mips: octeon: Add misc cvmx-helper header files

Import misc cvmx-helper header files from 2013 U-Boot. They will be used
by the later added drivers to support PCIe and networking on the MIPS
Octeon II / III platforms.

Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h
new file mode 100644
index 0000000000..6a600a017c
--- /dev/null
+++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * Functions for NPI initialization, configuration,
+ * and monitoring.
+ */
+
+#ifndef __CVMX_HELPER_NPI_H__
+#define __CVMX_HELPER_NPI_H__
+
+/**
+ * @INTERNAL
+ * Probe a NPI interface and determine the number of ports
+ * connected to it. The NPI interface should still be down after
+ * this call.
+ *
+ * @param interface Interface to probe
+ *
+ * @return Number of ports on the interface. Zero to disable.
+ */
+int __cvmx_helper_npi_probe(int interface);
+
+/**
+ * @INTERNAL
+ * Bringup and enable a NPI 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_npi_enable(int xiface);
+
+/**
+ * Sets the number of pipe used by SLI packet output in the variable,
+ * which then later used for setting it up in HW
+ */
+void cvmx_npi_config_set_num_pipes(int num_pipes);
+
+#endif