/* This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * Copyright (C) 2009-2016 John Crispin * Copyright (C) 2009-2016 Felix Fietkau * Copyright (C) 2013-2016 Michael Lee */ #ifndef _RALINK_GSW_MT7620_H__ #define _RALINK_GSW_MT7620_H__ #define GSW_REG_PHY_TIMEOUT (5 * HZ) #define MT7620_GSW_REG_PIAC 0x0004 #define GSW_NUM_VLANS 16 #define GSW_NUM_VIDS 4096 #define GSW_NUM_PORTS 7 #define GSW_PORT6 6 #define GSW_MDIO_ACCESS BIT(31) #define GSW_MDIO_READ BIT(19) #define GSW_MDIO_WRITE BIT(18) #define GSW_MDIO_START BIT(16) #define GSW_MDIO_ADDR_SHIFT 20 #define GSW_MDIO_REG_SHIFT 25 #define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100)) #define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100)) #define GSW_REG_SMACCR0 0x3fE4 #define GSW_REG_SMACCR1 0x3fE8 #define GSW_REG_CKGCR 0x3ff0 #define GSW_REG_IMR 0x7008 #define GSW_REG_ISR 0x700c #define GSW_REG_GPC1 0x7014 #define SYSC_REG_CHIP_REV_ID 0x0c #define SYSC_REG_CFG 0x10 #define SYSC_REG_CFG1 0x14 #define RST_CTRL_MCM BIT(2) #define SYSC_PAD_RGMII2_MDIO 0x58 #define SYSC_GPIO_MODE 0x60 #define PORT_IRQ_ST_CHG 0x7f #define MT7621_ESW_PHY_POLLING 0x0000 #define MT7620_ESW_PHY_POLLING 0x7000 #define PMCR_IPG BIT(18) #define PMCR_MAC_MODE BIT(16) #define PMCR_FORCE BIT(15) #define PMCR_TX_EN BIT(14) #define PMCR_RX_EN BIT(13) #define PMCR_BACKOFF BIT(9) #define PMCR_BACKPRES BIT(8) #define PMCR_RX_FC BIT(5) #define PMCR_TX_FC BIT(4) #define PMCR_SPEED(_x) (_x << 2) #define PMCR_DUPLEX BIT(1) #define PMCR_LINK BIT(0) #define PHY_AN_EN BIT(31) #define PHY_PRE_EN BIT(30) #define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24) /* ethernet subsystem config register */ #define ETHSYS_SYSCFG0 0x14 /* ethernet subsystem clock register */ #define ETHSYS_CLKCFG0 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) /* p5 RGMII wrapper TX clock control register */ #define MT7530_P5RGMIITXCR 0x7b04 /* p5 RGMII wrapper RX clock control register */ #define MT7530_P5RGMIIRXCR 0x7b00 /* TRGMII TDX ODT registers */ #define MT7530_TRGMII_TD0_ODT 0x7a54 #define MT7530_TRGMII_TD1_ODT 0x7a5c #define MT7530_TRGMII_TD2_ODT 0x7a64 #define MT7530_TRGMII_TD3_ODT 0x7a6c #define MT7530_TRGMII_TD4_ODT 0x7a74 #define MT7530_TRGMII_TD5_ODT 0x7a7c /* TRGMII TCK ctrl register */ #define MT7530_TRGMII_TCK_CTRL 0x7a78 /* TRGMII Tx ctrl register */ #define MT7530_TRGMII_TXCTRL 0x7a40 /* port 6 extended control register */ #define MT7530_P6ECR 0x7830 /* IO driver control register */ #define MT7530_IO_DRV_CR 0x7810 /* top signal control register */ #define MT7530_TOP_SIG_CTRL 0x7808 /* modified hwtrap register */ #define MT7530_MHWTRAP 0x7804 /* hwtrap status register */ #define MT7530_HWTRAP 0x7800 /* status interrupt register */ #define MT7530_SYS_INT_STS 0x700c /* system nterrupt register */ #define MT7530_SYS_INT_EN 0x7008 /* system control register */ #define MT7530_SYS_CTRL 0x7000 /* port MAC status register */ #define MT7530_PMSR_P(x) (0x3008 + (x * 0x100)) /* port MAC control register */ #define MT7530_PMCR_P(x) (0x3000 + (x * 0x100)) #define MT7621_XTAL_SHIFT 6 #define MT7621_XTAL_MASK 0x7 #define MT7621_XTAL_25 6 #define MT7621_XTAL_40 3 #define MT7621_MDIO_DRV_MASK (3 << 4) #define MT7621_GE1_MODE_MASK (3 << 12) #define TRGMII_TXCTRL_TXC_INV BIT(30) #define P6ECR_INTF_MODE_RGMII BIT(1) #define P5RGMIIRXCR_C_ALIGN BIT(8) #define P5RGMIIRXCR_DELAY_2 BIT(1) #define P5RGMIITXCR_DELAY_2 (BIT(8) | BIT(2)) /* TOP_SIG_CTRL bits */ #define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16)) /* MHWTRAP bits */ #define MHWTRAP_MANUAL BIT(16) #define MHWTRAP_P5_MAC_SEL BIT(13) #define MHWTRAP_P6_DIS BIT(8) #define MHWTRAP_P5_RGMII_MODE BIT(7) #define MHWTRAP_P5_DIS BIT(6) #define MHWTRAP_PHY_ACCESS BIT(5) /* HWTRAP bits */ #define HWTRAP_XTAL_SHIFT 9 #define HWTRAP_XTAL_MASK 0x3 /* SYS_CTRL bits */ #define SYS_CTRL_SW_RST BIT(1) #define SYS_CTRL_REG_RST BIT(0) /* PMCR bits */ #define PMCR_IFG_XMIT_96 BIT(18) #define PMCR_MAC_MODE BIT(16) #define PMCR_FORCE_MODE BIT(15) #define PMCR_TX_EN BIT(14) #define PMCR_RX_EN BIT(13) #define PMCR_BACK_PRES_EN BIT(9) #define PMCR_BACKOFF_EN BIT(8) #define PMCR_TX_FC_EN BIT(5) #define PMCR_RX_FC_EN BIT(4) #define PMCR_FORCE_SPEED_1000 BIT(3) #define PMCR_FORCE_FDX BIT(1) #define PMCR_FORCE_LNK BIT(0) #define PMCR_FIXED_LINK (PMCR_IFG_XMIT_96 | PMCR_MAC_MODE | \ PMCR_FORCE_MODE | PMCR_TX_EN | PMCR_RX_EN | \ PMCR_BACK_PRES_EN | PMCR_BACKOFF_EN | \ PMCR_FORCE_SPEED_1000 | PMCR_FORCE_FDX | \ PMCR_FORCE_LNK) #define PMCR_FIXED_LINK_FC (PMCR_FIXED_LINK | \ PMCR_TX_FC_EN | PMCR_RX_FC_EN) /* TRGMII control registers */ #define GSW_INTF_MODE 0x390 #define GSW_TRGMII_TD0_ODT 0x354 #define GSW_TRGMII_TD1_ODT 0x35c #define GSW_TRGMII_TD2_ODT 0x364 #define GSW_TRGMII_TD3_ODT 0x36c #define GSW_TRGMII_TXCTL_ODT 0x374 #define GSW_TRGMII_TCK_ODT 0x37c #define GSW_TRGMII_RCK_CTRL 0x300 #define INTF_MODE_TRGMII BIT(1) #define TRGMII_RCK_CTRL_RX_RST BIT(31) /* Mac control registers */ #define MTK_MAC_P2_MCR 0x200 #define MTK_MAC_P1_MCR 0x100 #define MAC_MCR_MAX_RX_2K BIT(29) #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) #define MAC_MCR_FORCE_MODE BIT(15) #define MAC_MCR_TX_EN BIT(14) #define MAC_MCR_RX_EN BIT(13) #define MAC_MCR_BACKOFF_EN BIT(9) #define MAC_MCR_BACKPR_EN BIT(8) #define MAC_MCR_FORCE_RX_FC BIT(5) #define MAC_MCR_FORCE_TX_FC BIT(4) #define MAC_MCR_SPEED_1000 BIT(3) #define MAC_MCR_FORCE_DPX BIT(1) #define MAC_MCR_FORCE_LINK BIT(0) #define MAC_MCR_FIXED_LINK (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | \ MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | \ MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_RX_FC | \ MAC_MCR_FORCE_TX_FC | MAC_MCR_SPEED_1000 | \ MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_LINK) #define MAC_MCR_FIXED_LINK_FC (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ MAC_MCR_FIXED_LINK) /* possible XTAL speed */ #define MT7623_XTAL_40 0 #define MT7623_XTAL_20 1 #define MT7623_XTAL_25 3 /* GPIO port control registers */ #define GPIO_OD33_CTRL8 0x4c0 #define GPIO_BIAS_CTRL 0xed0 #define GPIO_DRV_SEL10 0xf00 /* on MT7620 the functio of port 4 can be software configured */ enum { PORT4_EPHY = 0, PORT4_EXT, }; /* struct mt7620_gsw - the structure that holds the SoC specific data * @dev: The Device struct * @base: The base address * @piac_offset: The PIAC base may change depending on SoC * @irq: The IRQ we are using * @port4: The port4 mode on MT7620 * @autopoll: Is MDIO autopolling enabled * @ethsys: The ethsys register map * @pctl: The pin control register map * @clk_gsw: The switch clock * @clk_gp1: The gmac1 clock * @clk_gp2: The gmac2 clock * @clk_trgpll: The trgmii pll clock */ struct mt7620_gsw { struct device *dev; void __iomem *base; u32 piac_offset; int irq; int port4; unsigned long int autopoll; struct regmap *ethsys; struct regmap *pctl; struct clk *clk_gsw; struct clk *clk_gp1; struct clk *clk_gp2; struct clk *clk_trgpll; }; /* switch register I/O wrappers */ void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned int reg); u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned int reg); /* the callback used by the driver core to bringup the switch */ int mtk_gsw_init(struct mtk_eth *eth); /* MDIO access wrappers */ int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port); int mt7620_has_carrier(struct mtk_eth *eth); void mt7620_print_link_state(struct mtk_eth *eth, int port, int link, int speed, int duplex); void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val); u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg); void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg); u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register, u32 write_data); u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg); void mt7620_handle_carrier(struct mtk_eth *eth); #endif