403 lines
11 KiB
C
403 lines
11 KiB
C
/*
|
|
* Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __MT7530_H
|
|
#define __MT7530_H
|
|
|
|
#define MT7530_NUM_PORTS 7
|
|
#define MT7530_CPU_PORT 6
|
|
#define MT7530_NUM_FDB_RECORDS 2048
|
|
|
|
#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)
|
|
|
|
/* 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_FUNC (((x) & 0xf) << 12)
|
|
#define VTCR_FUNC_RD_VID 0x1
|
|
#define VTCR_FUNC_WR_VID 0x2
|
|
#define VTCR_FUNC_INV_VID 0x3
|
|
#define VTCR_FUNC_VAL_VID 0x4
|
|
#define VTCR_VID ((x) & 0xfff)
|
|
|
|
/* Register for setup vlan and acl write data */
|
|
#define MT7530_VAWD1 0x94
|
|
#define PORT_STAG BIT(31)
|
|
#define IVL_MAC BIT(30)
|
|
#define PORT_MEM(x) (((x) & 0xff) << 16)
|
|
#define VALID BIT(1)
|
|
|
|
#define MT7530_VAWD2 0x98
|
|
|
|
/* 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)
|
|
#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)
|
|
|
|
/* 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 STAG_VPID (((x) & 0xffff) << 16)
|
|
|
|
/* Register for port port-and-protocol based vlan 1 control */
|
|
#define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100))
|
|
|
|
/* Register for port MAC control register */
|
|
#define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100))
|
|
#define PMCR_IFG_XMIT(x) (((x) & 0x3) << 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_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_FDX BIT(1)
|
|
#define PMCR_FORCE_LNK BIT(0)
|
|
#define PMCR_COMMON_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
|
|
PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
|
|
PMCR_TX_EN | PMCR_RX_EN | \
|
|
PMCR_TX_FC_EN | PMCR_RX_FC_EN)
|
|
#define PMCR_CPUP_LINK (PMCR_COMMON_LINK | PMCR_FORCE_MODE | \
|
|
PMCR_FORCE_SPEED_1000 | \
|
|
PMCR_FORCE_FDX | \
|
|
PMCR_FORCE_LNK)
|
|
#define PMCR_USERP_LINK PMCR_COMMON_LINK
|
|
#define PMCR_FIXED_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
|
|
PMCR_FORCE_MODE | PMCR_TX_EN | \
|
|
PMCR_RX_EN | PMCR_BACKPR_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)
|
|
|
|
#define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
|
|
|
|
/* 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
|
|
|
|
/* Register for hw trap modification */
|
|
#define MT7530_MHWTRAP 0x7804
|
|
#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 {
|
|
bool enable;
|
|
u32 pm;
|
|
};
|
|
|
|
/* 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
|
|
*/
|
|
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;
|
|
bool mcm;
|
|
|
|
struct mt7530_port ports[MT7530_NUM_PORTS];
|
|
/* protect among processes for registers access*/
|
|
struct mutex reg_mutex;
|
|
};
|
|
|
|
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 */
|