tree 6c554f748128f6ee223283cc59e363602b97abe1
parent 1c2bc5e82eb5f67de594ecc3455567e193e33c58
author Pratyush Yadav <p.yadav@ti.com> 1624648648 +0530
committer Jagan Teki <jagan@amarulasolutions.com> 1624862203 +0530

mtd: spi-nor-core: Add support for Cypress Semper flash

The Cypress Semper flash is an xSPI compliant octal DTR flash. Add
support for using it in octal DTR mode.

The flash by default boots in a hybrid sector mode. Switch to uniform
sector mode on boot. Use the default 20 dummy cycles for a read fast
command.

The SFDP programming on some older versions of the flash was incorrect.
Fixes for that are included in the fixup hooks.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>