bcm53xx: add kernel support for TP-LINK Archer C9 V1

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2016-11-19 07:58:25 +01:00
parent fd924d2068
commit eab2b17d43
3 changed files with 194 additions and 42 deletions

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@ -0,0 +1,146 @@
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";
+};

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@ -0,0 +1,48 @@
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
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/of.h>
#include <uapi/linux/magic.h>
@@ -159,6 +160,28 @@ static int bcm47xxpart_parse(struct mtd_info *master,
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);

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@ -1,42 +0,0 @@
From 21500872c1dba33848ddcf6bea97d58772675d36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Sun, 17 May 2015 14:00:52 +0200
Subject: [PATCH] mtd: bcm47xxpart: workaround for Asus RT-AC87U "asus"
partition
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/bcm47xxpart.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/of.h>
#include <uapi/linux/magic.h>
@@ -159,6 +160,17 @@ static int bcm47xxpart_parse(struct mtd_
break;
}
+ /*
+ * Ugly workaround for Asus RT-AC87U and its "asus" partition.
+ * It uses JFFS2 which we don't (want to) detect. We should
+ * probably use DT to define partitions but we need a working
+ * TRX firmware splitter first.
+ */
+ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
+ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
+ continue;
+ }
+
/* Read beginning of the block */
err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
&bytes_read, (uint8_t *)buf);