[meta-ti] [RFC][PATCH] u-boot 2011.10rc: add patch to speed up ext2load

[Koen Kooi]

Op 1 apr. 2012, om 14:36 heeft Koen Kooi het volgende geschreven:

> 
> Op 30 mrt. 2012, om 19:04 heeft Koen Kooi het volgende geschreven:
> 
>> Signed-off-by: Koen Kooi <koen at dominion.thruhere.net>
>> ---
>> 
>> Please test this patch on your am335x boards, I need to run out and buy a mini usb cable because I misplaced mine during traveling this week. 
>> 
>> Untested, but I wanted to get it out before the weekend.
> 
> Something funny is going on:
> 
> U-Boot# mw 0x80007fc0  ffffffff 9999
> U-Boot# md 0x80007fc0 
> 80007fc0: ffffffff ffffffff ffffffff ffffffff    ................
> 80007fd0: ffffffff ffffffff ffffffff ffffffff    ................
> 80007fe0: ffffffff ffffffff ffffffff ffffffff    ................
> 80007ff0: ffffffff ffffffff ffffffff ffffffff    ................
> 80008000: ffffffff ffffffff ffffffff ffffffff    ................
> 80008010: ffffffff ffffffff ffffffff ffffffff    ................
> 80008020: ffffffff ffffffff ffffffff ffffffff    ................
> 80008030: ffffffff ffffffff ffffffff ffffffff    ................
> 80008040: ffffffff ffffffff ffffffff ffffffff    ................
> 80008050: ffffffff ffffffff ffffffff ffffffff    ................
> 80008060: ffffffff ffffffff ffffffff ffffffff    ................
> 80008070: ffffffff ffffffff ffffffff ffffffff    ................
> 80008080: ffffffff ffffffff ffffffff ffffffff    ................
> 80008090: ffffffff ffffffff ffffffff ffffffff    ................
> 800080a0: ffffffff ffffffff ffffffff ffffffff    ................
> 800080b0: ffffffff ffffffff ffffffff ffffffff    ................
> 
> U-Boot# ext2ls mmc 0:2 /boot
> <DIR>       1024 .
> <DIR>       1024 ..
>         3135840 uImage-3.2.0+
> <SYM>         14 uImage
>              33 uEnv.txt
>         3140088 uImage-3.2.9+
>         3140296 uImage-3.2.11+
> U-Boot# 
> 
> U-Boot# run mmc_load_uimage_ext2
> Loading file "/boot/uImage" from mmc device 0:2 (xxa2)
> 3140296 bytes read
> 
> U-Boot# md 0x80007fc0 
> 80007fc0: 00000000 00000400 00000000 00000000    ................
> 80007fd0: 00000000 00000000 00000000 00000000    ................
> 80007fe0: 00000000 00000000 00000000 00000000    ................
> 80007ff0: 00000000 00000000 00000000 00000000    ................
> 80008000: 00000000 00000000 00000000 00000000    ................
> 80008010: 00000000 00000000 00000000 00000000    ................
> 80008020: 00000000 00000000 00000000 00000000    ................
> 80008030: 00000000 00000000 00000000 00000000    ................
> 80008040: 00000000 00000000 00000000 00000000    ................
> 80008050: 00000000 00000000 00000000 00000000    ................
> 80008060: 00000000 00000000 00000000 00000000    ................
> 80008070: 00000000 00000000 00000000 00000000    ................
> 80008080: 00000000 00000000 00000000 00000000    ................
> 80008090: 00000000 00000000 00000000 00000000    ................
> 800080a0: 00000000 00000000 00000000 00000000    ................
> 800080b0: 00000000 00000000 00000000 00000000    ................
> U-Boot# 
> 
> So it only loads zeroes into RAM :(

It does that with or without the speedup patch, so something else is going on.

regards,

Koen