From: josh.wu@atmel.com (Josh Wu)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] at91: 9x5: add DT parameters to enable PMECC
Date: Wed, 19 Dec 2012 18:27:19 +0800 [thread overview]
Message-ID: <1355912840-29501-3-git-send-email-josh.wu@atmel.com> (raw)
In-Reply-To: <1355912840-29501-1-git-send-email-josh.wu@atmel.com>
Default ecc correctable setting is 2bits in 512 bytes.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
---
arch/arm/boot/dts/at91sam9x5.dtsi | 4 ++++
arch/arm/boot/dts/at91sam9x5cm.dtsi | 5 ++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 03fc136..590f225 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -270,7 +270,11 @@
#address-cells = <1>;
#size-cells = <1>;
reg = <0x40000000 0x10000000
+ 0xffffe000 0x600 /* PMECC Registers */
+ 0xffffe600 0x200 /* PMECC Error Location Registers */
+ 0x00100000 0x100000 /* ROM code */
>;
+ 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/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
index 31e7be2..4027ac7 100644
--- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
@@ -26,7 +26,10 @@
ahb {
nand0: nand@40000000 {
nand-bus-width = <8>;
- nand-ecc-mode = "soft";
+ nand-ecc-mode = "hw";
+ atmel,has-pmecc; /* Enable PMECC */
+ atmel,pmecc-cap = <2>;
+ atmel,pmecc-sector-size = <512>;
nand-on-flash-bbt;
status = "okay";
--
1.7.9.5
next prev parent reply other threads:[~2012-12-19 10:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-19 10:27 [PATCH 0/3] at91: PMECC: enable PMECC in dt for at91sam9x5ek, at91sam9n12ek Josh Wu
2012-12-19 10:27 ` [PATCH 1/3] MTD: at91: atmel_nand: for PMECC, add code to choose the ecc bits and sector size according to the ONFI parameter ECC requirement Josh Wu
2013-01-15 12:26 ` Artem Bityutskiy
2013-01-16 1:50 ` Bo Shen
2013-01-16 8:28 ` Josh Wu
2013-01-17 11:54 ` Artem Bityutskiy
2012-12-19 10:27 ` Josh Wu [this message]
2012-12-19 10:27 ` [PATCH 3/3] at91: at91sam9n12: add DT parameters to enable PMECC Josh Wu
2013-01-14 9:01 ` [PATCH 0/3] at91: PMECC: enable PMECC in dt for at91sam9x5ek, at91sam9n12ek Josh Wu
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