From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Subject: Re: [PATCHv5 2/5] arm: socfpga: Enable OCRAM ECC on startup. Date: Wed, 12 Nov 2014 01:33:06 -0600 Message-ID: <54630D32.1000307@opensource.altera.com> References: <1415751263-1830-1-git-send-email-tthayer@opensource.altera.com> <1415751263-1830-3-git-send-email-tthayer@opensource.altera.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1415751263-1830-3-git-send-email-tthayer@opensource.altera.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: tthayer@opensource.altera.com, bp@alien8.de, dougthompson@xmission.com, m.chehab@samsung.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, grant.likely@linaro.org Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, tthayer.linux@gmail.com, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org List-Id: devicetree@vger.kernel.org On 11/11/14, 6:14 PM, tthayer@opensource.altera.com wrote: > From: Thor Thayer > > This patch enables the ECC for On-Chip RAM on machine > startup. The ECC has to be enabled before data is > is stored in memory otherwise the ECC will fail on > reads. > > Signed-off-by: Thor Thayer > --- > v2: Split OCRAM ECC portion separately. Addition of iounmap() > and reorganization of gen_pool_free. Remove defconfig from patch. > > v3/4: No change > > v5: Remove ocram.h, use io.h instead of clk-provider.h > Check prop in correct place. Add ECC EN defines. > --- > arch/arm/mach-socfpga/Makefile | 1 + > arch/arm/mach-socfpga/core.h | 1 + > arch/arm/mach-socfpga/ocram.c | 90 +++++++++++++++++++++++++++++++++++++++ > arch/arm/mach-socfpga/socfpga.c | 9 ++++ > 4 files changed, 101 insertions(+) > create mode 100644 arch/arm/mach-socfpga/ocram.c > Acked-by: Dinh Nguyen