diff options
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 6ea3a096054c..ab1d8d99cbd5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -25,6 +25,17 @@ #define QLC_83XX_OPCODE_TMPL_END 0x0080 #define QLC_83XX_OPCODE_POLL_READ_LIST 0x0100 +/* EPORT control registers */ +#define QLC_83XX_RESET_CONTROL 0x28084E50 +#define QLC_83XX_RESET_REG 0x28084E60 +#define QLC_83XX_RESET_PORT0 0x28084E70 +#define QLC_83XX_RESET_PORT1 0x28084E80 +#define QLC_83XX_RESET_PORT2 0x28084E90 +#define QLC_83XX_RESET_PORT3 0x28084EA0 +#define QLC_83XX_RESET_SRESHIM 0x28084EB0 +#define QLC_83XX_RESET_EPGSHIM 0x28084EC0 +#define QLC_83XX_RESET_ETHERPCS 0x28084ED0 + static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter); static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev); static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter); @@ -1374,6 +1385,19 @@ static void qlcnic_83xx_disable_pause_frames(struct qlcnic_adapter *adapter) qlcnic_83xx_unlock_driver(adapter); } +static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) +{ + QLCWR32(adapter, QLC_83XX_RESET_REG, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT0, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT1, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT2, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT3, 0); + QLCWR32(adapter, QLC_83XX_RESET_SRESHIM, 0); + QLCWR32(adapter, QLC_83XX_RESET_EPGSHIM, 0); + QLCWR32(adapter, QLC_83XX_RESET_ETHERPCS, 0); + QLCWR32(adapter, QLC_83XX_RESET_CONTROL, 1); +} + static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) { u32 heartbeat, peg_status; @@ -1395,6 +1419,7 @@ static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) if (ret) { dev_err(&p_dev->pdev->dev, "firmware hang detected\n"); + qlcnic_83xx_take_eport_out_of_reset(p_dev); qlcnic_83xx_disable_pause_frames(p_dev); peg_status = QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS1); |