Hello.

I have one question.

The size of DDR memory on the BBB board is 0x20000000.

# hexdump -C '/proc/device-tree/memory@80000000/reg'
00000000  80 00 00 00 20 00 00 00                           |.... ...|
00000008

I know that the DDR memory size passes from u-boot to Linux when the BBB 
board boots.

Which part of the u-boot program should I modify to set the DDR memory size 
to 0x1F000000?
(To use an area of size 0x01000000 for other purposes.)

Thanks.

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