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bcm53xx: prepare to support Asus RT-N18U 

DT file doesn't include any GPIOs yet, but let's add it as we got some
interest in this device on IRC.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42864 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Rafał Miłecki 2014-10-09 16:36:51 +00:00
parent e980967a2c
commit 4e13eeec5b
2 changed files with 116 additions and 0 deletions
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11
target/linux/bcm53xx/image/Makefile
View File

@ -37,6 +37,15 @@ define Image/Build/DTB
$(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/$(1)-$(2).dts $(KDIR)/$(1)-$(2).lzma -d16
endef
# $(1): filesystem type (e.g. squashfs, initramfs).
# $(2): dts filename (also used for the firmware file).
# $(3): device specific magic.
define Image/Build/AsusTrx
$(call Image/Build/$(1)/DTB,$(2))
# TODO: Put magic in TRX file
cp $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx $(BIN_DIR)/
endef
# $(1): filesystem type (e.g. squashfs, initramfs).
# $(2): dts filename (also used for the firmware file).
define Image/Build/Trx
@ -55,6 +64,8 @@ endef
# $(1): filesystem type (e.g. squashfs, initramfs).
define Image/Build
$(call Image/Build/AsusTrx,$(1),bcm47081-asus-rt-n18u,RT-N18U)
$(call Image/Build/Trx,$(1),bcm4708-buffalo-wzr-1750dhp)
$(call Image/Build/Chk,$(1),bcm4708-netgear-r6250,U12H245T00_NETGEAR,1)

105
target/linux/bcm53xx/patches-3.14/304-ARM-BCM5301X-Add-DT-for-Asus-RT-N18U.patch Normal file
View File

@ -0,0 +1,105 @@
From 14126edd3b5cd6e08e46857283724f783db92c99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Thu, 9 Oct 2014 18:16:26 +0200
Subject: [PATCH] ARM: BCM5301X: Add DT for Asus RT-N18U
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 35 +++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm47081.dtsi | 26 +++++++++++++++++++++
3 files changed, 62 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
create mode 100644 arch/arm/boot/dts/bcm47081.dtsi
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 17c717b..77f932d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -51,6 +51,7 @@ dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm11351-brt.dtb \
bcm28155-ap.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
dtb-$(CONFIG_ARCH_BCM_5301X) += \
+ bcm47081-asus-rt-n18u.dtb \
bcm4708-buffalo-wzr-1750dhp.dtb \
bcm4708-netgear-r6250.dtb \
bcm4708-netgear-r6300-v2.dtb
diff --git a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
new file mode 100644
index 0000000..e6347a9
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -0,0 +1,35 @@
+/*
+ * Broadcom BCM470X / BCM5301X arm platform code.
+ * DTS for Asus RT-N18U
+ *
+ * Copyright © 2014 Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/dts-v1/;
+
+#include "bcm47081.dtsi"
+
+/ {
+ compatible = "asus,rt-n18u", "brcm,bcm47081";
+ model = "Asus RT-N18U (BCM47081)";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ chipcommonA {
+ uart0: serial@0300 {
+ status = "okay";
+ };
+
+ uart1: serial@0400 {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/bcm47081.dtsi b/arch/arm/boot/dts/bcm47081.dtsi
new file mode 100644
index 0000000..f720012
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47081.dtsi
@@ -0,0 +1,26 @@
+/*
+ * Broadcom BCM470X / BCM5301X ARM platform code.
+ * DTS for BCM47081 SoC.
+ *
+ * Copyright © 2014 Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcm5301x.dtsi"
+
+/ {
+ compatible = "brcm,bcm47081";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ next-level-cache = <&L2>;
+ reg = <0x0>;
+ };
+ };
+};
--
1.8.4.5