tis 2009-01-06 klockan 14:48 -0800 skrev Brad Bozarth: > Hmm... looking in the datasheet I have, it says: > Flexible Erase Options > – Page Erase (512 Bytes) > – Block Erase (4 Kbytes) > – Sector Erase (64 Kbytes) > – Chip Erase (32 Mbits) >
The dataflash is normally 528/1056 bytes per page. D versions can be configured to have a 512/1024 bytes per page but that is wasting a couple of percent of the dataflash. Best Regards Ulf Samuelsson > which would indicate a third combo, different from mine and yours :) > --- 16 blocks/sector and 64 sectors... The code only does page based > so far, so I didn't catch this. > > -brad > > On Sat, Jan 3, 2009 at 10:36 PM, Jean-Christophe PLAGNIOL-VILLARD > <[email protected]> wrote: > > On 02:59 Tue 30 Dec , Mike Frysinger wrote: > >> From: Brad Bozarth <[email protected]> > >> > >> Signed-off-by: Brad Bozarth <[email protected]> > >> Signed-off-by: Mike Frysinger <[email protected]> > >> --- > >> drivers/mtd/spi/atmel.c | 8 ++++++++ > >> 1 files changed, 8 insertions(+), 0 deletions(-) > >> > >> diff --git a/drivers/mtd/spi/atmel.c b/drivers/mtd/spi/atmel.c > >> index 10fcf0c..581b710 100644 > >> --- a/drivers/mtd/spi/atmel.c > >> +++ b/drivers/mtd/spi/atmel.c > >> @@ -52,6 +52,14 @@ to_atmel_spi_flash(struct spi_flash *flash) > >> > >> static const struct atmel_spi_flash_params atmel_spi_flash_table[] = { > >> { > >> + .idcode1 = 0x27, > >> + .l2_page_size = 9, > >> + .pages_per_block = 8, > >> + .blocks_per_sector = 32, > >> + .nr_sectors = 32, > >> + .name = "AT45DB321D", > > the AT45DB321D is supposed to be 64 block per sector and 64 sectors > > > > Best Regards, > > J. > > > _______________________________________________ > U-Boot mailing list > [email protected] > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
