AuxXxilium/linux_dsm_epyc7002
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ARM: dts: aspeed: witherspoon: Enable XDMA engine

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Add a reserved memory node for the VGA memory. Add the XDMA engine node,
enable it, and point it's memory region to the VGA memory.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Eddie James 2020-05-05 11:58:24 -05:00 committed by Joel Stanley
parent 645afe73f9
commit 67268c28cc
1 changed files with 11 additions and 0 deletions
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11
arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
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@ -27,6 +27,12 @@ flash_memory: region@98000000 {
reg = <0x98000000 0x04000000>; /* 64M */
};
vga_memory: region@9f000000 {
no-map;
compatible = "shared-dma-pool";
reg = <0x9f000000 0x01000000>; /* 16M */
};
gfx_memory: framebuffer {
size = <0x01000000>;
alignment = <0x01000000>;
@ -690,4 +696,9 @@ &video {
memory-region = <&video_engine_memory>;
};
&xdma {
status = "okay";
memory-region = <&vga_memory>;
};
#include "ibm-power9-dual.dtsi"