diff options
Diffstat (limited to 'drivers/net/mtk_eth/mt753x.h')
| -rw-r--r-- | drivers/net/mtk_eth/mt753x.h | 286 |
1 files changed, 286 insertions, 0 deletions
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_ */ |