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📁 ..
📄 cvmip.h(5.88 KB)
📄 cvmx-abi.h(3.67 KB)
📄 cvmx-access-native.h(26.79 KB)
📄 cvmx-access.h(7.82 KB)
📄 cvmx-address.h(10.26 KB)
📄 cvmx-agl-defs.h(213.66 KB)
📄 cvmx-app-hotplug.c(27.64 KB)
📄 cvmx-app-hotplug.h(5.77 KB)
📄 cvmx-app-init-linux.c(14.29 KB)
📄 cvmx-app-init.c(22.54 KB)
📄 cvmx-app-init.h(19.32 KB)
📄 cvmx-asm.h(39.3 KB)
📄 cvmx-asx0-defs.h(5.19 KB)
📄 cvmx-asxx-defs.h(50.57 KB)
📄 cvmx-atomic.h(21.71 KB)
📄 cvmx-bootloader.h(5.64 KB)
📄 cvmx-bootmem.c(40.91 KB)
📄 cvmx-bootmem.h(18.88 KB)
📄 cvmx-ciu-defs.h(702.5 KB)
📄 cvmx-ciu2-defs.h(487.31 KB)
📄 cvmx-clock.c(4.48 KB)
📄 cvmx-clock.h(4.43 KB)
📄 cvmx-cmd-queue.c(11.84 KB)
📄 cvmx-cmd-queue.h(22 KB)
📄 cvmx-cn3010-evb-hs5.c(6.05 KB)
📄 cvmx-cn3010-evb-hs5.h(2.3 KB)
📄 cvmx-compactflash.c(12.8 KB)
📄 cvmx-compactflash.h(3.05 KB)
📄 cvmx-core.c(5.3 KB)
📄 cvmx-core.h(9.46 KB)
📄 cvmx-coremask.c(4.12 KB)
📄 cvmx-coremask.h(8.11 KB)
📄 cvmx-crypto.c(2.6 KB)
📄 cvmx-crypto.h(2.54 KB)
📄 cvmx-csr-enums.h(8.45 KB)
📄 cvmx-csr-typedefs.h(3.92 KB)
📄 cvmx-csr.h(11.46 KB)
📄 cvmx-dbg-defs.h(6.28 KB)
📄 cvmx-debug-handler.S(7.44 KB)
📄 cvmx-debug-remote.c(3.24 KB)
📄 cvmx-debug-uart.c(7.88 KB)
📄 cvmx-debug.c(55.98 KB)
📄 cvmx-debug.h(22.2 KB)
📄 cvmx-dfa-defs.h(383.08 KB)
📄 cvmx-dfa.c(3.7 KB)
📄 cvmx-dfa.h(34.87 KB)
📄 cvmx-dfm-defs.h(205.93 KB)
📄 cvmx-dma-engine.c(20.25 KB)
📄 cvmx-dma-engine.h(24.06 KB)
📄 cvmx-dpi-defs.h(107.61 KB)
📄 cvmx-ebt3000.c(3.82 KB)
📄 cvmx-ebt3000.h(2.25 KB)
📄 cvmx-endor-defs.h(311.42 KB)
📄 cvmx-eoi-defs.h(26.27 KB)
📄 cvmx-fau.h(20.31 KB)
📄 cvmx-flash.c(22.46 KB)
📄 cvmx-flash.h(3.8 KB)
📄 cvmx-fpa-defs.h(157.78 KB)
📄 cvmx-fpa.c(6.63 KB)
📄 cvmx-fpa.h(10.39 KB)
📄 cvmx-gmx.h(3.07 KB)
📄 cvmx-gmxx-defs.h(505.27 KB)
📄 cvmx-gpio-defs.h(36.89 KB)
📄 cvmx-gpio.h(5.48 KB)
📄 cvmx-helper-board.c(58 KB)
📄 cvmx-helper-board.h(7.82 KB)
📄 cvmx-helper-cfg.c(18.68 KB)
📄 cvmx-helper-cfg.h(8.1 KB)
📄 cvmx-helper-check-defines.h(4.1 KB)
📄 cvmx-helper-errata.c(11.91 KB)
📄 cvmx-helper-errata.h(3.24 KB)
📄 cvmx-helper-fpa.c(8.81 KB)
📄 cvmx-helper-fpa.h(3.21 KB)
📄 cvmx-helper-ilk.c(12.74 KB)
📄 cvmx-helper-ilk.h(3.58 KB)
📄 cvmx-helper-jtag.c(7.05 KB)
📄 cvmx-helper-jtag.h(3.91 KB)
📄 cvmx-helper-loop.c(4.35 KB)
📄 cvmx-helper-loop.h(2.78 KB)
📄 cvmx-helper-npi.c(5.72 KB)
📄 cvmx-helper-npi.h(2.82 KB)
📄 cvmx-helper-rgmii.c(19.12 KB)
📄 cvmx-helper-rgmii.h(4.5 KB)
📄 cvmx-helper-sgmii.c(27.09 KB)
📄 cvmx-helper-sgmii.h(4.3 KB)
📄 cvmx-helper-spi.c(8.4 KB)
📄 cvmx-helper-spi.h(3.68 KB)
📄 cvmx-helper-srio.c(11.58 KB)
📄 cvmx-helper-srio.h(3.6 KB)
📄 cvmx-helper-util.c(25.77 KB)
📄 cvmx-helper-util.h(9.88 KB)
📄 cvmx-helper-xaui.c(16.54 KB)
📄 cvmx-helper-xaui.h(4.29 KB)
📄 cvmx-helper.c(69.71 KB)
📄 cvmx-helper.h(12.7 KB)
📄 cvmx-hfa.c(5.04 KB)
📄 cvmx-hfa.h(10.3 KB)
📄 cvmx-higig.h(23.21 KB)
📄 cvmx-ilk-defs.h(170.31 KB)
📄 cvmx-ilk.c(45.16 KB)
📄 cvmx-ilk.h(5.89 KB)
📄 cvmx-interrupt-handler.S(5.87 KB)
📄 cvmx-interrupt.c(47.42 KB)
📄 cvmx-interrupt.h(8.07 KB)
📄 cvmx-iob-defs.h(89.11 KB)
📄 cvmx-iob1-defs.h(6.8 KB)
📄 cvmx-ipd-defs.h(186.51 KB)
📄 cvmx-ipd.c(12.88 KB)
📄 cvmx-ipd.h(6.3 KB)
📄 cvmx-ixf18201.c(12.8 KB)
📄 cvmx-ixf18201.h(3.54 KB)
📄 cvmx-key-defs.h(11 KB)
📄 cvmx-key.h(3.29 KB)
📄 cvmx-l2c-defs.h(353.27 KB)
📄 cvmx-l2c.c(52.95 KB)
📄 cvmx-l2c.h(19.72 KB)
📄 cvmx-l2d-defs.h(60.71 KB)
📄 cvmx-l2t-defs.h(50.68 KB)
📄 cvmx-led-defs.h(22.68 KB)
📄 cvmx-llm.c(36.51 KB)
📄 cvmx-llm.h(11.72 KB)
📄 cvmx-lmcx-defs.h(532.21 KB)
📄 cvmx-log-arc.S(5.67 KB)
📄 cvmx-log.c(18.26 KB)
📄 cvmx-log.h(4.95 KB)
📁 cvmx-malloc
📄 cvmx-malloc.h(7.2 KB)
📄 cvmx-mdio.h(15.99 KB)
📄 cvmx-mgmt-port.c(36.2 KB)
📄 cvmx-mgmt-port.h(7.23 KB)
📄 cvmx-mio-defs.h(454.14 KB)
📄 cvmx-mixx-defs.h(94.59 KB)
📄 cvmx-mpi-defs.h(33.42 KB)
📄 cvmx-nand.c(76.64 KB)
📄 cvmx-nand.h(26.85 KB)
📄 cvmx-ndf-defs.h(25.53 KB)
📄 cvmx-npei-defs.h(378.19 KB)
📄 cvmx-npi-defs.h(252.36 KB)
📄 cvmx-npi.h(4.69 KB)
📄 cvmx-packet.h(2.94 KB)
📄 cvmx-pci-defs.h(250.53 KB)
📄 cvmx-pci.h(2.37 KB)
📄 cvmx-pcie.c(63 KB)
📄 cvmx-pcie.h(10.08 KB)
📄 cvmx-pcieepx-defs.h(304.49 KB)
📄 cvmx-pciercx-defs.h(284.89 KB)
📄 cvmx-pcm-defs.h(12.34 KB)
📄 cvmx-pcmx-defs.h(46.12 KB)
📄 cvmx-pcsx-defs.h(71.23 KB)
📄 cvmx-pcsxx-defs.h(45.79 KB)
📄 cvmx-pemx-defs.h(68.97 KB)
📄 cvmx-pescx-defs.h(49.92 KB)
📄 cvmx-pexp-defs.h(97.89 KB)
📄 cvmx-pip-defs.h(315.91 KB)
📄 cvmx-pip.h(33.65 KB)
📄 cvmx-pko-defs.h(181.41 KB)
📄 cvmx-pko.c(32 KB)
📄 cvmx-pko.h(31.29 KB)
📄 cvmx-platform.h(7.45 KB)
📄 cvmx-pow-defs.h(93.02 KB)
📄 cvmx-pow.c(32.26 KB)
📄 cvmx-pow.h(100.93 KB)
📄 cvmx-power-throttle.c(7.25 KB)
📄 cvmx-power-throttle.h(3.85 KB)
📄 cvmx-profiler.c(7.81 KB)
📄 cvmx-profiler.h(3.15 KB)
📄 cvmx-qlm-tables.c(35.37 KB)
📄 cvmx-qlm.c(23.41 KB)
📄 cvmx-qlm.h(4.76 KB)
📄 cvmx-rad-defs.h(43.58 KB)
📄 cvmx-raid.c(4.71 KB)
📄 cvmx-raid.h(13.02 KB)
📄 cvmx-resources.config(7.66 KB)
📄 cvmx-rng.h(5.02 KB)
📄 cvmx-rnm-defs.h(13.03 KB)
📄 cvmx-rtc.h(4.21 KB)
📄 cvmx-rwlock.h(5.25 KB)
📄 cvmx-scratch.h(4.76 KB)
📄 cvmx-shared-linux-n32.ld(11.8 KB)
📄 cvmx-shared-linux-o32.ld(10.67 KB)
📄 cvmx-shared-linux.ld(11.77 KB)
📄 cvmx-shmem.c(18.89 KB)
📄 cvmx-shmem.h(4.11 KB)
📄 cvmx-sim-magic.h(5.59 KB)
📄 cvmx-sli-defs.h(312.94 KB)
📄 cvmx-smi-defs.h(4.09 KB)
📄 cvmx-smix-defs.h(21.71 KB)
📄 cvmx-spi.c(24.99 KB)
📄 cvmx-spi.h(10.22 KB)
📄 cvmx-spi4000.c(19.23 KB)
📄 cvmx-spinlock.h(11.73 KB)
📄 cvmx-spx0-defs.h(3.94 KB)
📄 cvmx-spxx-defs.h(62.44 KB)
📄 cvmx-srio.c(63.05 KB)
📄 cvmx-srio.h(26.68 KB)
📄 cvmx-sriomaintx-defs.h(222.52 KB)
📄 cvmx-sriox-defs.h(211.56 KB)
📄 cvmx-srxx-defs.h(14.41 KB)
📄 cvmx-sso-defs.h(87.33 KB)
📄 cvmx-stxx-defs.h(34.02 KB)
📄 cvmx-swap.h(4.11 KB)
📄 cvmx-sysinfo.c(8.78 KB)
📄 cvmx-sysinfo.h(6.45 KB)
📄 cvmx-thunder.c(9.22 KB)
📄 cvmx-thunder.h(4.54 KB)
📄 cvmx-tim-defs.h(58.36 KB)
📄 cvmx-tim.c(10.92 KB)
📄 cvmx-tim.h(12.1 KB)
📄 cvmx-tlb.c(10.12 KB)
📄 cvmx-tlb.h(5.07 KB)
📄 cvmx-tra-defs.h(4.59 KB)
📄 cvmx-tra.c(31.16 KB)
📄 cvmx-tra.h(34.28 KB)
📄 cvmx-trax-defs.h(197.09 KB)
📄 cvmx-twsi.c(16.25 KB)
📄 cvmx-twsi.h(10.22 KB)
📄 cvmx-uahcx-defs.h(181.38 KB)
📄 cvmx-uart.c(5.69 KB)
📄 cvmx-uart.h(4.58 KB)
📄 cvmx-uctlx-defs.h(50.26 KB)
📄 cvmx-usb.c(138.53 KB)
📄 cvmx-usb.h(46.67 KB)
📄 cvmx-usbcx-defs.h(259.23 KB)
📄 cvmx-usbd.c(36.09 KB)
📄 cvmx-usbd.h(9.82 KB)
📄 cvmx-usbnx-defs.h(136.12 KB)
📄 cvmx-utils.h(7.54 KB)
📄 cvmx-version.h(2.23 KB)
📄 cvmx-warn.c(2.75 KB)
📄 cvmx-warn.h(2.43 KB)
📄 cvmx-wqe.h(38.61 KB)
📄 cvmx-zip-defs.h(43.18 KB)
📄 cvmx-zip.c(7.37 KB)
📄 cvmx-zip.h(8.5 KB)
📄 cvmx-zone.c(4.7 KB)
📄 cvmx.h(3.5 KB)
📄 octeon-boot-info.h(8.08 KB)
📄 octeon-feature.c(4.71 KB)
📄 octeon-feature.h(11.94 KB)
📄 octeon-model.c(15.79 KB)
📄 octeon-model.h(16.53 KB)
📄 octeon-pci-console.c(19.73 KB)
📄 octeon-pci-console.h(5.18 KB)

Editing: cvmx-helper-srio.c

/***********************license start***************
 * Copyright (c) 2003-2010  Cavium Inc. (support@cavium.com). All rights
 * reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.

*   * Neither the name of Cavium Inc. nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.

* This Software, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.

* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
 ***********************license end**************************************/

/**
 * @file
 *
 * Functions for SRIO initialization, configuration,
 * and monitoring.
 *
 * <hr>$Revision: 41586 $<hr>
 */
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-config.h>
#include <asm/octeon/cvmx-clock.h>
#include <asm/octeon/cvmx-helper.h>
#include <asm/octeon/cvmx-qlm.h>
#include <asm/octeon/cvmx-srio.h>
#include <asm/octeon/cvmx-pip-defs.h>
#include <asm/octeon/cvmx-sriox-defs.h>
#include <asm/octeon/cvmx-sriomaintx-defs.h>
#include <asm/octeon/cvmx-dpi-defs.h>
#else
#if !defined(__FreeBSD__) || !defined(_KERNEL)
#include "executive-config.h"
#include "cvmx-config.h"
#ifdef CVMX_ENABLE_PKO_FUNCTIONS

#include "cvmx.h"
#include "cvmx-helper.h"
#include "cvmx-srio.h"
#endif
#include "cvmx-qlm.h"
#else
#include "cvmx.h"
#include "cvmx-helper.h"
#include "cvmx-qlm.h"
#include "cvmx-srio.h"
#endif
#endif

#ifdef CVMX_ENABLE_PKO_FUNCTIONS

/**
 * @INTERNAL
 * Probe a SRIO interface and determine the number of ports
 * connected to it. The SRIO 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_srio_probe(int interface)
{
    cvmx_sriox_status_reg_t srio0_status_reg;
    cvmx_sriox_status_reg_t srio1_status_reg;

if (!octeon_has_feature(OCTEON_FEATURE_SRIO))
        return 0;

/* Read MIO_QLMX_CFG CSRs to find SRIO status. */
    if (OCTEON_IS_MODEL(OCTEON_CN66XX))
    {
        int status = cvmx_qlm_get_status(0);
        int srio_port = interface - 4;
        switch(srio_port)
        {
            case 0:  /* 1x4 lane */
                if (status == 4)
                    return 2;
                break;
            case 2:  /* 2x2 lane */
                if (status == 5)
                    return 2;
                break;
            case 1: /* 4x1 long/short */
            case 3: /* 4x1 long/short */
                if (status == 6)
                    return 2;
                break;
        }
        return 0;
    }

srio0_status_reg.u64 = cvmx_read_csr(CVMX_SRIOX_STATUS_REG(0));
    srio1_status_reg.u64 = cvmx_read_csr(CVMX_SRIOX_STATUS_REG(1));
    if (srio0_status_reg.s.srio || srio1_status_reg.s.srio)
        return 2;
    else
        return 0;
}

/**
 * @INTERNAL
 * Bringup and enable SRIO interface. After this call packet
 * I/O should be fully functional. This is called with IPD
 * enabled but PKO disabled.
 *
 * @param interface Interface to bring up
 *
 * @return Zero on success, negative on failure
 */
int __cvmx_helper_srio_enable(int interface)
{
    int num_ports = cvmx_helper_ports_on_interface(interface);
    int index;
    cvmx_sriomaintx_core_enables_t sriomaintx_core_enables;
    cvmx_sriox_imsg_ctrl_t sriox_imsg_ctrl;
    cvmx_sriox_status_reg_t srio_status_reg;
    cvmx_dpi_ctl_t dpi_ctl;
    int srio_port = interface - 4;

/* All SRIO ports have a cvmx_srio_rx_message_header_t header
        on them that must be skipped by IPD */
    for (index=0; index<num_ports; index++)
    {
        cvmx_pip_prt_cfgx_t port_config;
        cvmx_sriox_omsg_portx_t sriox_omsg_portx;
        cvmx_sriox_omsg_sp_mrx_t sriox_omsg_sp_mrx;
        cvmx_sriox_omsg_fmp_mrx_t sriox_omsg_fmp_mrx;
        cvmx_sriox_omsg_nmp_mrx_t sriox_omsg_nmp_mrx;
        int ipd_port = cvmx_helper_get_ipd_port(interface, index);
        port_config.u64 = cvmx_read_csr(CVMX_PIP_PRT_CFGX(ipd_port));
        /* Only change the skip if the user hasn't already set it */
        if (!port_config.s.skip)
        {
            port_config.s.skip = sizeof(cvmx_srio_rx_message_header_t);
            cvmx_write_csr(CVMX_PIP_PRT_CFGX(ipd_port), port_config.u64);
        }

/* Enable TX with PKO */
        sriox_omsg_portx.u64 = cvmx_read_csr(CVMX_SRIOX_OMSG_PORTX(index, srio_port));
        sriox_omsg_portx.s.port = (srio_port) * 2 + index;
        sriox_omsg_portx.s.enable = 1;
        cvmx_write_csr(CVMX_SRIOX_OMSG_PORTX(index, srio_port), sriox_omsg_portx.u64);

/* Allow OMSG controller to send regardless of the state of any other
            controller. Allow messages to different IDs and MBOXes to go in
            parallel */
        sriox_omsg_sp_mrx.u64 = 0;
        sriox_omsg_sp_mrx.s.xmbox_sp = 1;
        sriox_omsg_sp_mrx.s.ctlr_sp = 1;
        sriox_omsg_sp_mrx.s.ctlr_fmp = 1;
        sriox_omsg_sp_mrx.s.ctlr_nmp = 1;
        sriox_omsg_sp_mrx.s.id_sp = 1;
        sriox_omsg_sp_mrx.s.id_fmp = 1;
        sriox_omsg_sp_mrx.s.id_nmp = 1;
        sriox_omsg_sp_mrx.s.mbox_sp = 1;
        sriox_omsg_sp_mrx.s.mbox_fmp = 1;
        sriox_omsg_sp_mrx.s.mbox_nmp = 1;
        sriox_omsg_sp_mrx.s.all_psd = 1;
        cvmx_write_csr(CVMX_SRIOX_OMSG_SP_MRX(index, srio_port), sriox_omsg_sp_mrx.u64);

/* Allow OMSG controller to send regardless of the state of any other
            controller. Allow messages to different IDs and MBOXes to go in
            parallel */
        sriox_omsg_fmp_mrx.u64 = 0;
        sriox_omsg_fmp_mrx.s.ctlr_sp = 1;
        sriox_omsg_fmp_mrx.s.ctlr_fmp = 1;
        sriox_omsg_fmp_mrx.s.ctlr_nmp = 1;
        sriox_omsg_fmp_mrx.s.id_sp = 1;
        sriox_omsg_fmp_mrx.s.id_fmp = 1;
        sriox_omsg_fmp_mrx.s.id_nmp = 1;
        sriox_omsg_fmp_mrx.s.mbox_sp = 1;
        sriox_omsg_fmp_mrx.s.mbox_fmp = 1;
        sriox_omsg_fmp_mrx.s.mbox_nmp = 1;
        sriox_omsg_fmp_mrx.s.all_psd = 1;
        cvmx_write_csr(CVMX_SRIOX_OMSG_FMP_MRX(index, srio_port), sriox_omsg_fmp_mrx.u64);

/* Once the first part of a message is accepted, always acept the rest
            of the message */
        sriox_omsg_nmp_mrx.u64 = 0;
        sriox_omsg_nmp_mrx.s.all_sp = 1;
        sriox_omsg_nmp_mrx.s.all_fmp = 1;
        sriox_omsg_nmp_mrx.s.all_nmp = 1;
        cvmx_write_csr(CVMX_SRIOX_OMSG_NMP_MRX(index, srio_port), sriox_omsg_nmp_mrx.u64);

}

/* Choose the receive controller based on the mailbox */
    sriox_imsg_ctrl.u64 = cvmx_read_csr(CVMX_SRIOX_IMSG_CTRL(srio_port));
    sriox_imsg_ctrl.s.prt_sel = 0;
    sriox_imsg_ctrl.s.mbox = 0xa;
    cvmx_write_csr(CVMX_SRIOX_IMSG_CTRL(srio_port), sriox_imsg_ctrl.u64);

/* DPI must be enabled for us to RX messages */
    dpi_ctl.u64 = cvmx_read_csr(CVMX_DPI_CTL);
    dpi_ctl.s.clk = 1;
    dpi_ctl.s.en = 1;
    cvmx_write_csr(CVMX_DPI_CTL, dpi_ctl.u64);

/* Make sure register access is allowed */
    srio_status_reg.u64 = cvmx_read_csr(CVMX_SRIOX_STATUS_REG(srio_port));
    if (!srio_status_reg.s.access)
        return 0;

/* Enable RX */
    if (!cvmx_srio_config_read32(srio_port, 0, -1, 0, 0,
        CVMX_SRIOMAINTX_CORE_ENABLES(srio_port), &sriomaintx_core_enables.u32))
    {
        sriomaintx_core_enables.s.imsg0 = 1;
        sriomaintx_core_enables.s.imsg1 = 1;
        cvmx_srio_config_write32(srio_port, 0, -1, 0, 0,
            CVMX_SRIOMAINTX_CORE_ENABLES(srio_port), sriomaintx_core_enables.u32);
    }

return 0;
}

/**
 * @INTERNAL
 * Return the link state of an IPD/PKO port as returned by SRIO link status.
 *
 * @param ipd_port IPD/PKO port to query
 *
 * @return Link state
 */
cvmx_helper_link_info_t __cvmx_helper_srio_link_get(int ipd_port)
{
    int interface = cvmx_helper_get_interface_num(ipd_port);
    int srio_port = interface - 4;
    cvmx_helper_link_info_t result;
    cvmx_sriox_status_reg_t srio_status_reg;
    cvmx_sriomaintx_port_0_err_stat_t sriomaintx_port_0_err_stat;
    cvmx_sriomaintx_port_0_ctl_t sriomaintx_port_0_ctl;
    cvmx_sriomaintx_port_0_ctl2_t sriomaintx_port_0_ctl2;

result.u64 = 0;

/* Make sure register access is allowed */
    srio_status_reg.u64 = cvmx_read_csr(CVMX_SRIOX_STATUS_REG(srio_port));
    if (!srio_status_reg.s.access)
        return result;

/* Read the port link status */
    if (cvmx_srio_config_read32(srio_port, 0, -1, 0, 0,
        CVMX_SRIOMAINTX_PORT_0_ERR_STAT(srio_port),
        &sriomaintx_port_0_err_stat.u32))
        return result;

/* Return if link is down */
    if (!sriomaintx_port_0_err_stat.s.pt_ok)
        return result;

/* Read the port link width and speed */
    if (cvmx_srio_config_read32(srio_port, 0, -1, 0, 0,
        CVMX_SRIOMAINTX_PORT_0_CTL(srio_port),
        &sriomaintx_port_0_ctl.u32))
        return result;
    if (cvmx_srio_config_read32(srio_port, 0, -1, 0, 0,
        CVMX_SRIOMAINTX_PORT_0_CTL2(srio_port),
        &sriomaintx_port_0_ctl2.u32))
        return result;

/* Link is up */
    result.s.full_duplex = 1;
    result.s.link_up = 1;
    switch (sriomaintx_port_0_ctl2.s.sel_baud)
    {
        case 1:
            result.s.speed = 1250;
            break;
        case 2:
            result.s.speed = 2500;
            break;
        case 3:
            result.s.speed = 3125;
            break;
        case 4:
            result.s.speed = 5000;
            break;
        case 5:
            result.s.speed = 6250;
            break;
        default:
            result.s.speed = 0;
            break;
    }
    switch (sriomaintx_port_0_ctl.s.it_width)
    {
        case 2: /* Four lanes */
            result.s.speed += 40000;
            break;
        case 3: /* Two lanes */
            result.s.speed += 20000;
            break;
        default: /* One lane */
            result.s.speed += 10000;
            break;
    }
    return result;
}

/**
 * @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_srio_link_set(int ipd_port, cvmx_helper_link_info_t link_info)
{
    return 0;
}

#endif /* CVMX_ENABLE_PKO_FUNCTIONS */

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