u-boot/board/highbank
Andre Przywara 1238d0143a arm: highbank: Do DRAM init from DT
So far U-Boot was hard coding a (surely sufficient) memory size of 512
MB, even though all machines out there have at least 4GB of DRAM.
Since U-Boot uses its memory knowledge to populate the EFI memory map,
we are missing out here, at best losing everything beyond 4GB on Midway
boxes (which typically come with 8GB of DRAM).

Since the management processor populated the DT memory node already with
the detected DRAM size and configuration, we use that to populate
U-Boot's memory bank information, which is the base for the UEFI memory
map.
This finally allows us to get rid of the NR_DRAM_BANKS=0 hack, that we
had in place to avoid U-Boot messing up the DT memory node before
loading the kernel.

Also, to cover the whole of memory, we need to enable PHYS_64BIT.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-04-20 07:31:12 -04:00
..
ahci.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
highbank.c arm: highbank: Do DRAM init from DT 2021-04-20 07:31:12 -04:00
MAINTAINERS Add board MAINTAINERS files 2014-07-30 08:48:06 -04:00
Makefile SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00