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bcm53xx: add Linux 4.9 patches

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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
v19.07.3_mercusys_ac12_duma
Rafał Miłecki 7 years ago
parent 75d48d80c7
commit 2252627b0e
34 changed files with 3107 additions and 0 deletions
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136
target/linux/bcm53xx/patches-4.9/030-0001-ARM-BCM5301X-Add-DT-for-Netgear-R8500.patch
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From b5057e498da8211ac3cc8ff5780034e5da61d077 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Tue, 23 Aug 2016 08:40:32 +0200
Subject: [PATCH] ARM: BCM5301X: Add DT for Netgear R8500
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Netgear R8500 is another BCM47094 device, it just has three BCM4366
wireless chipsets. It's a very standard DT with mostly GPIO devices.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 104 +++++++++++++++++++++++++++
2 files changed, 105 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47094-netgear-r8500.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -77,6 +77,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-netgear-r7000.dtb \
bcm4709-netgear-r8000.dtb \
bcm47094-dlink-dir-885l.dtb \
+ bcm47094-netgear-r8500.dtb \
bcm94708.dtb \
bcm94709.dtb \
bcm953012er.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "netgear,r8500", "brcm,bcm47094", "brcm,bcm4708";
+ model = "Netgear R8500";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ power0 {
+ label = "bcm53xx:white:power";
+ gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ power1 {
+ label = "bcm53xx:amber:power";
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz-1 {
+ label = "bcm53xx:white:5ghz-1";
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz-2 {
+ label = "bcm53xx:white:5ghz-2";
+ gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ 2ghz {
+ label = "bcm53xx:white:2ghz";
+ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb2 {
+ label = "bcm53xx:white:usb2";
+ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb3 {
+ label = "bcm53xx:white:usb3";
+ gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ brightness {
+ label = "Backlight";
+ linux,code = <KEY_BRIGHTNESS_ZERO>;
+ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
+ };
+
+ rfkill {
+ label = "WiFi";
+ linux,code = <KEY_RFKILL>;
+ gpios = <&chipcommon 20 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+ clock-frequency = <125000000>;
+};

264
target/linux/bcm53xx/patches-4.9/030-0002-ARM-BCM5301X-Add-basic-dts-for-BCM53573-based-Tenda-.patch
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From 21c29be6a69d3ef4f5a2e16272deb4845f8208ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 23 Aug 2016 07:37:43 +0200
Subject: [PATCH] ARM: BCM5301X: Add basic dts for BCM53573 based Tenda AC9
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BCM53573 seems to be low priced alternative for Northstar chipsts. It
uses single core Cortex-A7 and doesn't have SDU or local (TWD) timer. It
was also stripped out of independent SPI controller and 2 GMACs.
DTS for Tenda AC9 isn't completed yet. It misses e.g. switch entry (we
still need some b53 fixes) and probably some clocks. It adds support for
basic features however and can be improved later.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 2 +
arch/arm/boot/dts/bcm47189-tenda-ac9.dts | 74 ++++++++++++++++
arch/arm/boot/dts/bcm53573.dtsi | 147 +++++++++++++++++++++++++++++++
3 files changed, 223 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47189-tenda-ac9.dts
create mode 100644 arch/arm/boot/dts/bcm53573.dtsi
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -82,6 +82,8 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm94709.dtb \
bcm953012er.dtb \
bcm953012k.dtb
+dtb-$(CONFIG_ARCH_BCM_53573) += \
+ bcm47189-tenda-ac9.dtb
dtb-$(CONFIG_ARCH_BCM_63XX) += \
bcm963138dvt.dtb
dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47189-tenda-ac9.dts
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm53573.dtsi"
+
+/ {
+ compatible = "tenda,ac9", "brcm,bcm47189", "brcm,bcm53573";
+ model = "Tenda AC9";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 earlycon";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ usb {
+ label = "bcm53xx:blue:usb";
+ gpios = <&chipcommon 1 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ wps {
+ label = "bcm53xx:blue:wps";
+ gpios = <&chipcommon 10 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz {
+ label = "bcm53xx:blue:5ghz";
+ gpios = <&chipcommon 11 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ system {
+ label = "bcm53xx:blue:system";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "timer";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rfkill {
+ label = "WiFi";
+ linux,code = <KEY_RFKILL>;
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 7 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 9 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm53573.dtsi
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include "skeleton.dtsi"
+
+/ {
+ interrupt-parent = <&gic>;
+
+ chosen {
+ stdout-path = &uart0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x0>;
+ };
+ };
+
+ mpcore {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0x18310000 0x00008000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gic: interrupt-controller@1000 {
+ compatible = "arm,cortex-a7-gic";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x1000 0x1000>,
+ <0x2000 0x0100>;
+ };
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ alp: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <40000000>;
+ };
+ };
+
+ axi@18000000 {
+ compatible = "brcm,bus-axi";
+ reg = <0x18000000 0x1000>;
+ ranges = <0x00000000 0x18000000 0x00100000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0x000fffff 0xffff>;
+ interrupt-map =
+ /* ChipCommon */
+ <0x00000000 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* IEEE 802.11 0 */
+ <0x00001000 0 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* PCIe Controller 0 */
+ <0x00002000 0 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <0x00002000 1 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <0x00002000 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <0x00002000 3 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <0x00002000 4 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <0x00002000 5 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* USB 2.0 Controller */
+ <0x00004000 0 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* Ethernet Controller 0 */
+ <0x00005000 0 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* IEEE 802.11 1 */
+ <0x0000a000 0 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+
+ /* Ethernet Controller 1 */
+ <0x0000b000 0 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+
+ chipcommon: chipcommon@0 {
+ compatible = "simple-bus";
+ reg = <0x00000000 0x1000>;
+ ranges;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ uart0: serial@0300 {
+ compatible = "ns16550a";
+ reg = <0x0300 0x100>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&alp>;
+ status = "okay";
+ };
+ };
+
+ usb2: usb2@4000 {
+ reg = <0x4000 0x1000>;
+ ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ehci: ehci@4000 {
+ compatible = "generic-ehci";
+ reg = <0x4000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ ohci: ohci@d000 {
+ #usb-cells = <0>;
+
+ compatible = "generic-ohci";
+ reg = <0xd000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+ gmac0: ethernet@5000 {
+ reg = <0x5000 0x1000>;
+ };
+
+ gmac1: ethernet@b000 {
+ reg = <0xb000 0x1000>;
+ };
+ };
+};

70
target/linux/bcm53xx/patches-4.9/030-0003-ARM-BCM5301X-Add-separated-DTS-include-file-for-BCM4.patch
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From 345fd105ff676ef672d1e41b31165b47aa040dab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 21 Sep 2016 22:58:32 +0200
Subject: [PATCH] ARM: BCM5301X: Add separated DTS include file for BCM47094
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Use it to store BCM47094 specific properties/values and avoid repeating
them in device DTS files.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 3 +--
arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 3 +--
arch/arm/boot/dts/bcm47094.dtsi | 11 +++++++++++
3 files changed, 13 insertions(+), 4 deletions(-)
create mode 100644 arch/arm/boot/dts/bcm47094.dtsi
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm47094.dtsi"
#include "bcm5301x-nand-cs0-bch1.dtsi"
/ {
@@ -107,7 +107,6 @@
&uart0 {
status = "okay";
- clock-frequency = <125000000>;
};
&usb3 {
--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
+++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
@@ -6,7 +6,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm47094.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
@@ -100,5 +100,4 @@
&uart0 {
status = "okay";
- clock-frequency = <125000000>;
};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47094.dtsi
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+#include "bcm4708.dtsi"
+
+&uart0 {
+ clock-frequency = <125000000>;
+};

92
target/linux/bcm53xx/patches-4.9/030-0004-ARM-BCM5301X-Enable-UART-on-Netgear-R8000.patch
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From 3ede027b3dce2fca07350b7587c7c8f44706c94c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 21 Sep 2016 22:58:33 +0200
Subject: [PATCH] ARM: BCM5301X: Enable UART on Netgear R8000
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It was tested by LEDE users, all we need is to adjust clock frequency.
While we're at it create a separated DTS include file to share code with
other BCM4709 devices easier.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 2 +-
arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 2 +-
arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 2 +-
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 6 +++++-
arch/arm/boot/dts/bcm4709.dtsi | 11 +++++++++++
5 files changed, 19 insertions(+), 4 deletions(-)
create mode 100644 arch/arm/boot/dts/bcm4709.dtsi
--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm4709.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm4709.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm4709.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "bcm4708.dtsi"
+#include "bcm4709.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
/ {
@@ -107,6 +107,10 @@
};
};
+&uart0 {
+ status = "okay";
+};
+
&usb2 {
vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4709.dtsi
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+#include "bcm4708.dtsi"
+
+&uart0 {
+ clock-frequency = <125000000>;
+};

51
target/linux/bcm53xx/patches-4.9/030-0005-ARM-BCM5301X-Specify-USB-3.0-PHY-in-DT.patch
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From 5b92db97f4ae345bd6f045c9427471680a7fe2e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 21 Sep 2016 22:58:34 +0200
Subject: [PATCH] ARM: BCM5301X: Specify USB 3.0 PHY in DT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Driver for Northstar USB 3.0 PHY has been recently added under the name
phy-bcm-ns-usb3. Add binding for it into the DT files.
The only slightly tricky part is BCM47094 which uses different PHY
version and requires different compatible value.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm47094.dtsi | 6 ++++++
arch/arm/boot/dts/bcm5301x.dtsi | 7 +++++++
2 files changed, 13 insertions(+)
--- a/arch/arm/boot/dts/bcm47094.dtsi
+++ b/arch/arm/boot/dts/bcm47094.dtsi
@@ -6,6 +6,12 @@
#include "bcm4708.dtsi"
+/ {
+ usb3_phy: usb3-phy {
+ compatible = "brcm,ns-bx-usb3-phy";
+ };
+};
+
&uart0 {
clock-frequency = <125000000>;
};
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -149,6 +149,13 @@
clock-names = "phy-ref-clk";
};
+ usb3_phy: usb3-phy {
+ compatible = "brcm,ns-ax-usb3-phy";
+ reg = <0x18105000 0x1000>, <0x18003000 0x1000>;
+ reg-names = "dmp", "ccb-mii";
+ #phy-cells = <0>;
+ };
+
axi@18000000 {
compatible = "brcm,bus-axi";
reg = <0x18000000 0x1000>;

93
target/linux/bcm53xx/patches-4.9/030-0006-ARM-BCM5301X-Add-DT-for-Luxul-XAP-1510.patch
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From 46daccf62d1651bf8b09978478ca6465a7a81f47 Mon Sep 17 00:00:00 2001
From: Dan Haab <dhaab@luxul.com>
Date: Tue, 27 Sep 2016 11:27:10 -0600
Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XAP-1510
Luxul XAP-1510 is an AP device based on BCM4708 SoC with 2 x BCM4360
chipsets on PCB connected using PCIe.
Signed-off-by: Dan Haab <dhaab@luxul.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts | 64 ++++++++++++++++++++++++++++
2 files changed, 65 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -65,6 +65,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4708-asus-rt-ac56u.dtb \
bcm4708-asus-rt-ac68u.dtb \
bcm4708-buffalo-wzr-1750dhp.dtb \
+ bcm4708-luxul-xap-1510.dtb \
bcm4708-luxul-xwc-1000.dtb \
bcm4708-netgear-r6250.dtb \
bcm4708-netgear-r6300-v2.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2016 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+
+/ {
+ compatible = "luxul,xap-1510v1", "brcm,bcm4708";
+ model = "Luxul XAP-1510 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 earlycon";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ 5ghz {
+ label = "bcm53xx:blue:5ghz";
+ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ 2ghz {
+ label = "bcm53xx:blue:2ghz";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ status {
+ label = "bcm53xx:green:status";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&spi_nor {
+ status = "okay";
+};

159
target/linux/bcm53xx/patches-4.9/030-0007-ARM-BCM5301X-Add-DT-for-Luxul-XWR-3100.patch
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From ef3bc318adeb15b38688df6a583bafea2befce43 Mon Sep 17 00:00:00 2001
From: Dan Haab <dhaab@luxul.com>
Date: Tue, 27 Sep 2016 11:27:11 -0600
Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XWR-3100
Luxul XWR-3100 is a wireless router based on BCM47094 SoC with two
4366c0 FullMAC PCIe cards on the PCB. It uses NAND with BCH-4 ECC
algorithm.
Signed-off-by: Dan Haab <dhaab@luxul.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 111 ++++++++++++++++++++++++++
arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi | 13 +++
3 files changed, 125 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -78,6 +78,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-netgear-r7000.dtb \
bcm4709-netgear-r8000.dtb \
bcm47094-dlink-dir-885l.dtb \
+ bcm47094-luxul-xwr-3100.dtb \
bcm47094-netgear-r8500.dtb \
bcm94708.dtb \
bcm94709.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2016 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm47094.dtsi"
+#include "bcm5301x-nand-cs0-bch4.dtsi"
+
+/ {
+ compatible = "luxul,xwr-3100v1", "brcm,bcm47094", "brcm,bcm4708";
+ model = "Luxul XWR-3100 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 earlycon";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ power {
+ label = "bcm53xx:green:power";
+ gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ lan3 {
+ label = "bcm53xx:green:lan1";
+ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ lan4 {
+ label = "bcm53xx:green:lan0";
+ gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ wan {
+ label = "bcm53xx:green:wan";
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ lan1 {
+ label = "bcm53xx:green:lan3";
+ gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ lan2 {
+ label = "bcm53xx:green:lan2";
+ gpios = <&chipcommon 6 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb3 {
+ label = "bcm53xx:green:usb3";
+ gpios = <&chipcommon 8 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ status {
+ label = "bcm53xx:green:status";
+ gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+
+ 2ghz {
+ label = "bcm53xx:green:2ghz";
+ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz {
+ label = "bcm53xx:green:5ghz";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&usb3 {
+ vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
+};
+
+&spi_nor {
+ status = "okay";
+};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2016 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+#include "bcm5301x-nand-cs0.dtsi"
+
+&nandcs {
+ nand-ecc-algo = "bch";
+ nand-ecc-strength = <4>;
+ nand-ecc-step-size = <512>;
+};

38
target/linux/bcm53xx/patches-4.9/030-0008-ARM-BCM53573-Specify-PMU-and-its-ILP-clock-in-the-DT.patch
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From 547f23183d9d77b51754689a71e3e58d085ccaec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sat, 17 Sep 2016 22:13:46 +0200
Subject: [PATCH] ARM: BCM53573: Specify PMU and its ILP clock in the DT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ILP clock (sometimes called a "slow clock") is a part of PMU (Power
Management Unit). There has been recently added a driver for it, so add
a proper entry in the DT as well.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm53573.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/arch/arm/boot/dts/bcm53573.dtsi
+++ b/arch/arm/boot/dts/bcm53573.dtsi
@@ -143,5 +143,17 @@
gmac1: ethernet@b000 {
reg = <0xb000 0x1000>;
};
+
+ pmu@12000 {
+ compatible = "simple-mfd", "syscon";
+ reg = <0x00012000 0x00001000>;
+
+ ilp: ilp {
+ compatible = "brcm,bcm53573-ilp";
+ clocks = <&alp>;
+ #clock-cells = <0>;
+ clock-output-names = "ilp";
+ };
+ };
};
};

146
target/linux/bcm53xx/patches-4.9/030-0009-ARM-BCM5301X-Add-DT-for-TP-LINK-Archer-C9-V1.patch
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From 41182beb217c47cfbaaf26a60f22a8b3943faa61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sun, 13 Nov 2016 11:12:09 +0100
Subject: [PATCH] ARM: BCM5301X: Add DT for TP-LINK Archer C9 V1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It's BCM4709A0 based device with 16 MiB flash, 128 MiB of RAM and two
PCIe based on-PCB BCM4360 chipsets.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts | 114 ++++++++++++++++++++++
2 files changed, 115 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -77,6 +77,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-netgear-r7000.dtb \
bcm4709-netgear-r8000.dtb \
+ bcm4709-tplink-archer-c9-v1.dtb \
bcm47094-dlink-dir-885l.dtb \
bcm47094-luxul-xwr-3100.dtb \
bcm47094-netgear-r8500.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4709.dtsi"
+
+/ {
+ compatible = "tplink,archer-c9-v1", "brcm,bcm4709", "brcm,bcm4708";
+ model = "TP-LINK Archer C9 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 earlycon";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ lan {
+ label = "bcm53xx:blue:lan";
+ gpios = <&chipcommon 1 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ wps {
+ label = "bcm53xx:blue:wps";
+ gpios = <&chipcommon 2 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ 2ghz {
+ label = "bcm53xx:blue:2ghz";
+ gpios = <&chipcommon 4 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz {
+ label = "bcm53xx:blue:5ghz";
+ gpios = <&chipcommon 5 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb3 {
+ label = "bcm53xx:blue:usb3";
+ gpios = <&chipcommon 6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb2 {
+ label = "bcm53xx:blue:usb2";
+ gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ wan-blue {
+ label = "bcm53xx:blue:wan";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ wan-amber {
+ label = "bcm53xx:amber:wan";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ power {
+ label = "bcm53xx:blue:power";
+ gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&usb2 {
+ vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
+};
+
+&usb3 {
+ vcc-gpio = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
+};
+
+&spi_nor {
+ status = "okay";
+};

75
target/linux/bcm53xx/patches-4.9/031-ARM-BCM5301X-Add-back-handler-ignoring-external-impr.patch
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From 09f3510fb70a46c8921f2cf4a90dbcae460a6820 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sat, 29 Oct 2016 13:12:29 +0200
Subject: [PATCH] ARM: BCM5301X: Add back handler ignoring external imprecise
aborts
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Since early BCM5301X days we got abort handler that was removed by
commit 937b12306ea79 ("ARM: BCM5301X: remove workaround imprecise abort
fault handler"). It assumed we need to deal only with pending aborts
left by the bootloader. Unfortunately this isn't true for BCM5301X.
When probing PCI config space (device enumeration) it is expected to
have master aborts on the PCI bus. Most bridges don't forward (or they
allow disabling it) these errors onto the AXI/AMBA bus but not the
Northstar (BCM5301X) one.
iProc PCIe controller on Northstar seems to be some older one, without
a control register for errors forwarding. It means we need to workaround
this at platform level. All newer platforms are not affected by this
issue.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/mach-bcm/bcm_5301x.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
--- a/arch/arm/mach-bcm/bcm_5301x.c
+++ b/arch/arm/mach-bcm/bcm_5301x.c
@@ -9,14 +9,42 @@
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
+#include <asm/siginfo.h>
+#include <asm/signal.h>
+
+#define FSR_EXTERNAL (1 << 12)
+#define FSR_READ (0 << 10)
+#define FSR_IMPRECISE 0x0406
static const char *const bcm5301x_dt_compat[] __initconst = {
"brcm,bcm4708",
NULL,
};
+static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr,
+ struct pt_regs *regs)
+{
+ /*
+ * We want to ignore aborts forwarded from the PCIe bus that are
+ * expected and shouldn't really be passed by the PCIe controller.
+ * The biggest disadvantage is the same FSR code may be reported when
+ * reading non-existing APB register and we shouldn't ignore that.
+ */
+ if (fsr == (FSR_EXTERNAL | FSR_READ | FSR_IMPRECISE))
+ return 0;
+
+ return 1;
+}
+
+static void __init bcm5301x_init_early(void)
+{
+ hook_fault_code(16 + 6, bcm5301x_abort_handler, SIGBUS, BUS_OBJERR,
+ "imprecise external abort");
+}
+
DT_MACHINE_START(BCM5301X, "BCM5301X")
.l2c_aux_val = 0,
.l2c_aux_mask = ~0,
.dt_compat = bcm5301x_dt_compat,
+ .init_early = bcm5301x_init_early,
MACHINE_END

269
target/linux/bcm53xx/patches-4.9/032-0001-ARM-BCM5301X-Enable-UART-by-default-for-BCM4708-1-BC.patch
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From 2b354a7c56f375ba414b9b9c96f160f5749e5e64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 1 Dec 2016 18:40:51 +0100
Subject: [PATCH 1/6] ARM: BCM5301X: Enable UART by default for BCM4708(1),
BCM4709(4) & BCM53012
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Every device tested so far got UART0 (at 0x18000300) working as serial
console. It's most likely part of reference design and all vendors use
it that way.
It seems to be easier to enable it by default and just disable it if we
ever see a device with different hardware design.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Jon Mason <jon.mason@broadcom.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 4 ----
arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts | 4 ----
arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts | 4 ----
arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 4 ----
arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts | 4 ----
arch/arm/boot/dts/bcm4708.dtsi | 4 ++++
arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 4 ----
arch/arm/boot/dts/bcm47081.dtsi | 4 ++++
arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 4 ----
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 4 ----
arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts | 4 ----
arch/arm/boot/dts/bcm4709.dtsi | 1 +
arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 4 ----
arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 4 ----
arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 4 ----
arch/arm/boot/dts/bcm47094.dtsi | 1 +
arch/arm/boot/dts/bcm94708.dts | 4 ----
arch/arm/boot/dts/bcm94709.dts | 4 ----
arch/arm/boot/dts/bcm953012er.dts | 4 ----
arch/arm/boot/dts/bcm953012k.dts | 1 -
20 files changed, 10 insertions(+), 61 deletions(-)
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -136,10 +136,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb2 {
vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
@@ -55,10 +55,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&spi_nor {
status = "okay";
};
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -56,10 +56,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&spi_nor {
status = "okay";
};
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -83,10 +83,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb3 {
vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -119,10 +119,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&spi_nor {
status = "okay";
};
--- a/arch/arm/boot/dts/bcm4708.dtsi
+++ b/arch/arm/boot/dts/bcm4708.dtsi
@@ -34,3 +34,7 @@
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -122,7 +122,3 @@
};
};
};
-
-&uart0 {
- status = "okay";
-};
--- a/arch/arm/boot/dts/bcm47081.dtsi
+++ b/arch/arm/boot/dts/bcm47081.dtsi
@@ -24,3 +24,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -100,7 +100,3 @@
};
};
};
-
-&uart0 {
- status = "okay";
-};
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -107,10 +107,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb2 {
vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts
+++ b/arch/arm/boot/dts/bcm4709-tplink-archer-c9-v1.dts
@@ -97,10 +97,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb2 {
vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm4709.dtsi
+++ b/arch/arm/boot/dts/bcm4709.dtsi
@@ -8,4 +8,5 @@
&uart0 {
clock-frequency = <125000000>;
+ status = "okay";
};
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -105,10 +105,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb3 {
vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -98,10 +98,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&usb3 {
vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
+++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
@@ -97,7 +97,3 @@
};
};
};
-
-&uart0 {
- status = "okay";
-};
--- a/arch/arm/boot/dts/bcm47094.dtsi
+++ b/arch/arm/boot/dts/bcm47094.dtsi
@@ -14,4 +14,5 @@
&uart0 {
clock-frequency = <125000000>;
+ status = "okay";
};
--- a/arch/arm/boot/dts/bcm94708.dts
+++ b/arch/arm/boot/dts/bcm94708.dts
@@ -50,7 +50,3 @@
reg = <0x00000000 0x08000000>;
};
};
-
-&uart0 {
- status = "okay";
-};
--- a/arch/arm/boot/dts/bcm94709.dts
+++ b/arch/arm/boot/dts/bcm94709.dts
@@ -50,7 +50,3 @@
reg = <0x00000000 0x08000000>;
};
};
-
-&uart0 {
- status = "okay";
-};
--- a/arch/arm/boot/dts/bcm953012er.dts
+++ b/arch/arm/boot/dts/bcm953012er.dts
@@ -70,10 +70,6 @@
};
};
-&uart0 {
- status = "okay";
-};
-
&spi_nor {
status = "okay";
};
--- a/arch/arm/boot/dts/bcm953012k.dts
+++ b/arch/arm/boot/dts/bcm953012k.dts
@@ -54,7 +54,6 @@
&uart0 {
clock-frequency = <62499840>;
- status = "okay";
};
&uart1 {

43
target/linux/bcm53xx/patches-4.9/032-0002-ARM-BCM5301X-Fix-LAN-LED-labels-for-Luxul-XWR-3100.patch
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From 24e24f72379638d598aec5d0525ef57d5bfc5c51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 7 Dec 2016 08:56:51 +0100
Subject: [PATCH 2/6] ARM: BCM5301X: Fix LAN LED labels for Luxul XWR-3100
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
They were named incorrectly most likely due to copy & paste mistake.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -31,13 +31,13 @@
};
lan3 {
- label = "bcm53xx:green:lan1";
+ label = "bcm53xx:green:lan3";
gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
linux,default-trigger = "default-off";
};
lan4 {
- label = "bcm53xx:green:lan0";
+ label = "bcm53xx:green:lan4";
gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
linux,default-trigger = "default-off";
};
@@ -49,7 +49,7 @@
};
lan1 {
- label = "bcm53xx:green:lan3";
+ label = "bcm53xx:green:lan1";
gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
linux,default-trigger = "default-off";
};

68
target/linux/bcm53xx/patches-4.9/032-0003-ARM-BCM5301X-Specify-USB-controllers-in-DT.patch
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From 45d2567b4b80a3f267502419aaad3d74b745dae7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 7 Dec 2016 08:56:52 +0100
Subject: [PATCH 3/6] ARM: BCM5301X: Specify USB controllers in DT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There are 3 separated controllers, one per USB /standard/. With PHY
drivers in place they can be simply supported with generic drivers.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm5301x.dtsi | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -248,8 +248,26 @@
#address-cells = <1>;
#size-cells = <1>;
+ ranges;
- phys = <&usb2_phy>;
+ interrupt-parent = <&gic>;
+
+ ehci: ehci@21000 {
+ #usb-cells = <0>;
+
+ compatible = "generic-ehci";
+ reg = <0x00021000 0x1000>;
+ interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb2_phy>;
+ };
+
+ ohci: ohci@22000 {
+ #usb-cells = <0>;
+
+ compatible = "generic-ohci";
+ reg = <0x00022000 0x1000>;
+ interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+ };
};
usb3: usb3@23000 {
@@ -257,6 +275,19 @@
#address-cells = <1>;
#size-cells = <1>;
+ ranges;
+
+ interrupt-parent = <&gic>;
+
+ xhci: xhci@23000 {
+ #usb-cells = <0>;
+
+ compatible = "generic-xhci";
+ reg = <0x00023000 0x1000>;
+ interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb3_phy>;
+ phy-names = "usb";
+ };
};
spi@29000 {

31
target/linux/bcm53xx/patches-4.9/032-0004-ARM-BCM5301X-Set-GPIO-enabling-USB-power-on-Netgear-.patch
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From 1aca202b721ce8643f87a8f85a686595c1be6b60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 7 Dec 2016 08:56:53 +0100
Subject: [PATCH 4/6] ARM: BCM5301X: Set GPIO enabling USB power on Netgear
R7000
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There is one GPIO controlling power for both USB ports.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -100,3 +100,11 @@
};
};
};
+
+&usb2 {
+ vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
+};
+
+&usb3 {
+ vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
+};

236
target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch
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From 94afd3b99c65072b76edd25f73bad89587b83261 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 7 Dec 2016 08:56:54 +0100
Subject: [PATCH 5/6] ARM: BCM5301X: Specify all RAM by including an extra
block
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The first 128 MiB of RAM can be accessed using an alias at address 0x0.
In theory we could access whole RAM using 0x80000000 - 0xbfffffff range
(up to 1 GiB) but it doesn't seem to work on Northstar. For some reason
(hardware setup left by the bootloader maybe?) 0x80000000 - 0x87ffffff
range can't be used. I reproduced this problem on:
1) Buffalo WZR-600DHP2 (BCM47081)
2) Netgear R6250 (BCM4708)
3) D-Link DIR-885L (BCM47094)
So it seems we're forced to access first 128 MiB using alias at 0x0 and
the rest using real base address + 128 MiB offset which is 0x88000000.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts | 3 ++-
arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts | 3 ++-
arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 3 ++-
arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 3 ++-
arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 3 ++-
arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts | 3 ++-
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 3 ++-
arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 3 ++-
arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts | 3 ++-
arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 3 ++-
arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 3 ++-
arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 3 ++-
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 3 ++-
arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 3 ++-
arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 3 ++-
arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 3 ++-
16 files changed, 32 insertions(+), 16 deletions(-)
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
};
spi {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
spi {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
gpio-keys {
--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
nand: nand@18028000 {
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -18,7 +18,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
+++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
@@ -18,7 +18,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
};
leds {

56
target/linux/bcm53xx/patches-4.9/032-0006-ARM-BCM53573-Specify-USB-ports-of-on-SoC-controllers.patch
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From 92c6f000cb3a4280166d812d88cda3011717b548 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 7 Dec 2016 08:56:55 +0100
Subject: [PATCH 6/6] ARM: BCM53573: Specify USB ports of on-SoC controllers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Broadcom OHCI and EHCI controllers always have 2 ports each on the root
hub. Describe them in DT to allow specifying extra info or referencing
port nodes.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm53573.dtsi | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
--- a/arch/arm/boot/dts/bcm53573.dtsi
+++ b/arch/arm/boot/dts/bcm53573.dtsi
@@ -124,6 +124,17 @@
reg = <0x4000 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ehci_port1: port@1 {
+ reg = <1>;
+ };
+
+ ehci_port2: port@2 {
+ reg = <2>;
+ };
};
ohci: ohci@d000 {
@@ -133,6 +144,17 @@
reg = <0xd000 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ohci_port1: port@1 {
+ reg = <1>;
+ };
+
+ ohci_port2: port@2 {
+ reg = <2>;
+ };
};
};

126
target/linux/bcm53xx/patches-4.9/032-0007-ARM-BCM5301X-Set-5-GHz-wireless-frequency-limits-on-.patch
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From d3af86018715ebb19f4111f80e545405b208f09b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sat, 14 Jan 2017 00:58:57 +0100
Subject: [PATCH] ARM: BCM5301X: Set 5 GHz wireless frequency limits on Netgear
R8000
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Netgear R8000 is a tri-band home router. It has three BCM43602 chipsets
two of them for 5 GHz band. Both seem the same and their firmwares
report the same set of channels. The problem is due to hardware / board
design there are extra limitations that should be respected.
First PHY should be used for U-NII-2 and U-NII-3. Third PHY should be
used for U-NII-1. Using them in a different way may result in wireless
not working or in noticeably reduced performance. Basic version of this
info was provided by Broadcom employee, then it has been verified by me
using original vendor firmware (which has limitations hardcoded in UI).
This patch uses recently introduced ieee80211-freq-limit property to
describe these limitations at DT level.
Referencing PCIe devices in DT required specifying all related bridges.
Below you can see (a bit complex) PCI tree from R8000 that explains all
entries that I needed to put in DT.
0000:00:00.0 14e4:8012 Bridge Device
└─ 0000:01:00.0 14e4:aa52 Network Controller
0001:00:00.0 14e4:8012 Bridge Device
└─ 0001:01:00.0 10b5:8603 Bridge Device
├─ 0001:02:01.0 10b5:8603 Bridge Device
│ └─ 0001:03:00.0 14e4:aa52 Network Controller
├─ 0001:02:02.0 10b5:8603 Bridge Device
│ └─ 0001:04:00.0 14e4:aa52 Network Controller
├─ 0001:02:03.0 000d:0000 0x000000
├─ 0001:02:04.0 000d:0000 0x000000
├─ 0001:02:05.0 000d:0000 0x000000
├─ 0001:02:06.0 000d:0000 0x000000
├─ (...)
├─ 0001:02:1d.0 000d:0000 0x000000
├─ 0001:02:1e.0 000d:0000 0x000000
└─ 0001:02:1f.0 000d:0000 0x000000
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 48 +++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm5301x.dtsi | 8 +++++
2 files changed, 56 insertions(+)
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -108,6 +108,54 @@
};
};
+&pcie0 {
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bridge@0,0,0 {
+ reg = <0x0000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ wifi@0,1,0 {
+ reg = <0x0000 0 0 0 0>;
+ ieee80211-freq-limit = <5735000 5835000>;
+ };
+ };
+};
+
+&pcie1 {
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bridge@1,0,0 {
+ reg = <0x0000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bridge@1,1,0 {
+ reg = <0x0000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bridge@1,2,2 {
+ reg = <0x1000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ wifi@1,4,0 {
+ reg = <0x0000 0 0 0 0>;
+ ieee80211-freq-limit = <5170000 5730000>;
+ };
+ };
+ };
+ };
+};
+
&usb2 {
vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -243,6 +243,14 @@
#gpio-cells = <2>;
};
+ pcie0: pcie@12000 {
+ reg = <0x00012000 0x1000>;
+ };
+
+ pcie1: pcie@13000 {
+ reg = <0x00013000 0x1000>;
+ };
+
usb2: usb2@21000 {
reg = <0x00021000 0x1000>;

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target/linux/bcm53xx/patches-4.9/032-0008-ARM-BCM5301X-Add-DT-for-Luxul-XAP-1410.patch
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From eeacbb3e30f220d5d775c61421f813d4e186a325 Mon Sep 17 00:00:00 2001
From: Dan Haab <dhaab@luxul.com>
Date: Sat, 14 Jan 2017 19:29:27 -0700
Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XAP-1410
Luxul XAP-1410 in a dual-band access point device based on BCM47081 with
serial flash. It has 3 LEDs and just one (reset) button.
Signed-off-by: Dan Haab <dhaab@luxul.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts | 60 +++++++++++++++++++++++++++
2 files changed, 61 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -73,6 +73,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm47081-asus-rt-n18u.dtb \
bcm47081-buffalo-wzr-600dhp2.dtb \
bcm47081-buffalo-wzr-900dhp.dtb \
+ bcm47081-luxul-xap-1410.dtb \
bcm4709-asus-rt-ac87u.dtb \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-netgear-r7000.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2017 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm47081.dtsi"
+
+/ {
+ compatible = "luxul,xap-1410v1", "brcm,bcm47081", "brcm,bcm4708";
+ model = "Luxul XAP-1410 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ 5ghz {
+ label = "bcm53xx:blue:5ghz";
+ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ 2ghz {
+ label = "bcm53xx:blue:2ghz";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ status {
+ label = "bcm53xx:green:status";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&spi_nor {
+ status = "okay";
+};

136
target/linux/bcm53xx/patches-4.9/032-0009-ARM-BCM5301X-Add-DT-for-Luxul-XWR-1200.patch
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From 514647c9af870bd2df2e579134a26bff8d17b6b9 Mon Sep 17 00:00:00 2001
From: Dan Haab <dhaab@luxul.com>
Date: Sat, 14 Jan 2017 19:29:28 -0700
Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XWR-1200
Luxul XWR-1200 in a dual-band router based on BCM47081. It uses serial
flash (for bootloader and NVRAM) and NAND flash (for firmware).
Signed-off-by: Dan Haab <dhaab@luxul.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts | 107 ++++++++++++++++++++++++++
2 files changed, 108 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -74,6 +74,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm47081-buffalo-wzr-600dhp2.dtb \
bcm47081-buffalo-wzr-900dhp.dtb \
bcm47081-luxul-xap-1410.dtb \
+ bcm47081-luxul-xwr-1200.dtb \
bcm4709-asus-rt-ac87u.dtb \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-netgear-r7000.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2017 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch4.dtsi"
+
+/ {
+ compatible = "luxul,xwr-1200v1", "brcm,bcm47081", "brcm,bcm4708";
+ model = "Luxul XWR-1200 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ power {
+ label = "bcm53xx:green:power";
+ gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ lan3 {
+ label = "bcm53xx:green:lan3";
+ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ lan4 {
+ label = "bcm53xx:green:lan4";
+ gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ wan {
+ label = "bcm53xx:green:wan";
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ lan2 {
+ label = "bcm53xx:green:lan2";
+ gpios = <&chipcommon 6 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ usb {
+ label = "bcm53xx:green:usb";
+ gpios = <&chipcommon 8 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ status {
+ label = "bcm53xx:green:status";
+ gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+
+ 2ghz {
+ label = "bcm53xx:green:2ghz";
+ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ 5ghz {
+ label = "bcm53xx:green:5ghz";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ lan1 {
+ label = "bcm53xx:green:lan1";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&usb2 {
+ vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
+};
+
+&spi_nor {
+ status = "okay";
+};

72
target/linux/bcm53xx/patches-4.9/032-0010-ARM-dts-BCM5301X-Add-basic-DT-for-Linksys-EA9200.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] ARM: dts: BCM5301X: Add basic DT for Linksys EA9200
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It's tri-band wireless home router based on BCM4709A0 with 3 x BCM43602
chipsets. LEDs will be hopefully added later to the DT.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm4709-linksys-ea9200.dts | 42 ++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -77,6 +77,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm47081-luxul-xwr-1200.dtb \
bcm4709-asus-rt-ac87u.dtb \
bcm4709-buffalo-wxr-1900dhp.dtb \
+ bcm4709-linksys-ea9200.dtb \
bcm4709-netgear-r7000.dtb \
bcm4709-netgear-r8000.dtb \
bcm4709-tplink-archer-c9-v1.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4709.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "linksys,ea9200", "brcm,bcm4709", "brcm,bcm4708";
+ model = "Linksys EA9200";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+ };
+ };
+};

73
target/linux/bcm53xx/patches-4.9/032-0011-ARM-dts-BCM5301X-Add-basic-DT-for-Linksys-EA6300-V1.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] ARM: dts: BCM5301X: Add basic DT for Linksys EA6300 V1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It's wireless home router based on BCM4708A0 with BCM4360 + BCM43217
wireless chipsets. LEDs will be hopefully added later to the DT.
According to some sources it may use the same board as EA6400 and just
differ by an original vendor firmware.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts | 41 +++++++++++++++++++++++++
2 files changed, 42 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -65,6 +65,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4708-asus-rt-ac56u.dtb \
bcm4708-asus-rt-ac68u.dtb \
bcm4708-buffalo-wzr-1750dhp.dtb \
+ bcm4708-linksys-ea6300-v1.dtb \
bcm4708-luxul-xap-1510.dtb \
bcm4708-luxul-xwc-1000.dtb \
bcm4708-netgear-r6250.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "linksys,ea6300-v1", "brcm,bcm4708";
+ model = "Linksys EA6300 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 7 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};

52
target/linux/bcm53xx/patches-4.9/080-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch
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From 78d759daceaf0a7058f37c4142bdca9948b6d987 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 29 Dec 2016 17:27:55 +0100
Subject: [PATCH] spi: bcm53xx: set of_node to let DT specify device(s)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Setting of_node of master's dev seems to be a common way of letting it
work nicely with DT. This allows specifying device there instead of
hardcoding one in the driver code.
This was successfully tested with commit 1b47b98acce2 ("ARM: BCM5301X:
Add DT entry for SPI controller and NOR flash")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm53xx.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
--- a/drivers/spi/spi-bcm53xx.c
+++ b/drivers/spi/spi-bcm53xx.c
@@ -275,10 +275,6 @@ static int bcm53xxspi_flash_read(struct
* BCMA
**************************************************/
-static struct spi_board_info bcm53xx_info = {
- .modalias = "bcm53xxspiflash",
-};
-
static const struct bcma_device_id bcm53xxspi_bcma_tbl[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_QSPI, BCMA_ANY_REV, BCMA_ANY_CLASS),
{},
@@ -311,6 +307,7 @@ static int bcm53xxspi_bcma_probe(struct
b53spi->bspi = true;
bcm53xxspi_disable_bspi(b53spi);
+ master->dev.of_node = dev->of_node;
master->transfer_one = bcm53xxspi_transfer_one;
if (b53spi->mmio_base)
master->spi_flash_read = bcm53xxspi_flash_read;
@@ -324,9 +321,6 @@ static int bcm53xxspi_bcma_probe(struct
return err;
}
- /* Broadcom SoCs (at least with the CC rev 42) use SPI for flash only */
- spi_new_device(master, &bcm53xx_info);
-
return 0;
}

50
target/linux/bcm53xx/patches-4.9/080-0002-spi-bcm53xx-re-license-code-to-the-GPL-v2.patch
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From e360e72e715f228e426edf0fc99ffa34027ab0ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 29 Dec 2016 20:13:13 +0100
Subject: [PATCH] spi: bcm53xx: (re)license code to the GPL v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
My intention was to release this code under GPL v2 license. For some
reason my initial commit 0fc6a323e191 ("spi: bcm53xx: driver for SPI
controller on Broadcom bcma SoC") totally missed licensing info.
MODULE_LICENSE was later added by Axel specifying "GNU Public License
v2 or later".
This patch clarifies situation by adding a proper header (with Copyright
line) and adjusting MODULE_LICENSE. It should be acked by every driver
contributor.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Acked-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm53xx.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm53xx.c
+++ b/drivers/spi/spi-bcm53xx.c
@@ -1,3 +1,11 @@
+/*
+ * Copyright (C) 2014-2016 Rafał Miłecki <rafal@milecki.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
@@ -355,4 +363,4 @@ module_exit(bcm53xxspi_module_exit);
MODULE_DESCRIPTION("Broadcom BCM53xx SPI Controller driver");
MODULE_AUTHOR("Rafał Miłecki <zajec5@gmail.com>");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");

11
target/linux/bcm53xx/patches-4.9/101-use-part-parser.patch
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--- a/arch/arm/boot/dts/bcm5301x-nand-cs0.dtsi
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0.dtsi
@@ -13,6 +13,8 @@
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
+
+ linux,part-probe = "ofpart", "bcm47xxpart";
};
};
};

137
target/linux/bcm53xx/patches-4.9/180-usb-xhci-add-support-for-performing-fake-doorbell.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sat, 1 Oct 2016 22:54:48 +0200
Subject: [PATCH] usb: xhci: add support for performing fake doorbell
Broadcom's Northstar XHCI controllers seem to need a special start
procedure to work correctly. There isn't any official documentation of
this, the problem is that controller doesn't detect any connected
devices with default setup. Moreover connecting USB device to controller
that doesn't run properly can cause SoC's watchdog issues.
A workaround that was successfully tested on multiple devices is to
perform a fake doorbell. This patch adds code for doing this and enables
it on BCM4708 family.
---
drivers/usb/host/xhci-plat.c | 6 +++++
drivers/usb/host/xhci.c | 63 +++++++++++++++++++++++++++++++++++++++++---
drivers/usb/host/xhci.h | 1 +
3 files changed, 67 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -38,12 +38,18 @@ static const struct xhci_driver_override
static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct device_node *node = pdev->dev.of_node;
+
/*
* As of now platform drivers don't provide MSI support so we ensure
* here that the generic code does not try to make a pci_dev from our
* dev struct in order to setup MSI
*/
xhci->quirks |= XHCI_PLAT;
+
+ if (node && of_machine_is_compatible("brcm,bcm4708"))
+ xhci->quirks |= XHCI_FAKE_DOORBELL;
}
/* called during probe() after chip reset completes */
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -152,6 +152,49 @@ static int xhci_start(struct xhci_hcd *x
return ret;
}
+/**
+ * xhci_fake_doorbell - Perform a fake doorbell on a specified slot
+ *
+ * Some controllers require a fake doorbell to start correctly. Without that
+ * they simply don't detect any devices.
+ */
+static int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id)
+{
+ u32 temp;
+
+ /* Alloc a virt device for that slot */
+ if (!xhci_alloc_virt_device(xhci, slot_id, NULL, GFP_NOIO)) {
+ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
+ return -ENOMEM;
+ }
+
+ /* Ring fake doorbell for slot_id ep 0 */
+ xhci_ring_ep_doorbell(xhci, slot_id, 0, 0);
+ usleep_range(1000, 1500);
+
+ /* Read the status to check if HSE is set or not */
+ temp = readl(&xhci->op_regs->status);
+
+ /* Clear HSE if set */
+ if (temp & STS_FATAL) {
+ xhci_dbg(xhci, "HSE problem detected, status: 0x%08x\n", temp);
+ temp &= ~0x1fff;
+ temp |= STS_FATAL;
+ writel(temp, &xhci->op_regs->status);
+ usleep_range(1000, 1500);
+ readl(&xhci->op_regs->status);
+ }
+
+ /* Free virt device */
+ xhci_free_virt_device(xhci, slot_id);
+
+ /* We're done if controller is already running */
+ if (readl(&xhci->op_regs->command) & CMD_RUN)
+ return 0;
+
+ return xhci_start(xhci);
+}
+
/*
* Reset a halted HC.
*
@@ -568,10 +611,20 @@ int xhci_init(struct usb_hcd *hcd)
static int xhci_run_finished(struct xhci_hcd *xhci)
{
- if (xhci_start(xhci)) {
- xhci_halt(xhci);
- return -ENODEV;
+ int err;
+
+ err = xhci_start(xhci);
+ if (err) {
+ err = -ENODEV;
+ goto err_halt;
+ }
+
+ if (xhci->quirks & XHCI_FAKE_DOORBELL) {
+ err = xhci_fake_doorbell(xhci, 1);
+ if (err)
+ goto err_halt;
}
+
xhci->shared_hcd->state = HC_STATE_RUNNING;
xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
@@ -581,6 +634,10 @@ static int xhci_run_finished(struct xhci
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Finished xhci_run for USB3 roothub");
return 0;
+
+err_halt:
+ xhci_halt(xhci);
+ return err;
}
/*
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1635,6 +1635,7 @@ struct xhci_hcd {
#define XHCI_BROKEN_STREAMS (1 << 19)
#define XHCI_PME_STUCK_QUIRK (1 << 20)
#define XHCI_MISSING_CAS (1 << 24)
+#define XHCI_FAKE_DOORBELL (1 << 25)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */

101
target/linux/bcm53xx/patches-4.9/300-ARM-BCM5301X-Disable-MMU-and-Dcache-during-decompres.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 24 Sep 2014 22:14:07 +0200
Subject: [PATCH] ARM: BCM5301X: Disable MMU and Dcache during decompression
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Broadcom devices have broken CFE (bootloader) that leaves hardware in an
invalid state. It causes problems with booting Linux. On Northstar
devices kernel was randomly hanging in ~25% of tries during early init.
Hangs used to happen at random places in the start_kernel. On BCM53573
kernel doesn't even seem to start booting.
To workaround this problem we need to do following very early:
1) Clear 2 following bits in the SCTLR register:
#define CR_M (1 << 0) /* MMU enable */
#define CR_C (1 << 2) /* Dcache enable */
2) Flush the whole D-cache
3) Disable L2 cache
Unfortunately this patch is not upstreamable as it does above things
unconditionally. We can't check if we are running on Broadcom platform
in any safe way and doing such hacks with ARCH_MULTI_V7 is unacceptable
as it could break other devices support.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -31,6 +31,11 @@ ifeq ($(CONFIG_ARCH_ACORN),y)
OBJS += ll_char_wr.o font.o
endif
+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
+OBJS += head-bcm_5301x-mpcore.o
+OBJS += cache-v7-min.o
+endif
+
ifeq ($(CONFIG_ARCH_SA1100),y)
OBJS += head-sa1100.o
endif
--- /dev/null
+++ b/arch/arm/boot/compressed/head-bcm_5301x-mpcore.S
@@ -0,0 +1,37 @@
+/*
+ *
+ * Platform specific tweaks. This is merged into head.S by the linker.
+ *
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/cp15.h>
+
+ .section ".start", "ax"
+
+/*
+ * This code section is spliced into the head code by the linker
+ */
+
+__plat_uncompress_start:
+
+ @ Preserve r8/r7 i.e. kernel entry values
+ mov r12, r8
+
+ @ Clear MMU enable and Dcache enable bits
+ mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR
+ bic r0, #CR_C|CR_M
+ mcr p15, 0, r0, c1, c0, 0 @ Write SCTLR
+ nop
+
+ @ Call the cache invalidation routine
+ bl v7_flush_dcache_all
+ nop
+ mov r0,#0
+ ldr r3, =0x19022000 @ L2 cache controller, control reg
+ str r0, [r3, #0x100] @ Disable L2 cache
+ nop
+
+ @ Restore
+ mov r8, r12
--- a/arch/arm/boot/compressed/cache-v7-min.S
+++ b/arch/arm/boot/compressed/cache-v7-min.S
@@ -12,6 +12,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
+#include <asm/assembler.h>
__INIT
@@ -63,7 +64,7 @@ loop2:
ARM( orr r11, r11, r9, lsl r2 ) @ factor index number into r11
THUMB( lsl r6, r9, r2 )
THUMB( orr r11, r11, r6 ) @ factor index number into r11
- mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way
+ mcr p15, 0, r11, c7, c6, 2 @ clean & invalidate by set/way
subs r9, r9, #1 @ decrement the index
bge loop2
subs r4, r4, #1 @ decrement the way

64
target/linux/bcm53xx/patches-4.9/310-ARM-BCM5301X-Add-DT-for-Netgear-R7900.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] ARM: BCM5301X: Add DT for Netgear R7900
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -80,6 +80,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-linksys-ea9200.dtb \
bcm4709-netgear-r7000.dtb \
+ bcm4709-netgear-r7900.dtb \
bcm4709-netgear-r8000.dtb \
bcm4709-tplink-archer-c9-v1.dtb \
bcm47094-dlink-dir-885l.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7900.dts
@@ -0,0 +1,42 @@
+/*
+ * Broadcom BCM470X / BCM5301X ARM platform code.
+ * DTS for Netgear R7900
+ *
+ * Copyright (C) 2016 Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/dts-v1/;
+
+#include "bcm4709.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "netgear,r7900", "brcm,bcm4709", "brcm,bcm4708";
+ model = "Netgear R7900";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
+ };
+
+ axi@18000000 {
+ usb3@23000 {
+ reg = <0x00023000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};

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target/linux/bcm53xx/patches-4.9/311-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch
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From: Felix Fietkau <nbd@nbd.name>
Subject: [PATCH] ARM: BCM5301X: Add power button for Buffalo WZR-1750DHP
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -103,6 +103,12 @@
#address-cells = <1>;
#size-cells = <0>;
+ power {
+ label = "Power";
+ linux,code = <KEY_POWER>;
+ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+ };
+
restart {
label = "Reset";
linux,code = <KEY_RESTART>;

34
target/linux/bcm53xx/patches-4.9/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] mtd: spi-nor: detect JEDEC incompatible w25q128 using 0x90
command
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some w25q128 chipsets don't support RDID (0x9f) command, they reply with
0xff-s only. To suppose such flashes fallback to the 0x90 command.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -875,6 +875,18 @@ static const struct flash_info *spi_nor_
}
dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %2x, %2x\n",
id[0], id[1], id[2]);
+
+ tmp = nor->read_reg(nor, 0x90, id, SPI_NOR_MAX_ID_LEN);
+ if (tmp < 0) {
+ dev_dbg(nor->dev, " error %d reading JEDEC ID\n", tmp);
+ return ERR_PTR(tmp);
+ }
+ dev_info(nor->dev, "using Read Manufacturer / Device ID command (0x%02x) returned %02x %02x\n",
+ 0x90, id[0x03], id[0x04]);
+ if (id[0x03] == 0xef && id[0x04] == 0x17) {
+ return spi_nor_match_id("w25q128");
+ }
+
return ERR_PTR(-ENODEV);
}

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target/linux/bcm53xx/patches-4.9/401-mtd-m25p80-use-single-SPI-message-for-writing-data.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] mtd: m25p80: use single SPI message for writing data
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On all 3 tested Northstar devices with following flash memories:
mx25l6405d (8192 Kbytes)
mx25l12805d (16384 Kbytes)
mx25l25635e (32768 Kbytes)
I noticed writing to be broken. Not a single bit was changed leaving all
bytes set to 0xff.
This is most likely some problem related to the SPI controller or its
driver. Using a single SPI message seems to workaround this. Of course
it's not perfect solution as copying whole data into a new buffer makes
writing slower.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -78,6 +78,7 @@ static ssize_t m25p80_write(struct spi_n
{
struct m25p *flash = nor->priv;
struct spi_device *spi = flash->spi;
+ u8 *command = kzalloc(MAX_CMD_SIZE + len, GFP_KERNEL);
struct spi_transfer t[2] = {};
struct spi_message m;
int cmd_sz = m25p_cmdsz(nor);
@@ -88,24 +89,26 @@ static ssize_t m25p80_write(struct spi_n
if (nor->program_opcode == SPINOR_OP_AAI_WP && nor->sst_write_second)
cmd_sz = 1;
- flash->command[0] = nor->program_opcode;
- m25p_addr2cmd(nor, to, flash->command);
+ command[0] = nor->program_opcode;
+ m25p_addr2cmd(nor, to, command);
+ memcpy(&command[cmd_sz], buf, len);
- t[0].tx_buf = flash->command;
- t[0].len = cmd_sz;
+ t[0].tx_buf = command;
+ t[0].len = cmd_sz + len;
spi_message_add_tail(&t[0], &m);
- t[1].tx_buf = buf;
- t[1].len = len;
- spi_message_add_tail(&t[1], &m);
-
ret = spi_sync(spi, &m);
- if (ret)
+ if (ret) {
+ kfree(command);
return ret;
+ }
ret = m.actual_length - cmd_sz;
- if (ret < 0)
+ if (ret < 0) {
+ kfree(command);
return -EIO;
+ }
+ kfree(command);
return ret;
}

59
target/linux/bcm53xx/patches-4.9/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch
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From 2a2af518266a29323cf30c3f9ba9ef2ceb1dd84b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Thu, 16 Oct 2014 20:52:16 +0200
Subject: [PATCH] UBI: Detect EOF mark and erase all remaining blocks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/ubi/attach.c | 5 +++++
drivers/mtd/ubi/io.c | 4 ++++
drivers/mtd/ubi/ubi.h | 1 +
3 files changed, 10 insertions(+)
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -95,6 +95,9 @@ static int self_check_ai(struct ubi_devi
#define AV_ADD BIT(1)
#define AV_FIND_OR_ADD (AV_FIND | AV_ADD)
+/* Set on finding block with 0xdeadc0de, indicates erasing all blocks behind */
+bool erase_all_next;
+
/**
* find_or_add_av - internal function to find a volume, add a volume or do
* both (find and add if missing).
@@ -1592,6 +1595,8 @@ int ubi_attach(struct ubi_device *ubi, i
if (!ai)
return -ENOMEM;
+ erase_all_next = false;
+
#ifdef CONFIG_MTD_UBI_FASTMAP
/* On small flash devices we disable fastmap in any case. */
if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) {
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -759,6 +759,10 @@ int ubi_io_read_ec_hdr(struct ubi_device
}
magic = be32_to_cpu(ec_hdr->magic);
+ if (magic == 0xdeadc0de)
+ erase_all_next = true;
+ if (erase_all_next)
+ return read_err ? UBI_IO_FF_BITFLIPS : UBI_IO_FF;
if (magic != UBI_EC_HDR_MAGIC) {
if (mtd_is_eccerr(read_err))
return UBI_IO_BAD_HDR_EBADMSG;
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -823,6 +823,7 @@ extern struct mutex ubi_devices_mutex;
extern struct blocking_notifier_head ubi_notifiers;
/* attach.c */
+extern bool erase_all_next;
struct ubi_ainf_peb *ubi_alloc_aeb(struct ubi_attach_info *ai, int pnum,
int ec);
void ubi_free_aeb(struct ubi_attach_info *ai, struct ubi_ainf_peb *aeb);

52
target/linux/bcm53xx/patches-4.9/700-b53-add-hacky-CPU-port-fixes-for-devices-not-using-p.patch
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From 4abdde3ad6bc0b3b157c4bf6ec0bf139d11d07e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 13 May 2015 14:13:28 +0200
Subject: [PATCH] b53: add hacky CPU port fixes for devices not using port 5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/net/phy/b53/b53_common.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/phy/b53/b53_common.c
+++ b/drivers/net/phy/b53/b53_common.c
@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/switch.h>
#include <linux/platform_data/b53.h>
+#include <linux/of.h>
#include "b53_regs.h"
#include "b53_priv.h"
@@ -1383,6 +1384,28 @@ static int b53_switch_init(struct b53_de
sw_dev->cpu_port = 5;
}
+ /* Set correct CPU port */
+ if (of_machine_is_compatible("asus,rt-ac87u"))
+ sw_dev->cpu_port = 7;
+ else if (of_machine_is_compatible("netgear,r7900"))
+ sw_dev->cpu_port = 8;
+ else if (of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 8;
+ else if (of_machine_is_compatible("netgear,r8500"))
+ sw_dev->cpu_port = 8;
+
+ /* Enable extra ports */
+ if (of_machine_is_compatible("tenda,ac9"))
+ dev->enabled_ports |= BIT(5);
+
+ /*
+ * Workaround for devices using port 8 (connected to the 3rd iface).
+ * For some reason it doesn't work (no packets on eth2).
+ */
+ if (of_machine_is_compatible("netgear,r7900") ||
+ of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 5;
+
dev->enabled_ports |= BIT(sw_dev->cpu_port);
sw_dev->ports = fls(dev->enabled_ports);

48
target/linux/bcm53xx/patches-4.9/900-mtd-bcm47xxpart-add-device-specific-workarounds.patch
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] mtd: bcm47xxpart: add device specific workarounds
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/of.h>
#include <uapi/linux/magic.h>
@@ -249,6 +250,28 @@ static int bcm47xxpart_parse(struct mtd_
break;
}
+ /*
+ * Device specific workarounds (hacks). We should use DT to
+ * define partitions but we need a working TRX firmware splitter
+ * first.
+ */
+ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
+ /*
+ * "asus" partition uses JFFS2 which we don't detect and
+ * we don't want to as this could affect other devices.
+ */
+ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
+ continue;
+ } else if (of_machine_is_compatible("tplink,archer-c9-v1") && offset == 0xe40000) {
+ /*
+ * There is a whole set of partitions (not even listed
+ * by original firmware): "default-mac", "pin",
+ * "partition-table", etc.
+ */
+ bcm47xxpart_add_part(&parts[curr_part++], "tplink", offset, MTD_WRITEABLE);
+ continue;
+ }
+
/* Read beginning of the block */
err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
&bytes_read, (uint8_t *)buf);

88
target/linux/bcm53xx/patches-4.9/905-BCM53573-minor-hacks.patch
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From 6f1c62440eb6846cb8045d7a5480ec7bbe47c96f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 15 Aug 2016 10:30:41 +0200
Subject: [PATCH] BCM53573 minor hacks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/arch/arm/boot/dts/bcm53573.dtsi
+++ b/arch/arm/boot/dts/bcm53573.dtsi
@@ -44,6 +44,15 @@
};
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 13 0>,
+ <GIC_PPI 14 0>,
+ <GIC_PPI 11 0>,
+ <GIC_PPI 10 0>;
+ clocks = <&ilp>;
+ };
+
clocks {
#address-cells = <1>;
#size-cells = <1>;
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -352,14 +352,6 @@ static int bcma_register_devices(struct
}
#endif
-#ifdef CONFIG_BCMA_SFLASH
- if (bus->drv_cc.sflash.present) {
- err = platform_device_register(&bcma_sflash_dev);
- if (err)
- bcma_err(bus, "Error registering serial flash\n");
- }
-#endif
-
#ifdef CONFIG_BCMA_NFLASH
if (bus->drv_cc.nflash.present) {
err = platform_device_register(&bcma_nflash_dev);
@@ -440,6 +432,14 @@ int bcma_bus_register(struct bcma_bus *b
bcma_register_core(bus, core);
}
+#ifdef CONFIG_BCMA_SFLASH
+ if (bus->drv_cc.sflash.present) {
+ err = platform_device_register(&bcma_sflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering serial flash\n");
+ }
+#endif
+
/* Try to get SPROM */
err = bcma_sprom_get(bus);
if (err == -ENOENT) {
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -14,6 +14,7 @@
#include <linux/smp.h>
#include <linux/cpu.h>
#include <linux/cpu_pm.h>
+#include <linux/clk.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
#include <linux/interrupt.h>
@@ -376,6 +377,16 @@ arch_timer_detect_rate(void __iomem *cnt
arch_timer_rate = arch_timer_get_cntfrq();
}
+ /* Get clk rate through clk driver if present */
+ if (!arch_timer_rate) {
+ struct clk *clk = of_clk_get(np, 0);
+
+ if (!IS_ERR(clk)) {
+ if (!clk_prepare_enable(clk))
+ arch_timer_rate = clk_get_rate(clk);
+ }
+ }
+
/* Check the timer frequency. */
if (arch_timer_rate == 0)
pr_warn("Architected timer frequency not available\n");
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