92039f61af
The physical hardware allows DIMMs of 4 MB size and above, allowing up
to 3840 MB of memory, but is restricted by setup code to 3 GB.
Increase the limit to allow up to the maximum amount of memory.
Btw. the memory area from 0xf000.0000 to 0xffff.ffff is reserved by
the architecture for firmware and I/O memory and can not be used for
standard memory.
An upcoming 64-bit SeaBIOS-hppa firmware will allow more than 3.75GB
on 64-bit HPPA64. In this case the ram_max for the pa20 case will change.
Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: Nelson H. F. Beebe <beebe@math.utah.edu>
Fixes:
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.. | ||
hppa_hardware.h | ||
Kconfig | ||
machine.c | ||
meson.build | ||
trace.h |