> > *Seems that you're using a different compiler, and not using starterware ? > Have a look at the pdf.*
Just to clarify a little. The gcc-arm-none-eab compiler is meant for bare metal development. Where the arm-linux-gnueabi compiler is meant for linux development, using the soft float ABI. As an added note. The arm-linux-gnueabihf compiler is typically what is used to cross compile for the latest debian images. hard foat . . . On Sat, Jul 11, 2015 at 9:43 AM, William Hermans <[email protected]> wrote: > Heya, > > I have no hands on, and the last I read on the subject was well over a > year ago. However, I did a search, and found a pdf document on the subject, > and notice some inconsistencies between the steps you've taken, and the > step the person who wrote the PDF. > http://www.cs.sfu.ca/CourseCentral/433/bfraser/other/BareMetalGuide.pdf > > Seems that you're using a different compiler, and not using starterware ? > Have a look at the pdf. > > On Sat, Jul 11, 2015 at 4:29 AM, <[email protected]> wrote: > >> Hi Forum >> >> I am trying to use U-Boot and TFTP on my BBB to run a U-Boot standalone >> program (examples/standalone/hello_world.bin). >> >> I download the lastest u-boot and cross compiled it on a ubuntu x86 PC. >> wget ftp://ftp.denx.de/pub/u-boot/u-boot-latest.tar.bz2 >> cd u-boot-2015.04/ >> tar -xjf u-boot-latest.tar.bz2 >> cd u-boot-2015.04/ >> make sandbox_defconfig tools-only >> sudo install tools/mkimage /usr/local/bin >> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- am335x_boneblack_defconfig >> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- >> >> I copied the produced MLO and u-boot.img to SDCARD and booted my BBB >> black and wrote them to the eMMC using. >> export DISK=/dev/mmcblk1 >> sudo dd if=/dev/zero of=${DISK} bs=1M count=16 >> sudo dd if=./MLO of=${DISK} count=1 seek=1 bs=128k >> sudo dd if=./u-boot.img of=${DISK} count=2 seek=1 bs=384k >> >> I copied the cross compiled helloworld.bin to a TFTP server (tftpd-hpa). >> >> After booting the BBB I enter the following commands >> U-Boot# setenv autoload no >> U-Boot# dhcp >> DHCP client bound to address 192.168.0.62 (1005 ms) >> U-Boot# setenv serverip 192.168.0.86 >> U-Boot# setenv bootfile hello_world.bin >> U-Boot# bootp >> link up on port 0, speed 100, full duplex >> BOOTP broadcast 1 >> DHCP client bound to address 192.168.0.62 (1005 ms) >> U-Boot# tftp 0x80200000 >> link up on port 0, speed 100, full duplex >> Using cpsw device >> TFTP from server 192.168.0.86; our IP address is 192.168.0.62 >> Filename 'hello_world.bin'. >> Load address: 0x80200000 >> Loading: # >> 119.1 KiB/s >> done >> Bytes transferred = 610 (262 hex) >> U-Boot# setenv bootargs console=ttyO0,115200n8 >> U-Boot# go 0x80200000 >> ## Starting application at 0x80200000 ... >> >> Then I just get garbage on my screen. Not the text that I expect from >> the standalone program. >> >> Could some one point me to towards what I have done worng. >> >> Cheers >> >> Joshua >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
