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 <eaja...@linux.ibm.com>
---
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 47293a5..d336dd4 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 {
@@ -804,3 +810,8 @@
pinctrl-0 = <&pinctrl_lpc_default>,
<&pinctrl_lsirq_default>;
};
+
+&xdma {
+ status = "okay";
+ memory-region = <&vga_memory>;
+};
--
1.8.3.1
