On Tue, Sep 22, 2015 at 12:55:00AM -0300, Fabio Estevam wrote: > From: Fabio Estevam <[email protected]> > > SPI NOR flashes need to erase the entire sector size and we cannot pass > any arbitrary length for the erase operation. > > To illustrate the problem: > > Copying data from PC to DFU device > Download [=========================] 100% 478208 bytes > Download done. > state(7) = dfuMANIFEST, status(0) = No error condition is present > state(10) = dfuERROR, status(14) = Something went wrong, but the > device does not know what it was > Done! > > In this case, the binary has 478208 bytes and the M25P32 SPI NOR > has an erase sector of 64kB. > > 478208 = 7 entire sectors of 64kiB + 19456 bytes. > > Erasing the first seven 64 kB sectors works fine, but when trying > to erase the remainding 19456 causes problem and the board hangs. > > Fix the issue by always erasing with the erase sector size. > > Signed-off-by: Fabio Estevam <[email protected]> > Acked-by: Lukasz Majewski <[email protected]>
Applied to u-boot/master, thanks! -- Tom
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