diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2019-08-29 23:54:54 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-30 14:02:18 -0700 |
| commit | 9ffbd67734909ca8bb099e62f06387649b43d5a8 (patch) | |
| tree | ca14f4954088bc77f1fc1ce517fa70f0353a88a4 /drivers/net/ethernet/broadcom/bnxt/bnxt.c | |
| parent | 07f83d72d238f5d41b03d6142641129e8a7a0ec4 (diff) | |
bnxt_en: Pre-map the firmware health monitoring registers.
Pre-map the GRC registers for periodic firmware health monitoring.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 825a7f945e51..8ec41d66430e 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6950,6 +6950,33 @@ hwrm_cfa_adv_qcaps_exit: return rc; } +static int bnxt_map_fw_health_regs(struct bnxt *bp) +{ + struct bnxt_fw_health *fw_health = bp->fw_health; + u32 reg_base = 0xffffffff; + int i; + + /* Only pre-map the monitoring GRC registers using window 3 */ + for (i = 0; i < 4; i++) { + u32 reg = fw_health->regs[i]; + + if (BNXT_FW_HEALTH_REG_TYPE(reg) != BNXT_FW_HEALTH_REG_TYPE_GRC) + continue; + if (reg_base == 0xffffffff) + reg_base = reg & BNXT_GRC_BASE_MASK; + if ((reg & BNXT_GRC_BASE_MASK) != reg_base) + return -ERANGE; + fw_health->mapped_regs[i] = BNXT_FW_HEALTH_WIN_BASE + + (reg & BNXT_GRC_OFFSET_MASK); + } + if (reg_base == 0xffffffff) + return 0; + + writel(reg_base, bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + + BNXT_FW_HEALTH_WIN_MAP_OFF); + return 0; +} + static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp) { struct hwrm_error_recovery_qcfg_output *resp = bp->hwrm_cmd_resp_addr; @@ -7013,6 +7040,8 @@ static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp) } err_recovery_out: mutex_unlock(&bp->hwrm_cmd_lock); + if (!rc) + rc = bnxt_map_fw_health_regs(bp); if (rc) bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; return rc; |