On 30 October 2016 at 11:46, Jagan Teki <ja...@openedev.com> wrote: > Add Spansion S25FS256S_64K spi flash to the list of spi_flash_ids. > > In spansion S25FS-S family the physical sectors are grouped as > normal and parameter sectors. Parameter sectors are 4kB in size > with 8 set located at the bottom or top address of a device. > Normal sectors are similar to other flash family with sizes of > 64kB or 32 kB. > > To erase whole flash using sector erase(D8h or DCh) won't effect > the parameter sectors, so in order to erase these we must use 4K > sector erase commands (20h or 21h) separately. > > So better to erase the whole flash using 4K sector erase instead > of detecting these family parts again and do two different erase > operations. > > Cc: Yunhui Cui <yunhui....@nxp.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Bin Meng <bmeng...@gmail.com> > Cc: York Sun <york....@nxp.com> > Cc: Vignesh R <vigne...@ti.com> > Cc: Mugunthan V N <mugunthan...@ti.com> > Cc: Michal Simek <michal.si...@xilinx.com> > Cc: Michael Trimarchi <mich...@amarulasolutions.com> > Cc: Siva Durga Prasad Paladugu <siva...@xilinx.com> > Signed-off-by: Jagan Teki <ja...@openedev.com> > --- > drivers/mtd/spi/sf_params.c | 1 + > 1 file changed, 1 insertion(+)
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot