Layerscape中的主题 Re: CodeWarrior Armv7 ls1021a flash error

CodeWarrior Armv7 ls1021a flash error

jiye — Wed, 04 Dec 2019 20:24:59 GMT

Hi,

So my standalone board of ls1021a which has an external eMMC, DDR no SD card slot option. I want to test the uboot binary on the LS1021A-TWR eva board via JTAG interface first then flash to my stand alone board. I want to make sure

(1) if SD card on my eva board and eMMC on my standalone board are the same thing in terms of RCW boot source.

(2) I had encountered this error when I tried to flash into SD card on the eva board

Re: CodeWarrior Armv7 ls1021a flash error

ufedor — Thu, 05 Dec 2019 04:13:47 GMT

The CodeWarrior Flash Programmer is trying to load driver to the target's SDRAM and it appears that the SDRAM is not initialized or not operational.

Re: CodeWarrior Armv7 ls1021a flash error

jiye — Thu, 05 Dec 2019 17:15:40 GMT

the boot source is SD card, the EVA board has 1GB DDR3L I do not understand why it cannot detected also the SDRAM should be DDR4?

Re: CodeWarrior Armv7 ls1021a flash error

ufedor — Thu, 05 Dec 2019 17:36:44 GMT

Please understand that CodeWarrior does not detect SDRAM configuration - it uses initialization script containg settings for the DDR controller. Please refer for example to the sample script at:

\CW_ARMv7_v2019.01\CW_ARMv7\ARMv7\ARM_Support\Configuration_Files\LS1021A\LS1021A_TWR_Init.tcl

Re: CodeWarrior Armv7 ls1021a flash error

jiye — Fri, 06 Dec 2019 01:05:19 GMT

how to use this script and what is the difference compares to LS1021A_TWR_OCRAM_Init.tcl

Re: CodeWarrior Armv7 ls1021a flash error

ufedor — Fri, 06 Dec 2019 03:32:55 GMT

The script is used by CodeWarrior as described in the CodeWarrior for ARMv7 Targeting Manual (CW_ARMv7_Targeting_Manual.pdf), 9.1 Using target initialization files.

OCRAM - refer to the QorIQ LS1021A Reference Manual, 7.2 On-Chip RAM memory controller (OCRAM)

Re: CodeWarrior Armv7 ls1021a flash error

jiye — Fri, 06 Dec 2019 13:21:33 GMT

I was trying to use the method described in AN12270, Section 2 using lsbp.tcl because seems like you guys have so many different kinds of method.

I failed to use AN12270 because i do not know what is the u-boot.bin they are talking about

The one I have is called

uboot_ls1021atwr_sdcard_qspi.bin

which I generated from LSDK

I am going to switch to the method you recommend now

Re: CodeWarrior Armv7 ls1021a flash error

jiye — Fri, 06 Dec 2019 14:15:35 GMT

be noticed that since I need do some PCB modifications that is why right now I am testing on my eva board with boot source SD card then once I execute the task it keeps doing blank checking is this normal ? It's been doing for half an hour now

then says