504 lines
14 KiB
C
504 lines
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
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*/
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#ifndef __MT7530_H
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#define __MT7530_H
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#define MT7530_NUM_PORTS 7
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#define MT7530_CPU_PORT 6
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#define MT7530_NUM_FDB_RECORDS 2048
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#define MT7530_ALL_MEMBERS 0xff
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enum {
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ID_MT7530 = 0,
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ID_MT7621 = 1,
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};
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#define NUM_TRGMII_CTRL 5
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#define TRGMII_BASE(x) (0x10000 + (x))
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/* Registers to ethsys access */
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#define ETHSYS_CLKCFG0 0x2c
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#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
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#define SYSC_REG_RSTCTRL 0x34
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#define RESET_MCM BIT(2)
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/* Registers to mac forward control for unknown frames */
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#define MT7530_MFC 0x10
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#define BC_FFP(x) (((x) & 0xff) << 24)
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#define UNM_FFP(x) (((x) & 0xff) << 16)
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#define UNU_FFP(x) (((x) & 0xff) << 8)
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#define UNU_FFP_MASK UNU_FFP(~0)
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#define CPU_EN BIT(7)
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#define CPU_PORT(x) ((x) << 4)
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#define CPU_MASK (0xf << 4)
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/* Registers for address table access */
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#define MT7530_ATA1 0x74
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#define STATIC_EMP 0
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#define STATIC_ENT 3
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#define MT7530_ATA2 0x78
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/* Register for address table write data */
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#define MT7530_ATWD 0x7c
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/* Register for address table control */
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#define MT7530_ATC 0x80
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#define ATC_HASH (((x) & 0xfff) << 16)
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#define ATC_BUSY BIT(15)
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#define ATC_SRCH_END BIT(14)
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#define ATC_SRCH_HIT BIT(13)
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#define ATC_INVALID BIT(12)
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#define ATC_MAT(x) (((x) & 0xf) << 8)
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#define ATC_MAT_MACTAB ATC_MAT(0)
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enum mt7530_fdb_cmd {
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MT7530_FDB_READ = 0,
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MT7530_FDB_WRITE = 1,
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MT7530_FDB_FLUSH = 2,
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MT7530_FDB_START = 4,
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MT7530_FDB_NEXT = 5,
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};
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/* Registers for table search read address */
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#define MT7530_TSRA1 0x84
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#define MAC_BYTE_0 24
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#define MAC_BYTE_1 16
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#define MAC_BYTE_2 8
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#define MAC_BYTE_3 0
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#define MAC_BYTE_MASK 0xff
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#define MT7530_TSRA2 0x88
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#define MAC_BYTE_4 24
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#define MAC_BYTE_5 16
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#define CVID 0
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#define CVID_MASK 0xfff
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#define MT7530_ATRD 0x8C
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#define AGE_TIMER 24
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#define AGE_TIMER_MASK 0xff
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#define PORT_MAP 4
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#define PORT_MAP_MASK 0xff
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#define ENT_STATUS 2
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#define ENT_STATUS_MASK 0x3
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/* Register for vlan table control */
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#define MT7530_VTCR 0x90
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#define VTCR_BUSY BIT(31)
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#define VTCR_INVALID BIT(16)
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#define VTCR_FUNC(x) (((x) & 0xf) << 12)
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#define VTCR_VID ((x) & 0xfff)
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enum mt7530_vlan_cmd {
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/* Read/Write the specified VID entry from VAWD register based
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* on VID.
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*/
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MT7530_VTCR_RD_VID = 0,
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MT7530_VTCR_WR_VID = 1,
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};
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/* Register for setup vlan and acl write data */
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#define MT7530_VAWD1 0x94
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#define PORT_STAG BIT(31)
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/* Independent VLAN Learning */
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#define IVL_MAC BIT(30)
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/* Per VLAN Egress Tag Control */
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#define VTAG_EN BIT(28)
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/* VLAN Member Control */
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#define PORT_MEM(x) (((x) & 0xff) << 16)
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/* VLAN Entry Valid */
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#define VLAN_VALID BIT(0)
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#define PORT_MEM_SHFT 16
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#define PORT_MEM_MASK 0xff
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#define MT7530_VAWD2 0x98
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/* Egress Tag Control */
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#define ETAG_CTRL_P(p, x) (((x) & 0x3) << ((p) << 1))
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#define ETAG_CTRL_P_MASK(p) ETAG_CTRL_P(p, 3)
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enum mt7530_vlan_egress_attr {
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MT7530_VLAN_EGRESS_UNTAG = 0,
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MT7530_VLAN_EGRESS_TAG = 2,
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MT7530_VLAN_EGRESS_STACK = 3,
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};
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/* Register for port STP state control */
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#define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100))
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#define FID_PST(x) ((x) & 0x3)
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#define FID_PST_MASK FID_PST(0x3)
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enum mt7530_stp_state {
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MT7530_STP_DISABLED = 0,
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MT7530_STP_BLOCKING = 1,
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MT7530_STP_LISTENING = 1,
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MT7530_STP_LEARNING = 2,
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MT7530_STP_FORWARDING = 3
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};
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/* Register for port control */
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#define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100))
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#define PORT_VLAN(x) ((x) & 0x3)
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enum mt7530_port_mode {
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/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
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MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
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/* Security Mode: Discard any frame due to ingress membership
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* violation or VID missed on the VLAN table.
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*/
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MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
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};
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#define PCR_MATRIX(x) (((x) & 0xff) << 16)
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#define PORT_PRI(x) (((x) & 0x7) << 24)
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#define EG_TAG(x) (((x) & 0x3) << 28)
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#define PCR_MATRIX_MASK PCR_MATRIX(0xff)
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#define PCR_MATRIX_CLR PCR_MATRIX(0)
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#define PCR_PORT_VLAN_MASK PORT_VLAN(3)
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/* Register for port security control */
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#define MT7530_PSC_P(x) (0x200c + ((x) * 0x100))
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#define SA_DIS BIT(4)
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/* Register for port vlan control */
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#define MT7530_PVC_P(x) (0x2010 + ((x) * 0x100))
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#define PORT_SPEC_TAG BIT(5)
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#define VLAN_ATTR(x) (((x) & 0x3) << 6)
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#define VLAN_ATTR_MASK VLAN_ATTR(3)
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enum mt7530_vlan_port_attr {
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MT7530_VLAN_USER = 0,
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MT7530_VLAN_TRANSPARENT = 3,
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};
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#define STAG_VPID (((x) & 0xffff) << 16)
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/* Register for port port-and-protocol based vlan 1 control */
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#define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100))
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#define G0_PORT_VID(x) (((x) & 0xfff) << 0)
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#define G0_PORT_VID_MASK G0_PORT_VID(0xfff)
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#define G0_PORT_VID_DEF G0_PORT_VID(1)
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/* Register for port MAC control register */
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#define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100))
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#define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18)
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#define PMCR_EXT_PHY BIT(17)
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#define PMCR_MAC_MODE BIT(16)
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#define PMCR_FORCE_MODE BIT(15)
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#define PMCR_TX_EN BIT(14)
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#define PMCR_RX_EN BIT(13)
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#define PMCR_BACKOFF_EN BIT(9)
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#define PMCR_BACKPR_EN BIT(8)
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#define PMCR_TX_FC_EN BIT(5)
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#define PMCR_RX_FC_EN BIT(4)
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#define PMCR_FORCE_SPEED_1000 BIT(3)
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#define PMCR_FORCE_SPEED_100 BIT(2)
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#define PMCR_FORCE_FDX BIT(1)
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#define PMCR_FORCE_LNK BIT(0)
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#define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
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PMCR_FORCE_SPEED_1000)
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#define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
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#define PMSR_EEE1G BIT(7)
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#define PMSR_EEE100M BIT(6)
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#define PMSR_RX_FC BIT(5)
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#define PMSR_TX_FC BIT(4)
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#define PMSR_SPEED_1000 BIT(3)
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#define PMSR_SPEED_100 BIT(2)
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#define PMSR_SPEED_10 0x00
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#define PMSR_SPEED_MASK (PMSR_SPEED_100 | PMSR_SPEED_1000)
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#define PMSR_DPX BIT(1)
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#define PMSR_LINK BIT(0)
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/* Register for MIB */
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#define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100)
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#define MT7530_MIB_CCR 0x4fe0
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#define CCR_MIB_ENABLE BIT(31)
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#define CCR_RX_OCT_CNT_GOOD BIT(7)
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#define CCR_RX_OCT_CNT_BAD BIT(6)
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#define CCR_TX_OCT_CNT_GOOD BIT(5)
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#define CCR_TX_OCT_CNT_BAD BIT(4)
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#define CCR_MIB_FLUSH (CCR_RX_OCT_CNT_GOOD | \
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CCR_RX_OCT_CNT_BAD | \
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CCR_TX_OCT_CNT_GOOD | \
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CCR_TX_OCT_CNT_BAD)
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#define CCR_MIB_ACTIVATE (CCR_MIB_ENABLE | \
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CCR_RX_OCT_CNT_GOOD | \
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CCR_RX_OCT_CNT_BAD | \
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CCR_TX_OCT_CNT_GOOD | \
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CCR_TX_OCT_CNT_BAD)
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/* Register for system reset */
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#define MT7530_SYS_CTRL 0x7000
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#define SYS_CTRL_PHY_RST BIT(2)
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#define SYS_CTRL_SW_RST BIT(1)
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#define SYS_CTRL_REG_RST BIT(0)
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/* Register for hw trap status */
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#define MT7530_HWTRAP 0x7800
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#define HWTRAP_XTAL_MASK (BIT(10) | BIT(9))
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#define HWTRAP_XTAL_25MHZ (BIT(10) | BIT(9))
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#define HWTRAP_XTAL_40MHZ (BIT(10))
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#define HWTRAP_XTAL_20MHZ (BIT(9))
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/* Register for hw trap modification */
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#define MT7530_MHWTRAP 0x7804
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#define MHWTRAP_PHY0_SEL BIT(20)
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#define MHWTRAP_MANUAL BIT(16)
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#define MHWTRAP_P5_MAC_SEL BIT(13)
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#define MHWTRAP_P6_DIS BIT(8)
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#define MHWTRAP_P5_RGMII_MODE BIT(7)
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#define MHWTRAP_P5_DIS BIT(6)
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#define MHWTRAP_PHY_ACCESS BIT(5)
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/* Register for TOP signal control */
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#define MT7530_TOP_SIG_CTRL 0x7808
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#define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16))
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#define MT7530_IO_DRV_CR 0x7810
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#define P5_IO_CLK_DRV(x) ((x) & 0x3)
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#define P5_IO_DATA_DRV(x) (((x) & 0x3) << 4)
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#define MT7530_P6ECR 0x7830
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#define P6_INTF_MODE_MASK 0x3
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#define P6_INTF_MODE(x) ((x) & 0x3)
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/* Registers for TRGMII on the both side */
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#define MT7530_TRGMII_RCK_CTRL 0x7a00
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#define GSW_TRGMII_RCK_CTRL 0x300
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#define RX_RST BIT(31)
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#define RXC_DQSISEL BIT(30)
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#define DQSI1_TAP_MASK (0x7f << 8)
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#define DQSI0_TAP_MASK 0x7f
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#define DQSI1_TAP(x) (((x) & 0x7f) << 8)
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#define DQSI0_TAP(x) ((x) & 0x7f)
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#define MT7530_TRGMII_RCK_RTT 0x7a04
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#define GSW_TRGMII_RCK_RTT 0x304
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#define DQS1_GATE BIT(31)
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#define DQS0_GATE BIT(30)
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#define MT7530_TRGMII_RD(x) (0x7a10 + (x) * 8)
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#define GSW_TRGMII_RD(x) (0x310 + (x) * 8)
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#define BSLIP_EN BIT(31)
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#define EDGE_CHK BIT(30)
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#define RD_TAP_MASK 0x7f
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#define RD_TAP(x) ((x) & 0x7f)
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#define GSW_TRGMII_TXCTRL 0x340
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#define MT7530_TRGMII_TXCTRL 0x7a40
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#define TRAIN_TXEN BIT(31)
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#define TXC_INV BIT(30)
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#define TX_RST BIT(28)
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#define MT7530_TRGMII_TD_ODT(i) (0x7a54 + 8 * (i))
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#define GSW_TRGMII_TD_ODT(i) (0x354 + 8 * (i))
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#define TD_DM_DRVP(x) ((x) & 0xf)
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#define TD_DM_DRVN(x) (((x) & 0xf) << 4)
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#define GSW_INTF_MODE 0x390
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#define INTF_MODE_TRGMII BIT(1)
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#define MT7530_TRGMII_TCK_CTRL 0x7a78
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#define TCK_TAP(x) (((x) & 0xf) << 8)
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#define MT7530_P5RGMIIRXCR 0x7b00
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#define CSR_RGMII_EDGE_ALIGN BIT(8)
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#define CSR_RGMII_RXC_0DEG_CFG(x) ((x) & 0xf)
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#define MT7530_P5RGMIITXCR 0x7b04
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#define CSR_RGMII_TXC_CFG(x) ((x) & 0x1f)
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#define MT7530_CREV 0x7ffc
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#define CHIP_NAME_SHIFT 16
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#define MT7530_ID 0x7530
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/* Registers for core PLL access through mmd indirect */
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#define CORE_PLL_GROUP2 0x401
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#define RG_SYSPLL_EN_NORMAL BIT(15)
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#define RG_SYSPLL_VODEN BIT(14)
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#define RG_SYSPLL_LF BIT(13)
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#define RG_SYSPLL_RST_DLY(x) (((x) & 0x3) << 12)
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#define RG_SYSPLL_LVROD_EN BIT(10)
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#define RG_SYSPLL_PREDIV(x) (((x) & 0x3) << 8)
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#define RG_SYSPLL_POSDIV(x) (((x) & 0x3) << 5)
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#define RG_SYSPLL_FBKSEL BIT(4)
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#define RT_SYSPLL_EN_AFE_OLT BIT(0)
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#define CORE_PLL_GROUP4 0x403
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#define RG_SYSPLL_DDSFBK_EN BIT(12)
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#define RG_SYSPLL_BIAS_EN BIT(11)
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#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
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#define CORE_PLL_GROUP5 0x404
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#define RG_LCDDS_PCW_NCPO1(x) ((x) & 0xffff)
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#define CORE_PLL_GROUP6 0x405
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#define RG_LCDDS_PCW_NCPO0(x) ((x) & 0xffff)
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#define CORE_PLL_GROUP7 0x406
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#define RG_LCDDS_PWDB BIT(15)
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#define RG_LCDDS_ISO_EN BIT(13)
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#define RG_LCCDS_C(x) (((x) & 0x7) << 4)
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#define RG_LCDDS_PCW_NCPO_CHG BIT(3)
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#define CORE_PLL_GROUP10 0x409
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#define RG_LCDDS_SSC_DELTA(x) ((x) & 0xfff)
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#define CORE_PLL_GROUP11 0x40a
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#define RG_LCDDS_SSC_DELTA1(x) ((x) & 0xfff)
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#define CORE_GSWPLL_GRP1 0x40d
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#define RG_GSWPLL_PREDIV(x) (((x) & 0x3) << 14)
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#define RG_GSWPLL_POSDIV_200M(x) (((x) & 0x3) << 12)
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#define RG_GSWPLL_EN_PRE BIT(11)
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#define RG_GSWPLL_FBKSEL BIT(10)
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#define RG_GSWPLL_BP BIT(9)
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#define RG_GSWPLL_BR BIT(8)
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#define RG_GSWPLL_FBKDIV_200M(x) ((x) & 0xff)
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#define CORE_GSWPLL_GRP2 0x40e
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#define RG_GSWPLL_POSDIV_500M(x) (((x) & 0x3) << 8)
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#define RG_GSWPLL_FBKDIV_500M(x) ((x) & 0xff)
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#define CORE_TRGMII_GSW_CLK_CG 0x410
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#define REG_GSWCK_EN BIT(0)
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#define REG_TRGMIICK_EN BIT(1)
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#define MIB_DESC(_s, _o, _n) \
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{ \
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.size = (_s), \
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.offset = (_o), \
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.name = (_n), \
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}
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struct mt7530_mib_desc {
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unsigned int size;
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unsigned int offset;
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const char *name;
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};
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struct mt7530_fdb {
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u16 vid;
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u8 port_mask;
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u8 aging;
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u8 mac[6];
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bool noarp;
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};
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/* struct mt7530_port - This is the main data structure for holding the state
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* of the port.
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* @enable: The status used for show port is enabled or not.
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* @pm: The matrix used to show all connections with the port.
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* @pvid: The VLAN specified is to be considered a PVID at ingress. Any
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* untagged frames will be assigned to the related VLAN.
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* @vlan_filtering: The flags indicating whether the port that can recognize
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* VLAN-tagged frames.
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*/
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struct mt7530_port {
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bool enable;
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u32 pm;
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u16 pvid;
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};
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/* Port 5 interface select definitions */
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enum p5_interface_select {
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P5_DISABLED = 0,
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P5_INTF_SEL_PHY_P0,
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P5_INTF_SEL_PHY_P4,
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P5_INTF_SEL_GMAC5,
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};
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static const char *p5_intf_modes(unsigned int p5_interface)
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{
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switch (p5_interface) {
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case P5_DISABLED:
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return "DISABLED";
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case P5_INTF_SEL_PHY_P0:
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return "PHY P0";
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case P5_INTF_SEL_PHY_P4:
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return "PHY P4";
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case P5_INTF_SEL_GMAC5:
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return "GMAC5";
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default:
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return "unknown";
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}
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}
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/* struct mt7530_priv - This is the main data structure for holding the state
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* of the driver
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* @dev: The device pointer
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* @ds: The pointer to the dsa core structure
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* @bus: The bus used for the device and built-in PHY
|
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* @rstc: The pointer to reset control used by MCM
|
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* @ethernet: The regmap used for access TRGMII-based registers
|
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* @core_pwr: The power supplied into the core
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|
* @io_pwr: The power supplied into the I/O
|
|
* @reset: The descriptor for GPIO line tied to its reset pin
|
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* @mcm: Flag for distinguishing if standalone IC or module
|
|
* coupling
|
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* @ports: Holding the state among ports
|
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* @reg_mutex: The lock for protecting among process accessing
|
|
* registers
|
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* @p6_interface Holding the current port 6 interface
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* @p5_intf_sel: Holding the current port 5 interface select
|
|
*/
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struct mt7530_priv {
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struct device *dev;
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struct dsa_switch *ds;
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struct mii_bus *bus;
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struct reset_control *rstc;
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|
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 */
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