Re:RTEMS Fatal Error on IMX7D SABRE Board.

[jameszxj]

Hi,
    I use IMX7 bsp on my imx6ull board. I have encountered maybe 
the same problem. Please check your device-tree, BSP needs "clock-frequency" at 
node "timer".

But I encountered another problems, the  ARMv7-AR Generic Timer  can 
not generate interrupt.
imx7d has the same core with imx6ull??if your board run RTEMS successfully, 
please let me know, thanks.




------------------ Original ------------------
From:                                                                           
                                             "JunBeom Kim (EmbedCoreTech)"      
                                                                              
<jb...@e-coretech.kr&gt;;
Date:&nbsp;Wed, Jan 6, 2021 01:05 PM
To:&nbsp;"users"<users@rtems.org&gt;;

Subject:&nbsp;RTEMS Fatal Error on IMX7D SABRE Board.



Hello,

After I purchased i.MX7D SABRE board, I am trying to test RTEMS kernel using
lastest RTEMS kernel and source builder for RTEMS 6.0

As I knew before, RTEMS BSP for i.MX7D was not tested for i.MX7D SABRE
board.

When I tested this, my testing result is in below;
<REMARK&gt; rtems.img is made by calling mkimage.

At this time, I am trying to debug RTEMS BSP using GDB with J-Link probe.
There is problem for executing start.S assembly code as source code level.

Please advise me.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
U-Boot 2020.10 (Jan 05 2021 - 09:44:38 +0900)

CPU:&nbsp;&nbsp; Freescale i.MX7D rev1.3 1000 MHz (running at 792 MHz)
CPU:&nbsp;&nbsp; Commercial temperature grade (0C to 95C) at 38C
Reset cause: POR
Model: Freescale i.MX7 SabreSD Board
Board: i.MX7D SABRESD in non-secure mode
DRAM:&nbsp; 1 GiB
PMIC: PFUZE3000 DEV_ID=0x30 REV_ID=0x11
MMC:&nbsp;&nbsp; FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
Loading Environment from MMC... *** Warning - bad CRC, using default
environment

Video: 480x272x24
In:&nbsp;&nbsp;&nbsp; serial
Out:&nbsp;&nbsp; serial
Err:&nbsp;&nbsp; serial
Hit any key to stop autoboot:&nbsp; 0 

=&gt; fatload mmc 0 0x80800000 rtems.img
36463 bytes read in 23 ms (1.5 MiB/s)

=&gt; fatload mmc 0 0x83000000 imx7d-sdb.dtb
33369 bytes read in 22 ms (1.4 MiB/s)

=&gt; bootm 0x80800000 - 0x83000000
## Booting kernel from Legacy Image at 80800000 ...
&nbsp;&nbsp; Image Name:&nbsp;&nbsp; RTEMS
&nbsp;&nbsp; Image Type:&nbsp;&nbsp; ARM Linux Kernel Image (gzip compressed)
&nbsp;&nbsp; Data Size:&nbsp;&nbsp;&nbsp; 36399 Bytes = 35.5 KiB
&nbsp;&nbsp; Load Address: 80200000
&nbsp;&nbsp; Entry Point:&nbsp; 80200000
&nbsp;&nbsp; Verifying Checksum ... OK
## Flattened Device Tree blob at 83000000
&nbsp;&nbsp; Booting using the fdt blob at 0x83000000
&nbsp;&nbsp; Uncompressing Kernel Image
&nbsp;&nbsp; Using Device Tree in place at 83000000, end 8300b258

Starting kernel ...


*** FATAL ***
fatal source: 6 (RTEMS_FATAL_SOURCE_BSP)
fatal code: 3072 (0x00000c00)
RTEMS version: 6.0.0
RTEMS tools: 10.2.1 20201222 (RTEMS 6, RSB
d3dc0bc3861362978cdf65725e4ba2b64e283d32, Newlib 415fdd4)
Executing thread is NULL
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Best Regards,
JunBeom Kim

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