[net-next,v2,3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib

Message ID	20240517102908.12079-4-SkyLake.Huang@mediatek.com (mailing list archive)
State	New
Headers	show Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> From: Sky Huang <SkyLake.Huang@mediatek.com> To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>, Russell King <linux@armlinux.org.uk>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Daniel Golle <daniel@makrotopia.org>, Qingfang Deng <dqfext@gmail.com>, SkyLake Huang <SkyLake.Huang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org> CC: Steven Liu <Steven.Liu@mediatek.com>, SkyLake.Huang <skylake.huang@mediatek.com> Subject: [PATCH net-next v2 3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib Date: Fri, 17 May 2024 18:29:06 +0800 Message-ID: <20240517102908.12079-4-SkyLake.Huang@mediatek.com> In-Reply-To: <20240517102908.12079-1-SkyLake.Huang@mediatek.com> References: <20240517102908.12079-1-SkyLake.Huang@mediatek.com> MIME-Version: 1.0 Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org
Series	net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support \| expand [net-next,v2,0/5] net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support [net-next,v2,1/5] net: phy: mediatek: Re-organize MediaTek ethernet phy drivers [net-next,v2,2/5] net: phy: mediatek: Move LED and read/write page helper functions into mtk phy lib [net-next,v2,3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib [net-next,v2,4/5] net: phy: mediatek: Extend 1G TX/RX link pulse time [net-next,v2,5/5] net: phy: add driver for built-in 2.5G ethernet PHY on MT7988

diff --git a/drivers/net/phy/mediatek/mtk-ge-soc.c b/drivers/net/phy/mediatek/mtk-ge-soc.c index 534d4e4..8f23137 100644 --- a/drivers/net/phy/mediatek/mtk-ge-soc.c +++ b/drivers/net/phy/mediatek/mtk-ge-soc.c @@ -24,7 +24,78 @@ #define MTK_PHY_SMI_DET_ON_THRESH_MASK GENMASK(13, 8) #define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 -#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 + +/* Registers on Token Ring debug nodes */ +/* ch_addr = 0x0, node_addr = 0x7, data_addr = 0x15 */ +#define NORMAL_MSE_LO_THRESH_MASK GENMASK(15, 8) /* NormMseLoThresh */ + +/* ch_addr = 0x0, node_addr = 0xf, data_addr = 0x3c */ +#define REMOTE_ACK_COUNT_LIMIT_CTRL_MASK GENMASK(2, 1) /* RemAckCntLimitCtrl */ + +/* ch_addr = 0x1, node_addr = 0xd, data_addr = 0x20 */ +#define VCO_SLICER_THRESH_HIGH_MASK GENMASK(23, 0) /* VcoSlicerThreshBitsHigh */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x0 */ +#define DFE_TAIL_EANBLE_VGA_TRHESH_1000 GENMASK(5, 1) /* DfeTailEnableVgaThresh1000 */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x1 */ +#define MRVL_TR_FIX_100KP_MASK GENMASK(22, 20) /* MrvlTrFix100Kp */ +#define MRVL_TR_FIX_100KF_MASK GENMASK(19, 17) /* MrvlTrFix100Kf */ +#define MRVL_TR_FIX_1000KP_MASK GENMASK(16, 14) /* MrvlTrFix1000Kp */ +#define MRVL_TR_FIX_1000KF_MASK GENMASK(13, 11) /* MrvlTrFix1000Kf */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x12 */ +#define VGA_DECIMATION_RATE_MASK GENMASK(8, 5) /* VgaDecRate */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x17 */ +#define SLAVE_DSP_READY_TIME_MASK GENMASK(22, 15) /* SlvDSPreadyTime */ +#define MASTER_DSP_READY_TIME_MASK GENMASK(14, 7) /* MasDSPreadyTime */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x18 */ +#define ENABLE_RANDOM_UPDOWN_COUNTER_TRIGGER BIT(8) /* EnabRandUpdTrig */ + +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x20 */ +#define RESET_SYNC_OFFSET_MASK GENMASK(11, 8) /* ResetSyncOffset */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x0 */ +#define FFE_UPDATE_GAIN_FORCE_VAL_MASK GENMASK(9, 7) /* FfeUpdGainForceVal */ +#define FFE_UPDATE_GAIN_FORCE BIT(6) /* FfeUpdGainForce */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x3 */ +#define TR_FREEZE_MASK GENMASK(11, 0) /* TrFreeze */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x6 */ +/* SS: Steady-state, KP: Proportional Gain */ +#define SS_TR_KP100_MASK GENMASK(21, 19) /* SSTrKp100 */ +#define SS_TR_KF100_MASK GENMASK(18, 16) /* SSTrKf100 */ +#define SS_TR_KP1000_MASTER_MASK GENMASK(15, 13) /* SSTrKp1000Mas */ +#define SS_TR_KF1000_MASTER_MASK GENMASK(12, 10) /* SSTrKf1000Mas */ +#define SS_TR_KP1000_SLAVE_MASK GENMASK(9, 7) /* SSTrKp1000Slv */ +#define SS_TR_KF1000_SLAVE_MASK GENMASK(6, 4) /* SSTrKf1000Slv */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x8 */ +/* clear this bit if wanna select from AFE */ +#define EEE1000_SELECT_SIGNEL_DETECTION_FROM_DFE BIT(4) /* Regsigdet_sel_1000 */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0xd */ +#define EEE1000_STAGE2_TR_KF_MASK GENMASK(13, 11) /* RegEEE_st2TrKf1000 */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0xf */ +#define SLAVE_WAKETR_TIMER_MASK GENMASK(20, 11) /* RegEEE_slv_waketr_timer_tar */ +#define SLAVE_REMTX_TIMER_MASK GENMASK(10, 1) /* RegEEE_slv_remtx_timer_tar */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x10 */ +#define SLAVE_WAKEINT_TIMER_MASK GENMASK(10, 1) /* RegEEE_slv_wake_int_timer_tar */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x14 */ +#define TR_FREEZE_TIMER2_MASK GENMASK(9, 0) /* RegEEE_trfreeze_timer2 */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x1c */ +#define EEE100_LPSYNC_STAGE1_UPDATE_TIMER_MASK GENMASK(8, 0) /* RegEEE100Stg1_tar */ + +/* ch_addr = 0x2, node_addr = 0xd, data_addr = 0x25 */ +#define WAKE_SLAVE_TR_WAIT_DFE_DETECTION_EN BIT(11) /* REGEEE_wake_slv_tr_wait_dfesigdet_en */ + #define ANALOG_INTERNAL_OPERATION_MAX_US 20 #define TXRESERVE_MIN 0 @@ -667,40 +738,34 @@ static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x) static void mt798x_phy_common_finetune(struct phy_device *phydev) { phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); - /* SlvDSPreadyTime = 24, MasDSPreadyTime = 24 */ - __phy_write(phydev, 0x11, 0xc71); - __phy_write(phydev, 0x12, 0xc); - __phy_write(phydev, 0x10, 0x8fae); - - /* EnabRandUpdTrig = 1 */ - __phy_write(phydev, 0x11, 0x2f00); - __phy_write(phydev, 0x12, 0xe); - __phy_write(phydev, 0x10, 0x8fb0); - - /* NormMseLoThresh = 85 */ - __phy_write(phydev, 0x11, 0x55a0); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x83aa); - - /* FfeUpdGainForce = 1(Enable), FfeUpdGainForceVal = 4 */ - __phy_write(phydev, 0x11, 0x240); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x9680); - - /* TrFreeze = 0 (mt7988 default) */ - __phy_write(phydev, 0x11, 0x0); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x9686); - - /* SSTrKp100 = 5 */ - /* SSTrKf100 = 6 */ - /* SSTrKp1000Mas = 5 */ - /* SSTrKf1000Mas = 6 */ - /* SSTrKp1000Slv = 5 */ - /* SSTrKf1000Slv = 6 */ - __phy_write(phydev, 0x11, 0xbaef); - __phy_write(phydev, 0x12, 0x2e); - __phy_write(phydev, 0x10, 0x968c); + __tr_modify(phydev, 0x1, 0xf, 0x17, + SLAVE_DSP_READY_TIME_MASK | MASTER_DSP_READY_TIME_MASK, + FIELD_PREP(SLAVE_DSP_READY_TIME_MASK, 0x18) | + FIELD_PREP(MASTER_DSP_READY_TIME_MASK, 0x18)); + + __tr_set_bits(phydev, 0x1, 0xf, 0x18, ENABLE_RANDOM_UPDOWN_COUNTER_TRIGGER); + + __tr_modify(phydev, 0x0, 0x7, 0x15, + NORMAL_MSE_LO_THRESH_MASK, + FIELD_PREP(NORMAL_MSE_LO_THRESH_MASK, 0x55)); + + __tr_modify(phydev, 0x2, 0xd, 0x0, + FFE_UPDATE_GAIN_FORCE_VAL_MASK, + FIELD_PREP(FFE_UPDATE_GAIN_FORCE_VAL_MASK, 0x4) | FFE_UPDATE_GAIN_FORCE); + + __tr_clr_bits(phydev, 0x2, 0xd, 0x3, TR_FREEZE_MASK); + + __tr_modify(phydev, 0x2, 0xd, 0x6, + SS_TR_KP100_MASK | SS_TR_KF100_MASK | + SS_TR_KP1000_MASTER_MASK | SS_TR_KF1000_MASTER_MASK | + SS_TR_KP1000_SLAVE_MASK | SS_TR_KF1000_SLAVE_MASK, + FIELD_PREP(SS_TR_KP100_MASK, 0x5) | + FIELD_PREP(SS_TR_KF100_MASK, 0x6) | + FIELD_PREP(SS_TR_KP1000_MASTER_MASK, 0x5) | + FIELD_PREP(SS_TR_KF1000_MASTER_MASK, 0x6) | + FIELD_PREP(SS_TR_KP1000_SLAVE_MASK, 0x5) | + FIELD_PREP(SS_TR_KF1000_SLAVE_MASK, 0x6)); + phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); } @@ -723,27 +788,27 @@ static void mt7981_phy_finetune(struct phy_device *phydev) } phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); - /* ResetSyncOffset = 6 */ - __phy_write(phydev, 0x11, 0x600); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x8fc0); + __tr_modify(phydev, 0x1, 0xf, 0x20, + RESET_SYNC_OFFSET_MASK, FIELD_PREP(RESET_SYNC_OFFSET_MASK, 0x6)); - /* VgaDecRate = 1 */ - __phy_write(phydev, 0x11, 0x4c2a); - __phy_write(phydev, 0x12, 0x3e); - __phy_write(phydev, 0x10, 0x8fa4); + __tr_modify(phydev, 0x1, 0xf, 0x12, + VGA_DECIMATION_RATE_MASK, FIELD_PREP(VGA_DECIMATION_RATE_MASK, 0x1)); /* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2, * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2 */ - __phy_write(phydev, 0x11, 0xd10a); - __phy_write(phydev, 0x12, 0x34); - __phy_write(phydev, 0x10, 0x8f82); + __tr_modify(phydev, 0x1, 0xf, 0x1, + MRVL_TR_FIX_100KP_MASK | MRVL_TR_FIX_100KF_MASK | + MRVL_TR_FIX_1000KP_MASK | MRVL_TR_FIX_1000KF_MASK, + FIELD_PREP(MRVL_TR_FIX_100KP_MASK, 0x3) | + FIELD_PREP(MRVL_TR_FIX_100KF_MASK, 0x2) | + FIELD_PREP(MRVL_TR_FIX_1000KP_MASK, 0x3) | + FIELD_PREP(MRVL_TR_FIX_1000KF_MASK, 0x2)); /* VcoSlicerThreshBitsHigh */ - __phy_write(phydev, 0x11, 0x5555); - __phy_write(phydev, 0x12, 0x55); - __phy_write(phydev, 0x10, 0x8ec0); + __tr_modify(phydev, 0x1, 0xd, 0x20, + VCO_SLICER_THRESH_HIGH_MASK, + FIELD_PREP(VCO_SLICER_THRESH_HIGH_MASK, 0x555555)); phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9 */ @@ -794,25 +859,22 @@ static void mt7988_phy_finetune(struct phy_device *phydev) phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5); phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); - /* ResetSyncOffset = 5 */ - __phy_write(phydev, 0x11, 0x500); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x8fc0); + __tr_modify(phydev, 0x1, 0xf, 0x20, + RESET_SYNC_OFFSET_MASK, FIELD_PREP(RESET_SYNC_OFFSET_MASK, 0x5)); /* VgaDecRate is 1 at default on mt7988 */ - /* MrvlTrFix100Kp = 6, MrvlTrFix100Kf = 7, - * MrvlTrFix1000Kp = 6, MrvlTrFix1000Kf = 7 - */ - __phy_write(phydev, 0x11, 0xb90a); - __phy_write(phydev, 0x12, 0x6f); - __phy_write(phydev, 0x10, 0x8f82); - - /* RemAckCntLimitCtrl = 1 */ - __phy_write(phydev, 0x11, 0xfbba); - __phy_write(phydev, 0x12, 0xc3); - __phy_write(phydev, 0x10, 0x87f8); - + __tr_modify(phydev, 0x1, 0xf, 0x1, + MRVL_TR_FIX_100KP_MASK | MRVL_TR_FIX_100KF_MASK | + MRVL_TR_FIX_1000KP_MASK | MRVL_TR_FIX_1000KF_MASK, + FIELD_PREP(MRVL_TR_FIX_100KP_MASK, 0x6) | + FIELD_PREP(MRVL_TR_FIX_100KF_MASK, 0x7) | + FIELD_PREP(MRVL_TR_FIX_1000KP_MASK, 0x6) | + FIELD_PREP(MRVL_TR_FIX_1000KF_MASK, 0x7)); + + __tr_modify(phydev, 0x0, 0xf, 0x3c, + REMOTE_ACK_COUNT_LIMIT_CTRL_MASK, + FIELD_PREP(REMOTE_ACK_COUNT_LIMIT_CTRL_MASK, 0x1)); phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 10 */ @@ -887,45 +949,34 @@ static void mt798x_phy_eee(struct phy_device *phydev) MTK_PHY_TR_READY_SKIP_AFE_WAKEUP); phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); - /* Regsigdet_sel_1000 = 0 */ - __phy_write(phydev, 0x11, 0xb); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x9690); - - /* REG_EEE_st2TrKf1000 = 2 */ - __phy_write(phydev, 0x11, 0x114f); - __phy_write(phydev, 0x12, 0x2); - __phy_write(phydev, 0x10, 0x969a); - - /* RegEEE_slv_wake_tr_timer_tar = 6, RegEEE_slv_remtx_timer_tar = 20 */ - __phy_write(phydev, 0x11, 0x3028); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x969e); - - /* RegEEE_slv_wake_int_timer_tar = 8 */ - __phy_write(phydev, 0x11, 0x5010); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x96a0); - - /* RegEEE_trfreeze_timer2 = 586 */ - __phy_write(phydev, 0x11, 0x24a); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x96a8); - - /* RegEEE100Stg1_tar = 16 */ - __phy_write(phydev, 0x11, 0x3210); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x96b8); - - /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 0 */ - __phy_write(phydev, 0x11, 0x1463); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x96ca); - - /* DfeTailEnableVgaThresh1000 = 27 */ - __phy_write(phydev, 0x11, 0x36); - __phy_write(phydev, 0x12, 0x0); - __phy_write(phydev, 0x10, 0x8f80); + __tr_clr_bits(phydev, 0x2, 0xd, 0x8, EEE1000_SELECT_SIGNEL_DETECTION_FROM_DFE); + + __tr_modify(phydev, 0x2, 0xd, 0xd, + EEE1000_STAGE2_TR_KF_MASK, + FIELD_PREP(EEE1000_STAGE2_TR_KF_MASK, 0x2)); + + __tr_modify(phydev, 0x2, 0xd, 0xf, + SLAVE_WAKETR_TIMER_MASK | SLAVE_REMTX_TIMER_MASK, + FIELD_PREP(SLAVE_WAKETR_TIMER_MASK, 0x6) | + FIELD_PREP(SLAVE_REMTX_TIMER_MASK, 0x14)); + + __tr_modify(phydev, 0x2, 0xd, 0x10, + SLAVE_WAKEINT_TIMER_MASK, + FIELD_PREP(SLAVE_WAKEINT_TIMER_MASK, 0x8)); + + __tr_modify(phydev, 0x2, 0xd, 0x14, + TR_FREEZE_TIMER2_MASK, + FIELD_PREP(TR_FREEZE_TIMER2_MASK, 0x24a)); + + __tr_modify(phydev, 0x2, 0xd, 0x1c, + EEE100_LPSYNC_STAGE1_UPDATE_TIMER_MASK, + FIELD_PREP(EEE100_LPSYNC_STAGE1_UPDATE_TIMER_MASK, 0x10)); + + __tr_clr_bits(phydev, 0x2, 0xd, 0x25, WAKE_SLAVE_TR_WAIT_DFE_DETECTION_EN); + + __tr_modify(phydev, 0x1, 0xf, 0x0, + DFE_TAIL_EANBLE_VGA_TRHESH_1000, + FIELD_PREP(DFE_TAIL_EANBLE_VGA_TRHESH_1000, 0x1b)); phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_3); diff --git a/drivers/net/phy/mediatek/mtk-ge.c b/drivers/net/phy/mediatek/mtk-ge.c index 80425d6..5c0226d 100644 --- a/drivers/net/phy/mediatek/mtk-ge.c +++ b/drivers/net/phy/mediatek/mtk-ge.c @@ -8,13 +8,35 @@ #define MTK_GPHY_ID_MT7530 0x03a29412 #define MTK_GPHY_ID_MT7531 0x03a29441 -#define MTK_EXT_PAGE_ACCESS 0x1f -#define MTK_PHY_PAGE_STANDARD 0x0000 -#define MTK_PHY_PAGE_EXTENDED 0x0001 -#define MTK_PHY_PAGE_EXTENDED_2 0x0002 -#define MTK_PHY_PAGE_EXTENDED_3 0x0003 -#define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 -#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 +#define MTK_PHY_PAGE_EXTENDED_1 0x0001 +#define MTK_PHY_AUX_CTRL_AND_STATUS 0x14 +#define MTK_PHY_ENABLE_DOWNSHIFT BIT(4) + +#define MTK_PHY_PAGE_EXTENDED_2 0x0002 +#define MTK_PHY_PAGE_EXTENDED_3 0x0003 +#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG11 0x11 + +#define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 + +/* Registers on Token Ring debug nodes */ +/* ch_addr = 0x1, node_addr = 0xf, data_addr = 0x17 */ +#define SLAVE_DSP_READY_TIME_MASK GENMASK(22, 15) + +/* Registers on MDIO_MMD_VEND1 */ +#define MTK_PHY_GBE_MODE_TX_DELAY_SEL 0x13 +#define MTK_PHY_TEST_MODE_TX_DELAY_SEL 0x14 +#define MTK_TX_DELAY_PAIR_B_MASK GENMASK(10, 8) +#define MTK_TX_DELAY_PAIR_D_MASK GENMASK(2, 0) + +#define MTK_PHY_MCC_CTRL_AND_TX_POWER_CTRL 0xa6 +#define MTK_MCC_NEARECHO_OFFSET_MASK GENMASK(15, 8) + +#define MTK_PHY_RXADC_CTRL_RG7 0xc6 +#define MTK_PHY_DA_AD_BUF_BIAS_LP_MASK GENMASK(9, 8) + +#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG123 0x123 +#define MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK GENMASK(15, 8) +#define MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK GENMASK(7, 0) struct mtk_gephy_priv { unsigned long led_state; @@ -23,20 +45,27 @@ struct mtk_gephy_priv { static void mtk_gephy_config_init(struct phy_device *phydev) { /* Enable HW auto downshift */ - phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED, 0x14, 0, BIT(4)); + phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED_1, MTK_PHY_AUX_CTRL_AND_STATUS, + 0, MTK_PHY_ENABLE_DOWNSHIFT); /* Increase SlvDPSready time */ - phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); - __phy_write(phydev, 0x10, 0xafae); - __phy_write(phydev, 0x12, 0x2f); - __phy_write(phydev, 0x10, 0x8fae); - phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); + tr_modify(phydev, 0x1, 0xf, 0x17, SLAVE_DSP_READY_TIME_MASK, + FIELD_PREP(SLAVE_DSP_READY_TIME_MASK, 0x5e)); /* Adjust 100_mse_threshold */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x123, 0xffff); - - /* Disable mcc */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xa6, 0x300); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, + MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG123, + MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK | + MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK, + FIELD_PREP(MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK, + 0xff) | + FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK, + 0xff)); + + /* If echo time is narrower than 0x3, it will be regarded as noise */ + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_MCC_CTRL_AND_TX_POWER_CTRL, + MTK_MCC_NEARECHO_OFFSET_MASK, + FIELD_PREP(MTK_MCC_NEARECHO_OFFSET_MASK, 0x3)); } static int mt7530_phy_config_init(struct phy_device *phydev) @@ -44,7 +73,8 @@ static int mt7530_phy_config_init(struct phy_device *phydev) mtk_gephy_config_init(phydev); /* Increase post_update_timer */ - phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, 0x11, 0x4b); + phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, + MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG11, 0x4b); return 0; } @@ -55,11 +85,19 @@ static int mt7531_phy_config_init(struct phy_device *phydev) /* PHY link down power saving enable */ phy_set_bits(phydev, 0x17, BIT(4)); - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, 0xc6, 0x300); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7, + MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, + FIELD_PREP(MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3)); /* Set TX Pair delay selection */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x13, 0x404); - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x14, 0x404); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_GBE_MODE_TX_DELAY_SEL, + MTK_TX_DELAY_PAIR_B_MASK | MTK_TX_DELAY_PAIR_D_MASK, + FIELD_PREP(MTK_TX_DELAY_PAIR_B_MASK, 0x4) | + FIELD_PREP(MTK_TX_DELAY_PAIR_D_MASK, 0x4)); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TEST_MODE_TX_DELAY_SEL, + MTK_TX_DELAY_PAIR_B_MASK | MTK_TX_DELAY_PAIR_D_MASK, + FIELD_PREP(MTK_TX_DELAY_PAIR_B_MASK, 0x4) | + FIELD_PREP(MTK_TX_DELAY_PAIR_D_MASK, 0x4)); return 0; } diff --git a/drivers/net/phy/mediatek/mtk-phy-lib.c b/drivers/net/phy/mediatek/mtk-phy-lib.c index 8a28787..39bfefe 100644 --- a/drivers/net/phy/mediatek/mtk-phy-lib.c +++ b/drivers/net/phy/mediatek/mtk-phy-lib.c @@ -6,6 +6,94 @@ #include "mtk.h" +/* Difference between functions with tr* and __tr* prefixes is + * tr* functions: wrapped by page switching operations + * __tr* fucntions: no page switching operations + */ + +static void __tr_access(struct phy_device *phydev, bool read, u8 ch_addr, + u8 node_addr, u8 data_addr) +{ + u16 tr_cmd = BIT(15); /* bit 14 & 0 are reserved */ + + if (read) + tr_cmd |= BIT(13); + + tr_cmd |= (((ch_addr & 0x3) << 11) | + ((node_addr & 0xf) << 7) | + ((data_addr & 0x3f) << 1)); + dev_dbg(&phydev->mdio.dev, "tr_cmd: 0x%x\n", tr_cmd); + __phy_write(phydev, 0x10, tr_cmd); +} + +static void __tr_read(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u16 *tr_high, u16 *tr_low) +{ + __tr_access(phydev, true, ch_addr, node_addr, data_addr); + *tr_low = __phy_read(phydev, 0x11); + *tr_high = __phy_read(phydev, 0x12); + dev_dbg(&phydev->mdio.dev, "tr_high read: 0x%x, tr_low read: 0x%x\n", + *tr_high, *tr_low); +} + +u32 tr_read(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr) +{ + u16 tr_high; + u16 tr_low; + + phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); + __tr_read(phydev, ch_addr, node_addr, data_addr, &tr_high, &tr_low); + phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); + + return (tr_high << 16) | tr_low; +} +EXPORT_SYMBOL_GPL(tr_read); + +static void __tr_write(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u32 tr_data) +{ + __phy_write(phydev, 0x11, tr_data & 0xffff); + __phy_write(phydev, 0x12, tr_data >> 16); + dev_dbg(&phydev->mdio.dev, "tr_high write: 0x%x, tr_low write: 0x%x\n", + tr_data >> 16, tr_data & 0xffff); + __tr_access(phydev, false, ch_addr, node_addr, data_addr); +} + +void __tr_modify(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u32 mask, u32 set) +{ + u32 tr_data; + u16 tr_high; + u16 tr_low; + + __tr_read(phydev, ch_addr, node_addr, data_addr, &tr_high, &tr_low); + tr_data = (tr_high << 16) | tr_low; + tr_data = (tr_data & ~mask) | set; + __tr_write(phydev, ch_addr, node_addr, data_addr, tr_data); +} +EXPORT_SYMBOL_GPL(__tr_modify); + +void tr_modify(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u32 mask, u32 set) +{ + phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); + __tr_modify(phydev, ch_addr, node_addr, data_addr, mask, set); + phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); +} +EXPORT_SYMBOL_GPL(tr_modify); + +void __tr_set_bits(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, u32 set) +{ + __tr_modify(phydev, ch_addr, node_addr, data_addr, 0, set); +} +EXPORT_SYMBOL_GPL(__tr_set_bits); + +void __tr_clr_bits(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, u32 clr) +{ + __tr_modify(phydev, ch_addr, node_addr, data_addr, clr, 0); +} +EXPORT_SYMBOL_GPL(__tr_clr_bits); + int mtk_phy_read_page(struct phy_device *phydev) { return __phy_read(phydev, MTK_EXT_PAGE_ACCESS); diff --git a/drivers/net/phy/mediatek/mtk.h b/drivers/net/phy/mediatek/mtk.h index c392c38..10ee9be 100644 --- a/drivers/net/phy/mediatek/mtk.h +++ b/drivers/net/phy/mediatek/mtk.h @@ -9,6 +9,8 @@ #define _MTK_EPHY_H_ #define MTK_EXT_PAGE_ACCESS 0x1f +#define MTK_PHY_PAGE_STANDARD 0x0000 +#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 /* Registers on MDIO_MMD_VEND2 */ #define MTK_PHY_LED0_ON_CTRL 0x24 @@ -62,6 +64,14 @@ #define MTK_PHY_LED_STATE_FORCE_BLINK 1 #define MTK_PHY_LED_STATE_NETDEV 2 +u32 tr_read(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr); +void __tr_modify(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u32 mask, u32 set); +void tr_modify(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, + u32 mask, u32 set); +void __tr_set_bits(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, u32 set); +void __tr_clr_bits(struct phy_device *phydev, u8 ch_addr, u8 node_addr, u8 data_addr, u32 clr); + int mtk_phy_read_page(struct phy_device *phydev); int mtk_phy_write_page(struct phy_device *phydev, int page);

[net-next,v2,3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib

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Patch