target/linux/bcm53xx/patches-4.4/041-0002-ARM-BCM5301X-Fix-NAND-ECC-parameters-for-D-Link-DIR-.patch

   1 From 70a0ae1c33572f012b734d4b574f38136c57f1a0 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Mon, 6 Jun 2016 09:43:50 +0200
   4 Subject: [PATCH 2/2] ARM: BCM5301X: Fix NAND ECC parameters for D-Link
   5  DIR-885L
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 This device uses BCH-1 instead of BCH-8. This fixes ECC errors and makes
  11 NAND usable with brcmnand.
  12
  13 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  14 Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
  15 ---
  16  arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts |  2 +-
  17  arch/arm/boot/dts/bcm5301x-nand-cs0-bch1.dtsi | 15 +++++++++++++++
  18  2 files changed, 16 insertions(+), 1 deletion(-)
  19  create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0-bch1.dtsi
  20
  21 --- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
  22 +++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
  23 @@ -10,7 +10,7 @@
  24  /dts-v1/;
  25
  26  #include "bcm4708.dtsi"
  27 -#include "bcm5301x-nand-cs0-bch8.dtsi"
  28 +#include "bcm5301x-nand-cs0-bch1.dtsi"
  29
  30  / {
  31         compatible = "dlink,dir-885l", "brcm,bcm47094", "brcm,bcm4708";
  32 --- /dev/null
  33 +++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch1.dtsi
  34 @@ -0,0 +1,15 @@
  35 +/*
  36 + * Broadcom Northstar NAND.
  37 + *
  38 + * Copyright (C) 2016 Rafał Miłecki <rafal.milecki@gmail.com>
  39 + *
  40 + * Licensed under the ISC license.
  41 + */
  42 +
  43 +#include "bcm5301x-nand-cs0.dtsi"
  44 +
  45 +&nandcs {
  46 +       nand-ecc-algo = "bch";
  47 +       nand-ecc-strength = <1>;
  48 +       nand-ecc-step-size = <512>;
  49 +};