path: root/sys/contrib/octeon-sdk/cvmx-error-custom.c

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/**
 * @file
 *
 * Prototypes for custom error handler function not handled by the default
 * message display error function.
 *
 * <hr>$Revision: 44252 $<hr>
 */
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-error.h>
#include <asm/octeon/cvmx-error-custom.h>
#include <asm/octeon/cvmx-helper.h>
#include <asm/octeon/cvmx-l2c.h>
#include <asm/octeon/cvmx-pcie.h>
#include <asm/octeon/cvmx-pexp-defs.h>
#include <asm/octeon/cvmx-dfa-defs.h>
#include <asm/octeon/cvmx-gmxx-defs.h>
#include <asm/octeon/cvmx-lmcx-defs.h>
#include <asm/octeon/cvmx-pemx-defs.h>
#define PRINT_ERROR(format, ...) cvmx_safe_printf("ERROR " format, ##__VA_ARGS__)
#else
#include "cvmx.h"
#include "cvmx-error.h"
#include "cvmx-error-custom.h"
#include "cvmx-helper.h"
#include "cvmx-l2c.h"
#include "cvmx-pcie.h"
#include "cvmx-interrupt.h"
#endif

/**
 * @INTERNAL
 * XAUI interfaces need to be reset whenever a local or remote fault
 * is detected. Calling autoconf takes the link through a reset.
 *
 * @param info
 *
 * @return
 */
static int __cvmx_error_handle_gmxx_rxx_int_reg(const struct cvmx_error_info *info)
{
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
    int ipd_port = info->group_index;
    cvmx_helper_link_autoconf(ipd_port);
#endif
    cvmx_write_csr(info->status_addr, info->status_mask);
    return 1;
}

/**
 * @INTERNAL
 * When NPEI_INT_SUM[C0_LDWN] is set, the PCIe block requires a shutdown and
 * initialization to bring the link back up. This handler does this for port 0.
 * Note that config space is not enumerated again, so the devices will still be
 * unusable.
 *
 * @param info
 *
 * @return
 */
static int __cvmx_error_handle_npei_int_sum_c0_ldwn(const struct cvmx_error_info *info)
{
    cvmx_ciu_soft_prst_t ciu_soft_prst;
    PRINT_ERROR("NPEI_INT_SUM[C0_LDWN]: Reset request due to link0 down status.\n");
    ciu_soft_prst.u64 = cvmx_read_csr(CVMX_CIU_SOFT_PRST);
    if (!ciu_soft_prst.s.soft_prst)
    {
        /* Attempt to automatically bring the link back up */
        cvmx_pcie_rc_shutdown(0);
        cvmx_pcie_rc_initialize(0);
    }
    cvmx_write_csr(CVMX_PEXP_NPEI_INT_SUM, cvmx_read_csr(CVMX_PEXP_NPEI_INT_SUM));
    return 1;
}

/**
 * @INTERNAL
 * When NPEI_INT_SUM[C1_LDWN] is set, the PCIe block requires a shutdown and
 * initialization to bring the link back up. This handler does this for port 1.
 * Note that config space is not enumerated again, so the devices will still be
 * unusable.
 *
 * @param info
 *
 * @return
 */
static int __cvmx_error_handle_npei_int_sum_c1_ldwn(const struct cvmx_error_info *info)
{
    cvmx_ciu_soft_prst_t ciu_soft_prst;
    PRINT_ERROR("NPEI_INT_SUM[C1_LDWN]: Reset request due to link1 down status.\n");
    ciu_soft_prst.u64 = cvmx_read_csr(CVMX_CIU_SOFT_PRST1);
    if (!ciu_soft_prst.s.soft_prst)
    {
        /* Attempt to automatically bring the link back up */
        cvmx_pcie_rc_shutdown(1);
        cvmx_pcie_rc_initialize(1);
    }
    cvmx_write_csr(CVMX_PEXP_NPEI_INT_SUM, cvmx_read_csr(CVMX_PEXP_NPEI_INT_SUM));
    return 1;
}

/**
 * @INTERNAL
 * Some errors require more complicated error handing functions than the
 * automatically generated functions in cvmx-error-init-*.c. This function
 * replaces these handers with hand coded functions for these special cases.
 *
 * @return Zero on success, negative on failure.
 */
int __cvmx_error_custom_initialize(void)
{
    if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN63XX))
    {
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_GMXX_RXX_INT_REG(0,0), 1ull<<21 /* rem_fault */,
                            __cvmx_error_handle_gmxx_rxx_int_reg, 0, NULL, NULL);
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_GMXX_RXX_INT_REG(0,0), 1ull<<20 /* loc_fault */,
                            __cvmx_error_handle_gmxx_rxx_int_reg, 0, NULL, NULL);
    }
    if (OCTEON_IS_MODEL(OCTEON_CN56XX))
    {
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_GMXX_RXX_INT_REG(0,1), 1ull<<21 /* rem_fault */,
                            __cvmx_error_handle_gmxx_rxx_int_reg, 0, NULL, NULL);
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_GMXX_RXX_INT_REG(0,1), 1ull<<20 /* loc_fault */,
                            __cvmx_error_handle_gmxx_rxx_int_reg, 0, NULL, NULL);
    }
    if (octeon_has_feature(OCTEON_FEATURE_NPEI))
    {
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_PEXP_NPEI_INT_SUM, 1ull<<59 /* c0_ldwn */,
                            __cvmx_error_handle_npei_int_sum_c0_ldwn, 0, NULL, NULL);
        cvmx_error_change_handler(CVMX_ERROR_REGISTER_IO64,
                            CVMX_PEXP_NPEI_INT_SUM, 1ull<<60 /* c1_ldwn */,
                            __cvmx_error_handle_npei_int_sum_c1_ldwn, 0, NULL, NULL);
    }

    /* CN63XX pass 1.x has a bug where the PCIe config CRS counter does not
        stop. Disable reporting errors from CRS */
    if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X))
    {
        cvmx_error_disable(CVMX_ERROR_REGISTER_IO64, CVMX_PEMX_INT_SUM(0),
            1ull<<12);
        cvmx_error_disable(CVMX_ERROR_REGISTER_IO64, CVMX_PEMX_INT_SUM(0),
            1ull<<13);
        cvmx_error_disable(CVMX_ERROR_REGISTER_IO64, CVMX_PEMX_INT_SUM(1),
            1ull<<12);
        cvmx_error_disable(CVMX_ERROR_REGISTER_IO64, CVMX_PEMX_INT_SUM(1),
            1ull<<13);
    }
    return 0;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_cp2dbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[CP2DBE]: DFA PP-CP2 Double Bit Error Detected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_cp2perr(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[CP2PERR]: PP-CP2 Parity Error Detected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_cp2sbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[CP2SBE]: DFA PP-CP2 Single Bit Error Corrected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_dblovf(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[DBLOVF]: Doorbell Overflow detected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_dtedbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[DTEDBE]: DFA DTE 29b Double Bit Error Detected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_dteperr(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[DTEPERR]: DTE Parity Error Detected\n");
    return 1;
}

/**
 * @INTERNAL
 * DFA_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_dfa_err_dtesbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_DFA_ERR, cvmx_read_csr(CVMX_DFA_ERR));
    PRINT_ERROR("DFA_ERR[DTESBE]: DFA DTE 29b Single Bit Error Corrected\n");
    return 1;
}

/**
 * @INTERNAL
 * L2D_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2d_err_ded_err(const struct cvmx_error_info *info)
{
    cvmx_l2d_err_t derr;
    cvmx_l2d_fadr_t fadr;
    uint64_t syn0 = cvmx_read_csr(CVMX_L2D_FSYN0);
    uint64_t syn1 = cvmx_read_csr(CVMX_L2D_FSYN1);
    derr.u64 = cvmx_read_csr(CVMX_L2D_ERR);
    fadr.u64 = cvmx_read_csr(CVMX_L2D_FADR);

    PRINT_ERROR("L2D_ERR[DED_ERR] ECC double: fadr: 0x%llx, syn0:0x%llx, syn1: 0x%llx\n",
        (unsigned long long)fadr.u64, (unsigned long long)syn0, (unsigned long long)syn1);
    /* Flush the line that had the error */
    cvmx_l2c_flush_line(fadr.s.fset, fadr.s.fadr >> 1);
    cvmx_write_csr(CVMX_L2D_ERR, derr.u64);
    return 1;
}

/**
 * @INTERNAL
 * L2D_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2d_err_sec_err(const struct cvmx_error_info *info)
{
    cvmx_l2d_err_t derr;
    cvmx_l2d_fadr_t fadr;
    uint64_t syn0 = cvmx_read_csr(CVMX_L2D_FSYN0);
    uint64_t syn1 = cvmx_read_csr(CVMX_L2D_FSYN1);
    derr.u64 = cvmx_read_csr(CVMX_L2D_ERR);
    fadr.u64 = cvmx_read_csr(CVMX_L2D_FADR);

    PRINT_ERROR("L2D_ERR[SEC_ERR] ECC single: fadr: 0x%llx, syn0:0x%llx, syn1: 0x%llx\n",
        (unsigned long long)fadr.u64, (unsigned long long)syn0, (unsigned long long)syn1);
    /* Flush the line that had the error */
    cvmx_l2c_flush_line(fadr.s.fset, fadr.s.fadr >> 1);
    cvmx_write_csr(CVMX_L2D_ERR, derr.u64);
    return 1;
}

/**
 * @INTERNAL
 * L2T_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2t_err_ded_err(const struct cvmx_error_info *info)
{
    cvmx_l2t_err_t terr;
    terr.u64 = cvmx_read_csr(CVMX_L2T_ERR);
    cvmx_write_csr(CVMX_L2T_ERR, terr.u64);
    PRINT_ERROR("L2T_ERR[DED_ERR]: double bit:\tfadr: 0x%x, fset: 0x%x, fsyn: 0x%x\n",
                     terr.s.fadr, terr.s.fset, terr.s.fsyn);
    if (!terr.s.fsyn)
    {
        /* Syndrome is zero, which means error was in non-hit line,
            so flush all associations */
        int i;
        int l2_assoc = cvmx_l2c_get_num_assoc();

        for (i = 0; i < l2_assoc; i++)
            cvmx_l2c_flush_line(i, terr.s.fadr);
    }
    else
        cvmx_l2c_flush_line(terr.s.fset, terr.s.fadr);
    return 1;
}

/**
 * @INTERNAL
 * L2T_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2t_err_lckerr2(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_L2T_ERR, cvmx_read_csr(CVMX_L2T_ERR));
    PRINT_ERROR("L2T_ERR[LCKERR2]: HW detected a case where a Rd/Wr Miss from PP#n could not find an available/unlocked set (for replacement).\n");
    return 1;
}

/**
 * @INTERNAL
 * L2T_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2t_err_lckerr(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_L2T_ERR, cvmx_read_csr(CVMX_L2T_ERR));
    PRINT_ERROR("L2T_ERR[LCKERR]: SW attempted to LOCK DOWN the last available set of the INDEX (which is ignored by HW - but reported to SW).\n");
    return 1;
}

/**
 * @INTERNAL
 * L2T_ERR contains R/W1C bits along with R/W bits. This means that it requires
 * special handling instead of the normal __cvmx_error_display() function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_l2t_err_sec_err(const struct cvmx_error_info *info)
{
    cvmx_l2t_err_t terr;
    terr.u64 = cvmx_read_csr(CVMX_L2T_ERR);
    cvmx_write_csr(CVMX_L2T_ERR, terr.u64);
    PRINT_ERROR("L2T_ERR[SEC_ERR]: single bit:\tfadr: 0x%x, fset: 0x%x, fsyn: 0x%x\n",
                 terr.s.fadr, terr.s.fset, terr.s.fsyn);
    if (!terr.s.fsyn)
    {
        /* Syndrome is zero, which means error was in non-hit line,
            so flush all associations */
        int i;
        int l2_assoc = cvmx_l2c_get_num_assoc();

        for (i = 0; i < l2_assoc; i++)
            cvmx_l2c_flush_line(i, terr.s.fadr);
    }
    else
        cvmx_l2c_flush_line(terr.s.fset, terr.s.fadr);
    return 1;
}


/**
 * @INTERNAL
 * LMCX_MEM_CFG0 contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
static int __cvmx_error_handle_lmcx_mem_cfg0(const struct cvmx_error_info *info)
{
    int ddr_controller = info->group_index;
    cvmx_lmcx_mem_cfg0_t mem_cfg0;
    cvmx_lmcx_fadr_t fadr;
    int sec_err;
    int ded_err;

    mem_cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(ddr_controller));
    fadr.u64 = cvmx_read_csr(CVMX_LMCX_FADR(ddr_controller));
    cvmx_write_csr(CVMX_LMCX_MEM_CFG0(ddr_controller),mem_cfg0.u64);

    sec_err = cvmx_dpop(mem_cfg0.s.sec_err);
    ded_err = cvmx_dpop(mem_cfg0.s.ded_err);

    if (ded_err || sec_err)
    {
        PRINT_ERROR("DDR%d ECC: %d Single bit corrections, %d Double bit errors\n"
                     "DDR%d ECC:\tFailing dimm:   %u\n"
                     "DDR%d ECC:\tFailing rank:   %u\n"
                     "DDR%d ECC:\tFailing bank:   %u\n"
                     "DDR%d ECC:\tFailing row:    0x%x\n"
                     "DDR%d ECC:\tFailing column: 0x%x\n",
                     ddr_controller, sec_err, ded_err,
                     ddr_controller, fadr.cn38xx.fdimm,
                     ddr_controller, fadr.cn38xx.fbunk,
                     ddr_controller, fadr.cn38xx.fbank,
                     ddr_controller, fadr.cn38xx.frow,
                     ddr_controller, fadr.cn38xx.fcol);
    }
    return 1;
}

/**
 * @INTERNAL
 * LMCX_MEM_CFG0 contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_lmcx_mem_cfg0_ded_err(const struct cvmx_error_info *info)
{
    return __cvmx_error_handle_lmcx_mem_cfg0(info);
}

/**
 * @INTERNAL
 * LMCX_MEM_CFG0 contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_lmcx_mem_cfg0_sec_err(const struct cvmx_error_info *info)
{
    return __cvmx_error_handle_lmcx_mem_cfg0(info);
}

/**
 * @INTERNAL
 * POW_ECC_ERR contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_pow_ecc_err_dbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_POW_ECC_ERR, cvmx_read_csr(CVMX_POW_ECC_ERR));
    PRINT_ERROR("POW_ECC_ERR[DBE]: POW double bit error\n");
    return 1;
}

/**
 * @INTERNAL
 * POW_ECC_ERR contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_pow_ecc_err_iop(const struct cvmx_error_info *info)
{
    cvmx_pow_ecc_err_t err;
    err.u64 = cvmx_read_csr(CVMX_POW_ECC_ERR);
    cvmx_write_csr(CVMX_POW_ECC_ERR, err.u64);
    if (err.s.iop & (1 << 0))
        PRINT_ERROR("POW_ECC_ERR[IOP0]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH/DESCH/UPD_WQP from PP in NULL_NULL state\n");
    if (err.s.iop & (1 << 1))
        PRINT_ERROR("POW_ECC_ERR[IOP1]: Received SWTAG/SWTAG_DESCH/DESCH/UPD_WQP from PP in NULL state\n");
    if (err.s.iop & (1 << 2))
        PRINT_ERROR("POW_ECC_ERR[IOP2]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH/GET_WORK from PP with pending tag switch to ORDERED or ATOMIC\n");
    if (err.s.iop & (1 << 3))
        PRINT_ERROR("POW_ECC_ERR[IOP3]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH from PP with tag specified as NULL_NULL\n");
    if (err.s.iop & (1 << 4))
        PRINT_ERROR("POW_ECC_ERR[IOP4]: Received SWTAG_FULL/SWTAG_DESCH from PP with tag specified as NULL\n");
    if (err.s.iop & (1 << 5))
        PRINT_ERROR("POW_ECC_ERR[IOP5]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH/DESCH/UPD_WQP/GET_WORK/NULL_RD from PP with GET_WORK pending\n");
    if (err.s.iop & (1 << 6))
        PRINT_ERROR("POW_ECC_ERR[IOP6]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH/DESCH/UPD_WQP/GET_WORK/NULL_RD from PP with NULL_RD pending\n");
    if (err.s.iop & (1 << 7))
        PRINT_ERROR("POW_ECC_ERR[IOP7]: Received CLR_NSCHED from PP with SWTAG_DESCH/DESCH/CLR_NSCHED pending\n");
    if (err.s.iop & (1 << 8))
        PRINT_ERROR("POW_ECC_ERR[IOP8]: Received SWTAG/SWTAG_FULL/SWTAG_DESCH/DESCH/UPD_WQP/GET_WORK/NULL_RD from PP with CLR_NSCHED pending\n");
    if (err.s.iop & (1 << 9))
        PRINT_ERROR("POW_ECC_ERR[IOP9]: Received illegal opcode\n");
    if (err.s.iop & (1 << 10))
        PRINT_ERROR("POW_ECC_ERR[IOP10]: Received ADD_WORK with tag specified as NULL_NULL\n");
    if (err.s.iop & (1 << 11))
        PRINT_ERROR("POW_ECC_ERR[IOP11]: Received DBG load from PP with DBG load pending\n");
    if (err.s.iop & (1 << 12))
        PRINT_ERROR("POW_ECC_ERR[IOP12]: Received CSR load from PP with CSR load pending\n");
    return 1;
}

/**
 * @INTERNAL
 * POW_ECC_ERR contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_pow_ecc_err_rpe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_POW_ECC_ERR, cvmx_read_csr(CVMX_POW_ECC_ERR));
    PRINT_ERROR("POW_ECC_ERR[RPE]: Remote pointer error\n");
    return 1;
}

/**
 * @INTERNAL
 * POW_ECC_ERR contains R/W1C bits along with R/W bits. This means that it
 * requires special handling instead of the normal __cvmx_error_display()
 * function.
 *
 * @param info
 *
 * @return
 */
int __cvmx_error_handle_pow_ecc_err_sbe(const struct cvmx_error_info *info)
{
    cvmx_write_csr(CVMX_POW_ECC_ERR, cvmx_read_csr(CVMX_POW_ECC_ERR));
    PRINT_ERROR("POW_ECC_ERR[SBE]: POW single bit error\n");
    return 1;
}