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path: root/drivers/net/wireless/intel/iwlwifi/iwl-io.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-io.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-io.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.c b/drivers/net/wireless/intel/iwlwifi/iwl-io.c
index 33d42e08d5b8..2517c4ae07ab 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-io.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2003-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2003-2014, 2018-2021 Intel Corporation
* Copyright (C) 2015-2016 Intel Deutschland GmbH
*/
#include <linux/delay.h>
@@ -213,9 +213,12 @@ void iwl_force_nmi(struct iwl_trans *trans)
else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER,
UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER);
- else
+ else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6,
UREG_DOORBELL_TO_ISR6_NMI_BIT);
+ else
+ iwl_write32(trans, CSR_DOORBELL_VECTOR,
+ CSR_DOORBELL_VECTOR_NMI);
}
IWL_EXPORT_SYMBOL(iwl_force_nmi);
@@ -398,6 +401,7 @@ int iwl_dump_fh(struct iwl_trans *trans, char **buf)
int iwl_finish_nic_init(struct iwl_trans *trans,
const struct iwl_cfg_trans_params *cfg_trans)
{
+ u32 poll_ready;
int err;
if (cfg_trans->bisr_workaround) {
@@ -409,7 +413,16 @@ int iwl_finish_nic_init(struct iwl_trans *trans,
* Set "initialization complete" bit to move adapter from
* D0U* --> D0A* (powered-up active) state.
*/
- iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+ if (cfg_trans->device_family >= IWL_DEVICE_FAMILY_BZ) {
+ iwl_set_bit(trans, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
+ CSR_GP_CNTRL_REG_FLAG_MAC_INIT);
+ poll_ready = CSR_GP_CNTRL_REG_FLAG_MAC_STATUS;
+ } else {
+ iwl_set_bit(trans, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+ poll_ready = CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY;
+ }
if (cfg_trans->device_family == IWL_DEVICE_FAMILY_8000)
udelay(2);
@@ -419,10 +432,7 @@ int iwl_finish_nic_init(struct iwl_trans *trans,
* device-internal resources is supported, e.g. iwl_write_prph()
* and accesses to uCode SRAM.
*/
- err = iwl_poll_bit(trans, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
- 25000);
+ err = iwl_poll_bit(trans, CSR_GP_CNTRL, poll_ready, poll_ready, 25000);
if (err < 0)
IWL_DEBUG_INFO(trans, "Failed to wake NIC\n");
@@ -468,5 +478,5 @@ void iwl_trans_sync_nmi_with_addr(struct iwl_trans *trans, u32 inta_addr,
if (interrupts_enabled)
iwl_trans_interrupts(trans, true);
- iwl_trans_fw_error(trans);
+ iwl_trans_fw_error(trans, false);
}