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ARC: HAPS: add HIGHMEM memory zone to DTS 

This is required as a preparation of merging nSIM and HASP
defonfig and device tree.

As we have HIGHMEM disabled in both HAPS and nSIM defconfigs
this doesn't lead to any functional change.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2019-10-23 15:44:13 +03:00 committed by Vineet Gupta
parent 3696fc9774
commit 14fa486f5a
1 changed files with 8 additions and 5 deletions
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13
arch/arc/boot/dts/haps_hs.dts
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@ -9,13 +9,15 @@
/ {
model = "snps,zebu_hs";
compatible = "snps,zebu_hs";
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
interrupt-parent = <&core_intc>;
memory {
device_type = "memory";
reg = <0x80000000 0x20000000>; /* 512 */
/* CONFIG_LINUX_RAM_BASE needs to match low mem start */
reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MB low mem */
0x1 0x00000000 0x0 0x40000000>; /* 1 GB highmem */
};
chosen {
@ -31,8 +33,9 @@ fpga {
#address-cells = <1>;
#size-cells = <1>;
/* child and parent address space 1:1 mapped */
ranges;
/* only perip space at end of low mem accessible
bus addr, parent bus addr, size */
ranges = <0x80000000 0x0 0x80000000 0x80000000>;
core_clk: core_clk {
#clock-cells = <0>;