Raspberry Pi specific SPI definitions. More...

#include <bsp/utility.h>
#include <bsp/rpi-gpio.h>

Data Structures
struct	raspberrypi_spi

Macros
#define	RPI_SPICS_LEN_LONG BSP_BIT32(25)

#define	RPI_SPICS_DMA_LEN BSP_BIT32(24)

#define	RPI_SPICS_CSPOL2 BSP_BIT32(23)

#define	RPI_SPICS_CSPOL1 BSP_BIT32(22)

#define	RPI_SPICS_CSPOL0 BSP_BIT32(21)

#define	RPI_SPICS_RXF BSP_BIT32(20)

#define	RPI_SPICS_RXR BSP_BIT32(19)

#define	RPI_SPICS_TXD BSP_BIT32(18)

#define	RPI_SPICS_RXD BSP_BIT32(17)

#define	RPI_SPICS_DONE BSP_BIT32(16)

#define	RPI_SPICS_LEN BSP_BIT32(13)

#define	RPI_SPICS_REN BSP_BIT32(12)

#define	RPI_SPICS_ADCS BSP_BIT32(11)

#define	RPI_SPICS_INTR BSP_BIT32(10)

#define	RPI_SPICS_INTD BSP_BIT32(9)

#define	RPI_SPICS_DMAEN BSP_BIT32(8)

#define	RPI_SPICS_TA BSP_BIT32(7)

#define	RPI_SPICS_CSPOL BSP_BIT32(6)

#define	RPI_SPICS_CLEAR_TX BSP_BIT32(5)

#define	RPI_SPICS_CLEAR_RX BSP_BIT32(4)

#define	RPI_SPICS_CPOL BSP_BIT32(3)

#define	RPI_SPICS_CPHA BSP_BIT32(2)

#define	RPI_SPICS_CS(val) BSP_FLD32(val, 0, 1)

#define	RPI_SPICS_CS_SET(reg, val) BSP_FLD32SET(reg, val, 0, 1)

#define	RPI_SPIFIFO_DATA(val) BSP_FLD32(val, 0, 31)

#define	RPI_SPIFIFO_DATA_GET(reg) BSP_FLD32GET(reg, 0, 31)

#define	RPI_SPIFIFO_DATA_SET(reg, val) BSP_FLD32SET(reg, val, 0, 31)

#define	RPI_SPICLK_CDIV(val) BSP_FLD32(val, 0, 15)

#define	RPI_SPICLK_CDIV_GET(reg) BSP_FLD32GET(reg, 0, 15)

#define	RPI_SPICLK_CDIV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)

#define	RPI_SPIDLEN_LEN(val) BSP_FLD32(val, 0, 15)

#define	RPI_SPIDLEN_LEN_GET(reg) BSP_FLD32GET(reg, 0, 15)

#define	RPI_SPIDLEN_LEN_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)

#define	RPI_SPILTOH_TOH(val) BSP_FLD32(val, 0, 3)

#define	RPI_SPILTOH_TOH_GET(reg) BSP_FLD32GET(reg, 0, 3)

#define	RPI_SPILTOH_TOH_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)

#define	RPI_SPIDC_RPANIC(val) BSP_FLD32(val, 24, 31)

#define	RPI_SPIDC_RPANIC_GET(reg) BSP_FLD32GET(reg, 24, 31)

#define	RPI_SPIDC_RPANIC_SET(reg, val) BSP_FLD32SET(reg, val, 24, 31)

#define	RPI_SPIDC_RDREQ(val) BSP_FLD32(val, 16, 23)

#define	RPI_SPIDC_RDREQ_GET(reg) BSP_FLD32GET(reg, 16, 23)

#define	RPI_SPIDC_RDREQ_SET(reg, val) BSP_FLD32SET(reg, val, 16, 23)

#define	RPI_SPIDC_TPANIC(val) BSP_FLD32(val, 8, 15)

#define	RPI_SPIDC_TPANIC_GET(reg) BSP_FLD32GET(reg, 8, 15)

#define	RPI_SPIDC_TPANIC_SET(reg, val) BSP_FLD32SET(reg, val, 8, 15)

#define	RPI_SPIDC_TDREQ(val) BSP_FLD32(val, 0, 7)

#define	RPI_SPIDC_TDREQ_GET(reg) BSP_FLD32GET(reg, 0, 7)

#define	RPI_SPIDC_TDREQ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)

Enumerations
enum	raspberrypi_spi_device { raspberrypi_SPI0 , raspberrypi_SPI3 , raspberrypi_SPI4 , raspberrypi_SPI5 , raspberrypi_SPI6 }

Functions
rtems_status_code	raspberrypi_spi_init (raspberrypi_spi_device device)
	Register a spi device.

Detailed Description

Raspberry Pi specific SPI definitions.

Function Documentation

◆ raspberrypi_spi_init()

rtems_status_code raspberrypi_spi_init ( raspberrypi_spi_device device )

Register a spi device.

Parameters

device The optional devices are raspberrypi_SPI0, raspberrypi_SPI3, raspberrypi_SPI4, raspberrypi_SPI5, raspberrypi_SPI6.

Return values

RTEMS_SUCCESSFUL	Successfully registered SPI device.
RTEMS_INVALID_NUMBER	This status code indicates that a specified number was invalid.
RTEMS_UNSATISFIED	This status code indicates that the request was not satisfied.

Data Structures

Macros

Enumerations

Functions

Detailed Description

Function Documentation

◆ raspberrypi_spi_init()