Hi Alec, thanks for the offering, but yesterday I did manage to make exactly what you told. Thank you anyways! ps: I dont think the macro is dumb, as usual the user who run its (me) without knowing the consecuences is the dumbest haha.
El mié., 16 sept. 2020 a las 7:55, Alec Rust (<[email protected]>) escribió: > Once that is set up it's easy to set uboot to netboot as well, I can > help with that. Just for interest what happened was that by running > tftpuboot, a macro was run that expects the uboot image to be served > via tftp. The macro is pretty dumb, so if the file is not there it > erases the flash anyway. But if you set up as per the instructions all > of this is pretty straightforward to fix. > > On Wed, Sep 16, 2020 at 12:47 PM Alec Rust <[email protected]> wrote: > > > > Hi Sebastian, I actually dusted off our old ROACH2 test machine > > yesterday and did exactly this. To be honest the easiest will be to > > set up a "roach2 test machine" as per attached instructions and then > > you just use the menu option to load uboot. This will load the uboot > > via xmodem over the ftdi USB link and you should be good to go. After > > that you should update the uboot to the latest 2015 version. > > > > Have a look through the document and then we can have a quick zoom > > session to iron out any issues? > > > > Here is the doc: > > > https://drive.google.com/file/d/0BzImdYPNWrAkMjJhaXlsazhYMUE/view?usp=sharing > > > > Regards > > Alec > > > > On Sat, Sep 12, 2020 at 11:08 PM Sebastian Antonio Jorquera Tapia > > <[email protected]> wrote: > > > > > > > > > Hi Casperiters, > > > When I was playing trying to make a netbooting with the ROACH2 and I > issue the command: "run tftpuboot" and making the story short I ended up > with no uboot :( > > > > > > Luckily I have access to one xilinx jtag so I was thinking in > connecting via xmd to the ppc and send the uboot with the command dow. > > > The jtag found 10 devices where one is the Virtex, other one is the > Coolrunner and 8 unknown devices. I think the ppc Is none of those unknown > devices, because the IR length is zero. > > > So now I have some doubts to how to proceed: > > > > > > 1) Looking at the roach2 diagram, the coolrunner is connected in > certain fashion with the ppc. Could I load the uboot using as target the > coolrunner? > > > > > > 2) Reading the roach1 bringup memo in the old wiki, it says that one > way to upload the uboot is to use a Macraigor usbWiggler to set the ppc > program counter in a specific location in order to open a xmodem. The > roach2 works in the same way? Also, do I need that specific jtag or the > Xilinx one could do the job? > > > > https://casper.ssl.berkeley.edu/wiki/ROACH_Bringup#PowerPC_U-Boot_Configuration > > > > > > Here are the possible targets that jtag found: > > > > > > JTAG chain configuration > > > -------------------------------------------------- > > > Device ID Code IR Length Part Name > > > 1 0440f1e1 0 unknown > > > 2 84288093 10 XC6VSX475T > > > 3 16d4a093 8 XC2C256 > > > 4 1a464069 0 unknown > > > 5 1a464069 0 unknown > > > 6 1a464069 0 unknown > > > 7 1a464069 0 unknown > > > 8 000003d3 0 unknown > > > 9 000003d3 0 unknown > > > 10 18006197 0 unknown > > > 11 18006197 0 unknown > > > > > > > > > > > > > > > > > > > > > -- > > > You received this message because you are subscribed to the Google > Groups "[email protected]" group. > > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/134f9f9b-7141-44a6-9316-49e83dd8050fn%40lists.berkeley.edu > . > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAAkZC3iKG-rhD9DXg30606H3DbEWBbw6ELz7cTkuyuLCHrmmxw%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAASoV%3DONyO5VY6cquDBbG%2Bms5T%2BcNp3aHAMkxbtWBH8GtXUYiA%40mail.gmail.com.
