ARM: dts: Expand PCIe space on BCM2711 #3930
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Attempts to connect external GPUs to Compute Module 4's PCIe bus have highlighted that the existing "outbound window" - the fraction of the PCI address base that is appears in the host's memory map - is restrictively small. Expand the window to a full 1GB. See: https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=288902 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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See: raspberrypi/Raspberry-Pi-OS-64bit#4 kernel: ARM: dts: Expand PCIe space on BCM2711 See: raspberrypi/linux#3930 kernel: bcm2711_defconfig: Restore lost downstream char drivers See: https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=288234&start=100#p1746578 kernel: dt updates, and kms using bcm2711-hvs for dma range See: raspberrypi/linux#3927 kernel: 5.9: ov9281 cherrypick and kms patches See: raspberrypi/linux#3914
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See: raspberrypi/Raspberry-Pi-OS-64bit#4 kernel: ARM: dts: Expand PCIe space on BCM2711 See: raspberrypi/linux#3930 kernel: bcm2711_defconfig: Restore lost downstream char drivers See: https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=288234&start=100#p1746578 kernel: dt updates, and kms using bcm2711-hvs for dma range See: raspberrypi/linux#3927 kernel: 5.9: ov9281 cherrypick and kms patches See: raspberrypi/linux#3914
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Attempts to connect external GPUs to Compute Module 4's PCIe bus have
highlighted that the existing "outbound window" - the fraction of the
PCI address base that is appears in the host's memory map - is
restrictively small. Expand the window to a full 1GB.
See: https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=288902
Signed-off-by: Phil Elwell phil@raspberrypi.com