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soypat
64 lines
2.3 KiB
Go
64 lines
2.3 KiB
Go
package phy
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// Registers 0..15 as defined by 802.3.
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const (
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// First two registers are BMCR and BMSR. See below.
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regPhyId1 = 0x02
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regPhyId2 = 0x03
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regAutoNegotiationAdvertisement = 0x04
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regAutoNegotiationLinkPartnerAbility = 0x05
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regAutoNegotiationExpansion = 0x05
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regModeControlStatus = 0x11
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regSpecialModes = 0x12
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regSymbolErorCounter = 0x1a
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regSpecialControlStatusIndications = 0x1b
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regIRQSourceFlag = 0x1d
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regIRQMask = 0x1e
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regPhySpecialScontrolStatus = 0x1f
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)
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// BMCR represents the Basic Mode Control Register at address 0x00.
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// Reference: IEEE 802.3 Clause 22.2.4.1
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type BMCR uint16
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const (
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BMCRAddr = 0x00
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BMCRSpeed1000 BMCR = 0x0040 // MSB of Speed (1000Mbps)
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BMCRCollision BMCR = 0x0080 // Collision test
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BMCRFullDuplex BMCR = 0x0100 // Full duplex mode
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BMCRANRestart BMCR = 0x0200 // Restart auto-negotiation
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BMCRIsolate BMCR = 0x0400 // Isolate PHY from MII
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BMCRPowerDown BMCR = 0x0800 // Power down PHY
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BMCRANEnable BMCR = 0x1000 // Enable auto-negotiation
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BMCRSpeed100 BMCR = 0x2000 // Select 100Mbps
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BMCRLoopback BMCR = 0x4000 // Enable TXD loopback
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BMCRReset BMCR = 0x8000 // Software reset (self-clearing)
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)
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// BMSR represents the Basic Mode Status Register at address 0x01.
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// Reference: IEEE 802.3 Clause 22.2.4.2
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type BMSR uint16
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const (
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BMSRAddr = 0x01
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BMSRExtCap BMSR = 0x0001 // Extended register capability
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BMSRJabber BMSR = 0x0002 // Jabber detected
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BMSRLinkStatus BMSR = 0x0004 // Link status (1=up)
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BMSRANCap BMSR = 0x0008 // Auto-negotiation capable
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BMSRRemoteFault BMSR = 0x0010 // Remote fault detected
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BMSRANComplete BMSR = 0x0020 // Auto-negotiation complete
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BMSRNoPreamble BMSR = 0x0040 // Preamble suppression capable
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BMSRExtStatus BMSR = 0x0100 // Extended status in register 15
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BMSR100Half2 BMSR = 0x0200 // 100BASE-T2 half-duplex capable
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BMSR100Full2 BMSR = 0x0400 // 100BASE-T2 full-duplex capable
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BMSR10Half BMSR = 0x0800 // 10Mbps half-duplex capable
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BMSR10Full BMSR = 0x1000 // 10Mbps full-duplex capable
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BMSR100Half BMSR = 0x2000 // 100Mbps half-duplex capable
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BMSR100Full BMSR = 0x4000 // 100Mbps full-duplex capable
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BMSR100Base4 BMSR = 0x8000 // 100BASE-T4 capable
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)
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