From: Josh Wu <josh.wu@atmel.com>
To: linux-mtd@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, dedekind1@gmail.com
Cc: nicolas.ferre@atmel.com, plagnioj@jcrosoft.com,
Josh Wu <josh.wu@atmel.com>
Subject: [PATCH 2/5] ARM: at91: at91sam9x5: add DT parameters to enable PMECC
Date: Wed, 23 Jan 2013 20:47:09 +0800 [thread overview]
Message-ID: <1358945232-2282-3-git-send-email-josh.wu@atmel.com> (raw)
In-Reply-To: <1358945232-2282-1-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 3a47cf9..ecfafcf 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -498,7 +498,11 @@
#address-cells = <1>;
#size-cells = <1>;
reg = <0x40000000 0x10000000
+ 0xffffe000 0x600 /* PMECC Registers */
+ 0xffffe600 0x200 /* PMECC Error Location Registers */
+ 0x00108000 0x18000 /* PMECC looup table in ROM code */
>;
+ 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/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
WARNING: multiple messages have this Message-ID (diff)
From: josh.wu@atmel.com (Josh Wu)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/5] ARM: at91: at91sam9x5: add DT parameters to enable PMECC
Date: Wed, 23 Jan 2013 20:47:09 +0800 [thread overview]
Message-ID: <1358945232-2282-3-git-send-email-josh.wu@atmel.com> (raw)
In-Reply-To: <1358945232-2282-1-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 3a47cf9..ecfafcf 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -498,7 +498,11 @@
#address-cells = <1>;
#size-cells = <1>;
reg = <0x40000000 0x10000000
+ 0xffffe000 0x600 /* PMECC Registers */
+ 0xffffe600 0x200 /* PMECC Error Location Registers */
+ 0x00108000 0x18000 /* PMECC looup table in ROM code */
>;
+ 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/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 at 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:[~2013-01-23 12:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-23 12:47 [PATCH 0/5 v3] at91: PMECC: enable PMECC in dt for at91sam9x5ek, at91sam9n12ek Josh Wu
2013-01-23 12:47 ` Josh Wu
2013-01-23 12:47 ` [PATCH 1/5] MTD: atmel_nand: avoid to report an error when lookup table offset is 0 Josh Wu
2013-01-23 12:47 ` Josh Wu
2013-01-23 12:47 ` Josh Wu [this message]
2013-01-23 12:47 ` [PATCH 2/5] ARM: at91: at91sam9x5: add DT parameters to enable PMECC Josh Wu
2013-01-23 12:47 ` [PATCH 3/5] ARM: at91: at91sam9n12: " Josh Wu
2013-01-23 12:47 ` Josh Wu
2013-01-23 12:47 ` [PATCH 4/5] MTD: atmel_nand: make pmecc-cap, pmecc-sector-size in dts is optional Josh Wu
2013-01-23 12:47 ` Josh Wu
2013-01-23 12:47 ` [PATCH 5/5] MTD: at91: atmel_nand: for PMECC, add code to check the ONFI parameter ECC requirement Josh Wu
2013-01-23 12:47 ` Josh Wu
2013-02-07 3:04 ` [PATCH 0/5 v3] at91: PMECC: enable PMECC in dt for at91sam9x5ek, at91sam9n12ek Josh Wu
2013-02-07 3:04 ` Josh Wu
2013-02-07 16:16 ` Nicolas Ferre
2013-02-07 16:16 ` Nicolas Ferre
2013-02-08 16:57 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-08 16:57 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-10 0:40 ` Olof Johansson
2013-02-10 0:40 ` Olof Johansson
2013-02-11 3:44 ` Josh Wu
2013-02-11 3:44 ` Josh Wu
2013-02-12 15:01 ` Artem Bityutskiy
2013-02-12 15:01 ` Artem Bityutskiy
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