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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-19 07:17:21 +0100 |
| commit | 62b7f5931c54e96fca56dd8761b0e466d355c881 (patch) | |
| tree | 1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0631-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch | |
| parent | 76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff) | |
| download | upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.gz upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.bz2 upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.zip | |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0631-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0631-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0631-ARM-dts-bcm283x-Fix-vc4-s-firmware-bus-DMA-limitatio.patch b/target/linux/bcm27xx/patches-5.4/950-0631-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-5.4/950-0631-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 <nsaenzjulienne@suse.de> +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 <nsaenzjulienne@suse.de> +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + 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 { |