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236 lines
6.1 KiB
236 lines
6.1 KiB
From 94afd3b99c65072b76edd25f73bad89587b83261 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Wed, 7 Dec 2016 08:56:54 +0100
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Subject: [PATCH 5/6] ARM: BCM5301X: Specify all RAM by including an extra
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block
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The first 128 MiB of RAM can be accessed using an alias at address 0x0.
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In theory we could access whole RAM using 0x80000000 - 0xbfffffff range
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(up to 1 GiB) but it doesn't seem to work on Northstar. For some reason
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(hardware setup left by the bootloader maybe?) 0x80000000 - 0x87ffffff
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range can't be used. I reproduced this problem on:
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1) Buffalo WZR-600DHP2 (BCM47081)
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2) Netgear R6250 (BCM4708)
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3) D-Link DIR-885L (BCM47094)
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So it seems we're forced to access first 128 MiB using alias at 0x0 and
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the rest using real base address + 128 MiB offset which is 0x88000000.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Acked-by: Jon Mason <jon.mason@broadcom.com>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts | 3 ++-
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arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts | 3 ++-
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arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 3 ++-
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arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 3 ++-
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arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 3 ++-
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arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts | 3 ++-
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arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 3 ++-
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arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 3 ++-
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arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts | 3 ++-
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arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 3 ++-
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arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 3 ++-
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arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 3 ++-
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arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 3 ++-
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arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 3 ++-
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arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 3 ++-
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arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 3 ++-
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16 files changed, 32 insertions(+), 16 deletions(-)
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--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
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+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
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+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
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+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x18000000>;
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};
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spi {
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--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
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+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
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+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
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+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
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+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
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+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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spi {
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--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
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+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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gpio-keys {
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--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
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+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
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+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x18000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
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+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
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+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
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+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
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@@ -21,7 +21,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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nand: nand@18028000 {
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--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
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+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
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@@ -18,7 +18,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x08000000>;
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};
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leds {
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--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
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+++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
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@@ -18,7 +18,8 @@
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};
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memory {
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- reg = <0x00000000 0x08000000>;
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+ reg = <0x00000000 0x08000000
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+ 0x88000000 0x18000000>;
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};
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leds {
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