Sascha Silbe <t-ub...@infra-silbe.de> writes:

> I've started a git bisect run (booting via USB OTG), but it's going to
> take a while as git bisect is throwing lots of commits without Wandboard
> Quad support at me and seems to be only narrowing down the commits one
> by one rather than on a log-2 basis.

A slightly more refined approach (cherry-picking the Wandboard Quad
support patch each time the build fails) enabled git bisect to track the
breakage down to:

commit de1d786edf01035f60a87e1e0f917a4169dc6964
Author: Charles Coldwell <coldw...@gmail.com>
Date:   Thu Feb 21 08:25:52 2013 -0500

    add support for Xilinx 1000BASE-X phy (GTX)
    
    commit 39695029bc15041c809df3db4ba19bd729c447fa
    Author: Charles Coldwell <coldw...@ll.mit.edu>
    Date:   Tue Feb 19 08:27:33 2013 -0500
    
        Changes to support the Xilinx 1000BASE-X phy (GTX/MGT)
    
    Signed-off-by: Charles Coldwell <coldw...@ll.mit.edu>

:040000 040000 459dbd37eb25461cc71d6e59b91a4b4994dca297 
ee62742c09ab981c458ee61a1c827ee6baefb08b M      drivers
:040000 040000 f8ebebe7282a5a69ed50b1f4ed687f8e8fc6a9ce 
ffd40f9c2a640f9aa74bbef92fc4a3e2925b04e0 M      include


Reverting the commit fixes ethernet support on Wandboard Quad.

Charles, do you have any idea why your commit breaks ethernet support on
Wandboard Quad? This is what I'm seeing:

U-Boot 2013.07-rc3-00021-g576aacd (Jul 18 2013 - 08:34:32)                      
                                                                                
                         

CPU:   Freescale i.MX6Q rev1.2 at 792 MHz                                       
                                                                                
                         
Reset cause: POR                                                                
                                                                                
                         
Board: Wandboard                                                                
                                                                                
                         
DRAM:  2 GiB                                                                    
                                                                                
                         
MMC:   FSL_SDHC: 0, FSL_SDHC: 1                                                 
                                                                                
                         
*** Warning - bad CRC, using default environment                                
                                                                                
                         

In:    serial                                                                   
                                                                                
                         
Out:   serial                                                                   
                                                                                
                         
Err:   serial                                                                   
                                                                                
                         
Net:   FEC [PRIME]                                                              
                                                                                
                         
Warning: FEC using MAC address from net device                                  
                                                                                
                         

Hit any key to stop autoboot:  0                                                
                                                                                
                         
=> setenv autoload no && dhcp && tftp ${fdt_addr} 
/wandboard/imx6q-wandboard.dtb && fdt addr ${fdt_addr} && tftpboot ${loadaddr}
/wandboard/zImage && setenv bootargs console=${console},
${baudrate} rootwait && bootz ${loadaddr} - ${fdt_addr}                         
                                                                                
                         
BOOTP broadcast 1                                                               
                                                                                
                         
BOOTP broadcast 2                                                               
                                                                                
                         
BOOTP broadcast 3                                                               
                                                                                
                         
BOOTP broadcast 4                                                               
                                                                                
                         
BOOTP broadcast 5                                                               
                                                                                
                         

Retry count exceeded; starting again                                            
                                                                                
                         
[...]

Sascha

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