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>
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@ -4,8 +4,11 @@
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/ {
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compatible = "cdns,xtensa-kc705";
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chosen {
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bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x00000000 0x08000000>;
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reg = <0x00000000 0x38000000>;
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};
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};
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