Flash verify section issue !

[Saitej]

Hello NXP

Here we are with S32K148 and using flash drivers from SDK. we are performing flash operations from bootloader code on application memory 

boot- memory block: 0x00000000 to 0x0003FFFF

app- memory block: 0x00040000 to 0x0017FFFF

Here we are intended to do erase of whole application memory block (0x40000 to 0x17FFFF) and verify it for this we are using "FLASH_DRV_EraseSector" function followed by "FLASH_DRV_VerifySection" in a loop until we reach the last sector of application memory block.

But here continuously we are seeing "FLASH_DRV_VerifySection" got failed at 0x70000 address, arguments we given to "FLASH_DRV_VerifySection" are :

FLASH_DRV_VerifySection(&FlashSSDConfig, Flash_PrgmEraseConfig_s.NextStartAdrs_u32, C_FLASH_SECTOR_SIZE, C_FLASH_ERASE_MARGINLEVEL)

Flash_PrgmEraseConfig_s.NextStartAdrs_u32: address will get updated in the loop

C_FLASH_SECTOR_SIZE: sector size 4kb

C_FLASH_ERASE_MARGINLEVEL:  user margin level 1

FLASH_DRV_VerifySection(const flash_ssd_config_t * pSSDConfig, uint32_t dest, uint16_t number, uint8_t marginLevel)

• Here we suspect in the function arguments we see third argument as number instead of size & we are passing the size is that correct ?.
• from reference manual we understand we need to give double phrase number which is "128". are we correct on this ?
• 
• But on other side in SDK doxygen document says size. which one is correct ?
• 

Please do the needful !

[danielmartynek · Accepted solution]

Hello @Saitej,

I guess this is because it crosses a PFlash block boundary.

There are 3 blocks (read partitions) from 0x0000_0000 to 0x0017_FFFF.

Once block 0x0008_0000.

One sector is 4096 bytes.

One double phrase is 128bits = 16bytes.

256 double phrases in one sector.

If you pass 256 as the third argument it should work.

Regards,

Daniel