> On Dec 12, 2011, at 10:37 AM, Marek Vasut wrote: > >> On Dec 12, 2011, at 10:13 AM, Marek Vasut wrote: > >> What exactly do you want to do ? > > > > Port u-boot to the device. > > I'm sorry to hear that. We have no interest in running u-boot > on our hardware.
I have no interest in running OFW ... anyway, it boils down for me to use a soldering iron. Ok, no problem then. > > Open Firmware isn't just boot firmware. It is involved > in the entire life cycle of the laptop. The firmware shipped on > the laptop is used in the factory to test the bare motherboards, > and also for functional tests of the assembled laptops. Once > delivered to users, OFW both a quick way for users to check > the hardware functionality and tools for repair shops to diagnose > problems. OFW also supports mass reflashing of laptops > via WiFi multicast. > > Type "menu" at the OFW prompt to see some of the diagnostics > for the current stage of your laptop's life. I already was there, and explored it's possibilities, yes. > > >> In general, we use Open Firmware to completely re-install the OS onto > >> the laptop (as in "I just hosed the kernel on the eMMC and it refuses > >> to boot.) > > > > Exactly, I'd prefer to replace the software from bottom up. > > Learn about Open Firmware. It has GREATLY increased my productivity > as a hardware debugger, and as mentioned earlier, is integrated into the > entire life cycle, not just booting an OS. > > >> You can copy a new kernel into the boot directory in the boot partition > >> using Open Firmware, although it is much easier to do this from Linux. > > > > It's not about kernel, I like to do lowlevel stuff. > > Then you will love OFW. And it is all open source. You can see the > current OFW source running on your laptop at: > http://code.coreboot.org/p/openfirmware/source/tree/HEAD/ TBH I saw it and being one of the uboot custodians and not really gone to like forth, I can't share your enthusiasm. It's definitelly interesting approach, not just my cup of tea. Sorry about that. > > > Also, if I was able to debug > > the thing via OpenOCD, that'd be cool. I added PXA3xx support to OpenOCD, > > I see no reason why I won't be able to support A610. > > Supporting OpenOCD on the 1.75 might get you that JTAG interface dongle. > Do you already have the Marvell JTAG "black box" ? Blackstone II? The LPT one, yes. > Or if you use your own JTAG interface device, the JTAG pinouts on XO-1.75 > are documented at: http://wiki.laptop.org/go/XO_1.75_B1#Documentation I saw that one, but you just need to attach that foil cable there ... making one is just bothersome. Cheers! M _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
