diff options
Diffstat (limited to 'drivers/net/sfc/base/siena_nic.c')
| -rw-r--r-- | drivers/net/sfc/base/siena_nic.c | 255 |
1 files changed, 219 insertions, 36 deletions
diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c index fcc8f151..f223c9be 100644 --- a/drivers/net/sfc/base/siena_nic.c +++ b/drivers/net/sfc/base/siena_nic.c @@ -1,31 +1,7 @@ -/* - * Copyright (c) 2009-2016 Solarflare Communications Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. 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. +/* SPDX-License-Identifier: BSD-3-Clause * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are - * those of the authors and should not be interpreted as representing official - * policies, either expressed or implied, of the FreeBSD Project. + * Copyright (c) 2009-2018 Solarflare Communications Inc. + * All rights reserved. */ #include "efx.h" @@ -174,7 +150,7 @@ siena_board_cfg( encp->enc_required_pcie_bandwidth_mbps = 2 * 10000; encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN2; - encp->enc_fw_verified_nvram_update_required = B_FALSE; + encp->enc_nvram_update_verify_result_supported = B_FALSE; return (0); @@ -190,7 +166,9 @@ static __checkReturn efx_rc_t siena_phy_cfg( __in efx_nic_t *enp) { +#if EFSYS_OPT_PHY_STATS efx_nic_cfg_t *encp = &(enp->en_nic_cfg); +#endif /* EFSYS_OPT_PHY_STATS */ efx_rc_t rc; /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ @@ -211,6 +189,77 @@ fail1: return (rc); } +#define SIENA_BIU_MAGIC0 0x01234567 +#define SIENA_BIU_MAGIC1 0xfedcba98 + +static __checkReturn efx_rc_t +siena_nic_biu_test( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + efx_rc_t rc; + + /* + * Write magic values to scratch registers 0 and 1, then + * verify that the values were written correctly. Interleave + * the accesses to ensure that the BIU is not just reading + * back the cached value that was last written. + */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC0); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC1); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); + + EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); + if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC0) { + rc = EIO; + goto fail1; + } + + EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); + if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC1) { + rc = EIO; + goto fail2; + } + + /* + * Perform the same test, with the values swapped. This + * ensures that subsequent tests don't start with the correct + * values already written into the scratch registers. + */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC1); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, SIENA_BIU_MAGIC0); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); + + EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); + if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC1) { + rc = EIO; + goto fail3; + } + + EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); + if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != SIENA_BIU_MAGIC0) { + rc = EIO; + goto fail4; + } + + return (0); + +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t siena_nic_probe( __in efx_nic_t *enp) @@ -225,7 +274,7 @@ siena_nic_probe( EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); /* Test BIU */ - if ((rc = efx_nic_biu_test(enp)) != 0) + if ((rc = siena_nic_biu_test(enp)) != 0) goto fail1; /* Clear the region register */ @@ -455,7 +504,7 @@ siena_nic_unprobe( #if EFSYS_OPT_DIAG -static efx_register_set_t __siena_registers[] = { +static siena_register_set_t __siena_registers[] = { { FR_AZ_ADR_REGION_REG_OFST, 0, 1 }, { FR_CZ_USR_EV_CFG_OFST, 0, 1 }, { FR_AZ_RX_CFG_REG_OFST, 0, 1 }, @@ -487,7 +536,7 @@ static const uint32_t __siena_register_masks[] = { 0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000 }; -static efx_register_set_t __siena_tables[] = { +static siena_register_set_t __siena_tables[] = { { FR_AZ_RX_FILTER_TBL0_OFST, FR_AZ_RX_FILTER_TBL0_STEP, FR_AZ_RX_FILTER_TBL0_ROWS }, { FR_CZ_RX_MAC_FILTER_TBL0_OFST, FR_CZ_RX_MAC_FILTER_TBL0_STEP, @@ -514,10 +563,144 @@ static const uint32_t __siena_table_masks[] = { }; __checkReturn efx_rc_t +siena_nic_test_registers( + __in efx_nic_t *enp, + __in siena_register_set_t *rsp, + __in size_t count) +{ + unsigned int bit; + efx_oword_t original; + efx_oword_t reg; + efx_oword_t buf; + efx_rc_t rc; + + while (count > 0) { + /* This function is only suitable for registers */ + EFSYS_ASSERT(rsp->rows == 1); + + /* bit sweep on and off */ + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &original, + B_TRUE); + for (bit = 0; bit < 128; bit++) { + /* Is this bit in the mask? */ + if (~(rsp->mask.eo_u32[bit >> 5]) & (1 << bit)) + continue; + + /* Test this bit can be set in isolation */ + reg = original; + EFX_AND_OWORD(reg, rsp->mask); + EFX_SET_OWORD_BIT(reg, bit); + + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, ®, + B_TRUE); + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf, + B_TRUE); + + EFX_AND_OWORD(buf, rsp->mask); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail1; + } + + /* Test this bit can be cleared in isolation */ + EFX_OR_OWORD(reg, rsp->mask); + EFX_CLEAR_OWORD_BIT(reg, bit); + + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, ®, + B_TRUE); + EFSYS_BAR_READO(enp->en_esbp, rsp->address, &buf, + B_TRUE); + + EFX_AND_OWORD(buf, rsp->mask); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail2; + } + } + + /* Restore the old value */ + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, &original, + B_TRUE); + + --count; + ++rsp; + } + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + /* Restore the old value */ + EFSYS_BAR_WRITEO(enp->en_esbp, rsp->address, &original, B_TRUE); + + return (rc); +} + + __checkReturn efx_rc_t +siena_nic_test_tables( + __in efx_nic_t *enp, + __in siena_register_set_t *rsp, + __in efx_pattern_type_t pattern, + __in size_t count) +{ + efx_sram_pattern_fn_t func; + unsigned int index; + unsigned int address; + efx_oword_t reg; + efx_oword_t buf; + efx_rc_t rc; + + EFSYS_ASSERT(pattern < EFX_PATTERN_NTYPES); + func = __efx_sram_pattern_fns[pattern]; + + while (count > 0) { + /* Write */ + address = rsp->address; + for (index = 0; index < rsp->rows; ++index) { + func(2 * index + 0, B_FALSE, ®.eo_qword[0]); + func(2 * index + 1, B_FALSE, ®.eo_qword[1]); + EFX_AND_OWORD(reg, rsp->mask); + EFSYS_BAR_WRITEO(enp->en_esbp, address, ®, B_TRUE); + + address += rsp->step; + } + + /* Read */ + address = rsp->address; + for (index = 0; index < rsp->rows; ++index) { + func(2 * index + 0, B_FALSE, ®.eo_qword[0]); + func(2 * index + 1, B_FALSE, ®.eo_qword[1]); + EFX_AND_OWORD(reg, rsp->mask); + EFSYS_BAR_READO(enp->en_esbp, address, &buf, B_TRUE); + if (memcmp(®, &buf, sizeof (reg))) { + rc = EIO; + goto fail1; + } + + address += rsp->step; + } + + ++rsp; + --count; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + + __checkReturn efx_rc_t siena_nic_register_test( __in efx_nic_t *enp) { - efx_register_set_t *rsp; + siena_register_set_t *rsp; const uint32_t *dwordp; unsigned int nitems; unsigned int count; @@ -551,21 +734,21 @@ siena_nic_register_test( rsp->mask.eo_u32[3] = *dwordp++; } - if ((rc = efx_nic_test_registers(enp, __siena_registers, + if ((rc = siena_nic_test_registers(enp, __siena_registers, EFX_ARRAY_SIZE(__siena_registers))) != 0) goto fail1; - if ((rc = efx_nic_test_tables(enp, __siena_tables, + if ((rc = siena_nic_test_tables(enp, __siena_tables, EFX_PATTERN_BYTE_ALTERNATE, EFX_ARRAY_SIZE(__siena_tables))) != 0) goto fail2; - if ((rc = efx_nic_test_tables(enp, __siena_tables, + if ((rc = siena_nic_test_tables(enp, __siena_tables, EFX_PATTERN_BYTE_CHANGING, EFX_ARRAY_SIZE(__siena_tables))) != 0) goto fail3; - if ((rc = efx_nic_test_tables(enp, __siena_tables, + if ((rc = siena_nic_test_tables(enp, __siena_tables, EFX_PATTERN_BIT_SWEEP, EFX_ARRAY_SIZE(__siena_tables))) != 0) goto fail4; |