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https://github.com/AsahiLinux/u-boot
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2b1c0db2fc
Import cvmx-pko.c from 2013 U-Boot. It will be used by the later added drivers to support networking on the MIPS Octeon II / III platforms. Signed-off-by: Aaron Williams <awilliams@marvell.com> Signed-off-by: Stefan Roese <sr@denx.de>
788 lines
21 KiB
C
788 lines
21 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018-2022 Marvell International Ltd.
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*
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* Support library for the hardware Packet Output unit.
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*/
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#include <errno.h>
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#include <log.h>
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#include <time.h>
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#include <linux/delay.h>
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#include <mach/cvmx-regs.h>
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#include <mach/cvmx-csr.h>
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#include <mach/cvmx-bootmem.h>
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#include <mach/octeon-model.h>
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#include <mach/cvmx-fuse.h>
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#include <mach/octeon-feature.h>
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#include <mach/cvmx-qlm.h>
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#include <mach/octeon_qlm.h>
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#include <mach/cvmx-pcie.h>
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#include <mach/cvmx-coremask.h>
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#include <mach/cvmx-agl-defs.h>
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#include <mach/cvmx-bgxx-defs.h>
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#include <mach/cvmx-ciu-defs.h>
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#include <mach/cvmx-gmxx-defs.h>
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#include <mach/cvmx-gserx-defs.h>
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#include <mach/cvmx-ilk-defs.h>
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#include <mach/cvmx-iob-defs.h>
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#include <mach/cvmx-ipd-defs.h>
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#include <mach/cvmx-pcsx-defs.h>
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#include <mach/cvmx-pcsxx-defs.h>
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#include <mach/cvmx-pki-defs.h>
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#include <mach/cvmx-pko-defs.h>
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#include <mach/cvmx-xcv-defs.h>
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#include <mach/cvmx-hwpko.h>
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#include <mach/cvmx-ilk.h>
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#include <mach/cvmx-pki.h>
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#include <mach/cvmx-pko3.h>
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#include <mach/cvmx-pko3-queue.h>
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#include <mach/cvmx-pko3-resources.h>
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#include <mach/cvmx-helper.h>
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#include <mach/cvmx-helper-board.h>
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#include <mach/cvmx-helper-cfg.h>
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#include <mach/cvmx-helper-bgx.h>
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#include <mach/cvmx-helper-cfg.h>
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#include <mach/cvmx-helper-util.h>
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#include <mach/cvmx-helper-pki.h>
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#include <mach/cvmx-helper-pko.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define CVMX_PKO_NQ_PER_PORT_MAX 32
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static cvmx_pko_return_value_t cvmx_pko2_config_port(short ipd_port,
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int base_queue,
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int num_queues,
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const u8 priority[]);
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static const int debug;
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/**
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* Internal state of packet output
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*/
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/*
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* PKO port iterator
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* XXX this macro only works for 68XX
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*/
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#define pko_for_each_port(__p) \
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for (__p = 0; __p < CVMX_HELPER_CFG_MAX_PKO_PORT; __p++) \
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if (__cvmx_helper_cfg_pko_queue_base(__p) != \
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CVMX_HELPER_CFG_INVALID_VALUE)
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/*
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* @INTERNAL
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*
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* Get INT for a port
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*
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* @param interface
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* @param index
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* @return the INT value on success and -1 on error
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*
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* This function is only for CN68XX.
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*/
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static int __cvmx_pko_int(int interface, int index)
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{
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cvmx_helper_cfg_assert(interface < CVMX_HELPER_MAX_IFACE);
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cvmx_helper_cfg_assert(index >= 0);
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switch (interface) {
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case 0:
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cvmx_helper_cfg_assert(index < 4);
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return index;
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case 1:
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cvmx_helper_cfg_assert(index == 0);
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return 4;
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case 2:
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cvmx_helper_cfg_assert(index < 4);
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return index + 8;
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case 3:
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cvmx_helper_cfg_assert(index < 4);
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return index + 0xC;
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case 4:
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cvmx_helper_cfg_assert(index < 4);
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return index + 0x10;
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case 5:
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cvmx_helper_cfg_assert(index < 256);
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return 0x1C;
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case 6:
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cvmx_helper_cfg_assert(index < 256);
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return 0x1D;
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case 7:
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cvmx_helper_cfg_assert(index < 32);
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return 0x1E;
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case 8:
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cvmx_helper_cfg_assert(index < 8);
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return 0x1F;
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}
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return -1;
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}
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int cvmx_pko_get_base_pko_port(int interface, int index)
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{
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE))
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return cvmx_helper_get_ipd_port(interface, index);
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else if (octeon_has_feature(OCTEON_FEATURE_PKND))
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return __cvmx_helper_cfg_pko_port_base(interface, index);
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else
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return cvmx_helper_get_ipd_port(interface, index);
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}
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int cvmx_pko_get_base_queue(int port)
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{
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
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return cvmx_pko3_get_queue_base(port);
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} else if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
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return __cvmx_helper_cfg_pko_queue_base(
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cvmx_helper_cfg_ipd2pko_port_base(port));
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} else {
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if (port < 48)
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return cvmx_pko_queue_table[port].ccppp_queue_base;
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else
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return CVMX_PKO_ILLEGAL_QUEUE;
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}
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}
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int cvmx_pko_get_num_queues(int port)
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{
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
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return cvmx_pko3_get_queue_num(port);
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} else if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
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return __cvmx_helper_cfg_pko_queue_num(
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cvmx_helper_cfg_ipd2pko_port_base(port));
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} else {
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if (port < 48)
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return cvmx_pko_queue_table[port].ccppp_num_queues;
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}
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return 0;
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}
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/*
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* Allocate memory for PKO engines.
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*
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* @param engine is the PKO engine ID.
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* @return # of 2KB-chunks allocated to this PKO engine.
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*/
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static int __cvmx_pko_memory_per_engine_o68(int engine)
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{
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/* CN68XX has 40KB to devide between the engines in 2KB chunks */
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int max_engine;
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int size_per_engine;
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int size;
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max_engine = __cvmx_helper_cfg_pko_max_engine();
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size_per_engine = 40 / 2 / max_engine;
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if (engine >= max_engine)
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/* Unused engines get no space */
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size = 0;
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else if (engine == max_engine - 1)
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/*
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* The last engine gets all the space lost by rounding. This means
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* the ILK gets the most space
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*/
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size = 40 / 2 - engine * size_per_engine;
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else
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/* All other engines get the same space */
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size = size_per_engine;
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return size;
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}
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/*
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* Setup one-to-one mapping between PKO2 iport and eport.
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* @INTERNAL
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*/
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static void __cvmx_pko2_chip_init(void)
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{
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int i;
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int interface, index, port;
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cvmx_helper_interface_mode_t mode;
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union cvmx_pko_mem_iport_ptrs config;
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/*
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* Initialize every iport with the invalid eid.
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*/
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#define CVMX_O68_PKO2_INVALID_EID 31
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config.u64 = 0;
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config.s.eid = CVMX_O68_PKO2_INVALID_EID;
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for (i = 0; i < CVMX_HELPER_CFG_MAX_PKO_PORT; i++) {
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config.s.ipid = i;
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csr_wr(CVMX_PKO_MEM_IPORT_PTRS, config.u64);
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}
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/*
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* Set up PKO_MEM_IPORT_PTRS
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*/
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pko_for_each_port(port) {
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interface = __cvmx_helper_cfg_pko_port_interface(port);
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index = __cvmx_helper_cfg_pko_port_index(port);
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mode = cvmx_helper_interface_get_mode(interface);
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if (mode == CVMX_HELPER_INTERFACE_MODE_DISABLED)
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continue;
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config.s.ipid = port;
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config.s.qos_mask = 0xff;
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config.s.crc = __cvmx_helper_get_has_fcs(interface);
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config.s.min_pkt = __cvmx_helper_get_pko_padding(interface);
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config.s.intr = __cvmx_pko_int(interface, index);
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config.s.eid = __cvmx_helper_cfg_pko_port_eid(port);
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config.s.pipe = (mode == CVMX_HELPER_INTERFACE_MODE_LOOP) ?
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index :
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port;
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csr_wr(CVMX_PKO_MEM_IPORT_PTRS, config.u64);
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}
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}
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int __cvmx_pko_get_pipe(int interface, int index)
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{
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/* The loopback ports do not have pipes */
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if (cvmx_helper_interface_get_mode(interface) ==
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CVMX_HELPER_INTERFACE_MODE_LOOP)
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return -1;
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/* We use pko_port as the pipe. See __cvmx_pko_port_map_o68(). */
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return cvmx_helper_get_pko_port(interface, index);
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}
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static void __cvmx_pko1_chip_init(void)
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{
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int queue;
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union cvmx_pko_mem_queue_ptrs config;
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union cvmx_pko_reg_queue_ptrs1 config1;
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const int port = CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID;
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/* Initialize all queues to connect to port 63 (ILLEGAL_PID) */
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for (queue = 0; queue < CVMX_PKO_MAX_OUTPUT_QUEUES; queue++) {
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config1.u64 = 0;
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config1.s.idx3 = 0;
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config1.s.qid7 = queue >> 7;
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config.u64 = 0;
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config.s.tail = 1;
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config.s.index = 0;
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config.s.port = port;
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config.s.queue = queue;
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config.s.buf_ptr = 0;
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csr_wr(CVMX_PKO_REG_QUEUE_PTRS1, config1.u64);
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csr_wr(CVMX_PKO_MEM_QUEUE_PTRS, config.u64);
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}
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}
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/**
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* Call before any other calls to initialize the packet
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* output system. This does chip global config, and should only be
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* done by one core.
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*/
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void cvmx_pko_hw_init(u8 pool, unsigned int bufsize)
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{
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union cvmx_pko_reg_cmd_buf config;
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union cvmx_iob_fau_timeout fau_to;
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int i;
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if (debug)
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debug("%s: pool=%u bufsz=%u\n", __func__, pool, bufsize);
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/* chip-specific setup. */
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if (OCTEON_IS_MODEL(OCTEON_CN68XX))
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__cvmx_pko2_chip_init();
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else
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__cvmx_pko1_chip_init();
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/*
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* Set the size of the PKO command buffers to an odd number of
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* 64bit words. This allows the normal two word send to stay
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* aligned and never span a command word buffer.
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*/
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config.u64 = 0;
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config.s.pool = pool;
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config.s.size = bufsize / 8 - 1;
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csr_wr(CVMX_PKO_REG_CMD_BUF, config.u64);
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/*
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* Disable tagwait FAU timeout. This needs to be done before
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* anyone might start packet output using tags.
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*/
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fau_to.u64 = 0;
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fau_to.s.tout_val = 0xfff;
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fau_to.s.tout_enb = 0;
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csr_wr(CVMX_IOB_FAU_TIMEOUT, fau_to.u64);
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if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
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union cvmx_pko_reg_min_pkt min_pkt;
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min_pkt.u64 = 0;
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min_pkt.s.size1 = 59;
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min_pkt.s.size2 = 59;
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min_pkt.s.size3 = 59;
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min_pkt.s.size4 = 59;
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min_pkt.s.size5 = 59;
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min_pkt.s.size6 = 59;
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min_pkt.s.size7 = 59;
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csr_wr(CVMX_PKO_REG_MIN_PKT, min_pkt.u64);
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}
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/*
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* If we aren't using all of the queues optimize PKO's
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* internal memory.
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*/
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if (OCTEON_IS_OCTEON2() || OCTEON_IS_MODEL(OCTEON_CN70XX)) {
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int max_queues = __cvmx_helper_cfg_pko_max_queue();
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if (OCTEON_IS_MODEL(OCTEON_CN68XX) && max_queues <= 32)
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csr_wr(CVMX_PKO_REG_QUEUE_MODE, 3);
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else if (max_queues <= 64)
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csr_wr(CVMX_PKO_REG_QUEUE_MODE, 2);
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else if (max_queues <= 128)
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csr_wr(CVMX_PKO_REG_QUEUE_MODE, 1);
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else
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csr_wr(CVMX_PKO_REG_QUEUE_MODE, 0);
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if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
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for (i = 0; i < 2; i++) {
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union cvmx_pko_reg_engine_storagex
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engine_storage;
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#define PKO_ASSIGN_ENGINE_STORAGE(index) \
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engine_storage.s.engine##index = \
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__cvmx_pko_memory_per_engine_o68(16 * i + (index))
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engine_storage.u64 = 0;
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PKO_ASSIGN_ENGINE_STORAGE(0);
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PKO_ASSIGN_ENGINE_STORAGE(1);
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PKO_ASSIGN_ENGINE_STORAGE(2);
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PKO_ASSIGN_ENGINE_STORAGE(3);
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PKO_ASSIGN_ENGINE_STORAGE(4);
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PKO_ASSIGN_ENGINE_STORAGE(5);
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PKO_ASSIGN_ENGINE_STORAGE(6);
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PKO_ASSIGN_ENGINE_STORAGE(7);
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PKO_ASSIGN_ENGINE_STORAGE(8);
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PKO_ASSIGN_ENGINE_STORAGE(9);
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PKO_ASSIGN_ENGINE_STORAGE(10);
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PKO_ASSIGN_ENGINE_STORAGE(11);
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PKO_ASSIGN_ENGINE_STORAGE(12);
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PKO_ASSIGN_ENGINE_STORAGE(13);
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PKO_ASSIGN_ENGINE_STORAGE(14);
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PKO_ASSIGN_ENGINE_STORAGE(15);
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csr_wr(CVMX_PKO_REG_ENGINE_STORAGEX(i),
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engine_storage.u64);
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}
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}
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}
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}
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/**
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* Enables the packet output hardware. It must already be
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* configured.
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*/
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void cvmx_pko_enable(void)
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{
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union cvmx_pko_reg_flags flags;
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flags.u64 = csr_rd(CVMX_PKO_REG_FLAGS);
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if (flags.s.ena_pko)
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debug("Warning: Enabling PKO when PKO already enabled.\n");
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flags.s.ena_dwb = cvmx_helper_cfg_opt_get(CVMX_HELPER_CFG_OPT_USE_DWB);
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flags.s.ena_pko = 1;
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/*
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* always enable big endian for 3-word command. Does nothing
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* for 2-word.
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*/
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flags.s.store_be = 1;
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csr_wr(CVMX_PKO_REG_FLAGS, flags.u64);
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}
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/**
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* Configure a output port and the associated queues for use.
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*
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* @param port Port to configure.
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* @param base_queue First queue number to associate with this port.
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* @param num_queues Number of queues to associate with this port
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* @param priority Array of priority levels for each queue. Values are
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* allowed to be 0-8. A value of 8 get 8 times the traffic
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* of a value of 1. A value of 0 indicates that no rounds
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* will be participated in. These priorities can be changed
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* on the fly while the pko is enabled. A priority of 9
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* indicates that static priority should be used. If static
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* priority is used all queues with static priority must be
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* contiguous starting at the base_queue, and lower numbered
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* queues have higher priority than higher numbered queues.
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* There must be num_queues elements in the array.
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*/
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cvmx_pko_return_value_t cvmx_pko_config_port(int port, int base_queue,
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int num_queues,
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const u8 priority[])
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{
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cvmx_pko_return_value_t result_code;
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int queue;
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union cvmx_pko_mem_queue_ptrs config;
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union cvmx_pko_reg_queue_ptrs1 config1;
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int static_priority_base = -1;
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int static_priority_end = -1;
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int outputbuffer_pool = (int)cvmx_fpa_get_pko_pool();
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u64 outputbuffer_pool_size = cvmx_fpa_get_pko_pool_block_size();
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/* This function is not used for CN68XX */
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if (OCTEON_IS_MODEL(OCTEON_CN68XX))
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return cvmx_pko2_config_port(port, base_queue, num_queues,
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priority);
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if (debug)
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debug("%s: port=%d queue=%d-%d pri %#x %#x %#x %#x\n", __func__,
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port, base_queue, (base_queue + num_queues - 1),
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priority[0], priority[1], priority[2], priority[3]);
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/* The need to handle ILLEGAL_PID port argument
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* is obsolete now, the code here can be simplified.
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*/
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if (port >= CVMX_PKO_NUM_OUTPUT_PORTS &&
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port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
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|
debug("ERROR: %s: Invalid port %llu\n", __func__,
|
|
(unsigned long long)port);
|
|
return CVMX_PKO_INVALID_PORT;
|
|
}
|
|
|
|
if (base_queue + num_queues > CVMX_PKO_MAX_OUTPUT_QUEUES) {
|
|
debug("ERROR: %s: Invalid queue range port = %lld base=%llu numques=%lld\n",
|
|
__func__, (unsigned long long)port,
|
|
(unsigned long long)base_queue,
|
|
(unsigned long long)num_queues);
|
|
return CVMX_PKO_INVALID_QUEUE;
|
|
}
|
|
|
|
if (port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
|
|
/*
|
|
* Validate the static queue priority setup and set
|
|
* static_priority_base and static_priority_end
|
|
* accordingly.
|
|
*/
|
|
for (queue = 0; queue < num_queues; queue++) {
|
|
/* Find first queue of static priority */
|
|
int p_queue = queue % 16;
|
|
|
|
if (static_priority_base == -1 &&
|
|
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY)
|
|
static_priority_base = queue;
|
|
/* Find last queue of static priority */
|
|
if (static_priority_base != -1 &&
|
|
static_priority_end == -1 &&
|
|
priority[p_queue] !=
|
|
CVMX_PKO_QUEUE_STATIC_PRIORITY &&
|
|
queue)
|
|
static_priority_end = queue - 1;
|
|
else if (static_priority_base != -1 &&
|
|
static_priority_end == -1 &&
|
|
queue == num_queues - 1)
|
|
/* all queues're static priority */
|
|
static_priority_end = queue;
|
|
|
|
/*
|
|
* Check to make sure all static priority
|
|
* queues are contiguous. Also catches some
|
|
* cases of static priorites not starting at
|
|
* queue 0.
|
|
*/
|
|
if (static_priority_end != -1 &&
|
|
(int)queue > static_priority_end &&
|
|
priority[p_queue] ==
|
|
CVMX_PKO_QUEUE_STATIC_PRIORITY) {
|
|
debug("ERROR: %s: Static priority queues aren't contiguous or don't start at base queue. q: %d, eq: %d\n",
|
|
__func__, (int)queue, static_priority_end);
|
|
return CVMX_PKO_INVALID_PRIORITY;
|
|
}
|
|
}
|
|
if (static_priority_base > 0) {
|
|
debug("ERROR: %s: Static priority queues don't start at base queue. sq: %d\n",
|
|
__func__, static_priority_base);
|
|
return CVMX_PKO_INVALID_PRIORITY;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* At this point, static_priority_base and static_priority_end
|
|
* are either both -1, or are valid start/end queue numbers
|
|
*/
|
|
|
|
result_code = CVMX_PKO_SUCCESS;
|
|
|
|
for (queue = 0; queue < num_queues; queue++) {
|
|
u64 *buf_ptr = NULL;
|
|
int p_queue = queue % 16;
|
|
|
|
config1.u64 = 0;
|
|
config1.s.idx3 = queue >> 3;
|
|
config1.s.qid7 = (base_queue + queue) >> 7;
|
|
|
|
config.u64 = 0;
|
|
config.s.tail = queue == (num_queues - 1);
|
|
config.s.index = queue;
|
|
config.s.port = port;
|
|
config.s.queue = base_queue + queue;
|
|
|
|
config.s.static_p = static_priority_base >= 0;
|
|
config.s.static_q = (int)queue <= static_priority_end;
|
|
config.s.s_tail = (int)queue == static_priority_end;
|
|
/*
|
|
* Convert the priority into an enable bit field. Try
|
|
* to space the bits out evenly so the packet don't
|
|
* get grouped up.
|
|
*/
|
|
switch ((int)priority[p_queue]) {
|
|
case 0:
|
|
config.s.qos_mask = 0x00;
|
|
break;
|
|
case 1:
|
|
config.s.qos_mask = 0x01;
|
|
break;
|
|
case 2:
|
|
config.s.qos_mask = 0x11;
|
|
break;
|
|
case 3:
|
|
config.s.qos_mask = 0x49;
|
|
break;
|
|
case 4:
|
|
config.s.qos_mask = 0x55;
|
|
break;
|
|
case 5:
|
|
config.s.qos_mask = 0x57;
|
|
break;
|
|
case 6:
|
|
config.s.qos_mask = 0x77;
|
|
break;
|
|
case 7:
|
|
config.s.qos_mask = 0x7f;
|
|
break;
|
|
case 8:
|
|
config.s.qos_mask = 0xff;
|
|
break;
|
|
case CVMX_PKO_QUEUE_STATIC_PRIORITY:
|
|
config.s.qos_mask = 0xff;
|
|
break;
|
|
default:
|
|
debug("ERROR: %s: Invalid priority %llu\n", __func__,
|
|
(unsigned long long)priority[p_queue]);
|
|
config.s.qos_mask = 0xff;
|
|
result_code = CVMX_PKO_INVALID_PRIORITY;
|
|
break;
|
|
}
|
|
|
|
if (port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
|
|
cvmx_cmd_queue_result_t cmd_res;
|
|
|
|
cmd_res = cvmx_cmd_queue_initialize(
|
|
CVMX_CMD_QUEUE_PKO(base_queue + queue),
|
|
CVMX_PKO_MAX_QUEUE_DEPTH, outputbuffer_pool,
|
|
outputbuffer_pool_size -
|
|
CVMX_PKO_COMMAND_BUFFER_SIZE_ADJUST *
|
|
8);
|
|
if (cmd_res != CVMX_CMD_QUEUE_SUCCESS) {
|
|
switch (cmd_res) {
|
|
case CVMX_CMD_QUEUE_NO_MEMORY:
|
|
debug("ERROR: %s: Unable to allocate output buffer\n",
|
|
__func__);
|
|
return CVMX_PKO_NO_MEMORY;
|
|
case CVMX_CMD_QUEUE_ALREADY_SETUP:
|
|
debug("ERROR: %s: Port already setup. port=%d\n",
|
|
__func__, (int)port);
|
|
return CVMX_PKO_PORT_ALREADY_SETUP;
|
|
case CVMX_CMD_QUEUE_INVALID_PARAM:
|
|
default:
|
|
debug("ERROR: %s: Command queue initialization failed.\n",
|
|
__func__);
|
|
return CVMX_PKO_CMD_QUEUE_INIT_ERROR;
|
|
}
|
|
}
|
|
|
|
buf_ptr = (u64 *)cvmx_cmd_queue_buffer(
|
|
CVMX_CMD_QUEUE_PKO(base_queue + queue));
|
|
config.s.buf_ptr = cvmx_ptr_to_phys(buf_ptr);
|
|
} else {
|
|
config.s.buf_ptr = 0;
|
|
}
|
|
|
|
CVMX_SYNCWS;
|
|
|
|
csr_wr(CVMX_PKO_REG_QUEUE_PTRS1, config1.u64);
|
|
csr_wr(CVMX_PKO_MEM_QUEUE_PTRS, config.u64);
|
|
}
|
|
|
|
return result_code;
|
|
}
|
|
|
|
/*
|
|
* Configure queues for an internal port.
|
|
* @INTERNAL
|
|
* @param pko_port PKO internal port number
|
|
* @note this is the PKO2 equivalent to cvmx_pko_config_port()
|
|
*/
|
|
static cvmx_pko_return_value_t cvmx_pko2_config_port(short ipd_port,
|
|
int base_queue,
|
|
int num_queues,
|
|
const u8 priority[])
|
|
{
|
|
int queue, pko_port;
|
|
int static_priority_base;
|
|
int static_priority_end;
|
|
union cvmx_pko_mem_iqueue_ptrs config;
|
|
u64 *buf_ptr = NULL;
|
|
int outputbuffer_pool = (int)cvmx_fpa_get_pko_pool();
|
|
u64 outputbuffer_pool_size = cvmx_fpa_get_pko_pool_block_size();
|
|
|
|
pko_port = cvmx_helper_cfg_ipd2pko_port_base(ipd_port);
|
|
|
|
if (debug)
|
|
debug("%s: ipd_port %d pko_iport %d qbase %d qnum %d\n",
|
|
__func__, ipd_port, pko_port, base_queue, num_queues);
|
|
|
|
static_priority_base = -1;
|
|
static_priority_end = -1;
|
|
|
|
/*
|
|
* static queue priority validation
|
|
*/
|
|
for (queue = 0; queue < num_queues; queue++) {
|
|
int p_queue = queue % 16;
|
|
|
|
if (static_priority_base == -1 &&
|
|
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY)
|
|
static_priority_base = queue;
|
|
|
|
if (static_priority_base != -1 && static_priority_end == -1 &&
|
|
priority[p_queue] != CVMX_PKO_QUEUE_STATIC_PRIORITY &&
|
|
queue)
|
|
static_priority_end = queue - 1;
|
|
else if (static_priority_base != -1 &&
|
|
static_priority_end == -1 && queue == num_queues - 1)
|
|
static_priority_end =
|
|
queue; /* all queues are static priority */
|
|
|
|
/*
|
|
* Check to make sure all static priority queues are contiguous.
|
|
* Also catches some cases of static priorites not starting from
|
|
* queue 0.
|
|
*/
|
|
if (static_priority_end != -1 &&
|
|
(int)queue > static_priority_end &&
|
|
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY) {
|
|
debug("ERROR: %s: Static priority queues aren't contiguous or don't start at base queue. q: %d, eq: %d\n",
|
|
__func__, (int)queue, static_priority_end);
|
|
}
|
|
if (static_priority_base > 0) {
|
|
debug("ERROR: %s: Static priority queues don't start at base queue. sq: %d\n",
|
|
__func__, static_priority_base);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* main loop to set the fields of CVMX_PKO_MEM_IQUEUE_PTRS for
|
|
* each queue
|
|
*/
|
|
for (queue = 0; queue < num_queues; queue++) {
|
|
int p_queue = queue % 8;
|
|
|
|
config.u64 = 0;
|
|
config.s.index = queue;
|
|
config.s.qid = base_queue + queue;
|
|
config.s.ipid = pko_port;
|
|
config.s.tail = (queue == (num_queues - 1));
|
|
config.s.s_tail = (queue == static_priority_end);
|
|
config.s.static_p = (static_priority_base >= 0);
|
|
config.s.static_q = (queue <= static_priority_end);
|
|
|
|
/*
|
|
* Convert the priority into an enable bit field.
|
|
* Try to space the bits out evenly so the packet
|
|
* don't get grouped up.
|
|
*/
|
|
switch ((int)priority[p_queue]) {
|
|
case 0:
|
|
config.s.qos_mask = 0x00;
|
|
break;
|
|
case 1:
|
|
config.s.qos_mask = 0x01;
|
|
break;
|
|
case 2:
|
|
config.s.qos_mask = 0x11;
|
|
break;
|
|
case 3:
|
|
config.s.qos_mask = 0x49;
|
|
break;
|
|
case 4:
|
|
config.s.qos_mask = 0x55;
|
|
break;
|
|
case 5:
|
|
config.s.qos_mask = 0x57;
|
|
break;
|
|
case 6:
|
|
config.s.qos_mask = 0x77;
|
|
break;
|
|
case 7:
|
|
config.s.qos_mask = 0x7f;
|
|
break;
|
|
case 8:
|
|
config.s.qos_mask = 0xff;
|
|
break;
|
|
case CVMX_PKO_QUEUE_STATIC_PRIORITY:
|
|
config.s.qos_mask = 0xff;
|
|
break;
|
|
default:
|
|
debug("ERROR: %s: Invalid priority %llu\n", __func__,
|
|
(unsigned long long)priority[p_queue]);
|
|
config.s.qos_mask = 0xff;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* The command queues
|
|
*/
|
|
{
|
|
cvmx_cmd_queue_result_t cmd_res;
|
|
|
|
cmd_res = cvmx_cmd_queue_initialize(
|
|
CVMX_CMD_QUEUE_PKO(base_queue + queue),
|
|
CVMX_PKO_MAX_QUEUE_DEPTH, outputbuffer_pool,
|
|
(outputbuffer_pool_size -
|
|
CVMX_PKO_COMMAND_BUFFER_SIZE_ADJUST * 8));
|
|
|
|
if (cmd_res != CVMX_CMD_QUEUE_SUCCESS) {
|
|
switch (cmd_res) {
|
|
case CVMX_CMD_QUEUE_NO_MEMORY:
|
|
debug("ERROR: %s: Unable to allocate output buffer\n",
|
|
__func__);
|
|
break;
|
|
case CVMX_CMD_QUEUE_ALREADY_SETUP:
|
|
debug("ERROR: %s: Port already setup\n",
|
|
__func__);
|
|
break;
|
|
case CVMX_CMD_QUEUE_INVALID_PARAM:
|
|
default:
|
|
debug("ERROR: %s: Command queue initialization failed.",
|
|
__func__);
|
|
break;
|
|
}
|
|
debug(" pko_port%d base_queue%d num_queues%d queue%d.\n",
|
|
pko_port, base_queue, num_queues, queue);
|
|
}
|
|
|
|
buf_ptr = (u64 *)cvmx_cmd_queue_buffer(
|
|
CVMX_CMD_QUEUE_PKO(base_queue + queue));
|
|
config.s.buf_ptr = cvmx_ptr_to_phys(buf_ptr) >> 7;
|
|
}
|
|
|
|
CVMX_SYNCWS;
|
|
csr_wr(CVMX_PKO_MEM_IQUEUE_PTRS, config.u64);
|
|
}
|
|
|
|
/* Error detection is resirable here */
|
|
return 0;
|
|
}
|