/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2017 Sean Wang */ #ifndef __MT7530_H #define __MT7530_H #define MT7530_NUM_PORTS 7 #define MT7530_CPU_PORT 6 #define MT7530_NUM_FDB_RECORDS 2048 #define MT7530_ALL_MEMBERS 0xff enum { ID_MT7530 = 0, ID_MT7621 = 1, }; #define NUM_TRGMII_CTRL 5 #define TRGMII_BASE(x) (0x10000 + (x)) /* Registers to ethsys access */ #define ETHSYS_CLKCFG0 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) #define SYSC_REG_RSTCTRL 0x34 #define RESET_MCM BIT(2) /* Registers to mac forward control for unknown frames */ #define MT7530_MFC 0x10 #define BC_FFP(x) (((x) & 0xff) << 24) #define UNM_FFP(x) (((x) & 0xff) << 16) #define UNU_FFP(x) (((x) & 0xff) << 8) #define UNU_FFP_MASK UNU_FFP(~0) #define CPU_EN BIT(7) #define CPU_PORT(x) ((x) << 4) #define CPU_MASK (0xf << 4) /* Registers for address table access */ #define MT7530_ATA1 0x74 #define STATIC_EMP 0 #define STATIC_ENT 3 #define MT7530_ATA2 0x78 /* Register for address table write data */ #define MT7530_ATWD 0x7c /* Register for address table control */ #define MT7530_ATC 0x80 #define ATC_HASH (((x) & 0xfff) << 16) #define ATC_BUSY BIT(15) #define ATC_SRCH_END BIT(14) #define ATC_SRCH_HIT BIT(13) #define ATC_INVALID BIT(12) #define ATC_MAT(x) (((x) & 0xf) << 8) #define ATC_MAT_MACTAB ATC_MAT(0) enum mt7530_fdb_cmd { MT7530_FDB_READ = 0, MT7530_FDB_WRITE = 1, MT7530_FDB_FLUSH = 2, MT7530_FDB_START = 4, MT7530_FDB_NEXT = 5, }; /* Registers for table search read address */ #define MT7530_TSRA1 0x84 #define MAC_BYTE_0 24 #define MAC_BYTE_1 16 #define MAC_BYTE_2 8 #define MAC_BYTE_3 0 #define MAC_BYTE_MASK 0xff #define MT7530_TSRA2 0x88 #define MAC_BYTE_4 24 #define MAC_BYTE_5 16 #define CVID 0 #define CVID_MASK 0xfff #define MT7530_ATRD 0x8C #define AGE_TIMER 24 #define AGE_TIMER_MASK 0xff #define PORT_MAP 4 #define PORT_MAP_MASK 0xff #define ENT_STATUS 2 #define ENT_STATUS_MASK 0x3 /* Register for vlan table control */ #define MT7530_VTCR 0x90 #define VTCR_BUSY BIT(31) #define VTCR_INVALID BIT(16) #define VTCR_FUNC(x) (((x) & 0xf) << 12) #define VTCR_VID ((x) & 0xfff) enum mt7530_vlan_cmd { /* Read/Write the specified VID entry from VAWD register based * on VID. */ MT7530_VTCR_RD_VID = 0, MT7530_VTCR_WR_VID = 1, }; /* Register for setup vlan and acl write data */ #define MT7530_VAWD1 0x94 #define PORT_STAG BIT(31) /* Independent VLAN Learning */ #define IVL_MAC BIT(30) /* Per VLAN Egress Tag Control */ #define VTAG_EN BIT(28) /* VLAN Member Control */ #define PORT_MEM(x) (((x) & 0xff) << 16) /* VLAN Entry Valid */ #define VLAN_VALID BIT(0) #define PORT_MEM_SHFT 16 #define PORT_MEM_MASK 0xff #define MT7530_VAWD2 0x98 /* Egress Tag Control */ #define ETAG_CTRL_P(p, x) (((x) & 0x3) << ((p) << 1)) #define ETAG_CTRL_P_MASK(p) ETAG_CTRL_P(p, 3) enum mt7530_vlan_egress_attr { MT7530_VLAN_EGRESS_UNTAG = 0, MT7530_VLAN_EGRESS_TAG = 2, MT7530_VLAN_EGRESS_STACK = 3, }; /* Register for port STP state control */ #define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100)) #define FID_PST(x) ((x) & 0x3) #define FID_PST_MASK FID_PST(0x3) enum mt7530_stp_state { MT7530_STP_DISABLED = 0, MT7530_STP_BLOCKING = 1, MT7530_STP_LISTENING = 1, MT7530_STP_LEARNING = 2, MT7530_STP_FORWARDING = 3 }; /* Register for port control */ #define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100)) #define PORT_VLAN(x) ((x) & 0x3) enum mt7530_port_mode { /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */ MT7530_PORT_MATRIX_MODE = PORT_VLAN(0), /* Security Mode: Discard any frame due to ingress membership * violation or VID missed on the VLAN table. */ MT7530_PORT_SECURITY_MODE = PORT_VLAN(3), }; #define PCR_MATRIX(x) (((x) & 0xff) << 16) #define PORT_PRI(x) (((x) & 0x7) << 24) #define EG_TAG(x) (((x) & 0x3) << 28) #define PCR_MATRIX_MASK PCR_MATRIX(0xff) #define PCR_MATRIX_CLR PCR_MATRIX(0) #define PCR_PORT_VLAN_MASK PORT_VLAN(3) /* Register for port security control */ #define MT7530_PSC_P(x) (0x200c + ((x) * 0x100)) #define SA_DIS BIT(4) /* Register for port vlan control */ #define MT7530_PVC_P(x) (0x2010 + ((x) * 0x100)) #define PORT_SPEC_TAG BIT(5) #define VLAN_ATTR(x) (((x) & 0x3) << 6) #define VLAN_ATTR_MASK VLAN_ATTR(3) enum mt7530_vlan_port_attr { MT7530_VLAN_USER = 0, MT7530_VLAN_TRANSPARENT = 3, }; #define STAG_VPID (((x) & 0xffff) << 16) /* Register for port port-and-protocol based vlan 1 control */ #define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100)) #define G0_PORT_VID(x) (((x) & 0xfff) << 0) #define G0_PORT_VID_MASK G0_PORT_VID(0xfff) #define G0_PORT_VID_DEF G0_PORT_VID(1) /* Register for port MAC control register */ #define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100)) #define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18) #define PMCR_EXT_PHY BIT(17) #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_BACKOFF_EN BIT(9) #define PMCR_BACKPR_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_SPEED_100 BIT(2) #define PMCR_FORCE_FDX BIT(1) #define PMCR_FORCE_LNK BIT(0) #define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \ PMCR_FORCE_SPEED_1000) #define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100) #define PMSR_EEE1G BIT(7) #define PMSR_EEE100M BIT(6) #define PMSR_RX_FC BIT(5) #define PMSR_TX_FC BIT(4) #define PMSR_SPEED_1000 BIT(3) #define PMSR_SPEED_100 BIT(2) #define PMSR_SPEED_10 0x00 #define PMSR_SPEED_MASK (PMSR_SPEED_100 | PMSR_SPEED_1000) #define PMSR_DPX BIT(1) #define PMSR_LINK BIT(0) /* Register for MIB */ #define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100) #define MT7530_MIB_CCR 0x4fe0 #define CCR_MIB_ENABLE BIT(31) #define CCR_RX_OCT_CNT_GOOD BIT(7) #define CCR_RX_OCT_CNT_BAD BIT(6) #define CCR_TX_OCT_CNT_GOOD BIT(5) #define CCR_TX_OCT_CNT_BAD BIT(4) #define CCR_MIB_FLUSH (CCR_RX_OCT_CNT_GOOD | \ CCR_RX_OCT_CNT_BAD | \ CCR_TX_OCT_CNT_GOOD | \ CCR_TX_OCT_CNT_BAD) #define CCR_MIB_ACTIVATE (CCR_MIB_ENABLE | \ CCR_RX_OCT_CNT_GOOD | \ CCR_RX_OCT_CNT_BAD | \ CCR_TX_OCT_CNT_GOOD | \ CCR_TX_OCT_CNT_BAD) /* Register for system reset */ #define MT7530_SYS_CTRL 0x7000 #define SYS_CTRL_PHY_RST BIT(2) #define SYS_CTRL_SW_RST BIT(1) #define SYS_CTRL_REG_RST BIT(0) /* Register for hw trap status */ #define MT7530_HWTRAP 0x7800 #define HWTRAP_XTAL_MASK (BIT(10) | BIT(9)) #define HWTRAP_XTAL_25MHZ (BIT(10) | BIT(9)) #define HWTRAP_XTAL_40MHZ (BIT(10)) #define HWTRAP_XTAL_20MHZ (BIT(9)) /* Register for hw trap modification */ #define MT7530_MHWTRAP 0x7804 #define MHWTRAP_PHY0_SEL BIT(20) #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) /* Register for TOP signal control */ #define MT7530_TOP_SIG_CTRL 0x7808 #define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16)) #define MT7530_IO_DRV_CR 0x7810 #define P5_IO_CLK_DRV(x) ((x) & 0x3) #define P5_IO_DATA_DRV(x) (((x) & 0x3) << 4) #define MT7530_P6ECR 0x7830 #define P6_INTF_MODE_MASK 0x3 #define P6_INTF_MODE(x) ((x) & 0x3) /* Registers for TRGMII on the both side */ #define MT7530_TRGMII_RCK_CTRL 0x7a00 #define GSW_TRGMII_RCK_CTRL 0x300 #define RX_RST BIT(31) #define RXC_DQSISEL BIT(30) #define DQSI1_TAP_MASK (0x7f << 8) #define DQSI0_TAP_MASK 0x7f #define DQSI1_TAP(x) (((x) & 0x7f) << 8) #define DQSI0_TAP(x) ((x) & 0x7f) #define MT7530_TRGMII_RCK_RTT 0x7a04 #define GSW_TRGMII_RCK_RTT 0x304 #define DQS1_GATE BIT(31) #define DQS0_GATE BIT(30) #define MT7530_TRGMII_RD(x) (0x7a10 + (x) * 8) #define GSW_TRGMII_RD(x) (0x310 + (x) * 8) #define BSLIP_EN BIT(31) #define EDGE_CHK BIT(30) #define RD_TAP_MASK 0x7f #define RD_TAP(x) ((x) & 0x7f) #define GSW_TRGMII_TXCTRL 0x340 #define MT7530_TRGMII_TXCTRL 0x7a40 #define TRAIN_TXEN BIT(31) #define TXC_INV BIT(30) #define TX_RST BIT(28) #define MT7530_TRGMII_TD_ODT(i) (0x7a54 + 8 * (i)) #define GSW_TRGMII_TD_ODT(i) (0x354 + 8 * (i)) #define TD_DM_DRVP(x) ((x) & 0xf) #define TD_DM_DRVN(x) (((x) & 0xf) << 4) #define GSW_INTF_MODE 0x390 #define INTF_MODE_TRGMII BIT(1) #define MT7530_TRGMII_TCK_CTRL 0x7a78 #define TCK_TAP(x) (((x) & 0xf) << 8) #define MT7530_P5RGMIIRXCR 0x7b00 #define CSR_RGMII_EDGE_ALIGN BIT(8) #define CSR_RGMII_RXC_0DEG_CFG(x) ((x) & 0xf) #define MT7530_P5RGMIITXCR 0x7b04 #define CSR_RGMII_TXC_CFG(x) ((x) & 0x1f) #define MT7530_CREV 0x7ffc #define CHIP_NAME_SHIFT 16 #define MT7530_ID 0x7530 /* Registers for core PLL access through mmd indirect */ #define CORE_PLL_GROUP2 0x401 #define RG_SYSPLL_EN_NORMAL BIT(15) #define RG_SYSPLL_VODEN BIT(14) #define RG_SYSPLL_LF BIT(13) #define RG_SYSPLL_RST_DLY(x) (((x) & 0x3) << 12) #define RG_SYSPLL_LVROD_EN BIT(10) #define RG_SYSPLL_PREDIV(x) (((x) & 0x3) << 8) #define RG_SYSPLL_POSDIV(x) (((x) & 0x3) << 5) #define RG_SYSPLL_FBKSEL BIT(4) #define RT_SYSPLL_EN_AFE_OLT BIT(0) #define CORE_PLL_GROUP4 0x403 #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(x) ((x) & 0xffff) #define CORE_PLL_GROUP6 0x405 #define RG_LCDDS_PCW_NCPO0(x) ((x) & 0xffff) #define CORE_PLL_GROUP7 0x406 #define RG_LCDDS_PWDB BIT(15) #define RG_LCDDS_ISO_EN BIT(13) #define RG_LCCDS_C(x) (((x) & 0x7) << 4) #define RG_LCDDS_PCW_NCPO_CHG BIT(3) #define CORE_PLL_GROUP10 0x409 #define RG_LCDDS_SSC_DELTA(x) ((x) & 0xfff) #define CORE_PLL_GROUP11 0x40a #define RG_LCDDS_SSC_DELTA1(x) ((x) & 0xfff) #define CORE_GSWPLL_GRP1 0x40d #define RG_GSWPLL_PREDIV(x) (((x) & 0x3) << 14) #define RG_GSWPLL_POSDIV_200M(x) (((x) & 0x3) << 12) #define RG_GSWPLL_EN_PRE BIT(11) #define RG_GSWPLL_FBKSEL BIT(10) #define RG_GSWPLL_BP BIT(9) #define RG_GSWPLL_BR BIT(8) #define RG_GSWPLL_FBKDIV_200M(x) ((x) & 0xff) #define CORE_GSWPLL_GRP2 0x40e #define RG_GSWPLL_POSDIV_500M(x) (((x) & 0x3) << 8) #define RG_GSWPLL_FBKDIV_500M(x) ((x) & 0xff) #define CORE_TRGMII_GSW_CLK_CG 0x410 #define REG_GSWCK_EN BIT(0) #define REG_TRGMIICK_EN BIT(1) #define MIB_DESC(_s, _o, _n) \ { \ .size = (_s), \ .offset = (_o), \ .name = (_n), \ } struct mt7530_mib_desc { unsigned int size; unsigned int offset; const char *name; }; struct mt7530_fdb { u16 vid; u8 port_mask; u8 aging; u8 mac[6]; bool noarp; }; /* struct mt7530_port - This is the main data structure for holding the state * of the port. * @enable: The status used for show port is enabled or not. * @pm: The matrix used to show all connections with the port. * @pvid: The VLAN specified is to be considered a PVID at ingress. Any * untagged frames will be assigned to the related VLAN. * @vlan_filtering: The flags indicating whether the port that can recognize * VLAN-tagged frames. */ struct mt7530_port { bool enable; u32 pm; u16 pvid; }; /* Port 5 interface select definitions */ enum p5_interface_select { P5_DISABLED = 0, P5_INTF_SEL_PHY_P0, P5_INTF_SEL_PHY_P4, P5_INTF_SEL_GMAC5, }; static const char *p5_intf_modes(unsigned int p5_interface) { switch (p5_interface) { case P5_DISABLED: return "DISABLED"; case P5_INTF_SEL_PHY_P0: return "PHY P0"; case P5_INTF_SEL_PHY_P4: return "PHY P4"; case P5_INTF_SEL_GMAC5: return "GMAC5"; default: return "unknown"; } } /* struct mt7530_priv - This is the main data structure for holding the state * of the driver * @dev: The device pointer * @ds: The pointer to the dsa core structure * @bus: The bus used for the device and built-in PHY * @rstc: The pointer to reset control used by MCM * @ethernet: The regmap used for access TRGMII-based registers * @core_pwr: The power supplied into the core * @io_pwr: The power supplied into the I/O * @reset: The descriptor for GPIO line tied to its reset pin * @mcm: Flag for distinguishing if standalone IC or module * coupling * @ports: Holding the state among ports * @reg_mutex: The lock for protecting among process accessing * registers * @p6_interface Holding the current port 6 interface * @p5_intf_sel: Holding the current port 5 interface select */ struct mt7530_priv { struct device *dev; struct dsa_switch *ds; struct mii_bus *bus; struct reset_control *rstc; struct regmap *ethernet; struct regulator *core_pwr; struct regulator *io_pwr; struct gpio_desc *reset; unsigned int id; bool mcm; phy_interface_t p6_interface; phy_interface_t p5_interface; unsigned int p5_intf_sel; struct mt7530_port ports[MT7530_NUM_PORTS]; /* protect among processes for registers access*/ struct mutex reg_mutex; }; struct mt7530_hw_vlan_entry { int port; u8 old_members; bool untagged; }; static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e, int port, bool untagged) { e->port = port; e->untagged = untagged; } typedef void (*mt7530_vlan_op)(struct mt7530_priv *, struct mt7530_hw_vlan_entry *); struct mt7530_hw_stats { const char *string; u16 reg; u8 sizeof_stat; }; struct mt7530_dummy_poll { struct mt7530_priv *priv; u32 reg; }; static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p, struct mt7530_priv *priv, u32 reg) { p->priv = priv; p->reg = reg; } #endif /* __MT7530_H */