Mounting/Accessing SD-Card on BBB
Nils Hölscher
nilhoel1 at gmail.com
Fri Aug 16 09:13:26 UTC 2019
Hi Christin,
Thanks for the hint.
But how can I alter the U- Boot on eMMC?
Problem is I have a Linux version with an U-Boot that disables emmc on the
emmc...
And I guess I cant flash emmc without SD.
Best,
Nils
On Fri, 16 Aug 2019 at 11:03, Christian Mauderer <list at c-mauderer.de> wrote:
> On 16/08/2019 10:55, Nils Hölscher wrote:
> > Hi,
> >
> > It seems the problem was hardware related.
> > My SD-Card connector just died.
> > I hope I can get a new BBB oin a timely manner.
> >
> > Best,
> > Nils
>
> Hello Nils,
>
> thanks for the information. That's annoying. Good luck finding a
> replacement.
>
> For a quick workaround: I haven't tried that yet but if your on-board
> eMMC is still intact, you might can use that U-Boot to boot from USB.
>
> Best regards
>
> Christian
>
> >
> > On Fri, 16 Aug 2019 at 10:48, Christian Mauderer <list at c-mauderer.de
> > <mailto:list at c-mauderer.de>> wrote:
> >
> > Hello Nils,
> >
> > thanks for the file list. I can't reproduce your problem with it.
> >
> > On 16/08/2019 10:01, Nils Hölscher wrote:
> > > Hi,
> > >
> > > Short update.
> > >
> > > It seems the device only hangs while I am connected with the
> debugger.
> >
> > Is that true for the original file system tree? You are debugging via
> > Ethernet, right? In that case I would lean more toward a problem with
> > the debugger support than the file system. Do you have enough file
> > descriptors configured?
> >
> > Best regards
> >
> > Christian
> >
> > > looks like a Heisenberg bug.
> > >
> > > Best,
> > > Nils
> > >
> > > On Fri, 16 Aug 2019 at 09:50, Nils Hölscher <nilhoel1 at gmail.com
> > <mailto:nilhoel1 at gmail.com>
> > > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>> wrote:
> > >
> > >
> > > On Thu, 15 Aug 2019 at 19:51, Christian Mauderer
> > <list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> wrote:
> > >
> > > Hello Nils,
> > >
> > > maybe another bug in our FAT file system...
> > >
> > > Please do three things:
> > >
> > > 1. Create an image of your current card (with dd or a
> similar
> > > tool). FAT
> > > bugs are sometimes hard to reproduce but it's really
> > urgent that
> > > we fix
> > > them. So maybe I'll ask for that image later.
> > >
> > > I did that.
> > > Let me know if you need the image.
> > >
> > > 2. Create a complete list of the files on your card (for
> > example the
> > > Linux `tree -h` command), post it here and tell me what you
> > > tried to open.
> > >
> > > .
> > > ├── [ 50K] am335x-boneblack.dtb
> > > ├── [ 49K] am335x-boneblack+pruss.dtb
> > > ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> > > ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> > > ├── [162K] Linux-with-UIO.dtb
> > > ├── [ 44] loob.bin
> > > ├── [108K] MLO
> > > ├── [2.1M] pru.exe.img
> > > ├── [ 12] test.bin
> > > ├── [471K] u-boot.img
> > > ├── [ 390] uEnvLinuxfdt.txt
> > > └── [ 560] uEnv.txt
> > >
> > > 3. Try another name / folder for the file you wanted to
> > open.\
> > >
> > > I moved the file in another folder and renamed it.
> > > It now works but I got en error, I am currently investigating
> if
> > > this is on the pru driver side or not.
> > > The tree while doing this was:
> > > .
> > > ├── [ 50K] am335x-boneblack.dtb
> > > ├── [ 49K] am335x-boneblack+pruss.dtb
> > > ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> > > ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> > > ├── [162K] Linux-with-UIO.dtb
> > > ├── [ 44] loob.bin
> > > ├── [108K] MLO
> > > ├── [2.1M] pru.exe.img
> > > ├── [2.0K] test
> > > │ └── [ 12] test2.bin
> > > ├── [ 12] test2.bin
> > > ├── [471K] u-boot.img
> > > ├── [ 390] uEnvLinuxfdt.txt
> > > └── [ 560] uEnv.txt
> > >
> > >
> > > Thanks,
> > > Nils
> > >
> > > Best regards
> > >
> > > Christian
> > >
> > > On 15/08/2019 19:32, Nils Hölscher wrote:
> > > > Hi Christian,
> > > >
> > > > The commands ls and cat work.
> > > > I just tested them, this seems kinda awkward.
> > > >
> > > > Best,
> > > > Nils
> > > >
> > > > On Thu, 15 Aug 2019 at 19:27, Christian Mauderer
> > > <list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>> wrote:
> > > >
> > > > Hello Nils,
> > > >
> > > > does some other access to the file system work? Like
> > a ls
> > > on the console
> > > > or creating a file. Can you do a `cat` on some text
> file
> > > on the file
> > > > system? If not: Does it work for a file in the root
> file
> > > system (should
> > > > be a IMFS)?
> > > >
> > > > Best regards
> > > >
> > > > Christian
> > > >
> > > > On 15/08/2019 15:54, Nils Hölscher wrote:
> > > > > Hi,
> > > > >
> > > > > I when my app wants to open a file on the SD card
> > > dev=mmcsd-0-0 rtems
> > > > > freezes.
> > > > > Exact call is:
> > > > > fd = open(file, O_RDONLY);
> > > > > With file being the pru binary I want to upload.
> > > > >
> > > > > Thanks,
> > > > > Nils
> > > > >
> > > > > On Tue, 13 Aug 2019 at 17:56, Christian Mauderer
> > > > > <christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>
> > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>>
> > > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>
> > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>>>> wrote:
> > > > >
> > > > > Hello Nils,
> > > > >
> > > > > a third possibility: You could start a FTP
> server
> > > and push the
> > > > file
> > > > > via network.
> > > > >
> > > > > Best regards
> > > > >
> > > > > Christian
> > > > >
> > > > > Am Dienstag, 13. August 2019 schrieb Nils
> > Hölscher:
> > > > > > Hi,
> > > > > >
> > > > > >
> > > > > > Thanks for the input I will try the SD card
> > first.
> > > > > > That way I won't have to alter the code when
> I
> > > want to run other
> > > > > stuff on the pru.
> > > > > >
> > > > > >
> > > > > > Best,
> > > > > > Nils
> > > > > >
> > > > > >
> > > > > > On Tue, 13 Aug 2019 at 17:32, Gedare Bloom
> > > <gedare at rtems.org <mailto:gedare at rtems.org>
> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
> > > > > <mailto:gedare at rtems.org
> > <mailto:gedare at rtems.org> <mailto:gedare at rtems.org
> > <mailto:gedare at rtems.org>>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>> wrote:
> > > > > >
> > > > > > You can also build the PRU image into the
> RTEMS
> > > binary. See
> > > > > > examples-v2.git/file_io/crc/init.c
> > > > > >
> > > > > > On Tue, Aug 13, 2019 at 8:46 AM Christian
> > Mauderer
> > > > > <list at c-mauderer.de
> > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > > <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>> wrote:
> > > > > > >
> > > > > > > Hello Nils,
> > > > > > >
> > > > > > > that's a bit odd. I attached an expected
> > output
> > > below.
> > > > Some guesses:
> > > > > > >
> > > > > > > - Did you add FAT file system to your
> > application?
> > > > > > > - Is there some odd formatting on the SD?
> > > Normally at
> > > > least the FAT
> > > > > > > partition used by U-Boot should be visible.
> > > > > > > - Is your BDBUF configuration OK?
> > > > > > > - Do you have enough file descriptors?
> > > > > > >
> > > > > > > Beneath that: If you only need something
> where
> > > you can put
> > > > some
> > > > > files,
> > > > > > > you can try to connect a USB stick instead.
> > > Maybe that
> > > > works better.
> > > > > > >
> > > > > > > Best regards
> > > > > > >
> > > > > > > Christian
> > > > > > >
> > > > > > >
> > > > > > > media listener: event = DISK ATTACH, state
> =
> > > INQUIRY, src
> > > > = mmcsd
> > > > > > > media listener: event = DISK ATTACH, state
> =
> > > SUCCESS, src =
> > > > > mmcsd, dest
> > > > > > > = /dev/mmcsd-0
> > > > > > > media listener: event = MOUNT, state =
> > INQUIRY,
> > > src =
> > > > /dev/mmcsd-0
> > > > > > > mmcsd0: 4GB <SDHC TO 15.15 SN 000002F6 MFG
> > > 02/2017 by 25
> > > > DY> at mmc0
> > > > > > > 24.0MHz/4bit/65535-block
> > > > > > > media listener: event = MOUNT, state =
> > FAILED, src =
> > > > /dev/mmcsd-0
> > > > > > > media listener: event = PARTITION INQUIRY,
> > state =
> > > > INQUIRY, src =
> > > > > > > /dev/mmcsd-0
> > > > > > > media listener: event = PARTITION INQUIRY,
> > state =
> > > > SUCCESS, src =
> > > > > > > /dev/mmcsd-0
> > > > > > > media listener: event = PARTITION ATTACH,
> > state
> > > = INQUIRY,
> > > > src =
> > > > > > > /dev/mmcsd-0
> > > > > > > media listener: event = PARTITION ATTACH,
> > state
> > > = SUCCESS,
> > > > src =
> > > > > > > /dev/mmcsd-0, dest = /dev/mmcsd-0-0
> > > > > > > media listener: event = MOUNT, state =
> > INQUIRY,
> > > src =
> > > > /dev/mmcsd-0-0
> > > > > > > media listener: event = MOUNT, state =
> > SUCCESS,
> > > src =
> > > > > /dev/mmcsd-0-0,
> > > > > > > dest = /media/mmcsd-0-0
> > > > > > > media listener: event = DISK ATTACH, state
> =
> > > INQUIRY, src
> > > > = mmcsd
> > > > > > > media listener: event = DISK ATTACH, state
> =
> > > SUCCESS, src =
> > > > > mmcsd, dest
> > > > > > > = /dev/mmcsd-1
> > > > > > > media listener: event = MOUNT, state =
> > INQUIRY,
> > > src =
> > > > /dev/mmcsd-1
> > > > > > > mmcsd1: 4GB <MMCHC MMC04G 5.8 SN 160D224B
> MFG
> > > 09/2014 by 112
> > > > > 0x0000> at
> > > > > > > mmc1 48.0MHz/8bit/65535-block
> > > > > > > media listener: event = MOUNT, state =
> > FAILED, src =
> > > > /dev/mmcsd-1
> > > > > > > media listener: event = PARTITION INQUIRY,
> > state =
> > > > INQUIRY, src =
> > > > > > > /dev/mmcsd-1
> > > > > > > media listener: event = PARTITION INQUIRY,
> > state
> > > = FAILED,
> > > > src =
> > > > > > > /dev/mmcsd-1
> > > > > > > media listener: event = DISK ATTACH, state
> =
> > > INQUIRY, src =
> > > > > mmcsd1boot
> > > > > > > mmcsd1boot0: 2MB partion 1 at mmcsd1
> > > > > > > mmcsd1boot1: 2MB partion 2 at mmcsd1
> > > > > > > mmcsd1rpmb: 131kB partion 3 at mmcsd1
> > > > > > >
> > > > > > >
> > > > > > > On 13/08/2019 13:30, Nils Hölscher wrote:
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > Thanks for the help.
> > > > > > > > I tried to use your code, but I always
> get
> > > "ERROR: SD
> > > > could not be
> > > > > > > > mounted after timeout".
> > > > > > > > Even after raising the waiting time.
> > > > > > > >
> > > > > > > > The sources I use start here:
> > > > > > > >
> > > >
> > >
> > https://github.com/nilhoel1/rtems-pru/blob/pruss-shell/main.c#L110
> > > > > > > >
> > > > > > > > And my uart output is:
> > > > > > > > ""
> > > > > > > > waiting for SD...
> > > > > > > >
> > > > > > > > usbus0: 480Mbps High Speed USB v2.0
> > > > > > > > usbus1: 480Mbps High Speed USB v2.0
> > > > > > > > media listener: event = DISK ATTACH,
> state =
> > > INQUIRY,
> > > > src = mmcsd
> > > > > > > > media listener: event = DISK ATTACH,
> state =
> > > SUCCESS, src =
> > > > > mmcsd, dest
> > > > > > > > = /dev/mmcsd-0
> > > > > > > > media listener: event = MOUNT, state =
> > > INQUIRY, src =
> > > > /dev/mmcsd-0
> > > > > > > > ugen0.1: <Mentor Graphics OTG Root HUB>
> > at usbus0
> > > > > > > > ugen1.1: <Mentor Graphics OTG Root HUB>
> > at usbus1
> > > > > > > > uhub0: <Mentor Graphics OTG Root HUB,
> class
> > > 9/0, rev
> > > > > 2.00/1.00, addr 1>
> > > > > > > > on usbus0
> > > > > > > > uhub1: <Mentor Graphics OTG Root HUB,
> class
> > > 9/0, rev
> > > > > 2.00/1.00, addr 1>
> > > > > > > > on usbus1
> > > > > > > > media listener: event = MOUNT, state =
> > FAILED,
> > > src =
> > > > /dev/mmcsd-0
> > > > > > > > media listener: event = PARTITION
> > INQUIRY, state =
> > > > INQUIRY, src =
> > > > > > > > /dev/mmcsd-0
> > > > > > > > media listener: event = PARTITION
> > INQUIRY, state =
> > > > SUCCESS, src =
> > > > > > > > /dev/mmcsd-0
> > > > > > > > media listener: event = PARTITION
> > ATTACH, state =
> > > > INQUIRY, src =
> > > > > > > > /dev/mmcsd-0
> > > > > > > > media listener: event = PARTITION
> > ATTACH, state =
> > > > SUCCESS, src =
> > > > > > > > /dev/mmcsd-0, dest = /dev/mmcsd-0-0
> > > > > > > > media listener: event = MOUNT, state =
> > > INQUIRY, src =
> > > > > /dev/mmcsd-0-0
> > > > > > > > media listener: event = MOUNT, state =
> > FAILED,
> > > src =
> > > > > /dev/mmcsd-0-0
> > > > > > > > media listener: event = DISK ATTACH,
> state =
> > > INQUIRY,
> > > > src = mmcsd
> > > > > > > > media listener: event = DISK ATTACH,
> state =
> > > SUCCESS, src =
> > > > > mmcsd, dest
> > > > > > > > = /dev/mmcsd-1
> > > > > > > > media listener: event = MOUNT, state =
> > > INQUIRY, src =
> > > > /dev/mmcsd-1
> > > > > > > > media listener: event = MOUNT, state =
> > FAILED,
> > > src =
> > > > /dev/mmcsd-1
> > > > > > > > media listener: event = PARTITION
> > INQUIRY, state =
> > > > INQUIRY, src =
> > > > > > > > /dev/mmcsd-1
> > > > > > > > media listener: event = PARTITION
> > INQUIRY, state =
> > > > SUCCESS, src =
> > > > > > > > /dev/mmcsd-1
> > > > > > > > media listener: event = PARTITION
> > ATTACH, state =
> > > > INQUIRY, src =
> > > > > > > > /dev/mmcsd-1
> > > > > > > > media listener: event = PARTITION
> > ATTACH, state =
> > > > SUCCESS, src =
> > > > > > > > /dev/mmcsd-1, dest = /dev/mmcsd-1-0
> > > > > > > > media listener: event = MOUNT, state =
> > > INQUIRY, src =
> > > > > /dev/mmcsd-1-0
> > > > > > > > media listener: event = MOUNT, state =
> > FAILED,
> > > src =
> > > > > /dev/mmcsd-1-0
> > > > > > > > media listener: event = DISK ATTACH,
> state =
> > > INQUIRY, src =
> > > > > mmcsd1boot
> > > > > > > > uhub0: 1 port with 1 removable, self
> powered
> > > > > > > > uhub1: 1 port with 1 removable, self
> powered
> > > > > > > > ERROR: SD could not be mounted after
> timeout
> > > > > > > > ""
> > > > > > > >
> > > > > > > > Thanks,
> > > > > > > > Nils
> > > > > > > >
> > > > > > > > On Mon, 12 Aug 2019 at 18:01, Christian
> > Mauderer
> > > > > <list at c-mauderer.de
> > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > > <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>
> > > > > > > > <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > > <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>>> wrote:
> > > > > > > >
> > > > > > > > On 12/08/2019 07:28, Nils Hölscher
> > wrote:
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > Can anyone help me with this?
> > > > > > > > > I need to access the BBB's
> SD-Card, so
> > > that I can load
> > > > > my pru
> > > > > > > > example on
> > > > > > > > > the pru.
> > > > > > > > >
> > > > > > > > > Thanks,
> > > > > > > > > Nils
> > > > > > > > >
> > > > > > > >
> > > > > > > > Hello Nils,
> > > > > > > >
> > > > > > > > take a look at the following
> > application:
> > > > > > > >
> > > > > > > >
> > > > >
> > > >
> > >
> >
> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/init.c#L64
> > > > > > > >
> > > > > > > >
> > > > >
> > > >
> > >
> >
> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/libbsdhelper.c#L122
> > > > > > > >
> > > > > > > > You should mainly need the stuff
> > from the
> > > > > libbsdhelper_init_sd_card()
> > > > > > > > and libbsdhelper_wait_for_sd().
> > > > > > > >
> > > > > > > > Please note that the SD card needs
> quite
> > > some time to
> > > > > initialize on BBB.
> > > > > > > > I haven't had a look at it why that
> > is the
> > > case.
> > > > > > > >
> > > > > > > > Best regards
> > > > > > > >
> > > > > > > > Christian
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > _______________________________________________
> > > > > > > > users mailing list
> > > > > > > > users at rtems.org <mailto:users at rtems.org>
> > <mailto:users at rtems.org <mailto:users at rtems.org>>
> > > <mailto:users at rtems.org <mailto:users at rtems.org>
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> > <mailto:users at rtems.org <mailto:users at rtems.org>>>>
> > > > > > > >
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> > > > > > > >
> > > > > > >
> > _______________________________________________
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> > > > > >
> > > > >
> > > > > --
> > > > > --
> > > > > --------------------------------------------
> > > > > embedded brains GmbH
> > > > > Herr Christian Mauderer
> > > > > Dornierstr. 4
> > > > > D-82178 Puchheim
> > > > > Germany
> > > > > email: christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>
> > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>>
> > > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>
> > > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>
> > > <mailto:christian.mauderer at embedded-brains.de
> > <mailto:christian.mauderer at embedded-brains.de>>>>
> > > > > Phone: +49-89-18 94 741 - 18
> > > > > Fax: +49-89-18 94 741 - 08
> > > > > PGP: Public key available on request.
> > > > >
> > > > > Diese Nachricht ist keine geschäftliche
> Mitteilung
> > > im Sinne
> > > > des EHUG.
> > > > >
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> > <mailto:users at rtems.org <mailto:users at rtems.org>>>
> > > > > http://lists.rtems.org/mailman/listinfo/users
> > > > >
> > > >
> > >
> >
>
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