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Add support for various ST M25P* chips

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Add support for ST M25P05-A, M25P10-A, M25P20, M25P40, M25P16, M25P32,
M25P64, M25P128.

ST M25P80 support is already there. Not tested, but conforming to data
sheets and double checked.

Corresponding to flashrom svn r166 and coreboot v2 svn r3012.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Carl-Daniel Hailfinger 2007-12-17 22:22:40 +00:00
parent 21c7890701
commit d8cc58c85e
2 changed files with 24 additions and 0 deletions
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8
flash.h
View File

@ -172,7 +172,15 @@ extern struct flashchip flashchips[];
* byte of device ID is related to log(bitsize) at least for some chips.
*/
#define ST_ID 0x20 /* ST */
#define ST_M25P05A 0x2010
#define ST_M25P10A 0x2011
#define ST_M25P20 0x2012
#define ST_M25P40 0x2013
#define ST_M25P80 0x2014
#define ST_M25P16 0x2015
#define ST_M25P32 0x2016
#define ST_M25P64 0x2017
#define ST_M25P128 0x2018
#define ST_M50FLW040A 0x08
#define ST_M50FLW040B 0x28
#define ST_M50FLW080A 0x80

16
flashchips.c
View File

@ -140,8 +140,24 @@ struct flashchip flashchips[] = {
probe_jedec, erase_chip_jedec, write_jedec},
{"M29F040B", ST_ID, ST_M29F040B, 512, 64 * 1024,
probe_29f040b, erase_29f040b, write_29f040b},
{"M25P05-A", ST_ID, ST_M25P05A, 64, 32 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P10-A", ST_ID, ST_M25P10A, 128, 32 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P20", ST_ID, ST_M25P20, 256, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P40", ST_ID, ST_M25P40, 512, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P80", ST_ID, ST_M25P80, 1024, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P16", ST_ID, ST_M25P16, 2048, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P32", ST_ID, ST_M25P32, 4096, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P64", ST_ID, ST_M25P64, 8192, 64 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"M25P128", ST_ID, ST_M25P128, 16384, 256 * 1024,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write},
{"82802ab", 137, 173, 512, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab},
{"82802ac", 137, 172, 1024, 64 * 1024,