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path: root/drivers/edac/altera_edac.c
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2016-03-29EDAC, altera: Add Arria10 L2 Cache ECC handlingThor Thayer1-0/+231
Add a private data structure for Arria10 L2 cache ECC and the probe function for it. The Arria10 ECC device IRQs are in a shared register so the ECC Manager parent/child relationship requires a different probe function. 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/1458576106-24505-8-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-03-29EDAC, altera: Add register offset for ECC Error InjectThor Thayer1-2/+5
In preparation for the Arria10 peripheral ECCs, add a register offset from the ECC base to the private data structure to index to the error injection register. 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/1458576106-24505-6-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-03-29EDAC, altera: Abstract ECC Enable Mask in check_deps()Thor Thayer1-2/+7
In preparation for the Arria10 peripheral ECCs, use the ECC Enable mask in place of hard coded masks in the check dependency functions. 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/1458576106-24505-5-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-03-29EDAC, altera: Remove platform device from check_deps()Thor Thayer1-5/+5
In preparation for the Arria10 peripheral ECCs, remove the platform device parameter from the check_deps() functions because it is not needed and makes the Arria10 check_deps() cleaner. 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/1458576106-24505-4-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-03-29EDAC, altera: Move device structs and defines to the headerThor Thayer1-43/+0
Move the device structs and defines to altera_edac.h in preparation for adding the Arria10 L2 cache ECC. 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/1458576106-24505-3-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-02-11EDAC, altera: Add Altera L2 cache and OCRAM supportThor Thayer1-2/+490
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>
2015-09-22EDAC, altera: Convert to debugfs wrappersBorislav Petkov1-12/+8
Use the EDAC-specific wrappers. Drop CONFIG_EDAC_DEBUG ifdeffery. Cc: Thor Thayer <tthayer@opensource.altera.com> Cc: <linux-edac@vger.kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de>
2015-06-24EDAC, altera: Do not allow suspend when EDAC is enabledAlan Tull1-0/+20
Suspend-to-RAM and EDAC support are mutually exclusive on SOCFPGA. If EDAC is enabled, it will prevent the platform from going into suspend. The reason is that the IRQ vectors for OCRAM reside on DDR and in Suspend-to-RAM mode we're executing out of OCRAM. If an ECC error occurs, we can't handle it so it was decided to make them mutually exclusive. Signed-off-by: Alan Tull <atull@opensource.altera.com> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Cc: dinh.linux@gmail.com Cc: dougthompson@xmission.com Cc: linux-edac <linux-edac@vger.kernel.org> Cc: mchehab@osg.samsung.com Cc: tthayer@opensource.altera.com Link: http://lkml.kernel.org/r/1433512155-9906-1-git-send-email-dinguyen@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2015-06-24EDAC, altera: Add Arria10 EDAC supportThor Thayer1-16/+119
The Arria10 SDRAM and ECC system differs significantly from the Cyclone5 and Arria5 SoCs. This patch adds support for the Arria10 SoC. 1) IRQ handler needs to support SHARED IRQ 2) Support sberr and dberr address reporting. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Cc: Arnd Bergmann <arnd@arndb.de> 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-edac <linux-edac@vger.kernel.org> Cc: m.chehab@samsung.com Cc: mark.rutland@arm.com Cc: pawel.moll@arm.com Cc: robh+dt@kernel.org Cc: tthayer.linux@gmail.com Link: http://lkml.kernel.org/r/1433428128-7292-4-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2015-06-24EDAC, altera: Refactor for Altera CycloneV SoCThor Thayer1-104/+90
The Arria10 SoC uses a completely different SDRAM controller from the earlier CycloneV and ArriaV SoCs. This patch abstracts the SDRAM bits for the CycloneV/ArriaV SoCs in preparation for the Arria10 support. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Cc: Arnd Bergmann <arnd@arndb.de> 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-edac <linux-edac@vger.kernel.org> Cc: m.chehab@samsung.com Cc: mark.rutland@arm.com Cc: pawel.moll@arm.com Cc: robh+dt@kernel.org Cc: tthayer.linux@gmail.com Link: http://lkml.kernel.org/r/1433428128-7292-3-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2015-06-24EDAC, altera: Generalize driver to use DT Memory sizeThor Thayer1-32/+26
The Arria10 SOC uses a completely different SDRAM controller from the earlier CycloneV and ArriaV SoCs. The memory size is calculated in the bootloader and passed via the device tree. Using this device tree size is more generic than using the register fields to calculate the memory size for different SDRAM controllers. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Cc: Arnd Bergmann <arnd@arndb.de> 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-edac <linux-edac@vger.kernel.org> Cc: m.chehab@samsung.com Cc: mark.rutland@arm.com Cc: pawel.moll@arm.com Cc: robh+dt@kernel.org Cc: tthayer.linux@gmail.com Link: http://lkml.kernel.org/r/1433428128-7292-2-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
2014-09-04edac: altera: Add Altera SDRAM EDAC supportThor Thayer1-0/+410
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>