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openwrt-owl/target/linux/bcm53xx/patches-4.1/064-ARM-BCM5301X-add-NAND-f...

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From 9faa5960eef3204cae6637b530f5e23e53b5a9ef Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 29 May 2015 23:39:47 +0200
Subject: [PATCH] ARM: BCM5301X: add NAND flash chip description
This adds the NAND flash chip description for a standard chip found
connected to this SoC. This makes use of generic Broadcom NAND driver
with the iProc interface.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts | 1 +
arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts | 1 +
arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 1 +
arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts | 9 +++-----
arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 1 +
arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 1 +
arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts | 1 +
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 1 +
arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 1 +
arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts | 1 +
arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 1 +
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 1 +
arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi | 24 ++++++++++++++++++++++
arch/arm/boot/dts/bcm5301x.dtsi | 12 +++++++++++
14 files changed, 50 insertions(+), 6 deletions(-)
create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "asus,rt-ac56u", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "asus,rt-ac68u", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "luxul,xwc-1000", "brcm,bcm4708";
@@ -23,12 +24,8 @@
reg = <0x00000000 0x08000000>;
};
- axi@18000000 {
- nand@28000 {
- reg = <0x00028000 0x1000>;
- #address-cells = <1>;
- #size-cells = <1>;
-
+ nand: nand@18028000 {
+ nandcs@0 {
partition@0 {
label = "ubi";
reg = <0x00000000 0x08000000>;
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "netgear,r6250v1", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "netgear,r6300v2", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "smartrg,sr400ac", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "asus,rt-n18u", "brcm,bcm47081", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "buffalo,wxr-1900dhp", "brcm,bcm4709", "brcm,bcm4708";
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
compatible = "netgear,r8000", "brcm,bcm4709", "brcm,bcm4708";
--- /dev/null
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
@@ -0,0 +1,24 @@
+/*
+ * Broadcom BCM470X / BCM5301X Nand chip defaults.
+ *
+ * This should be included if the NAND controller is on chip select 0
+ * and uses 8 bit ECC.
+ *
+ * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/ {
+ nand@18028000 {
+ nandcs@0 {
+ compatible = "brcm,nandcs";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ nand-ecc-strength = <8>;
+ nand-ecc-step-size = <512>;
+ };
+ };
+};
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -143,4 +143,16 @@
#gpio-cells = <2>;
};
};
+
+ nand: nand@18028000 {
+ compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
+ reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>;
+ reg-names = "nand", "iproc-idm", "iproc-ext";
+ interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ brcm,nand-has-wp;
+ };
};
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