diff options
| author | Joshua Oreman <oremanj@rwcr.net> | 2009-06-01 18:36:25 -0700 |
|---|---|---|
| committer | Michael Brown <mcb30@etherboot.org> | 2009-06-23 10:33:10 +0100 |
| commit | 743ebc2f4b056673efb26f294ab39a661d77d1a8 (patch) | |
| tree | 0103c21c7dd960c74c10373767502a1e3f7fcf1e | |
| parent | 558c1a45fe30ffe3d6c67b2321e0fc973f13e9b7 (diff) | |
| download | ipxe-743ebc2f4b056673efb26f294ab39a661d77d1a8.tar.gz | |
[nvs] Add init function for Atmel 93C66 EEPROM
The 93C66 is identical to the 93C56 in programming interface and
addressing, but twice as large in data storage (4096 bits). It's
used in some RTL8185 wireless cards.
Signed-off-by: Michael Brown <mcb30@etherboot.org>
| -rw-r--r-- | src/include/gpxe/threewire.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/include/gpxe/threewire.h b/src/include/gpxe/threewire.h index 2db672603..e23284af4 100644 --- a/src/include/gpxe/threewire.h +++ b/src/include/gpxe/threewire.h @@ -87,6 +87,19 @@ init_at93c56 ( struct spi_device *device, unsigned int organisation ) { init_at93cx6 ( device, organisation ); } +/** + * Initialise Atmel AT93C66 serial EEPROM + * + * @v device SPI device + * @v organisation Word organisation (8 or 16) + */ +static inline __attribute__ (( always_inline )) void +init_at93c66 ( struct spi_device *device, unsigned int organisation ) { + device->nvs.size = ( 4096 / organisation ); + device->address_len = ( ( organisation == 8 ) ? 9 : 8 ); + init_at93cx6 ( device, organisation ); +} + /** @} */ #endif /* _GPXE_THREEWIRE_H */ |