Re: [PATCH 2/2] Platform/RaspberryPi: Increase genet dma window


Ard Biesheuvel
 

On Thu, 15 Apr 2021 at 21:22, Jeremy Linton <jeremy.linton@arm.com> wrote:

The genet is capable of addressing the entire memory space
on the RPI4. Lets allow it to dma into those regions.
This solves intermittent issues with grub/etc being able
to communicate when the 3G limit is lifted on 8G boards.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>


---
Platform/RaspberryPi/RPi4/RPi4.dsc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Platform/RaspberryPi/RPi4/RPi4.dsc b/Platform/RaspberryPi/RPi4/RPi4.dsc
index ddf4dd6a41..facf34f034 100644
--- a/Platform/RaspberryPi/RPi4/RPi4.dsc
+++ b/Platform/RaspberryPi/RPi4/RPi4.dsc
@@ -698,7 +698,7 @@
Silicon/Broadcom/Drivers/Net/BcmGenetDxe/BcmGenetDxe.inf {
<PcdsFixedAtBuild>
gEmbeddedTokenSpaceGuid.PcdDmaDeviceOffset|0x00000000
- gEmbeddedTokenSpaceGuid.PcdDmaDeviceLimit|0xffffffff
+ gEmbeddedTokenSpaceGuid.PcdDmaDeviceLimit|0xffffffffff
}

#
--
2.13.7





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