xtensa: configure kc705 for highmem



Enable all memory available on KC705 (1G - 128M) by default. Update memory
node in DTS and also limit usable memory in bootargs in case memmap is
passed from the bootloader.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

parent 270eec76

arch/xtensa/boot/dts/kc705.dts

+4 −1

Original line number	Diff line number	Diff line
		@@ -4,8 +4,11 @@

		/ {
		compatible = "cdns,xtensa-kc705";
		chosen {
		bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000";
		};
		memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x08000000>;
		reg = <0x00000000 0x38000000>;
		};
		};