Hi Jason, I tried a 1 GB USB drive in ext3. it works. don't need to resort to the "usb start" yet. Thanks.
Chao-Te -- Open WebMail Project (http://openwebmail.org) ---------- Original Message ----------- From: Jason Manley <[email protected]> To: Chao-Te Li <[email protected]>, Homin Jiang <[email protected]> Cc: [email protected], [email protected], [email protected], Alec Rust <[email protected]> Sent: Wed, 17 Jun 2009 07:57:30 -0700 Subject: Re: [casper] picky USB > Hi Chao-Te and Homin > > These are two different problems. In the first case, the USB > subsystem was not initialising properly. Please see Alec's response > below. In the second case, it was complaining that it could not > mount the first partition. I must apologise for the confusion > regarding this second error. The wiki still reports the old method > of mounting a loopback filesystem, but the new U-Boot expects a > native ext2/3 partition on the flash drive. I sent an email to the > mailing list with details on May 25th, but hadn't updated the wiki > yet. I'm hoping you have a Linux machine available and are familiar > with creating partitions and formatting disks. > > Alec asked me to forward his reply to the list in answer to the > problems you had in the first case... > > Jason > > On 17 Jun 2009, at 04:24, Alec Rust wrote: > > > Hi Chao-Te, > > > > We have noticed this problem an are working on it. There is a > > workaround though. > > > > When uboot boots interrupt the autoboot sequence and type "usb > > start" at the prompt. This initializes the USB and subsequent USB > > operations in Linux will work. Please use this method until we have > > figured out why it does not initialize properly in Linux. > > > > Regards > > Alec > > > > > > Chao-Te Li wrote: > >> > >> Hi Jason, > >> > >> I adjusted the switch. however, I don't have any luck > >> with the usb drives. I tried 2 1G usb drives with the > >> file roach in them. the error messages are different, > >> as attached. please have a look. > >> > >> Chao-Te > >> > >> > >> > >> > >> -- > >> Open WebMail Project (http://openwebmail.org) > >> > >> > >> ---------- Original Message ----------- > >> From: Homin Jiang <[email protected]> > >> To: Jason Manley <[email protected]> > >> Cc: Chao-Te Li <[email protected]>, [email protected], > >> [email protected], [email protected] > >> Sent: Wed, 17 Jun 2009 14:38:46 +0800 > >> Subject: picky USB > >> > >> > >>> Hi Jason: > >>> > >>> We have succeeded installation of Debain linux in the ROACH boards > >>> following your instruction with adding few command lines in the loop > >>> back file system to bring up the ethernet. > >>> > >>> One question is there specification for the USB stick ? I have tried > >>> couple of them, only one 1 Gb USB barely works. > >>> > >>> cheers > >>> homin > >>> > >>> Jason Manley wrote: > >>> > >>>> Hi Chao-Te > >>>> > >>>> The version of U-Boot you are running is correct, but the new bus > >>>> speeds > >>>> have not taken effect. If you are happy with it like this, then > >>>> it is > >>>> not detrimental, but you can improve PPC-FPGA communication speed. > >>>> > >>>> I think Mo shipped the first ROACH boards with the config DIP > >>>> SW3.1 in > >>>> the "on" position, thereby overriding the PPC's bootstrap options > >>>> into > >>>> configuration C. We want configuration H (all switches off, flag in > >>>> Actel set), which instructs the PPC to retrieve its configuration > >>>> data > >>>> from an onboard I2C EEPROM. > >>>> > >>>> When you updated, one of the steps was to run the "init_eeprom" > >>>> macro in > >>>> U-Boot. This updated the EEPROM with the new speeds. In order to > >>>> use > >>>> them, make sure that all DIP switches are set to "off" and hard- > >>>> power > >>>> cycle the board. > >>>> > >>>> You should see: > >>>> > >>>> CPU: AMCC PowerPC 440EPx Rev. A at 495 MHz (PLB=165, OPB=82, > >>>> EBC=82 > >>>> > >> MHz) > >> > >>>> No Security/Kasumi support > >>>> Bootstrap Option H - Boot ROM Location I2C (Addr 0x52) > >>>> 32 kB I-Cache 32 kB D-Cache > >>>> Board: Roach > >>>> I2C: ready > >>>> DTT: 1 is 31 C > >>>> DRAM: (spd v1.0) 512 MB > >>>> FLASH: 64 MB > >>>> USB: Host(int phy) Device(ext phy) > >>>> Net: ppc_4xx_eth0 > >>>> > >>>> Roach Information > >>>> Serial Number: 020139 > >>>> Monitor Revision: 6.5.1429 > >>>> CPLD Revision: 2.0.5 > >>>> > >>>> > >>>> If it still comes up in Bootstrap option C, check the flag in the > >>>> Actel > >>>> (0xFFFF). You can use this program for querying it: > >>>> > >>>> > >> http://casper.berkeley.edu/svn/trunk/roach/sw/roach_monitor/roach_monitor.py > >> > >>>> > >>> -- > >>> Regards, > >>> Homin Jiang(¦¿§»©ú) > >>> > >> ------- End of Original Message ------- > >> > >> > > ------- End of Original Message -------
