[PATCH v2] imx: imx8mp: Add support for Polyhex Debix Model A SBC

[Milan Zamazal]

Peng Fan <peng.fan at oss.nxp.com> writes:

> On 5/24/2023 3:21 AM, Gilles Talis wrote:
>> Add support for the Polyhex Debix Model A SBC board.
>> It is an industrial grade single board computer based on
>> NXP's i.MX 8M Plus.
>> Currently supported interfaces are:
>> - Serial console
>> - Micro SD
>> - eQOS and FEC Ethernet
>> imx8mp-debix-model-a.dts is taken from Linux 6.3.
>> Signed-off-by: Gilles Talis<gilles.talis at gmail.com>
>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>

Do you know why the patch has been left (as far as I can see) without
further action?

BTW, I applied it to current master, compiled approximately following
https://docs.u-boot.org/en/latest/board/nxp/imx8mp_evk.html and tried to
use it on Debix Model A.  U-Boot starts but cannot find the partition
table on the SD card:

  U-Boot SPL 2024.01-rc3-07226-g43f2873fa9-dirty (Jan 01 1980 - 00:00:00 +0000)
  Normal Boot
  WDT:   Started watchdog at 30280000 with servicing every 1000ms (60s timeout)
  Trying to boot from BOOTROM
  Boot Stage: Primary boot
  image offset 0x8000, pagesize 0x200, ivt offset 0x0
  NOTICE:  BL31: v2.2(release):rel_imx_5.4.70_2.3.6-0-g15e8ff164-dirty
  NOTICE:  BL31: Built : 00:00:00, Jan  1 1980


  U-Boot 2024.01-rc3-07226-g43f2873fa9-dirty (Jan 01 1980 - 00:00:00 +0000)

  CPU:   Freescale i.MX8MP[8] rev1.1 at 1200 MHz
  Reset cause: POR
  Model: Polyhex Debix Model A i.MX8MPlus board
  DRAM:  2 GiB
  Core:  83 devices, 22 uclasses, devicetree: separate
  WDT:   Started watchdog at 30280000 with servicing every 1000ms (60s timeout)
  MMC:   FSL_SDHC: 1, FSL_SDHC: 2
  Loading Environment from MMC... *** Warning - bad CRC, using default environment

  In:    serial at 30890000
  Out:   serial at 30890000
  Err:   serial at 30890000
  Net:   eth1: ethernet at 30bf0000 [PRIME]
  Hit any key to stop autoboot:  2 <0x08><0x08><0x08> 1 <0x08><0x08><0x08> 0 
  switch to partitions #0, OK
  mmc1 is current device
  Scanning mmc 1:1...
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  <0x1b>7<0x1b>[r<0x1b>[999;999H<0x1b>[6n<0x1b>8Card did not respond to voltage select! : -110
  No EFI system partition
  No EFI system partition
  Failed to persist EFI variables
  Remove /soc at 0/bus at 30800000/ethernet at 30be0000:phy-reset-gpios
  BootOrder not defined
  EFI boot manager: Cannot load any image
  ,** No partition table - mmc 1 **
  Couldn't find partition mmc 1:1
  Card did not respond to voltage select! : -110
  u-boot=>

When I use an old U-Boot blob provided by Debix, it boots fine from the
same SD card.  The SD card contains a Fedora aarch64 image with a msdos
partition table.

Do you know what could be wrong?

Regards,
Milan