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Message-ID: <20250213080553.921434-2-SkyLake.Huang@mediatek.com>
Date: Thu, 13 Feb 2025 16:05:49 +0800
From: Sky Huang <SkyLake.Huang@...iatek.com>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>, "David S. Miller"
<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Daniel Golle
<daniel@...rotopia.org>, Qingfang Deng <dqfext@...il.com>, SkyLake Huang
<SkyLake.Huang@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Simon
Horman <horms@...nel.org>, <linux-kernel@...r.kernel.org>,
<netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>
CC: Steven Liu <Steven.Liu@...iatek.com>, Sky Huang
<skylake.huang@...iatek.com>
Subject: [PATCH net-next v2 1/5] net: phy: mediatek: Change to more meaningful macros
From: Sky Huang <skylake.huang@...iatek.com>
Replace magic number with more meaningful macros in mtk-ge.c.
Also, move some common macros into mtk-phy-lib.c.
Signed-off-by: Sky Huang <skylake.huang@...iatek.com>
---
drivers/net/phy/mediatek/mtk-ge-soc.c | 1 -
drivers/net/phy/mediatek/mtk-ge.c | 71 +++++++++++++++++++++------
drivers/net/phy/mediatek/mtk.h | 2 +
3 files changed, 57 insertions(+), 17 deletions(-)
diff --git a/drivers/net/phy/mediatek/mtk-ge-soc.c b/drivers/net/phy/mediatek/mtk-ge-soc.c
index 38dc898..f4f40a4 100644
--- a/drivers/net/phy/mediatek/mtk-ge-soc.c
+++ b/drivers/net/phy/mediatek/mtk-ge-soc.c
@@ -24,7 +24,6 @@
#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
#define ANALOG_INTERNAL_OPERATION_MAX_US 20
#define TXRESERVE_MIN 0
diff --git a/drivers/net/phy/mediatek/mtk-ge.c b/drivers/net/phy/mediatek/mtk-ge.c
index ed2617b..1e4adf1 100644
--- a/drivers/net/phy/mediatek/mtk-ge.c
+++ b/drivers/net/phy/mediatek/mtk-ge.c
@@ -8,18 +8,38 @@
#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 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)
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);
@@ -29,10 +49,20 @@ static void mtk_gephy_config_init(struct phy_device *phydev)
phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
/* 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)
@@ -40,7 +70,8 @@ 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;
}
@@ -51,11 +82,19 @@ 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.h b/drivers/net/phy/mediatek/mtk.h
index 63d9fe1..a888e2e 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
--
2.18.0
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