[PATCH 0/3] MediaTek ethernet driver refactor and updates
This patch series will split the switch initialization code from mtk_eth driver into their own files and then add new SoC and switch support.
Weijie Gao (3): net: mediatek: split ethernet switch code from mtk_eth.c net: mediatek: add support for MediaTek MT7987 SoC net: mediatek: add support for Airoha AN8855 ethernet switch
drivers/net/Kconfig | 21 +- drivers/net/Makefile | 2 +- drivers/net/mtk_eth/Kconfig | 39 + drivers/net/mtk_eth/Makefile | 10 + drivers/net/mtk_eth/an8855.c | 1096 +++++++++++++++++++++++++++ drivers/net/mtk_eth/mt7530.c | 281 +++++++ drivers/net/mtk_eth/mt7531.c | 293 +++++++ drivers/net/mtk_eth/mt753x.c | 262 +++++++ drivers/net/mtk_eth/mt753x.h | 286 +++++++ drivers/net/mtk_eth/mt7988.c | 160 ++++ drivers/net/{ => mtk_eth}/mtk_eth.c | 981 ++++-------------------- drivers/net/{ => mtk_eth}/mtk_eth.h | 301 ++------ 12 files changed, 2631 insertions(+), 1101 deletions(-) create mode 100644 drivers/net/mtk_eth/Kconfig create mode 100644 drivers/net/mtk_eth/Makefile create mode 100644 drivers/net/mtk_eth/an8855.c create mode 100644 drivers/net/mtk_eth/mt7530.c create mode 100644 drivers/net/mtk_eth/mt7531.c create mode 100644 drivers/net/mtk_eth/mt753x.c create mode 100644 drivers/net/mtk_eth/mt753x.h create mode 100644 drivers/net/mtk_eth/mt7988.c rename drivers/net/{ => mtk_eth}/mtk_eth.c (62%) rename drivers/net/{ => mtk_eth}/mtk_eth.h (59%)
mtk_eth.c contains not only the ethernet GMAC/DMA driver, but also some ethernet switch initialization code. As we may add more switch support in the future, it's better to move them out of mtk_eth.c to avoid increasing the code complexity.
Since not all switches are supported for a particular board, Kconfig options are added to allow user to select which switch should be built into u-boot. If multiple switches are selected, auto-detecting can also be enabled.
Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- drivers/net/Kconfig | 21 +- drivers/net/Makefile | 2 +- drivers/net/mtk_eth/Kconfig | 35 + drivers/net/mtk_eth/Makefile | 9 + drivers/net/mtk_eth/mt7530.c | 281 ++++++++ drivers/net/mtk_eth/mt7531.c | 293 +++++++++ drivers/net/mtk_eth/mt753x.c | 262 ++++++++ drivers/net/mtk_eth/mt753x.h | 286 ++++++++ drivers/net/mtk_eth/mt7988.c | 160 +++++ drivers/net/{ => mtk_eth}/mtk_eth.c | 971 ++++------------------------ drivers/net/{ => mtk_eth}/mtk_eth.h | 301 ++------- 11 files changed, 1520 insertions(+), 1101 deletions(-) create mode 100644 drivers/net/mtk_eth/Kconfig create mode 100644 drivers/net/mtk_eth/Makefile create mode 100644 drivers/net/mtk_eth/mt7530.c create mode 100644 drivers/net/mtk_eth/mt7531.c create mode 100644 drivers/net/mtk_eth/mt753x.c create mode 100644 drivers/net/mtk_eth/mt753x.h create mode 100644 drivers/net/mtk_eth/mt7988.c rename drivers/net/{ => mtk_eth}/mtk_eth.c (62%) rename drivers/net/{ => mtk_eth}/mtk_eth.h (59%)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 88ff025a37b..e48e28d00a3 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -966,26 +966,7 @@ config TSEC_ENET This driver implements support for the (Enhanced) Three-Speed Ethernet Controller found on Freescale SoCs.
-config MEDIATEK_ETH - bool "MediaTek Ethernet GMAC Driver" - select PHYLIB - select DM_GPIO - select DM_RESET - help - This Driver support MediaTek Ethernet GMAC - Say Y to enable support for the MediaTek Ethernet GMAC. - -if MEDIATEK_ETH - -config MTK_ETH_SGMII - bool - default y if ARCH_MEDIATEK && !TARGET_MT7623 - -config MTK_ETH_XGMII - bool - default y if TARGET_MT7987 || TARGET_MT7988 - -endif # MEDIATEK_ETH +source "drivers/net/mtk_eth/Kconfig"
config HIFEMAC_ETH bool "HiSilicon Fast Ethernet Controller" diff --git a/drivers/net/Makefile b/drivers/net/Makefile index e51a917933e..6f3d63dc4cd 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -68,7 +68,7 @@ obj-$(CONFIG_MDIO_MUX_MESON_GXL) += mdio_mux_meson_gxl.o obj-$(CONFIG_MDIO_MUX_MMIOREG) += mdio_mux_mmioreg.o obj-$(CONFIG_MDIO_MUX_SANDBOX) += mdio_mux_sandbox.o obj-$(CONFIG_MDIO_SANDBOX) += mdio_sandbox.o -obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o +obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth/ obj-$(CONFIG_MPC8XX_FEC) += mpc8xx_fec.o obj-$(CONFIG_MT7620_ETH) += mt7620-eth.o obj-$(CONFIG_MT7628_ETH) += mt7628-eth.o diff --git a/drivers/net/mtk_eth/Kconfig b/drivers/net/mtk_eth/Kconfig new file mode 100644 index 00000000000..8d012fb1374 --- /dev/null +++ b/drivers/net/mtk_eth/Kconfig @@ -0,0 +1,35 @@ + +config MEDIATEK_ETH + bool "MediaTek Ethernet GMAC Driver" + select PHYLIB + select DM_GPIO + select DM_RESET + help + This Driver support MediaTek Ethernet GMAC + Say Y to enable support for the MediaTek Ethernet GMAC. + +if MEDIATEK_ETH + +config MTK_ETH_SGMII + bool + default y if ARCH_MEDIATEK && !TARGET_MT7623 + +config MTK_ETH_XGMII + bool + default y if TARGET_MT7988 + +config MTK_ETH_SWITCH_MT7530 + bool "Support for MediaTek MT7530 ethernet switch" + default y if TARGET_MT7623 || SOC_MT7621 + +config MTK_ETH_SWITCH_MT7531 + bool "Support for MediaTek MT7531 ethernet switch" + default y if TARGET_MT7622 || TARGET_MT7629 || TARGET_MT7981 || \ + TARGET_MT7986 + +config MTK_ETH_SWITCH_MT7988 + bool "Support for MediaTek MT7988 built-in ethernet switch" + depends on TARGET_MT7988 + default y + +endif # MEDIATEK_ETH diff --git a/drivers/net/mtk_eth/Makefile b/drivers/net/mtk_eth/Makefile new file mode 100644 index 00000000000..885375c5b38 --- /dev/null +++ b/drivers/net/mtk_eth/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2025 MediaTek Inc. +# Author: Weijie Gao weijie.gao@mediatek.com + +obj-y += mtk_eth.o +obj-$(CONFIG_MTK_ETH_SWITCH_MT7530) += mt753x.o mt7530.o +obj-$(CONFIG_MTK_ETH_SWITCH_MT7531) += mt753x.o mt7531.o +obj-$(CONFIG_MTK_ETH_SWITCH_MT7988) += mt753x.o mt7988.o diff --git a/drivers/net/mtk_eth/mt7530.c b/drivers/net/mtk_eth/mt7530.c new file mode 100644 index 00000000000..3065d35e126 --- /dev/null +++ b/drivers/net/mtk_eth/mt7530.c @@ -0,0 +1,281 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Weijie Gao weijie.gao@mediatek.com + * Author: Mark Lee mark-mc.lee@mediatek.com + */ + +#include <miiphy.h> +#include <linux/delay.h> +#include <linux/mdio.h> +#include <linux/mii.h> +#include "mtk_eth.h" +#include "mt753x.h" + +#define CHIP_REV 0x7ffc +#define CHIP_NAME_S 16 +#define CHIP_NAME_M 0xffff0000 +#define CHIP_REV_S 0 +#define CHIP_REV_M 0x0f + +static void mt7530_core_reg_write(struct mt753x_switch_priv *priv, u32 reg, + u32 val) +{ + u8 phy_addr = MT753X_PHY_ADDR(priv->phy_base, 0); + + mtk_mmd_ind_write(priv->epriv.eth, phy_addr, 0x1f, reg, val); +} + +static int mt7530_pad_clk_setup(struct mt753x_switch_priv *priv, int mode) +{ + u32 ncpo1, ssc_delta; + + switch (mode) { + case PHY_INTERFACE_MODE_RGMII: + ncpo1 = 0x0c80; + ssc_delta = 0x87; + break; + + default: + printf("error: xMII mode %d is not supported\n", mode); + return -EINVAL; + } + + /* Disable MT7530 core clock */ + mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, 0); + + /* Disable MT7530 PLL */ + mt7530_core_reg_write(priv, CORE_GSWPLL_GRP1, + (2 << RG_GSWPLL_POSDIV_200M_S) | + (32 << RG_GSWPLL_FBKDIV_200M_S)); + + /* For MT7530 core clock = 500Mhz */ + mt7530_core_reg_write(priv, CORE_GSWPLL_GRP2, + (1 << RG_GSWPLL_POSDIV_500M_S) | + (25 << RG_GSWPLL_FBKDIV_500M_S)); + + /* Enable MT7530 PLL */ + mt7530_core_reg_write(priv, CORE_GSWPLL_GRP1, + (2 << RG_GSWPLL_POSDIV_200M_S) | + (32 << RG_GSWPLL_FBKDIV_200M_S) | + RG_GSWPLL_EN_PRE); + + udelay(20); + + mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, REG_GSWCK_EN); + + /* Setup the MT7530 TRGMII Tx Clock */ + mt7530_core_reg_write(priv, CORE_PLL_GROUP5, ncpo1); + mt7530_core_reg_write(priv, CORE_PLL_GROUP6, 0); + mt7530_core_reg_write(priv, CORE_PLL_GROUP10, ssc_delta); + mt7530_core_reg_write(priv, CORE_PLL_GROUP11, ssc_delta); + mt7530_core_reg_write(priv, CORE_PLL_GROUP4, RG_SYSPLL_DDSFBK_EN | + RG_SYSPLL_BIAS_EN | RG_SYSPLL_BIAS_LPF_EN); + + mt7530_core_reg_write(priv, CORE_PLL_GROUP2, + RG_SYSPLL_EN_NORMAL | RG_SYSPLL_VODEN | + (1 << RG_SYSPLL_POSDIV_S)); + + mt7530_core_reg_write(priv, CORE_PLL_GROUP7, + RG_LCDDS_PCW_NCPO_CHG | (3 << RG_LCCDS_C_S) | + RG_LCDDS_PWDB | RG_LCDDS_ISO_EN); + + /* Enable MT7530 core clock */ + mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, + REG_GSWCK_EN | REG_TRGMIICK_EN); + + return 0; +} + +static void mt7530_mac_control(struct mtk_eth_switch_priv *swpriv, bool enable) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u32 pmcr = FORCE_MODE; + + if (enable) + pmcr = priv->pmcr; + + mt753x_reg_write(priv, PMCR_REG(6), pmcr); +} + +static int mt7530_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct mt753x_switch_priv *priv = bus->priv; + + if (devad < 0) + return mtk_mii_read(priv->epriv.eth, addr, reg); + + return mtk_mmd_ind_read(priv->epriv.eth, addr, devad, reg); +} + +static int mt7530_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, + u16 val) +{ + struct mt753x_switch_priv *priv = bus->priv; + + if (devad < 0) + return mtk_mii_write(priv->epriv.eth, addr, reg, val); + + return mtk_mmd_ind_write(priv->epriv.eth, addr, devad, reg, val); +} + +static int mt7530_mdio_register(struct mt753x_switch_priv *priv) +{ + struct mii_dev *mdio_bus = mdio_alloc(); + int ret; + + if (!mdio_bus) + return -ENOMEM; + + mdio_bus->read = mt7530_mdio_read; + mdio_bus->write = mt7530_mdio_write; + snprintf(mdio_bus->name, sizeof(mdio_bus->name), priv->epriv.sw->name); + + mdio_bus->priv = priv; + + ret = mdio_register(mdio_bus); + if (ret) { + mdio_free(mdio_bus); + return ret; + } + + priv->mdio_bus = mdio_bus; + + return 0; +} + +static int mt7530_setup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u16 phy_addr, phy_val; + u32 i, val, txdrv; + + priv->smi_addr = MT753X_DFL_SMI_ADDR; + priv->reg_read = mt753x_mdio_reg_read; + priv->reg_write = mt753x_mdio_reg_write; + + if (!MTK_HAS_CAPS(priv->epriv.soc->caps, MTK_TRGMII_MT7621_CLK)) { + /* Select 250MHz clk for RGMII mode */ + mtk_ethsys_rmw(priv->epriv.eth, ETHSYS_CLKCFG0_REG, + ETHSYS_TRGMII_CLK_SEL362_5, 0); + + txdrv = 8; + } else { + txdrv = 4; + } + + /* Modify HWTRAP first to allow direct access to internal PHYs */ + mt753x_reg_read(priv, HWTRAP_REG, &val); + val |= CHG_TRAP; + val &= ~C_MDIO_BPS; + mt753x_reg_write(priv, MHWTRAP_REG, val); + + /* Calculate the phy base address */ + val = ((val & SMI_ADDR_M) >> SMI_ADDR_S) << 3; + priv->phy_base = (val | 0x7) + 1; + + /* Turn off PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mtk_mii_read(priv->epriv.eth, phy_addr, MII_BMCR); + phy_val |= BMCR_PDOWN; + mtk_mii_write(priv->epriv.eth, phy_addr, MII_BMCR, phy_val); + } + + /* Force MAC link down before reset */ + mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE); + mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE); + + /* MT7530 reset */ + mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST); + udelay(100); + + val = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | + MAC_MODE | FORCE_MODE | + MAC_TX_EN | MAC_RX_EN | + BKOFF_EN | BACKPR_EN | + (SPEED_1000M << FORCE_SPD_S) | + FORCE_DPX | FORCE_LINK; + + /* MT7530 Port6: Forced 1000M/FD, FC disabled */ + priv->pmcr = val; + + /* MT7530 Port5: Forced link down */ + mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE); + + /* Keep MAC link down before starting eth */ + mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE); + + /* MT7530 Port6: Set to RGMII */ + mt753x_reg_rmw(priv, MT7530_P6ECR, P6_INTF_MODE_M, P6_INTF_MODE_RGMII); + + /* Hardware Trap: Enable Port6, Disable Port5 */ + mt753x_reg_read(priv, HWTRAP_REG, &val); + val |= CHG_TRAP | LOOPDET_DIS | P5_INTF_DIS | + (P5_INTF_SEL_GMAC5 << P5_INTF_SEL_S) | + (P5_INTF_MODE_RGMII << P5_INTF_MODE_S); + val &= ~(C_MDIO_BPS | P6_INTF_DIS); + mt753x_reg_write(priv, MHWTRAP_REG, val); + + /* Setup switch core pll */ + mt7530_pad_clk_setup(priv, priv->epriv.phy_interface); + + /* Lower Tx Driving for TRGMII path */ + for (i = 0 ; i < NUM_TRGMII_CTRL ; i++) + mt753x_reg_write(priv, MT7530_TRGMII_TD_ODT(i), + (txdrv << TD_DM_DRVP_S) | + (txdrv << TD_DM_DRVN_S)); + + for (i = 0 ; i < NUM_TRGMII_CTRL; i++) + mt753x_reg_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_M, 16); + + /* Enable port isolation to block inter-port communication */ + mt753x_port_isolation(priv); + + /* Turn on PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mtk_mii_read(priv->epriv.eth, phy_addr, MII_BMCR); + phy_val &= ~BMCR_PDOWN; + mtk_mii_write(priv->epriv.eth, phy_addr, MII_BMCR, phy_val); + } + + return mt7530_mdio_register(priv); +} + +static int mt7530_cleanup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + + mdio_unregister(priv->mdio_bus); + + return 0; +} + +static int mt7530_detect(struct mtk_eth_priv *priv) +{ + int ret; + u32 rev; + + ret = __mt753x_mdio_reg_read(priv, MT753X_DFL_SMI_ADDR, CHIP_REV, &rev); + if (ret) + return ret; + + if (((rev & CHIP_NAME_M) >> CHIP_NAME_S) == 0x7530) + return 0; + + return -ENODEV; +} + +MTK_ETH_SWITCH(mt7530) = { + .name = "mt7530", + .desc = "MediaTek MT7530", + .priv_size = sizeof(struct mt753x_switch_priv), + .reset_wait_time = 1000, + + .detect = mt7530_detect, + .setup = mt7530_setup, + .cleanup = mt7530_cleanup, + .mac_control = mt7530_mac_control, +}; diff --git a/drivers/net/mtk_eth/mt7531.c b/drivers/net/mtk_eth/mt7531.c new file mode 100644 index 00000000000..32d6bebbbdb --- /dev/null +++ b/drivers/net/mtk_eth/mt7531.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Weijie Gao weijie.gao@mediatek.com + * Author: Mark Lee mark-mc.lee@mediatek.com + */ + +#include <miiphy.h> +#include <linux/delay.h> +#include <linux/mdio.h> +#include <linux/mii.h> +#include "mtk_eth.h" +#include "mt753x.h" + +#define CHIP_REV 0x781C +#define CHIP_NAME_S 16 +#define CHIP_NAME_M 0xffff0000 +#define CHIP_REV_S 0 +#define CHIP_REV_M 0x0f +#define CHIP_REV_E1 0x0 + +static int mt7531_core_reg_read(struct mt753x_switch_priv *priv, u32 reg) +{ + u8 phy_addr = MT753X_PHY_ADDR(priv->phy_base, 0); + + return mt7531_mmd_read(priv, phy_addr, 0x1f, reg); +} + +static void mt7531_core_reg_write(struct mt753x_switch_priv *priv, u32 reg, + u32 val) +{ + u8 phy_addr = MT753X_PHY_ADDR(priv->phy_base, 0); + + mt7531_mmd_write(priv, phy_addr, 0x1f, reg, val); +} + +static void mt7531_core_pll_setup(struct mt753x_switch_priv *priv) +{ + /* Step 1 : Disable MT7531 COREPLL */ + mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, 0); + + /* Step 2: switch to XTAL output */ + mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_CLKSW, SW_CLKSW); + + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, 0); + + /* Step 3: disable PLLGP and enable program PLLGP */ + mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_PLLGP, SW_PLLGP); + + /* Step 4: program COREPLL output frequency to 500MHz */ + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_POSDIV_M, + 2 << RG_COREPLL_POSDIV_S); + udelay(25); + + /* Currently, support XTAL 25Mhz only */ + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_M, + 0x140000 << RG_COREPLL_SDM_PCW_S); + + /* Set feedback divide ratio update signal to high */ + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG, + RG_COREPLL_SDM_PCW_CHG); + + /* Wait for at least 16 XTAL clocks */ + udelay(10); + + /* Step 5: set feedback divide ratio update signal to low */ + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG, 0); + + /* add enable 325M clock for SGMII */ + mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR5, 0xad0000); + + /* add enable 250SSC clock for RGMII */ + mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR2, 0x4f40000); + + /*Step 6: Enable MT7531 PLL */ + mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, RG_COREPLL_EN); + + mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, EN_COREPLL); + + udelay(25); +} + +static int mt7531_port_sgmii_init(struct mt753x_switch_priv *priv, u32 port) +{ + if (port != 5 && port != 6) { + printf("mt7531: port %d is not a SGMII port\n", port); + return -EINVAL; + } + + /* Set SGMII GEN2 speed(2.5G) */ + mt753x_reg_rmw(priv, MT7531_PHYA_CTRL_SIGNAL3(port), SGMSYS_SPEED_MASK, + FIELD_PREP(SGMSYS_SPEED_MASK, SGMSYS_SPEED_2500)); + + /* Disable SGMII AN */ + mt753x_reg_rmw(priv, MT7531_PCS_CONTROL_1(port), + SGMII_AN_ENABLE, 0); + + /* SGMII force mode setting */ + mt753x_reg_write(priv, MT7531_SGMII_MODE(port), SGMII_FORCE_MODE); + + /* Release PHYA power down state */ + mt753x_reg_rmw(priv, MT7531_QPHY_PWR_STATE_CTRL(port), + SGMII_PHYA_PWD, 0); + + return 0; +} + +static int mt7531_port_rgmii_init(struct mt753x_switch_priv *priv, u32 port) +{ + u32 val; + + if (port != 5) { + printf("error: RGMII mode is not available for port %d\n", + port); + return -EINVAL; + } + + mt753x_reg_read(priv, MT7531_CLKGEN_CTRL, &val); + val |= GP_CLK_EN; + val &= ~GP_MODE_M; + val |= GP_MODE_RGMII << GP_MODE_S; + val |= TXCLK_NO_REVERSE; + val |= RXCLK_NO_DELAY; + val &= ~CLK_SKEW_IN_M; + val |= CLK_SKEW_IN_NO_CHANGE << CLK_SKEW_IN_S; + val &= ~CLK_SKEW_OUT_M; + val |= CLK_SKEW_OUT_NO_CHANGE << CLK_SKEW_OUT_S; + mt753x_reg_write(priv, MT7531_CLKGEN_CTRL, val); + + return 0; +} + +static void mt7531_phy_setting(struct mt753x_switch_priv *priv) +{ + int i; + u32 val; + + for (i = 0; i < MT753X_NUM_PHYS; i++) { + /* Enable HW auto downshift */ + mt7531_mii_write(priv, i, 0x1f, 0x1); + val = mt7531_mii_read(priv, i, PHY_EXT_REG_14); + val |= PHY_EN_DOWN_SHFIT; + mt7531_mii_write(priv, i, PHY_EXT_REG_14, val); + + /* PHY link down power saving enable */ + val = mt7531_mii_read(priv, i, PHY_EXT_REG_17); + val |= PHY_LINKDOWN_POWER_SAVING_EN; + mt7531_mii_write(priv, i, PHY_EXT_REG_17, val); + + val = mt7531_mmd_read(priv, i, 0x1e, PHY_DEV1E_REG_0C6); + val &= ~PHY_POWER_SAVING_M; + val |= PHY_POWER_SAVING_TX << PHY_POWER_SAVING_S; + mt7531_mmd_write(priv, i, 0x1e, PHY_DEV1E_REG_0C6, val); + } +} + +static void mt7531_mac_control(struct mtk_eth_switch_priv *swpriv, bool enable) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u32 pmcr = FORCE_MODE_LNK; + + if (enable) + pmcr = priv->pmcr; + + mt753x_reg_write(priv, PMCR_REG(5), pmcr); + mt753x_reg_write(priv, PMCR_REG(6), pmcr); +} + +static int mt7531_setup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u32 i, val, pmcr, port5_sgmii; + u16 phy_addr, phy_val; + + priv->smi_addr = MT753X_DFL_SMI_ADDR; + priv->phy_base = (priv->smi_addr + 1) & MT753X_SMI_ADDR_MASK; + priv->reg_read = mt753x_mdio_reg_read; + priv->reg_write = mt753x_mdio_reg_write; + + /* Turn off PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mt7531_mii_read(priv, phy_addr, MII_BMCR); + phy_val |= BMCR_PDOWN; + mt7531_mii_write(priv, phy_addr, MII_BMCR, phy_val); + } + + /* Force MAC link down before reset */ + mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE_LNK); + mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); + + /* Switch soft reset */ + mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST); + udelay(100); + + /* Enable MDC input Schmitt Trigger */ + mt753x_reg_rmw(priv, MT7531_SMT0_IOLB, SMT_IOLB_5_SMI_MDC_EN, + SMT_IOLB_5_SMI_MDC_EN); + + mt7531_core_pll_setup(priv); + + mt753x_reg_read(priv, MT7531_TOP_SIG_SR, &val); + port5_sgmii = !!(val & PAD_DUAL_SGMII_EN); + + /* port5 support either RGMII or SGMII, port6 only support SGMII. */ + switch (priv->epriv.phy_interface) { + case PHY_INTERFACE_MODE_RGMII: + if (!port5_sgmii) + mt7531_port_rgmii_init(priv, 5); + break; + + case PHY_INTERFACE_MODE_2500BASEX: + mt7531_port_sgmii_init(priv, 6); + if (port5_sgmii) + mt7531_port_sgmii_init(priv, 5); + break; + + default: + break; + } + + pmcr = MT7531_FORCE_MODE | + (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | + MAC_MODE | MAC_TX_EN | MAC_RX_EN | + BKOFF_EN | BACKPR_EN | + FORCE_RX_FC | FORCE_TX_FC | + (SPEED_1000M << FORCE_SPD_S) | FORCE_DPX | + FORCE_LINK; + + priv->pmcr = pmcr; + + /* Keep MAC link down before starting eth */ + mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE_LNK); + mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); + + /* Enable port isolation to block inter-port communication */ + mt753x_port_isolation(priv); + + /* Turn on PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mt7531_mii_read(priv, phy_addr, MII_BMCR); + phy_val &= ~BMCR_PDOWN; + mt7531_mii_write(priv, phy_addr, MII_BMCR, phy_val); + } + + mt7531_phy_setting(priv); + + /* Enable Internal PHYs */ + val = mt7531_core_reg_read(priv, CORE_PLL_GROUP4); + val |= MT7531_BYPASS_MODE; + val &= ~MT7531_POWER_ON_OFF; + mt7531_core_reg_write(priv, CORE_PLL_GROUP4, val); + + return mt7531_mdio_register(priv); +} + +static int mt7531_cleanup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + + mdio_unregister(priv->mdio_bus); + + return 0; +} + +static int mt7531_detect(struct mtk_eth_priv *priv) +{ + int ret; + u32 rev; + + ret = __mt753x_mdio_reg_read(priv, MT753X_DFL_SMI_ADDR, CHIP_REV, &rev); + if (ret) + return ret; + + if (((rev & CHIP_NAME_M) >> CHIP_NAME_S) == 0x7531) + return 0; + + return -ENODEV; +} + +MTK_ETH_SWITCH(mt7531) = { + .name = "mt7531", + .desc = "MediaTek MT7531", + .priv_size = sizeof(struct mt753x_switch_priv), + .reset_wait_time = 200, + + .detect = mt7531_detect, + .setup = mt7531_setup, + .cleanup = mt7531_cleanup, + .mac_control = mt7531_mac_control, +}; diff --git a/drivers/net/mtk_eth/mt753x.c b/drivers/net/mtk_eth/mt753x.c new file mode 100644 index 00000000000..cdd52f3ff1b --- /dev/null +++ b/drivers/net/mtk_eth/mt753x.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Weijie Gao weijie.gao@mediatek.com + * Author: Mark Lee mark-mc.lee@mediatek.com + */ + +#include <errno.h> +#include <time.h> +#include "mtk_eth.h" +#include "mt753x.h" + +/* + * MT753x Internal Register Address Bits + * ------------------------------------------------------------------- + * | 15 14 13 12 11 10 9 8 7 6 | 5 4 3 2 | 1 0 | + * |----------------------------------------|---------------|--------| + * | Page Address | Reg Address | Unused | + * ------------------------------------------------------------------- + */ + +int __mt753x_mdio_reg_read(struct mtk_eth_priv *priv, u32 smi_addr, u32 reg, + u32 *data) +{ + int ret, low_word, high_word; + + /* Write page address */ + ret = mtk_mii_write(priv, smi_addr, 0x1f, reg >> 6); + if (ret) + return ret; + + /* Read low word */ + low_word = mtk_mii_read(priv, smi_addr, (reg >> 2) & 0xf); + if (low_word < 0) + return low_word; + + /* Read high word */ + high_word = mtk_mii_read(priv, smi_addr, 0x10); + if (high_word < 0) + return high_word; + + if (data) + *data = ((u32)high_word << 16) | (low_word & 0xffff); + + return 0; +} + +int mt753x_mdio_reg_read(struct mt753x_switch_priv *priv, u32 reg, u32 *data) +{ + return __mt753x_mdio_reg_read(priv->epriv.eth, priv->smi_addr, reg, + data); +} + +int mt753x_mdio_reg_write(struct mt753x_switch_priv *priv, u32 reg, u32 data) +{ + int ret; + + /* Write page address */ + ret = mtk_mii_write(priv->epriv.eth, priv->smi_addr, 0x1f, reg >> 6); + if (ret) + return ret; + + /* Write low word */ + ret = mtk_mii_write(priv->epriv.eth, priv->smi_addr, (reg >> 2) & 0xf, + data & 0xffff); + if (ret) + return ret; + + /* Write high word */ + return mtk_mii_write(priv->epriv.eth, priv->smi_addr, 0x10, data >> 16); +} + +int mt753x_reg_read(struct mt753x_switch_priv *priv, u32 reg, u32 *data) +{ + return priv->reg_read(priv, reg, data); +} + +int mt753x_reg_write(struct mt753x_switch_priv *priv, u32 reg, u32 data) +{ + return priv->reg_write(priv, reg, data); +} + +void mt753x_reg_rmw(struct mt753x_switch_priv *priv, u32 reg, u32 clr, u32 set) +{ + u32 val; + + priv->reg_read(priv, reg, &val); + val &= ~clr; + val |= set; + priv->reg_write(priv, reg, val); +} + +/* Indirect MDIO clause 22/45 access */ +static int mt7531_mii_rw(struct mt753x_switch_priv *priv, int phy, int reg, + u16 data, u32 cmd, u32 st) +{ + u32 val, timeout_ms; + ulong timeout; + int ret = 0; + + val = (st << MDIO_ST_S) | + ((cmd << MDIO_CMD_S) & MDIO_CMD_M) | + ((phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) | + ((reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M); + + if (cmd == MDIO_CMD_WRITE || cmd == MDIO_CMD_ADDR) + val |= data & MDIO_RW_DATA_M; + + mt753x_reg_write(priv, MT7531_PHY_IAC, val | PHY_ACS_ST); + + timeout_ms = 100; + timeout = get_timer(0); + while (1) { + mt753x_reg_read(priv, MT7531_PHY_IAC, &val); + + if ((val & PHY_ACS_ST) == 0) + break; + + if (get_timer(timeout) > timeout_ms) + return -ETIMEDOUT; + } + + if (cmd == MDIO_CMD_READ || cmd == MDIO_CMD_READ_C45) { + mt753x_reg_read(priv, MT7531_PHY_IAC, &val); + ret = val & MDIO_RW_DATA_M; + } + + return ret; +} + +int mt7531_mii_read(struct mt753x_switch_priv *priv, u8 phy, u8 reg) +{ + u8 phy_addr; + + if (phy >= MT753X_NUM_PHYS) + return -EINVAL; + + phy_addr = MT753X_PHY_ADDR(priv->phy_base, phy); + + return mt7531_mii_rw(priv, phy_addr, reg, 0, MDIO_CMD_READ, + MDIO_ST_C22); +} + +int mt7531_mii_write(struct mt753x_switch_priv *priv, u8 phy, u8 reg, u16 val) +{ + u8 phy_addr; + + if (phy >= MT753X_NUM_PHYS) + return -EINVAL; + + phy_addr = MT753X_PHY_ADDR(priv->phy_base, phy); + + return mt7531_mii_rw(priv, phy_addr, reg, val, MDIO_CMD_WRITE, + MDIO_ST_C22); +} + +int mt7531_mmd_read(struct mt753x_switch_priv *priv, u8 addr, u8 devad, + u16 reg) +{ + u8 phy_addr; + int ret; + + if (addr >= MT753X_NUM_PHYS) + return -EINVAL; + + phy_addr = MT753X_PHY_ADDR(priv->phy_base, addr); + + ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR, + MDIO_ST_C45); + if (ret) + return ret; + + return mt7531_mii_rw(priv, phy_addr, devad, 0, MDIO_CMD_READ_C45, + MDIO_ST_C45); +} + +int mt7531_mmd_write(struct mt753x_switch_priv *priv, u8 addr, u8 devad, + u16 reg, u16 val) +{ + u8 phy_addr; + int ret; + + if (addr >= MT753X_NUM_PHYS) + return 0; + + phy_addr = MT753X_PHY_ADDR(priv->phy_base, addr); + + ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR, + MDIO_ST_C45); + if (ret) + return ret; + + return mt7531_mii_rw(priv, phy_addr, devad, val, MDIO_CMD_WRITE, + MDIO_ST_C45); +} + +static int mt7531_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct mt753x_switch_priv *priv = bus->priv; + + if (devad < 0) + return mt7531_mii_read(priv, addr, reg); + + return mt7531_mmd_read(priv, addr, devad, reg); +} + +static int mt7531_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, + u16 val) +{ + struct mt753x_switch_priv *priv = bus->priv; + + if (devad < 0) + return mt7531_mii_write(priv, addr, reg, val); + + return mt7531_mmd_write(priv, addr, devad, reg, val); +} + +int mt7531_mdio_register(struct mt753x_switch_priv *priv) +{ + struct mii_dev *mdio_bus = mdio_alloc(); + int ret; + + if (!mdio_bus) + return -ENOMEM; + + mdio_bus->read = mt7531_mdio_read; + mdio_bus->write = mt7531_mdio_write; + snprintf(mdio_bus->name, sizeof(mdio_bus->name), priv->epriv.sw->name); + + mdio_bus->priv = priv; + + ret = mdio_register(mdio_bus); + if (ret) { + mdio_free(mdio_bus); + return ret; + } + + priv->mdio_bus = mdio_bus; + + return 0; +} + +void mt753x_port_isolation(struct mt753x_switch_priv *priv) +{ + u32 i; + + for (i = 0; i < MT753X_NUM_PORTS; i++) { + /* Set port matrix mode */ + if (i != 6) + mt753x_reg_write(priv, PCR_REG(i), + (0x40 << PORT_MATRIX_S)); + else + mt753x_reg_write(priv, PCR_REG(i), + (0x3f << PORT_MATRIX_S)); + + /* Set port mode to user port */ + mt753x_reg_write(priv, PVC_REG(i), + (0x8100 << STAG_VPID_S) | + (VLAN_ATTR_USER << VLAN_ATTR_S)); + } +} diff --git a/drivers/net/mtk_eth/mt753x.h b/drivers/net/mtk_eth/mt753x.h new file mode 100644 index 00000000000..65046a1421c --- /dev/null +++ b/drivers/net/mtk_eth/mt753x.h @@ -0,0 +1,286 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Weijie Gao weijie.gao@mediatek.com + * Author: Mark Lee mark-mc.lee@mediatek.com + */ + +#ifndef _MTK_ETH_MT753X_H_ +#define _MTK_ETH_MT753X_H_ + +#include <phy.h> +#include <miiphy.h> +#include <linux/bitops.h> +#include <linux/bitfield.h> + +struct mtk_eth_priv; + +#define MT753X_NUM_PHYS 5 +#define MT753X_NUM_PORTS 7 +#define MT753X_DFL_SMI_ADDR 31 +#define MT753X_SMI_ADDR_MASK 0x1f + +#define MT753X_PHY_ADDR(base, addr) \ + (((base) + (addr)) & 0x1f) + +/* MT7530 Registers */ +#define PCR_REG(p) (0x2004 + (p) * 0x100) +#define PORT_MATRIX_S 16 +#define PORT_MATRIX_M 0xff0000 + +#define PVC_REG(p) (0x2010 + (p) * 0x100) +#define STAG_VPID_S 16 +#define STAG_VPID_M 0xffff0000 +#define VLAN_ATTR_S 6 +#define VLAN_ATTR_M 0xc0 + +/* VLAN_ATTR: VLAN attributes */ +#define VLAN_ATTR_USER 0 +#define VLAN_ATTR_STACK 1 +#define VLAN_ATTR_TRANSLATION 2 +#define VLAN_ATTR_TRANSPARENT 3 + +#define PMCR_REG(p) (0x3000 + (p) * 0x100) +/* XXX: all fields of MT7530 are defined under GMAC_PORT_MCR + * MT7531 specific fields are defined below + */ +#define FORCE_MODE_EEE1G BIT(25) +#define FORCE_MODE_EEE100 BIT(26) +#define FORCE_MODE_TX_FC BIT(27) +#define FORCE_MODE_RX_FC BIT(28) +#define FORCE_MODE_DPX BIT(29) +#define FORCE_MODE_SPD BIT(30) +#define FORCE_MODE_LNK BIT(31) +#define MT7531_FORCE_MODE FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ + FORCE_MODE_DPX | FORCE_MODE_SPD | \ + FORCE_MODE_LNK +#define MT7988_FORCE_MODE FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ + FORCE_MODE_DPX | FORCE_MODE_SPD | \ + FORCE_MODE_LNK + +/* MT7531 SGMII Registers */ +#define MT7531_SGMII_REG_BASE 0x5000 +#define MT7531_SGMII_REG_PORT_BASE 0x1000 +#define MT7531_SGMII_REG(p, r) (MT7531_SGMII_REG_BASE + \ + (p) * MT7531_SGMII_REG_PORT_BASE + (r)) +#define MT7531_PCS_CONTROL_1(p) MT7531_SGMII_REG(((p) - 5), 0x00) +#define MT7531_SGMII_MODE(p) MT7531_SGMII_REG(((p) - 5), 0x20) +#define MT7531_QPHY_PWR_STATE_CTRL(p) MT7531_SGMII_REG(((p) - 5), 0xe8) +#define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(((p) - 5), 0x128) +#define MT7531_PHYA_ANA_SYSPLL(p) MT7531_SGMII_REG(((p) - 5), 0x158) +/* XXX: all fields of MT7531 SGMII are defined under SGMSYS */ + +/* MT753x System Control Register */ +#define SYS_CTRL_REG 0x7000 +#define SW_PHY_RST BIT(2) +#define SW_SYS_RST BIT(1) +#define SW_REG_RST BIT(0) + +/* MT7531 */ +#define MT7531_PHY_IAC 0x701c +/* XXX: all fields are defined under GMAC_PIAC_REG */ + +#define MT7531_CLKGEN_CTRL 0x7500 +#define CLK_SKEW_OUT_S 8 +#define CLK_SKEW_OUT_M 0x300 +#define CLK_SKEW_IN_S 6 +#define CLK_SKEW_IN_M 0xc0 +#define RXCLK_NO_DELAY BIT(5) +#define TXCLK_NO_REVERSE BIT(4) +#define GP_MODE_S 1 +#define GP_MODE_M 0x06 +#define GP_CLK_EN BIT(0) + +/* Values of GP_MODE */ +#define GP_MODE_RGMII 0 +#define GP_MODE_MII 1 +#define GP_MODE_REV_MII 2 + +/* Values of CLK_SKEW_IN */ +#define CLK_SKEW_IN_NO_CHANGE 0 +#define CLK_SKEW_IN_DELAY_100PPS 1 +#define CLK_SKEW_IN_DELAY_200PPS 2 +#define CLK_SKEW_IN_REVERSE 3 + +/* Values of CLK_SKEW_OUT */ +#define CLK_SKEW_OUT_NO_CHANGE 0 +#define CLK_SKEW_OUT_DELAY_100PPS 1 +#define CLK_SKEW_OUT_DELAY_200PPS 2 +#define CLK_SKEW_OUT_REVERSE 3 + +#define HWTRAP_REG 0x7800 +/* MT7530 Modified Hardware Trap Status Registers */ +#define MHWTRAP_REG 0x7804 +#define CHG_TRAP BIT(16) +#define LOOPDET_DIS BIT(14) +#define P5_INTF_SEL_S 13 +#define P5_INTF_SEL_M 0x2000 +#define SMI_ADDR_S 11 +#define SMI_ADDR_M 0x1800 +#define XTAL_FSEL_S 9 +#define XTAL_FSEL_M 0x600 +#define P6_INTF_DIS BIT(8) +#define P5_INTF_MODE_S 7 +#define P5_INTF_MODE_M 0x80 +#define P5_INTF_DIS BIT(6) +#define C_MDIO_BPS BIT(5) +#define CHIP_MODE_S 0 +#define CHIP_MODE_M 0x0f + +/* P5_INTF_SEL: Interface type of Port5 */ +#define P5_INTF_SEL_GPHY 0 +#define P5_INTF_SEL_GMAC5 1 + +/* P5_INTF_MODE: Interface mode of Port5 */ +#define P5_INTF_MODE_GMII_MII 0 +#define P5_INTF_MODE_RGMII 1 + +#define MT7530_P6ECR 0x7830 +#define P6_INTF_MODE_M 0x3 +#define P6_INTF_MODE_S 0 + +/* P6_INTF_MODE: Interface mode of Port6 */ +#define P6_INTF_MODE_RGMII 0 +#define P6_INTF_MODE_TRGMII 1 + +#define MT7530_TRGMII_RD(n) (0x7a10 + (n) * 8) +#define RD_TAP_S 0 +#define RD_TAP_M 0x7f + +#define MT7530_TRGMII_TD_ODT(n) (0x7a54 + (n) * 8) +/* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */ + +/* TOP Signals Status Register */ +#define MT7531_TOP_SIG_SR 0x780c +#define PAD_MCM_SMI_EN BIT(0) +#define PAD_DUAL_SGMII_EN BIT(1) + +/* MT7531 PLLGP Registers */ +#define MT7531_PLLGP_EN 0x7820 +#define EN_COREPLL BIT(2) +#define SW_CLKSW BIT(1) +#define SW_PLLGP BIT(0) + +#define MT7531_PLLGP_CR0 0x78a8 +#define RG_COREPLL_EN BIT(22) +#define RG_COREPLL_POSDIV_S 23 +#define RG_COREPLL_POSDIV_M 0x3800000 +#define RG_COREPLL_SDM_PCW_S 1 +#define RG_COREPLL_SDM_PCW_M 0x3ffffe +#define RG_COREPLL_SDM_PCW_CHG BIT(0) + +/* MT7531 RGMII and SGMII PLL clock */ +#define MT7531_ANA_PLLGP_CR2 0x78b0 +#define MT7531_ANA_PLLGP_CR5 0x78bc + +/* MT7531 GPIO GROUP IOLB SMT0 Control */ +#define MT7531_SMT0_IOLB 0x7f04 +#define SMT_IOLB_5_SMI_MDC_EN BIT(5) + +/* MT7530 GPHY MDIO MMD Registers */ +#define CORE_PLL_GROUP2 0x401 +#define RG_SYSPLL_EN_NORMAL BIT(15) +#define RG_SYSPLL_VODEN BIT(14) +#define RG_SYSPLL_POSDIV_S 5 +#define RG_SYSPLL_POSDIV_M 0x60 + +#define CORE_PLL_GROUP4 0x403 +#define MT7531_BYPASS_MODE BIT(4) +#define MT7531_POWER_ON_OFF BIT(5) +#define RG_SYSPLL_DDSFBK_EN BIT(12) +#define RG_SYSPLL_BIAS_EN BIT(11) +#define RG_SYSPLL_BIAS_LPF_EN BIT(10) + +#define CORE_PLL_GROUP5 0x404 +#define RG_LCDDS_PCW_NCPO1_S 0 +#define RG_LCDDS_PCW_NCPO1_M 0xffff + +#define CORE_PLL_GROUP6 0x405 +#define RG_LCDDS_PCW_NCPO0_S 0 +#define RG_LCDDS_PCW_NCPO0_M 0xffff + +#define CORE_PLL_GROUP7 0x406 +#define RG_LCDDS_PWDB BIT(15) +#define RG_LCDDS_ISO_EN BIT(13) +#define RG_LCCDS_C_S 4 +#define RG_LCCDS_C_M 0x70 +#define RG_LCDDS_PCW_NCPO_CHG BIT(3) + +#define CORE_PLL_GROUP10 0x409 +#define RG_LCDDS_SSC_DELTA_S 0 +#define RG_LCDDS_SSC_DELTA_M 0xfff + +#define CORE_PLL_GROUP11 0x40a +#define RG_LCDDS_SSC_DELTA1_S 0 +#define RG_LCDDS_SSC_DELTA1_M 0xfff + +#define CORE_GSWPLL_GRP1 0x40d +#define RG_GSWPLL_POSDIV_200M_S 12 +#define RG_GSWPLL_POSDIV_200M_M 0x3000 +#define RG_GSWPLL_EN_PRE BIT(11) +#define RG_GSWPLL_FBKDIV_200M_S 0 +#define RG_GSWPLL_FBKDIV_200M_M 0xff + +#define CORE_GSWPLL_GRP2 0x40e +#define RG_GSWPLL_POSDIV_500M_S 8 +#define RG_GSWPLL_POSDIV_500M_M 0x300 +#define RG_GSWPLL_FBKDIV_500M_S 0 +#define RG_GSWPLL_FBKDIV_500M_M 0xff + +#define CORE_TRGMII_GSW_CLK_CG 0x410 +#define REG_GSWCK_EN BIT(0) +#define REG_TRGMIICK_EN BIT(1) + +/* Extend PHY Control Register 3 */ +#define PHY_EXT_REG_14 0x14 + +/* Fields of PHY_EXT_REG_14 */ +#define PHY_EN_DOWN_SHFIT BIT(4) + +/* Extend PHY Control Register 4 */ +#define PHY_EXT_REG_17 0x17 + +/* Fields of PHY_EXT_REG_17 */ +#define PHY_LINKDOWN_POWER_SAVING_EN BIT(4) + +/* PHY RXADC Control Register 7 */ +#define PHY_DEV1E_REG_0C6 0x0c6 + +/* Fields of PHY_DEV1E_REG_0C6 */ +#define PHY_POWER_SAVING_S 8 +#define PHY_POWER_SAVING_M 0x300 +#define PHY_POWER_SAVING_TX 0x0 + +struct mt753x_switch_priv { + struct mtk_eth_switch_priv epriv; + struct mii_dev *mdio_bus; + u32 smi_addr; + u32 phy_base; + u32 pmcr; + + int (*reg_read)(struct mt753x_switch_priv *priv, u32 reg, u32 *data); + int (*reg_write)(struct mt753x_switch_priv *priv, u32 reg, u32 data); +}; + +int __mt753x_mdio_reg_read(struct mtk_eth_priv *priv, u32 smi_addr, u32 reg, + u32 *data); +int mt753x_mdio_reg_read(struct mt753x_switch_priv *priv, u32 reg, u32 *data); +int mt753x_mdio_reg_write(struct mt753x_switch_priv *priv, u32 reg, u32 data); + +int mt753x_reg_read(struct mt753x_switch_priv *priv, u32 reg, u32 *data); +int mt753x_reg_write(struct mt753x_switch_priv *priv, u32 reg, u32 data); +void mt753x_reg_rmw(struct mt753x_switch_priv *priv, u32 reg, u32 clr, u32 set); + +int mt7531_mii_read(struct mt753x_switch_priv *priv, u8 phy, u8 reg); +int mt7531_mii_write(struct mt753x_switch_priv *priv, u8 phy, u8 reg, u16 val); +int mt7531_mmd_read(struct mt753x_switch_priv *priv, u8 addr, u8 devad, + u16 reg); +int mt7531_mmd_write(struct mt753x_switch_priv *priv, u8 addr, u8 devad, + u16 reg, u16 val); + +int mt7531_mdio_register(struct mt753x_switch_priv *priv); + +void mt753x_port_isolation(struct mt753x_switch_priv *priv); + +#endif /* _MTK_ETH_MT753X_H_ */ diff --git a/drivers/net/mtk_eth/mt7988.c b/drivers/net/mtk_eth/mt7988.c new file mode 100644 index 00000000000..a416d87840c --- /dev/null +++ b/drivers/net/mtk_eth/mt7988.c @@ -0,0 +1,160 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Weijie Gao weijie.gao@mediatek.com + * Author: Mark Lee mark-mc.lee@mediatek.com + */ + +#include <miiphy.h> +#include <linux/delay.h> +#include <linux/mdio.h> +#include <linux/mii.h> +#include <linux/io.h> +#include "mtk_eth.h" +#include "mt753x.h" + +static int mt7988_reg_read(struct mt753x_switch_priv *priv, u32 reg, u32 *data) +{ + *data = readl(priv->epriv.ethsys_base + GSW_BASE + reg); + + return 0; +} + +static int mt7988_reg_write(struct mt753x_switch_priv *priv, u32 reg, u32 data) +{ + writel(data, priv->epriv.ethsys_base + GSW_BASE + reg); + + return 0; +} + +static void mt7988_phy_setting(struct mt753x_switch_priv *priv) +{ + u16 val; + u32 i; + + for (i = 0; i < MT753X_NUM_PHYS; i++) { + /* Enable HW auto downshift */ + mt7531_mii_write(priv, i, 0x1f, 0x1); + val = mt7531_mii_read(priv, i, PHY_EXT_REG_14); + val |= PHY_EN_DOWN_SHFIT; + mt7531_mii_write(priv, i, PHY_EXT_REG_14, val); + + /* PHY link down power saving enable */ + val = mt7531_mii_read(priv, i, PHY_EXT_REG_17); + val |= PHY_LINKDOWN_POWER_SAVING_EN; + mt7531_mii_write(priv, i, PHY_EXT_REG_17, val); + } +} + +static void mt7988_mac_control(struct mtk_eth_switch_priv *swpriv, bool enable) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u32 pmcr = FORCE_MODE_LNK; + + if (enable) + pmcr = priv->pmcr; + + mt7988_reg_write(priv, PMCR_REG(6), pmcr); +} + +static int mt7988_setup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + u16 phy_addr, phy_val; + u32 pmcr; + int i; + + priv->smi_addr = MT753X_DFL_SMI_ADDR; + priv->phy_base = (priv->smi_addr + 1) & MT753X_SMI_ADDR_MASK; + priv->reg_read = mt7988_reg_read; + priv->reg_write = mt7988_reg_write; + + /* Turn off PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mt7531_mii_read(priv, phy_addr, MII_BMCR); + phy_val |= BMCR_PDOWN; + mt7531_mii_write(priv, phy_addr, MII_BMCR, phy_val); + } + + switch (priv->epriv.phy_interface) { + case PHY_INTERFACE_MODE_USXGMII: + /* Use CPU bridge instead of actual USXGMII path */ + + /* Disable GDM1 RX CRC stripping */ + /* mtk_fe_rmw(priv, 0x500, BIT(16), 0); */ + + /* Set GDM1 no drop */ + mtk_fe_rmw(priv->epriv.eth, PSE_NO_DROP_CFG_REG, 0, + PSE_NO_DROP_GDM1); + + /* Enable GSW CPU bridge as USXGMII */ + /* mtk_fe_rmw(priv, 0x504, BIT(31), BIT(31)); */ + + /* Enable GDM1 to GSW CPU bridge */ + mtk_gmac_rmw(priv->epriv.eth, GMAC_MAC_MISC_REG, 0, BIT(0)); + + /* XGMAC force link up */ + mtk_gmac_rmw(priv->epriv.eth, GMAC_XGMAC_STS_REG, 0, + P1_XGMAC_FORCE_LINK); + + /* Setup GSW CPU bridge IPG */ + mtk_gmac_rmw(priv->epriv.eth, GMAC_GSW_CFG_REG, + GSWTX_IPG_M | GSWRX_IPG_M, + (0xB << GSWTX_IPG_S) | (0xB << GSWRX_IPG_S)); + break; + default: + printf("Error: MT7988 GSW does not support %s interface\n", + phy_string_for_interface(priv->epriv.phy_interface)); + break; + } + + pmcr = MT7988_FORCE_MODE | + (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | + MAC_MODE | MAC_TX_EN | MAC_RX_EN | + BKOFF_EN | BACKPR_EN | + FORCE_RX_FC | FORCE_TX_FC | + (SPEED_1000M << FORCE_SPD_S) | FORCE_DPX | + FORCE_LINK; + + priv->pmcr = pmcr; + + /* Keep MAC link down before starting eth */ + mt7988_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); + + /* Enable port isolation to block inter-port communication */ + mt753x_port_isolation(priv); + + /* Turn on PHYs */ + for (i = 0; i < MT753X_NUM_PHYS; i++) { + phy_addr = MT753X_PHY_ADDR(priv->phy_base, i); + phy_val = mt7531_mii_read(priv, phy_addr, MII_BMCR); + phy_val &= ~BMCR_PDOWN; + mt7531_mii_write(priv, phy_addr, MII_BMCR, phy_val); + } + + mt7988_phy_setting(priv); + + return mt7531_mdio_register(priv); +} + +static int mt7531_cleanup(struct mtk_eth_switch_priv *swpriv) +{ + struct mt753x_switch_priv *priv = (struct mt753x_switch_priv *)swpriv; + + mdio_unregister(priv->mdio_bus); + + return 0; +} + +MTK_ETH_SWITCH(mt7988) = { + .name = "mt7988", + .desc = "MediaTek MT7988 built-in switch", + .priv_size = sizeof(struct mt753x_switch_priv), + .reset_wait_time = 50, + + .setup = mt7988_setup, + .cleanup = mt7531_cleanup, + .mac_control = mt7988_mac_control, +}; diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth/mtk_eth.c similarity index 62% rename from drivers/net/mtk_eth.c rename to drivers/net/mtk_eth/mtk_eth.c index 454caa3cd3a..1e6b30769d1 100644 --- a/drivers/net/mtk_eth.c +++ b/drivers/net/mtk_eth/mtk_eth.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (C) 2018 MediaTek Inc. + * Copyright (C) 2025 MediaTek Inc. * * Author: Weijie Gao weijie.gao@mediatek.com * Author: Mark Lee mark-mc.lee@mediatek.com @@ -35,14 +35,6 @@ #define RX_TOTAL_BUF_SIZE (NUM_RX_DESC * PKTSIZE_ALIGN) #define TOTAL_PKT_BUF_SIZE (TX_TOTAL_BUF_SIZE + RX_TOTAL_BUF_SIZE)
-#define MT753X_NUM_PHYS 5 -#define MT753X_NUM_PORTS 7 -#define MT753X_DFL_SMI_ADDR 31 -#define MT753X_SMI_ADDR_MASK 0x1f - -#define MT753X_PHY_ADDR(base, addr) \ - (((base) + (addr)) & 0x1f) - #define GDMA_FWD_TO_CPU \ (0x20000000 | \ GDM_ICS_EN | \ @@ -75,32 +67,6 @@ (DP_DISCARD << MC_DP_S) | \ (DP_DISCARD << UN_DP_S))
-enum mtk_switch { - SW_NONE, - SW_MT7530, - SW_MT7531, - SW_MT7988, -}; - -/* struct mtk_soc_data - This is the structure holding all differences - * among various plaforms - * @caps Flags shown the extra capability for the SoC - * @ana_rgc3: The offset for register ANA_RGC3 related to - * sgmiisys syscon - * @gdma_count: Number of GDMAs - * @pdma_base: Register base of PDMA block - * @txd_size: Tx DMA descriptor size. - * @rxd_size: Rx DMA descriptor size. - */ -struct mtk_soc_data { - u32 caps; - u32 ana_rgc3; - u32 gdma_count; - u32 pdma_base; - u32 txd_size; - u32 rxd_size; -}; - struct mtk_eth_priv { char pkt_pool[TOTAL_PKT_BUF_SIZE] __aligned(ARCH_DMA_MINALIGN);
@@ -113,7 +79,6 @@ struct mtk_eth_priv { void __iomem *fe_base; void __iomem *gmac_base; void __iomem *sgmii_base; - void __iomem *gsw_base;
struct regmap *ethsys_regmap;
@@ -125,11 +90,6 @@ struct mtk_eth_priv { struct regmap *toprgu_regmap;
struct mii_dev *mdio_bus; - int (*mii_read)(struct mtk_eth_priv *priv, u8 phy, u8 reg); - int (*mii_write)(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 val); - int (*mmd_read)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg); - int (*mmd_write)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg, - u16 val);
const struct mtk_soc_data *soc; int gmac_id; @@ -143,13 +103,8 @@ struct mtk_eth_priv { int phy_interface; int phy_addr;
- enum mtk_switch sw; - int (*switch_init)(struct mtk_eth_priv *priv); - void (*switch_mac_control)(struct mtk_eth_priv *priv, bool enable); - u32 mt753x_smi_addr; - u32 mt753x_phy_base; - u32 mt753x_pmcr; - u32 mt753x_reset_wait_time; + struct mtk_eth_switch_priv *swpriv; + const char *swname;
struct gpio_desc rst_gpio; int mcm; @@ -184,7 +139,7 @@ static void mtk_gdma_write(struct mtk_eth_priv *priv, int no, u32 reg, writel(val, priv->fe_base + gdma_base + reg); }
-static void mtk_fe_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set) +void mtk_fe_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set) { clrsetbits_le32(priv->fe_base + reg, clr, set); } @@ -199,13 +154,12 @@ static void mtk_gmac_write(struct mtk_eth_priv *priv, u32 reg, u32 val) writel(val, priv->gmac_base + reg); }
-static void mtk_gmac_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set) +void mtk_gmac_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set) { clrsetbits_le32(priv->gmac_base + reg, clr, set); }
-static void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, - u32 set) +void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set) { uint val;
@@ -226,16 +180,6 @@ static void mtk_infra_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, regmap_write(priv->infra_regmap, reg, val); }
-static u32 mtk_gsw_read(struct mtk_eth_priv *priv, u32 reg) -{ - return readl(priv->gsw_base + reg); -} - -static void mtk_gsw_write(struct mtk_eth_priv *priv, u32 reg, u32 val) -{ - writel(val, priv->gsw_base + reg); -} - /* Direct MDIO clause 22/45 access via SoC */ static int mtk_mii_rw(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data, u32 cmd, u32 st) @@ -269,19 +213,19 @@ static int mtk_mii_rw(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data, }
/* Direct MDIO clause 22 read via SoC */ -static int mtk_mii_read(struct mtk_eth_priv *priv, u8 phy, u8 reg) +int mtk_mii_read(struct mtk_eth_priv *priv, u8 phy, u8 reg) { return mtk_mii_rw(priv, phy, reg, 0, MDIO_CMD_READ, MDIO_ST_C22); }
/* Direct MDIO clause 22 write via SoC */ -static int mtk_mii_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data) +int mtk_mii_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data) { return mtk_mii_rw(priv, phy, reg, data, MDIO_CMD_WRITE, MDIO_ST_C22); }
/* Direct MDIO clause 45 read via SoC */ -static int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg) +int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg) { int ret;
@@ -294,8 +238,8 @@ static int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg) }
/* Direct MDIO clause 45 write via SoC */ -static int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, - u16 reg, u16 val) +int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg, + u16 val) { int ret;
@@ -308,232 +252,52 @@ static int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, }
/* Indirect MDIO clause 45 read via MII registers */ -static int mtk_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, - u16 reg) +int mtk_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg) { int ret;
- ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG, - (MMD_ADDR << MMD_CMD_S) | - ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); + ret = mtk_mii_write(priv, addr, MII_MMD_ACC_CTL_REG, + (MMD_ADDR << MMD_CMD_S) | + ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); if (ret) return ret;
- ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg); + ret = mtk_mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg); if (ret) return ret;
- ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG, - (MMD_DATA << MMD_CMD_S) | - ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); + ret = mtk_mii_write(priv, addr, MII_MMD_ACC_CTL_REG, + (MMD_DATA << MMD_CMD_S) | + ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); if (ret) return ret;
- return priv->mii_read(priv, addr, MII_MMD_ADDR_DATA_REG); + return mtk_mii_read(priv, addr, MII_MMD_ADDR_DATA_REG); }
/* Indirect MDIO clause 45 write via MII registers */ -static int mtk_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, - u16 reg, u16 val) +int mtk_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg, + u16 val) { int ret;
- ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG, - (MMD_ADDR << MMD_CMD_S) | - ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); - if (ret) - return ret; - - ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg); - if (ret) - return ret; - - ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG, - (MMD_DATA << MMD_CMD_S) | - ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); - if (ret) - return ret; - - return priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, val); -} - -/* - * MT7530 Internal Register Address Bits - * ------------------------------------------------------------------- - * | 15 14 13 12 11 10 9 8 7 6 | 5 4 3 2 | 1 0 | - * |----------------------------------------|---------------|--------| - * | Page Address | Reg Address | Unused | - * ------------------------------------------------------------------- - */ - -static int mt753x_reg_read(struct mtk_eth_priv *priv, u32 reg, u32 *data) -{ - int ret, low_word, high_word; - - if (priv->sw == SW_MT7988) { - *data = mtk_gsw_read(priv, reg); - return 0; - } - - /* Write page address */ - ret = mtk_mii_write(priv, priv->mt753x_smi_addr, 0x1f, reg >> 6); + ret = mtk_mii_write(priv, addr, MII_MMD_ACC_CTL_REG, + (MMD_ADDR << MMD_CMD_S) | + ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); if (ret) return ret;
- /* Read low word */ - low_word = mtk_mii_read(priv, priv->mt753x_smi_addr, (reg >> 2) & 0xf); - if (low_word < 0) - return low_word; - - /* Read high word */ - high_word = mtk_mii_read(priv, priv->mt753x_smi_addr, 0x10); - if (high_word < 0) - return high_word; - - if (data) - *data = ((u32)high_word << 16) | (low_word & 0xffff); - - return 0; -} - -static int mt753x_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 data) -{ - int ret; - - if (priv->sw == SW_MT7988) { - mtk_gsw_write(priv, reg, data); - return 0; - } - - /* Write page address */ - ret = mtk_mii_write(priv, priv->mt753x_smi_addr, 0x1f, reg >> 6); - if (ret) - return ret; - - /* Write low word */ - ret = mtk_mii_write(priv, priv->mt753x_smi_addr, (reg >> 2) & 0xf, - data & 0xffff); - if (ret) - return ret; - - /* Write high word */ - return mtk_mii_write(priv, priv->mt753x_smi_addr, 0x10, data >> 16); -} - -static void mt753x_reg_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, - u32 set) -{ - u32 val; - - mt753x_reg_read(priv, reg, &val); - val &= ~clr; - val |= set; - mt753x_reg_write(priv, reg, val); -} - -/* Indirect MDIO clause 22/45 access */ -static int mt7531_mii_rw(struct mtk_eth_priv *priv, int phy, int reg, u16 data, - u32 cmd, u32 st) -{ - ulong timeout; - u32 val, timeout_ms; - int ret = 0; - - val = (st << MDIO_ST_S) | - ((cmd << MDIO_CMD_S) & MDIO_CMD_M) | - ((phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) | - ((reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M); - - if (cmd == MDIO_CMD_WRITE || cmd == MDIO_CMD_ADDR) - val |= data & MDIO_RW_DATA_M; - - mt753x_reg_write(priv, MT7531_PHY_IAC, val | PHY_ACS_ST); - - timeout_ms = 100; - timeout = get_timer(0); - while (1) { - mt753x_reg_read(priv, MT7531_PHY_IAC, &val); - - if ((val & PHY_ACS_ST) == 0) - break; - - if (get_timer(timeout) > timeout_ms) - return -ETIMEDOUT; - } - - if (cmd == MDIO_CMD_READ || cmd == MDIO_CMD_READ_C45) { - mt753x_reg_read(priv, MT7531_PHY_IAC, &val); - ret = val & MDIO_RW_DATA_M; - } - - return ret; -} - -static int mt7531_mii_ind_read(struct mtk_eth_priv *priv, u8 phy, u8 reg) -{ - u8 phy_addr; - - if (phy >= MT753X_NUM_PHYS) - return -EINVAL; - - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, phy); - - return mt7531_mii_rw(priv, phy_addr, reg, 0, MDIO_CMD_READ, - MDIO_ST_C22); -} - -static int mt7531_mii_ind_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, - u16 val) -{ - u8 phy_addr; - - if (phy >= MT753X_NUM_PHYS) - return -EINVAL; - - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, phy); - - return mt7531_mii_rw(priv, phy_addr, reg, val, MDIO_CMD_WRITE, - MDIO_ST_C22); -} - -static int mt7531_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, - u16 reg) -{ - u8 phy_addr; - int ret; - - if (addr >= MT753X_NUM_PHYS) - return -EINVAL; - - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, addr); - - ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR, - MDIO_ST_C45); + ret = mtk_mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg); if (ret) return ret;
- return mt7531_mii_rw(priv, phy_addr, devad, 0, MDIO_CMD_READ_C45, - MDIO_ST_C45); -} - -static int mt7531_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, - u16 reg, u16 val) -{ - u8 phy_addr; - int ret; - - if (addr >= MT753X_NUM_PHYS) - return 0; - - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, addr); - - ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR, - MDIO_ST_C45); + ret = mtk_mii_write(priv, addr, MII_MMD_ACC_CTL_REG, + (MMD_DATA << MMD_CMD_S) | + ((devad << MMD_DEVAD_S) & MMD_DEVAD_M)); if (ret) return ret;
- return mt7531_mii_rw(priv, phy_addr, devad, val, MDIO_CMD_WRITE, - MDIO_ST_C45); + return mtk_mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, val); }
static int mtk_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) @@ -541,9 +305,9 @@ static int mtk_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) struct mtk_eth_priv *priv = bus->priv;
if (devad < 0) - return priv->mii_read(priv, addr, reg); - else - return priv->mmd_read(priv, addr, devad, reg); + return mtk_mii_read(priv, addr, reg); + + return mtk_mmd_read(priv, addr, devad, reg); }
static int mtk_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, @@ -552,9 +316,9 @@ static int mtk_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, struct mtk_eth_priv *priv = bus->priv;
if (devad < 0) - return priv->mii_write(priv, addr, reg, val); - else - return priv->mmd_write(priv, addr, devad, reg, val); + return mtk_mii_write(priv, addr, reg, val); + + return mtk_mmd_write(priv, addr, devad, reg, val); }
static int mtk_mdio_register(struct udevice *dev) @@ -566,28 +330,6 @@ static int mtk_mdio_register(struct udevice *dev) if (!mdio_bus) return -ENOMEM;
- /* Assign MDIO access APIs according to the switch/phy */ - switch (priv->sw) { - case SW_MT7530: - priv->mii_read = mtk_mii_read; - priv->mii_write = mtk_mii_write; - priv->mmd_read = mtk_mmd_ind_read; - priv->mmd_write = mtk_mmd_ind_write; - break; - case SW_MT7531: - case SW_MT7988: - priv->mii_read = mt7531_mii_ind_read; - priv->mii_write = mt7531_mii_ind_write; - priv->mmd_read = mt7531_mmd_ind_read; - priv->mmd_write = mt7531_mmd_ind_write; - break; - default: - priv->mii_read = mtk_mii_read; - priv->mii_write = mtk_mii_write; - priv->mmd_read = mtk_mmd_read; - priv->mmd_write = mtk_mmd_write; - } - mdio_bus->read = mtk_mdio_read; mdio_bus->write = mtk_mdio_write; snprintf(mdio_bus->name, sizeof(mdio_bus->name), dev->name); @@ -604,531 +346,91 @@ static int mtk_mdio_register(struct udevice *dev) return 0; }
-static int mt753x_core_reg_read(struct mtk_eth_priv *priv, u32 reg) -{ - u8 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, 0); - - return priv->mmd_read(priv, phy_addr, 0x1f, reg); -} - -static void mt753x_core_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 val) +static int mtk_switch_init(struct mtk_eth_priv *priv) { - u8 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, 0); - - priv->mmd_write(priv, phy_addr, 0x1f, reg, val); -} - -static int mt7530_pad_clk_setup(struct mtk_eth_priv *priv, int mode) -{ - u32 ncpo1, ssc_delta; - - switch (mode) { - case PHY_INTERFACE_MODE_RGMII: - ncpo1 = 0x0c80; - ssc_delta = 0x87; - break; - default: - printf("error: xMII mode %d not supported\n", mode); - return -EINVAL; - } - - /* Disable MT7530 core clock */ - mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, 0); - - /* Disable MT7530 PLL */ - mt753x_core_reg_write(priv, CORE_GSWPLL_GRP1, - (2 << RG_GSWPLL_POSDIV_200M_S) | - (32 << RG_GSWPLL_FBKDIV_200M_S)); - - /* For MT7530 core clock = 500Mhz */ - mt753x_core_reg_write(priv, CORE_GSWPLL_GRP2, - (1 << RG_GSWPLL_POSDIV_500M_S) | - (25 << RG_GSWPLL_FBKDIV_500M_S)); - - /* Enable MT7530 PLL */ - mt753x_core_reg_write(priv, CORE_GSWPLL_GRP1, - (2 << RG_GSWPLL_POSDIV_200M_S) | - (32 << RG_GSWPLL_FBKDIV_200M_S) | - RG_GSWPLL_EN_PRE); - - udelay(20); - - mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, REG_GSWCK_EN); - - /* Setup the MT7530 TRGMII Tx Clock */ - mt753x_core_reg_write(priv, CORE_PLL_GROUP5, ncpo1); - mt753x_core_reg_write(priv, CORE_PLL_GROUP6, 0); - mt753x_core_reg_write(priv, CORE_PLL_GROUP10, ssc_delta); - mt753x_core_reg_write(priv, CORE_PLL_GROUP11, ssc_delta); - mt753x_core_reg_write(priv, CORE_PLL_GROUP4, RG_SYSPLL_DDSFBK_EN | - RG_SYSPLL_BIAS_EN | RG_SYSPLL_BIAS_LPF_EN); - - mt753x_core_reg_write(priv, CORE_PLL_GROUP2, - RG_SYSPLL_EN_NORMAL | RG_SYSPLL_VODEN | - (1 << RG_SYSPLL_POSDIV_S)); - - mt753x_core_reg_write(priv, CORE_PLL_GROUP7, - RG_LCDDS_PCW_NCPO_CHG | (3 << RG_LCCDS_C_S) | - RG_LCDDS_PWDB | RG_LCDDS_ISO_EN); - - /* Enable MT7530 core clock */ - mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, - REG_GSWCK_EN | REG_TRGMIICK_EN); - - return 0; -} - -static void mt7530_mac_control(struct mtk_eth_priv *priv, bool enable) -{ - u32 pmcr = FORCE_MODE; - - if (enable) - pmcr = priv->mt753x_pmcr; - - mt753x_reg_write(priv, PMCR_REG(6), pmcr); -} - -static int mt7530_setup(struct mtk_eth_priv *priv) -{ - u16 phy_addr, phy_val; - u32 val, txdrv; - int i; - - if (!MTK_HAS_CAPS(priv->soc->caps, MTK_TRGMII_MT7621_CLK)) { - /* Select 250MHz clk for RGMII mode */ - mtk_ethsys_rmw(priv, ETHSYS_CLKCFG0_REG, - ETHSYS_TRGMII_CLK_SEL362_5, 0); - - txdrv = 8; - } else { - txdrv = 4; - } - - /* Modify HWTRAP first to allow direct access to internal PHYs */ - mt753x_reg_read(priv, HWTRAP_REG, &val); - val |= CHG_TRAP; - val &= ~C_MDIO_BPS; - mt753x_reg_write(priv, MHWTRAP_REG, val); - - /* Calculate the phy base address */ - val = ((val & SMI_ADDR_M) >> SMI_ADDR_S) << 3; - priv->mt753x_phy_base = (val | 0x7) + 1; - - /* Turn off PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val |= BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); - } - - /* Force MAC link down before reset */ - mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE); - mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE); - - /* MT7530 reset */ - mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST); - udelay(100); - - val = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | - MAC_MODE | FORCE_MODE | - MAC_TX_EN | MAC_RX_EN | - BKOFF_EN | BACKPR_EN | - (SPEED_1000M << FORCE_SPD_S) | - FORCE_DPX | FORCE_LINK; - - /* MT7530 Port6: Forced 1000M/FD, FC disabled */ - priv->mt753x_pmcr = val; - - /* MT7530 Port5: Forced link down */ - mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE); - - /* Keep MAC link down before starting eth */ - mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE); - - /* MT7530 Port6: Set to RGMII */ - mt753x_reg_rmw(priv, MT7530_P6ECR, P6_INTF_MODE_M, P6_INTF_MODE_RGMII); - - /* Hardware Trap: Enable Port6, Disable Port5 */ - mt753x_reg_read(priv, HWTRAP_REG, &val); - val |= CHG_TRAP | LOOPDET_DIS | P5_INTF_DIS | - (P5_INTF_SEL_GMAC5 << P5_INTF_SEL_S) | - (P5_INTF_MODE_RGMII << P5_INTF_MODE_S); - val &= ~(C_MDIO_BPS | P6_INTF_DIS); - mt753x_reg_write(priv, MHWTRAP_REG, val); - - /* Setup switch core pll */ - mt7530_pad_clk_setup(priv, priv->phy_interface); - - /* Lower Tx Driving for TRGMII path */ - for (i = 0 ; i < NUM_TRGMII_CTRL ; i++) - mt753x_reg_write(priv, MT7530_TRGMII_TD_ODT(i), - (txdrv << TD_DM_DRVP_S) | - (txdrv << TD_DM_DRVN_S)); - - for (i = 0 ; i < NUM_TRGMII_CTRL; i++) - mt753x_reg_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_M, 16); - - /* Turn on PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val &= ~BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); - } - - return 0; -} - -static void mt7531_core_pll_setup(struct mtk_eth_priv *priv, int mcm) -{ - /* Step 1 : Disable MT7531 COREPLL */ - mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, 0); - - /* Step 2: switch to XTAL output */ - mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_CLKSW, SW_CLKSW); - - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, 0); - - /* Step 3: disable PLLGP and enable program PLLGP */ - mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_PLLGP, SW_PLLGP); - - /* Step 4: program COREPLL output frequency to 500MHz */ - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_POSDIV_M, - 2 << RG_COREPLL_POSDIV_S); - udelay(25); - - /* Currently, support XTAL 25Mhz only */ - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_M, - 0x140000 << RG_COREPLL_SDM_PCW_S); - - /* Set feedback divide ratio update signal to high */ - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG, - RG_COREPLL_SDM_PCW_CHG); - - /* Wait for at least 16 XTAL clocks */ - udelay(10); - - /* Step 5: set feedback divide ratio update signal to low */ - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG, 0); - - /* add enable 325M clock for SGMII */ - mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR5, 0xad0000); - - /* add enable 250SSC clock for RGMII */ - mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR2, 0x4f40000); - - /*Step 6: Enable MT7531 PLL */ - mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, RG_COREPLL_EN); - - mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, EN_COREPLL); - - udelay(25); -} - -static int mt7531_port_sgmii_init(struct mtk_eth_priv *priv, - u32 port) -{ - if (port != 5 && port != 6) { - printf("mt7531: port %d is not a SGMII port\n", port); - return -EINVAL; - } - - /* Set SGMII GEN2 speed(2.5G) */ - mt753x_reg_rmw(priv, MT7531_PHYA_CTRL_SIGNAL3(port), SGMSYS_SPEED_MASK, - FIELD_PREP(SGMSYS_SPEED_MASK, SGMSYS_SPEED_2500)); - - /* Disable SGMII AN */ - mt753x_reg_rmw(priv, MT7531_PCS_CONTROL_1(port), - SGMII_AN_ENABLE, 0); - - /* SGMII force mode setting */ - mt753x_reg_write(priv, MT7531_SGMII_MODE(port), SGMII_FORCE_MODE); - - /* Release PHYA power down state */ - mt753x_reg_rmw(priv, MT7531_QPHY_PWR_STATE_CTRL(port), - SGMII_PHYA_PWD, 0); - - return 0; -} - -static int mt7531_port_rgmii_init(struct mtk_eth_priv *priv, u32 port) -{ - u32 val; - - if (port != 5) { - printf("error: RGMII mode is not available for port %d\n", - port); - return -EINVAL; - } - - mt753x_reg_read(priv, MT7531_CLKGEN_CTRL, &val); - val |= GP_CLK_EN; - val &= ~GP_MODE_M; - val |= GP_MODE_RGMII << GP_MODE_S; - val |= TXCLK_NO_REVERSE; - val |= RXCLK_NO_DELAY; - val &= ~CLK_SKEW_IN_M; - val |= CLK_SKEW_IN_NO_CHANGE << CLK_SKEW_IN_S; - val &= ~CLK_SKEW_OUT_M; - val |= CLK_SKEW_OUT_NO_CHANGE << CLK_SKEW_OUT_S; - mt753x_reg_write(priv, MT7531_CLKGEN_CTRL, val); - - return 0; -} - -static void mt7531_phy_setting(struct mtk_eth_priv *priv) -{ - int i; - u32 val; - - for (i = 0; i < MT753X_NUM_PHYS; i++) { - /* Enable HW auto downshift */ - priv->mii_write(priv, i, 0x1f, 0x1); - val = priv->mii_read(priv, i, PHY_EXT_REG_14); - val |= PHY_EN_DOWN_SHFIT; - priv->mii_write(priv, i, PHY_EXT_REG_14, val); - - /* PHY link down power saving enable */ - val = priv->mii_read(priv, i, PHY_EXT_REG_17); - val |= PHY_LINKDOWN_POWER_SAVING_EN; - priv->mii_write(priv, i, PHY_EXT_REG_17, val); - - val = priv->mmd_read(priv, i, 0x1e, PHY_DEV1E_REG_0C6); - val &= ~PHY_POWER_SAVING_M; - val |= PHY_POWER_SAVING_TX << PHY_POWER_SAVING_S; - priv->mmd_write(priv, i, 0x1e, PHY_DEV1E_REG_0C6, val); - } -} - -static void mt7531_mac_control(struct mtk_eth_priv *priv, bool enable) -{ - u32 pmcr = FORCE_MODE_LNK; - - if (enable) - pmcr = priv->mt753x_pmcr; - - mt753x_reg_write(priv, PMCR_REG(5), pmcr); - mt753x_reg_write(priv, PMCR_REG(6), pmcr); -} - -static int mt7531_setup(struct mtk_eth_priv *priv) -{ - u16 phy_addr, phy_val; - u32 val; - u32 pmcr; - u32 port5_sgmii; - int i; - - priv->mt753x_phy_base = (priv->mt753x_smi_addr + 1) & - MT753X_SMI_ADDR_MASK; - - /* Turn off PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val |= BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); - } - - /* Force MAC link down before reset */ - mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE_LNK); - mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); - - /* Switch soft reset */ - mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST); - udelay(100); - - /* Enable MDC input Schmitt Trigger */ - mt753x_reg_rmw(priv, MT7531_SMT0_IOLB, SMT_IOLB_5_SMI_MDC_EN, - SMT_IOLB_5_SMI_MDC_EN); - - mt7531_core_pll_setup(priv, priv->mcm); - - mt753x_reg_read(priv, MT7531_TOP_SIG_SR, &val); - port5_sgmii = !!(val & PAD_DUAL_SGMII_EN); - - /* port5 support either RGMII or SGMII, port6 only support SGMII. */ - switch (priv->phy_interface) { - case PHY_INTERFACE_MODE_RGMII: - if (!port5_sgmii) - mt7531_port_rgmii_init(priv, 5); - break; - case PHY_INTERFACE_MODE_2500BASEX: - mt7531_port_sgmii_init(priv, 6); - if (port5_sgmii) - mt7531_port_sgmii_init(priv, 5); - break; - default: - break; - } - - pmcr = MT7531_FORCE_MODE | - (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | - MAC_MODE | MAC_TX_EN | MAC_RX_EN | - BKOFF_EN | BACKPR_EN | - FORCE_RX_FC | FORCE_TX_FC | - (SPEED_1000M << FORCE_SPD_S) | FORCE_DPX | - FORCE_LINK; - - priv->mt753x_pmcr = pmcr; - - /* Keep MAC link down before starting eth */ - mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE_LNK); - mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); - - /* Turn on PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val &= ~BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); - } - - mt7531_phy_setting(priv); - - /* Enable Internal PHYs */ - val = mt753x_core_reg_read(priv, CORE_PLL_GROUP4); - val |= MT7531_BYPASS_MODE; - val &= ~MT7531_POWER_ON_OFF; - mt753x_core_reg_write(priv, CORE_PLL_GROUP4, val); - - return 0; -} - -static void mt7988_phy_setting(struct mtk_eth_priv *priv) -{ - u16 val; - u32 i; - - for (i = 0; i < MT753X_NUM_PHYS; i++) { - /* Enable HW auto downshift */ - priv->mii_write(priv, i, 0x1f, 0x1); - val = priv->mii_read(priv, i, PHY_EXT_REG_14); - val |= PHY_EN_DOWN_SHFIT; - priv->mii_write(priv, i, PHY_EXT_REG_14, val); - - /* PHY link down power saving enable */ - val = priv->mii_read(priv, i, PHY_EXT_REG_17); - val |= PHY_LINKDOWN_POWER_SAVING_EN; - priv->mii_write(priv, i, PHY_EXT_REG_17, val); - } -} - -static void mt7988_mac_control(struct mtk_eth_priv *priv, bool enable) -{ - u32 pmcr = FORCE_MODE_LNK; - - if (enable) - pmcr = priv->mt753x_pmcr; - - mt753x_reg_write(priv, PMCR_REG(6), pmcr); -} - -static int mt7988_setup(struct mtk_eth_priv *priv) -{ - u16 phy_addr, phy_val; - u32 pmcr; - int i; - - priv->gsw_base = regmap_get_range(priv->ethsys_regmap, 0) + GSW_BASE; - - priv->mt753x_phy_base = (priv->mt753x_smi_addr + 1) & - MT753X_SMI_ADDR_MASK; - - /* Turn off PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val |= BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); - } - - switch (priv->phy_interface) { - case PHY_INTERFACE_MODE_USXGMII: - /* Use CPU bridge instead of actual USXGMII path */ - - /* Set GDM1 no drop */ - mtk_fe_rmw(priv, PSE_NO_DROP_CFG_REG, 0, PSE_NO_DROP_GDM1); - - /* Enable GDM1 to GSW CPU bridge */ - mtk_gmac_rmw(priv, GMAC_MAC_MISC_REG, 0, BIT(0)); - - /* XGMAC force link up */ - mtk_gmac_rmw(priv, GMAC_XGMAC_STS_REG, 0, P1_XGMAC_FORCE_LINK); - - /* Setup GSW CPU bridge IPG */ - mtk_gmac_rmw(priv, GMAC_GSW_CFG_REG, GSWTX_IPG_M | GSWRX_IPG_M, - (0xB << GSWTX_IPG_S) | (0xB << GSWRX_IPG_S)); - break; - default: - printf("Error: MT7988 GSW does not support %s interface\n", - phy_string_for_interface(priv->phy_interface)); - break; - } + struct mtk_eth_switch *swdrvs = ll_entry_start(struct mtk_eth_switch, + mtk_eth_switch); + const u32 n_swdrvs = ll_entry_count(struct mtk_eth_switch, + mtk_eth_switch); + struct mtk_eth_switch *tmp, *swdrv = NULL; + u32 reset_wait_time = 500; + size_t priv_size; + int ret;
- pmcr = MT7988_FORCE_MODE | - (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) | - MAC_MODE | MAC_TX_EN | MAC_RX_EN | - BKOFF_EN | BACKPR_EN | - FORCE_RX_FC | FORCE_TX_FC | - (SPEED_1000M << FORCE_SPD_S) | FORCE_DPX | - FORCE_LINK; - - priv->mt753x_pmcr = pmcr; - - /* Keep MAC link down before starting eth */ - mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK); - - /* Turn on PHYs */ - for (i = 0; i < MT753X_NUM_PHYS; i++) { - phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i); - phy_val = priv->mii_read(priv, phy_addr, MII_BMCR); - phy_val &= ~BMCR_PDOWN; - priv->mii_write(priv, phy_addr, MII_BMCR, phy_val); + if (strcmp(priv->swname, "auto")) { + for (tmp = swdrvs; tmp < swdrvs + n_swdrvs; tmp++) { + if (!strcmp(tmp->name, priv->swname)) { + swdrv = tmp; + break; + } + } }
- mt7988_phy_setting(priv); - - return 0; -} - -static int mt753x_switch_init(struct mtk_eth_priv *priv) -{ - int ret; - int i; + if (swdrv) + reset_wait_time = swdrv->reset_wait_time;
/* Global reset switch */ if (priv->mcm) { reset_assert(&priv->rst_mcm); udelay(1000); reset_deassert(&priv->rst_mcm); - mdelay(priv->mt753x_reset_wait_time); + mdelay(reset_wait_time); } else if (dm_gpio_is_valid(&priv->rst_gpio)) { dm_gpio_set_value(&priv->rst_gpio, 0); udelay(1000); dm_gpio_set_value(&priv->rst_gpio, 1); - mdelay(priv->mt753x_reset_wait_time); + mdelay(reset_wait_time); }
- ret = priv->switch_init(priv); - if (ret) - return ret; + if (!swdrv) { + for (tmp = swdrvs; tmp < swdrvs + n_swdrvs; tmp++) { + if (!tmp->detect) + continue;
- /* Set port isolation */ - for (i = 0; i < MT753X_NUM_PORTS; i++) { - /* Set port matrix mode */ - if (i != 6) - mt753x_reg_write(priv, PCR_REG(i), - (0x40 << PORT_MATRIX_S)); - else - mt753x_reg_write(priv, PCR_REG(i), - (0x3f << PORT_MATRIX_S)); + ret = tmp->detect(priv); + if (!ret) { + swdrv = tmp; + break; + } + }
- /* Set port mode to user port */ - mt753x_reg_write(priv, PVC_REG(i), - (0x8100 << STAG_VPID_S) | - (VLAN_ATTR_USER << VLAN_ATTR_S)); + if (!swdrv) { + printf("Error: unable to detect switch\n"); + return -ENODEV; + } + } else { + if (swdrv->detect) { + ret = swdrv->detect(priv); + if (ret) { + printf("Error: switch probing failed\n"); + return -ENODEV; + } + } + } + + printf("%s\n", swdrv->desc); + + priv_size = swdrv->priv_size; + if (priv_size < sizeof(struct mtk_eth_switch_priv)) + priv_size = sizeof(struct mtk_eth_switch_priv); + + priv->swpriv = calloc(1, priv_size); + if (!priv->swpriv) { + printf("Error: no memory for switch data\n"); + return -ENOMEM; + } + + priv->swpriv->eth = priv; + priv->swpriv->soc = priv->soc; + priv->swpriv->phy_interface = priv->phy_interface; + priv->swpriv->sw = swdrv; + priv->swpriv->ethsys_base = regmap_get_range(priv->ethsys_regmap, 0); + + ret = swdrv->setup(priv->swpriv); + if (ret) { + free(priv->swpriv); + priv->swpriv = NULL; + return ret; }
return 0; @@ -1759,7 +1061,8 @@ static int mtk_eth_start(struct udevice *dev) }
if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V3)) { - if (priv->sw == SW_MT7988 && priv->gmac_id == 0) { + if (priv->swpriv && !strcmp(priv->swpriv->sw->name, "mt7988") && + priv->gmac_id == 0) { mtk_gdma_write(priv, priv->gmac_id, GDMA_IG_CTRL_REG, GDMA_BRIDGE_TO_CPU);
@@ -1778,11 +1081,12 @@ static int mtk_eth_start(struct udevice *dev)
mtk_eth_fifo_init(priv);
- if (priv->switch_mac_control) - priv->switch_mac_control(priv, true); - - /* Start PHY */ - if (priv->sw == SW_NONE) { + if (priv->swpriv) { + /* Enable communication with switch */ + if (priv->swpriv->sw->mac_control) + priv->swpriv->sw->mac_control(priv->swpriv, true); + } else { + /* Start PHY */ ret = mtk_phy_start(priv); if (ret) return ret; @@ -1799,8 +1103,10 @@ static void mtk_eth_stop(struct udevice *dev) { struct mtk_eth_priv *priv = dev_get_priv(dev);
- if (priv->switch_mac_control) - priv->switch_mac_control(priv, false); + if (priv->swpriv) { + if (priv->swpriv->sw->mac_control) + priv->swpriv->sw->mac_control(priv->swpriv, false); + }
mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG, TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN, 0); @@ -1953,11 +1259,11 @@ static int mtk_eth_probe(struct udevice *dev) return ret;
/* Probe phy if switch is not specified */ - if (priv->sw == SW_NONE) + if (!priv->swname) return mtk_phy_probe(dev);
/* Initialize switch */ - return mt753x_switch_init(priv); + return mtk_switch_init(priv); }
static int mtk_eth_remove(struct udevice *dev) @@ -1971,6 +1277,12 @@ static int mtk_eth_remove(struct udevice *dev) /* Stop possibly started DMA */ mtk_eth_stop(dev);
+ if (priv->swpriv) { + if (priv->swpriv->sw->cleanup) + priv->swpriv->sw->cleanup(priv->swpriv); + free(priv->swpriv); + } + return 0; }
@@ -1980,7 +1292,6 @@ static int mtk_eth_of_to_plat(struct udevice *dev) struct mtk_eth_priv *priv = dev_get_priv(dev); struct ofnode_phandle_args args; struct regmap *regmap; - const char *str; ofnode subnode; int ret;
@@ -2126,36 +1437,8 @@ static int mtk_eth_of_to_plat(struct udevice *dev) return PTR_ERR(priv->toprgu_regmap); }
- /* check for switch first, otherwise phy will be used */ - priv->sw = SW_NONE; - priv->switch_init = NULL; - priv->switch_mac_control = NULL; - str = dev_read_string(dev, "mediatek,switch"); - - if (str) { - if (!strcmp(str, "mt7530")) { - priv->sw = SW_MT7530; - priv->switch_init = mt7530_setup; - priv->switch_mac_control = mt7530_mac_control; - priv->mt753x_smi_addr = MT753X_DFL_SMI_ADDR; - priv->mt753x_reset_wait_time = 1000; - } else if (!strcmp(str, "mt7531")) { - priv->sw = SW_MT7531; - priv->switch_init = mt7531_setup; - priv->switch_mac_control = mt7531_mac_control; - priv->mt753x_smi_addr = MT753X_DFL_SMI_ADDR; - priv->mt753x_reset_wait_time = 200; - } else if (!strcmp(str, "mt7988")) { - priv->sw = SW_MT7988; - priv->switch_init = mt7988_setup; - priv->switch_mac_control = mt7988_mac_control; - priv->mt753x_smi_addr = MT753X_DFL_SMI_ADDR; - priv->mt753x_reset_wait_time = 50; - } else { - printf("error: unsupported switch\n"); - return -EINVAL; - } - + priv->swname = dev_read_string(dev, "mediatek,switch"); + if (priv->swname) { priv->mcm = dev_read_bool(dev, "mediatek,mcm"); if (priv->mcm) { ret = reset_get_by_name(dev, "mcm", &priv->rst_mcm); @@ -2271,10 +1554,10 @@ U_BOOT_DRIVER(mtk_eth) = { .id = UCLASS_ETH, .of_match = mtk_eth_ids, .of_to_plat = mtk_eth_of_to_plat, - .plat_auto = sizeof(struct eth_pdata), + .plat_auto = sizeof(struct eth_pdata), .probe = mtk_eth_probe, .remove = mtk_eth_remove, .ops = &mtk_eth_ops, - .priv_auto = sizeof(struct mtk_eth_priv), + .priv_auto = sizeof(struct mtk_eth_priv), .flags = DM_FLAG_ALLOC_PRIV_DMA, }; diff --git a/drivers/net/mtk_eth.h b/drivers/net/mtk_eth/mtk_eth.h similarity index 59% rename from drivers/net/mtk_eth.h rename to drivers/net/mtk_eth/mtk_eth.h index 1aa037907c5..0ad32799128 100644 --- a/drivers/net/mtk_eth.h +++ b/drivers/net/mtk_eth/mtk_eth.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (C) 2018 MediaTek Inc. + * Copyright (C) 2025 MediaTek Inc. * * Author: Weijie Gao weijie.gao@mediatek.com * Author: Mark Lee mark-mc.lee@mediatek.com @@ -9,9 +9,55 @@ #ifndef _MTK_ETH_H_ #define _MTK_ETH_H_
+#include <linker_lists.h> #include <linux/bitops.h> #include <linux/bitfield.h>
+struct mtk_eth_priv; +struct mtk_eth_switch_priv; + +/* struct mtk_soc_data - This is the structure holding all differences + * among various plaforms + * @caps Flags shown the extra capability for the SoC + * @ana_rgc3: The offset for register ANA_RGC3 related to + * sgmiisys syscon + * @gdma_count: Number of GDMAs + * @pdma_base: Register base of PDMA block + * @txd_size: Tx DMA descriptor size. + * @rxd_size: Rx DMA descriptor size. + */ +struct mtk_soc_data { + u32 caps; + u32 ana_rgc3; + u32 gdma_count; + u32 pdma_base; + u32 txd_size; + u32 rxd_size; +}; + +struct mtk_eth_switch { + const char *name; + const char *desc; + size_t priv_size; + u32 reset_wait_time; + + int (*detect)(struct mtk_eth_priv *priv); + int (*setup)(struct mtk_eth_switch_priv *priv); + int (*cleanup)(struct mtk_eth_switch_priv *priv); + void (*mac_control)(struct mtk_eth_switch_priv *priv, bool enable); +}; + +#define MTK_ETH_SWITCH(__name) \ + ll_entry_declare(struct mtk_eth_switch, __name, mtk_eth_switch) + +struct mtk_eth_switch_priv { + struct mtk_eth_priv *eth; + const struct mtk_eth_switch *sw; + const struct mtk_soc_data *soc; + void *ethsys_base; + int phy_interface; +}; + enum mkt_eth_capabilities { MTK_TRGMII_BIT, MTK_TRGMII_MT7621_CLK_BIT, @@ -36,7 +82,6 @@ enum mkt_eth_capabilities {
/* Supported path present on SoCs */ #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT) - #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT) #define MTK_ETH_PATH_MT7622_SGMII BIT(MTK_ETH_PATH_MT7622_SGMII_BIT) #define MTK_ETH_PATH_MT7629_GMAC2 BIT(MTK_ETH_PATH_MT7629_GMAC2_BIT) @@ -59,6 +104,8 @@ enum mkt_eth_capabilities {
#define MT7986_CAPS (MTK_NETSYS_V2)
+#define MT7987_CAPS (MTK_NETSYS_V3 | MTK_GMAC2_U3_QPHY | MTK_INFRA) + #define MT7988_CAPS (MTK_NETSYS_V3 | MTK_INFRA)
/* Frame Engine Register Bases */ @@ -72,7 +119,6 @@ enum mkt_eth_capabilities { #define GSW_BASE 0x20000
/* Ethernet subsystem registers */ - #define ETHSYS_SYSCFG1_REG 0x14 #define SYSCFG1_GE_MODE_S(n) (12 + ((n) * 2)) #define SYSCFG1_GE_MODE_M 0x3 @@ -191,7 +237,6 @@ enum mkt_eth_capabilities { #define DP_DISCARD 7
/* GMAC Registers */ - #define GMAC_PPSC_REG 0x0000 #define PHY_MDC_CFG GENMASK(29, 24) #define MDC_TURBO BIT(20) @@ -272,6 +317,8 @@ enum mkt_eth_capabilities { #define RX_RST BIT(31) #define RXC_DQSISEL BIT(30)
+#define NUM_TRGMII_CTRL 5 + #define GMAC_TRGMII_TD_ODT(n) (0x354 + (n) * 8) #define TD_DM_DRVN_S 4 #define TD_DM_DRVN_M 0xf0 @@ -288,164 +335,7 @@ enum mkt_eth_capabilities { #define XGMAC_FORCE_TX_FC BIT(5) #define XGMAC_FORCE_RX_FC BIT(4)
-/* MT7530 Registers */ - -#define PCR_REG(p) (0x2004 + (p) * 0x100) -#define PORT_MATRIX_S 16 -#define PORT_MATRIX_M 0xff0000 - -#define PVC_REG(p) (0x2010 + (p) * 0x100) -#define STAG_VPID_S 16 -#define STAG_VPID_M 0xffff0000 -#define VLAN_ATTR_S 6 -#define VLAN_ATTR_M 0xc0 - -/* VLAN_ATTR: VLAN attributes */ -#define VLAN_ATTR_USER 0 -#define VLAN_ATTR_STACK 1 -#define VLAN_ATTR_TRANSLATION 2 -#define VLAN_ATTR_TRANSPARENT 3 - -#define PMCR_REG(p) (0x3000 + (p) * 0x100) -/* XXX: all fields of MT7530 are defined under GMAC_PORT_MCR - * MT7531 specific fields are defined below - */ -#define FORCE_MODE_EEE1G BIT(25) -#define FORCE_MODE_EEE100 BIT(26) -#define FORCE_MODE_TX_FC BIT(27) -#define FORCE_MODE_RX_FC BIT(28) -#define FORCE_MODE_DPX BIT(29) -#define FORCE_MODE_SPD BIT(30) -#define FORCE_MODE_LNK BIT(31) -#define MT7531_FORCE_MODE FORCE_MODE_EEE1G | FORCE_MODE_EEE100 |\ - FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ - FORCE_MODE_DPX | FORCE_MODE_SPD | \ - FORCE_MODE_LNK -#define MT7988_FORCE_MODE FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ - FORCE_MODE_DPX | FORCE_MODE_SPD | \ - FORCE_MODE_LNK - -/* MT7531 SGMII Registers */ -#define MT7531_SGMII_REG_BASE 0x5000 -#define MT7531_SGMII_REG_PORT_BASE 0x1000 -#define MT7531_SGMII_REG(p, r) (MT7531_SGMII_REG_BASE + \ - (p) * MT7531_SGMII_REG_PORT_BASE + (r)) -#define MT7531_PCS_CONTROL_1(p) MT7531_SGMII_REG(((p) - 5), 0x00) -#define MT7531_SGMII_MODE(p) MT7531_SGMII_REG(((p) - 5), 0x20) -#define MT7531_QPHY_PWR_STATE_CTRL(p) MT7531_SGMII_REG(((p) - 5), 0xe8) -#define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(((p) - 5), 0x128) -/* XXX: all fields of MT7531 SGMII are defined under SGMSYS */ - -/* MT753x System Control Register */ -#define SYS_CTRL_REG 0x7000 -#define SW_PHY_RST BIT(2) -#define SW_SYS_RST BIT(1) -#define SW_REG_RST BIT(0) - -/* MT7531 */ -#define MT7531_PHY_IAC 0x701c -/* XXX: all fields are defined under GMAC_PIAC_REG */ - -#define MT7531_CLKGEN_CTRL 0x7500 -#define CLK_SKEW_OUT_S 8 -#define CLK_SKEW_OUT_M 0x300 -#define CLK_SKEW_IN_S 6 -#define CLK_SKEW_IN_M 0xc0 -#define RXCLK_NO_DELAY BIT(5) -#define TXCLK_NO_REVERSE BIT(4) -#define GP_MODE_S 1 -#define GP_MODE_M 0x06 -#define GP_CLK_EN BIT(0) - -/* Values of GP_MODE */ -#define GP_MODE_RGMII 0 -#define GP_MODE_MII 1 -#define GP_MODE_REV_MII 2 - -/* Values of CLK_SKEW_IN */ -#define CLK_SKEW_IN_NO_CHANGE 0 -#define CLK_SKEW_IN_DELAY_100PPS 1 -#define CLK_SKEW_IN_DELAY_200PPS 2 -#define CLK_SKEW_IN_REVERSE 3 - -/* Values of CLK_SKEW_OUT */ -#define CLK_SKEW_OUT_NO_CHANGE 0 -#define CLK_SKEW_OUT_DELAY_100PPS 1 -#define CLK_SKEW_OUT_DELAY_200PPS 2 -#define CLK_SKEW_OUT_REVERSE 3 - -#define HWTRAP_REG 0x7800 -/* MT7530 Modified Hardware Trap Status Registers */ -#define MHWTRAP_REG 0x7804 -#define CHG_TRAP BIT(16) -#define LOOPDET_DIS BIT(14) -#define P5_INTF_SEL_S 13 -#define P5_INTF_SEL_M 0x2000 -#define SMI_ADDR_S 11 -#define SMI_ADDR_M 0x1800 -#define XTAL_FSEL_S 9 -#define XTAL_FSEL_M 0x600 -#define P6_INTF_DIS BIT(8) -#define P5_INTF_MODE_S 7 -#define P5_INTF_MODE_M 0x80 -#define P5_INTF_DIS BIT(6) -#define C_MDIO_BPS BIT(5) -#define CHIP_MODE_S 0 -#define CHIP_MODE_M 0x0f - -/* P5_INTF_SEL: Interface type of Port5 */ -#define P5_INTF_SEL_GPHY 0 -#define P5_INTF_SEL_GMAC5 1 - -/* P5_INTF_MODE: Interface mode of Port5 */ -#define P5_INTF_MODE_GMII_MII 0 -#define P5_INTF_MODE_RGMII 1 - -#define MT7530_P6ECR 0x7830 -#define P6_INTF_MODE_M 0x3 -#define P6_INTF_MODE_S 0 - -/* P6_INTF_MODE: Interface mode of Port6 */ -#define P6_INTF_MODE_RGMII 0 -#define P6_INTF_MODE_TRGMII 1 - -#define NUM_TRGMII_CTRL 5 - -#define MT7530_TRGMII_RD(n) (0x7a10 + (n) * 8) -#define RD_TAP_S 0 -#define RD_TAP_M 0x7f - -#define MT7530_TRGMII_TD_ODT(n) (0x7a54 + (n) * 8) -/* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */ - -/* TOP Signals Status Register */ -#define MT7531_TOP_SIG_SR 0x780c -#define PAD_MCM_SMI_EN BIT(0) -#define PAD_DUAL_SGMII_EN BIT(1) - -/* MT7531 PLLGP Registers */ -#define MT7531_PLLGP_EN 0x7820 -#define EN_COREPLL BIT(2) -#define SW_CLKSW BIT(1) -#define SW_PLLGP BIT(0) - -#define MT7531_PLLGP_CR0 0x78a8 -#define RG_COREPLL_EN BIT(22) -#define RG_COREPLL_POSDIV_S 23 -#define RG_COREPLL_POSDIV_M 0x3800000 -#define RG_COREPLL_SDM_PCW_S 1 -#define RG_COREPLL_SDM_PCW_M 0x3ffffe -#define RG_COREPLL_SDM_PCW_CHG BIT(0) - -/* MT7531 RGMII and SGMII PLL clock */ -#define MT7531_ANA_PLLGP_CR2 0x78b0 -#define MT7531_ANA_PLLGP_CR5 0x78bc - -/* MT7531 GPIO GROUP IOLB SMT0 Control */ -#define MT7531_SMT0_IOLB 0x7f04 -#define SMT_IOLB_5_SMI_MDC_EN BIT(5) - -/* MT7530 GPHY MDIO Indirect Access Registers */ +/* MDIO Indirect Access Registers */ #define MII_MMD_ACC_CTL_REG 0x0d #define MMD_CMD_S 14 #define MMD_CMD_M 0xc000 @@ -460,80 +350,6 @@ enum mkt_eth_capabilities {
#define MII_MMD_ADDR_DATA_REG 0x0e
-/* MT7530 GPHY MDIO MMD Registers */ -#define CORE_PLL_GROUP2 0x401 -#define RG_SYSPLL_EN_NORMAL BIT(15) -#define RG_SYSPLL_VODEN BIT(14) -#define RG_SYSPLL_POSDIV_S 5 -#define RG_SYSPLL_POSDIV_M 0x60 - -#define CORE_PLL_GROUP4 0x403 -#define MT7531_BYPASS_MODE BIT(4) -#define MT7531_POWER_ON_OFF BIT(5) -#define RG_SYSPLL_DDSFBK_EN BIT(12) -#define RG_SYSPLL_BIAS_EN BIT(11) -#define RG_SYSPLL_BIAS_LPF_EN BIT(10) - -#define CORE_PLL_GROUP5 0x404 -#define RG_LCDDS_PCW_NCPO1_S 0 -#define RG_LCDDS_PCW_NCPO1_M 0xffff - -#define CORE_PLL_GROUP6 0x405 -#define RG_LCDDS_PCW_NCPO0_S 0 -#define RG_LCDDS_PCW_NCPO0_M 0xffff - -#define CORE_PLL_GROUP7 0x406 -#define RG_LCDDS_PWDB BIT(15) -#define RG_LCDDS_ISO_EN BIT(13) -#define RG_LCCDS_C_S 4 -#define RG_LCCDS_C_M 0x70 -#define RG_LCDDS_PCW_NCPO_CHG BIT(3) - -#define CORE_PLL_GROUP10 0x409 -#define RG_LCDDS_SSC_DELTA_S 0 -#define RG_LCDDS_SSC_DELTA_M 0xfff - -#define CORE_PLL_GROUP11 0x40a -#define RG_LCDDS_SSC_DELTA1_S 0 -#define RG_LCDDS_SSC_DELTA1_M 0xfff - -#define CORE_GSWPLL_GRP1 0x40d -#define RG_GSWPLL_POSDIV_200M_S 12 -#define RG_GSWPLL_POSDIV_200M_M 0x3000 -#define RG_GSWPLL_EN_PRE BIT(11) -#define RG_GSWPLL_FBKDIV_200M_S 0 -#define RG_GSWPLL_FBKDIV_200M_M 0xff - -#define CORE_GSWPLL_GRP2 0x40e -#define RG_GSWPLL_POSDIV_500M_S 8 -#define RG_GSWPLL_POSDIV_500M_M 0x300 -#define RG_GSWPLL_FBKDIV_500M_S 0 -#define RG_GSWPLL_FBKDIV_500M_M 0xff - -#define CORE_TRGMII_GSW_CLK_CG 0x410 -#define REG_GSWCK_EN BIT(0) -#define REG_TRGMIICK_EN BIT(1) - -/* Extend PHY Control Register 3 */ -#define PHY_EXT_REG_14 0x14 - -/* Fields of PHY_EXT_REG_14 */ -#define PHY_EN_DOWN_SHFIT BIT(4) - -/* Extend PHY Control Register 4 */ -#define PHY_EXT_REG_17 0x17 - -/* Fields of PHY_EXT_REG_17 */ -#define PHY_LINKDOWN_POWER_SAVING_EN BIT(4) - -/* PHY RXADC Control Register 7 */ -#define PHY_DEV1E_REG_0C6 0x0c6 - -/* Fields of PHY_DEV1E_REG_0C6 */ -#define PHY_POWER_SAVING_S 8 -#define PHY_POWER_SAVING_M 0x300 -#define PHY_POWER_SAVING_TX 0x0 - /* PDMA descriptors */ struct mtk_rx_dma { unsigned int rxd1; @@ -597,4 +413,17 @@ struct mtk_tx_dma_v2 { #define PDMA_V2_RXD2_PLEN0_GET(_v) FIELD_GET(PDMA_V2_RXD2_PLEN0_M, (_v)) #define PDMA_V2_RXD2_PLEN0_SET(_v) FIELD_PREP(PDMA_V2_RXD2_PLEN0_M, (_v))
+void mtk_fe_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set); +void mtk_gmac_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set); +void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set); + +int mtk_mii_read(struct mtk_eth_priv *priv, u8 phy, u8 reg); +int mtk_mii_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data); +int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg); +int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg, + u16 val); +int mtk_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg); +int mtk_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg, + u16 val); + #endif /* _MTK_ETH_H_ */
This patch adds support for MediaTek MT7987.
MT7987 features MediaTek NETSYS v3, similar to MT7988, features three GMACs which support 2.5Gb HSGMII. One 2.5Gb PHY is also embedded an can be connected to a dedicated GMAC.
Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- drivers/net/mtk_eth/Kconfig | 4 ++-- drivers/net/mtk_eth/mtk_eth.c | 10 ++++++++++ 2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mtk_eth/Kconfig b/drivers/net/mtk_eth/Kconfig index 8d012fb1374..467684749f1 100644 --- a/drivers/net/mtk_eth/Kconfig +++ b/drivers/net/mtk_eth/Kconfig @@ -16,7 +16,7 @@ config MTK_ETH_SGMII
config MTK_ETH_XGMII bool - default y if TARGET_MT7988 + default y if TARGET_MT7987 || TARGET_MT7988
config MTK_ETH_SWITCH_MT7530 bool "Support for MediaTek MT7530 ethernet switch" @@ -25,7 +25,7 @@ config MTK_ETH_SWITCH_MT7530 config MTK_ETH_SWITCH_MT7531 bool "Support for MediaTek MT7531 ethernet switch" default y if TARGET_MT7622 || TARGET_MT7629 || TARGET_MT7981 || \ - TARGET_MT7986 + TARGET_MT7986 || TARGET_MT7987
config MTK_ETH_SWITCH_MT7988 bool "Support for MediaTek MT7988 built-in ethernet switch" diff --git a/drivers/net/mtk_eth/mtk_eth.c b/drivers/net/mtk_eth/mtk_eth.c index 1e6b30769d1..5d6a42bceb4 100644 --- a/drivers/net/mtk_eth/mtk_eth.c +++ b/drivers/net/mtk_eth/mtk_eth.c @@ -1477,6 +1477,15 @@ static const struct mtk_soc_data mt7988_data = { .rxd_size = sizeof(struct mtk_rx_dma_v2), };
+static const struct mtk_soc_data mt7987_data = { + .caps = MT7987_CAPS, + .ana_rgc3 = 0x128, + .gdma_count = 3, + .pdma_base = PDMA_V3_BASE, + .txd_size = sizeof(struct mtk_tx_dma_v2), + .rxd_size = sizeof(struct mtk_rx_dma_v2), +}; + static const struct mtk_soc_data mt7986_data = { .caps = MT7986_CAPS, .ana_rgc3 = 0x128, @@ -1531,6 +1540,7 @@ static const struct mtk_soc_data mt7621_data = {
static const struct udevice_id mtk_eth_ids[] = { { .compatible = "mediatek,mt7988-eth", .data = (ulong)&mt7988_data }, + { .compatible = "mediatek,mt7987-eth", .data = (ulong)&mt7987_data }, { .compatible = "mediatek,mt7986-eth", .data = (ulong)&mt7986_data }, { .compatible = "mediatek,mt7981-eth", .data = (ulong)&mt7981_data }, { .compatible = "mediatek,mt7629-eth", .data = (ulong)&mt7629_data },
Airoha AN8855 is a 5-port gigabit switch with a 2.5G HSGMII CPU port
Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- drivers/net/mtk_eth/Kconfig | 4 + drivers/net/mtk_eth/Makefile | 1 + drivers/net/mtk_eth/an8855.c | 1096 ++++++++++++++++++++++++++++++++++ 3 files changed, 1101 insertions(+) create mode 100644 drivers/net/mtk_eth/an8855.c
diff --git a/drivers/net/mtk_eth/Kconfig b/drivers/net/mtk_eth/Kconfig index 467684749f1..e8cdf408237 100644 --- a/drivers/net/mtk_eth/Kconfig +++ b/drivers/net/mtk_eth/Kconfig @@ -32,4 +32,8 @@ config MTK_ETH_SWITCH_MT7988 depends on TARGET_MT7988 default y
+config MTK_ETH_SWITCH_AN8855 + bool "Support for Airoha AN8855 ethernet switch" + default y if TARGET_MT7981 || TARGET_MT7987 + endif # MEDIATEK_ETH diff --git a/drivers/net/mtk_eth/Makefile b/drivers/net/mtk_eth/Makefile index 885375c5b38..a342325ed5d 100644 --- a/drivers/net/mtk_eth/Makefile +++ b/drivers/net/mtk_eth/Makefile @@ -7,3 +7,4 @@ obj-y += mtk_eth.o obj-$(CONFIG_MTK_ETH_SWITCH_MT7530) += mt753x.o mt7530.o obj-$(CONFIG_MTK_ETH_SWITCH_MT7531) += mt753x.o mt7531.o obj-$(CONFIG_MTK_ETH_SWITCH_MT7988) += mt753x.o mt7988.o +obj-$(CONFIG_MTK_ETH_SWITCH_AN8855) += an8855.o diff --git a/drivers/net/mtk_eth/an8855.c b/drivers/net/mtk_eth/an8855.c new file mode 100644 index 00000000000..4bd7506a58b --- /dev/null +++ b/drivers/net/mtk_eth/an8855.c @@ -0,0 +1,1096 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 MediaTek Inc. + * + * Author: Neal Yen neal.yen@mediatek.com + * Author: Weijie Gao weijie.gao@mediatek.com + */ + +#include <phy.h> +#include <miiphy.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/mdio.h> +#include <linux/mii.h> +#include "mtk_eth.h" + +/* AN8855 Register Definitions */ +#define AN8855_SYS_CTRL_REG 0x100050c0 +#define AN8855_SW_SYS_RST BIT(31) + +#define AN8855_PMCR_REG(p) (0x10210000 + (p) * 0x200) +#define AN8855_FORCE_MODE_LNK BIT(31) +#define AN8855_FORCE_MODE 0xb31593f0 + +#define AN8855_PORT_CTRL_BASE (0x10208000) +#define AN8855_PORT_CTRL_REG(p, r) (AN8855_PORT_CTRL_BASE + (p) * 0x200 + (r)) + +#define AN8855_PORTMATRIX_REG(p) AN8855_PORT_CTRL_REG(p, 0x44) + +#define AN8855_PVC(p) AN8855_PORT_CTRL_REG(p, 0x10) +#define AN8855_STAG_VPID_S 16 +#define AN8855_STAG_VPID_M 0xffff0000 +#define AN8855_VLAN_ATTR_S 6 +#define AN8855_VLAN_ATTR_M 0xc0 + +#define VLAN_ATTR_USER 0 + +#define AN8855_INT_MASK 0x100050F0 +#define AN8855_INT_SYS_BIT BIT(15) + +#define AN8855_RG_CLK_CPU_ICG 0x10005034 +#define AN8855_MCU_ENABLE BIT(3) + +#define AN8855_RG_TIMER_CTL 0x1000a100 +#define AN8855_WDOG_ENABLE BIT(25) + +#define AN8855_CKGCR 0x10213e1c + +#define AN8855_SCU_BASE 0x10000000 +#define AN8855_RG_RGMII_TXCK_C (AN8855_SCU_BASE + 0x1d0) +#define AN8855_RG_GPIO_LED_MODE (AN8855_SCU_BASE + 0x0054) +#define AN8855_RG_GPIO_LED_SEL(i) (AN8855_SCU_BASE + (0x0058 + ((i) * 4))) +#define AN8855_RG_INTB_MODE (AN8855_SCU_BASE + 0x0080) +#define AN8855_RG_GDMP_RAM (AN8855_SCU_BASE + 0x10000) +#define AN8855_RG_GPIO_L_INV (AN8855_SCU_BASE + 0x0010) +#define AN8855_RG_GPIO_CTRL (AN8855_SCU_BASE + 0xa300) +#define AN8855_RG_GPIO_DATA (AN8855_SCU_BASE + 0xa304) +#define AN8855_RG_GPIO_OE (AN8855_SCU_BASE + 0xa314) + +#define AN8855_HSGMII_AN_CSR_BASE 0x10220000 +#define AN8855_SGMII_REG_AN0 (AN8855_HSGMII_AN_CSR_BASE + 0x000) +#define AN8855_SGMII_REG_AN_13 (AN8855_HSGMII_AN_CSR_BASE + 0x034) +#define AN8855_SGMII_REG_AN_FORCE_CL37 (AN8855_HSGMII_AN_CSR_BASE + 0x060) + +#define AN8855_HSGMII_CSR_PCS_BASE 0x10220000 +#define AN8855_RG_HSGMII_PCS_CTROL_1 (AN8855_HSGMII_CSR_PCS_BASE + 0xa00) +#define AN8855_RG_AN_SGMII_MODE_FORCE (AN8855_HSGMII_CSR_PCS_BASE + 0xa24) + +#define AN8855_MULTI_SGMII_CSR_BASE 0x10224000 +#define AN8855_SGMII_STS_CTRL_0 (AN8855_MULTI_SGMII_CSR_BASE + 0x018) +#define AN8855_MSG_RX_CTRL_0 (AN8855_MULTI_SGMII_CSR_BASE + 0x100) +#define AN8855_MSG_RX_LIK_STS_0 (AN8855_MULTI_SGMII_CSR_BASE + 0x514) +#define AN8855_MSG_RX_LIK_STS_2 (AN8855_MULTI_SGMII_CSR_BASE + 0x51c) +#define AN8855_PHY_RX_FORCE_CTRL_0 (AN8855_MULTI_SGMII_CSR_BASE + 0x520) + +#define AN8855_XFI_CSR_PCS_BASE 0x10225000 +#define AN8855_RG_USXGMII_AN_CONTROL_0 (AN8855_XFI_CSR_PCS_BASE + 0xbf8) + +#define AN8855_MULTI_PHY_RA_CSR_BASE 0x10226000 +#define AN8855_RG_RATE_ADAPT_CTRL_0 (AN8855_MULTI_PHY_RA_CSR_BASE + 0x000) +#define AN8855_RATE_ADP_P0_CTRL_0 (AN8855_MULTI_PHY_RA_CSR_BASE + 0x100) +#define AN8855_MII_RA_AN_ENABLE (AN8855_MULTI_PHY_RA_CSR_BASE + 0x300) + +#define AN8855_QP_DIG_CSR_BASE 0x1022a000 +#define AN8855_QP_CK_RST_CTRL_4 (AN8855_QP_DIG_CSR_BASE + 0x310) +#define AN8855_QP_DIG_MODE_CTRL_0 (AN8855_QP_DIG_CSR_BASE + 0x324) +#define AN8855_QP_DIG_MODE_CTRL_1 (AN8855_QP_DIG_CSR_BASE + 0x330) + +#define AN8855_QP_PMA_TOP_BASE 0x1022e000 +#define AN8855_PON_RXFEDIG_CTRL_0 (AN8855_QP_PMA_TOP_BASE + 0x100) +#define AN8855_PON_RXFEDIG_CTRL_9 (AN8855_QP_PMA_TOP_BASE + 0x124) + +#define AN8855_SS_LCPLL_PWCTL_SETTING_2 (AN8855_QP_PMA_TOP_BASE + 0x208) +#define AN8855_SS_LCPLL_TDC_FLT_2 (AN8855_QP_PMA_TOP_BASE + 0x230) +#define AN8855_SS_LCPLL_TDC_FLT_5 (AN8855_QP_PMA_TOP_BASE + 0x23c) +#define AN8855_SS_LCPLL_TDC_PCW_1 (AN8855_QP_PMA_TOP_BASE + 0x248) +#define AN8855_INTF_CTRL_8 (AN8855_QP_PMA_TOP_BASE + 0x320) +#define AN8855_INTF_CTRL_9 (AN8855_QP_PMA_TOP_BASE + 0x324) +#define AN8855_PLL_CTRL_0 (AN8855_QP_PMA_TOP_BASE + 0x400) +#define AN8855_PLL_CTRL_2 (AN8855_QP_PMA_TOP_BASE + 0x408) +#define AN8855_PLL_CTRL_3 (AN8855_QP_PMA_TOP_BASE + 0x40c) +#define AN8855_PLL_CTRL_4 (AN8855_QP_PMA_TOP_BASE + 0x410) +#define AN8855_PLL_CK_CTRL_0 (AN8855_QP_PMA_TOP_BASE + 0x414) +#define AN8855_RX_DLY_0 (AN8855_QP_PMA_TOP_BASE + 0x614) +#define AN8855_RX_CTRL_2 (AN8855_QP_PMA_TOP_BASE + 0x630) +#define AN8855_RX_CTRL_5 (AN8855_QP_PMA_TOP_BASE + 0x63c) +#define AN8855_RX_CTRL_6 (AN8855_QP_PMA_TOP_BASE + 0x640) +#define AN8855_RX_CTRL_7 (AN8855_QP_PMA_TOP_BASE + 0x644) +#define AN8855_RX_CTRL_8 (AN8855_QP_PMA_TOP_BASE + 0x648) +#define AN8855_RX_CTRL_26 (AN8855_QP_PMA_TOP_BASE + 0x690) +#define AN8855_RX_CTRL_42 (AN8855_QP_PMA_TOP_BASE + 0x6d0) + +#define AN8855_QP_ANA_CSR_BASE 0x1022f000 +#define AN8855_RG_QP_RX_DAC_EN (AN8855_QP_ANA_CSR_BASE + 0x00) +#define AN8855_RG_QP_RXAFE_RESERVE (AN8855_QP_ANA_CSR_BASE + 0x04) +#define AN8855_RG_QP_CDR_LPF_MJV_LIM (AN8855_QP_ANA_CSR_BASE + 0x0c) +#define AN8855_RG_QP_CDR_LPF_SETVALUE (AN8855_QP_ANA_CSR_BASE + 0x14) +#define AN8855_RG_QP_CDR_PR_CKREF_DIV1 (AN8855_QP_ANA_CSR_BASE + 0x18) +#define AN8855_RG_QP_CDR_PR_KBAND_DIV_PCIE (AN8855_QP_ANA_CSR_BASE + 0x1c) +#define AN8855_RG_QP_CDR_FORCE_IBANDLPF_R_OFF (AN8855_QP_ANA_CSR_BASE + 0x20) +#define AN8855_RG_QP_TX_MODE_16B_EN (AN8855_QP_ANA_CSR_BASE + 0x28) +#define AN8855_RG_QP_PLL_IPLL_DIG_PWR_SEL (AN8855_QP_ANA_CSR_BASE + 0x3c) +#define AN8855_RG_QP_PLL_SDM_ORD (AN8855_QP_ANA_CSR_BASE + 0x40) + +#define AN8855_ETHER_SYS_BASE 0x1028c800 +#define RG_GPHY_AFE_PWD (AN8855_ETHER_SYS_BASE + 0x40) + +#define AN8855_PKG_SEL 0x10000094 +#define PAG_SEL_AN8855H 0x2 + +/* PHY LED Register bitmap of define */ +#define PHY_LED_CTRL_SELECT 0x3e8 +#define PHY_SINGLE_LED_ON_CTRL(i) (0x3e0 + ((i) * 2)) +#define PHY_SINGLE_LED_BLK_CTRL(i) (0x3e1 + ((i) * 2)) +#define PHY_SINGLE_LED_ON_DUR(i) (0x3e9 + ((i) * 2)) +#define PHY_SINGLE_LED_BLK_DUR(i) (0x3ea + ((i) * 2)) + +#define PHY_PMA_CTRL (0x340) + +#define PHY_DEV1F 0x1f + +#define PHY_LED_ON_CTRL(i) (0x24 + ((i) * 2)) +#define LED_ON_EN (1 << 15) +#define LED_ON_POL (1 << 14) +#define LED_ON_EVT_MASK (0x7f) + +/* LED ON Event */ +#define LED_ON_EVT_FORCE (1 << 6) +#define LED_ON_EVT_LINK_HD (1 << 5) +#define LED_ON_EVT_LINK_FD (1 << 4) +#define LED_ON_EVT_LINK_DOWN (1 << 3) +#define LED_ON_EVT_LINK_10M (1 << 2) +#define LED_ON_EVT_LINK_100M (1 << 1) +#define LED_ON_EVT_LINK_1000M (1 << 0) + +#define PHY_LED_BLK_CTRL(i) (0x25 + ((i) * 2)) +#define LED_BLK_EVT_MASK (0x3ff) +/* LED Blinking Event */ +#define LED_BLK_EVT_FORCE (1 << 9) +#define LED_BLK_EVT_10M_RX_ACT (1 << 5) +#define LED_BLK_EVT_10M_TX_ACT (1 << 4) +#define LED_BLK_EVT_100M_RX_ACT (1 << 3) +#define LED_BLK_EVT_100M_TX_ACT (1 << 2) +#define LED_BLK_EVT_1000M_RX_ACT (1 << 1) +#define LED_BLK_EVT_1000M_TX_ACT (1 << 0) + +#define PHY_LED_BCR (0x21) +#define LED_BCR_EXT_CTRL (1 << 15) +#define LED_BCR_CLK_EN (1 << 3) +#define LED_BCR_TIME_TEST (1 << 2) +#define LED_BCR_MODE_MASK (3) +#define LED_BCR_MODE_DISABLE (0) + +#define PHY_LED_ON_DUR (0x22) +#define LED_ON_DUR_MASK (0xffff) + +#define PHY_LED_BLK_DUR (0x23) +#define LED_BLK_DUR_MASK (0xffff) + +#define PHY_LED_BLINK_DUR_CTRL (0x720) + +/* Definition of LED */ +#define LED_ON_EVENT (LED_ON_EVT_LINK_1000M | \ + LED_ON_EVT_LINK_100M | LED_ON_EVT_LINK_10M |\ + LED_ON_EVT_LINK_HD | LED_ON_EVT_LINK_FD) + +#define LED_BLK_EVENT (LED_BLK_EVT_1000M_TX_ACT | \ + LED_BLK_EVT_1000M_RX_ACT | \ + LED_BLK_EVT_100M_TX_ACT | \ + LED_BLK_EVT_100M_RX_ACT | \ + LED_BLK_EVT_10M_TX_ACT | \ + LED_BLK_EVT_10M_RX_ACT) + +#define LED_FREQ AIR_LED_BLK_DUR_64M + +#define AN8855_NUM_PHYS 5 +#define AN8855_NUM_PORTS 6 +#define AN8855_PHY_ADDR(base, addr) (((base) + (addr)) & 0x1f) + +/* PHY LED Register bitmap of define */ +#define PHY_LED_CTRL_SELECT 0x3e8 +#define PHY_SINGLE_LED_ON_CTRL(i) (0x3e0 + ((i) * 2)) +#define PHY_SINGLE_LED_BLK_CTRL(i) (0x3e1 + ((i) * 2)) +#define PHY_SINGLE_LED_ON_DUR(i) (0x3e9 + ((i) * 2)) +#define PHY_SINGLE_LED_BLK_DUR(i) (0x3ea + ((i) * 2)) + +/* AN8855 LED */ +enum an8855_led_blk_dur { + AIR_LED_BLK_DUR_32M, + AIR_LED_BLK_DUR_64M, + AIR_LED_BLK_DUR_128M, + AIR_LED_BLK_DUR_256M, + AIR_LED_BLK_DUR_512M, + AIR_LED_BLK_DUR_1024M, + AIR_LED_BLK_DUR_LAST +}; + +enum an8855_led_polarity { + LED_LOW, + LED_HIGH, +}; + +enum an8855_led_mode { + AN8855_LED_MODE_DISABLE, + AN8855_LED_MODE_USER_DEFINE, + AN8855_LED_MODE_LAST +}; + +enum phy_led_idx { + P0_LED0, + P0_LED1, + P0_LED2, + P0_LED3, + P1_LED0, + P1_LED1, + P1_LED2, + P1_LED3, + P2_LED0, + P2_LED1, + P2_LED2, + P2_LED3, + P3_LED0, + P3_LED1, + P3_LED2, + P3_LED3, + P4_LED0, + P4_LED1, + P4_LED2, + P4_LED3, + PHY_LED_MAX +}; + +struct an8855_led_cfg { + u16 en; + u8 phy_led_idx; + u16 pol; + u16 on_cfg; + u16 blk_cfg; + u8 led_freq; +}; + +struct an8855_switch_priv { + struct mtk_eth_switch_priv epriv; + struct mii_dev *mdio_bus; + u32 phy_base; +}; + +/* AN8855 Reference Board */ +static const struct an8855_led_cfg led_cfg[] = { +/************************************************************************* + * Enable, LED idx, LED Polarity, LED ON event, LED Blink event LED Freq + ************************************************************************* + */ + /* GPIO0 */ + {1, P4_LED0, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO1 */ + {1, P4_LED1, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO2 */ + {1, P0_LED0, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO3 */ + {1, P0_LED1, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO4 */ + {1, P1_LED0, LED_LOW, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO5 */ + {1, P1_LED1, LED_LOW, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO6 */ + {0, PHY_LED_MAX, LED_LOW, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO7 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO8 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO9 */ + {1, P2_LED0, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO10 */ + {1, P2_LED1, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO11 */ + {1, P3_LED0, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO12 */ + {1, P3_LED1, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO13 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO14 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO15 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO16 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO17 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO18 */ + {0, PHY_LED_MAX, LED_HIGH, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO19 */ + {0, PHY_LED_MAX, LED_LOW, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, + /* GPIO20 */ + {0, PHY_LED_MAX, LED_LOW, LED_ON_EVENT, LED_BLK_EVENT, LED_FREQ}, +}; + +static int __an8855_reg_read(struct mtk_eth_priv *priv, u8 phy_base, u32 reg, u32 *data) +{ + int ret, low_word, high_word; + + ret = mtk_mii_write(priv, phy_base, 0x1f, 0x4); + if (ret) + return ret; + + ret = mtk_mii_write(priv, phy_base, 0x10, 0); + if (ret) + return ret; + + ret = mtk_mii_write(priv, phy_base, 0x15, ((reg >> 16) & 0xFFFF)); + if (ret) + return ret; + + ret = mtk_mii_write(priv, phy_base, 0x16, (reg & 0xFFFF)); + if (ret) + return ret; + + low_word = mtk_mii_read(priv, phy_base, 0x18); + if (low_word < 0) + return low_word; + + high_word = mtk_mii_read(priv, phy_base, 0x17); + if (high_word < 0) + return high_word; + + ret = mtk_mii_write(priv, phy_base, 0x1f, 0); + if (ret) + return ret; + + ret = mtk_mii_write(priv, phy_base, 0x10, 0); + if (ret) + return ret; + + if (data) + *data = ((u32)high_word << 16) | (low_word & 0xffff); + + return 0; +} + +static int an8855_reg_read(struct an8855_switch_priv *priv, u32 reg, u32 *data) +{ + return __an8855_reg_read(priv->epriv.eth, priv->phy_base, reg, data); +} + +static int an8855_reg_write(struct an8855_switch_priv *priv, u32 reg, u32 data) +{ + int ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x1f, 0x4); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x10, 0); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x11, + ((reg >> 16) & 0xFFFF)); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x12, + (reg & 0xFFFF)); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x13, + ((data >> 16) & 0xFFFF)); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x14, + (data & 0xFFFF)); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x1f, 0); + if (ret) + return ret; + + ret = mtk_mii_write(priv->epriv.eth, priv->phy_base, 0x10, 0); + if (ret) + return ret; + + return 0; +} + +static int an8855_phy_cl45_read(struct an8855_switch_priv *priv, int port, + int devad, int regnum, u16 *data) +{ + u16 phy_addr = AN8855_PHY_ADDR(priv->phy_base, port); + + *data = mtk_mmd_ind_read(priv->epriv.eth, phy_addr, devad, regnum); + + return 0; +} + +static int an8855_phy_cl45_write(struct an8855_switch_priv *priv, int port, + int devad, int regnum, u16 data) +{ + u16 phy_addr = AN8855_PHY_ADDR(priv->phy_base, port); + + mtk_mmd_ind_write(priv->epriv.eth, phy_addr, devad, regnum, data); + + return 0; +} + +static int an8855_port_sgmii_init(struct an8855_switch_priv *priv, u32 port) +{ + u32 val = 0; + + if (port != 5) { + printf("an8855: port %d is not a SGMII port\n", port); + return -EINVAL; + } + + /* PLL */ + an8855_reg_read(priv, AN8855_QP_DIG_MODE_CTRL_1, &val); + val &= ~(0x3 << 2); + val |= (0x1 << 2); + an8855_reg_write(priv, AN8855_QP_DIG_MODE_CTRL_1, val); + + /* PLL - LPF */ + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val &= ~(0x3 << 0); + val |= (0x1 << 0); + val &= ~(0x7 << 2); + val |= (0x5 << 2); + val &= ~GENMASK(7, 6); + val &= ~(0x7 << 8); + val |= (0x3 << 8); + val |= BIT(29); + val &= ~GENMASK(13, 12); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + /* PLL - ICO */ + an8855_reg_read(priv, AN8855_PLL_CTRL_4, &val); + val |= BIT(2); + an8855_reg_write(priv, AN8855_PLL_CTRL_4, val); + + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val &= ~BIT(14); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + /* PLL - CHP */ + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val &= ~(0xf << 16); + val |= (0x6 << 16); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + /* PLL - PFD */ + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val &= ~(0x3 << 20); + val |= (0x1 << 20); + val &= ~(0x3 << 24); + val |= (0x1 << 24); + val &= ~BIT(26); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + /* PLL - POSTDIV */ + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val |= BIT(22); + val &= ~BIT(27); + val &= ~BIT(28); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + /* PLL - SDM */ + an8855_reg_read(priv, AN8855_PLL_CTRL_4, &val); + val &= ~GENMASK(4, 3); + an8855_reg_write(priv, AN8855_PLL_CTRL_4, val); + + an8855_reg_read(priv, AN8855_PLL_CTRL_2, &val); + val &= ~BIT(30); + an8855_reg_write(priv, AN8855_PLL_CTRL_2, val); + + an8855_reg_read(priv, AN8855_SS_LCPLL_PWCTL_SETTING_2, &val); + val &= ~(0x3 << 16); + val |= (0x1 << 16); + an8855_reg_write(priv, AN8855_SS_LCPLL_PWCTL_SETTING_2, val); + + an8855_reg_write(priv, AN8855_SS_LCPLL_TDC_FLT_2, 0x7a000000); + an8855_reg_write(priv, AN8855_SS_LCPLL_TDC_PCW_1, 0x7a000000); + + an8855_reg_read(priv, AN8855_SS_LCPLL_TDC_FLT_5, &val); + val &= ~BIT(24); + an8855_reg_write(priv, AN8855_SS_LCPLL_TDC_FLT_5, val); + + an8855_reg_read(priv, AN8855_PLL_CK_CTRL_0, &val); + val &= ~BIT(8); + an8855_reg_write(priv, AN8855_PLL_CK_CTRL_0, val); + + /* PLL - SS */ + an8855_reg_read(priv, AN8855_PLL_CTRL_3, &val); + val &= ~GENMASK(15, 0); + an8855_reg_write(priv, AN8855_PLL_CTRL_3, val); + + an8855_reg_read(priv, AN8855_PLL_CTRL_4, &val); + val &= ~GENMASK(1, 0); + an8855_reg_write(priv, AN8855_PLL_CTRL_4, val); + + an8855_reg_read(priv, AN8855_PLL_CTRL_3, &val); + val &= ~GENMASK(31, 16); + an8855_reg_write(priv, AN8855_PLL_CTRL_3, val); + + /* PLL - TDC */ + an8855_reg_read(priv, AN8855_PLL_CK_CTRL_0, &val); + val &= ~BIT(9); + an8855_reg_write(priv, AN8855_PLL_CK_CTRL_0, val); + + an8855_reg_read(priv, AN8855_RG_QP_PLL_SDM_ORD, &val); + val |= BIT(3); + val |= BIT(4); + an8855_reg_write(priv, AN8855_RG_QP_PLL_SDM_ORD, val); + + an8855_reg_read(priv, AN8855_RG_QP_RX_DAC_EN, &val); + val &= ~(0x3 << 16); + val |= (0x2 << 16); + an8855_reg_write(priv, AN8855_RG_QP_RX_DAC_EN, val); + + /* TCL Disable (only for Co-SIM) */ + an8855_reg_read(priv, AN8855_PON_RXFEDIG_CTRL_0, &val); + val &= ~BIT(12); + an8855_reg_write(priv, AN8855_PON_RXFEDIG_CTRL_0, val); + + /* TX Init */ + an8855_reg_read(priv, AN8855_RG_QP_TX_MODE_16B_EN, &val); + val &= ~BIT(0); + val &= ~(0xffff << 16); + val |= (0x4 << 16); + an8855_reg_write(priv, AN8855_RG_QP_TX_MODE_16B_EN, val); + + /* RX Control */ + an8855_reg_read(priv, AN8855_RG_QP_RXAFE_RESERVE, &val); + val |= BIT(11); + an8855_reg_write(priv, AN8855_RG_QP_RXAFE_RESERVE, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_LPF_MJV_LIM, &val); + val &= ~(0x3 << 4); + val |= (0x1 << 4); + an8855_reg_write(priv, AN8855_RG_QP_CDR_LPF_MJV_LIM, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_LPF_SETVALUE, &val); + val &= ~(0xf << 25); + val |= (0x1 << 25); + val &= ~(0x7 << 29); + val |= (0x3 << 29); + an8855_reg_write(priv, AN8855_RG_QP_CDR_LPF_SETVALUE, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_PR_CKREF_DIV1, &val); + val &= ~(0x1f << 8); + val |= (0xf << 8); + an8855_reg_write(priv, AN8855_RG_QP_CDR_PR_CKREF_DIV1, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_PR_KBAND_DIV_PCIE, &val); + val &= ~(0x3f << 0); + val |= (0x19 << 0); + val &= ~BIT(6); + an8855_reg_write(priv, AN8855_RG_QP_CDR_PR_KBAND_DIV_PCIE, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_FORCE_IBANDLPF_R_OFF, &val); + val &= ~(0x7f << 6); + val |= (0x21 << 6); + val &= ~(0x3 << 16); + val |= (0x2 << 16); + val &= ~BIT(13); + an8855_reg_write(priv, AN8855_RG_QP_CDR_FORCE_IBANDLPF_R_OFF, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_PR_KBAND_DIV_PCIE, &val); + val &= ~BIT(30); + an8855_reg_write(priv, AN8855_RG_QP_CDR_PR_KBAND_DIV_PCIE, val); + + an8855_reg_read(priv, AN8855_RG_QP_CDR_PR_CKREF_DIV1, &val); + val &= ~(0x7 << 24); + val |= (0x4 << 24); + an8855_reg_write(priv, AN8855_RG_QP_CDR_PR_CKREF_DIV1, val); + + an8855_reg_read(priv, AN8855_PLL_CTRL_0, &val); + val |= BIT(0); + an8855_reg_write(priv, AN8855_PLL_CTRL_0, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_26, &val); + val &= ~BIT(23); + val |= BIT(26); + an8855_reg_write(priv, AN8855_RX_CTRL_26, val); + + an8855_reg_read(priv, AN8855_RX_DLY_0, &val); + val &= ~(0xff << 0); + val |= (0x6f << 0); + val |= GENMASK(13, 8); + an8855_reg_write(priv, AN8855_RX_DLY_0, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_42, &val); + val &= ~(0x1fff << 0); + val |= (0x150 << 0); + an8855_reg_write(priv, AN8855_RX_CTRL_42, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_2, &val); + val &= ~(0x1fff << 16); + val |= (0x150 << 16); + an8855_reg_write(priv, AN8855_RX_CTRL_2, val); + + an8855_reg_read(priv, AN8855_PON_RXFEDIG_CTRL_9, &val); + val &= ~(0x7 << 0); + val |= (0x1 << 0); + an8855_reg_write(priv, AN8855_PON_RXFEDIG_CTRL_9, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_8, &val); + val &= ~(0xfff << 16); + val |= (0x200 << 16); + val &= ~(0x7fff << 14); + val |= (0xfff << 14); + an8855_reg_write(priv, AN8855_RX_CTRL_8, val); + + /* Frequency memter */ + an8855_reg_read(priv, AN8855_RX_CTRL_5, &val); + val &= ~(0xfffff << 10); + val |= (0x10 << 10); + an8855_reg_write(priv, AN8855_RX_CTRL_5, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_6, &val); + val &= ~(0xfffff << 0); + val |= (0x64 << 0); + an8855_reg_write(priv, AN8855_RX_CTRL_6, val); + + an8855_reg_read(priv, AN8855_RX_CTRL_7, &val); + val &= ~(0xfffff << 0); + val |= (0x2710 << 0); + an8855_reg_write(priv, AN8855_RX_CTRL_7, val); + + /* PCS Init */ + an8855_reg_read(priv, AN8855_RG_HSGMII_PCS_CTROL_1, &val); + val &= ~BIT(30); + an8855_reg_write(priv, AN8855_RG_HSGMII_PCS_CTROL_1, val); + + /* Rate Adaption */ + an8855_reg_read(priv, AN8855_RATE_ADP_P0_CTRL_0, &val); + val &= ~BIT(31); + an8855_reg_write(priv, AN8855_RATE_ADP_P0_CTRL_0, val); + + an8855_reg_read(priv, AN8855_RG_RATE_ADAPT_CTRL_0, &val); + val |= BIT(0); + val |= BIT(4); + val |= GENMASK(27, 26); + an8855_reg_write(priv, AN8855_RG_RATE_ADAPT_CTRL_0, val); + + /* Disable AN */ + an8855_reg_read(priv, AN8855_SGMII_REG_AN0, &val); + val &= ~BIT(12); + an8855_reg_write(priv, AN8855_SGMII_REG_AN0, val); + + /* Force Speed */ + an8855_reg_read(priv, AN8855_SGMII_STS_CTRL_0, &val); + val |= BIT(2); + val |= GENMASK(5, 4); + an8855_reg_write(priv, AN8855_SGMII_STS_CTRL_0, val); + + /* bypass flow control to MAC */ + an8855_reg_write(priv, AN8855_MSG_RX_LIK_STS_0, 0x01010107); + an8855_reg_write(priv, AN8855_MSG_RX_LIK_STS_2, 0x00000EEF); + + return 0; +} + +static void an8855_led_set_usr_def(struct an8855_switch_priv *priv, u8 entity, + enum an8855_led_polarity pol, u16 on_evt, + u16 blk_evt, u8 led_freq) +{ + u32 cl45_data; + + if (pol == LED_HIGH) + on_evt |= LED_ON_POL; + else + on_evt &= ~LED_ON_POL; + + /* LED on event */ + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_ON_CTRL(entity % 4), + on_evt | LED_ON_EN); + + /* LED blink event */ + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_BLK_CTRL(entity % 4), + blk_evt); + + /* LED freq */ + switch (led_freq) { + case AIR_LED_BLK_DUR_32M: + cl45_data = 0x30e; + break; + + case AIR_LED_BLK_DUR_64M: + cl45_data = 0x61a; + break; + + case AIR_LED_BLK_DUR_128M: + cl45_data = 0xc35; + break; + + case AIR_LED_BLK_DUR_256M: + cl45_data = 0x186a; + break; + + case AIR_LED_BLK_DUR_512M: + cl45_data = 0x30d4; + break; + + case AIR_LED_BLK_DUR_1024M: + cl45_data = 0x61a8; + break; + + default: + cl45_data = 0; + break; + } + + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_BLK_DUR(entity % 4), + cl45_data); + + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_ON_DUR(entity % 4), + (cl45_data >> 1)); + + /* Disable DATA & BAD_SSD for port LED blink behavior */ + cl45_data = mtk_mmd_ind_read(priv->epriv.eth, (entity / 4), 0x1e, PHY_PMA_CTRL); + cl45_data &= ~BIT(0); + cl45_data &= ~BIT(15); + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, PHY_PMA_CTRL, cl45_data); +} + +static int an8855_led_set_mode(struct an8855_switch_priv *priv, u8 mode) +{ + u16 cl45_data; + + an8855_phy_cl45_read(priv, 0, 0x1f, PHY_LED_BCR, &cl45_data); + + switch (mode) { + case AN8855_LED_MODE_DISABLE: + cl45_data &= ~LED_BCR_EXT_CTRL; + cl45_data &= ~LED_BCR_MODE_MASK; + cl45_data |= LED_BCR_MODE_DISABLE; + break; + + case AN8855_LED_MODE_USER_DEFINE: + cl45_data |= LED_BCR_EXT_CTRL; + cl45_data |= LED_BCR_CLK_EN; + break; + + default: + printf("an8855: LED mode%d is not supported!\n", mode); + return -EINVAL; + } + + an8855_phy_cl45_write(priv, 0, 0x1f, PHY_LED_BCR, cl45_data); + + return 0; +} + +static int an8855_led_set_state(struct an8855_switch_priv *priv, u8 entity, + u8 state) +{ + u16 cl45_data = 0; + + /* Change to per port contorl */ + an8855_phy_cl45_read(priv, (entity / 4), 0x1e, PHY_LED_CTRL_SELECT, + &cl45_data); + + if (state == 1) + cl45_data |= (1 << (entity % 4)); + else + cl45_data &= ~(1 << (entity % 4)); + + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, PHY_LED_CTRL_SELECT, + cl45_data); + + /* LED enable setting */ + an8855_phy_cl45_read(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_ON_CTRL(entity % 4), &cl45_data); + + if (state == 1) + cl45_data |= LED_ON_EN; + else + cl45_data &= ~LED_ON_EN; + + an8855_phy_cl45_write(priv, (entity / 4), 0x1e, + PHY_SINGLE_LED_ON_CTRL(entity % 4), cl45_data); + + return 0; +} + +static int an8855_led_init(struct an8855_switch_priv *priv) +{ + u32 val, id, tmp_id = 0; + int ret; + + ret = an8855_led_set_mode(priv, AN8855_LED_MODE_USER_DEFINE); + if (ret) { + printf("an8855: led_set_mode failed with %d!\n", ret); + return ret; + } + + for (id = 0; id < ARRAY_SIZE(led_cfg); id++) { + ret = an8855_led_set_state(priv, led_cfg[id].phy_led_idx, + led_cfg[id].en); + if (ret != 0) { + printf("an8855: led_set_state failed with %d!\n", ret); + return ret; + } + + if (led_cfg[id].en == 1) { + an8855_led_set_usr_def(priv, + led_cfg[id].phy_led_idx, + led_cfg[id].pol, + led_cfg[id].on_cfg, + led_cfg[id].blk_cfg, + led_cfg[id].led_freq); + } + } + + /* Setting for System LED & Loop LED */ + an8855_reg_write(priv, AN8855_RG_GPIO_OE, 0x0); + an8855_reg_write(priv, AN8855_RG_GPIO_CTRL, 0x0); + an8855_reg_write(priv, AN8855_RG_GPIO_L_INV, 0); + + an8855_reg_write(priv, AN8855_RG_GPIO_CTRL, 0x1001); + an8855_reg_read(priv, AN8855_RG_GPIO_DATA, &val); + val |= GENMASK(3, 1); + val &= ~(BIT(0)); + val &= ~(BIT(6)); + an8855_reg_write(priv, AN8855_RG_GPIO_DATA, val); + + an8855_reg_read(priv, AN8855_RG_GPIO_OE, &val); + val |= 0x41; + an8855_reg_write(priv, AN8855_RG_GPIO_OE, val); + + /* Mapping between GPIO & LED */ + val = 0; + for (id = 0; id < ARRAY_SIZE(led_cfg); id++) { + /* Skip GPIO6, due to GPIO6 does not support PORT LED */ + if (id == 6) + continue; + + if (led_cfg[id].en == 1) { + if (id < 7) + val |= led_cfg[id].phy_led_idx << ((id % 4) * 8); + else + val |= led_cfg[id].phy_led_idx << (((id - 1) % 4) * 8); + } + + if (id < 7) + tmp_id = id; + else + tmp_id = id - 1; + + if ((tmp_id % 4) == 0x3) { + an8855_reg_write(priv, + AN8855_RG_GPIO_LED_SEL(tmp_id / 4), + val); + val = 0; + } + } + + /* Turn on LAN LED mode */ + val = 0; + for (id = 0; id < ARRAY_SIZE(led_cfg); id++) { + if (led_cfg[id].en == 1) + val |= 0x1 << id; + } + an8855_reg_write(priv, AN8855_RG_GPIO_LED_MODE, val); + + /* Force clear blink pulse for per port LED */ + an8855_phy_cl45_write(priv, 0, 0x1f, PHY_LED_BLINK_DUR_CTRL, 0x1f); + udelay(1000); + an8855_phy_cl45_write(priv, 0, 0x1f, PHY_LED_BLINK_DUR_CTRL, 0); + + return 0; +} + +static void an8855_port_isolation(struct an8855_switch_priv *priv) +{ + u32 i; + + for (i = 0; i < AN8855_NUM_PORTS; i++) { + /* Set port matrix mode */ + if (i != 5) + an8855_reg_write(priv, AN8855_PORTMATRIX_REG(i), 0x20); + else + an8855_reg_write(priv, AN8855_PORTMATRIX_REG(i), 0x1f); + + /* Set port mode to user port */ + an8855_reg_write(priv, AN8855_PVC(i), + (0x8100 << AN8855_STAG_VPID_S) | + (VLAN_ATTR_USER << AN8855_VLAN_ATTR_S)); + } +} + +static void an8855_mac_control(struct mtk_eth_switch_priv *swpriv, bool enable) +{ + struct an8855_switch_priv *priv = (struct an8855_switch_priv *)swpriv; + u32 pmcr = AN8855_FORCE_MODE_LNK; + + if (enable) + pmcr = AN8855_FORCE_MODE; + + an8855_reg_write(priv, AN8855_PMCR_REG(5), pmcr); +} + +static int an8855_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct an8855_switch_priv *priv = bus->priv; + + if (devad < 0) + return mtk_mii_read(priv->epriv.eth, addr, reg); + + return mtk_mmd_ind_read(priv->epriv.eth, addr, devad, reg); +} + +static int an8855_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, + u16 val) +{ + struct an8855_switch_priv *priv = bus->priv; + + if (devad < 0) + return mtk_mii_write(priv->epriv.eth, addr, reg, val); + + return mtk_mmd_ind_write(priv->epriv.eth, addr, devad, reg, val); +} + +static int an8855_mdio_register(struct an8855_switch_priv *priv) +{ + struct mii_dev *mdio_bus = mdio_alloc(); + int ret; + + if (!mdio_bus) + return -ENOMEM; + + mdio_bus->read = an8855_mdio_read; + mdio_bus->write = an8855_mdio_write; + snprintf(mdio_bus->name, sizeof(mdio_bus->name), priv->epriv.sw->name); + + mdio_bus->priv = priv; + + ret = mdio_register(mdio_bus); + if (ret) { + mdio_free(mdio_bus); + return ret; + } + + priv->mdio_bus = mdio_bus; + + return 0; +} + +static int an8855_setup(struct mtk_eth_switch_priv *swpriv) +{ + struct an8855_switch_priv *priv = (struct an8855_switch_priv *)swpriv; + u16 phy_addr, phy_val; + u32 i, id, val = 0; + int ret; + + priv->phy_base = 1; + + /* Turn off PHYs */ + for (i = 0; i < AN8855_NUM_PHYS; i++) { + phy_addr = AN8855_PHY_ADDR(priv->phy_base, i); + phy_val = mtk_mii_read(priv->epriv.eth, phy_addr, MII_BMCR); + phy_val |= BMCR_PDOWN; + mtk_mii_write(priv->epriv.eth, phy_addr, MII_BMCR, phy_val); + } + + /* Force MAC link down before reset */ + an8855_reg_write(priv, AN8855_PMCR_REG(5), AN8855_FORCE_MODE_LNK); + + /* Switch soft reset */ + an8855_reg_write(priv, AN8855_SYS_CTRL_REG, AN8855_SW_SYS_RST); + udelay(100000); + + an8855_reg_read(priv, AN8855_PKG_SEL, &val); + if ((val & 0x7) == PAG_SEL_AN8855H) { + /* Release power down */ + an8855_reg_write(priv, RG_GPHY_AFE_PWD, 0x0); + + /* Invert for LED activity change */ + an8855_reg_read(priv, AN8855_RG_GPIO_L_INV, &val); + for (id = 0; id < ARRAY_SIZE(led_cfg); id++) { + if ((led_cfg[id].pol == LED_HIGH) && + (led_cfg[id].en == 1)) + val |= 0x1 << id; + } + an8855_reg_write(priv, AN8855_RG_GPIO_L_INV, (val | 0x1)); + + /* MCU NOP CMD */ + an8855_reg_write(priv, AN8855_RG_GDMP_RAM, 0x846); + an8855_reg_write(priv, AN8855_RG_GDMP_RAM + 4, 0x4a); + + /* Enable MCU */ + an8855_reg_read(priv, AN8855_RG_CLK_CPU_ICG, &val); + an8855_reg_write(priv, AN8855_RG_CLK_CPU_ICG, + val | AN8855_MCU_ENABLE); + udelay(1000); + + /* Disable MCU watchdog */ + an8855_reg_read(priv, AN8855_RG_TIMER_CTL, &val); + an8855_reg_write(priv, AN8855_RG_TIMER_CTL, + (val & (~AN8855_WDOG_ENABLE))); + + /* LED settings for T830 reference board */ + ret = an8855_led_init(priv); + if (ret < 0) { + printf("an8855: an8855_led_init failed with %d\n", ret); + return ret; + } + } + + switch (priv->epriv.phy_interface) { + case PHY_INTERFACE_MODE_2500BASEX: + an8855_port_sgmii_init(priv, 5); + break; + + default: + break; + } + + an8855_reg_read(priv, AN8855_CKGCR, &val); + val &= ~(0x3); + an8855_reg_write(priv, AN8855_CKGCR, val); + + /* Enable port isolation to block inter-port communication */ + an8855_port_isolation(priv); + + /* Turn on PHYs */ + for (i = 0; i < AN8855_NUM_PHYS; i++) { + phy_addr = AN8855_PHY_ADDR(priv->phy_base, i); + phy_val = mtk_mii_read(priv->epriv.eth, phy_addr, MII_BMCR); + phy_val &= ~BMCR_PDOWN; + mtk_mii_write(priv->epriv.eth, phy_addr, MII_BMCR, phy_val); + } + + return an8855_mdio_register(priv); +} + +static int an8855_cleanup(struct mtk_eth_switch_priv *swpriv) +{ + struct an8855_switch_priv *priv = (struct an8855_switch_priv *)swpriv; + + mdio_unregister(priv->mdio_bus); + + return 0; +} + +static int an8855_detect(struct mtk_eth_priv *priv) +{ + int ret; + u32 val; + + ret = __an8855_reg_read(priv, 1, 0x10005000, &val); + if (ret) + return ret; + + if (val == 0x8855) + return 0; + + return -ENODEV; +} + +MTK_ETH_SWITCH(an8855) = { + .name = "an8855", + .desc = "Airoha AN8855", + .priv_size = sizeof(struct an8855_switch_priv), + .reset_wait_time = 100, + + .detect = an8855_detect, + .setup = an8855_setup, + .cleanup = an8855_cleanup, + .mac_control = an8855_mac_control, +};
On Fri, 10 Jan 2025 16:41:05 +0800, Weijie Gao wrote:
This patch series will split the switch initialization code from mtk_eth driver into their own files and then add new SoC and switch support.
Weijie Gao (3): net: mediatek: split ethernet switch code from mtk_eth.c net: mediatek: add support for MediaTek MT7987 SoC net: mediatek: add support for Airoha AN8855 ethernet switch
[...]
Applied to u-boot/master, thanks!
participants (2)
-
Tom Rini -
Weijie Gao