iwlwifi: add support of FPGA fw

Load FW according to NIC type,
taking into account simulation, if exists.
This is determined by a prph register.

Signed-off-by: Tzipi Peres <tzipi.peres@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/cfg/a000.c

@@ -75,11 +75,14 @@
 #define IWL_A000_JF_FW_PRE	"iwlwifi-Qu-a0-jf-b0-"
 #define IWL_A000_HR_FW_PRE	"iwlwifi-Qu-a0-hr-a0-"
 #define IWL_A000_HR_CDB_FW_PRE	"iwlwifi-QuIcp-z0-hrcdb-a0-"
+#define IWL_A000_HR_F0_FW_PRE	"iwlwifi-QuQnj-f0-hr-a0-"
 
 #define IWL_A000_HR_MODULE_FIRMWARE(api) \
 	IWL_A000_HR_FW_PRE "-" __stringify(api) ".ucode"
 #define IWL_A000_JF_MODULE_FIRMWARE(api) \
 	IWL_A000_JF_FW_PRE "-" __stringify(api) ".ucode"
+#define IWL_A000_HR_QNJ_MODULE_FIRMWARE(api) \
+	IWL_A000_HR_F0_FW_PRE "-" __stringify(api) ".ucode"
 
 #define NVM_HW_SECTION_NUM_FAMILY_A000		10
 
@@ -168,5 +171,16 @@ const struct iwl_cfg iwla000_2ax_cfg_hr = {
 		.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
 };
 
+const struct iwl_cfg iwla000_2ax_cfg_qnj_hr = {
+		.name = "Intel(R) Dual Band Wireless AX a000",
+		.fw_name_pre = IWL_A000_HR_F0_FW_PRE,
+		IWL_DEVICE_A000,
+		.ht_params = &iwl_a000_ht_params,
+		.nvm_ver = IWL_A000_NVM_VERSION,
+		.nvm_calib_ver = IWL_A000_TX_POWER_VERSION,
+		.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+};
+
 MODULE_FIRMWARE(IWL_A000_HR_MODULE_FIRMWARE(IWL_A000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL_A000_JF_MODULE_FIRMWARE(IWL_A000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_A000_HR_QNJ_MODULE_FIRMWARE(IWL_A000_UCODE_API_MAX));

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -463,6 +463,7 @@ extern const struct iwl_cfg iwla000_2ac_cfg_hr;
 extern const struct iwl_cfg iwla000_2ac_cfg_hr_cdb;
 extern const struct iwl_cfg iwla000_2ac_cfg_jf;
 extern const struct iwl_cfg iwla000_2ax_cfg_hr;
+extern const struct iwl_cfg iwla000_2ax_cfg_qnj_hr;
 #endif /* CONFIG_IWLMVM */
 
 #endif /* __IWL_CONFIG_H__ */

drivers/net/wireless/intel/iwlwifi/iwl-prph.h

@@ -404,6 +404,12 @@ enum aux_misc_master1_en {
 #define SB_CPU_2_STATUS			0xA01E34
 #define UMAG_SB_CPU_1_STATUS		0xA038C0
 #define UMAG_SB_CPU_2_STATUS		0xA038C4
+#define UMAG_GEN_HW_STATUS		0xA038C8
+
+/* For UMAG_GEN_HW_STATUS reg check */
+enum {
+	UMAG_GEN_HW_IS_FPGA = BIT(1),
+};
 
 /* FW chicken bits */
 #define LMPM_CHICK			0xA01FF8

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -3137,7 +3137,18 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
 		iwl_set_bit(trans, CSR_HOST_CHICKEN,
 			    CSR_HOST_CHICKEN_PM_IDLE_SRC_DIS_SB_PME);
 
+#if IS_ENABLED(CONFIG_IWLMVM)
 	trans->hw_rf_id = iwl_read32(trans, CSR_HW_RF_ID);
+	if (trans->hw_rf_id == CSR_HW_RF_ID_TYPE_HR) {
+		u32 hw_status;
+
+		hw_status = iwl_read_prph(trans, UMAG_GEN_HW_STATUS);
+		if (hw_status & UMAG_GEN_HW_IS_FPGA)
+			trans->cfg = &iwla000_2ax_cfg_qnj_hr;
+		else
+			trans->cfg = &iwla000_2ac_cfg_hr;
+	}
+#endif
 
 	iwl_pcie_set_interrupt_capa(pdev, trans);
 	trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;