1 files changed, 81 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-sgmii.h b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-sgmii.h
new file mode 100644
index 000000000..c5110c951
--- /dev/null
+++ b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-helper-sgmii.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * Functions for SGMII initialization, configuration,
+ * and monitoring.
+ */
+
+#ifndef __CVMX_HELPER_SGMII_H__
+#define __CVMX_HELPER_SGMII_H__
+
+/**
+ * @INTERNAL
+ * Probe a SGMII interface and determine the number of ports
+ * connected to it. The SGMII interface should still be down after
+ * this call.
+ *
+ * @param xiface Interface to probe
+ *
+ * @return Number of ports on the interface. Zero to disable.
+ */
+int __cvmx_helper_sgmii_probe(int xiface);
+int __cvmx_helper_sgmii_enumerate(int xiface);
+
+/**
+ * @INTERNAL
+ * Bringup and enable a SGMII interface. After this call packet
+ * I/O should be fully functional. This is called with IPD
+ * enabled but PKO disabled.
+ *
+ * @param xiface Interface to bring up
+ *
+ * @return Zero on success, negative on failure
+ */
+int __cvmx_helper_sgmii_enable(int xiface);
+
+/**
+ * @INTERNAL
+ * Return the link state of an IPD/PKO port as returned by
+ * auto negotiation. The result of this function may not match
+ * Octeon's link config if auto negotiation has changed since
+ * the last call to cvmx_helper_link_set().
+ *
+ * @param ipd_port IPD/PKO port to query
+ *
+ * @return Link state
+ */
+cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port);
+
+/**
+ * @INTERNAL
+ * Configure an IPD/PKO port for the specified link state. This
+ * function does not influence auto negotiation at the PHY level.
+ * The passed link state must always match the link state returned
+ * by cvmx_helper_link_get(). It is normally best to use
+ * cvmx_helper_link_autoconf() instead.
+ *
+ * @param ipd_port  IPD/PKO port to configure
+ * @param link_info The new link state
+ *
+ * @return Zero on success, negative on failure
+ */
+int __cvmx_helper_sgmii_link_set(int ipd_port, cvmx_helper_link_info_t link_info);
+
+/**
+ * @INTERNAL
+ * Configure a port for internal and/or external loopback. Internal loopback
+ * causes packets sent by the port to be received by Octeon. External loopback
+ * causes packets received from the wire to sent out again.
+ *
+ * @param ipd_port IPD/PKO port to loopback.
+ * @param enable_internal
+ *                 Non zero if you want internal loopback
+ * @param enable_external
+ *                 Non zero if you want external loopback
+ *
+ * @return Zero on success, negative on failure.
+ */
+int __cvmx_helper_sgmii_configure_loopback(int ipd_port, int enable_internal, int enable_external);
+
+#endif