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xtensa: configure kc705 for highmem

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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>
This commit is contained in:
Max Filippov 2014-03-24 05:16:02 +04:00
parent 270eec76de
commit b82837c772
1 changed files with 4 additions and 1 deletions
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5
arch/xtensa/boot/dts/kc705.dts
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@ -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>;
};
};