Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

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>

+4 -1
+4 -1
arch/xtensa/boot/dts/kc705.dts
··· 4 4 5 5 / { 6 6 compatible = "cdns,xtensa-kc705"; 7 + chosen { 8 + bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000"; 9 + }; 7 10 memory@0 { 8 11 device_type = "memory"; 9 - reg = <0x00000000 0x08000000>; 12 + reg = <0x00000000 0x38000000>; 10 13 }; 11 14 };