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Current Path: /usr/src/sys/contrib/octeon-sdk

usr / src / sys / contrib / octeon-sdk /

📁 ..
📄 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-errata.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
 *
 * Fixes and workaround for Octeon chip errata. This file
 * contains functions called by cvmx-helper to workaround known
 * chip errata. For the most part, code doesn't need to call
 * these functions directly.
 *
 * <hr>$Revision: 70030 $<hr>
 */
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-helper.h>
#include <asm/octeon/cvmx-helper-jtag.h>
#include <asm/octeon/cvmx-pko.h>
#include <asm/octeon/cvmx-asxx-defs.h>
#include <asm/octeon/cvmx-gmxx-defs.h>
#else
#if !defined(__FreeBSD__) || !defined(_KERNEL)
#include "executive-config.h"
#include "cvmx-config.h"
#endif

#include "cvmx.h"

#include "cvmx-fpa.h"
#include "cvmx-pip.h"
#include "cvmx-pko.h"
#include "cvmx-ipd.h"
#include "cvmx-gmx.h"
#include "cvmx-spi.h"
#include "cvmx-pow.h"
#include "cvmx-sysinfo.h"
#include "cvmx-helper.h"
#include "cvmx-helper-jtag.h"
#endif

#ifdef CVMX_ENABLE_PKO_FUNCTIONS

/**
 * @INTERNAL
 * Function to adjust internal IPD pointer alignments
 *
 * @return 0 on success
 *         !0 on failure
 */
int __cvmx_helper_errata_fix_ipd_ptr_alignment(void)
{
#define FIX_IPD_FIRST_BUFF_PAYLOAD_BYTES     (CVMX_FPA_PACKET_POOL_SIZE-8-CVMX_HELPER_FIRST_MBUFF_SKIP)
#define FIX_IPD_NON_FIRST_BUFF_PAYLOAD_BYTES (CVMX_FPA_PACKET_POOL_SIZE-8-CVMX_HELPER_NOT_FIRST_MBUFF_SKIP)
#define FIX_IPD_OUTPORT 0
#define INTERFACE(port) (port >> 4) /* Ports 0-15 are interface 0, 16-31 are interface 1 */
#define INDEX(port) (port & 0xf)
    uint64_t *p64;
    cvmx_pko_command_word0_t    pko_command;
    cvmx_buf_ptr_t              g_buffer, pkt_buffer;
    cvmx_wqe_t *work;
    int size, num_segs = 0, wqe_pcnt, pkt_pcnt;
    cvmx_gmxx_prtx_cfg_t gmx_cfg;
    int retry_cnt;
    int retry_loop_cnt;
    int i;
    cvmx_helper_link_info_t link_info;

/* Save values for restore at end */
    uint64_t prtx_cfg = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));
    uint64_t tx_ptr_en = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)));
    uint64_t rx_ptr_en = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)));
    uint64_t rxx_jabber = cvmx_read_csr(CVMX_GMXX_RXX_JABBER(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));
    uint64_t frame_max = cvmx_read_csr(CVMX_GMXX_RXX_FRM_MAX(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));

/* Configure port to gig FDX as required for loopback mode */
    cvmx_helper_rgmii_internal_loopback(FIX_IPD_OUTPORT);

/* Disable reception on all ports so if traffic is present it will not interfere. */
    cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), 0);

cvmx_wait(100000000ull);

for (retry_loop_cnt = 0;retry_loop_cnt < 10;retry_loop_cnt++)
    {
        retry_cnt = 100000;
        wqe_pcnt = cvmx_read_csr(CVMX_IPD_PTR_COUNT);
        pkt_pcnt = (wqe_pcnt >> 7) & 0x7f;
        wqe_pcnt &= 0x7f;

num_segs = (2 + pkt_pcnt - wqe_pcnt) & 3;

if (num_segs == 0)
            goto fix_ipd_exit;

num_segs += 1;

size = FIX_IPD_FIRST_BUFF_PAYLOAD_BYTES + ((num_segs-1)*FIX_IPD_NON_FIRST_BUFF_PAYLOAD_BYTES) -
            (FIX_IPD_NON_FIRST_BUFF_PAYLOAD_BYTES / 2);

cvmx_write_csr(CVMX_ASXX_PRT_LOOP(INTERFACE(FIX_IPD_OUTPORT)), 1 << INDEX(FIX_IPD_OUTPORT));
        CVMX_SYNC;

g_buffer.u64 = 0;
        g_buffer.s.addr = cvmx_ptr_to_phys(cvmx_fpa_alloc(CVMX_FPA_WQE_POOL));
        if (g_buffer.s.addr == 0) {
            cvmx_dprintf("WARNING: FIX_IPD_PTR_ALIGNMENT buffer allocation failure.\n");
            goto fix_ipd_exit;
        }

g_buffer.s.pool = CVMX_FPA_WQE_POOL;
        g_buffer.s.size = num_segs;

pkt_buffer.u64 = 0;
        pkt_buffer.s.addr = cvmx_ptr_to_phys(cvmx_fpa_alloc(CVMX_FPA_PACKET_POOL));
        if (pkt_buffer.s.addr == 0) {
            cvmx_dprintf("WARNING: FIX_IPD_PTR_ALIGNMENT buffer allocation failure.\n");
            goto fix_ipd_exit;
        }
        pkt_buffer.s.i = 1;
        pkt_buffer.s.pool = CVMX_FPA_PACKET_POOL;
        pkt_buffer.s.size = FIX_IPD_FIRST_BUFF_PAYLOAD_BYTES;

p64 = (uint64_t*) cvmx_phys_to_ptr(pkt_buffer.s.addr);
        p64[0] = 0xffffffffffff0000ull;
        p64[1] = 0x08004510ull;
        p64[2] = ((uint64_t)(size-14) << 48) | 0x5ae740004000ull;
        p64[3] = 0x3a5fc0a81073c0a8ull;

for (i=0;i<num_segs;i++)
        {
            if (i>0)
                pkt_buffer.s.size = FIX_IPD_NON_FIRST_BUFF_PAYLOAD_BYTES;

if (i==(num_segs-1))
                pkt_buffer.s.i = 0;

*(uint64_t*)cvmx_phys_to_ptr(g_buffer.s.addr + 8*i) = pkt_buffer.u64;
        }

/* Build the PKO command */
        pko_command.u64 = 0;
        pko_command.s.segs = num_segs;
        pko_command.s.total_bytes = size;
        pko_command.s.dontfree = 0;
        pko_command.s.gather = 1;

gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));
        gmx_cfg.s.en = 1;
        cvmx_write_csr(CVMX_GMXX_PRTX_CFG(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), gmx_cfg.u64);
        cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), 1 << INDEX(FIX_IPD_OUTPORT));
        cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), 1 << INDEX(FIX_IPD_OUTPORT));

cvmx_write_csr(CVMX_GMXX_RXX_JABBER(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), 65392-14-4);
        cvmx_write_csr(CVMX_GMXX_RXX_FRM_MAX(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), 65392-14-4);

cvmx_pko_send_packet_prepare(FIX_IPD_OUTPORT, cvmx_pko_get_base_queue(FIX_IPD_OUTPORT), CVMX_PKO_LOCK_CMD_QUEUE);
        cvmx_pko_send_packet_finish(FIX_IPD_OUTPORT, cvmx_pko_get_base_queue(FIX_IPD_OUTPORT), pko_command, g_buffer, CVMX_PKO_LOCK_CMD_QUEUE);

CVMX_SYNC;

do {
            work = cvmx_pow_work_request_sync(CVMX_POW_WAIT);
            retry_cnt--;
        } while ((work == NULL) && (retry_cnt > 0));

if (!retry_cnt)
            cvmx_dprintf("WARNING: FIX_IPD_PTR_ALIGNMENT get_work() timeout occurred.\n");

/* Free packet */
        if (work)
            cvmx_helper_free_packet_data(work);
    }

fix_ipd_exit:

/* Return CSR configs to saved values */
    cvmx_write_csr(CVMX_GMXX_PRTX_CFG(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), prtx_cfg);
    cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), tx_ptr_en);
    cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), rx_ptr_en);
    cvmx_write_csr(CVMX_GMXX_RXX_JABBER(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), rxx_jabber);
    cvmx_write_csr(CVMX_GMXX_RXX_FRM_MAX(INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), frame_max);
    cvmx_write_csr(CVMX_ASXX_PRT_LOOP(INTERFACE(FIX_IPD_OUTPORT)), 0);
    link_info.u64 = 0;  /* Set link to down so autonegotiation will set it up again */
    cvmx_helper_link_set(FIX_IPD_OUTPORT, link_info);

/* Bring the link back up as autonegotiation is not done in user applications. */
    cvmx_helper_link_autoconf(FIX_IPD_OUTPORT);

CVMX_SYNC;
    if (num_segs)
        cvmx_dprintf("WARNING: FIX_IPD_PTR_ALIGNMENT failed.\n");

return(!!num_segs);

}

/**
 * This function needs to be called on all Octeon chips with
 * errata PKI-100.
 *
 * The Size field is 8 too large in WQE and next pointers
 *
 *  The Size field generated by IPD is 8 larger than it should
 *  be. The Size field is <55:40> of both:
 *      - WORD3 in the work queue entry, and
 *      - the next buffer pointer (which precedes the packet data
 *        in each buffer).
 *
 * @param work   Work queue entry to fix
 * @return Zero on success. Negative on failure
 */
int cvmx_helper_fix_ipd_packet_chain(cvmx_wqe_t *work)
{
    uint64_t number_buffers = work->word2.s.bufs;

/* We only need to do this if the work has buffers */
    if (number_buffers)
    {
        cvmx_buf_ptr_t buffer_ptr = work->packet_ptr;
        /* Check for errata PKI-100 */
        if ( (buffer_ptr.s.pool == 0) && (((uint64_t)buffer_ptr.s.size +
                 ((uint64_t)buffer_ptr.s.back << 7) + ((uint64_t)buffer_ptr.s.addr & 0x7F))
                 != (CVMX_FPA_PACKET_POOL_SIZE+8))) {
            /* fix is not needed */
            return 0;
        }
        /* Decrement the work packet pointer */
        buffer_ptr.s.size -= 8;
        work->packet_ptr = buffer_ptr;

/* Now loop through decrementing the size for each additional buffer */
        while (--number_buffers)
        {
            /* Chain pointers are 8 bytes before the data */
            cvmx_buf_ptr_t *ptr = (cvmx_buf_ptr_t*)cvmx_phys_to_ptr(buffer_ptr.s.addr - 8);
            buffer_ptr = *ptr;
            buffer_ptr.s.size -= 8;
            *ptr = buffer_ptr;
        }
    }
    /* Make sure that these write go out before other operations such as FPA frees */
    CVMX_SYNCWS;
    return 0;
}

#endif /* CVMX_ENABLE_PKO_FUNCTIONS */

/**
 * Due to errata G-720, the 2nd order CDR circuit on CN52XX pass
 * 1 doesn't work properly. The following code disables 2nd order
 * CDR for the specified QLM.
 *
 * @param qlm    QLM to disable 2nd order CDR for.
 */
void __cvmx_helper_errata_qlm_disable_2nd_order_cdr(int qlm)
{
    int lane;
    /* Apply the workaround only once. */
    cvmx_ciu_qlm_jtgd_t qlm_jtgd;
    qlm_jtgd.u64 = cvmx_read_csr(CVMX_CIU_QLM_JTGD);
    if (qlm_jtgd.s.select != 0)
        return;

cvmx_helper_qlm_jtag_init();
    /* We need to load all four lanes of the QLM, a total of 1072 bits */
    for (lane=0; lane<4; lane++)
    {
        /* Each lane has 268 bits. We need to set cfg_cdr_incx<67:64>=3 and
            cfg_cdr_secord<77>=1. All other bits are zero. Bits go in LSB
            first, so start off with the zeros for bits <63:0> */
        cvmx_helper_qlm_jtag_shift_zeros(qlm, 63 - 0 + 1);
        /* cfg_cdr_incx<67:64>=3 */
        cvmx_helper_qlm_jtag_shift(qlm, 67 - 64 + 1, 3);
        /* Zeros for bits <76:68> */
        cvmx_helper_qlm_jtag_shift_zeros(qlm, 76 - 68 + 1);
        /* cfg_cdr_secord<77>=1 */
        cvmx_helper_qlm_jtag_shift(qlm, 77 - 77 + 1, 1);
        /* Zeros for bits <267:78> */
        cvmx_helper_qlm_jtag_shift_zeros(qlm, 267 - 78 + 1);
    }
    cvmx_helper_qlm_jtag_update(qlm);
}

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