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| author | Ronald Hoogenboom <hoogenboom30@zonnet.nl> | 2008-01-19 00:04:46 +0000 |
|---|---|---|
| committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2008-01-19 00:04:46 +0000 |
| commit | 2f0f561f899b6c0faf964202045e196b0876e849 (patch) | |
| tree | 3757b1baa119b961ecc276e85d338699b6004c83 /util/flashrom/flash.h | |
| parent | cd474afd08356bb4dbc7f0b73e9927c05defe3d8 (diff) | |
| download | coreboot-2f0f561f899b6c0faf964202045e196b0876e849.tar.xz | |
Support SPI flash chips bigger than 512 kByte sitting behind IT8716F
Super I/O performing LPC-to-SPI flash translation.
Signed-off-by: Ronald Hoogenboom <hoogenboom30@zonnet.nl>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3061 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/flashrom/flash.h')
| -rw-r--r-- | util/flashrom/flash.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/util/flashrom/flash.h b/util/flashrom/flash.h index dffb1b8036..048f7440f0 100644 --- a/util/flashrom/flash.h +++ b/util/flashrom/flash.h @@ -234,7 +234,16 @@ extern struct flashchip flashchips[]; #define TI_ID 0x97 /* Texas Instruments */ +/* + * W25X chips are SPI, first byte of device ID is memory type, second + * byte of device ID is related to log(bitsize). + */ #define WINBOND_ID 0xDA /* Winbond */ +#define WINBOND_NEX_ID 0xEF /* Winbond (ex Nexcom) serial flash devices */ +#define W_25X10 0x3011 +#define W_25X20 0x3012 +#define W_25X40 0x3013 +#define W_25X80 0x3014 #define W_29C011 0xC1 #define W_29C020C 0x45 #define W_29C040P 0x46 @@ -297,6 +306,7 @@ void generic_spi_write_enable(); void generic_spi_write_disable(); int generic_spi_chip_erase_c7(struct flashchip *flash); int generic_spi_chip_write(struct flashchip *flash, uint8_t *buf); +int generic_spi_chip_read(struct flashchip *flash, uint8_t *buf); /* 82802ab.c */ int probe_82802ab(struct flashchip *flash); |