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linux-pinenote/drivers/net/ethernet/microchip/enc28j60_hw.h
Jeff Kirsher 580416e6e4 enc28j60: Move the Microchip driver 
Move the Microchip driver into drivers/net/ethernet/microchip/ and
make the necessary Kconfig and Makefile changes.

CC: Claudio Lanconelli <lanconelli.claudio@eptar.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-12 23:47:09 -07:00

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/*
* 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
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