T2080 custom board connection issues with codewarrior tap

[matthewdahl]

I am working on a custom board with a t2080, have previously been able to successfully connect to the processor (read SPD and perform DDR validation process).

Beginning this week I am now unable to read SPD data and/or perform the DDR validation with codewarrior. Last week I was using the usb connection, this week I have attempted both the usb and ethernet connection.

Using ccs it always seems to fail on execution of ccs::reset_to_debug (appears to succeed when using the ethernet connection, but the board does not enter debug, I can still interact with the u-boot prompt).

When it doesn't work (using the usb) the board is reset and u-boot restarts, and ccs reports the core is not responding.

I have tried just about everything I can think of and could find online, without any luck.

[matthewdahl]

Currently have the TAP configured for Ethernet and it states there are no TAPs connected via USB (it is connected), but the results of source IDcore.tcl are as follow:

(bin) 49 % log v
CCS Windows Release Build 440p0
verbose logging
(bin) 50 % delete all
(bin) 51 % source IDcode.tcl

Scanning for available TAPs connected via USB.....

No TAPs found connected via USB

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+      Available Remote Connections
+
+   1 -  CodeWarriorTAP  -  <Specify IP Address>
+   2 -  EthernetTAP  -  <Specify IP Address>
+   3 -  GigabitTAP  -  <Specify IP Address>
+
+   x  - Exit Script without Changes
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Specify connection:
1

Specify IP Address

192.168.1.99

Configuring TAP Interface....

Configured Connection: cwtap : 192.168.1.99

CodeWarrior TAP executable differs from local file.
CodeWarrior TAP Boot Loader version 1.0.1
CodeWarrior TAP OS version 1.0.4
Sending code to CodeWarrior TAP.........done
Running package script

TDO -----
        |
        * Device 0  IDCODE: 118E701D  Device: FSL T2080 rev 2.x
        |
TDI -----

[Pavel]

Test your connection using the following commands in CCS console:

log v

source IDcode.tcl

Do not forget to specify connection. Set 1 if CodeWarrior TAP USB connection is used.

You should see the similar messages:

(bin) 49 % log v

CCS Windows Release Build 469.0.0.180110-p0

verbose logging

(bin) 50 % source IDcode.tcl

Scanning for available TAPs connected via USB.....

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

+

+      Available Remote Connections

+

+   1 -  CodeWarriorTAP  -  00:04:9f:04:e4:b2

+   2 -  CodeWarriorTAP  -  <Specify IP Address>

+   3 -  GigabitTAP  -  <Specify IP Address>

+

+   x  - Exit Script without Changes

+

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Specify connection:

1

Configuring TAP Interface....

Configured Connection: cwtap : 00:04:9f:04:e4:b2

TDO -----

        |

        * Device 0  IDCODE: 5BA00477  Device: ARM DAP rev 5.x

        * Device 1  IDCODE: 06B2001D  Device: NXP LS1012A rev 1.x

        |

TDI -----

Have a great day,
Pavel Chubakov

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