From 965e0e26d62b850ab2ae4401e76cde06e9dc3656 Mon Sep 17 00:00:00 2001 From: Eddie James Date: Tue, 5 May 2020 11:58:25 -0500 Subject: [PATCH] ARM: dts: aspeed: tacoma: Enable XDMA engine 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 Signed-off-by: Joel Stanley --- arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts index 13c4aa0..61d7fd9 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts @@ -29,6 +29,12 @@ no-map; reg = <0xb8000000 0x4000000>; /* 64M */ }; + + vga_memory: region@bf000000 { + no-map; + compatible = "shared-dma-pool"; + reg = <0xbf000000 0x01000000>; /* 16M */ + }; }; gpio-keys { @@ -912,3 +918,8 @@ pinctrl-0 = <&pinctrl_lpc_default>, <&pinctrl_lsirq_default>; }; + +&xdma { + status = "okay"; + memory-region = <&vga_memory>; +}; -- 2.7.4