From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neftin, Sasha Date: Thu, 16 Jan 2020 13:10:09 +0200 Subject: [Intel-wired-lan] [PATCH v1] e1000e: Add support for Alder Lake In-Reply-To: References: <20200116085323.3027-1-sasha.neftin@intel.com> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 1/16/2020 11:49, Paul Menzel wrote: > Dear Sasha, > > > Thank you for the patch. > > On 2020-01-16 09:53, Sasha Neftin wrote: >> Add devices ID's for the next LOM generations that will be >> available on the next Intel Client platform (Alder Lake) >> This patch provides the initial support for these devices > > Could you please add a datasheet name/version to the commit message > too? This will be published on Intel site. > >> Signed-off-by: Sasha Neftin >> --- >> drivers/net/ethernet/intel/e1000e/ethtool.c | 2 ++ >> drivers/net/ethernet/intel/e1000e/hw.h | 5 +++++ >> drivers/net/ethernet/intel/e1000e/ich8lan.c | 7 +++++++ >> drivers/net/ethernet/intel/e1000e/netdev.c | 10 ++++++++-- >> drivers/net/ethernet/intel/e1000e/ptp.c | 1 + >> 5 files changed, 23 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c >> index adce7e319b9e..9e7881db7859 100644 >> --- a/drivers/net/ethernet/intel/e1000e/ethtool.c >> +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c >> @@ -897,6 +897,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) >> case e1000_pch_cnp: >> /* fall through */ > > Unrelated, but this fall through does not seem to be needed? Agree. Will remove it. > >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> mask |= BIT(18); >> break; >> default: >> @@ -1561,6 +1562,7 @@ static void e1000_loopback_cleanup(struct e1000_adapter *adapter) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> fext_nvm11 = er32(FEXTNVM11); >> fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX; >> ew32(FEXTNVM11, fext_nvm11); >> diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h >> index f556163481cb..a1dbf8df1c70 100644 >> --- a/drivers/net/ethernet/intel/e1000e/hw.h >> +++ b/drivers/net/ethernet/intel/e1000e/hw.h >> @@ -97,6 +97,10 @@ struct e1000_hw; >> #define E1000_DEV_ID_PCH_TGP_I219_LM14 0x15F9 >> #define E1000_DEV_ID_PCH_TGP_I219_V14 0x15FA >> #define E1000_DEV_ID_PCH_TGP_I219_LM15 0x15F4 >> +#define E1000_DEV_ID_PCH_ADP_1219_LM16 0x1A1E >> +#define E1000_DEV_ID_PCH_ADP_1219_V16 0x1A1F >> +#define E1000_DEV_ID_PCH_ADP_1219_LM17 0x1A1C >> +#define E1000_DEV_ID_PCH_ADP_1219_V17 0x1A1D >> >> #define E1000_REVISION_4 4 >> >> @@ -121,6 +125,7 @@ enum e1000_mac_type { >> e1000_pch_spt, >> e1000_pch_cnp, >> e1000_pch_tgp, >> + e1000_pch_adp, >> }; >> >> enum e1000_media_type { >> diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c >> index b4135c50e905..735bf25952fc 100644 >> --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c >> +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c >> @@ -317,6 +317,7 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> if (e1000_phy_is_accessible_pchlan(hw)) >> break; >> >> @@ -460,6 +461,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> /* In case the PHY needs to be in mdio slow mode, >> * set slow mode and try to get the PHY id again. >> */ >> @@ -703,6 +705,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> case e1000_pchlan: >> /* check management mode */ >> mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan; >> @@ -1642,6 +1645,7 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> rc = e1000_init_phy_params_pchlan(hw); >> break; >> default: >> @@ -2095,6 +2099,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; >> break; >> default: >> @@ -3133,6 +3138,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> bank1_offset = nvm->flash_bank_size; >> act_offset = E1000_ICH_NVM_SIG_WORD; >> >> @@ -4077,6 +4083,7 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) >> case e1000_pch_spt: >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> word = NVM_COMPAT; >> valid_csum_mask = NVM_COMPAT_VALID_CSUM; >> break; >> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c >> index 60df6f2663c0..25ad824bb431 100644 >> --- a/drivers/net/ethernet/intel/e1000e/netdev.c >> +++ b/drivers/net/ethernet/intel/e1000e/netdev.c >> @@ -3539,6 +3539,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca) >> break; >> case e1000_pch_cnp: >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) { >> /* Stable 24MHz frequency */ >> incperiod = INCPERIOD_24MHZ; >> @@ -4052,8 +4053,9 @@ void e1000e_reset(struct e1000_adapter *adapter) >> case e1000_pch_cnp: >> /* fall-through */ > > Also not needed? > Agree. Not related, but I will remove. >> case e1000_pch_tgp: >> - fc->refresh_time = 0xFFFF; >> - fc->pause_time = 0xFFFF; >> + case e1000_pch_adp: >> + >> + fc->refresh_time = 0x0400; > > This looks like a functional change for Tiger Lake and above too. Please > separate this out into a commit before, detailing the reasoning in the > commit message. Good catch - thanks Paul. This is my mistake and I will revert the original settings for a flow control. There is no changes. > >> >> if (adapter->netdev->mtu <= ETH_DATA_LEN) { >> fc->high_water = 0x05C20; >> @@ -7764,6 +7766,10 @@ static const struct pci_device_id e1000_pci_tbl[] = { >> { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM14), board_pch_cnp }, >> { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V14), board_pch_cnp }, >> { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM15), board_pch_cnp }, >> + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_1219_LM16), board_pch_cnp }, >> + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_1219_V16), board_pch_cnp }, >> + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_1219_LM17), board_pch_cnp }, >> + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_1219_V17), board_pch_cnp }, >> >> { 0, 0, 0, 0, 0, 0, 0 } /* terminate list */ >> }; >> diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c >> index eaa5a0fb99f0..439fda2f5368 100644 >> --- a/drivers/net/ethernet/intel/e1000e/ptp.c >> +++ b/drivers/net/ethernet/intel/e1000e/ptp.c >> @@ -297,6 +297,7 @@ void e1000e_ptp_init(struct e1000_adapter *adapter) >> case e1000_pch_cnp: >> /* fall-through */ > > Not needed? Could you please add a clean-up before this commit? > Agree. Not related, but I will remove. >> case e1000_pch_tgp: >> + case e1000_pch_adp: >> if ((hw->mac.type < e1000_pch_lpt) || >> (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) { >> adapter->ptp_clock_info.max_adj = 24000000 - 1; > > With all these expanded switch statements, it might be a good idea to refactor > the driver, to have some kind of families (I219(?)), which is used in these > cases. I will consider about this, but this is will a different patch. > > > Kind regards, > > Paul > Thanks Paul for this review - I will address your comments in v2.