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authorVineet Gupta <vgupta@synopsys.com>2015-10-28 19:06:10 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-10-28 19:50:26 +0530
commit29e332261d2ae0900e3befffd90cd70594cd7a84 (patch)
treea55f6160b622b245d6de1c776edf4dbd9c060203 /arch/arc/boot
parent45890f6d34e70d9dd194bd1729eba3ff72cabf78 (diff)
downloadop-kernel-dev-29e332261d2ae0900e3befffd90cd70594cd7a84.zip
op-kernel-dev-29e332261d2ae0900e3befffd90cd70594cd7a84.tar.gz
ARC: mm: HIGHMEM: populate high memory from DT
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/boot')
-rw-r--r--arch/arc/boot/dts/nsim_hs.dts12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arc/boot/dts/nsim_hs.dts b/arch/arc/boot/dts/nsim_hs.dts
index 911f069..b0eb0e7 100644
--- a/arch/arc/boot/dts/nsim_hs.dts
+++ b/arch/arc/boot/dts/nsim_hs.dts
@@ -11,8 +11,16 @@
/ {
compatible = "snps,nsim_hs";
+ #address-cells = <2>;
+ #size-cells = <2>;
interrupt-parent = <&core_intc>;
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x40000000 /* 1 GB low mem */
+ 0x1 0x00000000 0x0 0x40000000>; /* 1 GB highmem */
+ };
+
chosen {
bootargs = "earlycon=arc_uart,mmio32,0xc0fc1000,115200n8 console=ttyARC0,115200n8";
};
@@ -26,8 +34,8 @@
#address-cells = <1>;
#size-cells = <1>;
- /* child and parent address space 1:1 mapped */
- ranges;
+ /* only perip space at end of low mem accessible */
+ ranges = <0x80000000 0x0 0x80000000 0x80000000>;
core_intc: core-interrupt-controller {
compatible = "snps,archs-intc";
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