Re: [maemo-developers] speeding up MMC (with success)

2006-10-06 Thread Ralph Giles
On Sat, Sep 30, 2006 at 10:28:50PM +0200, Frantisek Dufka wrote: > you can test card speed like this > Nokia770-26:~# time dd if=/dev/mmcblk0 of=/dev/null bs=8192 count=10240 Thanks for your excellent work on this. I tried the timing above with the zImage-su-18-200625-2gb-mmcplus52Mhz kernel: 6

Re: USB 2.0 Re: [maemo-developers] speeding up MMC (with success)

2006-10-02 Thread Frantisek Dufka
Koen Kooi wrote: > And by the looks of it the omap1710 as well :( Yes, found it - drivers/usb/gadget/omap_udc.c * omap_udc.c -- for OMAP full speed udc; most chips support OTG. No word about high speed. Looks like high speed UDC is rare thing. Found only this http://lists-archives.org/linux-u

Re: USB 2.0 Re: [maemo-developers] speeding up MMC (with success)

2006-10-02 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Koen Kooi schreef: > Frantisek Dufka schreef: >> Koen Kooi wrote: >>> Frantisek Dufka schreef: Yet when usb cable is inserted kernel says something about full speed config. Unfortunately full speed is 12Mbps USB 1.1 speed. USB 2.0 is cal

Re: USB 2.0 Re: [maemo-developers] speeding up MMC (with success)

2006-10-02 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frantisek Dufka schreef: > Koen Kooi wrote: >> Frantisek Dufka schreef: >> >Yet when usb cable is >>> inserted kernel says something about full speed config. Unfortunately >>> full speed is 12Mbps USB 1.1 speed. USB 2.0 is called high speed. >> >> usb

USB 2.0 Re: [maemo-developers] speeding up MMC (with success)

2006-10-02 Thread Frantisek Dufka
Koen Kooi wrote: Frantisek Dufka schreef: >Yet when usb cable is inserted kernel says something about full speed config. Unfortunately full speed is 12Mbps USB 1.1 speed. USB 2.0 is called high speed. usb 2.0 high speed = 12Mbps usb 2.0 full speed = 480MBps welcome to usb marketing speak :(

Re: [maemo-developers] speeding up MMC (with success)

2006-10-01 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frantisek Dufka schreef: > Yes, unfortunately current USB mass storage functionality seems to use > only USB 1 speed so transfer over USB still has ~800KB/s limit. I wonder > why USB 2.0 is not used. It is mentioned in N770 specs > http://europe.nokia

Re: [maemo-developers] speeding up MMC (with success)

2006-10-01 Thread Frantisek Dufka
Sascha Heid wrote: Hi! I tried your kernel with my 1GB extremetech and 2GB Kingston. No problems so far and twice the speed (will try 4x later today). Sounds good :-) this will certainly become of even greater value when we will be able to use the mmc as root :-) Yes, unfortunately current

Re: [maemo-developers] speeding up MMC (with success)

2006-10-01 Thread Sascha Heid
Hi! I tried your kernel with my 1GB extremetech and 2GB Kingston. No problems so far and twice the speed (will try 4x later today). Thanks for this free and very much needed hardware-upgrade, this will certainly become of even greater value when we will be able to use the mmc as root :-) Regards

Re: [maemo-developers] speeding up MMC (with success)

2006-10-01 Thread Armin Warda
On 9/30/06, Frantisek Dufka <[EMAIL PROTECTED]> wrote: If anyone wants to test kernel with those changes it is herehttp:// fanoush.webpark.cz/maemo/zimage-su-18-200625-2gb-mmcplus26mhz.zip I tested this kernel with my 512MB MMC, and with the original Nokia 64MB MMC. Both MMCs work fine with your ke

[maemo-developers] speeding up MMC (with success)

2006-09-30 Thread Frantisek Dufka
Hello, recently I bought 2GB Kingston MMCmobile card and was a bit frustrated by N770 mmc slot speed. Basically any card inserted into N770 has speed ~1.3MB/s. I digged a bit in kernel sources and googled for MMC specs and discovered this: - maximum legacy MMC bus clock speed is 20Mhz - MMC