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The CONFIG_ALTERA_EDAC Kconfig symbol always enables the SDRAM EDAC
functionality. On the newer architectures, however, there are cases
where the peripheral EDAC functionality is enabled but SDRAM needs to be
disabled.
Move SDRAM functions so they can be contained inside the conditional
CONFIG. Create new CONFIG option just for SDRAM.
[ bp: Massage commit message. ]
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: dinguyen@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux@armlinux.org.uk
Link: https://lkml.kernel.org/r/1551121006-4657-2-git-send-email-thor.thayer@linux.intel.com
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I10NM_EDAC depends on CONFIG_ACPI so make that dependency explicit.
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/20190205180200.26865-1-tony.luck@intel.com
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This driver supports the Intel 10nm series server integrated memory
controller. It gets the memory capacity and topology information by
reading the registers in PCI configuration space and memory-mapped I/O.
It decodes the memory error address to the platform specific address
by using the ACPI Address Translation (ADXL) Device Specific Method
(DSM).
Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/20190130191519.15393-5-tony.luck@intel.com
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Add support for the Aspeed AST2500 SoC.
Signed-off-by: Stefan M Schaeckeler <sschaeck@cisco.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-aspeed@lists.ozlabs.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/1547743097-5236-2-git-send-email-schaecsn@gmx.net
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It was previously noted that Kconfig complained about unmet dependencies
when trying to configure skx_edac together with CONFIG_ACPI=n. First fix
for this checked for ACPI when doing
select ACPI_ADXL
but this required stub functions for the case where ACPI wasn't
selected. It also allowed building a driver that didn't actually work
for a system that has non-volatile DIMMs.
Arnd Bergmann pointed out that the right fix is to make EDAC_SKX
"depend on ACPI".
Fixes: a324e9396ca3 ("EDAC, skx: Fix randconfig builds")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-edac <linux-edac@vger.kernel.org>
CC: qiuxu.zhuo@intel.com
Link: http://lkml.kernel.org/r/20181106183914.GA26731@agluck-desk
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Add ECC support for ZynqMP DDR controller IP. The IP supports interrupts
for corrected and uncorrected errors. Add interrupt handlers for the
same.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-5-git-send-email-manish.narani@xilinx.com
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull more EDAC updates from Borislav Petkov:
"The second part of the EDAC pile which contains the ADXL user and a
build fix which addresses a not-so-sensical .config but fixes
randconfig builds people do:
- skx_edac: Address translation for NVDIMMs (Tony Luck and Qiuxu Zhuo)
- ACPI_ADXL build fix"
[ I don't think "sensical" is a word, particularly when used in the
context of actually meaning "nonsensical", but I like it - Linus ]
* tag 'edac_for_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, skx: Fix randconfig builds
EDAC, skx_edac: Add address translation for non-volatile DIMMs
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The driver depends on the ADXL component glue and selects it. However,
ADXL itself implicitly depends on ACPI and in nonsensical randconfig
builds like this:
# CONFIG_ACPI is not set
CONFIG_ACPI_ADXL=y
where ACPI is not enabled, the build fails with:
drivers/edac/skx_edac.o: In function `skx_mce_check_error':
skx_edac.c:(.text+0xab): undefined reference to `adxl_decode'
drivers/edac/skx_edac.o: In function `skx_init':
skx_edac.c:(.init.text+0x8bf): undefined reference to `adxl_get_component_names'
make: *** [vmlinux] Error 1
Add stubs for that case so that the build succeeds. CONFIG_ACPI=n
doesn't make any sense for real configurations but this fix will at
least silence randconfig builds.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
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Currently, this driver doesn't support address translation for
non-volatile DIMMs.
The ACPI ADXL DSM method provides address translation for both volatile
and non-volatile DIMMs. Enable it to use the ACPI DSM methods if they
are supported and there are non-volatile DIMMs populated on the system.
Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: arozansk@redhat.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1540106336-5212-1-git-send-email-qiuxu.zhuo@intel.com
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Add error reporting driver for Single Bit Errors (SBEs) and Double Bit
Errors (DBEs). As of now, this driver supports error reporting for
Last Level Cache Controller (LLCC) of Tag RAM and Data RAM. Interrupts
are triggered when the errors happen in the cache, the driver handles
those interrupts and dumps the syndrome registers.
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Co-developed-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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Prevent build error when CONFIG_ACPI_NFIT=m and CONFIG_EDAC_SKX=y by
limiting EDAC_SKX based on how ACPI_NFIT is set.
Fixes this build error:
drivers/edac/skx_edac.o: In function `get_nvdimm_info':
../drivers/edac/skx_edac.c:399: undefined reference to `nfit_get_smbios_id'
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Fixes: 58ca9ac1463d ("EDAC, skx_edac: Detect non-volatile DIMMs")
Link: http://lkml.kernel.org/r/3af91354-8e19-d2af-1bba-ced8dce053f1@infradead.org
Signed-off-by: Borislav Petkov <bp@suse.de>
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Support for Stratix10 SDRAM ECC requires the use of SMC calls to Secure
Monitor for accessing registers.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: catalin.marinas@arm.com
Cc: devicetree@vger.kernel.org
Cc: dinguyen@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: robh+dt@kernel.org
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/1524854238-19394-3-git-send-email-thor.thayer@linux.intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Pull EDAC updates from Borislav Petkov:
"Noteworthy is the NVDIMM support:
- NVDIMM support to EDAC (Tony Luck)
- misc fixes"
* tag 'edac_for_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, sb_edac: Remove variable length array usage
EDAC, skx_edac: Detect non-volatile DIMMs
firmware, DMI: Add function to look up a handle and return DIMM size
acpi, nfit: Add function to look up nvdimm device and provide SMBIOS handle
EDAC: Add new memory type for non-volatile DIMMs
EDAC: Drop duplicated array of strings for memory type names
EDAC, layerscape: Allow building for LS1021A
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The Tile architecture is obsolete and getting removed from the kernel,
this driver appears to only be used there, and not on the ARM based
successors (Tile-Mx, BlueField), so we should remove it as well.
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This just covers the topology function of the EDAC driver. We locate
which DIMM slots are populated with NVDIMMs and query the NFIT and
SMBIOS tables to get the size.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: linux-acpi@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-nvdimm@lists.01.org
Link: http://lkml.kernel.org/r/20180312182430.10335-6-tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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The LS1021A has a memory controller supported by this driver. It builds
just fine, and I've done some rudimentary testing using the error
injection facility, which suggests that it is indeed working.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: York Sun <york.sun@nxp.com>
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180220150912.2954-1-rasmus.villemoes@prevas.dk
Signed-off-by: Borislav Petkov <bp@suse.de>
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TI Keystone and DRA7xx SoCs have support for EDAC on DDR3 memory that can
correct one bit errors and detect two bit errors. Add EDAC driver for this
feature which plugs into the generic kernel EDAC framework.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-omap@vger.kernel.org
Link: http://lkml.kernel.org/r/1510578490-14510-1-git-send-email-t-kristo@ti.com
[ Add SPDX tag and make _emif_get_id() use edac_printk(). ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Leave it to the user to decide whether to enable this or not. Otherwise,
platform-specific drivers won't initialize (currently, EDAC supports
only a single platform driver loaded).
Signed-off-by: Borislav Petkov <bp@suse.de>
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Remove the old URLs.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Move all the EDAC core functionality behind CONFIG_EDAC and get rid of
that indirection. Update defconfigs which had it.
While at it, fix dependencies such that EDAC depends on RAS for the
tracepoints.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: linux-edac@vger.kernel.org
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Add support for Cavium ThunderX EDAC capable on-chip peripherals, namely
the DRAM controller (LMC), cache coherent processor interconnect (CCPI)
and level 2 cache blocks (L2C-TAD, L2C-MCI, L2C-CBC)
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Cc: David.Daney@cavium.com
Cc: Jan.Glauber@cavium.com
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170324222837.60583-1-s.temerkhanov@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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The debugfs.c functionality relies on DEBUG_FS so select it.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Initial target for this driver is the Intel Apollo Lake platform and
Denverton micro-server, they use the same internal memory controller IP
called Pondicherry2.
Memory controller registers are not in PCI config space like earlier
Intel memory controllers. For Apollo Lake platform they are accessed via
a "side-band" interface, for Denverton micro-server they are access via
PCI config space and memory map I/O. This driver is for Apollo Lake and
Denverton, but only the Denverton is fully enabled while we wait for the
sideband driver.
Apollo lake driver and initial cut at Denverton driver by Tony Luck.
Extensive cleanup, refactoring and basic verification by Qiuxu Zhuo.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170308174539.14432-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Pull EDAC updates from Borislav Petkov:
"A lot of movement in the EDAC tree this time around, coarse summary
below:
- Altera Arria10 enablement of NAND, DMA, USB, QSPI and SD-MMC FIFO
buffers (Thor Thayer)
- split the memory controller part out of mpc85xx and share it with a
new Freescale ARM Layerscape driver (York Sun)
- amd64_edac fixes (Yazen Ghannam)
- misc cleanups, refactoring and fixes all over the place"
* tag 'edac_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (37 commits)
EDAC, altera: Add IRQ Flags to disable IRQ while handling
EDAC, altera: Correct EDAC IRQ error message
EDAC, amd64: Autoload module using x86_cpu_id
EDAC, sb_edac: Remove NULL pointer check on array pci_tad
EDAC: Remove NO_IRQ from powerpc-only drivers
EDAC, fsl_ddr: Fix error return code in fsl_mc_err_probe()
EDAC, fsl_ddr: Add entry to MAINTAINERS
EDAC: Move Doug Thompson to CREDITS
EDAC, I3000: Orphan driver
EDAC, fsl_ddr: Replace simple_strtoul() with kstrtoul()
EDAC, layerscape: Add Layerscape EDAC support
EDAC, fsl_ddr: Fix IRQ dispose warning when module is removed
EDAC, fsl_ddr: Add support for little endian
EDAC, fsl_ddr: Add missing DDR DRAM types
EDAC, fsl_ddr: Rename macros and names
EDAC, fsl-ddr: Separate FSL DDR driver from MPC85xx
EDAC, mpc85xx: Replace printk() with pr_* format
EDAC, mpc85xx: Drop setting/clearing RFXE bit in HID1
EDAC, altera: Rename MC trigger to common name
EDAC, altera: Rename device trigger to common name
...
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Add DDR EDAC driver for ARM-based compatible controllers. Both
big-endian and little-endian are supported, as specified in device tree.
Signed-off-by: York Sun <york.sun@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1471990465-27443-1-git-send-email-york.sun@nxp.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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This is an entirely new driver instead of yet another set of patches
to sb_edac.c because:
1) Mapping from PCI devices to socket/memory controller is significantly
different. Skylake scatters devices on a socket across a number of
PCI buses.
2) There is an extra level of interleaving via the "mcroute" register
that would be a little messy to squeeze into the old driver.
3) Validation is getting too expensive. Changes to sb_edac need to
be checked against Sandy Bridge, Ivy Bridge, Haswell, Broadwell and
Knights Landing.
Acked-by: Aristeu Rozanski <aris@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add Altera Arria10 SD-MMC FIFO memory EDAC support. The SD-MMC is a
dual port RAM implementation which is different than any of the other
peripherals and therefore requires additional code.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1470753653-23465-3-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add Altera Arria10 QSPI FIFO memory support.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-9-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add Altera Arria10 USB FIFO memory support.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-8-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add Altera Arria10 DMA FIFO memory support.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-7-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add Altera Arria10 NAND FIFO memory support.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-6-git-send-email-tthayer@opensource.altera.com
[ Reformat loop in altr_edac_a10_probe() for better readability. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add Altera Arria10 Ethernet FIFO memory EDAC support. Update to support
a common compatibility string for all Ethernet FIFOs in the DT.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1466603939-7526-8-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Make L2 cache depend instead of forcibly select the L2 cache support.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@arm.linux.org.uk
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1458576106-24505-2-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add L2 Cache and On-Chip RAM EDAC support for the Altera SoCs. The SDRAM
controller is using the Memory Controller model.
Each type of ECC is individually configurable.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@opensource.altera.com
Cc: galak@codeaurora.org
Cc: grant.likely@linaro.org
Cc: ijc+devicetree@hellion.org.uk
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@arm.linux.org.uk
Cc: linux-doc@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: pawel.moll@arm.com
Cc: robh+dt@kernel.org
Link: http://lkml.kernel.org/r/1455132384-17108-1-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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This is an x86-specific module and would benefit from being
closer to the arch code. Move it there. Update copyright while
at it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-14-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Remove mpc83xx and mpc85xx as dependency.
Signed-off-by: York Sun <yorksun@freescale.com>
Acked-by: Johannes Thumshirn <morbidrsa@gmail.com>
Cc: Mingkai.hu@freescale.com
Link: http://lkml.kernel.org/r/1431425022-44766-1-git-send-email-Wenbin.Song@freescale.com
Signed-off-by: songwenbin <wenbin.song@freescale.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add support for the APM X-Gene SoC EDAC driver.
Signed-off-by: Loc Ho <lho@apm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: devicetree@vger.kernel.org
Cc: dougthompson@xmission.com
Cc: ijc+devicetree@hellion.org.uk
Cc: jcm@redhat.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: mchehab@osg.samsung.com
Cc: patches@apm.com
Cc: robh+dt@kernel.org
Link: http://lkml.kernel.org/r/1432337580-3750-5-git-send-email-lho@apm.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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So first of all, this atomic_scrub() function's naming is bad. It looks
like an atomic_t helper. Change it to edac_atomic_scrub().
The bigger problem is that this function is arch-specific and every new
arch which doesn't necessarily need that functionality still needs to
define it, otherwise EDAC doesn't compile.
So instead of doing that and including arch-specific headers, have each
arch define an EDAC_ATOMIC_SCRUB symbol which can be used in edac_mc.c
for ifdeffery. Much cleaner.
And we already are doing this with another symbol - EDAC_SUPPORT. This
is also much cleaner than having CONFIG_EDAC enumerate all the arches
which need/have EDAC support and drivers.
This way I can kill the useless edac.h header in tile too.
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Chris Metcalf <cmetcalf@ezchip.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: "Maciej W. Rozycki" <macro@codesourcery.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>
Cc: x86@kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
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The SDRAM EDAC requires SDRAM configuration/initialization before SDRAM
is accessed (in the preloader) and therefore before Linux is loaded.
Having a module compile is not desired so force to be built into kernel.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: mchehab@osg.samsung.com
Cc: Takashi Iwai <tiwai@suse.de>
Link: http://lkml.kernel.org/r/1429308974-26380-3-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add EDAC support for ecc errors reporting on the synopsys ddr
controller. The ddr ecc controller corrects single bit errors and
detects double bit errors.
Selected important-ish notes from the changelog:
- I have not taken care of spliting synps_edac_geterror_info function as
it adds additional indentation levels and moreover the existing changes
were made as part of the v2 review comments
- Removed dt binding info as already there is a binding info available
under memorycontroller. so, updated ecc info there.
- Shortened the prefix "sysnopsys" to "synps"
Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Link: http://lkml.kernel.org/r/a728a8d4678f4dbf9de189a480297c3d@BY2FFO11FD034.protection.gbl
[ Boris: massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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This module's interface belongs in debugfs, not in sysfs.
Signed-off-by: Borislav Petkov <bp@suse.de>
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By popular demand, enable amd64_edac on 32-bit too.
Boris:
- update Kconfig text.
- add a warning on load which states that 32-bit configurations are unsupported.
Signed-off-by: Tomasz Pala <gotar@polanet.pl>
Link: http://lkml.kernel.org/r/20141102102212.GA7034@polanet.pl
Signed-off-by: Borislav Petkov <bp@suse.de>
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This patch adds support for the CycloneV and ArriaV SDRAM controllers.
Correction and reporting of SBEs, Panic on DBEs.
There was a discussion thread on whether this driver should be an mfd driver
or just make use of syscon, which is already a mfd. Ultimately, the
decision to use a simple syscon interface was reached.[1]
[1] https://lkml.org/lkml/2014/7/30/514
[dinguyen] Fixed Kconfig to have EDAC_ALTERA_MC as a tristate to prevent a
build failure for allmodconfig.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Borislav Petkov <bp@suse.de>
[dinguyen] cleaned up commit message
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
Pull EDAC updates from Mauro Carvalho Chehab.
* 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
sb_edac: add support for Haswell based systems
sb_edac: Fix mix tab/spaces alignments
edac: add DDR4 and RDDR4
sb_edac: remove bogus assumption on mc ordering
sb_edac: make minimal use of channel_mask
sb_edac: fix socket detection on Ivy Bridge controllers
sb_edac: update Kconfig description
sb_edac: search devices using product id
sb_edac: make RIR limit retrieval per model
sb_edac: make node id retrieval per model
sb_edac: make memory type detection per memory controller
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Ingo Molnar:
"The main changes in this cycle are:
- RAS tracing/events infrastructure, by Gong Chen.
- Various generalizations of the APEI code to make it available to
non-x86 architectures, by Tomasz Nowicki"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ras: Fix build warnings in <linux/aer.h>
acpi, apei, ghes: Factor out ioremap virtual memory for IRQ and NMI context.
acpi, apei, ghes: Make NMI error notification to be GHES architecture extension.
apei, mce: Factor out APEI architecture specific MCE calls.
RAS, extlog: Adjust init flow
trace, eMCA: Add a knob to adjust where to save event log
trace, RAS: Add eMCA trace event interface
RAS, debugfs: Add debugfs interface for RAS subsystem
CPER: Adjust code flow of some functions
x86, MCE: Robustify mcheck_init_device
trace, AER: Move trace into unified interface
trace, RAS: Add basic RAS trace event
x86, MCE: Kill CPU_POST_DEAD
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Add a driver for the E3-1200 series of Intel DRAM controllers, based on
the following E3-1200 specs:
http://www.intel.com/content/www/us/en/processors/xeon/xeon-e3-1200-family-vol-2-datasheet.html
http://www.intel.com/content/www/us/en/processors/xeon/xeon-e3-1200v3-vol-2-datasheet.html
I've tested this on bad memory hardware, and observed correlating bad
reads and uncorrected memory errors as reported by the driver.
Tested against:
CPU E3-1270 v3 @ 3.50GHz : 8086:0c08 (haswell)
CPU E3-1270 V2 @ 3.50GHz : 8086:0158 (ivy bridge)
CPU E31270 @ 3.40GHz : 8086:0108 (sandy bridge)
Signed-off-by: Jason Baron <jbaron@akamai.com>
Link: http://lkml.kernel.org/r/95c83e80dd40b5377e8bb206285c5d95ac623872.1403818526.git.jbaron@akamai.com
[ Boris: realign defines ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Haswell memory controllers are very similar to Ivy Bridge and Sandy Bridge
ones. This patch adds support to Haswell based systems.
[m.chehab@samsung.com: Fix CodingStyle issues]
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Kconfig wasn't updated when Ivy Bridge support was added.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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To avoid confuision and conflict of usage for RAS related trace event,
add an unified RAS trace event stub.
Start a RAS subsystem menu which will be fleshed out in time, when more
features get added to it.
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Link: http://lkml.kernel.org/r/1402475691-30045-2-git-send-email-gong.chen@linux.intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Pull MIPS updates from Ralf Baechle:
"MIPS updates:
- All the things that didn't make 3.10.
- Removes the Windriver PPMC platform. Nobody will miss it.
- Remove a workaround from kernel/irq/irqdomain.c which was there
exclusivly for MIPS. Patch by Grant Likely.
- More small improvments for the SEAD 3 platform
- Improvments on the BMIPS / SMP support for the BCM63xx series.
- Various cleanups of dead leftovers.
- Platform support for the Cavium Octeon-based EdgeRouter Lite.
Two large KVM patchsets didn't make it for this pull request because
their respective authors are vacationing"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (124 commits)
MIPS: Kconfig: Add missing MODULES dependency to VPE_LOADER
MIPS: BCM63xx: CLK: Add dummy clk_{set,round}_rate() functions
MIPS: SEAD3: Disable L2 cache on SEAD-3.
MIPS: BCM63xx: Enable second core SMP on BCM6328 if available
MIPS: BCM63xx: Add SMP support to prom.c
MIPS: define write{b,w,l,q}_relaxed
MIPS: Expose missing pci_io{map,unmap} declarations
MIPS: Malta: Update GCMP detection.
Revert "MIPS: make CAC_ADDR and UNCAC_ADDR account for PHYS_OFFSET"
MIPS: APSP: Remove <asm/kspd.h>
SSB: Kconfig: Amend SSB_EMBEDDED dependencies
MIPS: microMIPS: Fix improper definition of ISA exception bit.
MIPS: Don't try to decode microMIPS branch instructions where they cannot exist.
MIPS: Declare emulate_load_store_microMIPS as a static function.
MIPS: Fix typos and cleanup comment
MIPS: Cleanup indentation and whitespace
MIPS: BMIPS: support booting from physical CPU other than 0
MIPS: Only set cpu_has_mmips if SYS_SUPPORTS_MICROMIPS
MIPS: GIC: Fix gic_set_affinity infinite loop
MIPS: Don't save/restore OCTEON wide multiplier state on syscalls.
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