From e7bc6eabd1c8b3322d7aa4188d5abde8e08aa712 Mon Sep 17 00:00:00 2001 From: Aaron Williams Date: Fri, 11 Dec 2020 17:05:24 +0100 Subject: 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 Signed-off-by: Stefan Roese --- .../mach-octeon/include/mach/cvmx-helper-loop.h | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/mips/mach-octeon/include/mach/cvmx-helper-loop.h (limited to 'arch/mips/mach-octeon/include/mach/cvmx-helper-loop.h') diff --git a/arch/mips/mach-octeon/include/mach/cvmx-helper-loop.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-loop.h new file mode 100644 index 00000000000..defd95551a9 --- /dev/null +++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-loop.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + * + * Functions for LOOP initialization, configuration, + * and monitoring. + */ + +#ifndef __CVMX_HELPER_LOOP_H__ +#define __CVMX_HELPER_LOOP_H__ + +/** + * @INTERNAL + * Probe a LOOP interface and determine the number of ports + * connected to it. The LOOP 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_loop_probe(int xiface); +int __cvmx_helper_loop_enumerate(int xiface); + +/** + * @INTERNAL + * Bringup and enable a LOOP 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_loop_enable(int xiface); + +#endif -- cgit v1.2.3