Patchwork [v2,3/3] at91: at91sam9n12: add DT parameters to enable PMECC

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Submitter Wu, Josh
Date Jan. 17, 2013, 3:24 a.m.
Message ID <1358393072-14794-4-git-send-email-josh.wu@atmel.com>
Download mbox | patch
Permalink /patch/213129/
State New
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Comments

Wu, Josh - Jan. 17, 2013, 3:24 a.m.
Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
---
change log:
   v2: rebase to v3.8-rc3

 arch/arm/boot/dts/at91sam9n12.dtsi  |    1 +
 arch/arm/boot/dts/at91sam9n12ek.dts |    5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
Jean-Christophe PLAGNIOL-VILLARD - Jan. 17, 2013, 7:36 p.m.
On 11:24 Thu 17 Jan     , Josh Wu wrote:
> Default ecc correctable setting is 2bits in 512 bytes.
> 
> Signed-off-by: Josh Wu <josh.wu@atmel.com>
this must go via at91 tree

so we can manage other mergie issue on dts

Best Regards,
J.
> ---
> change log:
>    v2: rebase to v3.8-rc3
> 
>  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 e9efb34..eb9f12e 100644
> --- a/arch/arm/boot/dts/at91sam9n12.dtsi
> +++ b/arch/arm/boot/dts/at91sam9n12.dtsi
> @@ -366,6 +366,7 @@
>  				0xffffe600 0x00000200
>  				0x00100000 0x00100000
>  			       >;
> +			atmel,pmecc-lookup-table-offset = <0x8000 0x10000>;
>  			atmel,nand-addr-offset = <21>;
>  			atmel,nand-cmd-offset = <22>;
>  			pinctrl-names = "default";
> diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
> index 0376bf4..d400f8d 100644
> --- a/arch/arm/boot/dts/at91sam9n12ek.dts
> +++ b/arch/arm/boot/dts/at91sam9n12ek.dts
> @@ -71,7 +71,10 @@
>  
>  		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
>

Patch

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index e9efb34..eb9f12e 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -366,6 +366,7 @@ 
 				0xffffe600 0x00000200
 				0x00100000 0x00100000
 			       >;
+			atmel,pmecc-lookup-table-offset = <0x8000 0x10000>;
 			atmel,nand-addr-offset = <21>;
 			atmel,nand-cmd-offset = <22>;
 			pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index 0376bf4..d400f8d 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -71,7 +71,10 @@ 
 
 		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";
 		};