Add pcie-32bit-dma-overlay-pi5 to enable 32bit DMA on the Pi 5's external PCIe
authorRodrigo Rosmaninho <quico.rosmaninho@gmail.com>
Tue, 23 Jan 2024 18:50:19 +0000 (18:50 +0000)
committerDom Cobley <popcornmix@gmail.com>
Mon, 19 Feb 2024 11:35:33 +0000 (11:35 +0000)
commit825763f6fbf089e86f57d14d276b6230a3b504fb
treeb6464983a3f7e790e0bc4d132b51df06e4bd38dc
parent175f1dcc093afb5bb216d706d9e40af3f00adaf3
Add pcie-32bit-dma-overlay-pi5 to enable 32bit DMA on the Pi 5's external PCIe

Changes dma-ranges in the pcie1 component of the bcm2712 dts in order to ensure that the DMA addressing space is 32bits, at the expense of having to bounce buffers.

Signed-off-by: Rodrigo Rosmaninho <r.rosmaninho@ua.pt>
arch/arm/boot/dts/overlays/Makefile
arch/arm/boot/dts/overlays/README
arch/arm/boot/dts/overlays/overlay_map.dts
arch/arm/boot/dts/overlays/pcie-32bit-dma-pi5-overlay.dts [new file with mode: 0644]