From: Eddie James <eajames@linux.ibm.com>
Date: Tue, 5 May 2020 16:58:25 +0000 (-0500)
Subject: ARM: dts: aspeed: tacoma: Enable XDMA engine
X-Git-Tag: v5.10.7~1993^2~4^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=965e0e26d62b850ab2ae4401e76cde06e9dc3656;p=platform%2Fkernel%2Flinux-rpi.git

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 <eajames@linux.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
---

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>;
+};