE_MSG(SERDESPLLFAILED, "SerDes PLL"),
- INFINIPATH_HWE_MSG(PCIECPLDATAQUEUEERR, "PCIe cpl header queue"),
- INFINIPATH_HWE_MSG(PCIECPLHDRQUEUEERR, "PCIe cpl data queue"),
- INFINIPATH_HWE_MSG(SDMAMEMREADERR, "Send DMA memory read"),
- INFINIPATH_HWE_MSG(CLK_UC_PLLNOTLOCKED, "uC PLL clock not locked"),
- INFINIPATH_HWE_MSG(PCIESERDESQ0PCLKNOTDETECT,
- "PCIe serdes Q0 no clock"),
- INFINIPATH_HWE_MSG(PCIESERDESQ1PCLKNOTDETECT,
- "PCIe serdes Q1 no clock"),
- INFINIPATH_HWE_MSG(PCIESERDESQ2PCLKNOTDETECT,
- "PCIe serdes Q2 no clock"),
- INFINIPATH_HWE_MSG(PCIESERDESQ3PCLKNOTDETECT,
- "PCIe serdes Q3 no clock"),
- INFINIPATH_HWE_MSG(DDSRXEQMEMORYPARITYERR,
- "DDS RXEQ memory parity"),
- INFINIPATH_HWE_MSG(IB_UC_MEMORYPARITYERR, "IB uC memory parity"),
- INFINIPATH_HWE_MSG(PCIE_UC_OCT0MEMORYPARITYERR,
- "PCIe uC oct0 memory parity"),
- INFINIPATH_HWE_MSG(PCIE_UC_OCT1MEMORYPARITYERR,
- "PCIe uC oct1 memory parity"),
-};
-
-static void autoneg_work(struct work_struct *);
-
-/*
- * the offset is different for different configured port numbers, since
- * port0 is fixed in size, but others can vary. Make it a function to
- * make the issue more obvious.
-*/
-static inline u32 port_egrtid_idx(struct ipath_devdata *dd, unsigned port)
-{
- return port ? dd->ipath_p0_rcvegrcnt +
- (port-1) * dd->ipath_rcvegrcnt : 0;
-}
-
-static void ipath_7220_txe_recover(struct ipath_devdata *dd)
-{
- ++ipath_stats.sps_txeparity;
-
- dev_info(&dd->pcidev->dev,
- "Recovering from TXE PIO parity error\n");
- ipath_disarm_senderrbufs(dd);
-}
-
-
-/**
- * ipath_7220_handle_hwerrors - display hardware errors.
- * @dd: the infinipath device
- * @msg: the output buffer
- * @msgl: the size of the output buffer
- *
- * Use same msg buffer as regular errors to avoid excessive stack
- * use. Most hardware errors are catastrophic, but for right now,
- * we'll print them and continue. We reuse the same message buffer as
- * ipath_handle_errors() to avoid excessive stack usage.
- */
-static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
- size_t msgl)
-{
- ipath_err_t hwerrs;
- u32 bits, ctrl;
- int isfatal = 0;
- char bitsmsg[64];
- int log_idx;
-
- hwerrs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
- if (!hwerrs) {
- /*
- * better than printing cofusing messages
- * This seems to be related to clearing the crc error, or
- * the pll error during init.
- */
- ipath_cdbg(VERBOSE, "Called but no hardware errors set\n");
- goto bail;
- } else if (hwerrs == ~0ULL) {
- ipath_dev_err(dd, "Read of hardware error status failed "
- "(all bits set); ignoring\n");
- goto bail;
- }
- ipath_stats.sps_hwerrs++;
-
- /*
- * Always clear the error status register, except MEMBISTFAIL,
- * regardless of whether we continue or stop using the chip.
- * We want that set so we know it failed, even across driver reload.
- * We'll still ignore it in the hwerrmask. We do this partly for
- * diagnostics, but also for support.
- */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
- hwerrs&~INFINIPATH_HWE_MEMBISTFAILED);
-
- hwerrs &= dd->ipath_hwerrmask;
-
- /* We log some errors to EEPROM, check if we have any of those. */
- for (log_idx = 0; log_idx < IPATH_EEP_LOG_CNT; ++log_idx)
- if (hwerrs & dd->ipath_eep_st_masks[log_idx].hwerrs_to_log)
- ipath_inc_eeprom_err(dd, log_idx, 1);
- /*
- * Make sure we get this much out, unless told to be quiet,
- * or it's occurred within the last 5 seconds.
- */
- if ((hwerrs & ~(dd->ipath_lasthwerror |
- ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT))) ||
- (ipath_debug & __IPATH_VERBDBG))
- dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
- "(cleared)\n", (unsigned long long) hwerrs);
- dd->ipath_lasthwerror |= hwerrs;
-
- if (hwerrs & ~dd->ipath_hwe_bitsextant)
- ipath_dev_err(dd, "hwerror interrupt with unknown errors "
- "%llx set\n", (unsigned long long)
- (hwerrs & ~dd->ipath_hwe_bitsextant));
-
- if (hwerrs & INFINIPATH_HWE_IB_UC_MEMORYPARITYERR)
- ipath_sd7220_clr_ibpar(dd);
-
- ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
- if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
- /*
- * Parity errors in send memory are recoverable by h/w
- * just do housekeeping, exit freeze mode and continue.
- */
- if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)) {
- ipath_7220_txe_recover(dd);
- hwerrs &= ~((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT);
- }
- if (hwerrs) {
- /*
- * If any set that we aren't ignoring only make the
- * complaint once, in case it's stuck or recurring,
- * and we get here multiple times
- * Force link down, so switch knows, and
- * LEDs are turned off.
- */
- if (dd->ipath_flags & IPATH_INITTED) {
- ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
- ipath_setup_7220_setextled(dd,
- INFINIPATH_IBCS_L_STATE_DOWN,
- INFINIPATH_IBCS_LT_STATE_DISABLED);
- ipath_dev_err(dd, "Fatal Hardware Error "
- "(freeze mode), no longer"
- " usable, SN %.16s\n",
- dd->ipath_serial);
- isfatal = 1;
- }
- /*
- * Mark as having had an error for driver, and also
- * for /sys and status word mapped to user programs.
- * This marks unit as not usable, until reset.
- */
- *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
- *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
- dd->ipath_flags &= ~IPATH_INITTED;
- } else {
- ipath_dbg("Clearing freezemode on ignored or "
- "recovered hardware error\n");
- ipath_clear_freeze(dd);
- }
- }
-
- *msg = '\0';
-
- if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
- strlcat(msg, "[Memory BIST test failed, "
- "InfiniPath hardware unusable]", msgl);
- /* ignore from now on, so disable until driver reloaded */
- *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
- dd->ipath_hwerrmask &= ~INFINIPATH_HWE_MEMBISTFAILED;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
- dd->ipath_hwerrmask);
- }
-
- ipath_format_hwerrors(hwerrs,
- ipath_7220_hwerror_msgs,
- ARRAY_SIZE(ipath_7220_hwerror_msgs),
- msg, msgl);
-
- if (hwerrs & (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK
- << INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT)) {
- bits = (u32) ((hwerrs >>
- INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) &
- INFINIPATH_HWE_PCIEMEMPARITYERR_MASK);
- snprintf(bitsmsg, sizeof bitsmsg,
- "[PCIe Mem Parity Errs %x] ", bits);
- strlcat(msg, bitsmsg, msgl);
- }
-
-#define _IPATH_PLL_FAIL (INFINIPATH_HWE_COREPLL_FBSLIP | \
- INFINIPATH_HWE_COREPLL_RFSLIP)
-
- if (hwerrs & _IPATH_PLL_FAIL) {
- snprintf(bitsmsg, sizeof bitsmsg,
- "[PLL failed (%llx), InfiniPath hardware unusable]",
- (unsigned long long) hwerrs & _IPATH_PLL_FAIL);
- strlcat(msg, bitsmsg, msgl);
- /* ignore from now on, so disable until driver reloaded */
- dd->ipath_hwerrmask &= ~(hwerrs & _IPATH_PLL_FAIL);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
- dd->ipath_hwerrmask);
- }
-
- if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
- /*
- * If it occurs, it is left masked since the eternal
- * interface is unused.
- */
- dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
- dd->ipath_hwerrmask);
- }
-
- ipath_dev_err(dd, "%s hardware error\n", msg);
- /*
- * For /sys status file. if no trailing } is copied, we'll
- * know it was truncated.
- */
- if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg)
- snprintf(dd->ipath_freezemsg, dd->ipath_freezelen,
- "{%s}", msg);
-bail:;
-}
-
-/**
- * ipath_7220_boardname - fill in the board name
- * @dd: the infinipath device
- * @name: the output buffer
- * @namelen: the size of the output buffer
- *
- * info is based on the board revision register
- */
-static int ipath_7220_boardname(struct ipath_devdata *dd, char *name,
- size_t namelen)
-{
- char *n = NULL;
- u8 boardrev = dd->ipath_boardrev;
- int ret;
-
- if (boardrev == 15) {
- /*
- * Emulator sometimes comes up all-ones, rather than zero.
- */
- boardrev = 0;
- dd->ipath_boardrev = boardrev;
- }
- switch (boardrev) {
- case 0:
- n = "InfiniPath_7220_Emulation";
- break;
- case 1:
- n = "InfiniPath_QLE7240";
- break;
- case 2:
- n = "InfiniPath_QLE7280";
- break;
- case 3:
- n = "InfiniPath_QLE7242";
- break;
- case 4:
- n = "InfiniPath_QEM7240";
- break;
- case 5:
- n = "InfiniPath_QMI7240";
- break;
- case 6:
- n = "InfiniPath_QMI7264";
- break;
- case 7:
- n = "InfiniPath_QMH7240";
- break;
- case 8:
- n = "InfiniPath_QME7240";
- break;
- case 9:
- n = "InfiniPath_QLE7250";
- break;
- case 10:
- n = "InfiniPath_QLE7290";
- break;
- case 11:
- n = "InfiniPath_QEM7250";
- break;
- case 12:
- n = "InfiniPath_QLE-Bringup";
- break;
- default:
- ipath_dev_err(dd,
- "Don't yet know about board with ID %u\n",
- boardrev);
- snprintf(name, namelen, "Unknown_InfiniPath_PCIe_%u",
- boardrev);
- break;
- }
- if (n)
- snprintf(name, namelen, "%s", n);
-
- if (dd->ipath_majrev != 5 || !dd->ipath_minrev ||
- dd->ipath_minrev > 2) {
- ipath_dev_err(dd, "Unsupported InfiniPath hardware "
- "revision %u.%u!\n",
- dd->ipath_majrev, dd->ipath_minrev);
- ret = 1;
- } else if (dd->ipath_minrev == 1 &&
- !(dd->ipath_flags & IPATH_INITTED)) {
- /* Rev1 chips are prototype. Complain at init, but allow use */
- ipath_dev_err(dd, "Unsupported hardware "
- "revision %u.%u, Contact support@qlogic.com\n",
- dd->ipath_majrev, dd->ipath_minrev);
- ret = 0;
- } else
- ret = 0;
-
- /*
- * Set here not in ipath_init_*_funcs because we have to do
- * it after we can read chip registers.
- */
- dd->ipath_ureg_align = 0x10000; /* 64KB alignment */
-
- return ret;
-}
-
-/**
- * ipath_7220_init_hwerrors - enable hardware errors
- * @dd: the infinipath device
- *
- * now that we have finished initializing everything that might reasonably
- * cause a hardware error, and cleared those errors bits as they occur,
- * we can enable hardware errors in the mask (potentially enabling
- * freeze mode), and enable hardware errors as errors (along with
- * everything else) in errormask
- */
-static void ipath_7220_init_hwerrors(struct ipath_devdata *dd)
-{
- ipath_err_t val;
- u64 extsval;
-
- extsval = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
-
- if (!(extsval & (INFINIPATH_EXTS_MEMBIST_ENDTEST |
- INFINIPATH_EXTS_MEMBIST_DISABLED)))
- ipath_dev_err(dd, "MemBIST did not complete!\n");
- if (extsval & INFINIPATH_EXTS_MEMBIST_DISABLED)
- dev_info(&dd->pcidev->dev, "MemBIST is disabled.\n");
-
- val = ~0ULL; /* barring bugs, all hwerrors become interrupts, */
-
- if (!dd->ipath_boardrev) /* no PLL for Emulator */
- val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
-
- if (dd->ipath_minrev == 1)
- val &= ~(1ULL << 42); /* TXE LaunchFIFO Parity rev1 issue */
-
- val &= ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR;
- dd->ipath_hwerrmask = val;
-
- /*
- * special trigger "error" is for debugging purposes. It
- * works around a processor/chipset problem. The error
- * interrupt allows us to count occurrences, but we don't
- * want to pay the overhead for normal use. Emulation only
- */
- if (!dd->ipath_boardrev)
- dd->ipath_maskederrs = INFINIPATH_E_SENDSPECIALTRIGGER;
-}
-
-/*
- * All detailed interaction with the SerDes has been moved to ipath_sd7220.c
- *
- * The portion of IBA7220-specific bringup_serdes() that actually deals with
- * registers and memory within the SerDes itself is ipath_sd7220_init().
- */
-
-/**
- * ipath_7220_bringup_serdes - bring up the serdes
- * @dd: the infinipath device
- */
-static int ipath_7220_bringup_serdes(struct ipath_devdata *dd)
-{
- int ret = 0;
- u64 val, prev_val, guid;
- int was_reset; /* Note whether uC was reset */
-
- ipath_dbg("Trying to bringup serdes\n");
-
- if (ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus) &
- INFINIPATH_HWE_SERDESPLLFAILED) {
- ipath_dbg("At start, serdes PLL failed bit set "
- "in hwerrstatus, clearing and continuing\n");
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
- INFINIPATH_HWE_SERDESPLLFAILED);
- }
-
- dd->ibdeltainprog = 1;
- dd->ibsymsnap =
- ipath_read_creg32(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
- dd->iblnkerrsnap =
- ipath_read_creg32(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
-
- if (!dd->ipath_ibcddrctrl) {
- /* not on re-init after reset */
- dd->ipath_ibcddrctrl =
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrctrl);
-
- if (dd->ipath_link_speed_enabled ==
- (IPATH_IB_SDR | IPATH_IB_DDR))
- dd->ipath_ibcddrctrl |=
- IBA7220_IBC_SPEED_AUTONEG_MASK |
- IBA7220_IBC_IBTA_1_2_MASK;
- else
- dd->ipath_ibcddrctrl |=
- dd->ipath_link_speed_enabled == IPATH_IB_DDR
- ? IBA7220_IBC_SPEED_DDR :
- IBA7220_IBC_SPEED_SDR;
- if ((dd->ipath_link_width_enabled & (IB_WIDTH_1X |
- IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X))
- dd->ipath_ibcddrctrl |= IBA7220_IBC_WIDTH_AUTONEG;
- else
- dd->ipath_ibcddrctrl |=
- dd->ipath_link_width_enabled == IB_WIDTH_4X
- ? IBA7220_IBC_WIDTH_4X_ONLY :
- IBA7220_IBC_WIDTH_1X_ONLY;
-
- /* always enable these on driver reload, not sticky */
- dd->ipath_ibcddrctrl |=
- IBA7220_IBC_RXPOL_MASK << IBA7220_IBC_RXPOL_SHIFT;
- dd->ipath_ibcddrctrl |=
- IBA7220_IBC_HRTBT_MASK << IBA7220_IBC_HRTBT_SHIFT;
- /*
- * automatic lane reversal detection for receive
- * doesn't work correctly in rev 1, so disable it
- * on that rev, otherwise enable (disabling not
- * sticky across reload for >rev1)
- */
- if (dd->ipath_minrev == 1)
- dd->ipath_ibcddrctrl &=
- ~IBA7220_IBC_LANE_REV_SUPPORTED;
- else
- dd->ipath_ibcddrctrl |=
- IBA7220_IBC_LANE_REV_SUPPORTED;
- }
-
- ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
- dd->ipath_ibcddrctrl);
-
- ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl), 0Ull);
-
- /* IBA7220 has SERDES MPU reset in D0 of what _was_ IBPLLCfg */
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
- /* remember if uC was in Reset or not, for dactrim */
- was_reset = (val & 1);
- ipath_cdbg(VERBOSE, "IBReset %s xgxsconfig %llx\n",
- was_reset ? "Asserted" : "Negated", (unsigned long long)
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
-
- if (dd->ipath_boardrev) {
- /*
- * Hardware is not emulator, and may have been reset. Init it.
- * Below will release reset, but needs to know if chip was
- * originally in reset, to only trim DACs on first time
- * after chip reset or powercycle (not driver reload)
- */
- ret = ipath_sd7220_init(dd, was_reset);
- }
-
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
- prev_val = val;
- val |= INFINIPATH_XGXS_FC_SAFE;
- if (val != prev_val) {
- ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- }
- if (val & INFINIPATH_XGXS_RESET)
- val &= ~INFINIPATH_XGXS_RESET;
- if (val != prev_val)
- ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-
- ipath_cdbg(VERBOSE, "done: xgxs=%llx from %llx\n",
- (unsigned long long)
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig),
- (unsigned long long) prev_val);
-
- guid = be64_to_cpu(dd->ipath_guid);
-
- if (!guid) {
- /* have to have something, so use likely unique tsc */
- guid = get_cycles();
- ipath_dbg("No GUID for heartbeat, faking %llx\n",
- (unsigned long long)guid);
- } else
- ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n",
- (unsigned long long) guid);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hrtbt_guid, guid);
- return ret;
-}
-
-static void ipath_7220_config_jint(struct ipath_devdata *dd,
- u16 idle_ticks, u16 max_packets)
-{
-
- /*
- * We can request a receive interrupt for 1 or more packets
- * from current offset.
- */
- if (idle_ticks == 0 || max_packets == 0)
- /* interrupt after one packet if no mitigation */
- dd->ipath_rhdrhead_intr_off =
- 1ULL << IBA7220_HDRHEAD_PKTINT_SHIFT;
- else
- /* Turn off RcvHdrHead interrupts if using mitigation */
- dd->ipath_rhdrhead_intr_off = 0ULL;
-
- /* refresh kernel RcvHdrHead registers... */
- ipath_write_ureg(dd, ur_rcvhdrhead,
- dd->ipath_rhdrhead_intr_off |
- dd->ipath_pd[0]->port_head, 0);
-
- dd->ipath_jint_max_packets = max_packets;
- dd->ipath_jint_idle_ticks = idle_ticks;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_jintreload,
- ((u64) max_packets << INFINIPATH_JINT_PACKETSHIFT) |
- idle_ticks);
-}
-
-/**
- * ipath_7220_quiet_serdes - set serdes to txidle
- * @dd: the infinipath device
- * Called when driver is being unloaded
- */
-static void ipath_7220_quiet_serdes(struct ipath_devdata *dd)
-{
- u64 val;
- if (dd->ibsymdelta || dd->iblnkerrdelta ||
- dd->ibdeltainprog) {
- u64 diagc;
- /* enable counter writes */
- diagc = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwdiagctrl);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl,
- diagc | INFINIPATH_DC_COUNTERWREN);
-
- if (dd->ibsymdelta || dd->ibdeltainprog) {
- val = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_ibsymbolerrcnt);
- if (dd->ibdeltainprog)
- val -= val - dd->ibsymsnap;
- val -= dd->ibsymdelta;
- ipath_write_creg(dd,
- dd->ipath_cregs->cr_ibsymbolerrcnt, val);
- }
- if (dd->iblnkerrdelta || dd->ibdeltainprog) {
- val = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_iblinkerrrecovcnt);
- if (dd->ibdeltainprog)
- val -= val - dd->iblnkerrsnap;
- val -= dd->iblnkerrdelta;
- ipath_write_creg(dd,
- dd->ipath_cregs->cr_iblinkerrrecovcnt, val);
- }
-
- /* and disable counter writes */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl, diagc);
- }
-
- dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
- wake_up(&dd->ipath_autoneg_wait);
- cancel_delayed_work(&dd->ipath_autoneg_work);
- flush_scheduled_work();
- ipath_shutdown_relock_poll(dd);
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
- val |= INFINIPATH_XGXS_RESET;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
-}
-
-static int ipath_7220_intconfig(struct ipath_devdata *dd)
-{
- ipath_7220_config_jint(dd, dd->ipath_jint_idle_ticks,
- dd->ipath_jint_max_packets);
- return 0;
-}
-
-/**
- * ipath_setup_7220_setextled - set the state of the two external LEDs
- * @dd: the infinipath device
- * @lst: the L state
- * @ltst: the LT state
- *
- * These LEDs indicate the physical and logical state of IB link.
- * For this chip (at least with recommended board pinouts), LED1
- * is Yellow (logical state) and LED2 is Green (physical state),
- *
- * Note: We try to match the Mellanox HCA LED behavior as best
- * we can. Green indicates physical link state is OK (something is
- * plugged in, and we can train).
- * Amber indicates the link is logically up (ACTIVE).
- * Mellanox further blinks the amber LED to indicate data packet
- * activity, but we have no hardware support for that, so it would
- * require waking up every 10-20 msecs and checking the counters
- * on the chip, and then turning the LED off if appropriate. That's
- * visible overhead, so not something we will do.
- *
- */
-static void ipath_setup_7220_setextled(struct ipath_devdata *dd, u64 lst,
- u64 ltst)
-{
- u64 extctl, ledblink = 0;
- unsigned long flags = 0;
-
- /* the diags use the LED to indicate diag info, so we leave
- * the external LED alone when the diags are running */
- if (ipath_diag_inuse)
- return;
-
- /* Allow override of LED display for, e.g. Locating system in rack */
- if (dd->ipath_led_override) {
- ltst = (dd->ipath_led_override & IPATH_LED_PHYS)
- ? INFINIPATH_IBCS_LT_STATE_LINKUP
- : INFINIPATH_IBCS_LT_STATE_DISABLED;
- lst = (dd->ipath_led_override & IPATH_LED_LOG)
- ? INFINIPATH_IBCS_L_STATE_ACTIVE
- : INFINIPATH_IBCS_L_STATE_DOWN;
- }
-
- spin_lock_irqsave(&dd->ipath_gpio_lock, flags);
- extctl = dd->ipath_extctrl & ~(INFINIPATH_EXTC_LED1PRIPORT_ON |
- INFINIPATH_EXTC_LED2PRIPORT_ON);
- if (ltst == INFINIPATH_IBCS_LT_STATE_LINKUP) {
- extctl |= INFINIPATH_EXTC_LED1PRIPORT_ON;
- /*
- * counts are in chip clock (4ns) periods.
- * This is 1/16 sec (66.6ms) on,
- * 3/16 sec (187.5 ms) off, with packets rcvd
- */
- ledblink = ((66600*1000UL/4) << IBA7220_LEDBLINK_ON_SHIFT)
- | ((187500*1000UL/4) << IBA7220_LEDBLINK_OFF_SHIFT);
- }
- if (lst == INFINIPATH_IBCS_L_STATE_ACTIVE)
- extctl |= INFINIPATH_EXTC_LED2PRIPORT_ON;
- dd->ipath_extctrl = extctl;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
- spin_unlock_irqrestore(&dd->ipath_gpio_lock, flags);
-
- if (ledblink) /* blink the LED on packet receive */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvpktledcnt,
- ledblink);
-}
-
-/*
- * Similar to pci_intx(pdev, 1), except that we make sure
- * msi is off...
- */
-static void ipath_enable_intx(struct pci_dev *pdev)
-{
- u16 cw, new;
- int pos;
-
- /* first, turn on INTx */
- pci_read_config_word(pdev, PCI_COMMAND, &cw);
- new = cw & ~PCI_COMMAND_INTX_DISABLE;
- if (new != cw)
- pci_write_config_word(pdev, PCI_COMMAND, new);
-
- /* then turn off MSI */
- pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
- if (pos) {
- pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
- new = cw & ~PCI_MSI_FLAGS_ENABLE;
- if (new != cw)
- pci_write_config_word(pdev, pos + PCI_MSI_FLAGS, new);
- }
-}
-
-static int ipath_msi_enabled(struct pci_dev *pdev)
-{
- int pos, ret = 0;
-
- pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
- if (pos) {
- u16 cw;
-
- pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
- ret = !!(cw & PCI_MSI_FLAGS_ENABLE);
- }
- return ret;
-}
-
-/*
- * disable msi interrupt if enabled, and clear the flag.
- * flag is used primarily for the fallback to INTx, but
- * is also used in reinit after reset as a flag.
- */
-static void ipath_7220_nomsi(struct ipath_devdata *dd)
-{
- dd->ipath_msi_lo = 0;
-
- if (ipath_msi_enabled(dd->pcidev)) {
- /*
- * free, but don't zero; later kernels require
- * it be freed before disable_msi, so the intx
- * setup has to request it again.
- */
- if (dd->ipath_irq)
- free_irq(dd->ipath_irq, dd);
- pci_disable_msi(dd->pcidev);
- }
-}
-
-/*
- * ipath_setup_7220_cleanup - clean up any per-chip chip-specific stuff
- * @dd: the infinipath device
- *
- * Nothing but msi interrupt cleanup for now.
- *
- * This is called during driver unload.
- */
-static void ipath_setup_7220_cleanup(struct ipath_devdata *dd)
-{
- ipath_7220_nomsi(dd);
-}
-
-
-static void ipath_7220_pcie_params(struct ipath_devdata *dd, u32 boardrev)
-{
- u16 linkstat, minwidth, speed;
- int pos;
-
- pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
- if (!pos) {
- ipath_dev_err(dd, "Can't find PCI Express capability!\n");
- goto bail;
- }
-
- pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
- &linkstat);
- /*
- * speed is bits 0-4, linkwidth is bits 4-8
- * no defines for them in headers
- */
- speed = linkstat & 0xf;
- linkstat >>= 4;
- linkstat &= 0x1f;
- dd->ipath_lbus_width = linkstat;
- switch (boardrev) {
- case 0:
- case 2:
- case 10:
- case 12:
- minwidth = 16; /* x16 capable boards */
- break;
- default:
- minwidth = 8; /* x8 capable boards */
- break;
- }
-
- switch (speed) {
- case 1:
- dd->ipath_lbus_speed = 2500; /* Gen1, 2.5GHz */
- break;
- case 2:
- dd->ipath_lbus_speed = 5000; /* Gen1, 5GHz */
- break;
- default: /* not defined, assume gen1 */
- dd->ipath_lbus_speed = 2500;
- break;
- }
-
- if (linkstat < minwidth)
- ipath_dev_err(dd,
- "PCIe width %u (x%u HCA), performance "
- "reduced\n", linkstat, minwidth);
- else
- ipath_cdbg(VERBOSE, "PCIe speed %u width %u (x%u HCA)\n",
- dd->ipath_lbus_speed, linkstat, minwidth);
-
- if (speed != 1)
- ipath_dev_err(dd,
- "PCIe linkspeed %u is incorrect; "
- "should be 1 (2500)!\n", speed);
-
-bail:
- /* fill in string, even on errors */
- snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
- "PCIe,%uMHz,x%u\n",
- dd->ipath_lbus_speed,
- dd->ipath_lbus_width);
- return;
-}
-
-
-/**
- * ipath_setup_7220_config - setup PCIe config related stuff
- * @dd: the infinipath device
- * @pdev: the PCI device
- *
- * The pci_enable_msi() call will fail on systems with MSI quirks
- * such as those with AMD8131, even if the device of interest is not
- * attached to that device, (in the 2.6.13 - 2.6.15 kernels, at least, fixed
- * late in 2.6.16).
- * All that can be done is to edit the kernel source to remove the quirk
- * check until that is fixed.
- * We do not need to call enable_msi() for our HyperTransport chip,
- * even though it uses MSI, and we want to avoid the quirk warning, so
- * So we call enable_msi only for PCIe. If we do end up needing
- * pci_enable_msi at some point in the future for HT, we'll move the
- * call back into the main init_one code.
- * We save the msi lo and hi values, so we can restore them after
- * chip reset (the kernel PCI infrastructure doesn't yet handle that
- * correctly).
- */
-static int ipath_setup_7220_config(struct ipath_devdata *dd,
- struct pci_dev *pdev)
-{
- int pos, ret = -1;
- u32 boardrev;
-
- dd->ipath_msi_lo = 0; /* used as a flag during reset processing */
-
- pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
- if (!strcmp(int_type, "force_msi") || !strcmp(int_type, "auto"))
- ret = pci_enable_msi(pdev);
- if (ret) {
- if (!strcmp(int_type, "force_msi")) {
- ipath_dev_err(dd, "pci_enable_msi failed: %d, "
- "force_msi is on, so not continuing.\n",
- ret);
- return ret;
- }
-
- ipath_enable_intx(pdev);
- if (!strcmp(int_type, "auto"))
- ipath_dev_err(dd, "pci_enable_msi failed: %d, "
- "falling back to INTx\n", ret);
- } else if (pos) {
- u16 control;
- pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_LO,
- &dd->ipath_msi_lo);
- pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_HI,
- &dd->ipath_msi_hi);
- pci_read_config_word(pdev, pos + PCI_MSI_FLAGS,
- &control);
- /* now save the data (vector) info */
- pci_read_config_word(pdev,
- pos + ((control & PCI_MSI_FLAGS_64BIT)
- ? PCI_MSI_DATA_64 :
- PCI_MSI_DATA_32),
- &dd->ipath_msi_data);
- } else
- ipath_dev_err(dd, "Can't find MSI capability, "
- "can't save MSI settings for reset\n");
-
- dd->ipath_irq = pdev->irq;
-
- /*
- * We save the cachelinesize also, although it doesn't
- * really matter.
- */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE,
- &dd->ipath_pci_cacheline);
-
- /*
- * this function called early, ipath_boardrev not set yet. Can't
- * use ipath_read_kreg64() yet, too early in init, so use readq()
- */
- boardrev = (readq(&dd->ipath_kregbase[dd->ipath_kregs->kr_revision])
- >> INFINIPATH_R_BOARDID_SHIFT) & INFINIPATH_R_BOARDID_MASK;
-
- ipath_7220_pcie_params(dd, boardrev);
-
- dd->ipath_flags |= IPATH_NODMA_RTAIL | IPATH_HAS_SEND_DMA |
- IPATH_HAS_PBC_CNT | IPATH_HAS_THRESH_UPDATE;
- dd->ipath_pioupd_thresh = 4U; /* set default update threshold */
- return 0;
-}
-
-static void ipath_init_7220_variables(struct ipath_devdata *dd)
-{
- /*
- * setup the register offsets, since they are different for each
- * chip
- */
- dd->ipath_kregs = &ipath_7220_kregs;
- dd->ipath_cregs = &ipath_7220_cregs;
-
- /*
- * bits for selecting i2c direction and values,
- * used for I2C serial flash
- */
- dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
- dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
- dd->ipath_gpio_sda = IPATH_GPIO_SDA;
- dd->ipath_gpio_scl = IPATH_GPIO_SCL;
-
- /*
- * Fill in data for field-values that change in IBA7220.
- * We dynamically specify only the mask for LINKTRAININGSTATE
- * and only the shift for LINKSTATE, as they are the only ones
- * that change. Also precalculate the 3 link states of interest
- * and the combined mask.
- */
- dd->ibcs_ls_shift = IBA7220_IBCS_LINKSTATE_SHIFT;
- dd->ibcs_lts_mask = IBA7220_IBCS_LINKTRAININGSTATE_MASK;
- dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
- dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
- dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
- INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
- (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
- dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
- INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
- (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
- dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
- INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
- (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
-
- /*
- * Fill in data for ibcc field-values that change in IBA7220.
- * We dynamically specify only the mask for LINKINITCMD
- * and only the shift for LINKCMD and MAXPKTLEN, as they are
- * the only ones that change.
- */
- dd->ibcc_lic_mask = IBA7220_IBCC_LINKINITCMD_MASK;
- dd->ibcc_lc_shift = IBA7220_IBCC_LINKCMD_SHIFT;
- dd->ibcc_mpl_shift = IBA7220_IBCC_MAXPKTLEN_SHIFT;
-
- /* Fill in shifts for RcvCtrl. */
- dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
- dd->ipath_r_intravail_shift = IBA7220_R_INTRAVAIL_SHIFT;
- dd->ipath_r_tailupd_shift = IBA7220_R_TAILUPD_SHIFT;
- dd->ipath_r_portcfg_shift = IBA7220_R_PORTCFG_SHIFT;
-
- /* variables for sanity checking interrupt and errors */
- dd->ipath_hwe_bitsextant =
- (INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
- INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) |
- (INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
- INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) |
- (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK <<
- INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) |
- INFINIPATH_HWE_PCIE1PLLFAILED |
- INFINIPATH_HWE_PCIE0PLLFAILED |
- INFINIPATH_HWE_PCIEPOISONEDTLP |
- INFINIPATH_HWE_PCIECPLTIMEOUT |
- INFINIPATH_HWE_PCIEBUSPARITYXTLH |
- INFINIPATH_HWE_PCIEBUSPARITYXADM |
- INFINIPATH_HWE_PCIEBUSPARITYRADM |
- INFINIPATH_HWE_MEMBISTFAILED |
- INFINIPATH_HWE_COREPLL_FBSLIP |
- INFINIPATH_HWE_COREPLL_RFSLIP |
- INFINIPATH_HWE_SERDESPLLFAILED |
- INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
- INFINIPATH_HWE_IBCBUSFRSPCPARITYERR |
- INFINIPATH_HWE_PCIECPLDATAQUEUEERR |
- INFINIPATH_HWE_PCIECPLHDRQUEUEERR |
- INFINIPATH_HWE_SDMAMEMREADERR |
- INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED |
- INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT |
- INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT |
- INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT |
- INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT |
- INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR |
- INFINIPATH_HWE_IB_UC_MEMORYPARITYERR |
- INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR |
- INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR;
- dd->ipath_i_bitsextant =
- INFINIPATH_I_SDMAINT | INFINIPATH_I_SDMADISABLED |
- (INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
- (INFINIPATH_I_RCVAVAIL_MASK <<
- INFINIPATH_I_RCVAVAIL_SHIFT) |
- INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
- INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO |
- INFINIPATH_I_JINT | INFINIPATH_I_SERDESTRIMDONE;
- dd->ipath_e_bitsextant =
- INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
- INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
- INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
- INFINIPATH_E_RSHORTPKTLEN | INFINIPATH_E_RUNEXPCHAR |
- INFINIPATH_E_RUNSUPVL | INFINIPATH_E_REBP |
- INFINIPATH_E_RIBFLOW | INFINIPATH_E_RBADVERSION |
- INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
- INFINIPATH_E_RBADTID | INFINIPATH_E_RHDRLEN |
- INFINIPATH_E_RHDR | INFINIPATH_E_RIBLOSTLINK |
- INFINIPATH_E_SENDSPECIALTRIGGER |
- INFINIPATH_E_SDMADISABLED | INFINIPATH_E_SMINPKTLEN |
- INFINIPATH_E_SMAXPKTLEN | INFINIPATH_E_SUNDERRUN |
- INFINIPATH_E_SPKTLEN | INFINIPATH_E_SDROPPEDSMPPKT |
- INFINIPATH_E_SDROPPEDDATAPKT |
- INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SUNEXPERRPKTNUM |
- INFINIPATH_E_SUNSUPVL | INFINIPATH_E_SENDBUFMISUSE |
- INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND |
- INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE |
- INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG |
- INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW |
- INFINIPATH_E_SDMAUNEXPDATA |
- INFINIPATH_E_IBSTATUSCHANGED | INFINIPATH_E_INVALIDADDR |
- INFINIPATH_E_RESET | INFINIPATH_E_HARDWARE |
- INFINIPATH_E_SDMADESCADDRMISALIGN |
- INFINIPATH_E_INVALIDEEPCMD;
-
- dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
- dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
- dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
- dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
- dd->ipath_flags |= IPATH_INTREG_64 | IPATH_HAS_MULT_IB_SPEED
- | IPATH_HAS_LINK_LATENCY;
-
- /*
- * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
- * 2 is Some Misc, 3 is reserved for future.
- */
- dd->ipath_eep_st_masks[0].hwerrs_to_log =
- INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
- INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT;
-
- dd->ipath_eep_st_masks[1].hwerrs_to_log =
- INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
- INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
-
- dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
-
- ipath_linkrecovery = 0;
-
- init_waitqueue_head(&dd->ipath_autoneg_wait);
- INIT_DELAYED_WORK(&dd->ipath_autoneg_work, autoneg_work);
-
- dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
- dd->ipath_link_speed_supported = IPATH_IB_SDR | IPATH_IB_DDR;
-
- dd->ipath_link_width_enabled = dd->ipath_link_width_supported;
- dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
- /*
- * set the initial values to reasonable default, will be set
- * for real when link is up.
- */
- dd->ipath_link_width_active = IB_WIDTH_4X;
- dd->ipath_link_speed_active = IPATH_IB_SDR;
- dd->delay_mult = rate_to_delay[0][1];
-}
-
-
-/*
- * Setup the MSI stuff again after a reset. I'd like to just call
- * pci_enable_msi() and request_irq() again, but when I do that,
- * the MSI enable bit doesn't get set in the command word, and
- * we switch to to a different interrupt vector, which is confusing,
- * so I instead just do it all inline. Perhaps somehow can tie this
- * into the PCIe hotplug support at some point
- * Note, because I'm doing it all here, I don't call pci_disable_msi()
- * or free_irq() at the start of ipath_setup_7220_reset().
- */
-static int ipath_reinit_msi(struct ipath_devdata *dd)
-{
- int ret = 0;
-
- int pos;
- u16 control;
- if (!dd->ipath_msi_lo) /* Using intX, or init problem */
- goto bail;
-
- pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI);
- if (!pos) {
- ipath_dev_err(dd, "Can't find MSI capability, "
- "can't restore MSI settings\n");
- goto bail;
- }
- ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
- dd->ipath_msi_lo, pos + PCI_MSI_ADDRESS_LO);
- pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
- dd->ipath_msi_lo);
- ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
- dd->ipath_msi_hi, pos + PCI_MSI_ADDRESS_HI);
- pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
- dd->ipath_msi_hi);
- pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS, &control);
- if (!(control & PCI_MSI_FLAGS_ENABLE)) {
- ipath_cdbg(VERBOSE, "MSI control at off %x was %x, "
- "setting MSI enable (%x)\n", pos + PCI_MSI_FLAGS,
- control, control | PCI_MSI_FLAGS_ENABLE);
- control |= PCI_MSI_FLAGS_ENABLE;
- pci_write_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
- control);
- }
- /* now rewrite the data (vector) info */
- pci_write_config_word(dd->pcidev, pos +
- ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
- dd->ipath_msi_data);
- ret = 1;
-
-bail:
- if (!ret) {
- ipath_dbg("Using INTx, MSI disabled or not configured\n");
- ipath_enable_intx(dd->pcidev);
- ret = 1;
- }
- /*
- * We restore the cachelinesize also, although it doesn't really
- * matter.
- */
- pci_write_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE,
- dd->ipath_pci_cacheline);
- /* and now set the pci master bit again */
- pci_set_master(dd->pcidev);
-
- return ret;
-}
-
-/*
- * This routine sleeps, so it can only be called from user context, not
- * from interrupt context. If we need interrupt context, we can split
- * it into two routines.
- */
-static int ipath_setup_7220_reset(struct ipath_devdata *dd)
-{
- u64 val;
- int i;
- int ret;
- u16 cmdval;
-
- pci_read_config_word(dd->pcidev, PCI_COMMAND, &cmdval);
-
- /* Use dev_err so it shows up in logs, etc. */
- ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
-
- /* keep chip from being accessed in a few places */
- dd->ipath_flags &= ~(IPATH_INITTED | IPATH_PRESENT);
- val = dd->ipath_control | INFINIPATH_C_RESET;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
- mb();
-
- for (i = 1; i <= 5; i++) {
- int r;
-
- /*
- * Allow MBIST, etc. to complete; longer on each retry.
- * We sometimes get machine checks from bus timeout if no
- * response, so for now, make it *really* long.
- */
- msleep(1000 + (1 + i) * 2000);
- r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
- dd->ipath_pcibar0);
- if (r)
- ipath_dev_err(dd, "rewrite of BAR0 failed: %d\n", r);
- r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1,
- dd->ipath_pcibar1);
- if (r)
- ipath_dev_err(dd, "rewrite of BAR1 failed: %d\n", r);
- /* now re-enable memory access */
- pci_write_config_word(dd->pcidev, PCI_COMMAND, cmdval);
- r = pci_enable_device(dd->pcidev);
- if (r)
- ipath_dev_err(dd, "pci_enable_device failed after "
- "reset: %d\n", r);
- /*
- * whether it fully enabled or not, mark as present,
- * again (but not INITTED)
- */
- dd->ipath_flags |= IPATH_PRESENT;
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
- if (val == dd->ipath_revision) {
- ipath_cdbg(VERBOSE, "Got matching revision "
- "register %llx on try %d\n",
- (unsigned long long) val, i);
- ret = ipath_reinit_msi(dd);
- goto bail;
- }
- /* Probably getting -1 back */
- ipath_dbg("Didn't get expected revision register, "
- "got %llx, try %d\n", (unsigned long long) val,
- i + 1);
- }
- ret = 0; /* failed */
-
-bail:
- if (ret)
- ipath_7220_pcie_params(dd, dd->ipath_boardrev);
-
- return ret;
-}
-
-/**
- * ipath_7220_put_tid - write a TID to the chip
- * @dd: the infinipath device
- * @tidptr: pointer to the expected TID (in chip) to update
- * @tidtype: 0 for eager, 1 for expected
- * @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
- *
- * This exists as a separate routine to allow for selection of the
- * appropriate "flavor". The static calls in cleanup just use the
- * revision-agnostic form, as they are not performance critical.
- */
-static void ipath_7220_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
- u32 type, unsigned long pa)
-{
- if (pa != dd->ipath_tidinvalid) {
- u64 chippa = pa >> IBA7220_TID_PA_SHIFT;
-
- /* paranoia checks */
- if (pa != (chippa << IBA7220_TID_PA_SHIFT)) {
- dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
- "not 2KB aligned!\n", pa);
- return;
- }
- if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
- ipath_dev_err(dd,
- "BUG: Physical page address 0x%lx "
- "larger than supported\n", pa);
- return;
- }
-
- if (type == RCVHQ_RCV_TYPE_EAGER)
- chippa |= dd->ipath_tidtemplate;
- else /* for now, always full 4KB page */
- chippa |= IBA7220_TID_SZ_4K;
- writeq(chippa, tidptr);
- } else
- writeq(pa, tidptr);
- mmiowb();
-}
-
-/**
- * ipath_7220_clear_tid - clear all TID entries for a port, expected and eager
- * @dd: the infinipath device
- * @port: the port
- *
- * clear all TID entries for a port, expected and eager.
- * Used from ipath_close(). On this chip, TIDs are only 32 bits,
- * not 64, but they are still on 64 bit boundaries, so tidbase
- * is declared as u64 * for the pointer math, even though we write 32 bits
- */
-static void ipath_7220_clear_tids(struct ipath_devdata *dd, unsigned port)
-{
- u64 __iomem *tidbase;
- unsigned long tidinv;
- int i;
-
- if (!dd->ipath_kregbase)
- return;
-
- ipath_cdbg(VERBOSE, "Invalidate TIDs for port %u\n", port);
-
- tidinv = dd->ipath_tidinvalid;
- tidbase = (u64 __iomem *)
- ((char __iomem *)(dd->ipath_kregbase) +
- dd->ipath_rcvtidbase +
- port * dd->ipath_rcvtidcnt * sizeof(*tidbase));
-
- for (i = 0; i < dd->ipath_rcvtidcnt; i++)
- ipath_7220_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
- tidinv);
-
- tidbase = (u64 __iomem *)
- ((char __iomem *)(dd->ipath_kregbase) +
- dd->ipath_rcvegrbase + port_egrtid_idx(dd, port)
- * sizeof(*tidbase));
-
- for (i = port ? dd->ipath_rcvegrcnt : dd->ipath_p0_rcvegrcnt; i; i--)
- ipath_7220_put_tid(dd, &tidbase[i-1], RCVHQ_RCV_TYPE_EAGER,
- tidinv);
-}
-
-/**
- * ipath_7220_tidtemplate - setup constants for TID updates
- * @dd: the infinipath device
- *
- * We setup stuff that we use a lot, to avoid calculating each time
- */
-static void ipath_7220_tidtemplate(struct ipath_devdata *dd)
-{
- /* For now, we always allocate 4KB buffers (at init) so we can
- * receive max size packets. We may want a module parameter to
- * specify 2KB or 4KB and/or make be per port instead of per device
- * for those who want to reduce memory footprint. Note that the
- * ipath_rcvhdrentsize size must be large enough to hold the largest
- * IB header (currently 96 bytes) that we expect to handle (plus of
- * course the 2 dwords of RHF).
- */
- if (dd->ipath_rcvegrbufsize == 2048)
- dd->ipath_tidtemplate = IBA7220_TID_SZ_2K;
- else if (dd->ipath_rcvegrbufsize == 4096)
- dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
- else {
- dev_info(&dd->pcidev->dev, "BUG: unsupported egrbufsize "
- "%u, using %u\n", dd->ipath_rcvegrbufsize,
- 4096);
- dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
- }
- dd->ipath_tidinvalid = 0;
-}
-
-static int ipath_7220_early_init(struct ipath_devdata *dd)
-{
- u32 i, s;
-
- if (strcmp(int_type, "auto") &&
- strcmp(int_type, "force_msi") &&
- strcmp(int_type, "force_intx")) {
- ipath_dev_err(dd, "Invalid interrupt_type: '%s', expecting "
- "auto, force_msi or force_intx\n", int_type);
- return -EINVAL;
- }
-
- /*
- * Control[4] has been added to change the arbitration within
- * the SDMA engine between favoring data fetches over descriptor
- * fetches. ipath_sdma_fetch_arb==0 gives data fetches priority.
- */
- if (ipath_sdma_fetch_arb && (dd->ipath_minrev > 1))
- dd->ipath_control |= 1<<4;
-
- dd->ipath_flags |= IPATH_4BYTE_TID;
-
- /*
- * For openfabrics, we need to be able to handle an IB header of
- * 24 dwords. HT chip has arbitrary sized receive buffers, so we
- * made them the same size as the PIO buffers. This chip does not
- * handle arbitrary size buffers, so we need the header large enough
- * to handle largest IB header, but still have room for a 2KB MTU
- * standard IB packet.
- */
- dd->ipath_rcvhdrentsize = 24;
- dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
- dd->ipath_rhf_offset =
- dd->ipath_rcvhdrentsize - sizeof(u64) / sizeof(u32);
-
- dd->ipath_rcvegrbufsize = ipath_mtu4096 ? 4096 : 2048;
- /*
- * the min() check here is currently a nop, but it may not always
- * be, depending on just how we do ipath_rcvegrbufsize
- */
- dd->ipath_ibmaxlen = min(ipath_mtu4096 ? dd->ipath_piosize4k :
- dd->ipath_piosize2k,
- dd->ipath_rcvegrbufsize +
- (dd->ipath_rcvhdrentsize << 2));
- dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
-
- ipath_7220_config_jint(dd, INFINIPATH_JINT_DEFAULT_IDLE_TICKS,
- INFINIPATH_JINT_DEFAULT_MAX_PACKETS);
-
- if (dd->ipath_boardrev) /* no eeprom on emulator */
- ipath_get_eeprom_info(dd);
-
- /* start of code to check and print procmon */
- s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
- s &= ~(1U<<31); /* clear done bit */
- s |= 1U<<14; /* clear counter (write 1 to clear) */
- ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
- /* make sure clear_counter low long enough before start */
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
-
- s &= ~(1U<<14); /* allow counter to count (before starting) */
- ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
-
- s |= 1U<<15; /* start the counter */
- s &= ~(1U<<31); /* clear done bit */
- s &= ~0x7ffU; /* clear frequency bits */
- s |= 0xe29; /* set frequency bits, in case cleared */
- ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
-
- s = 0;
- for (i = 500; i > 0 && !(s&(1ULL<<31)); i--) {
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
- }
- if (!(s&(1U<<31)))
- ipath_dev_err(dd, "ProcMon register not valid: 0x%x\n", s);
- else
- ipath_dbg("ProcMon=0x%x, count=0x%x\n", s, (s>>16)&0x1ff);
-
- return 0;
-}
-
-/**
- * ipath_init_7220_get_base_info - set chip-specific flags for user code
- * @pd: the infinipath port
- * @kbase: ipath_base_info pointer
- *
- * We set the PCIE flag because the lower bandwidth on PCIe vs
- * HyperTransport can affect some user packet algorithims.
- */
-static int ipath_7220_get_base_info(struct ipath_portdata *pd, void *kbase)
-{
- struct ipath_base_info *kinfo = kbase;
-
- kinfo->spi_runtime_flags |=
- IPATH_RUNTIME_PCIE | IPATH_RUNTIME_NODMA_RTAIL |
- IPATH_RUNTIME_SDMA;
-
- return 0;
-}
-
-static void ipath_7220_free_irq(struct ipath_devdata *dd)
-{
- free_irq(dd->ipath_irq, dd);
- dd->ipath_irq = 0;
-}
-
-static struct ipath_message_header *
-ipath_7220_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
-{
- u32 offset = ipath_hdrget_offset(rhf_addr);
-
- return (struct ipath_message_header *)
- (rhf_addr - dd->ipath_rhf_offset + offset);
-}
-
-static void ipath_7220_config_ports(struct ipath_devdata *dd, ushort cfgports)
-{
- u32 nchipports;
-
- nchipports = ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
- if (!cfgports) {
- int ncpus = num_online_cpus();
-
- if (ncpus <= 4)
- dd->ipath_portcnt = 5;
- else if (ncpus <= 8)
- dd->ipath_portcnt = 9;
- if (dd->ipath_portcnt)
- ipath_dbg("Auto-configured for %u ports, %d cpus "
- "online\n", dd->ipath_portcnt, ncpus);
- } else if (cfgports <= nchipports)
- dd->ipath_portcnt = cfgports;
- if (!dd->ipath_portcnt) /* none of the above, set to max */
- dd->ipath_portcnt = nchipports;
- /*
- * chip can be configured for 5, 9, or 17 ports, and choice
- * affects number of eager TIDs per port (1K, 2K, 4K).
- */
- if (dd->ipath_portcnt > 9)
- dd->ipath_rcvctrl |= 2ULL << IBA7220_R_PORTCFG_SHIFT;
- else if (dd->ipath_portcnt > 5)
- dd->ipath_rcvctrl |= 1ULL << IBA7220_R_PORTCFG_SHIFT;
- /* else configure for default 5 receive ports */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
- dd->ipath_rcvctrl);
- dd->ipath_p0_rcvegrcnt = 2048; /* always */
- if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
- dd->ipath_pioreserved = 3; /* kpiobufs used for PIO */
-}
-
-
-static int ipath_7220_get_ib_cfg(struct ipath_devdata *dd, int which)
-{
- int lsb, ret = 0;
- u64 maskr; /* right-justified mask */
-
- switch (which) {
- case IPATH_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
- lsb = IBA7220_IBC_HRTBT_SHIFT;
- maskr = IBA7220_IBC_HRTBT_MASK;
- break;
-
- case IPATH_IB_CFG_LWID_ENB: /* Get allowed Link-width */
- ret = dd->ipath_link_width_enabled;
- goto done;
-
- case IPATH_IB_CFG_LWID: /* Get currently active Link-width */
- ret = dd->ipath_link_width_active;
- goto done;
-
- case IPATH_IB_CFG_SPD_ENB: /* Get allowed Link speeds */
- ret = dd->ipath_link_speed_enabled;
- goto done;
-
- case IPATH_IB_CFG_SPD: /* Get current Link spd */
- ret = dd->ipath_link_speed_active;
- goto done;
-
- case IPATH_IB_CFG_RXPOL_ENB: /* Get Auto-RX-polarity enable */
- lsb = IBA7220_IBC_RXPOL_SHIFT;
- maskr = IBA7220_IBC_RXPOL_MASK;
- break;
-
- case IPATH_IB_CFG_LREV_ENB: /* Get Auto-Lane-reversal enable */
- lsb = IBA7220_IBC_LREV_SHIFT;
- maskr = IBA7220_IBC_LREV_MASK;
- break;
-
- case IPATH_IB_CFG_LINKLATENCY:
- ret = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrstatus)
- & IBA7220_DDRSTAT_LINKLAT_MASK;
- goto done;
-
- default:
- ret = -ENOTSUPP;
- goto done;
- }
- ret = (int)((dd->ipath_ibcddrctrl >> lsb) & maskr);
-done:
- return ret;
-}
-
-static int ipath_7220_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
-{
- int lsb, ret = 0, setforce = 0;
- u64 maskr; /* right-justified mask */
-
- switch (which) {
- case IPATH_IB_CFG_LIDLMC:
- /*
- * Set LID and LMC. Combined to avoid possible hazard
- * caller puts LMC in 16MSbits, DLID in 16LSbits of val
- */
- lsb = IBA7220_IBC_DLIDLMC_SHIFT;
- maskr = IBA7220_IBC_DLIDLMC_MASK;
- break;
-
- case IPATH_IB_CFG_HRTBT: /* set Heartbeat off/enable/auto */
- if (val & IPATH_IB_HRTBT_ON &&
- (dd->ipath_flags & IPATH_NO_HRTBT))
- goto bail;
- lsb = IBA7220_IBC_HRTBT_SHIFT;
- maskr = IBA7220_IBC_HRTBT_MASK;
- break;
-
- case IPATH_IB_CFG_LWID_ENB: /* set allowed Link-width */
- /*
- * As with speed, only write the actual register if
- * the link is currently down, otherwise takes effect
- * on next link change.
- */
- dd->ipath_link_width_enabled = val;
- if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
- IPATH_LINKDOWN)
- goto bail;
- /*
- * We set the IPATH_IB_FORCE_NOTIFY bit so updown
- * will get called because we want update
- * link_width_active, and the change may not take
- * effect for some time (if we are in POLL), so this
- * flag will force the updown routine to be called
- * on the next ibstatuschange down interrupt, even
- * if it's not an down->up transition.
- */
- val--; /* convert from IB to chip */
- maskr = IBA7220_IBC_WIDTH_MASK;
- lsb = IBA7220_IBC_WIDTH_SHIFT;
- setforce = 1;
- dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
- break;
-
- case IPATH_IB_CFG_SPD_ENB: /* set allowed Link speeds */
- /*
- * If we turn off IB1.2, need to preset SerDes defaults,
- * but not right now. Set a flag for the next time
- * we command the link down. As with width, only write the
- * actual register if the link is currently down, otherwise
- * takes effect on next link change. Since setting is being
- * explictly requested (via MAD or sysfs), clear autoneg
- * failure status if speed autoneg is enabled.
- */
- dd->ipath_link_speed_enabled = val;
- if (dd->ipath_ibcddrctrl & IBA7220_IBC_IBTA_1_2_MASK &&
- !(val & (val - 1)))
- dd->ipath_presets_needed = 1;
- if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
- IPATH_LINKDOWN)
- goto bail;
- /*
- * We set the IPATH_IB_FORCE_NOTIFY bit so updown
- * will get called because we want update
- * link_speed_active, and the change may not take
- * effect for some time (if we are in POLL), so this
- * flag will force the updown routine to be called
- * on the next ibstatuschange down interrupt, even
- * if it's not an down->up transition. When setting
- * speed autoneg, clear AUTONEG_FAILED.
- */
- if (val == (IPATH_IB_SDR | IPATH_IB_DDR)) {
- val = IBA7220_IBC_SPEED_AUTONEG_MASK |
- IBA7220_IBC_IBTA_1_2_MASK;
- dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
- } else
- val = val == IPATH_IB_DDR ? IBA7220_IBC_SPEED_DDR
- : IBA7220_IBC_SPEED_SDR;
- maskr = IBA7220_IBC_SPEED_AUTONEG_MASK |
- IBA7220_IBC_IBTA_1_2_MASK;
- lsb = 0; /* speed bits are low bits */
- setforce = 1;
- break;
-
- case IPATH_IB_CFG_RXPOL_ENB: /* set Auto-RX-polarity enable */
- lsb = IBA7220_IBC_RXPOL_SHIFT;
- maskr = IBA7220_IBC_RXPOL_MASK;
- break;
-
- case IPATH_IB_CFG_LREV_ENB: /* set Auto-Lane-reversal enable */
- lsb = IBA7220_IBC_LREV_SHIFT;
- maskr = IBA7220_IBC_LREV_MASK;
- break;
-
- default:
- ret = -ENOTSUPP;
- goto bail;
- }
- dd->ipath_ibcddrctrl &= ~(maskr << lsb);
- dd->ipath_ibcddrctrl |= (((u64) val & maskr) << lsb);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
- dd->ipath_ibcddrctrl);
- if (setforce)
- dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
-bail:
- return ret;
-}
-
-static void ipath_7220_read_counters(struct ipath_devdata *dd,
- struct infinipath_counters *cntrs)
-{
- u64 *counters = (u64 *) cntrs;
- int i;
-
- for (i = 0; i < sizeof(*cntrs) / sizeof(u64); i++)
- counters[i] = ipath_snap_cntr(dd, i);
-}
-
-/* if we are using MSI, try to fallback to INTx */
-static int ipath_7220_intr_fallback(struct ipath_devdata *dd)
-{
- if (dd->ipath_msi_lo) {
- dev_info(&dd->pcidev->dev, "MSI interrupt not detected,"
- " trying INTx interrupts\n");
- ipath_7220_nomsi(dd);
- ipath_enable_intx(dd->pcidev);
- /*
- * some newer kernels require free_irq before disable_msi,
- * and irq can be changed during disable and intx enable
- * and we need to therefore use the pcidev->irq value,
- * not our saved MSI value.
- */
- dd->ipath_irq = dd->pcidev->irq;
- if (request_irq(dd->ipath_irq, ipath_intr, IRQF_SHARED,
- IPATH_DRV_NAME, dd))
- ipath_dev_err(dd,
- "Could not re-request_irq for INTx\n");
- return 1;
- }
- return 0;
-}
-
-/*
- * reset the XGXS (between serdes and IBC). Slightly less intrusive
- * than resetting the IBC or external link state, and useful in some
- * cases to cause some retraining. To do this right, we reset IBC
- * as well.
- */
-static void ipath_7220_xgxs_reset(struct ipath_devdata *dd)
-{
- u64 val, prev_val;
-
- prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
- val = prev_val | INFINIPATH_XGXS_RESET;
- prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
- dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
- dd->ipath_control);
-}
-
-
-/* Still needs cleanup, too much hardwired stuff */
-static void autoneg_send(struct ipath_devdata *dd,
- u32 *hdr, u32 dcnt, u32 *data)
-{
- int i;
- u64 cnt;
- u32 __iomem *piobuf;
- u32 pnum;
-
- i = 0;
- cnt = 7 + dcnt + 1; /* 7 dword header, dword data, icrc */
- while (!(piobuf = ipath_getpiobuf(dd, cnt, &pnum))) {
- if (i++ > 15) {
- ipath_dbg("Couldn't get pio buffer for send\n");
- return;
- }
- udelay(2);
- }
- if (dd->ipath_flags&IPATH_HAS_PBC_CNT)
- cnt |= 0x80000000UL<<32; /* mark as VL15 */
- writeq(cnt, piobuf);
- ipath_flush_wc();
- __iowrite32_copy(piobuf + 2, hdr, 7);
- __iowrite32_copy(piobuf + 9, data, dcnt);
- ipath_flush_wc();
-}
-
-/*
- * _start packet gets sent twice at start, _done gets sent twice at end
- */
-static void ipath_autoneg_send(struct ipath_devdata *dd, int which)
-{
- static u32 swapped;
- u32 dw, i, hcnt, dcnt, *data;
- static u32 hdr[7] = { 0xf002ffff, 0x48ffff, 0x6400abba };
- static u32 madpayload_start[0x40] = {
- 0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
- 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x1, 0x1388, 0x15e, 0x1, /* rest 0's */
- };
- static u32 madpayload_done[0x40] = {
- 0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
- 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x40000001, 0x1388, 0x15e, /* rest 0's */
- };
- dcnt = ARRAY_SIZE(madpayload_start);
- hcnt = ARRAY_SIZE(hdr);
- if (!swapped) {
- /* for maintainability, do it at runtime */
- for (i = 0; i < hcnt; i++) {
- dw = (__force u32) cpu_to_be32(hdr[i]);
- hdr[i] = dw;
- }
- for (i = 0; i < dcnt; i++) {
- dw = (__force u32) cpu_to_be32(madpayload_start[i]);
- madpayload_start[i] = dw;
- dw = (__force u32) cpu_to_be32(madpayload_done[i]);
- madpayload_done[i] = dw;
- }
- swapped = 1;
- }
-
- data = which ? madpayload_done : madpayload_start;
- ipath_cdbg(PKT, "Sending %s special MADs\n", which?"done":"start");
-
- autoneg_send(dd, hdr, dcnt, data);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- udelay(2);
- autoneg_send(dd, hdr, dcnt, data);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- udelay(2);
-}
-
-
-
-/*
- * Do the absolute minimum to cause an IB speed change, and make it
- * ready, but don't actually trigger the change. The caller will
- * do that when ready (if link is in Polling training state, it will
- * happen immediately, otherwise when link next goes down)
- *
- * This routine should only be used as part of the DDR autonegotation
- * code for devices that are not compliant with IB 1.2 (or code that
- * fixes things up for same).
- *
- * When link has gone down, and autoneg enabled, or autoneg has
- * failed and we give up until next time we set both speeds, and
- * then we want IBTA enabled as well as "use max enabled speed.
- */
-static void set_speed_fast(struct ipath_devdata *dd, u32 speed)
-{
- dd->ipath_ibcddrctrl &= ~(IBA7220_IBC_SPEED_AUTONEG_MASK |
- IBA7220_IBC_IBTA_1_2_MASK |
- (IBA7220_IBC_WIDTH_MASK << IBA7220_IBC_WIDTH_SHIFT));
-
- if (speed == (IPATH_IB_SDR | IPATH_IB_DDR))
- dd->ipath_ibcddrctrl |= IBA7220_IBC_SPEED_AUTONEG_MASK |
- IBA7220_IBC_IBTA_1_2_MASK;
- else
- dd->ipath_ibcddrctrl |= speed == IPATH_IB_DDR ?
- IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
-
- /*
- * Convert from IB-style 1 = 1x, 2 = 4x, 3 = auto
- * to chip-centric 0 = 1x, 1 = 4x, 2 = auto
- */
- dd->ipath_ibcddrctrl |= (u64)(dd->ipath_link_width_enabled - 1) <<
- IBA7220_IBC_WIDTH_SHIFT;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
- dd->ipath_ibcddrctrl);
- ipath_cdbg(VERBOSE, "setup for IB speed (%x) done\n", speed);
-}
-
-
-/*
- * this routine is only used when we are not talking to another
- * IB 1.2-compliant device that we think can do DDR.
- * (This includes all existing switch chips as of Oct 2007.)
- * 1.2-compliant devices go directly to DDR prior to reaching INIT
- */
-static void try_auto_neg(struct ipath_devdata *dd)
-{
- /*
- * required for older non-IB1.2 DDR switches. Newer
- * non-IB-compliant switches don't need it, but so far,
- * aren't bothered by it either. "Magic constant"
- */
- ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl),
- 0x3b9dc07);
- dd->ipath_flags |= IPATH_IB_AUTONEG_INPROG;
- ipath_autoneg_send(dd, 0);
- set_speed_fast(dd, IPATH_IB_DDR);
- ipath_toggle_rclkrls(dd);
- /* 2 msec is minimum length of a poll cycle */
- schedule_delayed_work(&dd->ipath_autoneg_work,
- msecs_to_jiffies(2));
-}
-
-
-static int ipath_7220_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
-{
- int ret = 0, symadj = 0;
- u32 ltstate = ipath_ib_linkstate(dd, ibcs);
-
- dd->ipath_link_width_active =
- ((ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1) ?
- IB_WIDTH_4X : IB_WIDTH_1X;
- dd->ipath_link_speed_active =
- ((ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1) ?
- IPATH_IB_DDR : IPATH_IB_SDR;
-
- if (!ibup) {
- /*
- * when link goes down we don't want aeq running, so it
- * won't't interfere with IBC training, etc., and we need
- * to go back to the static SerDes preset values
- */
- if (dd->ipath_x1_fix_tries &&
- ltstate <= INFINIPATH_IBCS_LT_STATE_SLEEPQUIET &&
- ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP)
- dd->ipath_x1_fix_tries = 0;
- if (!(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
- IPATH_IB_AUTONEG_INPROG)))
- set_speed_fast(dd, dd->ipath_link_speed_enabled);
- if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
- ipath_cdbg(VERBOSE, "Setting RXEQ defaults\n");
- ipath_sd7220_presets(dd);
- }
- /* this might better in ipath_sd7220_presets() */
- ipath_set_relock_poll(dd, ibup);
- } else {
- if (ipath_compat_ddr_negotiate &&
- !(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
- IPATH_IB_AUTONEG_INPROG)) &&
- dd->ipath_link_speed_active == IPATH_IB_SDR &&
- (dd->ipath_link_speed_enabled &
- (IPATH_IB_DDR | IPATH_IB_SDR)) ==
- (IPATH_IB_DDR | IPATH_IB_SDR) &&
- dd->ipath_autoneg_tries < IPATH_AUTONEG_TRIES) {
- /* we are SDR, and DDR auto-negotiation enabled */
- ++dd->ipath_autoneg_tries;
- ipath_dbg("DDR negotiation try, %u/%u\n",
- dd->ipath_autoneg_tries,
- IPATH_AUTONEG_TRIES);
- if (!dd->ibdeltainprog) {
- dd->ibdeltainprog = 1;
- dd->ibsymsnap = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_ibsymbolerrcnt);
- dd->iblnkerrsnap = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_iblinkerrrecovcnt);
- }
- try_auto_neg(dd);
- ret = 1; /* no other IB status change processing */
- } else if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
- && dd->ipath_link_speed_active == IPATH_IB_SDR) {
- ipath_autoneg_send(dd, 1);
- set_speed_fast(dd, IPATH_IB_DDR);
- udelay(2);
- ipath_toggle_rclkrls(dd);
- ret = 1; /* no other IB status change processing */
- } else {
- if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) &&
- (dd->ipath_link_speed_active & IPATH_IB_DDR)) {
- ipath_dbg("Got to INIT with DDR autoneg\n");
- dd->ipath_flags &= ~(IPATH_IB_AUTONEG_INPROG
- | IPATH_IB_AUTONEG_FAILED);
- dd->ipath_autoneg_tries = 0;
- /* re-enable SDR, for next link down */
- set_speed_fast(dd,
- dd->ipath_link_speed_enabled);
- wake_up(&dd->ipath_autoneg_wait);
- symadj = 1;
- } else if (dd->ipath_flags & IPATH_IB_AUTONEG_FAILED) {
- /*
- * clear autoneg failure flag, and do setup
- * so we'll try next time link goes down and
- * back to INIT (possibly connected to different
- * device).
- */
- ipath_dbg("INIT %sDR after autoneg failure\n",
- (dd->ipath_link_speed_active &
- IPATH_IB_DDR) ? "D" : "S");
- dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
- dd->ipath_ibcddrctrl |=
- IBA7220_IBC_IBTA_1_2_MASK;
- ipath_write_kreg(dd,
- IPATH_KREG_OFFSET(IBNCModeCtrl), 0);
- symadj = 1;
- }
- }
- /*
- * if we are in 1X on rev1 only, and are in autoneg width,
- * it could be due to an xgxs problem, so if we haven't
- * already tried, try twice to get to 4X; if we
- * tried, and couldn't, report it, since it will
- * probably not be what is desired.
- */
- if (dd->ipath_minrev == 1 &&
- (dd->ipath_link_width_enabled & (IB_WIDTH_1X |
- IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X)
- && dd->ipath_link_width_active == IB_WIDTH_1X
- && dd->ipath_x1_fix_tries < 3) {
- if (++dd->ipath_x1_fix_tries == 3) {
- dev_info(&dd->pcidev->dev,
- "IB link is in 1X mode\n");
- if (!(dd->ipath_flags &
- IPATH_IB_AUTONEG_INPROG))
- symadj = 1;
- }
- else {
- ipath_cdbg(VERBOSE, "IB 1X in "
- "auto-width, try %u to be "
- "sure it's really 1X; "
- "ltstate %u\n",
- dd->ipath_x1_fix_tries,
- ltstate);
- dd->ipath_f_xgxs_reset(dd);
- ret = 1; /* skip other processing */
- }
- } else if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
- symadj = 1;
-
- if (!ret) {
- dd->delay_mult = rate_to_delay
- [(ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1]
- [(ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1];
-
- ipath_set_relock_poll(dd, ibup);
- }
- }
-
- if (symadj) {
- if (dd->ibdeltainprog) {
- dd->ibdeltainprog = 0;
- dd->ibsymdelta += ipath_read_creg32(dd,
- dd->ipath_cregs->cr_ibsymbolerrcnt) -
- dd->ibsymsnap;
- dd->iblnkerrdelta += ipath_read_creg32(dd,
- dd->ipath_cregs->cr_iblinkerrrecovcnt) -
- dd->iblnkerrsnap;
- }
- } else if (!ibup && !dd->ibdeltainprog
- && !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
- dd->ibdeltainprog = 1;
- dd->ibsymsnap = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_ibsymbolerrcnt);
- dd->iblnkerrsnap = ipath_read_creg32(dd,
- dd->ipath_cregs->cr_iblinkerrrecovcnt);
- }
-
- if (!ret)
- ipath_setup_7220_setextled(dd, ipath_ib_linkstate(dd, ibcs),
- ltstate);
- return ret;
-}
-
-
-/*
- * Handle the empirically determined mechanism for auto-negotiation
- * of DDR speed with switches.
- */
-static void autoneg_work(struct work_struct *work)
-{
- struct ipath_devdata *dd;
- u64 startms;
- u32 lastlts, i;
-
- dd = container_of(work, struct ipath_devdata,
- ipath_autoneg_work.work);
-
- startms = jiffies_to_msecs(jiffies);
-
- /*
- * busy wait for this first part, it should be at most a
- * few hundred usec, since we scheduled ourselves for 2msec.
- */
- for (i = 0; i < 25; i++) {
- lastlts = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);
- if (lastlts == INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
- ipath_set_linkstate(dd, IPATH_IB_LINKDOWN_DISABLE);
- break;
- }
- udelay(100);
- }
-
- if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
- goto done; /* we got there early or told to stop */
-
- /* we expect this to timeout */
- if (wait_event_timeout(dd->ipath_autoneg_wait,
- !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
- msecs_to_jiffies(90)))
- goto done;
-
- ipath_toggle_rclkrls(dd);
-
- /* we expect this to timeout */
- if (wait_event_timeout(dd->ipath_autoneg_wait,
- !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
- msecs_to_jiffies(1700)))
- goto done;
-
- set_speed_fast(dd, IPATH_IB_SDR);
- ipath_toggle_rclkrls(dd);
-
- /*
- * wait up to 250 msec for link to train and get to INIT at DDR;
- * this should terminate early
- */
- wait_event_timeout(dd->ipath_autoneg_wait,
- !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
- msecs_to_jiffies(250));
-done:
- if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
- ipath_dbg("Did not get to DDR INIT (%x) after %Lu msecs\n",
- ipath_ib_state(dd, dd->ipath_lastibcstat),
- (unsigned long long) jiffies_to_msecs(jiffies)-startms);
- dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
- if (dd->ipath_autoneg_tries == IPATH_AUTONEG_TRIES) {
- dd->ipath_flags |= IPATH_IB_AUTONEG_FAILED;
- ipath_dbg("Giving up on DDR until next IB "
- "link Down\n");
- dd->ipath_autoneg_tries = 0;
- }
- set_speed_fast(dd, dd->ipath_link_speed_enabled);
- }
-}
-
-
-/**
- * ipath_init_iba7220_funcs - set up the chip-specific function pointers
- * @dd: the infinipath device
- *
- * This is global, and is called directly at init to set up the
- * chip-specific function pointers for later use.
- */
-void ipath_init_iba7220_funcs(struct ipath_devdata *dd)
-{
- dd->ipath_f_intrsetup = ipath_7220_intconfig;
- dd->ipath_f_bus = ipath_setup_7220_config;
- dd->ipath_f_reset = ipath_setup_7220_reset;
- dd->ipath_f_get_boardname = ipath_7220_boardname;
- dd->ipath_f_init_hwerrors = ipath_7220_init_hwerrors;
- dd->ipath_f_early_init = ipath_7220_early_init;
- dd->ipath_f_handle_hwerrors = ipath_7220_handle_hwerrors;
- dd->ipath_f_quiet_serdes = ipath_7220_quiet_serdes;
- dd->ipath_f_bringup_serdes = ipath_7220_bringup_serdes;
- dd->ipath_f_clear_tids = ipath_7220_clear_tids;
- dd->ipath_f_put_tid = ipath_7220_put_tid;
- dd->ipath_f_cleanup = ipath_setup_7220_cleanup;
- dd->ipath_f_setextled = ipath_setup_7220_setextled;
- dd->ipath_f_get_base_info = ipath_7220_get_base_info;
- dd->ipath_f_free_irq = ipath_7220_free_irq;
- dd->ipath_f_tidtemplate = ipath_7220_tidtemplate;
- dd->ipath_f_intr_fallback = ipath_7220_intr_fallback;
- dd->ipath_f_xgxs_reset = ipath_7220_xgxs_reset;
- dd->ipath_f_get_ib_cfg = ipath_7220_get_ib_cfg;
- dd->ipath_f_set_ib_cfg = ipath_7220_set_ib_cfg;
- dd->ipath_f_config_jint = ipath_7220_config_jint;
- dd->ipath_f_config_ports = ipath_7220_config_ports;
- dd->ipath_f_read_counters = ipath_7220_read_counters;
- dd->ipath_f_get_msgheader = ipath_7220_get_msgheader;
- dd->ipath_f_ib_updown = ipath_7220_ib_updown;
-
- /* initialize chip-specific variables */
- ipath_init_7220_variables(dd);
-}