diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 6dcafd0a3d4b..b7f2f0662b82 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2077,7 +2077,7 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, */ hw_type = CSR_HW_REV_TYPE(fwrt->trans->hw_rev); if (hw_type == IWL_AX210_HW_TYPE) { - u32 prph_val = iwl_read_prph(fwrt->trans, WFPM_OTP_CFG1_ADDR); + u32 prph_val = iwl_read_prph(fwrt->trans, WFPM_OTP_CFG1_ADDR_GEN2); u32 is_jacket = !!(prph_val & WFPM_OTP_CFG1_IS_JACKET_BIT); u32 is_cdb = !!(prph_val & WFPM_OTP_CFG1_IS_CDB_BIT); u32 masked_bits = is_jacket | (is_cdb << 1); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index 521ca2bb0e92..9036b32ec765 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -342,10 +342,6 @@ struct iwl_fw_ini_dump_cfg_name { #define IWL_AX210_HW_TYPE 0x42 /* How many bits to roll when adding to the HW type of AX210 HW */ #define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12 -/* This prph is used to tell apart HW_TYPE == 0x42 NICs */ -#define WFPM_OTP_CFG1_ADDR 0xd03098 -#define WFPM_OTP_CFG1_IS_JACKET_BIT BIT(4) -#define WFPM_OTP_CFG1_IS_CDB_BIT BIT(5) /* struct iwl_fw_ini_dump_info - ini dump information * @version: dump version diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h index d0a7d58336a9..48213d61bac7 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h @@ -347,6 +347,12 @@ #define RADIO_REG_SYS_MANUAL_DFT_0 0xAD4078 #define RFIC_REG_RD 0xAD0470 #define WFPM_CTRL_REG 0xA03030 +#define WFPM_CTRL_REG_GEN2 0xd03030 +#define WFPM_OTP_CFG1_ADDR 0x00a03098 +#define WFPM_OTP_CFG1_ADDR_GEN2 0x00d03098 +#define WFPM_OTP_CFG1_IS_JACKET_BIT BIT(4) +#define WFPM_OTP_CFG1_IS_CDB_BIT BIT(5) + #define WFPM_GP2 0xA030B4 /* DBGI SRAM Register details */ @@ -399,10 +405,39 @@ enum { LMPM_PAGE_PASS_NOTIF_POS = BIT(20), }; +/* + * CRF ID register + * + * type: bits 0-11 + * reserved: bits 12-18 + * slave_exist: bit 19 + * dash: bits 20-23 + * step: bits 24-26 + * flavor: bits 27-31 + */ +#define REG_CRF_ID_TYPE(val) (((val) & 0x00000FFF) >> 0) +#define REG_CRF_ID_SLAVE(val) (((val) & 0x00080000) >> 19) +#define REG_CRF_ID_DASH(val) (((val) & 0x00F00000) >> 20) +#define REG_CRF_ID_STEP(val) (((val) & 0x07000000) >> 24) +#define REG_CRF_ID_FLAVOR(val) (((val) & 0xF8000000) >> 27) + #define UREG_CHICK (0xA05C00) #define UREG_CHICK_MSI_ENABLE BIT(24) #define UREG_CHICK_MSIX_ENABLE BIT(25) +#define SD_REG_VER 0xa29600 +#define SD_REG_VER_GEN2 0x00a2b800 + +#define REG_CRF_ID_TYPE_JF_1 0x201 +#define REG_CRF_ID_TYPE_JF_2 0x202 +#define REG_CRF_ID_TYPE_HR_CDB 0x503 +#define REG_CRF_ID_TYPE_HR_NONE_CDB 0x504 +#define REG_CRF_ID_TYPE_HR_NONE_CDB_1X1 0x501 +#define REG_CRF_ID_TYPE_HR_NONE_CDB_CCP 0x532 +#define REG_CRF_ID_TYPE_GF 0x410 +#define REG_CRF_ID_TYPE_GF_TC 0xF08 +#define REG_CRF_ID_TYPE_MR 0x810 + #define HPM_DEBUG 0xA03440 #define PERSISTENCE_BIT BIT(12) #define PREG_WFPM_ACCESS BIT(12) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 3b974388d834..1a009bb047cd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1191,6 +1191,92 @@ static const struct iwl_dev_info iwl_dev_info_table[] = { #endif /* CONFIG_IWLMVM */ }; +/* + * In case that there is no OTP on the NIC, get the rf id and cdb info + * from the prph registers. + */ +static int get_crf_id(struct iwl_trans *iwl_trans) +{ + int ret = 0; + u32 wfpm_ctrl_addr; + u32 wfpm_otp_cfg_addr; + u32 sd_reg_ver_addr; + u32 cdb = 0; + u32 val; + + if (iwl_trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + wfpm_ctrl_addr = WFPM_CTRL_REG_GEN2; + wfpm_otp_cfg_addr = WFPM_OTP_CFG1_ADDR_GEN2; + sd_reg_ver_addr = SD_REG_VER_GEN2; + /* Qu/Pu families have other addresses */ + } else { + wfpm_ctrl_addr = WFPM_CTRL_REG; + wfpm_otp_cfg_addr = WFPM_OTP_CFG1_ADDR; + sd_reg_ver_addr = SD_REG_VER; + } + + if (!iwl_trans_grab_nic_access(iwl_trans)) { + IWL_ERR(iwl_trans, "Failed to grab nic access before reading crf id\n"); + ret = -EIO; + goto out; + } + + /* Enable access to peripheral registers */ + val = iwl_read_umac_prph_no_grab(iwl_trans, wfpm_ctrl_addr); + val |= ENABLE_WFPM; + iwl_write_umac_prph_no_grab(iwl_trans, wfpm_ctrl_addr, val); + + /* Read crf info */ + val = iwl_read_prph_no_grab(iwl_trans, sd_reg_ver_addr); + + /* Read cdb info (also contains the jacket info if needed in the future */ + cdb = iwl_read_umac_prph_no_grab(iwl_trans, wfpm_otp_cfg_addr); + + /* Map between crf id to rf id */ + switch (REG_CRF_ID_TYPE(val)) { + case REG_CRF_ID_TYPE_JF_1: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_JF1 << 12); + break; + case REG_CRF_ID_TYPE_JF_2: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_JF2 << 12); + break; + case REG_CRF_ID_TYPE_HR_NONE_CDB: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_HR1 << 12); + break; + case REG_CRF_ID_TYPE_HR_CDB: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_HR2 << 12); + break; + case REG_CRF_ID_TYPE_GF: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_GF << 12); + break; + case REG_CRF_ID_TYPE_MR: + iwl_trans->hw_rf_id = (IWL_CFG_RF_TYPE_MR << 12); + break; + default: + ret = -EIO; + IWL_ERR(iwl_trans, + "Can find a correct rfid for crf id 0x%x\n", + REG_CRF_ID_TYPE(val)); + goto out_release; + + } + + /* Set CDB capabilities */ + if (cdb & BIT(4)) { + iwl_trans->hw_rf_id += BIT(28); + IWL_INFO(iwl_trans, "Adding cdb to rf id\n"); + } + + IWL_INFO(iwl_trans, "Detected RF 0x%x from crf id 0x%x\n", + iwl_trans->hw_rf_id, REG_CRF_ID_TYPE(val)); + +out_release: + iwl_trans_release_nic_access(iwl_trans); + +out: + return ret; +} + /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 @@ -1224,6 +1310,16 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) iwl_trans->hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID); + /* + * The RF_ID is set to zero in blank OTP so read version to + * extract the RF_ID. + * This is relevant only for family 9000 and up. + */ + if (iwl_trans->trans_cfg->rf_id && + iwl_trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000 && + !CSR_HW_RFID_TYPE(iwl_trans->hw_rf_id) && get_crf_id(iwl_trans)) + goto out_free_trans; + for (i = 0; i < ARRAY_SIZE(iwl_dev_info_table); i++) { const struct iwl_dev_info *dev_info = &iwl_dev_info_table[i]; if ((dev_info->device == (u16)IWL_CFG_ANY ||