From mboxrd@z Thu Jan 1 00:00:00 1970 From: josh.wu@atmel.com (Josh Wu) Date: Wed, 19 Dec 2012 18:27:20 +0800 Subject: [PATCH 3/3] at91: at91sam9n12: add DT parameters to enable PMECC In-Reply-To: <1355912840-29501-1-git-send-email-josh.wu@atmel.com> References: <1355912840-29501-1-git-send-email-josh.wu@atmel.com> Message-ID: <1355912840-29501-4-git-send-email-josh.wu@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Default ecc correctable setting is 2bits in 512 bytes. Signed-off-by: Josh Wu --- arch/arm/boot/dts/at91sam9n12.dtsi | 1 + arch/arm/boot/dts/at91sam9n12ek.dts | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 82508d6..c9719ce 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -213,6 +213,7 @@ 0xffffe600 0x00000200 0x00100000 0x00100000 >; + atmel,pmecc-lookup-table-offset = <0x8000 0x10000>; atmel,nand-addr-offset = <21>; atmel,nand-cmd-offset = <22>; gpios = <&pioD 5 0 diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index 912b2c2..88ee0da 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts @@ -49,7 +49,10 @@ nand0: nand@40000000 { nand-bus-width = <8>; - nand-ecc-mode = "soft"; + nand-ecc-mode = "hw"; + atmel,has-pmecc; + atmel,pmecc-cap = <2>; + atmel,pmecc-sector-size = <512>; nand-on-flash-bbt; status = "okay"; }; -- 1.7.9.5