spi_bit_basher Struct Reference

A bit-bashing SPI bus. More...

#include <spi_bit.h>

Data Fields
struct spi_bus	bus
	SPI bus.
struct bit_basher	basher
	Bit-bashing interface.
int	endianness
	Endianness of data.

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Detailed Description

A bit-bashing SPI bus.

Definition at line 16 of file spi_bit.h.

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Field Documentation

struct spi_bus spi_bit_basher::bus [read]

SPI bus.

Definition at line 18 of file spi_bit.h.

Referenced by ifec_init_eeprom(), init_spi_bit_basher(), natsemi_init_eeprom(), rtl818x_probe(), rtl_init_eeprom(), spi_bit_set_slave_select(), and spi_bit_transfer().

struct bit_basher spi_bit_basher::basher [read]

Bit-bashing interface.

Definition at line 20 of file spi_bit.h.

Referenced by ifec_init_eeprom(), ifec_spi_read_bit(), ifec_spi_write_bit(), init_spi_bit_basher(), natsemi_init_eeprom(), natsemi_spi_read_bit(), natsemi_spi_write_bit(), rtl818x_probe(), rtl818x_spi_read_bit(), rtl818x_spi_write_bit(), rtl_init_eeprom(), rtl_spi_read_bit(), rtl_spi_write_bit(), spi_bit_rw(), spi_bit_set_slave_select(), and spi_bit_transfer().

int spi_bit_basher::endianness

Endianness of data.

SPI commands and addresses are always big-endian (i.e. MSB transmitted first on the wire), but some cards (e.g. natsemi) choose to regard the data stored in the EEPROM as little-endian (i.e. LSB transmitted first on the wire).

Definition at line 29 of file spi_bit.h.

Referenced by natsemi_init_eeprom(), and spi_bit_rw().

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The documentation for this struct was generated from the following file:

• include/gpxe/spi_bit.h