[yocto] BBB doesn't boot

Denys Dmytriyenko denis at denix.org
Mon Apr 14 08:46:53 PDT 2014


On Mon, Apr 14, 2014 at 04:25:55AM -0600, Gary Thomas wrote:
> On 2014-04-13 20:33, Denys Dmytriyenko wrote:
> > On Sun, Apr 13, 2014 at 03:12:16AM -0600, Gary Thomas wrote:
> >> I just tried building (core-image-sato) for my BeagleBoneBlack
> >> using the latest Poky/Yocto master:
> >>
> >> Build Configuration:
> >> BB_VERSION        = "1.23.0"
> >> BUILD_SYS         = "i686-linux"
> >> NATIVELSBSTRING   = "Fedora-13"
> >> TARGET_SYS        = "arm-poky-linux-gnueabi"
> >> MACHINE           = "beaglebone"
> >> DISTRO            = "poky"
> >> DISTRO_VERSION    = "1.6+snapshot-20140411"
> >> TUNE_FEATURES     = "armv7a vfp neon callconvention-hard cortexa8"
> >> TARGET_FPU        = "vfp-neon"
> >> meta
> >> meta-yocto
> >> meta-yocto-bsp    = "master:863cc7483f5ee43189537940de8ee5c0964d24cc"
> >>
> >> This built the kernel using SRCREV 928d7b2dda
> >>
> >> I followed the bring-up instructions from README.hadware and the
> >> boot failed to even start the kernel.  Here's what I see:
> >>
> >> =============================== boot log =========================================
> >> U-Boot 2013.07 (Apr 11 2014 - 15:03:04)
> >>
> >> I2C:   ready
> >> DRAM:  512 MiB
> >> WARNING: Caches not enabled
> >> NAND:  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
> >> Phy not found
> >> PHY reset timed out
> >> cpsw, usb_ether
> >> Hit any key to stop autoboot:  0
> >> mmc0 is current device
> >> SD/MMC found on device 0
> >> reading uEnv.txt
> >> ** Unable to read file uEnv.txt **
> >> 4981688 bytes read in 613 ms (7.7 MiB/s)
> >> 29192 bytes read in 46 ms (619.1 KiB/s)
> >> Booting from mmc ...
> >> ## Booting kernel from Legacy Image at 80200000 ...
> >>    Image Name:   Linux-3.14.0-yocto-standard
> >>    Image Type:   ARM Linux Kernel Image (uncompressed)
> >>    Data Size:    4981624 Bytes = 4.8 MiB
> >>    Load Address: 80008000
> >>    Entry Point:  80008000
> >>    Verifying Checksum ... OK
> >> ## Flattened Device Tree blob at 80f80000
> >>    Booting using the fdt blob at 0x80f80000
> >>    Loading Kernel Image ... OK
> >>    Using Device Tree in place at 80f80000, end 80f8a207
> >>
> >> Starting kernel ...
> >> ==================================================================================
> >>
> >> Any ideas what I've done wrong?
> > 
> > Hmm, everything looks sane. What revision is your BBB? And did you press 
> > USER/BOOT button or erased eMMC partition per instructions?
> > 
> 
> Revision A5A, with an LCD cape

Hmm, I'm wondering if LCD cape conflicts here - there's no cape support in 
this BSP. Can you try w/o it?

As of the board revision - I was testing on different ones from A1 to A6 and 
didn't see any major issue...

-- 
Denys



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