diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index f7bbd12193f..1d793c093f1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -93,6 +93,13 @@ static int iwl5000_apm_init(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX); + /* Set FH wait treshold to maximum (HW error during stress W/A) */ + iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); + + /* enable HAP INTA to move device L1a -> L0s */ + iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); + iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL); /* set "initialization complete" bit to move adapter @@ -230,6 +237,14 @@ static void iwl5000_nic_config(struct iwl_priv *priv) CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); + /* W/A : NIC is stuck in a reset state after Early PCIe power off + * (PCIe power is lost before PERST# is asserted), + * causing ME FW to lose ownership and not being able to obtain it back. + */ + iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, + APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, + ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); + spin_unlock_irqrestore(&priv->lock, flags); } |