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diff --git a/arch/mips/include/asm/octeon/cvmx-spi.h b/arch/mips/include/asm/octeon/cvmx-spi.h
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+/***********************license start***************
+ * Author: Cavium Networks
+ *
+ * Contact: support@caviumnetworks.com
+ * This file is part of the OCTEON SDK
+ *
+ * Copyright (c) 2003-2008 Cavium Networks
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * or visit http://www.gnu.org/licenses/.
+ *
+ * This file may also be available under a different license from Cavium.
+ * Contact Cavium Networks for more information
+ ***********************license end**************************************/
+
+/*
+ *
+ * This file contains defines for the SPI interface
+ */
+#ifndef __CVMX_SPI_H__
+#define __CVMX_SPI_H__
+
+#include "cvmx-gmxx-defs.h"
+
+/* CSR typedefs have been moved to cvmx-csr-*.h */
+
+typedef enum {
+ CVMX_SPI_MODE_UNKNOWN = 0,
+ CVMX_SPI_MODE_TX_HALFPLEX = 1,
+ CVMX_SPI_MODE_RX_HALFPLEX = 2,
+ CVMX_SPI_MODE_DUPLEX = 3
+} cvmx_spi_mode_t;
+
+/** Callbacks structure to customize SPI4 initialization sequence */
+typedef struct {
+ /** Called to reset SPI4 DLL */
+ int (*reset_cb) (int interface, cvmx_spi_mode_t mode);
+
+ /** Called to setup calendar */
+ int (*calendar_setup_cb) (int interface, cvmx_spi_mode_t mode,
+ int num_ports);
+
+ /** Called for Tx and Rx clock detection */
+ int (*clock_detect_cb) (int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+ /** Called to perform link training */
+ int (*training_cb) (int interface, cvmx_spi_mode_t mode, int timeout);
+
+ /** Called for calendar data synchronization */
+ int (*calendar_sync_cb) (int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+ /** Called when interface is up */
+ int (*interface_up_cb) (int interface, cvmx_spi_mode_t mode);
+
+} cvmx_spi_callbacks_t;
+
+/**
+ * Return true if the supplied interface is configured for SPI
+ *
+ * @interface: Interface to check
+ * Returns True if interface is SPI
+ */
+static inline int cvmx_spi_is_spi_interface(int interface)
+{
+ uint64_t gmxState = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
+ return (gmxState & 0x2) && (gmxState & 0x1);
+}
+
+/**
+ * Initialize and start the SPI interface.
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @timeout: Timeout to wait for clock synchronization in seconds
+ * @num_ports: Number of SPI ports to configure
+ *
+ * Returns Zero on success, negative of failure.
+ */
+extern int cvmx_spi_start_interface(int interface, cvmx_spi_mode_t mode,
+ int timeout, int num_ports);
+
+/**
+ * This routine restarts the SPI interface after it has lost synchronization
+ * with its corespondant system.
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @timeout: Timeout to wait for clock synchronization in seconds
+ * Returns Zero on success, negative of failure.
+ */
+extern int cvmx_spi_restart_interface(int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+/**
+ * Return non-zero if the SPI interface has a SPI4000 attached
+ *
+ * @interface: SPI interface the SPI4000 is connected to
+ *
+ * Returns
+ */
+static inline int cvmx_spi4000_is_present(int interface)
+{
+ return 0;
+}
+
+/**
+ * Initialize the SPI4000 for use
+ *
+ * @interface: SPI interface the SPI4000 is connected to
+ */
+static inline int cvmx_spi4000_initialize(int interface)
+{
+ return 0;
+}
+
+/**
+ * Poll all the SPI4000 port and check its speed
+ *
+ * @interface: Interface the SPI4000 is on
+ * @port: Port to poll (0-9)
+ * Returns Status of the port. 0=down. All other values the port is up.
+ */
+static inline union cvmx_gmxx_rxx_rx_inbnd cvmx_spi4000_check_speed(
+ int interface,
+ int port)
+{
+ union cvmx_gmxx_rxx_rx_inbnd r;
+ r.u64 = 0;
+ return r;
+}
+
+/**
+ * Get current SPI4 initialization callbacks
+ *
+ * @callbacks: Pointer to the callbacks structure.to fill
+ *
+ * Returns Pointer to cvmx_spi_callbacks_t structure.
+ */
+extern void cvmx_spi_get_callbacks(cvmx_spi_callbacks_t *callbacks);
+
+/**
+ * Set new SPI4 initialization callbacks
+ *
+ * @new_callbacks: Pointer to an updated callbacks structure.
+ */
+extern void cvmx_spi_set_callbacks(cvmx_spi_callbacks_t *new_callbacks);
+
+/**
+ * Callback to perform SPI4 reset
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode);
+
+/**
+ * Callback to setup calendar and miscellaneous settings before clock
+ * detection
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @num_ports: Number of ports to configure on SPI
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode,
+ int num_ports);
+
+/**
+ * Callback to perform clock detection
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @timeout: Timeout to wait for clock synchronization in seconds
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_clock_detect_cb(int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+/**
+ * Callback to perform link training
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @timeout: Timeout to wait for link to be trained (in seconds)
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+/**
+ * Callback to perform calendar data synchronization
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ * @timeout: Timeout to wait for calendar data in seconds
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_calendar_sync_cb(int interface, cvmx_spi_mode_t mode,
+ int timeout);
+
+/**
+ * Callback to handle interface up
+ *
+ * @interface: The identifier of the packet interface to configure and
+ * use as a SPI interface.
+ * @mode: The operating mode for the SPI interface. The interface
+ * can operate as a full duplex (both Tx and Rx data paths
+ * active) or as a halfplex (either the Tx data path is
+ * active or the Rx data path is active, but not both).
+ *
+ * Returns Zero on success, non-zero error code on failure (will cause
+ * SPI initialization to abort)
+ */
+extern int cvmx_spi_interface_up_cb(int interface, cvmx_spi_mode_t mode);
+
+#endif /* __CVMX_SPI_H__ */