diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_defines.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_defines.h | 389 | 
1 files changed, 389 insertions, 0 deletions
| diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h new file mode 100644 index 000000000000..8740754ea1fd --- /dev/null +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -0,0 +1,389 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c)  2018 Intel Corporation */ + +#ifndef _IGC_DEFINES_H_ +#define _IGC_DEFINES_H_ + +#define IGC_CTRL_EXT_DRV_LOAD	0x10000000 /* Drv loaded bit for FW */ + +/* PCI Bus Info */ +#define PCIE_DEVICE_CONTROL2		0x28 +#define PCIE_DEVICE_CONTROL2_16ms	0x0005 + +/* Physical Func Reset Done Indication */ +#define IGC_CTRL_EXT_LINK_MODE_MASK	0x00C00000 + +/* Loop limit on how long we wait for auto-negotiation to complete */ +#define COPPER_LINK_UP_LIMIT		10 +#define PHY_AUTO_NEG_LIMIT		45 +#define PHY_FORCE_LIMIT			20 + +/* Number of 100 microseconds we wait for PCI Express master disable */ +#define MASTER_DISABLE_TIMEOUT		800 +/*Blocks new Master requests */ +#define IGC_CTRL_GIO_MASTER_DISABLE	0x00000004 +/* Status of Master requests. */ +#define IGC_STATUS_GIO_MASTER_ENABLE	0x00080000 + +/* PCI Express Control */ +#define IGC_GCR_CMPL_TMOUT_MASK		0x0000F000 +#define IGC_GCR_CMPL_TMOUT_10ms		0x00001000 +#define IGC_GCR_CMPL_TMOUT_RESEND	0x00010000 +#define IGC_GCR_CAP_VER2		0x00040000 + +/* Receive Address + * Number of high/low register pairs in the RAR. The RAR (Receive Address + * Registers) holds the directed and multicast addresses that we monitor. + * Technically, we have 16 spots.  However, we reserve one of these spots + * (RAR[15]) for our directed address used by controllers with + * manageability enabled, allowing us room for 15 multicast addresses. + */ +#define IGC_RAH_AV		0x80000000 /* Receive descriptor valid */ +#define IGC_RAH_POOL_1		0x00040000 +#define IGC_RAL_MAC_ADDR_LEN	4 +#define IGC_RAH_MAC_ADDR_LEN	2 + +/* Error Codes */ +#define IGC_SUCCESS			0 +#define IGC_ERR_NVM			1 +#define IGC_ERR_PHY			2 +#define IGC_ERR_CONFIG			3 +#define IGC_ERR_PARAM			4 +#define IGC_ERR_MAC_INIT		5 +#define IGC_ERR_RESET			9 +#define IGC_ERR_MASTER_REQUESTS_PENDING	10 +#define IGC_ERR_BLK_PHY_RESET		12 +#define IGC_ERR_SWFW_SYNC		13 + +/* Device Control */ +#define IGC_CTRL_RST		0x04000000  /* Global reset */ + +#define IGC_CTRL_PHY_RST	0x80000000  /* PHY Reset */ +#define IGC_CTRL_SLU		0x00000040  /* Set link up (Force Link) */ +#define IGC_CTRL_FRCSPD		0x00000800  /* Force Speed */ +#define IGC_CTRL_FRCDPX		0x00001000  /* Force Duplex */ + +#define IGC_CTRL_RFCE		0x08000000  /* Receive Flow Control enable */ +#define IGC_CTRL_TFCE		0x10000000  /* Transmit flow control enable */ + +#define IGC_CONNSW_AUTOSENSE_EN	0x1 + +/* PBA constants */ +#define IGC_PBA_34K		0x0022 + +/* SW Semaphore Register */ +#define IGC_SWSM_SMBI		0x00000001 /* Driver Semaphore bit */ +#define IGC_SWSM_SWESMBI	0x00000002 /* FW Semaphore bit */ + +/* SWFW_SYNC Definitions */ +#define IGC_SWFW_EEP_SM		0x1 +#define IGC_SWFW_PHY0_SM	0x2 + +/* Autoneg Advertisement Register */ +#define NWAY_AR_10T_HD_CAPS	0x0020   /* 10T   Half Duplex Capable */ +#define NWAY_AR_10T_FD_CAPS	0x0040   /* 10T   Full Duplex Capable */ +#define NWAY_AR_100TX_HD_CAPS	0x0080   /* 100TX Half Duplex Capable */ +#define NWAY_AR_100TX_FD_CAPS	0x0100   /* 100TX Full Duplex Capable */ +#define NWAY_AR_PAUSE		0x0400   /* Pause operation desired */ +#define NWAY_AR_ASM_DIR		0x0800   /* Asymmetric Pause Direction bit */ + +/* Link Partner Ability Register (Base Page) */ +#define NWAY_LPAR_PAUSE		0x0400 /* LP Pause operation desired */ +#define NWAY_LPAR_ASM_DIR	0x0800 /* LP Asymmetric Pause Direction bit */ + +/* 1000BASE-T Control Register */ +#define CR_1000T_ASYM_PAUSE	0x0080 /* Advertise asymmetric pause bit */ +#define CR_1000T_HD_CAPS	0x0100 /* Advertise 1000T HD capability */ +#define CR_1000T_FD_CAPS	0x0200 /* Advertise 1000T FD capability  */ + +/* 1000BASE-T Status Register */ +#define SR_1000T_REMOTE_RX_STATUS	0x1000 /* Remote receiver OK */ +#define SR_1000T_LOCAL_RX_STATUS	0x2000 /* Local receiver OK */ + +/* PHY GPY 211 registers */ +#define STANDARD_AN_REG_MASK	0x0007 /* MMD */ +#define ANEG_MULTIGBT_AN_CTRL	0x0020 /* MULTI GBT AN Control Register */ +#define MMD_DEVADDR_SHIFT	16     /* Shift MMD to higher bits */ +#define CR_2500T_FD_CAPS	0x0080 /* Advertise 2500T FD capability */ + +/* NVM Control */ +/* Number of milliseconds for NVM auto read done after MAC reset. */ +#define AUTO_READ_DONE_TIMEOUT		10 +#define IGC_EECD_AUTO_RD		0x00000200  /* NVM Auto Read done */ +#define IGC_EECD_REQ		0x00000040 /* NVM Access Request */ +#define IGC_EECD_GNT		0x00000080 /* NVM Access Grant */ +/* NVM Addressing bits based on type 0=small, 1=large */ +#define IGC_EECD_ADDR_BITS		0x00000400 +#define IGC_NVM_GRANT_ATTEMPTS		1000 /* NVM # attempts to gain grant */ +#define IGC_EECD_SIZE_EX_MASK		0x00007800  /* NVM Size */ +#define IGC_EECD_SIZE_EX_SHIFT		11 +#define IGC_EECD_FLUPD_I225		0x00800000 /* Update FLASH */ +#define IGC_EECD_FLUDONE_I225		0x04000000 /* Update FLASH done*/ +#define IGC_EECD_FLASH_DETECTED_I225	0x00080000 /* FLASH detected */ +#define IGC_FLUDONE_ATTEMPTS		20000 +#define IGC_EERD_EEWR_MAX_COUNT		512 /* buffered EEPROM words rw */ + +/* Offset to data in NVM read/write registers */ +#define IGC_NVM_RW_REG_DATA	16 +#define IGC_NVM_RW_REG_DONE	2    /* Offset to READ/WRITE done bit */ +#define IGC_NVM_RW_REG_START	1    /* Start operation */ +#define IGC_NVM_RW_ADDR_SHIFT	2    /* Shift to the address bits */ +#define IGC_NVM_POLL_READ	0    /* Flag for polling for read complete */ + +/* NVM Word Offsets */ +#define NVM_CHECKSUM_REG		0x003F + +/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */ +#define NVM_SUM				0xBABA + +#define NVM_PBA_OFFSET_0		8 +#define NVM_PBA_OFFSET_1		9 +#define NVM_RESERVED_WORD		0xFFFF +#define NVM_PBA_PTR_GUARD		0xFAFA +#define NVM_WORD_SIZE_BASE_SHIFT	6 + +/* Collision related configuration parameters */ +#define IGC_COLLISION_THRESHOLD		15 +#define IGC_CT_SHIFT			4 +#define IGC_COLLISION_DISTANCE		63 +#define IGC_COLD_SHIFT			12 + +/* Device Status */ +#define IGC_STATUS_FD		0x00000001      /* Full duplex.0=half,1=full */ +#define IGC_STATUS_LU		0x00000002      /* Link up.0=no,1=link */ +#define IGC_STATUS_FUNC_MASK	0x0000000C      /* PCI Function Mask */ +#define IGC_STATUS_FUNC_SHIFT	2 +#define IGC_STATUS_FUNC_1	0x00000004      /* Function 1 */ +#define IGC_STATUS_TXOFF	0x00000010      /* transmission paused */ +#define IGC_STATUS_SPEED_100	0x00000040      /* Speed 100Mb/s */ +#define IGC_STATUS_SPEED_1000	0x00000080      /* Speed 1000Mb/s */ +#define IGC_STATUS_SPEED_2500	0x00400000	/* Speed 2.5Gb/s */ + +#define SPEED_10		10 +#define SPEED_100		100 +#define SPEED_1000		1000 +#define SPEED_2500		2500 +#define HALF_DUPLEX		1 +#define FULL_DUPLEX		2 + +/* 1Gbps and 2.5Gbps half duplex is not supported, nor spec-compliant. */ +#define ADVERTISE_10_HALF		0x0001 +#define ADVERTISE_10_FULL		0x0002 +#define ADVERTISE_100_HALF		0x0004 +#define ADVERTISE_100_FULL		0x0008 +#define ADVERTISE_1000_HALF		0x0010 /* Not used, just FYI */ +#define ADVERTISE_1000_FULL		0x0020 +#define ADVERTISE_2500_HALF		0x0040 /* Not used, just FYI */ +#define ADVERTISE_2500_FULL		0x0080 + +#define IGC_ALL_SPEED_DUPLEX_2500 ( \ +	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \ +	ADVERTISE_100_FULL | ADVERTISE_1000_FULL | ADVERTISE_2500_FULL) + +#define AUTONEG_ADVERTISE_SPEED_DEFAULT_2500	IGC_ALL_SPEED_DUPLEX_2500 + +/* Interrupt Cause Read */ +#define IGC_ICR_TXDW		BIT(0)	/* Transmit desc written back */ +#define IGC_ICR_TXQE		BIT(1)	/* Transmit Queue empty */ +#define IGC_ICR_LSC		BIT(2)	/* Link Status Change */ +#define IGC_ICR_RXSEQ		BIT(3)	/* Rx sequence error */ +#define IGC_ICR_RXDMT0		BIT(4)	/* Rx desc min. threshold (0) */ +#define IGC_ICR_RXO		BIT(6)	/* Rx overrun */ +#define IGC_ICR_RXT0		BIT(7)	/* Rx timer intr (ring 0) */ +#define IGC_ICR_DRSTA		BIT(30)	/* Device Reset Asserted */ + +/* If this bit asserted, the driver should claim the interrupt */ +#define IGC_ICR_INT_ASSERTED	BIT(31) + +#define IGC_ICS_RXT0		IGC_ICR_RXT0 /* Rx timer intr */ + +#define IMS_ENABLE_MASK ( \ +	IGC_IMS_RXT0   |    \ +	IGC_IMS_TXDW   |    \ +	IGC_IMS_RXDMT0 |    \ +	IGC_IMS_RXSEQ  |    \ +	IGC_IMS_LSC) + +/* Interrupt Mask Set */ +#define IGC_IMS_TXDW		IGC_ICR_TXDW	/* Tx desc written back */ +#define IGC_IMS_RXSEQ		IGC_ICR_RXSEQ	/* Rx sequence error */ +#define IGC_IMS_LSC		IGC_ICR_LSC	/* Link Status Change */ +#define IGC_IMS_DOUTSYNC	IGC_ICR_DOUTSYNC /* NIC DMA out of sync */ +#define IGC_IMS_DRSTA		IGC_ICR_DRSTA	/* Device Reset Asserted */ +#define IGC_IMS_RXT0		IGC_ICR_RXT0	/* Rx timer intr */ +#define IGC_IMS_RXDMT0		IGC_ICR_RXDMT0	/* Rx desc min. threshold */ + +#define IGC_QVECTOR_MASK	0x7FFC		/* Q-vector mask */ +#define IGC_ITR_VAL_MASK	0x04		/* ITR value mask */ + +/* Interrupt Cause Set */ +#define IGC_ICS_LSC		IGC_ICR_LSC       /* Link Status Change */ +#define IGC_ICS_RXDMT0		IGC_ICR_RXDMT0    /* rx desc min. threshold */ +#define IGC_ICS_DRSTA		IGC_ICR_DRSTA     /* Device Reset Aserted */ + +#define IGC_ICR_DOUTSYNC	0x10000000 /* NIC DMA out of sync */ +#define IGC_EITR_CNT_IGNR	0x80000000 /* Don't reset counters on write */ +#define IGC_IVAR_VALID		0x80 +#define IGC_GPIE_NSICR		0x00000001 +#define IGC_GPIE_MSIX_MODE	0x00000010 +#define IGC_GPIE_EIAME		0x40000000 +#define IGC_GPIE_PBA		0x80000000 + +/* Transmit Descriptor bit definitions */ +#define IGC_TXD_DTYP_D		0x00100000 /* Data Descriptor */ +#define IGC_TXD_DTYP_C		0x00000000 /* Context Descriptor */ +#define IGC_TXD_POPTS_IXSM	0x01       /* Insert IP checksum */ +#define IGC_TXD_POPTS_TXSM	0x02       /* Insert TCP/UDP checksum */ +#define IGC_TXD_CMD_EOP		0x01000000 /* End of Packet */ +#define IGC_TXD_CMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */ +#define IGC_TXD_CMD_IC		0x04000000 /* Insert Checksum */ +#define IGC_TXD_CMD_RS		0x08000000 /* Report Status */ +#define IGC_TXD_CMD_RPS		0x10000000 /* Report Packet Sent */ +#define IGC_TXD_CMD_DEXT	0x20000000 /* Desc extension (0 = legacy) */ +#define IGC_TXD_CMD_VLE		0x40000000 /* Add VLAN tag */ +#define IGC_TXD_CMD_IDE		0x80000000 /* Enable Tidv register */ +#define IGC_TXD_STAT_DD		0x00000001 /* Descriptor Done */ +#define IGC_TXD_STAT_EC		0x00000002 /* Excess Collisions */ +#define IGC_TXD_STAT_LC		0x00000004 /* Late Collisions */ +#define IGC_TXD_STAT_TU		0x00000008 /* Transmit underrun */ +#define IGC_TXD_CMD_TCP		0x01000000 /* TCP packet */ +#define IGC_TXD_CMD_IP		0x02000000 /* IP packet */ +#define IGC_TXD_CMD_TSE		0x04000000 /* TCP Seg enable */ +#define IGC_TXD_STAT_TC		0x00000004 /* Tx Underrun */ +#define IGC_TXD_EXTCMD_TSTAMP	0x00000010 /* IEEE1588 Timestamp packet */ + +/* Transmit Control */ +#define IGC_TCTL_EN		0x00000002 /* enable Tx */ +#define IGC_TCTL_PSP		0x00000008 /* pad short packets */ +#define IGC_TCTL_CT		0x00000ff0 /* collision threshold */ +#define IGC_TCTL_COLD		0x003ff000 /* collision distance */ +#define IGC_TCTL_RTLC		0x01000000 /* Re-transmit on late collision */ +#define IGC_TCTL_MULR		0x10000000 /* Multiple request support */ + +#define IGC_CT_SHIFT			4 +#define IGC_COLLISION_THRESHOLD		15 + +/* Flow Control Constants */ +#define FLOW_CONTROL_ADDRESS_LOW	0x00C28001 +#define FLOW_CONTROL_ADDRESS_HIGH	0x00000100 +#define FLOW_CONTROL_TYPE		0x8808 +/* Enable XON frame transmission */ +#define IGC_FCRTL_XONE			0x80000000 + +/* Management Control */ +#define IGC_MANC_RCV_TCO_EN	0x00020000 /* Receive TCO Packets Enabled */ +#define IGC_MANC_BLK_PHY_RST_ON_IDE	0x00040000 /* Block phy resets */ + +/* Receive Control */ +#define IGC_RCTL_RST		0x00000001 /* Software reset */ +#define IGC_RCTL_EN		0x00000002 /* enable */ +#define IGC_RCTL_SBP		0x00000004 /* store bad packet */ +#define IGC_RCTL_UPE		0x00000008 /* unicast promisc enable */ +#define IGC_RCTL_MPE		0x00000010 /* multicast promisc enable */ +#define IGC_RCTL_LPE		0x00000020 /* long packet enable */ +#define IGC_RCTL_LBM_MAC	0x00000040 /* MAC loopback mode */ +#define IGC_RCTL_LBM_TCVR	0x000000C0 /* tcvr loopback mode */ + +#define IGC_RCTL_RDMTS_HALF	0x00000000 /* Rx desc min thresh size */ +#define IGC_RCTL_BAM		0x00008000 /* broadcast enable */ + +/* Receive Descriptor bit definitions */ +#define IGC_RXD_STAT_EOP	0x02    /* End of Packet */ + +#define IGC_RXDEXT_STATERR_CE		0x01000000 +#define IGC_RXDEXT_STATERR_SE		0x02000000 +#define IGC_RXDEXT_STATERR_SEQ		0x04000000 +#define IGC_RXDEXT_STATERR_CXE		0x10000000 +#define IGC_RXDEXT_STATERR_TCPE		0x20000000 +#define IGC_RXDEXT_STATERR_IPE		0x40000000 +#define IGC_RXDEXT_STATERR_RXE		0x80000000 + +/* Same mask, but for extended and packet split descriptors */ +#define IGC_RXDEXT_ERR_FRAME_ERR_MASK ( \ +	IGC_RXDEXT_STATERR_CE  |	\ +	IGC_RXDEXT_STATERR_SE  |	\ +	IGC_RXDEXT_STATERR_SEQ |	\ +	IGC_RXDEXT_STATERR_CXE |	\ +	IGC_RXDEXT_STATERR_RXE) + +/* Header split receive */ +#define IGC_RFCTL_IPV6_EX_DIS	0x00010000 +#define IGC_RFCTL_LEF		0x00040000 + +#define IGC_RCTL_SZ_256		0x00030000 /* Rx buffer size 256 */ + +#define IGC_RCTL_MO_SHIFT	12 /* multicast offset shift */ +#define IGC_RCTL_CFIEN		0x00080000 /* canonical form enable */ +#define IGC_RCTL_DPF		0x00400000 /* discard pause frames */ +#define IGC_RCTL_PMCF		0x00800000 /* pass MAC control frames */ +#define IGC_RCTL_SECRC		0x04000000 /* Strip Ethernet CRC */ + +#define I225_RXPBSIZE_DEFAULT	0x000000A2 /* RXPBSIZE default */ +#define I225_TXPBSIZE_DEFAULT	0x04000014 /* TXPBSIZE default */ + +/* GPY211 - I225 defines */ +#define GPY_MMD_MASK		0xFFFF0000 +#define GPY_MMD_SHIFT		16 +#define GPY_REG_MASK		0x0000FFFF + +#define IGC_MMDAC_FUNC_DATA	0x4000 /* Data, no post increment */ + +/* MAC definitions */ +#define IGC_FACTPS_MNGCG	0x20000000 +#define IGC_FWSM_MODE_MASK	0xE +#define IGC_FWSM_MODE_SHIFT	1 + +/* Management Control */ +#define IGC_MANC_SMBUS_EN	0x00000001 /* SMBus Enabled - RO */ +#define IGC_MANC_ASF_EN		0x00000002 /* ASF Enabled - RO */ + +/* PHY */ +#define PHY_REVISION_MASK	0xFFFFFFF0 +#define MAX_PHY_REG_ADDRESS	0x1F  /* 5 bit address bus (0-0x1F) */ +#define IGC_GEN_POLL_TIMEOUT	1920 + +/* PHY Control Register */ +#define MII_CR_FULL_DUPLEX	0x0100  /* FDX =1, half duplex =0 */ +#define MII_CR_RESTART_AUTO_NEG	0x0200  /* Restart auto negotiation */ +#define MII_CR_POWER_DOWN	0x0800  /* Power down */ +#define MII_CR_AUTO_NEG_EN	0x1000  /* Auto Neg Enable */ +#define MII_CR_LOOPBACK		0x4000  /* 0 = normal, 1 = loopback */ +#define MII_CR_RESET		0x8000  /* 0 = normal, 1 = PHY reset */ +#define MII_CR_SPEED_1000	0x0040 +#define MII_CR_SPEED_100	0x2000 +#define MII_CR_SPEED_10		0x0000 + +/* PHY Status Register */ +#define MII_SR_LINK_STATUS	0x0004 /* Link Status 1 = link */ +#define MII_SR_AUTONEG_COMPLETE	0x0020 /* Auto Neg Complete */ + +/* PHY 1000 MII Register/Bit Definitions */ +/* PHY Registers defined by IEEE */ +#define PHY_CONTROL		0x00 /* Control Register */ +#define PHY_STATUS		0x01 /* Status Register */ +#define PHY_ID1			0x02 /* Phy Id Reg (word 1) */ +#define PHY_ID2			0x03 /* Phy Id Reg (word 2) */ +#define PHY_AUTONEG_ADV		0x04 /* Autoneg Advertisement */ +#define PHY_LP_ABILITY		0x05 /* Link Partner Ability (Base Page) */ +#define PHY_1000T_CTRL		0x09 /* 1000Base-T Control Reg */ +#define PHY_1000T_STATUS	0x0A /* 1000Base-T Status Reg */ + +/* Bit definitions for valid PHY IDs. I = Integrated E = External */ +#define I225_I_PHY_ID		0x67C9DC00 + +/* MDI Control */ +#define IGC_MDIC_DATA_MASK	0x0000FFFF +#define IGC_MDIC_REG_MASK	0x001F0000 +#define IGC_MDIC_REG_SHIFT	16 +#define IGC_MDIC_PHY_MASK	0x03E00000 +#define IGC_MDIC_PHY_SHIFT	21 +#define IGC_MDIC_OP_WRITE	0x04000000 +#define IGC_MDIC_OP_READ	0x08000000 +#define IGC_MDIC_READY		0x10000000 +#define IGC_MDIC_INT_EN		0x20000000 +#define IGC_MDIC_ERROR		0x40000000 +#define IGC_MDIC_DEST		0x80000000 + +#define IGC_N0_QUEUE -1 + +#endif /* _IGC_DEFINES_H_ */ |