diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/nic.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/nic.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index b90dc8a24cca..2b84aeb3c8ce 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -16,7 +16,6 @@ #include "net_driver.h" #include "efx.h" #include "mcdi.h" -#include "spi.h" /* * Falcon hardware control @@ -164,6 +163,38 @@ struct falcon_board { }; /** + * struct falcon_spi_device - a Falcon SPI (Serial Peripheral Interface) device + * @device_id: Controller's id for the device + * @size: Size (in bytes) + * @addr_len: Number of address bytes in read/write commands + * @munge_address: Flag whether addresses should be munged. + * Some devices with 9-bit addresses (e.g. AT25040A EEPROM) + * use bit 3 of the command byte as address bit A8, rather + * than having a two-byte address. If this flag is set, then + * commands should be munged in this way. + * @erase_command: Erase command (or 0 if sector erase not needed). + * @erase_size: Erase sector size (in bytes) + * Erase commands affect sectors with this size and alignment. + * This must be a power of two. + * @block_size: Write block size (in bytes). + * Write commands are limited to blocks with this size and alignment. + */ +struct falcon_spi_device { + int device_id; + unsigned int size; + unsigned int addr_len; + unsigned int munge_address:1; + u8 erase_command; + unsigned int erase_size; + unsigned int block_size; +}; + +static inline bool falcon_spi_present(const struct falcon_spi_device *spi) +{ + return spi->size != 0; +} + +/** * struct falcon_nic_data - Falcon NIC state * @pci_dev2: Secondary function of Falcon A * @board: Board state and functions |