From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: klightspeed@lurch.lan.killerwolves.net Subject: [PATCH] ARM: MVEBU: Netgear RN102: Use Hardware BCH ECC Date: Fri, 5 Sep 2014 16:18:53 +1000 Message-Id: <1409897933-9200-1-git-send-email-klightspeed@killerwolves.net> To: linux-arm-kernel@lists.infradead.org, Arnaud Ebalard Cc: Ben Peddell , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Jason Cooper , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: The bootloader on the Netgear ReadyNAS RN102 uses Hardware BCH ECC (strength = 4), while the pxa3xx NAND driver by default uses Hamming ECC (strength = 1). This patch changes the ECC mode on these machines to match that of the bootloader and of the stock firmware, so that for example updating the kernel is possible without requiring a serial connection. This patch depends on commit 5b3e507 (mtd: nand: pxa3xx: Use ECC strength and step size devicetree binding) Signed-off-by: Ben Peddell --- arch/arm/boot/dts/armada-370-netgear-rn102.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts index d6d572e..285524f 100644 --- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts +++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts @@ -143,6 +143,10 @@ marvell,nand-enable-arbiter; nand-on-flash-bbt; + /* Use Hardware BCH ECC */ + nand-ecc-strength = <4>; + nand-ecc-step-size = <512>; + partition@0 { label = "u-boot"; reg = <0x0000000 0x180000>; /* 1.5MB */ -- 1.8.5.5