Patchwork [3/5] ARM: at91: at91sam9n12: add DT parameters to enable PMECC

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Submitter Wu, Josh
Date Jan. 23, 2013, 12:47 p.m.
Message ID <1358945232-2282-4-git-send-email-josh.wu@atmel.com>
Download mbox | patch
Permalink /patch/214933/
State New
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Comments

Wu, Josh - Jan. 23, 2013, 12:47 p.m.
Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
---
 arch/arm/boot/dts/at91sam9n12.dtsi  |    3 ++-
 arch/arm/boot/dts/at91sam9n12ek.dts |    5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 80e29c6..a3a3fdb 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -390,8 +390,9 @@ 
 			reg = < 0x40000000 0x10000000
 				0xffffe000 0x00000600
 				0xffffe600 0x00000200
-				0x00100000 0x00100000
+				0x00108000 0x00018000
 			       >;
+			atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
 			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";
 		};