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u-boot shows 256MB memory but only 128MB memory is getting read/write

Question asked by Vidya Sagar on Jan 13, 2017
Latest reply on Jan 23, 2017 by Vidya Sagar
Branched from an earlier discussion

Dear All,

 

I am working with P2020 processor board, there is 256MB NOR flash (S70GL02GS)  on board.

 

I have configured 256MB NOR memory in the u-boot config file (p1_p2_rdb_pc.h).

 

#CONFIG_SYS_FLASH_BASE       0XE0000000

#CONFIG_SYS_MAX_FLASH_SECT 2048

 

u-boot log shows 256MB memory but only 128MB memory (0xe0000000 - 0xe7fffffff) is getting read/write.

 

Please help me what need to configure for the accessing rest of the memory.

 

 

Thanks,

Vidya

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