contrib/octeon-sdk/cvmx-spi.h

49  * This file contains defines for the SPI interface
80     int (*reset_cb)(int interface, cvmx_spi_mode_t mode);
83     int (*calendar_setup_cb)(int interface, cvmx_spi_mode_t mode, int num_ports);
86     int (*clock_detect_cb)(int interface, cvmx_spi_mode_t mode, int timeout);
89     int (*training_cb)(int interface, cvmx_spi_mode_t mode, int timeout);
92     int (*calendar_sync_cb)(int interface, cvmx_spi_mode_t mode, int timeout);
94     /** Called when interface is up */
95     int (*interface_up_cb)(int interface, cvmx_spi_mode_t mode);
101  * Return true if the supplied interface is configured for SPI
103  * @param interface Interface to check
104  * @return True if interface is SPI
106 static inline int cvmx_spi_is_spi_interface(int interface)
108     uint64_t gmxState = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
113  * Initialize and start the SPI interface.
115  * @param interface The identifier of the packet interface to configure and
116  *                  use as a SPI interface.
117  * @param mode      The operating mode for the SPI interface. The interface
126 extern int cvmx_spi_start_interface(int interface, cvmx_spi_mode_t mode, int timeout, int num_ports);
129  * This routine restarts the SPI interface after it has lost synchronization
132  * @param interface The identifier of the packet interface to configure and
133  *                  use as a SPI interface.
134  * @param mode      The operating mode for the SPI interface. The interface
141 extern int cvmx_spi_restart_interface(int interface, cvmx_spi_mode_t mode, int timeout);
144  * Return non-zero if the SPI interface has a SPI4000 attached
146  * @param interface SPI interface the SPI4000 is connected to
150 extern int cvmx_spi4000_is_present(int interface);
155  * @param interface SPI interface the SPI4000 is connected to
157 extern int cvmx_spi4000_initialize(int interface);
162  * @param interface Interface the SPI4000 is on
166 extern cvmx_gmxx_rxx_rx_inbnd_t cvmx_spi4000_check_speed(int interface, int port);
187  * @param interface The identifier of the packet interface to configure and
188  *                  use as a SPI interface.
189  * @param mode      The operating mode for the SPI interface. The interface
195 extern int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode);
200  * @param interface The identifier of the packet interface to configure and
201  *                  use as a SPI interface.
202  * @param mode      The operating mode for the SPI interface. The interface
210 extern int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode, int num_ports);
215  * @param interface The identifier of the packet interface to configure and
216  *                  use as a SPI interface.
217  * @param mode      The operating mode for the SPI interface. The interface
224 extern int cvmx_spi_clock_detect_cb(int interface, cvmx_spi_mode_t mode, int timeout);
229  * @param interface The identifier of the packet interface to configure and
230  *                  use as a SPI interface.
231  * @param mode      The operating mode for the SPI interface. The interface
238 extern int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode, int timeout);
243  * @param interface The identifier of the packet interface to configure and
244  *                  use as a SPI interface.
245  * @param mode      The operating mode for the SPI interface. The interface
252 extern int cvmx_spi_calendar_sync_cb(int interface, cvmx_spi_mode_t mode, int timeout);
255  * Callback to handle interface up
257  * @param interface The identifier of the packet interface to configure and
258  *                  use as a SPI interface.
259  * @param mode      The operating mode for the SPI interface. The interface
265 extern int cvmx_spi_interface_up_cb(int interface, cvmx_spi_mode_t mode);