/* SPDX-License-Identifier: GPL-2.0 */ /* * enc28j60_hw.h: EDTP FrameThrower style enc28j60 registers * * $Id: enc28j60_hw.h,v 1.9 2007/12/14 11:59:16 claudio Exp $ */ #ifndef _ENC28J60_HW_H #define _ENC28J60_HW_H /* * ENC28J60 Control Registers * Control register definitions are a combination of address, * bank number, and Ethernet/MAC/PHY indicator bits. * - Register address (bits 0-4) * - Bank number (bits 5-6) * - MAC/MII indicator (bit 7) */ #define ADDR_MASK 0x1F #define BANK_MASK 0x60 #define SPRD_MASK 0x80 /* All-bank registers */ #define EIE 0x1B #define EIR 0x1C #define ESTAT 0x1D #define ECON2 0x1E #define ECON1 0x1F /* Bank 0 registers */ #define ERDPTL (0x00|0x00) #define ERDPTH (0x01|0x00) #define EWRPTL (0x02|0x00) #define EWRPTH (0x03|0x00) #define ETXSTL (0x04|0x00) #define ETXSTH (0x05|0x00) #define ETXNDL (0x06|0x00) #define ETXNDH (0x07|0x00) #define ERXSTL (0x08|0x00) #define ERXSTH (0x09|0x00) #define ERXNDL (0x0A|0x00) #define ERXNDH (0x0B|0x00) #define ERXRDPTL (0x0C|0x00) #define ERXRDPTH (0x0D|0x00) #define ERXWRPTL (0x0E|0x00) #define ERXWRPTH (0x0F|0x00) #define EDMASTL (0x10|0x00) #define EDMASTH (0x11|0x00) #define EDMANDL (0x12|0x00) #define EDMANDH (0x13|0x00) #define EDMADSTL (0x14|0x00) #define EDMADSTH (0x15|0x00) #define EDMACSL (0x16|0x00) #define EDMACSH (0x17|0x00) /* Bank 1 registers */ #define EHT0 (0x00|0x20) #define EHT1 (0x01|0x20) #define EHT2 (0x02|0x20) #define EHT3 (0x03|0x20) #define EHT4 (0x04|0x20) #define EHT5 (0x05|0x20) #define EHT6 (0x06|0x20) #define EHT7 (0x07|0x20) #define EPMM0 (0x08|0x20) #define EPMM1 (0x09|0x20) #define EPMM2 (0x0A|0x20) #define EPMM3 (0x0B|0x20) #define EPMM4 (0x0C|0x20) #define EPMM5 (0x0D|0x20) #define EPMM6 (0x0E|0x20) #define EPMM7 (0x0F|0x20) #define EPMCSL (0x10|0x20) #define EPMCSH (0x11|0x20) #define EPMOL (0x14|0x20) #define EPMOH (0x15|0x20) #define EWOLIE (0x16|0x20) #define EWOLIR (0x17|0x20) #define ERXFCON (0x18|0x20) #define EPKTCNT (0x19|0x20) /* Bank 2 registers */ #define MACON1 (0x00|0x40|SPRD_MASK) /* #define MACON2 (0x01|0x40|SPRD_MASK) */ #define MACON3 (0x02|0x40|SPRD_MASK) #define MACON4 (0x03|0x40|SPRD_MASK) #define MABBIPG (0x04|0x40|SPRD_MASK) #define MAIPGL (0x06|0x40|SPRD_MASK) #define MAIPGH (0x07|0x40|SPRD_MASK) #define MACLCON1 (0x08|0x40|SPRD_MASK) #define MACLCON2 (0x09|0x40|SPRD_MASK) #define MAMXFLL (0x0A|0x40|SPRD_MASK) #define MAMXFLH (0x0B|0x40|SPRD_MASK) #define MAPHSUP (0x0D|0x40|SPRD_MASK) #define MICON (0x11|0x40|SPRD_MASK) #define MICMD (0x12|0x40|SPRD_MASK) #define MIREGADR (0x14|0x40|SPRD_MASK) #define MIWRL (0x16|0x40|SPRD_MASK) #define MIWRH (0x17|0x40|SPRD_MASK) #define MIRDL (0x18|0x40|SPRD_MASK) #define MIRDH (0x19|0x40|SPRD_MASK) /* Bank 3 registers */ #define MAADR1 (0x00|0x60|SPRD_MASK) #define MAADR0 (0x01|0x60|SPRD_MASK) #define MAADR3 (0x02|0x60|SPRD_MASK) #define MAADR2 (0x03|0x60|SPRD_MASK) #define MAADR5 (0x04|0x60|SPRD_MASK) #define MAADR4 (0x05|0x60|SPRD_MASK) #define EBSTSD (0x06|0x60) #define EBSTCON (0x07|0x60) #define EBSTCSL (0x08|0x60) #define EBSTCSH (0x09|0x60) #define MISTAT (0x0A|0x60|SPRD_MASK) #define EREVID (0x12|0x60) #define ECOCON (0x15|0x60) #define EFLOCON (0x17|0x60) #define EPAUSL (0x18|0x60) #define EPAUSH (0x19|0x60) /* PHY registers */ #define PHCON1 0x00 #define PHSTAT1 0x01 #define PHHID1 0x02 #define PHHID2 0x03 #define PHCON2 0x10 #define PHSTAT2 0x11 #define PHIE 0x12 #define PHIR 0x13 #define PHLCON 0x14 /* ENC28J60 EIE Register Bit Definitions */ #define EIE_INTIE 0x80 #define EIE_PKTIE 0x40 #define EIE_DMAIE 0x20 #define EIE_LINKIE 0x10 #define EIE_TXIE 0x08 /* #define EIE_WOLIE 0x04 (reserved) */ #define EIE_TXERIE 0x02 #define EIE_RXERIE 0x01 /* ENC28J60 EIR Register Bit Definitions */ #define EIR_PKTIF 0x40 #define EIR_DMAIF 0x20 #define EIR_LINKIF 0x10 #define EIR_TXIF 0x08 /* #define EIR_WOLIF 0x04 (reserved) */ #define EIR_TXERIF 0x02 #define EIR_RXERIF 0x01 /* ENC28J60 ESTAT Register Bit Definitions */ #define ESTAT_INT 0x80 #define ESTAT_LATECOL 0x10 #define ESTAT_RXBUSY 0x04 #define ESTAT_TXABRT 0x02 #define ESTAT_CLKRDY 0x01 /* ENC28J60 ECON2 Register Bit Definitions */ #define ECON2_AUTOINC 0x80 #define ECON2_PKTDEC 0x40 #define ECON2_PWRSV 0x20 #define ECON2_VRPS 0x08 /* ENC28J60 ECON1 Register Bit Definitions */ #define ECON1_TXRST 0x80 #define ECON1_RXRST 0x40 #define ECON1_DMAST 0x20 #define ECON1_CSUMEN 0x10 #define ECON1_TXRTS 0x08 #define ECON1_RXEN 0x04 #define ECON1_BSEL1 0x02 #define ECON1_BSEL0 0x01 /* ENC28J60 MACON1 Register Bit Definitions */ #define MACON1_LOOPBK 0x10 #define MACON1_TXPAUS 0x08 #define MACON1_RXPAUS 0x04 #define MACON1_PASSALL 0x02 #define MACON1_MARXEN 0x01 /* ENC28J60 MACON2 Register Bit Definitions */ #define MACON2_MARST 0x80 #define MACON2_RNDRST 0x40 #define MACON2_MARXRST 0x08 #define MACON2_RFUNRST 0x04 #define MACON2_MATXRST 0x02 #define MACON2_TFUNRST 0x01 /* ENC28J60 MACON3 Register Bit Definitions */ #define MACON3_PADCFG2 0x80 #define MACON3_PADCFG1 0x40 #define MACON3_PADCFG0 0x20 #define MACON3_TXCRCEN 0x10 #define MACON3_PHDRLEN 0x08 #define MACON3_HFRMLEN 0x04 #define MACON3_FRMLNEN 0x02 #define MACON3_FULDPX 0x01 /* ENC28J60 MICMD Register Bit Definitions */ #define MICMD_MIISCAN 0x02 #define MICMD_MIIRD 0x01 /* ENC28J60 MISTAT Register Bit Definitions */ #define MISTAT_NVALID 0x04 #define MISTAT_SCAN 0x02 #define MISTAT_BUSY 0x01 /* ENC28J60 ERXFCON Register Bit Definitions */ #define ERXFCON_UCEN 0x80 #define ERXFCON_ANDOR 0x40 #define ERXFCON_CRCEN 0x20 #define ERXFCON_PMEN 0x10 #define ERXFCON_MPEN 0x08 #define ERXFCON_HTEN 0x04 #define ERXFCON_MCEN 0x02 #define ERXFCON_BCEN 0x01 /* ENC28J60 PHY PHCON1 Register Bit Definitions */ #define PHCON1_PRST 0x8000 #define PHCON1_PLOOPBK 0x4000 #define PHCON1_PPWRSV 0x0800 #define PHCON1_PDPXMD 0x0100 /* ENC28J60 PHY PHSTAT1 Register Bit Definitions */ #define PHSTAT1_PFDPX 0x1000 #define PHSTAT1_PHDPX 0x0800 #define PHSTAT1_LLSTAT 0x0004 #define PHSTAT1_JBSTAT 0x0002 /* ENC28J60 PHY PHSTAT2 Register Bit Definitions */ #define PHSTAT2_TXSTAT (1 << 13) #define PHSTAT2_RXSTAT (1 << 12) #define PHSTAT2_COLSTAT (1 << 11) #define PHSTAT2_LSTAT (1 << 10) #define PHSTAT2_DPXSTAT (1 << 9) #define PHSTAT2_PLRITY (1 << 5) /* ENC28J60 PHY PHCON2 Register Bit Definitions */ #define PHCON2_FRCLINK 0x4000 #define PHCON2_TXDIS 0x2000 #define PHCON2_JABBER 0x0400 #define PHCON2_HDLDIS 0x0100 /* ENC28J60 PHY PHIE Register Bit Definitions */ #define PHIE_PLNKIE (1 << 4) #define PHIE_PGEIE (1 << 1) /* ENC28J60 PHY PHIR Register Bit Definitions */ #define PHIR_PLNKIF (1 << 4) #define PHIR_PGEIF (1 << 1) /* ENC28J60 Packet Control Byte Bit Definitions */ #define PKTCTRL_PHUGEEN 0x08 #define PKTCTRL_PPADEN 0x04 #define PKTCTRL_PCRCEN 0x02 #define PKTCTRL_POVERRIDE 0x01 /* ENC28J60 Transmit Status Vector */ #define TSV_TXBYTECNT 0 #define TSV_TXCOLLISIONCNT 16 #define TSV_TXCRCERROR 20 #define TSV_TXLENCHKERROR 21 #define TSV_TXLENOUTOFRANGE 22 #define TSV_TXDONE 23 #define TSV_TXMULTICAST 24 #define TSV_TXBROADCAST 25 #define TSV_TXPACKETDEFER 26 #define TSV_TXEXDEFER 27 #define TSV_TXEXCOLLISION 28 #define TSV_TXLATECOLLISION 29 #define TSV_TXGIANT 30 #define TSV_TXUNDERRUN 31 #define TSV_TOTBYTETXONWIRE 32 #define TSV_TXCONTROLFRAME 48 #define TSV_TXPAUSEFRAME 49 #define TSV_BACKPRESSUREAPP 50 #define TSV_TXVLANTAGFRAME 51 #define TSV_SIZE 7 #define TSV_BYTEOF(x) ((x) / 8) #define TSV_BITMASK(x) (1 << ((x) % 8)) #define TSV_GETBIT(x, y) (((x)[TSV_BYTEOF(y)] & TSV_BITMASK(y)) ? 1 : 0) /* ENC28J60 Receive Status Vector */ #define RSV_RXLONGEVDROPEV 16 #define RSV_CARRIEREV 18 #define RSV_CRCERROR 20 #define RSV_LENCHECKERR 21 #define RSV_LENOUTOFRANGE 22 #define RSV_RXOK 23 #define RSV_RXMULTICAST 24 #define RSV_RXBROADCAST 25 #define RSV_DRIBBLENIBBLE 26 #define RSV_RXCONTROLFRAME 27 #define RSV_RXPAUSEFRAME 28 #define RSV_RXUNKNOWNOPCODE 29 #define RSV_RXTYPEVLAN 30 #define RSV_SIZE 6 #define RSV_BITMASK(x) (1 << ((x) - 16)) #define RSV_GETBIT(x, y) (((x) & RSV_BITMASK(y)) ? 1 : 0) /* SPI operation codes */ #define ENC28J60_READ_CTRL_REG 0x00 #define ENC28J60_READ_BUF_MEM 0x3A #define ENC28J60_WRITE_CTRL_REG 0x40 #define ENC28J60_WRITE_BUF_MEM 0x7A #define ENC28J60_BIT_FIELD_SET 0x80 #define ENC28J60_BIT_FIELD_CLR 0xA0 #define ENC28J60_SOFT_RESET 0xFF /* buffer boundaries applied to internal 8K ram * entire available packet buffer space is allocated. * Give TX buffer space for one full ethernet frame (~1500 bytes) * receive buffer gets the rest */ #define TXSTART_INIT 0x1A00 #define TXEND_INIT 0x1FFF /* Put RX buffer at 0 as suggested by the Errata datasheet */ #define RXSTART_INIT 0x0000 #define RXEND_INIT 0x19FF /* maximum ethernet frame length */ #define MAX_FRAMELEN 1518 /* Preferred half duplex: LEDA: Link status LEDB: Rx/Tx activity */ #define ENC28J60_LAMPS_MODE 0x3476 #endif