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Migrated etherfabric driver to using generic SPI layer.

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This commit is contained in:
Michael Brown
2006-12-04 20:47:51 +00:00
parent 2d8d21fe74
commit d62c83a350
2 changed files with 101 additions and 127 deletions
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43
src/include/gpxe/spi.h
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@@ -193,4 +193,47 @@ extern int spi_read ( struct nvs_device *nvs, unsigned int address,
extern int spi_write ( struct nvs_device *nvs, unsigned int address,
const void *data, size_t len );
/**
* @defgroup spidevs SPI device types
* @{
*/
static inline __attribute__ (( always_inline )) void
init_spi ( struct spi_device *device ) {
device->nvs.word_len_log2 = 0;
device->command_len = 8,
device->nvs.read = spi_read;
device->nvs.write = spi_write;
}
/** Atmel AT25F1024 serial flash */
static inline __attribute__ (( always_inline )) void
init_at25f1024 ( struct spi_device *device ) {
device->address_len = 24;
device->nvs.size = ( 128 * 1024 );
device->nvs.block_size = 256;
init_spi ( device );
}
/** Atmel 25040 serial EEPROM */
static inline __attribute__ (( always_inline )) void
init_at25040 ( struct spi_device *device ) {
device->address_len = 8;
device->munge_address = 1;
device->nvs.size = 512;
device->nvs.block_size = 8;
init_spi ( device );
}
/** Microchip 25XX640 serial EEPROM */
static inline __attribute__ (( always_inline )) void
init_mc25xx640 ( struct spi_device *device ) {
device->address_len = 16;
device->nvs.size = ( 8 * 1024 );
device->nvs.block_size = 32;
init_spi ( device );
}
/** @} */
#endif /* _GPXE_SPI_H */