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iwlwifi: 8000: fallback to default NVM file

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Set a default NVM in case the userspace specifies a file
that doesn't match the hardware version. This allows not
to change the boot scripts when someone replaces the device
with a newer hardware step.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eran Harary 2015-04-19 10:05:18 +03:00 committed by Emmanuel Grumbach
parent 25870cb750
commit 4fb06283ed
3 changed files with 33 additions and 38 deletions
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46
drivers/net/wireless/iwlwifi/iwl-8000.c
View File

@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 Intel Mobile Communications GmbH
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -32,7 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 Intel Mobile Communications GmbH
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -122,24 +122,26 @@ static const struct iwl_ht_params iwl8000_ht_params = {
.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
};
#define IWL_DEVICE_8000 \
.ucode_api_max = IWL8000_UCODE_API_MAX, \
.ucode_api_ok = IWL8000_UCODE_API_OK, \
.ucode_api_min = IWL8000_UCODE_API_MIN, \
.device_family = IWL_DEVICE_FAMILY_8000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl8000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000, \
.d0i3 = true, \
.non_shared_ant = ANT_A, \
.dccm_offset = IWL8260_DCCM_OFFSET, \
.dccm_len = IWL8260_DCCM_LEN, \
.dccm2_offset = IWL8260_DCCM2_OFFSET, \
.dccm2_len = IWL8260_DCCM2_LEN, \
.smem_offset = IWL8260_SMEM_OFFSET, \
.smem_len = IWL8260_SMEM_LEN
#define IWL_DEVICE_8000 \
.ucode_api_max = IWL8000_UCODE_API_MAX, \
.ucode_api_ok = IWL8000_UCODE_API_OK, \
.ucode_api_min = IWL8000_UCODE_API_MIN, \
.device_family = IWL_DEVICE_FAMILY_8000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl8000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000, \
.d0i3 = true, \
.non_shared_ant = ANT_A, \
.dccm_offset = IWL8260_DCCM_OFFSET, \
.dccm_len = IWL8260_DCCM_LEN, \
.dccm2_offset = IWL8260_DCCM2_OFFSET, \
.dccm2_len = IWL8260_DCCM2_LEN, \
.smem_offset = IWL8260_SMEM_OFFSET, \
.smem_len = IWL8260_SMEM_LEN, \
.default_nvm_file_B_step = DEFAULT_NVM_FILE_FAMILY_8000B, \
.default_nvm_file_C_step = DEFAULT_NVM_FILE_FAMILY_8000C
const struct iwl_cfg iwl8260_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 8260",
@ -177,8 +179,6 @@ const struct iwl_cfg iwl8260_2ac_sdio_cfg = {
.ht_params = &iwl8000_ht_params,
.nvm_ver = IWL8000_NVM_VERSION,
.nvm_calib_ver = IWL8000_TX_POWER_VERSION,
.default_nvm_file_B_step = DEFAULT_NVM_FILE_FAMILY_8000B,
.default_nvm_file_C_step = DEFAULT_NVM_FILE_FAMILY_8000C,
.max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO,
.disable_dummy_notification = true,
.max_ht_ampdu_exponent = MAX_HT_AMPDU_EXPONENT_8260_SDIO,
@ -192,8 +192,6 @@ const struct iwl_cfg iwl4165_2ac_sdio_cfg = {
.ht_params = &iwl8000_ht_params,
.nvm_ver = IWL8000_NVM_VERSION,
.nvm_calib_ver = IWL8000_TX_POWER_VERSION,
.default_nvm_file_B_step = DEFAULT_NVM_FILE_FAMILY_8000B,
.default_nvm_file_C_step = DEFAULT_NVM_FILE_FAMILY_8000C,
.max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO,
.bt_shared_single_ant = true,
.disable_dummy_notification = true,

8
drivers/net/wireless/iwlwifi/mvm/nvm.c
View File

@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -32,7 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -583,9 +583,9 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
kfree(nvm_buffer);
}
/* load external NVM if configured */
/* Only if PNVM selected in the mod param - load external NVM */
if (mvm->nvm_file_name) {
/* read External NVM file - take the default */
/* read External NVM file from the mod param */
ret = iwl_mvm_read_external_nvm(mvm);
if (ret) {
/* choose the nvm_file name according to the

17
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -32,7 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -517,15 +517,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
min_backoff = calc_min_backoff(trans, cfg);
iwl_mvm_tt_initialize(mvm, min_backoff);
/* set the nvm_file_name according to priority */
if (iwlwifi_mod_params.nvm_file) {
if (iwlwifi_mod_params.nvm_file)
mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
} else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
if (CSR_HW_REV_STEP(trans->hw_rev) == SILICON_B_STEP)
mvm->nvm_file_name = mvm->cfg->default_nvm_file_B_step;
else
mvm->nvm_file_name = mvm->cfg->default_nvm_file_C_step;
}
else
IWL_DEBUG_EEPROM(mvm->trans->dev,
"working without external nvm file\n");
if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name,
"not allowing power-up and not having nvm_file\n"))