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Original question:

AM2434: OSPI Flash IO erase the sector can not success?

AM2434: How to close the issue of needing to write twice

gg yang
Expert 1220 points
Part Number: AM2434
Other Parts Discussed in Thread: UNIFLASH

SDK8.6,
I erased S28HS512T through Uboot sf and wrote sbl to S28HS512T.

After writing, it can run for the first time, but cannot run for the second time, and can run after writing again.

Can I use the default sector address map？

How can I write a flash only once using a 256KB uniform sector address map？

  • 0
    TI__Mastermind 26145 points

    Hi ,

    We have SBL booting from Flash already tested in our flow. You can check the SBL_OSPI example which is flashed via -

    • SBL_UART_UNIFLASH
    • SBL_JTAG_UNIFLASH
    • SBL_USB_DFU_UNIFLASH

    This flow is already tested even for 09.00 release.

    This looks like some environment issue or understanding issue on your end.

    Best Regards,
    Aakash