I have an application which I’m trying to debug for the first time using S32 Design
Studio on a new MPC5748G processor and the debugger fails to write into flash. See below -
Connection
from "127.0.0.1" via 127.0.0.1
Copyright
2012 P&E Microcomputer Systems,Inc.
Command
Line
:E:\Freescale\S32_Power_v1.1\eclipse\plugins\com.pemicro.debug.gdbjtag.ppc_1.3.3.201605241936\win32\pegdbserver_power_console
-device=MPC5748G -startserver -singlesession -serverport=7224
-interface=USBMULTILINK -speed=1000 -resetdelay=300 -?
CMD>RE
Initializing.
Target
has been RESET and is active.
CMD>CM
E:\Freescale\S32_Power_v1.1\eclipse\plugins\com.pemicro.debug.gdbjtag.ppc_1.3.3.201605241936\win32\gdi\P&E\freescale_mpc5748g_1x32x1524k_cflash.pcp
Initializing.
Initialized.
;version
1.01, 04/23/2015, Copyright P&E Microcomputer Systems, www.pemicro.com
[5748G_6096k]
;device
Freescale, MPC5748G, 1x32x1524k, desc=CFlash
;begin_cs
device=$00F8C000, length=$005F4000, ram=$40000000
Loading
programming algorithm ...
WARNING
- Selected .PCP file has been modified. CRC16 = $6D58
Done.
CMD>EM
Erasing.
Module
has been erased.
CMD>PM
Programming.
Processing
Object File Data ...
Error
during programming.
Error
Programming flash of device
Error
occured during Flash programming.
Starting
reset script
(E:\Freescale\S32_Power_v1.1\eclipse\plugins\com.pemicro.debug.gdbjtag.ppc_1.3.3.201605241936\win32\gdi\P&E\s32e200_mpc574xg.mac)
...
REM
This script is compatible with MPC574xG devices.
REM
Initialize all of the Main SRAM - 768KB
Initializing
RAM from $40000000 to $400BFFFF.
Reset
script
(E:\Freescale\S32_Power_v1.1\eclipse\plugins\com.pemicro.debug.gdbjtag.ppc_1.3.3.201605241936\win32\gdi\P&E\s32e200_mpc574xg.mac)
completed.
PE-ERROR:
Error downloading to the device.
Interrupt
command received. Halting execution.
In Eclipse I have access to memory and some control over the processor which I halt. Looking over post on this forum I’m speculating
it’s a Censorship/Flash Write enable issue. Here is a memory dump of 0xFFFF_4000 (PASS_LCSTAT), etc. which looks like
there are bits needing to be set to zeros that I could to manually.
Is there a script I can run in powerpc-eabivle-gdb or a tool for JTAG which will set the
processor up for code development assuming it’s not bricked up?
Also what changes a processors Life Cycle status. Is there any type of timer/counter performing this processes in the core?
Any help on this matter would be appreciated.
Best regards,
Kent
Hi Martin,
At the time I placed my original post, I ported a large application from another processor to the MPC5748G core and was observing errors when programming flash in the output log when going into the debugger. I went to P&E Micro's website to find solutions to the debugger errors and found some pointers for when working with their USB Multilink FX. So I tried compiling and debugging the standard starter application in the S32 Design Studio which worked in the MPC5748G core. I was able to load code into flash and debug it in all three processors. So I'm going to go back to the ported source code and break it into smaller portions and see at what point it will load or not load.
I avoided modifying UTest flash because there are parameters in the MPC5748G core that one has to be careful not to tweak. Here is a snap shot of the UTest flash memory.
So at this point I can load compiled code into flash, but I'm trying to figure out why I'm having issues loading a larger application.
Thank you for your help.
Best regards,
Kent
