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wifi: iwlwifi: read mac step from aux register

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in BZ, the mac step is not updated to the HW REV CSR.
For BZ-I, read it from the CNVI aux register
For BZ-U always take B step.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240204235836.dcc18b533f13.I0a6267fa0a142744bcf7500b45f667b596b492c5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit
2024-02-05 00:06:09 +02:00
committed by Johannes Berg
parent f94c24386d
commit 814cdd7c37
4 changed files with 22 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/intel/iwlwifi/iwl-prph.h
View File

@@ -368,7 +368,11 @@ enum {
WFPM_AUX_CTL_AUX_IF_MAC_OWNER_MSK = 0x80000000,
};
#define CNVI_AUX_MISC_CHIP 0xA200B0
#define CNVI_AUX_MISC_CHIP 0xA200B0
#define CNVI_AUX_MISC_CHIP_MAC_STEP(_val) (((_val) & 0xf000000) >> 24)
#define CNVI_AUX_MISC_CHIP_PROD_TYPE(_val) ((_val) & 0xfff)
#define CNVI_AUX_MISC_CHIP_PROD_TYPE_BZ_U 0x930
#define CNVR_AUX_MISC_CHIP 0xA2B800
#define CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM 0xA29890
#define CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR 0xA29938

2
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
View File

@@ -119,7 +119,7 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
prph_sc_ctrl->version.version = 0;
prph_sc_ctrl->version.mac_id =
cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
cpu_to_le16((u16)trans->hw_rev);
prph_sc_ctrl->version.size = cpu_to_le16(sizeof(*prph_scratch) / 4);
control_flags |= IWL_PRPH_SCRATCH_MTR_MODE;

4
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
View File

@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2017 Intel Deutschland GmbH
* Copyright (C) 2018-2022 Intel Corporation
* Copyright (C) 2018-2023 Intel Corporation
*/
#include "iwl-trans.h"
#include "iwl-fh.h"
@@ -180,7 +180,7 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans,
ctxt_info->version.version = 0;
ctxt_info->version.mac_id =
cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
cpu_to_le16((u16)trans->hw_rev);
/* size is in DWs */
ctxt_info->version.size = cpu_to_le16(sizeof(*ctxt_info) / 4);

14
drivers/net/wireless/intel/iwlwifi/pcie/drv.c
View File

@@ -1155,6 +1155,20 @@ static void get_crf_id(struct iwl_trans *iwl_trans)
iwl_trans->hw_cnv_id =
iwl_read_prph_no_grab(iwl_trans, CNVI_AUX_MISC_CHIP);
/* In BZ, the MAC step must be read from the CNVI aux register */
if (CSR_HW_REV_TYPE(iwl_trans->hw_rev) == IWL_CFG_MAC_TYPE_BZ) {
u8 step = CNVI_AUX_MISC_CHIP_MAC_STEP(iwl_trans->hw_cnv_id);
/* For BZ-U, take B step also when A step is indicated */
if ((CNVI_AUX_MISC_CHIP_PROD_TYPE(iwl_trans->hw_cnv_id) ==
CNVI_AUX_MISC_CHIP_PROD_TYPE_BZ_U) &&
step == SILICON_A_STEP)
step = SILICON_B_STEP;
iwl_trans->hw_rev_step = step;
iwl_trans->hw_rev |= step;
}
/* Read cdb info (also contains the jacket info if needed in the future */
iwl_trans->hw_wfpm_id =
iwl_read_umac_prph_no_grab(iwl_trans, WFPM_OTP_CFG1_ADDR);