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sheng yang
Senior
August 11, 2019
Question

I try to use hard ecc of stm32f767igt under U-Boot,but i test my code ,i found could only write one page by one page under command of U-Boot,

  • August 11, 2019
  • 0 replies
  • 826 views

I try to use hard ecc of stm32f767igt under U-Boot,but i test my code ,i found could only write one page by one page under command of U-Boot,then i will get the right ecc value when i ready after i will one page ;but when i write two page or more, i could only get the right ecc value in reg FMC_ECCR of the first page;i'm counfused ,who can help me or any one has some suggestion?

the nand i use is MT29F4G08 (SLC)

YYFISH > nand info     

Device 0: nand0, sector size 128 KiB

 Page size    2048 b

 OOB size     64 b

 Erase size  131072 b

 subpagesize   2048 b

 options   0x00004000

 bbt options 0x00008000

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