[armhf, arm64] Backport devicetree for enabling support for the Raspberry PI 3 A+
We already have everything we need inside the kernel 4.19.x for supporting this board. backporting patches from upstream so we get the support for buster.
This commit is contained in:
parent
530030f117
commit
1df282987d
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@ -2,6 +2,8 @@ linux (4.19.67-3) UNRELEASED; urgency=medium
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[ Romain Perier ]
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[ Romain Perier ]
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* [armel/rpi] Enable CONFIG_BRCMFMAC_SDIO (Closes: #940530)
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* [armel/rpi] Enable CONFIG_BRCMFMAC_SDIO (Closes: #940530)
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* [armhf, arm64] Backport devicetree for enabling support for the
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Raspberry PI 3 A+
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[ Salvatore Bonaccorso ]
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[ Salvatore Bonaccorso ]
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* ixgbe: Fix secpath usage for IPsec TX offload (Closes: #930443)
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* ixgbe: Fix secpath usage for IPsec TX offload (Closes: #930443)
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@ -0,0 +1,211 @@
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From: Stefan Wahren <stefan.wahren@i2se.com>
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Date: Fri, 28 Dec 2018 23:09:26 +0100
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Subject: ARM: dts: add Raspberry Pi 3 A+
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Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=bd80be88e05792db948bf3567a216743fdea5027
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The Raspberry Pi 3 A+ is similar to the Pi 3 B+ but has only 512 MB RAM,
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1 USB 2.0 port and no Ethernet.
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Compared to the Raspberry Pi 3 B it isn't possible to control BT_ON and
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WL_ON separately.
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Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
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Acked-by: Eric Anholt <eric@anholt.net>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 175 +++++++++++++++++++++
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2 files changed, 176 insertions(+)
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create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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Index: debian-kernel/arch/arm/boot/dts/Makefile
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===================================================================
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--- debian-kernel.orig/arch/arm/boot/dts/Makefile
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+++ debian-kernel/arch/arm/boot/dts/Makefile
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@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
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bcm2835-rpi-a-plus.dtb \
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bcm2835-rpi-cm1-io1.dtb \
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bcm2836-rpi-2-b.dtb \
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+ bcm2837-rpi-3-a-plus.dtb \
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bcm2837-rpi-3-b.dtb \
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bcm2837-rpi-3-b-plus.dtb \
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bcm2837-rpi-cm3-io3.dtb \
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Index: debian-kernel/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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===================================================================
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--- /dev/null
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+++ debian-kernel/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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@@ -0,0 +1,175 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/dts-v1/;
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+#include "bcm2837.dtsi"
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+#include "bcm2836-rpi.dtsi"
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+#include "bcm283x-rpi-usb-host.dtsi"
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+
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+/ {
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+ compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837";
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+ model = "Raspberry Pi 3 Model A+";
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+
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+ chosen {
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+ /* 8250 auxiliary UART instead of pl011 */
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+ stdout-path = "serial1:115200n8";
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+ };
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+
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+ memory {
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+ reg = <0 0x20000000>;
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+ };
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+
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+ leds {
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+ act {
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+ gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
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+ };
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+
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+ pwr {
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+ label = "PWR";
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+ gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
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+ };
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+ };
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+};
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+
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+&firmware {
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+ expgpio: gpio {
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+ compatible = "raspberrypi,firmware-gpio";
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+ gpio-line-names = "",
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+ "BT_WL_ON",
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+ "STATUS_LED_R",
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+ "",
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+ "",
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+ "CAM_GPIO0",
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+ "CAM_GPIO1",
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+ "";
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+ status = "okay";
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+ };
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+};
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+
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+&gpio {
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+ /*
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+ * This is mostly based on the official GPU firmware DT blob.
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+ *
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+ * Legend:
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+ * "NC" = not connected (no rail from the SoC)
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+ * "FOO" = GPIO line named "FOO" on the schematic
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+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
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+ */
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+ gpio-line-names = "ID_SDA",
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+ "ID_SCL",
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+ "SDA1",
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+ "SCL1",
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+ "GPIO_GCLK",
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+ "GPIO5",
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+ "GPIO6",
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+ "SPI_CE1_N",
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+ "SPI_CE0_N",
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+ "SPI_MISO",
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+ "SPI_MOSI",
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+ "SPI_SCLK",
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+ "GPIO12",
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+ "GPIO13",
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+ /* Serial port */
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+ "TXD1",
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+ "RXD1",
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+ "GPIO16",
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+ "GPIO17",
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+ "GPIO18",
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+ "GPIO19",
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+ "GPIO20",
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+ "GPIO21",
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+ "GPIO22",
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+ "GPIO23",
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+ "GPIO24",
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+ "GPIO25",
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+ "GPIO26",
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+ "GPIO27",
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+ "HDMI_HPD_N",
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+ "STATUS_LED_G",
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+ /* Used by BT module */
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+ "CTS0",
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+ "RTS0",
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+ "TXD0",
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+ "RXD0",
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+ /* Used by Wifi */
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+ "SD1_CLK",
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+ "SD1_CMD",
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+ "SD1_DATA0",
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+ "SD1_DATA1",
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+ "SD1_DATA2",
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+ "SD1_DATA3",
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+ "PWM0_OUT",
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+ "PWM1_OUT",
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+ "", /* GPIO42 */
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+ "WIFI_CLK",
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+ "SDA0",
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+ "SCL0",
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+ "SMPS_SCL",
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+ "SMPS_SDA",
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+ /* Used by SD Card */
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+ "SD_CLK_R",
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+ "SD_CMD_R",
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+ "SD_DATA0_R",
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+ "SD_DATA1_R",
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+ "SD_DATA2_R",
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+ "SD_DATA3_R";
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+};
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+
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+&hdmi {
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+ hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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+};
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+
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+&pwm {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
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+ status = "okay";
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+};
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+
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+/*
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+ * SDHCI is used to control the SDIO for wireless
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+ *
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+ * WL_REG_ON and BT_REG_ON of the CYW43455 Wifi/BT module are driven
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+ * by a single GPIO. We can't give GPIO control to one of the drivers,
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+ * otherwise the other part would get unexpectedly disturbed.
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+ */
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+&sdhci {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&emmc_gpio34>;
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+ status = "okay";
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+ bus-width = <4>;
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+ non-removable;
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+
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+ brcmf: wifi@1 {
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+ reg = <1>;
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+ compatible = "brcm,bcm4329-fmac";
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+ };
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+};
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+
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+/* SDHOST is used to drive the SD card */
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+&sdhost {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdhost_gpio48>;
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+ status = "okay";
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+ bus-width = <4>;
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+};
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+
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+/* uart0 communicates with the BT module */
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
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+ status = "okay";
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+
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+ bluetooth {
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+ compatible = "brcm,bcm43438-bt";
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+ max-speed = <2000000>;
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+ };
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+};
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+
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+/* uart1 is mapped to the pin header */
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+&uart1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart1_gpio14>;
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+ status = "okay";
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+};
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43
debian/patches/features/arm/ARM-dts-bcm283x-Correct-vchiq-compatible-string.patch
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Normal file
43
debian/patches/features/arm/ARM-dts-bcm283x-Correct-vchiq-compatible-string.patch
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Normal file
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@ -0,0 +1,43 @@
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From: Romain Perier <romain.perier@gmail.com>
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Date: Wed, 16 Oct 2019 19:03:00 +0200
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Subject: ARM: dts: bcm283x: Correct vchiq compatible string
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This allows VCHIQ to determine the correct cache line size, use the new
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"brcm,bcm2836-vchiq" compatible string on BCM2836. It is based on commit
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499770 ("ARM: dts: bcm283x: Correct vchiq compatible string")
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Signed-off-by: Romain Perier <romain.perier@gmail.com>
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---
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arch/arm/boot/dts/bcm2835-rpi.dtsi | 2 +-
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arch/arm/boot/dts/bcm2836-rpi.dtsi | 6 ++++++
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2 files changed, 7 insertions(+), 1 deletion(-)
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create mode 100644 arch/arm/boot/dts/bcm2836-rpi.dtsi
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diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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index cb2d6d78a7fb..b3da141bb793 100644
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--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
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+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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@@ -30,7 +30,7 @@
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#power-domain-cells = <1>;
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};
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- mailbox@7e00b840 {
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+ vchiq: mmailbox@7e00b840 {
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compatible = "brcm,bcm2835-vchiq";
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reg = <0x7e00b840 0xf>;
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interrupts = <0 2>;
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diff --git a/arch/arm/boot/dts/bcm2836-rpi.dtsi b/arch/arm/boot/dts/bcm2836-rpi.dtsi
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new file mode 100644
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index 000000000000..c4c858b984c6
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2836-rpi.dtsi
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@@ -0,0 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0
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+#include "bcm2835-rpi.dtsi"
|
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|
+
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+&vchiq {
|
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+ compatible = "brcm,bcm2836-vchiq", "brcm,bcm2835-vchiq";
|
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+};
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--
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|
2.23.0
|
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|
133
debian/patches/features/arm/staging-vc04_services-Use-correct-cache-line-size.patch
vendored
Normal file
133
debian/patches/features/arm/staging-vc04_services-Use-correct-cache-line-size.patch
vendored
Normal file
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@ -0,0 +1,133 @@
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|
From: Phil Elwell <phil@raspberrypi.org>
|
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|
Date: Mon, 17 Sep 2018 09:22:21 +0100
|
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|
Subject: staging/vc04_services: Use correct cache line size
|
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|
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=c683db8860a80562a2bb5b451d77b3e471d24f36
|
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|
|
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|
Use the compatible string in the DTB to select the correct cache line
|
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|
size for the SoC - 32 for BCM2835, and 64 for BCM2836 and BCM2837.
|
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|
|
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|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
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|
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
|
||||||
|
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||||||
|
---
|
||||||
|
.../interface/vchiq_arm/vchiq_2835_arm.c | 4 ++-
|
||||||
|
.../interface/vchiq_arm/vchiq_arm.c | 35 +++++++++++++------
|
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|
.../interface/vchiq_arm/vchiq_arm.h | 5 +++
|
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|
3 files changed, 33 insertions(+), 11 deletions(-)
|
||||||
|
|
||||||
|
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
|
||||||
|
index 3bece6b86831..dd67b80c0f99 100644
|
||||||
|
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
|
||||||
|
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
|
||||||
|
@@ -109,7 +109,8 @@ free_pagelist(struct vchiq_pagelist_info *pagelistinfo,
|
||||||
|
int vchiq_platform_init(struct platform_device *pdev, VCHIQ_STATE_T *state)
|
||||||
|
{
|
||||||
|
struct device *dev = &pdev->dev;
|
||||||
|
- struct rpi_firmware *fw = platform_get_drvdata(pdev);
|
||||||
|
+ struct vchiq_drvdata *drvdata = platform_get_drvdata(pdev);
|
||||||
|
+ struct rpi_firmware *fw = drvdata->fw;
|
||||||
|
VCHIQ_SLOT_ZERO_T *vchiq_slot_zero;
|
||||||
|
struct resource *res;
|
||||||
|
void *slot_mem;
|
||||||
|
@@ -127,6 +128,7 @@ int vchiq_platform_init(struct platform_device *pdev, VCHIQ_STATE_T *state)
|
||||||
|
if (err < 0)
|
||||||
|
return err;
|
||||||
|
|
||||||
|
+ g_cache_line_size = drvdata->cache_line_size;
|
||||||
|
g_fragments_size = 2 * g_cache_line_size;
|
||||||
|
|
||||||
|
/* Allocate space for the channels in coherent memory */
|
||||||
|
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
|
||||||
|
index fe431302a030..45de21c210c1 100644
|
||||||
|
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
|
||||||
|
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
|
||||||
|
@@ -170,6 +170,14 @@ static struct device *vchiq_dev;
|
||||||
|
static DEFINE_SPINLOCK(msg_queue_spinlock);
|
||||||
|
static struct platform_device *bcm2835_camera;
|
||||||
|
|
||||||
|
+static struct vchiq_drvdata bcm2835_drvdata = {
|
||||||
|
+ .cache_line_size = 32,
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+static struct vchiq_drvdata bcm2836_drvdata = {
|
||||||
|
+ .cache_line_size = 64,
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
static const char *const ioctl_names[] = {
|
||||||
|
"CONNECT",
|
||||||
|
"SHUTDOWN",
|
||||||
|
@@ -3578,12 +3586,25 @@ void vchiq_platform_conn_state_changed(VCHIQ_STATE_T *state,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
+static const struct of_device_id vchiq_of_match[] = {
|
||||||
|
+ { .compatible = "brcm,bcm2835-vchiq", .data = &bcm2835_drvdata },
|
||||||
|
+ { .compatible = "brcm,bcm2836-vchiq", .data = &bcm2836_drvdata },
|
||||||
|
+ {},
|
||||||
|
+};
|
||||||
|
+MODULE_DEVICE_TABLE(of, vchiq_of_match);
|
||||||
|
+
|
||||||
|
static int vchiq_probe(struct platform_device *pdev)
|
||||||
|
{
|
||||||
|
struct device_node *fw_node;
|
||||||
|
- struct rpi_firmware *fw;
|
||||||
|
+ const struct of_device_id *of_id;
|
||||||
|
+ struct vchiq_drvdata *drvdata;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
+ of_id = of_match_node(vchiq_of_match, pdev->dev.of_node);
|
||||||
|
+ drvdata = (struct vchiq_drvdata *)of_id->data;
|
||||||
|
+ if (!drvdata)
|
||||||
|
+ return -EINVAL;
|
||||||
|
+
|
||||||
|
fw_node = of_find_compatible_node(NULL, NULL,
|
||||||
|
"raspberrypi,bcm2835-firmware");
|
||||||
|
if (!fw_node) {
|
||||||
|
@@ -3591,12 +3612,12 @@ static int vchiq_probe(struct platform_device *pdev)
|
||||||
|
return -ENOENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
- fw = rpi_firmware_get(fw_node);
|
||||||
|
+ drvdata->fw = rpi_firmware_get(fw_node);
|
||||||
|
of_node_put(fw_node);
|
||||||
|
- if (!fw)
|
||||||
|
+ if (!drvdata->fw)
|
||||||
|
return -EPROBE_DEFER;
|
||||||
|
|
||||||
|
- platform_set_drvdata(pdev, fw);
|
||||||
|
+ platform_set_drvdata(pdev, drvdata);
|
||||||
|
|
||||||
|
err = vchiq_platform_init(pdev, &g_state);
|
||||||
|
if (err != 0)
|
||||||
|
@@ -3666,12 +3687,6 @@ static int vchiq_remove(struct platform_device *pdev)
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
-static const struct of_device_id vchiq_of_match[] = {
|
||||||
|
- { .compatible = "brcm,bcm2835-vchiq", },
|
||||||
|
- {},
|
||||||
|
-};
|
||||||
|
-MODULE_DEVICE_TABLE(of, vchiq_of_match);
|
||||||
|
-
|
||||||
|
static struct platform_driver vchiq_driver = {
|
||||||
|
.driver = {
|
||||||
|
.name = "bcm2835_vchiq",
|
||||||
|
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
|
||||||
|
index 40bb0c63b1a9..2f3ebc99cbcf 100644
|
||||||
|
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
|
||||||
|
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
|
||||||
|
@@ -123,6 +123,11 @@ typedef struct vchiq_arm_state_struct {
|
||||||
|
|
||||||
|
} VCHIQ_ARM_STATE_T;
|
||||||
|
|
||||||
|
+struct vchiq_drvdata {
|
||||||
|
+ const unsigned int cache_line_size;
|
||||||
|
+ struct rpi_firmware *fw;
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
extern int vchiq_arm_log_level;
|
||||||
|
extern int vchiq_susp_log_level;
|
||||||
|
|
||||||
|
--
|
||||||
|
2.23.0
|
||||||
|
|
35
debian/patches/features/arm64/arm64-dts-broadcom-Add-reference-to-RPi-3-A-Plus.patch
vendored
Normal file
35
debian/patches/features/arm64/arm64-dts-broadcom-Add-reference-to-RPi-3-A-Plus.patch
vendored
Normal file
|
@ -0,0 +1,35 @@
|
||||||
|
From: Stefan Wahren <stefan.wahren@i2se.com>
|
||||||
|
Date: Fri, 28 Dec 2018 23:09:27 +0100
|
||||||
|
Subject: arm64: dts: broadcom: Add reference to RPi 3 A+
|
||||||
|
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=441d8020d8fc8654698f5518cdf76832f84101f4
|
||||||
|
|
||||||
|
This adds a reference to the dts of the Raspberry Pi 3 A+,
|
||||||
|
so we don't need to maintain the content in arm64.
|
||||||
|
|
||||||
|
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
|
||||||
|
Reviewed-by: Eric Anholt <eric@anholt.net>
|
||||||
|
---
|
||||||
|
arch/arm64/boot/dts/broadcom/Makefile | 3 ++-
|
||||||
|
arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts | 2 ++
|
||||||
|
2 files changed, 4 insertions(+), 1 deletion(-)
|
||||||
|
create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||||
|
|
||||||
|
Index: debian-kernel/arch/arm64/boot/dts/broadcom/Makefile
|
||||||
|
===================================================================
|
||||||
|
--- debian-kernel.orig/arch/arm64/boot/dts/broadcom/Makefile
|
||||||
|
+++ debian-kernel/arch/arm64/boot/dts/broadcom/Makefile
|
||||||
|
@@ -1,5 +1,6 @@
|
||||||
|
# SPDX-License-Identifier: GPL-2.0
|
||||||
|
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb \
|
||||||
|
+dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-a-plus.dtb \
|
||||||
|
+ bcm2837-rpi-3-b.dtb \
|
||||||
|
bcm2837-rpi-3-b-plus.dtb \
|
||||||
|
bcm2837-rpi-cm3-io3.dtb
|
||||||
|
|
||||||
|
Index: debian-kernel/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||||
|
===================================================================
|
||||||
|
--- /dev/null
|
||||||
|
+++ debian-kernel/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||||
|
@@ -0,0 +1,2 @@
|
||||||
|
+// SPDX-License-Identifier: GPL-2.0
|
||||||
|
+#include "arm/bcm2837-rpi-3-a-plus.dts"
|
|
@ -260,5 +260,11 @@ features/arm/ARM-dts-add-Raspberry-Pi-Compute-Module-3-and-IO-boa.patch
|
||||||
features/arm64/arm64-dts-broadcom-Add-reference-to-Compute-Module-I.patch
|
features/arm64/arm64-dts-broadcom-Add-reference-to-Compute-Module-I.patch
|
||||||
features/arm64/arm64-dts-broadcom-Use-the-.dtb-name-in-the-rule-rat.patch
|
features/arm64/arm64-dts-broadcom-Use-the-.dtb-name-in-the-rule-rat.patch
|
||||||
|
|
||||||
|
# Backported devicetree support for Raspberry Pi 3 1+ from 5.1
|
||||||
|
features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch
|
||||||
|
features/arm64/arm64-dts-broadcom-Add-reference-to-RPi-3-A-Plus.patch
|
||||||
|
features/arm/ARM-dts-bcm283x-Correct-vchiq-compatible-string.patch
|
||||||
|
features/arm/staging-vc04_services-Use-correct-cache-line-size.patch
|
||||||
|
|
||||||
# ABI maintenance
|
# ABI maintenance
|
||||||
debian/abi/powerpc-avoid-abi-change-for-disabling-tm.patch
|
debian/abi/powerpc-avoid-abi-change-for-disabling-tm.patch
|
||||||
|
|
Loading…
Reference in New Issue