i.MX233 BGA boot after 20 second delay

[PramodKumar]

Hi,

We are facing one problem in our i.MX233 BGA based board that it boot after 20 second delay after 0x8020a01d message then start the kernel , while same kernel boot immediate in i.MX233 (LQFP 128) board.

The debug boot sequence is given below:

HTLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLFC

PowerPrep start initialize power...

Battery Voltage = 0.78V

No battery or bad batterydetected!!!.Disabling batteryvoltage measurements./r/nLLCAug 22 201215:25:39

EMI_CTRL 0x1C084040

FRAC 0x92926192

init_ddr_mt46v32m16_133Mhz

power 0x00820710

Frac 0x92926192

start change cpu freq

hbus 0x00000003

cpu 0x00010001

LLLLLLLFCLJUncompressing Linux... done, booting the kernel.

[igorpadykov]

Hi Pramod

what is full marking of i.MX233 BGA ?

Best regards

igor

[PramodKumar]

Hi Igor,

The full marking is MCIMX233DJM4D A4 M88S

Regards,

Pramod

[igorpadykov]

Hi Pramod

I could not find such part available for purchasing

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX233&cof=0&am=0&tab=Buy_Parametric...

Best regards

igor

[PramodKumar]

Hi Igor,

The marking is B not D the complete marking is MCIMX233DJM4B A4 M88S.

Regards,

Pramod Kumar

[igorpadykov]

Hi Pramod

for "B" part 0x8020a01d message is due to erratum

IMX23CE

0x8020A01D means ERROR_DDI_SD_MBR_NOT_FOUND

This  2229 erratum is fixed in new Rev.C silicon,  last letter "C" marking.

There is workaround (patch)

"IMX23 SD ROM PATCH: EEPROM Patch Workaround for Errata #2229"

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX233&fpsp=1&tab=Design_Tools_Tab

Best regards

igor