[U-Boot-Users] Q about automatic dram size detection in sdram_init()
stefan.roese at esd-electronics.com
Thu Jul 15 10:40:19 CEST 2004
> > The code works fine on all different memory configutations. This is
> > because of the mirroring of the written values. For example
> on a system
> > with 64MByte SDRAM a write to "ADDR_64MB" will mirror to one of the
> > smaller addresses and the current test will fail! So this
> is perfectly
> > OK.
> If you have a 64MB system, I'd expect that a write to ADDR_64MB
The memory controller is previously setup to 128MB. So a write to 64MB
is OK, and _will_ be mirrored to a lower address on a 64MB system!
I agree that the code is pretty ugly and I am thinking about reworking
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