diff options
Diffstat (limited to 'src/include/gpxe/threewire.h')
| -rw-r--r-- | src/include/gpxe/threewire.h | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/src/include/gpxe/threewire.h b/src/include/gpxe/threewire.h index 4277d8ab..cbf6180a 100644 --- a/src/include/gpxe/threewire.h +++ b/src/include/gpxe/threewire.h @@ -22,40 +22,48 @@ /** @} */ +extern int threewire_read ( struct nvs_device *nvs, unsigned int address, + void *data, size_t len ); + /** - * @defgroup spidevs SPI device types + * @defgroup tdevs Three-wire device types * @{ */ -/** Atmel AT93C46 serial EEPROM +static inline __attribute__ (( always_inline )) void +init_at93cx6 ( struct spi_device *device, unsigned int organisation ) { + device->nvs.word_len = organisation; + device->nvs.block_size = 1; + device->command_len = 3, + device->nvs.read = threewire_read; +} + +/** + * Initialise Atmel AT93C46 serial EEPROM * - * @v org Word size (8 or 16) + * @v device SPI device + * @v organisation Word organisation (8 or 16) */ -#define AT93C46( org ) { \ - .word_len = (org), \ - .size = ( 1024 / (org) ), \ - .block_size = 1, \ - .command_len = 3, \ - .address_len = ( ( (org) == 8 ) ? 7 : 6 ), \ - .read = threewire_read, \ - } - -/** Atmel AT93C56 serial EEPROM +static inline __attribute__ (( always_inline )) void +init_at93c46 ( struct spi_device *device, unsigned int organisation ) { + device->nvs.size = ( 1024 / organisation ); + device->address_len = ( ( organisation == 8 ) ? 7 : 6 ); + init_at93cx6 ( device, organisation ); +} + +/** + * Initialise Atmel AT93C56 serial EEPROM * - * @v org Word size (8 or 16) + * @v device SPI device + * @v organisation Word organisation (8 or 16) */ -#define AT93C56( org ) { \ - .word_len = (org), \ - .size = ( 2048 / (org) ), \ - .block_size = 1, \ - .command_len = 3, \ - .address_len = ( ( (org) == 8 ) ? 9 : 8 ), \ - .read = threewire_read, \ - } +static inline __attribute__ (( always_inline )) void +init_at93c56 ( struct spi_device *device, unsigned int organisation ) { + device->nvs.size = ( 2048 / organisation ); + device->address_len = ( ( organisation == 8 ) ? 9 : 8 ); + init_at93cx6 ( device, organisation ); +} /** @} */ -extern int threewire_read ( struct spi_device *device, unsigned int address, - void *data, size_t len ); - #endif /* _GPXE_THREEWIRE_H */ |