[U-Boot] Newbie SPL question for socfpga_sockit

[George Broz]

On 18 March 2016 at 12:32, Marek Vasut <marex at denx.de> wrote:
> On 03/18/2016 07:59 PM, George Broz wrote:
>> On 16 March 2016 at 18:35, Marek Vasut <marex at denx.de> wrote:
>>> On 03/16/2016 05:17 PM, George Broz wrote:
>>>> On 15 March 2016 at 18:29, George Broz <brozgeo at gmail.com> wrote:
>>>>
>>>>>
>>>>> Hello again -
>>>>>
>>>>> So under the assumption my SoCKit h/w was broken, I bought a new board.
>>>>> They are back ordered on SoCKit boards, so I got a DE0-Nano-SoC instead.
>>>>>
>>>>> I build the v2016.03 (release) version of u-boot-with-spl.sfp.
>>>>>
>>>>> I power-up the (brand new) board and get:
>>>>>
>>>>> U-Boot SPL 2016.03 (Mar 15 2016 - 14:52:42)
>>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>>> drivers/ddr/altera/sequencer.c: CALIBRATION FAILED
>>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>>> SDRAM calibration failed.
>>>>> ### ERROR ### Please RESET the board ###
>>>>>
>>>>> U-Boot SPL 2016.03 (Mar 15 2016 - 14:52:42)
>>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>>> drivers/ddr/altera/sequencer.c: CALIBRATION FAILED
>>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>>> SDRAM calibration failed.
>>>>> ### ERROR ### Please RESET the board ###
>>>>>
>>>>> U-Boot SPL 2016.03 (Mar 15 2016 - 14:52:42)
>>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>>> drivers/ddr/altera/sequencer.c: CALIBRATION PASSED
>>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>>> Trying to boot from MMC
>>>>>
>>>>> U-Boot 2016.03 (Mar 15 2016 - 14:52:42 -0700)
>>>>>
>>>>> CPU:   Altera SoCFPGA Platform
>>>>> FPGA:  Altera Cyclone V, SE/A4 or SX/C4, version 0x0
>>>>> BOOT:  SD/MMC Internal Transceiver (3.0V)
>>>>>        Watchdog enabled
>>>>> I2C:   ready
>>>>> DRAM:  1 GiB
>>>>> MMC:   dwmmc0 at ff704000: 0
>>>>> In:    serial
>>>>> Out:   serial
>>>>> Err:   serial
>>>>> Model: Terasic DE0-Nano(Atlas)
>>>>> Net:
>>>>> Error: ethernet at ff702000 address not set.
>>>>> No ethernet found.
>>>>> Hit any key to stop autoboot:  0
>>>>> =>
>>>>>
>>>>> And this is a good case... usually it doesn't succeed after the fourth try
>>>>> and I have to cycle power 4 or 5 times before I get lucky.
>>>>>
>>>>> If I do get lucky and then try to see a USB storage device, then I get:
>>>>>
>>>>> =>
>>>>> => usb start
>>>>> starting USB...
>>>>> USB0:   Core Release: 2.93a
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> dwc_otg_core_host_init: Timeout!
>>>>> scanning bus 0 for devices... 1 USB Device(s) found
>>>>> =>
>>>>>
>>>>> (Every time)
>>>>>
>>>>> The version of u-boot SPL that ships with the board:
>>>>> U-Boot SPL 2013.01.01 (Dec 29 2014 - 15:29:15)
>>>>>
>>>>> boots every time and has limited USB capability as
>>>>> it can see some USB sticks, but not others.
>>>>>
>>>>>
>>>>> Anyway - brand new board - same old symptoms.
>>>>>
>>>>> Is it perhaps a toolchain problem?? I'm using:
>>>>>
>>>>> Thread model: posix
>>>>> gcc version 4.9.3 20141031 (prerelease) (Linaro GCC 4.9-2014.11)
>>>>>
>>>>> COLLECT_GCC=arm-poky-linux-gnueabi-gcc
>>>>> COLLECT_LTO_WRAPPER=/opt/poky/1.7.1/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/4.9.3/lto-wrapper
>>>>> < snip >
>>>>>
>>>>> Any advice greatly appreciated.
>>>>>
>>>>>
>>>>> Regards,
>>>>> --George Broz
>>>>
>>>> Rebuilt using the Altera EDS15.0 toolchain:
>>>>
>>>>   arm-altera-eabi-gcc --version
>>>>   arm-altera-eabi-gcc (Sourcery CodeBench Lite 2014.11-13) 4.9.1
>>>>   Copyright (C) 2014 Free Software Foundation, Inc.
>>>>   This is free software; see the source for copying conditions.  There is NO
>>>>   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>>>>
>>>>
>>>> Get same result ... mostly failing calibration, non-working USB....
>>>>
>>>> U-Boot SPL 2016.03 (Mar 16 2016 - 08:27:20)
>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>> drivers/ddr/altera/sequencer.c: CALIBRATION FAILED
>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>> SDRAM calibration failed.
>>>> ### ERROR ### Please RESET the board ###
>>>>
>>>> U-Boot SPL 2016.03 (Mar 16 2016 - 08:27:20)
>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>> drivers/ddr/altera/sequencer.c: CALIBRATION FAILED
>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>> SDRAM calibration failed.
>>>> ### ERROR ### Please RESET the board ###
>>>>
>>>> U-Boot SPL 2016.03 (Mar 16 2016 - 08:27:20)
>>>> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
>>>> drivers/ddr/altera/sequencer.c: CALIBRATION PASSED
>>>> drivers/ddr/altera/sequencer.c: Calibration complete
>>>> Trying to boot from MMC
>>>>
>>>>
>>>> U-Boot 2016.03 (Mar 16 2016 - 08:27:20 -0700)
>>>>
>>>> Does this work for anybody else?
>>>> Is it in anyone's experience that these (cheaper) Terasic
>>>> eval boards are generally out of spec?
>>>>
>>>> Is there a way to relax the calibration parameters? the USB parameters?
>>>>
>>>> Would it help if I posted debug output?
>>>
>>> Sorry for the late reply, I am horribly overloaded now. I asked someone
>>> in #u-boot who has the DE0-NANO-SOC board to test latest u-boot/master
>>> on it and it apparently worked for him. I should get some more feedback
>>> in the morning [ see http://pastebin.com/CM1QJGnh ] .
>>>
>>> Still, this is getting real creepy. You are the second person who is
>>> complaining about misbehavior of terasic boards with mainline u-boot
>>> and whatever I do, I cannot replicate this.
>>>
>>> I am at least CCing the Altera guys. Sorry I have no better suggestion
>>> for you :(
>>>
>>> Best regards,
>>> Marek Vasut
>>
>>
>> Hi Marek,
>>
>> I've got a third board coming to me in the mail (another
>> DE0-NANO-SOC). I'll post
>> how that goes.If it fails, maybe I'll send it to you...
>>
>> I've also sent Terasic an email.
>>
>> One question - after you (your collegue's) SoCKit (Nano) get past memory
>> calibration, does USB work (i.e. does the u-boot USB subsystem recognize mass
>> storage devices)?
>>
>> I'm beginning to look for solutions that don't involve rebuilding the
>> SPL or using USB.
>
> Try "dcache off" before "usb reset", I had trouble with usb in recent
> versions due to cache problems. If this works, I am happy to give you
> a workaround, but I would also love a real solution ... which I do not
> have for 3+ months now :'-(
>
> Best regards,
> Marek Vasut

Thanks, but nope - same story:
=> dcache off
=> dcache
Data (writethrough) Cache is OFF
=> usb reset
resetting USB...
USB0:   Core Release: 0.000
SNPSID invalid (not DWC2 OTG device): 00000000
Port not available.
USB1:   Core Release: 2.93a
dwc_otg_core_host_init: Timeout!
dwc_otg_core_host_init: Timeout!
dwc_otg_core_host_init: Timeout!
dwc_otg_core_host_init: Timeout! ...
:
:


Best regards,
--George Broz