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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 Elliott11 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 Kim7 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...
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-08 19:57:21 -0400
span> 0; /* * Cycle through the upper or lower 32-bit portion of each value in * ecc_table depending on if 'bit' is in the upper or lower half of * 64-bit data. */ for (i = bit < 32; i < 16; i += 2) syndrome |= ((ecc_table[i] >> (bit % 32)) & 1) << (i / 2); return syndrome; } /* * Decode data and ecc syndrome to determine what went wrong * Note: This can only decode single-bit errors */ static void sbe_ecc_decode(u32 cap_high, u32 cap_low, u32 cap_ecc, int *bad_data_bit, int *bad_ecc_bit) { int i; u8 syndrome; *bad_data_bit = -1; *bad_ecc_bit = -1; /* * Calculate the ECC of the captured data and XOR it with the captured * ECC to find an ECC syndrome value we can search for */ syndrome = calculate_ecc(cap_high, cap_low) ^ cap_ecc; /* Check if a data line is stuck... */ for (i = 0; i < 64; i++) { if (syndrome == syndrome_from_bit(i)) { *bad_data_bit = i; return; } } /* If data is correct, check ECC bits for errors... */ for (i = 0; i < 8; i++) { if ((syndrome >> i) & 0x1) { *bad_ecc_bit = i; return; } } } static void mpc85xx_mc_check(struct mem_ctl_info *mci) { struct mpc85xx_mc_pdata *pdata = mci->pvt_info; struct csrow_info *csrow; u32 bus_width; u32 err_detect; u32 syndrome; u32 err_addr; u32 pfn; int row_index; u32 cap_high; u32 cap_low; int bad_data_bit; int bad_ecc_bit; err_detect = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT); if (!err_detect) return; mpc85xx_mc_printk(mci, KERN_ERR, "Err Detect Register: %#8.8x\n", err_detect); /* no more processing if not ECC bit errors */ if (!(err_detect & (DDR_EDE_SBE | DDR_EDE_MBE))) { out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT, err_detect); return; } syndrome = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ECC); /* Mask off appropriate bits of syndrome based on bus width */ bus_width = (in_be32(pdata->mc_vbase + MPC85XX_MC_DDR_SDRAM_CFG) & DSC_DBW_MASK) ? 32 : 64; if (bus_width == 64) syndrome &= 0xff; else syndrome &= 0xffff; err_addr = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ADDRESS); pfn = err_addr >> PAGE_SHIFT; for (row_index = 0; row_index < mci->nr_csrows; row_index++) { csrow = mci->csrows[row_index]; if ((pfn >= csrow->first_page) && (pfn <= csrow->last_page)) break; } cap_high = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_DATA_HI); cap_low = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_DATA_LO); /* * Analyze single-bit errors on 64-bit wide buses * TODO: Add support for 32-bit wide buses */ if ((err_detect & DDR_EDE_SBE) && (bus_width == 64)) { sbe_ecc_decode(cap_high, cap_low, syndrome, &bad_data_bit, &bad_ecc_bit); if (bad_data_bit != -1) mpc85xx_mc_printk(mci, KERN_ERR, "Faulty Data bit: %d\n", bad_data_bit); if (bad_ecc_bit != -1) mpc85xx_mc_printk(mci, KERN_ERR, "Faulty ECC bit: %d\n", bad_ecc_bit); mpc85xx_mc_printk(mci, KERN_ERR, "Expected Data / ECC:\t%#8.8x_%08x / %#2.2x\n", cap_high ^ (1 << (bad_data_bit - 32)), cap_low ^ (1 << bad_data_bit), syndrome ^ (1 << bad_ecc_bit)); } mpc85xx_mc_printk(mci, KERN_ERR, "Captured Data / ECC:\t%#8.8x_%08x / %#2.2x\n", cap_high, cap_low, syndrome); mpc85xx_mc_printk(mci, KERN_ERR, "Err addr: %#8.8x\n", err_addr); mpc85xx_mc_printk(mci, KERN_ERR, "PFN: %#8.8x\n", pfn); /* we are out of range */ if (row_index == mci->nr_csrows) mpc85xx_mc_printk(mci, KERN_ERR, "PFN out of range!\n"); if (err_detect & DDR_EDE_SBE) edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, pfn, err_addr & ~PAGE_MASK, syndrome, row_index, 0, -1, mci->ctl_name, ""); if (err_detect & DDR_EDE_MBE) edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, pfn, err_addr & ~PAGE_MASK, syndrome, row_index, 0, -1, mci->ctl_name, ""); out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT, err_detect); } static irqreturn_t mpc85xx_mc_isr(int irq, void *dev_id) { struct mem_ctl_info *mci = dev_id; struct mpc85xx_mc_pdata *pdata = mci->pvt_info; u32 err_detect; err_detect = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT); if (!err_detect) return IRQ_NONE; mpc85xx_mc_check(mci); return IRQ_HANDLED; } static void mpc85xx_init_csrows(struct mem_ctl_info *mci) { struct mpc85xx_mc_pdata *pdata = mci->pvt_info; struct csrow_info *csrow; struct dimm_info *dimm; u32 sdram_ctl; u32 sdtype; enum mem_type mtype; u32 cs_bnds; int index; sdram_ctl = in_be32(pdata->mc_vbase + MPC85XX_MC_DDR_SDRAM_CFG); sdtype = sdram_ctl & DSC_SDTYPE_MASK; if (sdram_ctl & DSC_RD_EN) { switch (sdtype) { case DSC_SDTYPE_DDR: mtype = MEM_RDDR; break; case DSC_SDTYPE_DDR2: mtype = MEM_RDDR2; break; case DSC_SDTYPE_DDR3: mtype = MEM_RDDR3; break; default: mtype = MEM_UNKNOWN; break; } } else { switch (sdtype) { case DSC_SDTYPE_DDR: mtype = MEM_DDR; break; case DSC_SDTYPE_DDR2: mtype = MEM_DDR2; break; case DSC_SDTYPE_DDR3: mtype = MEM_DDR3; break; default: mtype = MEM_UNKNOWN; break; } } for (index = 0; index < mci->nr_csrows; index++) { u32 start; u32 end; csrow = mci->csrows[index]; dimm = csrow->channels[0]->dimm; cs_bnds = in_be32(pdata->mc_vbase + MPC85XX_MC_CS_BNDS_0 + (index * MPC85XX_MC_CS_BNDS_OFS)); start = (cs_bnds & 0xffff0000) >> 16; end = (cs_bnds & 0x0000ffff); if (start == end) continue; /* not populated */ start <<= (24 - PAGE_SHIFT); end <<= (24 - PAGE_SHIFT); end |= (1 << (24 - PAGE_SHIFT)) - 1; csrow->first_page = start; csrow->last_page = end; dimm->nr_pages = end + 1 - start; dimm->grain = 8; dimm->mtype = mtype; dimm->dtype = DEV_UNKNOWN; if (sdram_ctl & DSC_X32_EN) dimm->dtype = DEV_X32; dimm->edac_mode = EDAC_SECDED; } } static int mpc85xx_mc_err_probe(struct platform_device *op) { struct mem_ctl_info *mci; struct edac_mc_layer layers[2]; struct mpc85xx_mc_pdata *pdata; struct resource r; u32 sdram_ctl; int res; if (!devres_open_group(&op->dev, mpc85xx_mc_err_probe, GFP_KERNEL)) return -ENOMEM; layers[0].type = EDAC_MC_LAYER_CHIP_SELECT; layers[0].size = 4; layers[0].is_virt_csrow = true; layers[1].type = EDAC_MC_LAYER_CHANNEL; layers[1].size = 1; layers[1].is_virt_csrow = false; mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), layers, sizeof(*pdata)); if (!mci) { devres_release_group(&op->dev, mpc85xx_mc_err_probe); return -ENOMEM; } pdata = mci->pvt_info; pdata->name = "mpc85xx_mc_err"; pdata->irq = NO_IRQ; mci->pdev = &op->dev; pdata->edac_idx = edac_mc_idx++; dev_set_drvdata(mci->pdev, mci); mci->ctl_name = pdata->name; mci->dev_name = pdata->name; res = of_address_to_resource(op->dev.of_node, 0, &r); if (res) { printk(KERN_ERR "%s: Unable to get resource for MC err regs\n", __func__); goto err; } if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r), pdata->name)) { printk(KERN_ERR "%s: Error while requesting mem region\n", __func__); res = -EBUSY; goto err; } pdata->mc_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r)); if (!pdata->mc_vbase) { printk(KERN_ERR "%s: Unable to setup MC err regs\n", __func__); res = -ENOMEM; goto err; } sdram_ctl = in_be32(pdata->mc_vbase + MPC85XX_MC_DDR_SDRAM_CFG); if (!(sdram_ctl & DSC_ECC_EN)) { /* no ECC */ printk(KERN_WARNING "%s: No ECC DIMMs discovered\n", __func__); res = -ENODEV; goto err; } edac_dbg(3, "init mci\n"); mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_RDDR2 | MEM_FLAG_DDR | MEM_FLAG_DDR2; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; mci->edac_cap = EDAC_FLAG_SECDED; mci->mod_name = EDAC_MOD_STR; mci->mod_ver = MPC85XX_REVISION; if (edac_op_state == EDAC_OPSTATE_POLL) mci->edac_check = mpc85xx_mc_check; mci->ctl_page_to_phys = NULL; mci->scrub_mode = SCRUB_SW_SRC; mpc85xx_init_csrows(mci); /* store the original error disable bits */ orig_ddr_err_disable = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DISABLE); out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DISABLE, 0); /* clear all error bits */ out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT, ~0); if (edac_mc_add_mc(mci)) { edac_dbg(3, "failed edac_mc_add_mc()\n"); goto err; } if (mpc85xx_create_sysfs_attributes(mci)) { edac_mc_del_mc(mci->pdev); edac_dbg(3, "failed edac_mc_add_mc()\n"); goto err; } if (edac_op_state == EDAC_OPSTATE_INT) { out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_INT_EN, DDR_EIE_MBEE | DDR_EIE_SBEE); /* store the original error management threshold */ orig_ddr_err_sbe = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE) & 0xff0000; /* set threshold to 1 error per interrupt */ out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE, 0x10000); /* register interrupts */ pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0); res = devm_request_irq(&op->dev, pdata->irq, mpc85xx_mc_isr, IRQF_DISABLED | IRQF_SHARED, "[EDAC] MC err", mci); if (res < 0) { printk(KERN_ERR "%s: Unable to request irq %d for " "MPC85xx DRAM ERR\n", __func__, pdata->irq); irq_dispose_mapping(pdata->irq); res = -ENODEV; goto err2; } printk(KERN_INFO EDAC_MOD_STR " acquired irq %d for MC\n", pdata->irq); } devres_remove_group(&op->dev, mpc85xx_mc_err_probe); edac_dbg(3, "success\n"); printk(KERN_INFO EDAC_MOD_STR " MC err registered\n"); return 0; err2: edac_mc_del_mc(&op->dev); err: devres_release_group(&op->dev, mpc85xx_mc_err_probe); edac_mc_free(mci); return res; } static int mpc85xx_mc_err_remove(struct platform_device *op) { struct mem_ctl_info *mci = dev_get_drvdata(&op->dev); struct mpc85xx_mc_pdata *pdata = mci->pvt_info; edac_dbg(0, "\n"); if (edac_op_state == EDAC_OPSTATE_INT) { out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_INT_EN, 0); irq_dispose_mapping(pdata->irq); } out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DISABLE, orig_ddr_err_disable); out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE, orig_ddr_err_sbe); mpc85xx_remove_sysfs_attributes(mci); edac_mc_del_mc(&op->dev); edac_mc_free(mci); return 0; } static struct of_device_id mpc85xx_mc_err_of_match[] = { /* deprecate the fsl,85.. forms in the future, 2.6.30? */ { .compatible = "fsl,8540-memory-controller", }, { .compatible = "fsl,8541-memory-controller", }, { .compatible = "fsl,8544-memory-controller", }, { .compatible = "fsl,8548-memory-controller", }, { .compatible = "fsl,8555-memory-controller", }, { .compatible = "fsl,8568-memory-controller", }, { .compatible = "fsl,mpc8536-memory-controller", }, { .compatible = "fsl,mpc8540-memory-controller", }, { .compatible = "fsl,mpc8541-memory-controller", }, { .compatible = "fsl,mpc8544-memory-controller", }, { .compatible = "fsl,mpc8548-memory-controller", }, { .compatible = "fsl,mpc8555-memory-controller", }, { .compatible = "fsl,mpc8560-memory-controller", }, { .compatible = "fsl,mpc8568-memory-controller", }, { .compatible = "fsl,mpc8569-memory-controller", }, { .compatible = "fsl,mpc8572-memory-controller", }, { .compatible = "fsl,mpc8349-memory-controller", }, { .compatible = "fsl,p1020-memory-controller", }, { .compatible = "fsl,p1021-memory-controller", }, { .compatible = "fsl,p2020-memory-controller", }, { .compatible = "fsl,qoriq-memory-controller", }, {}, }; MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match); static struct platform_driver mpc85xx_mc_err_driver = { .probe = mpc85xx_mc_err_probe, .remove = mpc85xx_mc_err_remove, .driver = { .name = "mpc85xx_mc_err", .owner = THIS_MODULE, .of_match_table = mpc85xx_mc_err_of_match, }, }; #ifdef CONFIG_FSL_SOC_BOOKE static void __init mpc85xx_mc_clear_rfxe(void *data) { orig_hid1[smp_processor_id()] = mfspr(SPRN_HID1); mtspr(SPRN_HID1, (orig_hid1[smp_processor_id()] & ~HID1_RFXE)); } #endif static int __init mpc85xx_mc_init(void) { int res = 0; u32 pvr = 0; printk(KERN_INFO "Freescale(R) MPC85xx EDAC driver, " "(C) 2006 Montavista Software\n"); /* make sure error reporting method is sane */ switch (edac_op_state) { case EDAC_OPSTATE_POLL: case EDAC_OPSTATE_INT: break; default: edac_op_state = EDAC_OPSTATE_INT; break; } res = platform_driver_register(&mpc85xx_mc_err_driver); if (res) printk(KERN_WARNING EDAC_MOD_STR "MC fails to register\n"); res = platform_driver_register(&mpc85xx_l2_err_driver); if (res) printk(KERN_WARNING EDAC_MOD_STR "L2 fails to register\n"); #ifdef CONFIG_FSL_SOC_BOOKE pvr = mfspr(SPRN_PVR); if ((PVR_VER(pvr) == PVR_VER_E500V1) || (PVR_VER(pvr) == PVR_VER_E500V2)) { /* * need to clear HID1[RFXE] to disable machine check int * so we can catch it */ if (edac_op_state == EDAC_OPSTATE_INT) on_each_cpu(mpc85xx_mc_clear_rfxe, NULL, 0); } #endif return 0; } module_init(mpc85xx_mc_init); #ifdef CONFIG_FSL_SOC_BOOKE static void __exit mpc85xx_mc_restore_hid1(void *data) { mtspr(SPRN_HID1, orig_hid1[smp_processor_id()]); } #endif static void __exit mpc85xx_mc_exit(void) { #ifdef CONFIG_FSL_SOC_BOOKE u32 pvr = mfspr(SPRN_PVR); if ((PVR_VER(pvr) == PVR_VER_E500V1) || (PVR_VER(pvr) == PVR_VER_E500V2)) { on_each_cpu(mpc85xx_mc_restore_hid1, NULL, 0); } #endif platform_driver_unregister(&mpc85xx_l2_err_driver); platform_driver_unregister(&mpc85xx_mc_err_driver); } module_exit(mpc85xx_mc_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Montavista Software, Inc."); module_param(edac_op_state, int, 0444); MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll, 2=Interrupt");
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-08 19:57:21 -0400