[U-Boot] ARM relocation, probably trivial mistake - back to original problem

Reinhard Meyer u-boot at emk-elektronik.de
Fri Oct 1 09:42:30 CEST 2010


Hello,

it seems, that with relocation enabled, some
data does not seem to get initialized properly:

w/o relocation:

mmci
mci: setting clock 194000 Hz, block size 512
mci: setting clock 194000 Hz, block size 512
mci: setting clock 194000 Hz, block size 512
mci: setting clock 194000 Hz, block size 512
mci: setting clock 24832000 Hz, block size 512
Device: mci
Manufacturer ID: 89
OEM: 303
Name: NCard
Tran Speed: 25000000
Rd Block Len: 512
SD version 2.0
High Capacity: No
Capacity: 2006974464
Bus Width: 4-bit

with relocation:

mmci
mci: setting clock 0 Hz, block size 512
mci: setting clock 0 Hz, block size 512
mci: setting clock 0 Hz, block size 512
mci: setting clock 0 Hz, block size 512
mci: setting clock 0 Hz, block size 512
Device: mci
Manufacturer ID: 89
OEM: 303
Name: NCard
Tran Speed: 25000000
Rd Block Len: 512
SD version 2.0
High Capacity: No
Capacity: 2006974464
Bus Width: 4-bit

Do I understand right what the required changes are:

1. change dram_init
2. make sure TEXT_BASE is correct as to where u-boot is loaded
by a preloader and is NOT pointing near top of RAM.
3. I do not have a board specific .lds - should I now have one?

Reinhard





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