target/linux/bcm53xx/patches-3.18/064-ARM-BCM5301X-add-NAND-flash-chip-description.patch

   1 From 9faa5960eef3204cae6637b530f5e23e53b5a9ef Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Fri, 29 May 2015 23:39:47 +0200
   4 Subject: [PATCH] ARM: BCM5301X: add NAND flash chip description
   5
   6 This adds the NAND flash chip description for a standard chip found
   7 connected to this SoC. This makes use of generic Broadcom NAND driver
   8 with the iProc interface.
   9
  10 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  11 Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
  12 ---
  13  arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts        |  1 +
  14  arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts        |  1 +
  15  arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts  |  1 +
  16  arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts       |  9 +++-----
  17  arch/arm/boot/dts/bcm4708-netgear-r6250.dts        |  1 +
  18  arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts     |  1 +
  19  arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts      |  1 +
  20  arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts        |  1 +
  21  arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts |  1 +
  22  arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts  |  1 +
  23  arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts  |  1 +
  24  arch/arm/boot/dts/bcm4709-netgear-r8000.dts        |  1 +
  25  arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi      | 24 ++++++++++++++++++++++
  26  arch/arm/boot/dts/bcm5301x.dtsi                    | 12 +++++++++++
  27  14 files changed, 50 insertions(+), 6 deletions(-)
  28  create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
  29
  30 diff --git a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
  31 index 71cff8d..112a5a8 100644
  32 --- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
  33 +++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
  34 @@ -10,6 +10,7 @@
  35  /dts-v1/;
  36
  37  #include "bcm4708.dtsi"
  38 +#include "bcm5301x-nand-cs0-bch8.dtsi"
  39
  40  / {
  41         compatible = "asus,rt-ac56u", "brcm,bcm4708";
  42 diff --git a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
  43 index 8b62836..3600f56 100644
  44 --- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
  45 +++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
  46 @@ -10,6 +10,7 @@
  47  /dts-v1/;
  48
  49  #include "bcm4708.dtsi"
  50 +#include "bcm5301x-nand-cs0-bch8.dtsi"
  51
  52  / {
  53         compatible = "asus,rt-ac68u", "brcm,bcm4708";
  54 diff --git a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
  55 index 78e95c0..24f0ab5 100644
  56 --- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
  57 +++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
  58 @@ -10,6 +10,7 @@
  59  /dts-v1/;
  60
  61  #include "bcm4708.dtsi"
  62 +#include "bcm5301x-nand-cs0-bch8.dtsi"
  63
  64  / {
  65         compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
  66 diff --git a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
  67 index 946c728..f039393 100644
  68 --- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
  69 +++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
  70 @@ -10,6 +10,7 @@
  71  /dts-v1/;
  72
  73  #include "bcm4708.dtsi"
  74 +#include "bcm5301x-nand-cs0-bch8.dtsi"
  75
  76  / {
  77         compatible = "luxul,xwc-1000", "brcm,bcm4708";
  78 @@ -23,12 +24,8 @@
  79                 reg = <0x00000000 0x08000000>;
  80         };
  81
  82 -       axi@18000000 {
  83 -               nand@28000 {
  84 -                       reg = <0x00028000 0x1000>;
  85 -                       #address-cells = <1>;
  86 -                       #size-cells = <1>;
  87 -
  88 +       nand: nand@18028000 {
  89 +               nandcs@0 {
  90                         partition@0 {
  91                                 label = "ubi";
  92                                 reg = <0x00000000 0x08000000>;
  93 diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
  94 index 2ed9e57..326ce8f 100644
  95 --- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
  96 +++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
  97 @@ -10,6 +10,7 @@
  98  /dts-v1/;
  99
 100  #include "bcm4708.dtsi"
 101 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 102
 103  / {
 104         compatible = "netgear,r6250v1", "brcm,bcm4708";
 105 diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
 106 index 3991042..3a94606 100644
 107 --- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
 108 +++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
 109 @@ -10,6 +10,7 @@
 110  /dts-v1/;
 111
 112  #include "bcm4708.dtsi"
 113 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 114
 115  / {
 116         compatible = "netgear,r6300v2", "brcm,bcm4708";
 117 diff --git a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
 118 index 66dfb53..d6a033b 100644
 119 --- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
 120 +++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
 121 @@ -10,6 +10,7 @@
 122  /dts-v1/;
 123
 124  #include "bcm4708.dtsi"
 125 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 126
 127  / {
 128         compatible = "smartrg,sr400ac", "brcm,bcm4708";
 129 diff --git a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
 130 index 0ee85ea..71b98cf 100644
 131 --- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
 132 +++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
 133 @@ -10,6 +10,7 @@
 134  /dts-v1/;
 135
 136  #include "bcm47081.dtsi"
 137 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 138
 139  / {
 140         compatible = "asus,rt-n18u", "brcm,bcm47081", "brcm,bcm4708";
 141 diff --git a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
 142 index db9131e..bb0cb0b 100644
 143 --- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
 144 +++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
 145 @@ -10,6 +10,7 @@
 146  /dts-v1/;
 147
 148  #include "bcm47081.dtsi"
 149 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 150
 151  / {
 152         compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
 153 diff --git a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
 154 index 7d6868a..184fd92 100644
 155 --- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
 156 +++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
 157 @@ -10,6 +10,7 @@
 158  /dts-v1/;
 159
 160  #include "bcm47081.dtsi"
 161 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 162
 163  / {
 164         compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
 165 diff --git a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
 166 index 548e93b..2a92e8d 100644
 167 --- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
 168 +++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
 169 @@ -10,6 +10,7 @@
 170  /dts-v1/;
 171
 172  #include "bcm4708.dtsi"
 173 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 174
 175  / {
 176         compatible = "buffalo,wxr-1900dhp", "brcm,bcm4709", "brcm,bcm4708";
 177 diff --git a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
 178 index ea26dd3..446c586 100644
 179 --- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
 180 +++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
 181 @@ -10,6 +10,7 @@
 182  /dts-v1/;
 183
 184  #include "bcm4708.dtsi"
 185 +#include "bcm5301x-nand-cs0-bch8.dtsi"
 186
 187  / {
 188         compatible = "netgear,r8000", "brcm,bcm4709", "brcm,bcm4708";
 189 diff --git a/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
 190 new file mode 100644
 191 index 0000000..d10781e
 192 --- /dev/null
 193 +++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
 194 @@ -0,0 +1,24 @@
 195 +/*
 196 + * Broadcom BCM470X / BCM5301X Nand chip defaults.
 197 + *
 198 + * This should be included if the NAND controller is on chip select 0
 199 + * and uses 8 bit ECC.
 200 + *
 201 + * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
 202 + *
 203 + * Licensed under the GNU/GPL. See COPYING for details.
 204 + */
 205 +
 206 +/ {
 207 +       nand@18028000 {
 208 +               nandcs@0 {
 209 +                       compatible = "brcm,nandcs";
 210 +                       reg = <0>;
 211 +                       #address-cells = <1>;
 212 +                       #size-cells = <1>;
 213 +
 214 +                       nand-ecc-strength = <8>;
 215 +                       nand-ecc-step-size = <512>;
 216 +               };
 217 +       };
 218 +};
 219 diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
 220 index 78aec62..a97f631 100644
 221 --- a/arch/arm/boot/dts/bcm5301x.dtsi
 222 +++ b/arch/arm/boot/dts/bcm5301x.dtsi
 223 @@ -143,4 +143,16 @@
 224                         #gpio-cells = <2>;
 225                 };
 226         };
 227 +
 228 +       nand: nand@18028000 {
 229 +               compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
 230 +               reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>;
 231 +               reg-names = "nand", "iproc-idm", "iproc-ext";
 232 +               interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
 233 +
 234 +               #address-cells = <1>;
 235 +               #size-cells = <0>;
 236 +
 237 +               brcm,nand-has-wp;
 238 +       };
 239  };
 240 --
 241 1.8.4.5
 242