From 77e97abf129c5028385dd72587eabab68db0d954 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 28 May 2020 19:08:55 +0200 Subject: bcm27xx: update to latest patches from RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas --- ...283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0637-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0637-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0637-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch b/target/linux/bcm27xx/patches-5.4/950-0637-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch new file mode 100644 index 0000000000..31840e5437 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0637-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch @@ -0,0 +1,28 @@ +From 142ad0b8433d6beb87070bd39a6b2d23ca9cae30 Mon Sep 17 00:00:00 2001 +From: Nicolas Saenz Julienne +Date: Thu, 19 Mar 2020 20:00:13 +0100 +Subject: [PATCH] ARM: dts: bcm283x: Fix vc4's firmware bus DMA + limitations + +The bus is virtual and devices have to inherit their DMA constraints +from the underlying interconnect. So add an empty dma-ranges property to +the bus node, implying the firmware bus' DMA constraints are identical to +its parent's. + +Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support") +Signed-off-by: Nicolas Saenz Julienne +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/bcm2835-rpi.dtsi | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi +@@ -15,6 +15,7 @@ + firmware: firmware { + compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + mboxes = <&mailbox>; ++ dma-ranges; + }; + + power: power { -- cgit v1.2.3