Hi Ezequiel, On Tue, Nov 11, 2014 at 11:25:40AM -0300, Ezequiel Garcia wrote: > On 11/11/2014 06:06 AM, Uwe Kleine-König wrote: > >>> > >>> Do you have a command line for me? I used > >>> > >>> scripts/kwboot -b images/barebox-netgear-rn104-uart.img /dev/ttyUSB0 > >>> > >>> which took much longer than I expected (didn't time it, but I'd say in > >>> the several minutes range). And I didn't know what to do then. Ctrl-C > >>> and then connecting microcom was wrong. Adding -t to the command line > >>> above, too. > > Any hints on how kwboot is used? It loads the binary into RAM and runs > > it from there, right? I timed my above command and it took 38m28.225s > > for my image (341304 bytes). > > > > This is how I use kwboot: > > 1. Boot your board (with stock U-Boot and Linux) and extract the bootloader. > According to my notes, I just grabbed a couple megabytes: > > $ dd if=/dev/mtd0 of=/mtd0.dump bs=1M count=2 > > I guess you can grab the entire bootloader partition (if you have one). > > 2. Run kwbimage tool and dump the output to the appropriate board directory: > > $ ./scripts/kwbimage -x -i /srv/nfs/mtd0.dump -o arch/arm/boards/plathome-openblocks-ax3/ > > Fix the produced kwbimage.cfg to boot from UART (actually, I think it's not needed): > > diff --git a/arch/arm/boards/plathome-openblocks-ax3/kwbimage.cfg b/arch/arm/boards/plathome-openblocks-ax3/kwbimage.cfg > index 219c2ec..fd6c0df 100644 > --- a/arch/arm/boards/plathome-openblocks-ax3/kwbimage.cfg > +++ b/arch/arm/boards/plathome-openblocks-ax3/kwbimage.cfg > @@ -1,5 +1,5 @@ > VERSION 1 > -BOOT_FROM spi > +BOOT_FROM uart > DESTADDR 00600000 > EXECADDR 006b0000 > NAND_BLKSZ 00000000 My kwbimage looks similar: VERSION 1 BOOT_FROM nand DESTADDR 00600000 EXECADDR 006a0000 NAND_BLKSZ 00020000 NAND_BADBLK_LOCATION 01 BINARY arch/arm/boards/netgear-rn104/binary.0 0000005b 00000068 PAYLOAD ./payload The other kwbimage.cfg files don't have a "PAYLOAD" line though, but if I read the source correctly this shouldn't a problem. BTW, is this binary.0 expected to be located in the source or the build directory for oot-building? I would expect to provide it in the source tree, but it's not picked up from there. > 3. Make your barebox > > $ make > > 4. Run kwboot and have fun! > > $ ./scripts/kwboot -b images/barebox-plathome-openblocks-ax3.img -t -B 115200 /dev/ttyUSB0 With the patch I just sent, kwboot doesn't take 30+ minutes anymore, but dies when an error occurs. (Unfortunately this happens 100% reproducibly with two different USB-to-RS232 adapters.) Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
