--- /dev/null
+From dee3f591103910c8d8b2a6d57879ccd2a4be4b10 Mon Sep 17 00:00:00 2001
+Message-ID: <dee3f591103910c8d8b2a6d57879ccd2a4be4b10.1706067287.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 03:19:49 +0000
+Subject: [PATCH net] net: ethernet: mtk_eth_soc: set coherent mask to get PPE
+ working
+To: Felix Fietkau <nbd@nbd.name>,
+ Sean Wang <sean.wang@mediatek.com>,
+ Mark Lee <Mark-MC.Lee@mediatek.com>,
+ Lorenzo Bianconi <lorenzo@kernel.org>,
+ David S. Miller <davem@davemloft.net>,
+ Eric Dumazet <edumazet@google.com>,
+ Jakub Kicinski <kuba@kernel.org>,
+ Paolo Abeni <pabeni@redhat.com>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ Daniel Golle <daniel@makrotopia.org>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Set DMA coherent mask to 32-bit which makes PPE offloading engine start
+working on BPi-R4 which got 4 GiB of RAM.
+
+Fixes: 2d75891ebc09 ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
+Suggested-by: Elad Yifee <eladwf@users.github.com>
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -4832,7 +4832,10 @@ static int mtk_probe(struct platform_dev
+ }
+
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) {
+- err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36));
++ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(36));
++ if (!err)
++ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
++
+ if (err) {
+ dev_err(&pdev->dev, "Wrong DMA config\n");
+ return -EINVAL;
--- /dev/null
+From a444877c10a665cd8a869e6d37facdb89fd95f79 Mon Sep 17 00:00:00 2001
+Message-ID: <a444877c10a665cd8a869e6d37facdb89fd95f79.1706070008.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 04:17:11 +0000
+Subject: [PATCH net] net: dsa: mt7530: fix 10M/100M speed on MT7988 switch
+To: Arınç ÜNAL <arinc.unal@arinc9.com>,
+ Daniel Golle <daniel@makrotopia.org>,
+ DENG Qingfang <dqfext@gmail.com>,
+ Sean Wang <sean.wang@mediatek.com>,
+ Andrew Lunn <andrew@lunn.ch>,
+ Florian Fainelli <f.fainelli@gmail.com>,
+ Vladimir Oltean <olteanv@gmail.com>,
+ David S. Miller <davem@davemloft.net>,
+ Eric Dumazet <edumazet@google.com>,
+ Jakub Kicinski <kuba@kernel.org>,
+ Paolo Abeni <pabeni@redhat.com>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Setup PMCR port register for actual speed and duplex on internally
+connected PHYs of the MT7988 built-in switch. This fixes links with
+speeds other than 1000M.
+
+Fixes: ("110c18bfed414 net: dsa: mt7530: introduce driver for MT7988 built-in switch")
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/dsa/mt7530.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -2832,8 +2832,7 @@ static void mt753x_phylink_mac_link_up(s
+ /* MT753x MAC works in 1G full duplex mode for all up-clocked
+ * variants.
+ */
+- if (interface == PHY_INTERFACE_MODE_INTERNAL ||
+- interface == PHY_INTERFACE_MODE_TRGMII ||
++ if (interface == PHY_INTERFACE_MODE_TRGMII ||
+ (phy_interface_mode_is_8023z(interface))) {
+ speed = SPEED_1000;
+ duplex = DUPLEX_FULL;
--- /dev/null
+From dee3f591103910c8d8b2a6d57879ccd2a4be4b10 Mon Sep 17 00:00:00 2001
+Message-ID: <dee3f591103910c8d8b2a6d57879ccd2a4be4b10.1706067287.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 03:19:49 +0000
+Subject: [PATCH net] net: ethernet: mtk_eth_soc: set coherent mask to get PPE
+ working
+To: Felix Fietkau <nbd@nbd.name>,
+ Sean Wang <sean.wang@mediatek.com>,
+ Mark Lee <Mark-MC.Lee@mediatek.com>,
+ Lorenzo Bianconi <lorenzo@kernel.org>,
+ David S. Miller <davem@davemloft.net>,
+ Eric Dumazet <edumazet@google.com>,
+ Jakub Kicinski <kuba@kernel.org>,
+ Paolo Abeni <pabeni@redhat.com>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ Daniel Golle <daniel@makrotopia.org>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Set DMA coherent mask to 32-bit which makes PPE offloading engine start
+working on BPi-R4 which got 4 GiB of RAM.
+
+Fixes: 2d75891ebc09 ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
+Suggested-by: Elad Yifee <eladwf@users.github.com>
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -4886,7 +4886,10 @@ static int mtk_probe(struct platform_dev
+ }
+
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) {
+- err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36));
++ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(36));
++ if (!err)
++ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
++
+ if (err) {
+ dev_err(&pdev->dev, "Wrong DMA config\n");
+ return -EINVAL;
--- /dev/null
+From a444877c10a665cd8a869e6d37facdb89fd95f79 Mon Sep 17 00:00:00 2001
+Message-ID: <a444877c10a665cd8a869e6d37facdb89fd95f79.1706070008.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 04:17:11 +0000
+Subject: [PATCH net] net: dsa: mt7530: fix 10M/100M speed on MT7988 switch
+To: Arınç ÜNAL <arinc.unal@arinc9.com>,
+ Daniel Golle <daniel@makrotopia.org>,
+ DENG Qingfang <dqfext@gmail.com>,
+ Sean Wang <sean.wang@mediatek.com>,
+ Andrew Lunn <andrew@lunn.ch>,
+ Florian Fainelli <f.fainelli@gmail.com>,
+ Vladimir Oltean <olteanv@gmail.com>,
+ David S. Miller <davem@davemloft.net>,
+ Eric Dumazet <edumazet@google.com>,
+ Jakub Kicinski <kuba@kernel.org>,
+ Paolo Abeni <pabeni@redhat.com>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Setup PMCR port register for actual speed and duplex on internally
+connected PHYs of the MT7988 built-in switch. This fixes links with
+speeds other than 1000M.
+
+Fixes: ("110c18bfed414 net: dsa: mt7530: introduce driver for MT7988 built-in switch")
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/dsa/mt7530.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -2849,8 +2849,7 @@ static void mt753x_phylink_mac_link_up(s
+ /* MT753x MAC works in 1G full duplex mode for all up-clocked
+ * variants.
+ */
+- if (interface == PHY_INTERFACE_MODE_INTERNAL ||
+- interface == PHY_INTERFACE_MODE_TRGMII ||
++ if (interface == PHY_INTERFACE_MODE_TRGMII ||
+ (phy_interface_mode_is_8023z(interface))) {
+ speed = SPEED_1000;
+ duplex = DUPLEX_FULL;
--- /dev/null
+From f2195279c234c0f618946424b8236026126bc595 Mon Sep 17 00:00:00 2001
+Message-ID: <f2195279c234c0f618946424b8236026126bc595.1706071311.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 02:27:04 +0000
+Subject: [PATCH net] net: phy: mediatek-ge-soc: sync driver with MediaTek SDK
+To: Daniel Golle <daniel@makrotopia.org>,
+ Qingfang Deng <dqfext@gmail.com>,
+ SkyLake Huang <SkyLake.Huang@mediatek.com>,
+ 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>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Sync initialization and calibration routines with MediaTek's reference
+driver. Improves compliance and resolves link stability issues with
+CH340 IoT devices connected to MT798x built-in PHYs.
+
+Fixes: 98c485eaf509 ("net: phy: add driver for MediaTek SoC built-in GE PHYs")
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/phy/mediatek-ge-soc.c | 147 ++++++++++++++++--------------
+ 1 file changed, 81 insertions(+), 66 deletions(-)
+
+--- a/drivers/net/phy/mediatek-ge-soc.c
++++ b/drivers/net/phy/mediatek-ge-soc.c
+@@ -479,7 +479,7 @@ static int tx_r50_fill_result(struct phy
+ u16 reg, val;
+
+ if (phydev->drv->phy_id == MTK_GPHY_ID_MT7988)
+- bias = -2;
++ bias = -1;
+
+ val = clamp_val(bias + tx_r50_cal_val, 0, 63);
+
+@@ -695,6 +695,11 @@ restore:
+ 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);
+@@ -705,15 +710,56 @@ static void mt798x_phy_common_finetune(s
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x83aa);
+
+- /* TrFreeze = 0 */
++ /* 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);
++ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++}
++
++static void mt7981_phy_finetune(struct phy_device *phydev)
++{
++ u16 val[8] = { 0x01ce, 0x01c1,
++ 0x020f, 0x0202,
++ 0x03d0, 0x03c0,
++ 0x0013, 0x0005 };
++ int i, k;
++
++ /* 100M eye finetune:
++ * Keep middle level of TX MLT3 shapper as default.
++ * Only change TX MLT3 overshoot level here.
++ */
++ for (k = 0, i = 1; i < 12; i++) {
++ if (i % 3 == 0)
++ continue;
++ phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]);
++ }
++
++ 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);
++
++ /* VgaDecRate = 1 */
++ __phy_write(phydev, 0x11, 0x4c2a);
++ __phy_write(phydev, 0x12, 0x3e);
++ __phy_write(phydev, 0x10, 0x8fa4);
+
+ /* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2,
+ * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2
+@@ -728,7 +774,7 @@ static void mt798x_phy_common_finetune(s
+ __phy_write(phydev, 0x10, 0x8ec0);
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+- /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
++ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9 */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+@@ -761,48 +807,6 @@ static void mt798x_phy_common_finetune(s
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_OUTPUT_V, 0x2222);
+ }
+
+-static void mt7981_phy_finetune(struct phy_device *phydev)
+-{
+- u16 val[8] = { 0x01ce, 0x01c1,
+- 0x020f, 0x0202,
+- 0x03d0, 0x03c0,
+- 0x0013, 0x0005 };
+- int i, k;
+-
+- /* 100M eye finetune:
+- * Keep middle level of TX MLT3 shapper as default.
+- * Only change TX MLT3 overshoot level here.
+- */
+- for (k = 0, i = 1; i < 12; i++) {
+- if (i % 3 == 0)
+- continue;
+- phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]);
+- }
+-
+- 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);
+-
+- /* ResetSyncOffset = 6 */
+- __phy_write(phydev, 0x11, 0x600);
+- __phy_write(phydev, 0x12, 0x0);
+- __phy_write(phydev, 0x10, 0x8fc0);
+-
+- /* VgaDecRate = 1 */
+- __phy_write(phydev, 0x11, 0x4c2a);
+- __phy_write(phydev, 0x12, 0x3e);
+- __phy_write(phydev, 0x10, 0x8fa4);
+-
+- /* FfeUpdGainForce = 4 */
+- __phy_write(phydev, 0x11, 0x240);
+- __phy_write(phydev, 0x12, 0x0);
+- __phy_write(phydev, 0x10, 0x9680);
+-
+- phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+-}
+-
+ static void mt7988_phy_finetune(struct phy_device *phydev)
+ {
+ u16 val[12] = { 0x0187, 0x01cd, 0x01c8, 0x0182,
+@@ -817,17 +821,7 @@ static void mt7988_phy_finetune(struct p
+ /* TCT finetune */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5);
+
+- /* Disable TX power saving */
+- phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
+- MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
+-
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+-
+- /* SlvDSPreadyTime = 24, MasDSPreadyTime = 12 */
+- __phy_write(phydev, 0x11, 0x671);
+- __phy_write(phydev, 0x12, 0xc);
+- __phy_write(phydev, 0x10, 0x8fae);
+-
+ /* ResetSyncOffset = 5 */
+ __phy_write(phydev, 0x11, 0x500);
+ __phy_write(phydev, 0x12, 0x0);
+@@ -835,13 +829,27 @@ static void mt7988_phy_finetune(struct p
+
+ /* VgaDecRate is 1 at default on mt7988 */
+
+- phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++ /* 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);
+
+- phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_2A30);
+- /* TxClkOffset = 2 */
+- __phy_modify(phydev, MTK_PHY_ANARG_RG, MTK_PHY_TCLKOFFSET_MASK,
+- FIELD_PREP(MTK_PHY_TCLKOFFSET_MASK, 0x2));
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++
++ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 10 */
++ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
++ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
++ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0xa));
++
++ /* rg_tr_lpf_cnt_val = 1023 */
++ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x3ff);
+ }
+
+ static void mt798x_phy_eee(struct phy_device *phydev)
+@@ -874,11 +882,11 @@ static void mt798x_phy_eee(struct phy_de
+ MTK_PHY_LPI_SLV_SEND_TX_EN,
+ FIELD_PREP(MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK, 0x120));
+
+- phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
+- MTK_PHY_LPI_SEND_LOC_TIMER_MASK |
+- MTK_PHY_LPI_TXPCS_LOC_RCV,
+- FIELD_PREP(MTK_PHY_LPI_SEND_LOC_TIMER_MASK, 0x117));
++ /* Keep MTK_PHY_LPI_SEND_LOC_TIMER as 375 */
++ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
++ MTK_PHY_LPI_TXPCS_LOC_RCV);
+
++ /* This also fixes some IoT issues, such as CH340 */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2C7,
+ MTK_PHY_MAX_GAIN_MASK | MTK_PHY_MIN_GAIN_MASK,
+ FIELD_PREP(MTK_PHY_MAX_GAIN_MASK, 0x8) |
+@@ -912,7 +920,7 @@ static void mt798x_phy_eee(struct phy_de
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x9690);
+
+- /* REG_EEE_st2TrKf1000 = 3 */
++ /* REG_EEE_st2TrKf1000 = 2 */
+ __phy_write(phydev, 0x11, 0x114f);
+ __phy_write(phydev, 0x12, 0x2);
+ __phy_write(phydev, 0x10, 0x969a);
+@@ -937,7 +945,7 @@ static void mt798x_phy_eee(struct phy_de
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96b8);
+
+- /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 1 */
++ /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 0 */
+ __phy_write(phydev, 0x11, 0x1463);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96ca);
+@@ -1198,6 +1206,13 @@ static int mt7988_phy_probe(struct phy_d
+
+ mt798x_phy_setup_led(phydev, mt7988_phy_get_boottrap_polarity(phydev));
+
++ /* Disable TX power saving at probing to:
++ * 1. Meet common mode compliance test criteria
++ * 2. Make sure that TX-VCM calibration works fine
++ */
++ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
++ MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
++
+ return mt798x_phy_calibration(phydev);
+ }
+
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
if (mtk_is_netsys_v3_or_greater(eth)) {
-@@ -5165,11 +5165,15 @@ static const struct mtk_soc_data mt2701_
+@@ -5168,11 +5168,15 @@ static const struct mtk_soc_data mt2701_
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
.version = 1,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5185,11 +5189,15 @@ static const struct mtk_soc_data mt7621_
+@@ -5188,11 +5192,15 @@ static const struct mtk_soc_data mt7621_
.offload_version = 1,
.hash_offset = 2,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5207,11 +5215,15 @@ static const struct mtk_soc_data mt7622_
+@@ -5210,11 +5218,15 @@ static const struct mtk_soc_data mt7622_
.hash_offset = 2,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5228,11 +5240,15 @@ static const struct mtk_soc_data mt7623_
+@@ -5231,11 +5243,15 @@ static const struct mtk_soc_data mt7623_
.hash_offset = 2,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.disable_pll_modes = true,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5247,11 +5263,15 @@ static const struct mtk_soc_data mt7629_
+@@ -5250,11 +5266,15 @@ static const struct mtk_soc_data mt7629_
.required_pctl = false,
.has_accounting = true,
.version = 1,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5269,11 +5289,15 @@ static const struct mtk_soc_data mt7981_
+@@ -5272,11 +5292,15 @@ static const struct mtk_soc_data mt7981_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5291,11 +5315,15 @@ static const struct mtk_soc_data mt7986_
+@@ -5294,11 +5318,15 @@ static const struct mtk_soc_data mt7986_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5313,11 +5341,15 @@ static const struct mtk_soc_data mt7988_
+@@ -5316,11 +5344,15 @@ static const struct mtk_soc_data mt7988_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V3_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5330,11 +5362,15 @@ static const struct mtk_soc_data rt5350_
+@@ -5333,11 +5365,15 @@ static const struct mtk_soc_data rt5350_
.required_clks = MT7628_CLKS_BITMAP,
.required_pctl = false,
.version = 1,
/* Set FE to PDMAv2 if necessary */
val = mtk_r32(eth, MTK_FE_GLO_MISC);
mtk_w32(eth, val | BIT(4), MTK_FE_GLO_MISC);
-@@ -5295,11 +5295,11 @@ static const struct mtk_soc_data mt7981_
+@@ -5298,11 +5298,11 @@ static const struct mtk_soc_data mt7981_
.dma_len_offset = 8,
},
.rx = {
},
};
-@@ -5321,11 +5321,11 @@ static const struct mtk_soc_data mt7986_
+@@ -5324,11 +5324,11 @@ static const struct mtk_soc_data mt7986_
.dma_len_offset = 8,
},
.rx = {
--- /dev/null
+From f2195279c234c0f618946424b8236026126bc595 Mon Sep 17 00:00:00 2001
+Message-ID: <f2195279c234c0f618946424b8236026126bc595.1706071311.git.daniel@makrotopia.org>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 24 Jan 2024 02:27:04 +0000
+Subject: [PATCH net] net: phy: mediatek-ge-soc: sync driver with MediaTek SDK
+To: Daniel Golle <daniel@makrotopia.org>,
+ Qingfang Deng <dqfext@gmail.com>,
+ SkyLake Huang <SkyLake.Huang@mediatek.com>,
+ 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>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
+ netdev@vger.kernel.org,
+ linux-kernel@vger.kernel.org,
+ linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org
+
+Sync initialization and calibration routines with MediaTek's reference
+driver. Improves compliance and resolves link stability issues with
+CH340 IoT devices connected to MT798x built-in PHYs.
+
+Fixes: 98c485eaf509 ("net: phy: add driver for MediaTek SoC built-in GE PHYs")
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/phy/mediatek-ge-soc.c | 147 ++++++++++++++++--------------
+ 1 file changed, 81 insertions(+), 66 deletions(-)
+
+--- a/drivers/net/phy/mediatek-ge-soc.c
++++ b/drivers/net/phy/mediatek-ge-soc.c
+@@ -491,7 +491,7 @@ static int tx_r50_fill_result(struct phy
+ u16 reg, val;
+
+ if (phydev->drv->phy_id == MTK_GPHY_ID_MT7988)
+- bias = -2;
++ bias = -1;
+
+ val = clamp_val(bias + tx_r50_cal_val, 0, 63);
+
+@@ -707,6 +707,11 @@ restore:
+ 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);
+@@ -717,15 +722,56 @@ static void mt798x_phy_common_finetune(s
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x83aa);
+
+- /* TrFreeze = 0 */
++ /* 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);
++ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++}
++
++static void mt7981_phy_finetune(struct phy_device *phydev)
++{
++ u16 val[8] = { 0x01ce, 0x01c1,
++ 0x020f, 0x0202,
++ 0x03d0, 0x03c0,
++ 0x0013, 0x0005 };
++ int i, k;
++
++ /* 100M eye finetune:
++ * Keep middle level of TX MLT3 shapper as default.
++ * Only change TX MLT3 overshoot level here.
++ */
++ for (k = 0, i = 1; i < 12; i++) {
++ if (i % 3 == 0)
++ continue;
++ phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]);
++ }
++
++ 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);
++
++ /* VgaDecRate = 1 */
++ __phy_write(phydev, 0x11, 0x4c2a);
++ __phy_write(phydev, 0x12, 0x3e);
++ __phy_write(phydev, 0x10, 0x8fa4);
+
+ /* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2,
+ * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2
+@@ -740,7 +786,7 @@ static void mt798x_phy_common_finetune(s
+ __phy_write(phydev, 0x10, 0x8ec0);
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+- /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
++ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9 */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+@@ -773,48 +819,6 @@ static void mt798x_phy_common_finetune(s
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_OUTPUT_V, 0x2222);
+ }
+
+-static void mt7981_phy_finetune(struct phy_device *phydev)
+-{
+- u16 val[8] = { 0x01ce, 0x01c1,
+- 0x020f, 0x0202,
+- 0x03d0, 0x03c0,
+- 0x0013, 0x0005 };
+- int i, k;
+-
+- /* 100M eye finetune:
+- * Keep middle level of TX MLT3 shapper as default.
+- * Only change TX MLT3 overshoot level here.
+- */
+- for (k = 0, i = 1; i < 12; i++) {
+- if (i % 3 == 0)
+- continue;
+- phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]);
+- }
+-
+- 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);
+-
+- /* ResetSyncOffset = 6 */
+- __phy_write(phydev, 0x11, 0x600);
+- __phy_write(phydev, 0x12, 0x0);
+- __phy_write(phydev, 0x10, 0x8fc0);
+-
+- /* VgaDecRate = 1 */
+- __phy_write(phydev, 0x11, 0x4c2a);
+- __phy_write(phydev, 0x12, 0x3e);
+- __phy_write(phydev, 0x10, 0x8fa4);
+-
+- /* FfeUpdGainForce = 4 */
+- __phy_write(phydev, 0x11, 0x240);
+- __phy_write(phydev, 0x12, 0x0);
+- __phy_write(phydev, 0x10, 0x9680);
+-
+- phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+-}
+-
+ static void mt7988_phy_finetune(struct phy_device *phydev)
+ {
+ u16 val[12] = { 0x0187, 0x01cd, 0x01c8, 0x0182,
+@@ -829,17 +833,7 @@ static void mt7988_phy_finetune(struct p
+ /* TCT finetune */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5);
+
+- /* Disable TX power saving */
+- phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
+- MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
+-
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+-
+- /* SlvDSPreadyTime = 24, MasDSPreadyTime = 12 */
+- __phy_write(phydev, 0x11, 0x671);
+- __phy_write(phydev, 0x12, 0xc);
+- __phy_write(phydev, 0x10, 0x8fae);
+-
+ /* ResetSyncOffset = 5 */
+ __phy_write(phydev, 0x11, 0x500);
+ __phy_write(phydev, 0x12, 0x0);
+@@ -847,13 +841,27 @@ static void mt7988_phy_finetune(struct p
+
+ /* VgaDecRate is 1 at default on mt7988 */
+
+- phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++ /* 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);
+
+- phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_2A30);
+- /* TxClkOffset = 2 */
+- __phy_modify(phydev, MTK_PHY_ANARG_RG, MTK_PHY_TCLKOFFSET_MASK,
+- FIELD_PREP(MTK_PHY_TCLKOFFSET_MASK, 0x2));
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
++
++ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 10 */
++ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
++ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
++ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0xa));
++
++ /* rg_tr_lpf_cnt_val = 1023 */
++ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x3ff);
+ }
+
+ static void mt798x_phy_eee(struct phy_device *phydev)
+@@ -886,11 +894,11 @@ static void mt798x_phy_eee(struct phy_de
+ MTK_PHY_LPI_SLV_SEND_TX_EN,
+ FIELD_PREP(MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK, 0x120));
+
+- phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
+- MTK_PHY_LPI_SEND_LOC_TIMER_MASK |
+- MTK_PHY_LPI_TXPCS_LOC_RCV,
+- FIELD_PREP(MTK_PHY_LPI_SEND_LOC_TIMER_MASK, 0x117));
++ /* Keep MTK_PHY_LPI_SEND_LOC_TIMER as 375 */
++ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
++ MTK_PHY_LPI_TXPCS_LOC_RCV);
+
++ /* This also fixes some IoT issues, such as CH340 */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2C7,
+ MTK_PHY_MAX_GAIN_MASK | MTK_PHY_MIN_GAIN_MASK,
+ FIELD_PREP(MTK_PHY_MAX_GAIN_MASK, 0x8) |
+@@ -924,7 +932,7 @@ static void mt798x_phy_eee(struct phy_de
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x9690);
+
+- /* REG_EEE_st2TrKf1000 = 3 */
++ /* REG_EEE_st2TrKf1000 = 2 */
+ __phy_write(phydev, 0x11, 0x114f);
+ __phy_write(phydev, 0x12, 0x2);
+ __phy_write(phydev, 0x10, 0x969a);
+@@ -949,7 +957,7 @@ static void mt798x_phy_eee(struct phy_de
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96b8);
+
+- /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 1 */
++ /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 0 */
+ __phy_write(phydev, 0x11, 0x1463);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96ca);
+@@ -1461,6 +1469,13 @@ static int mt7988_phy_probe(struct phy_d
+ if (err)
+ return err;
+
++ /* Disable TX power saving at probing to:
++ * 1. Meet common mode compliance test criteria
++ * 2. Make sure that TX-VCM calibration works fine
++ */
++ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
++ MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
++
+ return mt798x_phy_calibration(phydev);
+ }
+
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
if (mtk_is_netsys_v3_or_greater(eth)) {
-@@ -5173,11 +5173,15 @@ static const struct mtk_soc_data mt2701_
+@@ -5176,11 +5176,15 @@ static const struct mtk_soc_data mt2701_
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
.version = 1,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5193,11 +5197,15 @@ static const struct mtk_soc_data mt7621_
+@@ -5196,11 +5200,15 @@ static const struct mtk_soc_data mt7621_
.offload_version = 1,
.hash_offset = 2,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5215,11 +5223,15 @@ static const struct mtk_soc_data mt7622_
+@@ -5218,11 +5226,15 @@ static const struct mtk_soc_data mt7622_
.hash_offset = 2,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5236,11 +5248,15 @@ static const struct mtk_soc_data mt7623_
+@@ -5239,11 +5251,15 @@ static const struct mtk_soc_data mt7623_
.hash_offset = 2,
.foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.disable_pll_modes = true,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5255,11 +5271,15 @@ static const struct mtk_soc_data mt7629_
+@@ -5258,11 +5274,15 @@ static const struct mtk_soc_data mt7629_
.required_pctl = false,
.has_accounting = true,
.version = 1,
.dma_max_len = MTK_TX_DMA_BUF_LEN,
.dma_len_offset = 16,
},
-@@ -5277,11 +5297,15 @@ static const struct mtk_soc_data mt7981_
+@@ -5280,11 +5300,15 @@ static const struct mtk_soc_data mt7981_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5299,11 +5323,15 @@ static const struct mtk_soc_data mt7986_
+@@ -5302,11 +5326,15 @@ static const struct mtk_soc_data mt7986_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5321,11 +5349,15 @@ static const struct mtk_soc_data mt7988_
+@@ -5324,11 +5352,15 @@ static const struct mtk_soc_data mt7988_
.hash_offset = 4,
.has_accounting = true,
.foe_entry_size = MTK_FOE_ENTRY_V3_SIZE,
.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
.dma_len_offset = 8,
},
-@@ -5338,11 +5370,15 @@ static const struct mtk_soc_data rt5350_
+@@ -5341,11 +5373,15 @@ static const struct mtk_soc_data rt5350_
.required_clks = MT7628_CLKS_BITMAP,
.required_pctl = false,
.version = 1,
/* Set FE to PDMAv2 if necessary */
val = mtk_r32(eth, MTK_FE_GLO_MISC);
mtk_w32(eth, val | BIT(4), MTK_FE_GLO_MISC);
-@@ -5303,11 +5303,11 @@ static const struct mtk_soc_data mt7981_
+@@ -5306,11 +5306,11 @@ static const struct mtk_soc_data mt7981_
.dma_len_offset = 8,
},
.rx = {
},
};
-@@ -5329,11 +5329,11 @@ static const struct mtk_soc_data mt7986_
+@@ -5332,11 +5332,11 @@ static const struct mtk_soc_data mt7986_
.dma_len_offset = 8,
},
.rx = {
projects / openwrt / staging / jow.git / commitdiff