diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0361-ARM-dts-Expand-PCIe-space-on-BCM2711.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0361-ARM-dts-Expand-PCIe-space-on-BCM2711.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0361-ARM-dts-Expand-PCIe-space-on-BCM2711.patch b/target/linux/bcm27xx/patches-5.10/950-0361-ARM-dts-Expand-PCIe-space-on-BCM2711.patch new file mode 100644 index 0000000000..a791013aa0 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0361-ARM-dts-Expand-PCIe-space-on-BCM2711.patch @@ -0,0 +1,30 @@ +From f78a15dcaf63a5ad478670fd1d52d85261e88f37 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Mon, 26 Oct 2020 10:35:43 +0000 +Subject: [PATCH] ARM: dts: Expand PCIe space on BCM2711 + +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> +--- + arch/arm/boot/dts/bcm2711.dtsi | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/arm/boot/dts/bcm2711.dtsi ++++ b/arch/arm/boot/dts/bcm2711.dtsi +@@ -503,8 +503,8 @@ + msi-controller; + msi-parent = <&pcie0>; + +- ranges = <0x02000000 0x0 0xf8000000 0x6 0x00000000 +- 0x0 0x04000000>; ++ ranges = <0x02000000 0x0 0xc0000000 0x6 0x00000000 ++ 0x0 0x40000000>; + /* + * The wrapper around the PCIe block has a bug + * preventing it from accessing beyond the first 3GB of |