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Signed-off-by: Shaohui Xie <b21989@freescale.com>
Cc: Mike Frysinger <vapier@gentoo.org>
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Now that the common spi_flash structure tracks all the info that these
drivers need, kill off their local state indirection and use just what
the common code provides.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Once we add a new page_size field for write lengths, we can unify the
write methods for most of the spi flash drivers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Every spi flash uses the same write enable command, so unify this in
the common code.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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No need for these to be exported as they are only accessed indirectly
via function pointers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This patch adds a new member to struct spi_flash (u16 sector_size)
and updates the spi flash drivers to start populating it.
This parameter can be used by spi flash commands that need to round
up units of operation to the flash's sector_size.
Having this number in one place also allows duplicated code to be
further collapsed into one common location (such as erase parameter
and the detected message).
Signed-off-by: Richard Retanubun <RichardRetanubun@RuggedCom.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All of the spi flash drivers implement the status register polling for
detecting the device ready state, so unify them all in a new helper
function -- spi_flash_wait_ready.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This patch introduces an extra mask-field in spansion_spi_flash_params
to support flash chips with 1-byte extended ID (like the S25FL032P).
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The spansion_erase currently only works when the sector size is 64KB.
cmd[1] should contain the higher 8 bit of the 24 bit address of the
sector to be erased. Currently it is holding the sector index to be
erased which happens to be the same thing when the sector size is
64KB.
Signed-off-by: Marc-Andre Hebert <marc-andre.hebert@humanware.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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At the moment, the default SPI flash subsystem is quite terse. Errors and
successes both result in a generic message. So move the useful errors and
useful successes to printf output by default.
While we're here, also convert the messages to use print_size().
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Some SPI flash drivers like to have extended id information available
(like the spansion flash), so rather than making it re-issue the ID cmd
to get at the last 2 bytes, have the common code read 5 bytes rather than
just 3. This also matches the Linux behavior where it always reads 5 id
bytes from all flashes.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
CC: Mingkai Hu <Mingkai.hu@freescale.com>
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Add MTD SPI Flash support for S25FL008A, S25FL016A,
S25FL032A, S25FL064A, S25FL128P.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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