From: Max Filippov <jcmvbkbc@gmail.com>
Date: Mon, 24 Mar 2014 01:16:02 +0000 (+0400)
Subject: xtensa: configure kc705 for highmem
X-Git-Tag: v4.14-rc1~6277^2~9^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b82837c772c3a1d8778295ab094cf46ecddc8057;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/arch/xtensa/boot/dts/kc705.dts b/arch/xtensa/boot/dts/kc705.dts
index 742a347..c4d17a3 100644
--- a/arch/xtensa/boot/dts/kc705.dts
+++ b/arch/xtensa/boot/dts/kc705.dts
@@ -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>;
 	};
 };