Hi, thanks for the answer, they do have different u-boot. I know that in the A5C, for example, the cache is disabled in the u-boot by default, and in the rev C is enabled, and i can see different versions of them. Is there a u-boot that works the same for both boards?
*This is from rev A5C:* U-Boot SPL 2013.04-dirty (Jul 10 2013 - 14:02:53) musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 OMAP SD/MMC: 0 mmc_send_cmd : timeout: No status update reading u-boot.img reading u-boot.img U-Boot 2013.04-dirty (Jul 10 2013 - 14:02:53) I2C: ready DRAM: 512 MiB WARNING: Caches not enabled NAND: No NAND device found!!! 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 *** Warning - readenv() failed, using default environment musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 Net: <ethaddr> not set. Validating first E-fuse MAC cpsw, usb_ether Hit any key to stop autoboot: 0 gpio: pin 53 (gpio 53) value is 1 mmc0 is current device micro SD card found mmc0 is current device gpio: pin 54 (gpio 54) value is 1 SD/MMC found on device 0 reading uEnv.txt 99 bytes read in 3 ms (32.2 KiB/s) Loaded environment from uEnv.txt Importing environment from mmc ... Running uenvcmd ... reading rtems-app.img *This is from rev C:* U-Boot SPL 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54) reading args spl_load_image_fat_os: error reading image args, err - -1 reading u-boot.img reading u-boot.img U-Boot 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54) I2C: ready DRAM: 512 MiB NAND: 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 *** Warning - readenv() failed, using default environment Net: <ethaddr> not set. Validating first E-fuse MAC cpsw, usb_ether Hit any key to stop autoboot: 0 gpio: pin 53 (gpio 53) value is 1 mmc0 is current device gpio: pin 54 (gpio 54) value is 1 SD/MMC found on device 0 reading uEnv.txt 99 bytes read in 4 ms (23.4 KiB/s) gpio: pin 55 (gpio 55) value is 1 Loaded environment from uEnv.txt Importing environment from mmc ... Checking if uenvcmd is set ... gpio: pin 56 (gpio 56) value is 1 Running uenvcmd ... reading rtems-app.img On Fri, Sep 18, 2015 at 10:48 AM, Robert Nelson <[email protected]> wrote: > > > On Fri, Sep 18, 2015 at 7:27 AM, Marcos Díaz < > [email protected]> wrote: > >> Hi, we were developing a port for the BeagleBoneBlack in RTEMS, and we >> wanted to use the ethernet driver with LWIP stack. >> >> After some work, we could make it work. I use U-boot to boot rtems, using >> an sd card. >> >> The problem was that, if we use the ethernet driver with the cache >> enabled, after a little while the program freezes. We didn't have a >> debugger, so we used as a workaround disabling the cache. >> >> After some time, i could get some rev C boards, and to my surprise, the >> program worked perfectly OK with cache and ethernet. >> >> Currently I have only two types of boards: >> a Rev C that works fine. >> a Rev A5C that doesn't work. >> > > Are you 100% sure they are booting the same.. One might have a different > version of u-boot in the eMMC.. > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- ______________________________ <http://www.tallertechnologies.com> Marcos Díaz Software Engineer San Lorenzo 47, 3rd Floor, Office 5 Córdoba, Argentina Phone: +54 351 4217888 / +54 351 4218211/ +54 351 7617452 Skype: markdiaz22 -- 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.
