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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott12 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim8 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
* read MMIO register */ #define NETDRV_R8(reg) readb (ioaddr + (reg)) #define NETDRV_R16(reg) readw (ioaddr + (reg)) #define NETDRV_R32(reg) ((unsigned long) readl (ioaddr + (reg))) #endif /* USE_IO_OPS */ static const u16 netdrv_intr_mask = PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | TxErr | TxOK | RxErr | RxOK; static const unsigned int netdrv_rx_config = RxCfgEarlyRxNone | RxCfgRcv32K | RxNoWrap | (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift); static int __devinit netdrv_init_board (struct pci_dev *pdev, struct net_device **dev_out, void **ioaddr_out) { void *ioaddr = NULL; struct net_device *dev; struct netdrv_private *tp; int rc, i; u32 pio_start, pio_end, pio_flags, pio_len; unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; u32 tmp; DPRINTK ("ENTER\n"); assert (pdev != NULL); assert (ioaddr_out != NULL); *ioaddr_out = NULL; *dev_out = NULL; /* dev zeroed in alloc_etherdev */ dev = alloc_etherdev (sizeof (*tp)); if (dev == NULL) { dev_err(&pdev->dev, "unable to alloc new ethernet\n"); DPRINTK ("EXIT, returning -ENOMEM\n"); return -ENOMEM; } SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); tp = dev->priv; /* enable device (incl. PCI PM wakeup), and bus-mastering */ rc = pci_enable_device (pdev); if (rc) goto err_out; pio_start = pci_resource_start (pdev, 0); pio_end = pci_resource_end (pdev, 0); pio_flags = pci_resource_flags (pdev, 0); pio_len = pci_resource_len (pdev, 0); mmio_start = pci_resource_start (pdev, 1); mmio_end = pci_resource_end (pdev, 1); mmio_flags = pci_resource_flags (pdev, 1); mmio_len = pci_resource_len (pdev, 1); /* set this immediately, we need to know before * we talk to the chip directly */ DPRINTK("PIO region size == 0x%02X\n", pio_len); DPRINTK("MMIO region size == 0x%02lX\n", mmio_len); /* make sure PCI base addr 0 is PIO */ if (!(pio_flags & IORESOURCE_IO)) { dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n"); rc = -ENODEV; goto err_out; } /* make sure PCI base addr 1 is MMIO */ if (!(mmio_flags & IORESOURCE_MEM)) { dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n"); rc = -ENODEV; goto err_out; } /* check for weird/broken PCI region reporting */ if ((pio_len < NETDRV_MIN_IO_SIZE) || (mmio_len < NETDRV_MIN_IO_SIZE)) { dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n"); rc = -ENODEV; goto err_out; } rc = pci_request_regions (pdev, MODNAME); if (rc) goto err_out; pci_set_master (pdev); #ifdef USE_IO_OPS ioaddr = (void *) pio_start; #else /* ioremap MMIO region */ ioaddr = ioremap (mmio_start, mmio_len); if (ioaddr == NULL) { dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); rc = -EIO; goto err_out_free_res; } #endif /* USE_IO_OPS */ /* Soft reset the chip. */ NETDRV_W8 (ChipCmd, (NETDRV_R8 (ChipCmd) & ChipCmdClear) | CmdReset); /* Check that the chip has finished the reset. */ for (i = 1000; i > 0; i--) if ((NETDRV_R8 (ChipCmd) & CmdReset) == 0) break; else udelay (10); /* Bring the chip out of low-power mode. */ /* <insert device-specific code here> */ #ifndef USE_IO_OPS /* sanity checks -- ensure PIO and MMIO registers agree */ assert (inb (pio_start+Config0) == readb (ioaddr+Config0)); assert (inb (pio_start+Config1) == readb (ioaddr+Config1)); assert (inb (pio_start+TxConfig) == readb (ioaddr+TxConfig)); assert (inb (pio_start+RxConfig) == readb (ioaddr+RxConfig)); #endif /* !USE_IO_OPS */ /* identify chip attached to board */ tmp = NETDRV_R8 (ChipVersion); for (i = ARRAY_SIZE (rtl_chip_info) - 1; i >= 0; i--) if (tmp == rtl_chip_info[i].version) { tp->chipset = i; goto match; } /* if unknown chip, assume array element #0, original RTL-8139 in this case */ dev_printk (KERN_DEBUG, &pdev->dev, "unknown chip version, assuming RTL-8139\n"); dev_printk (KERN_DEBUG, &pdev->dev, "TxConfig = 0x%lx\n", NETDRV_R32 (TxConfig)); tp->chipset = 0; match: DPRINTK ("chipset id (%d) == index %d, '%s'\n", tmp, tp->chipset, rtl_chip_info[tp->chipset].name); rc = register_netdev (dev); if (rc) goto err_out_unmap; DPRINTK ("EXIT, returning 0\n"); *ioaddr_out = ioaddr; *dev_out = dev; return 0; err_out_unmap: #ifndef USE_IO_OPS iounmap(ioaddr); err_out_free_res: #endif pci_release_regions (pdev); err_out: free_netdev (dev); DPRINTK ("EXIT, returning %d\n", rc); return rc; } static int __devinit netdrv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { struct net_device *dev = NULL; struct netdrv_private *tp; int i, addr_len, option; void *ioaddr = NULL; static int board_idx = -1; /* when built into the kernel, we only print version if device is found */ #ifndef MODULE static int printed_version; if (!printed_version++) printk(version); #endif DPRINTK ("ENTER\n"); assert (pdev != NULL); assert (ent != NULL); board_idx++; i = netdrv_init_board (pdev, &dev, &ioaddr); if (i < 0) { DPRINTK ("EXIT, returning %d\n", i); return i; } tp = dev->priv; assert (ioaddr != NULL); assert (dev != NULL); assert (tp != NULL); addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6; for (i = 0; i < 3; i++) ((u16 *) (dev->dev_addr))[i] = le16_to_cpu (read_eeprom (ioaddr, i + 7, addr_len)); /* The Rtl8139-specific entries in the device structure. */ dev->open = netdrv_open; dev->hard_start_xmit = netdrv_start_xmit; dev->stop = netdrv_close; dev->get_stats = netdrv_get_stats; dev->set_multicast_list = netdrv_set_rx_mode; dev->do_ioctl = netdrv_ioctl; dev->tx_timeout = netdrv_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; dev->irq = pdev->irq; dev->base_addr = (unsigned long) ioaddr; /* dev->priv/tp zeroed and aligned in alloc_etherdev */ tp = dev->priv; /* note: tp->chipset set in netdrv_init_board */ tp->drv_flags = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | NETDRV_CAPS; tp->pci_dev = pdev; tp->board = ent->driver_data; tp->mmio_addr = ioaddr; spin_lock_init(&tp->lock); pci_set_drvdata(pdev, dev); tp->phys[0] = 32; printk (KERN_INFO "%s: %s at 0x%lx, " "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " "IRQ %d\n", dev->name, board_info[ent->driver_data].name, dev->base_addr, dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5], dev->irq); printk (KERN_DEBUG "%s: Identified 8139 chip type '%s'\n", dev->name, rtl_chip_info[tp->chipset].name); /* Put the chip into low-power mode. */ NETDRV_W8_F (Cfg9346, Cfg9346_Unlock); /* The lower four bits are the media type. */ option = (board_idx > 7) ? 0 : media[board_idx]; if (option > 0) { tp->full_duplex = (option & 0x200) ? 1 : 0; tp->default_port = option & 15; if (tp->default_port) tp->medialock = 1; } if (tp->full_duplex) { printk (KERN_INFO "%s: Media type forced to Full Duplex.\n", dev->name); mdio_write (dev, tp->phys[0], MII_ADVERTISE, ADVERTISE_FULL); tp->duplex_lock = 1; } DPRINTK ("EXIT - returning 0\n"); return 0; } static void __devexit netdrv_remove_one (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata (pdev); struct netdrv_private *np; DPRINTK ("ENTER\n"); assert (dev != NULL); np = dev->priv; assert (np != NULL); unregister_netdev (dev); #ifndef USE_IO_OPS iounmap (np->mmio_addr); #endif /* !USE_IO_OPS */ pci_release_regions (pdev); free_netdev (dev); pci_set_drvdata (pdev, NULL); pci_disable_device (pdev); DPRINTK ("EXIT\n"); } /* Serial EEPROM section. */ /* EEPROM_Ctrl bits. */ #define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */ #define EE_CS 0x08 /* EEPROM chip select. */ #define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */ #define EE_WRITE_0 0x00 #define EE_WRITE_1 0x02 #define EE_DATA_READ 0x01 /* EEPROM chip data out. */ #define EE_ENB (0x80 | EE_CS) /* Delay between EEPROM clock transitions. No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. */ #define eeprom_delay() readl(ee_addr) /* The EEPROM commands include the alway-set leading bit. */ #define EE_WRITE_CMD (5) #define EE_READ_CMD (6) #define EE_ERASE_CMD (7) static int __devinit read_eeprom (void *ioaddr, int location, int addr_len) { int i; unsigned retval = 0; void *ee_addr = ioaddr + Cfg9346; int read_cmd = location | (EE_READ_CMD << addr_len); DPRINTK ("ENTER\n"); writeb (EE_ENB & ~EE_CS, ee_addr); writeb (EE_ENB, ee_addr); eeprom_delay (); /* Shift the read command bits out. */ for (i = 4 + addr_len; i >= 0; i--) { int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; writeb (EE_ENB | dataval, ee_addr); eeprom_delay (); writeb (EE_ENB | dataval | EE_SHIFT_CLK, ee_addr); eeprom_delay (); } writeb (EE_ENB, ee_addr); eeprom_delay (); for (i = 16; i > 0; i--) { writeb (EE_ENB | EE_SHIFT_CLK, ee_addr); eeprom_delay (); retval = (retval << 1) | ((readb (ee_addr) & EE_DATA_READ) ? 1 : 0); writeb (EE_ENB, ee_addr); eeprom_delay (); } /* Terminate the EEPROM access. */ writeb (~EE_CS, ee_addr); eeprom_delay (); DPRINTK ("EXIT - returning %d\n", retval); return retval; } /* MII serial management: mostly bogus for now. */ /* Read and write the MII management registers using software-generated serial MDIO protocol. The maximum data clock rate is 2.5 Mhz. The minimum timing is usually met by back-to-back PCI I/O cycles, but we insert a delay to avoid "overclocking" issues. */ #define MDIO_DIR 0x80 #define MDIO_DATA_OUT 0x04 #define MDIO_DATA_IN 0x02 #define MDIO_CLK 0x01 #define MDIO_WRITE0 (MDIO_DIR) #define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT) #define mdio_delay() readb(mdio_addr) static char mii_2_8139_map[8] = { BasicModeCtrl, BasicModeStatus, 0, 0, NWayAdvert, NWayLPAR, NWayExpansion, 0 }; /* Syncronize the MII management interface by shifting 32 one bits out. */ static void mdio_sync (void *mdio_addr) { int i; DPRINTK ("ENTER\n"); for (i = 32; i >= 0; i--) { writeb (MDIO_WRITE1, mdio_addr); mdio_delay (); writeb (MDIO_WRITE1 | MDIO_CLK, mdio_addr); mdio_delay (); } DPRINTK ("EXIT\n"); } static int mdio_read (struct net_device *dev, int phy_id, int location) { struct netdrv_private *tp = dev->priv; void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; int retval = 0; int i; DPRINTK ("ENTER\n"); if (phy_id > 31) { /* Really a 8139. Use internal registers. */ DPRINTK ("EXIT after directly using 8139 internal regs\n"); return location < 8 && mii_2_8139_map[location] ? readw (tp->mmio_addr + mii_2_8139_map[location]) : 0; } mdio_sync (mdio_addr); /* Shift the read command bits out. */ for (i = 15; i >= 0; i--) { int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0; writeb (MDIO_DIR | dataval, mdio_addr); mdio_delay (); writeb (MDIO_DIR | dataval | MDIO_CLK, mdio_addr); mdio_delay (); } /* Read the two transition, 16 data, and wire-idle bits. */ for (i = 19; i > 0; i--) { writeb (0, mdio_addr); mdio_delay (); retval = (retval << 1) | ((readb (mdio_addr) & MDIO_DATA_IN) ? 1 : 0); writeb (MDIO_CLK, mdio_addr); mdio_delay (); } DPRINTK ("EXIT, returning %d\n", (retval >> 1) & 0xffff); return (retval >> 1) & 0xffff; } static void mdio_write (struct net_device *dev, int phy_id, int location, int value) { struct netdrv_private *tp = dev->priv; void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; int i; DPRINTK ("ENTER\n"); if (phy_id > 31) { /* Really a 8139. Use internal registers. */ if (location < 8 && mii_2_8139_map[location]) { writew (value, tp->mmio_addr + mii_2_8139_map[location]); readw (tp->mmio_addr + mii_2_8139_map[location]); } DPRINTK ("EXIT after directly using 8139 internal regs\n"); return; } mdio_sync (mdio_addr); /* Shift the command bits out. */ for (i = 31; i >= 0; i--) { int dataval = (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0; writeb (dataval, mdio_addr); mdio_delay (); writeb (dataval | MDIO_CLK, mdio_addr); mdio_delay (); } /* Clear out extra bits. */ for (i = 2; i > 0; i--) { writeb (0, mdio_addr); mdio_delay (); writeb (MDIO_CLK, mdio_addr); mdio_delay (); } DPRINTK ("EXIT\n"); } static int netdrv_open (struct net_device *dev) { struct netdrv_private *tp = dev->priv; int retval; #ifdef NETDRV_DEBUG void *ioaddr = tp->mmio_addr; #endif DPRINTK ("ENTER\n"); retval = request_irq (dev->irq, netdrv_interrupt, IRQF_SHARED, dev->name, dev); if (retval) { DPRINTK ("EXIT, returning %d\n", retval); return retval; } tp->tx_bufs = pci_alloc_consistent(tp->pci_dev, TX_BUF_TOT_LEN, &tp->tx_bufs_dma); tp->rx_ring = pci_alloc_consistent(tp->pci_dev, RX_BUF_TOT_LEN, &tp->rx_ring_dma); if (tp->tx_bufs == NULL || tp->rx_ring == NULL) { free_irq(dev->irq, dev); if (tp->tx_bufs) pci_free_consistent(tp->pci_dev, TX_BUF_TOT_LEN, tp->tx_bufs, tp->tx_bufs_dma); if (tp->rx_ring) pci_free_consistent(tp->pci_dev, RX_BUF_TOT_LEN, tp->rx_ring, tp->rx_ring_dma); DPRINTK ("EXIT, returning -ENOMEM\n"); return -ENOMEM; } tp->full_duplex = tp->duplex_lock; tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000; netdrv_init_ring (dev); netdrv_hw_start (dev); DPRINTK ("%s: netdrv_open() ioaddr %#lx IRQ %d" " GP Pins %2.2x %s-duplex.\n", dev->name, pci_resource_start (tp->pci_dev, 1), dev->irq, NETDRV_R8 (MediaStatus), tp->full_duplex ? "full" : "half"); /* Set the timer to switch to check for link beat and perhaps switch to an alternate media type. */ init_timer (&tp->timer); tp->timer.expires = jiffies + 3 * HZ; tp->timer.data = (unsigned long) dev; tp->timer.function = &netdrv_timer; add_timer (&tp->timer); DPRINTK ("EXIT, returning 0\n"); return 0; } /* Start the hardware at open or resume. */ static void netdrv_hw_start (struct net_device *dev) { struct netdrv_private *tp = dev->priv; void *ioaddr = tp->mmio_addr; u32 i; DPRINTK ("ENTER\n"); /* Soft reset the chip. */ NETDRV_W8 (ChipCmd, (NETDRV_R8 (ChipCmd) & ChipCmdClear) | CmdReset); udelay (100); /* Check that the chip has finished the reset. */ for (i = 1000; i > 0; i--) if ((NETDRV_R8 (ChipCmd) & CmdReset) == 0) break; /* Restore our idea of the MAC address. */ NETDRV_W32_F (MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0))); NETDRV_W32_F (MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4))); /* Must enable Tx/Rx before setting transfer thresholds! */ NETDRV_W8_F (ChipCmd, (NETDRV_R8 (ChipCmd) & ChipCmdClear) | CmdRxEnb | CmdTxEnb); i = netdrv_rx_config | (NETDRV_R32 (RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); NETDRV_W32_F (RxConfig, i); /* Check this value: the documentation for IFG contradicts ifself. */ NETDRV_W32 (TxConfig, (TX_DMA_BURST << TxDMAShift)); /* unlock Config[01234] and BMCR register writes */ NETDRV_W8_F (Cfg9346, Cfg9346_Unlock); udelay (10); tp->cur_rx = 0;