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 (file)
--- 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>;
+};