diff options
Diffstat (limited to 'drivers/net/ethernet/i825xx/3c523.h')
| -rw-r--r-- | drivers/net/ethernet/i825xx/3c523.h | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/drivers/net/ethernet/i825xx/3c523.h b/drivers/net/ethernet/i825xx/3c523.h deleted file mode 100644 index 6956441687b..00000000000 --- a/drivers/net/ethernet/i825xx/3c523.h +++ /dev/null @@ -1,355 +0,0 @@ -#ifndef _3c523_INCLUDE_ -#define _3c523_INCLUDE_ -/* - This is basically a hacked version of ni52.h, for the 3c523 - Etherlink/MC. -*/ - -/* - * Intel i82586 Ethernet definitions - * - * This is an extension to the Linux operating system, and is covered by the - * same GNU General Public License that covers that work. - * - * Copyright 1995 by Chris Beauregard (cpbeaure@undergrad.math.uwaterloo.ca) - * - * See 3c523.c for details. - * - * $Header: /home/chrisb/linux-1.2.13-3c523/drivers/net/RCS/3c523.h,v 1.6 1996/01/20 05:09:00 chrisb Exp chrisb $ - */ - -/* - * where to find the System Configuration Pointer (SCP) - */ -#define SCP_DEFAULT_ADDRESS 0xfffff4 - - -/* - * System Configuration Pointer Struct - */ - -struct scp_struct -{ - unsigned short zero_dum0; /* has to be zero */ - unsigned char sysbus; /* 0=16Bit,1=8Bit */ - unsigned char zero_dum1; /* has to be zero for 586 */ - unsigned short zero_dum2; - unsigned short zero_dum3; - char *iscp; /* pointer to the iscp-block */ -}; - - -/* - * Intermediate System Configuration Pointer (ISCP) - */ -struct iscp_struct -{ - unsigned char busy; /* 586 clears after successful init */ - unsigned char zero_dummy; /* hast to be zero */ - unsigned short scb_offset; /* pointeroffset to the scb_base */ - char *scb_base; /* base-address of all 16-bit offsets */ -}; - -/* - * System Control Block (SCB) - */ -struct scb_struct -{ - unsigned short status; /* status word */ - unsigned short cmd; /* command word */ - unsigned short cbl_offset; /* pointeroffset, command block list */ - unsigned short rfa_offset; /* pointeroffset, receive frame area */ - unsigned short crc_errs; /* CRC-Error counter */ - unsigned short aln_errs; /* alignmenterror counter */ - unsigned short rsc_errs; /* Resourceerror counter */ - unsigned short ovrn_errs; /* OVerrunerror counter */ -}; - -/* - * possible command values for the command word - */ -#define RUC_MASK 0x0070 /* mask for RU commands */ -#define RUC_NOP 0x0000 /* NOP-command */ -#define RUC_START 0x0010 /* start RU */ -#define RUC_RESUME 0x0020 /* resume RU after suspend */ -#define RUC_SUSPEND 0x0030 /* suspend RU */ -#define RUC_ABORT 0x0040 /* abort receiver operation immediately */ - -#define CUC_MASK 0x0700 /* mask for CU command */ -#define CUC_NOP 0x0000 /* NOP-command */ -#define CUC_START 0x0100 /* start execution of 1. cmd on the CBL */ -#define CUC_RESUME 0x0200 /* resume after suspend */ -#define CUC_SUSPEND 0x0300 /* Suspend CU */ -#define CUC_ABORT 0x0400 /* abort command operation immediately */ - -#define ACK_MASK 0xf000 /* mask for ACK command */ -#define ACK_CX 0x8000 /* acknowledges STAT_CX */ -#define ACK_FR 0x4000 /* ack. STAT_FR */ -#define ACK_CNA 0x2000 /* ack. STAT_CNA */ -#define ACK_RNR 0x1000 /* ack. STAT_RNR */ - -/* - * possible status values for the status word - */ -#define STAT_MASK 0xf000 /* mask for cause of interrupt */ -#define STAT_CX 0x8000 /* CU finished cmd with its I bit set */ -#define STAT_FR 0x4000 /* RU finished receiving a frame */ -#define STAT_CNA 0x2000 /* CU left active state */ -#define STAT_RNR 0x1000 /* RU left ready state */ - -#define CU_STATUS 0x700 /* CU status, 0=idle */ -#define CU_SUSPEND 0x100 /* CU is suspended */ -#define CU_ACTIVE 0x200 /* CU is active */ - -#define RU_STATUS 0x70 /* RU status, 0=idle */ -#define RU_SUSPEND 0x10 /* RU suspended */ -#define RU_NOSPACE 0x20 /* RU no resources */ -#define RU_READY 0x40 /* RU is ready */ - -/* - * Receive Frame Descriptor (RFD) - */ -struct rfd_struct -{ - unsigned short status; /* status word */ - unsigned short last; /* Bit15,Last Frame on List / Bit14,suspend */ - unsigned short next; /* linkoffset to next RFD */ - unsigned short rbd_offset; /* pointeroffset to RBD-buffer */ - unsigned char dest[6]; /* ethernet-address, destination */ - unsigned char source[6]; /* ethernet-address, source */ - unsigned short length; /* 802.3 frame-length */ - unsigned short zero_dummy; /* dummy */ -}; - -#define RFD_LAST 0x8000 /* last: last rfd in the list */ -#define RFD_SUSP 0x4000 /* last: suspend RU after */ -#define RFD_ERRMASK 0x0fe1 /* status: errormask */ -#define RFD_MATCHADD 0x0002 /* status: Destinationaddress !matches IA */ -#define RFD_RNR 0x0200 /* status: receiver out of resources */ - -/* - * Receive Buffer Descriptor (RBD) - */ -struct rbd_struct -{ - unsigned short status; /* status word,number of used bytes in buff */ - unsigned short next; /* pointeroffset to next RBD */ - char *buffer; /* receive buffer address pointer */ - unsigned short size; /* size of this buffer */ - unsigned short zero_dummy; /* dummy */ -}; - -#define RBD_LAST 0x8000 /* last buffer */ -#define RBD_USED 0x4000 /* this buffer has data */ -#define RBD_MASK 0x3fff /* size-mask for length */ - -/* - * Statusvalues for Commands/RFD - */ -#define STAT_COMPL 0x8000 /* status: frame/command is complete */ -#define STAT_BUSY 0x4000 /* status: frame/command is busy */ -#define STAT_OK 0x2000 /* status: frame/command is ok */ - -/* - * Action-Commands - */ -#define CMD_NOP 0x0000 /* NOP */ -#define CMD_IASETUP 0x0001 /* initial address setup command */ -#define CMD_CONFIGURE 0x0002 /* configure command */ -#define CMD_MCSETUP 0x0003 /* MC setup command */ -#define CMD_XMIT 0x0004 /* transmit command */ -#define CMD_TDR 0x0005 /* time domain reflectometer (TDR) command */ -#define CMD_DUMP 0x0006 /* dump command */ -#define CMD_DIAGNOSE 0x0007 /* diagnose command */ - -/* - * Action command bits - */ -#define CMD_LAST 0x8000 /* indicates last command in the CBL */ -#define CMD_SUSPEND 0x4000 /* suspend CU after this CB */ -#define CMD_INT 0x2000 /* generate interrupt after execution */ - -/* - * NOP - command - */ -struct nop_cmd_struct -{ - unsigned short cmd_status; /* status of this command */ - unsigned short cmd_cmd; /* the command itself (+bits) */ - unsigned short cmd_link; /* offsetpointer to next command */ -}; - -/* - * IA Setup command - */ -struct iasetup_cmd_struct -{ - unsigned short cmd_status; - unsigned short cmd_cmd; - unsigned short cmd_link; - unsigned char iaddr[6]; -}; - -/* - * Configure command - */ -struct configure_cmd_struct -{ - unsigned short cmd_status; - unsigned short cmd_cmd; - unsigned short cmd_link; - unsigned char byte_cnt; /* size of the config-cmd */ - unsigned char fifo; /* fifo/recv monitor */ - unsigned char sav_bf; /* save bad frames (bit7=1)*/ - unsigned char adr_len; /* adr_len(0-2),al_loc(3),pream(4-5),loopbak(6-7)*/ - unsigned char priority; /* lin_prio(0-2),exp_prio(4-6),bof_metd(7) */ - unsigned char ifs; /* inter frame spacing */ - unsigned char time_low; /* slot time low */ - unsigned char time_high; /* slot time high(0-2) and max. retries(4-7) */ - unsigned char promisc; /* promisc-mode(0) , et al (1-7) */ - unsigned char carr_coll; /* carrier(0-3)/collision(4-7) stuff */ - unsigned char fram_len; /* minimal frame len */ - unsigned char dummy; /* dummy */ -}; - -/* - * Multicast Setup command - */ -struct mcsetup_cmd_struct -{ - unsigned short cmd_status; - unsigned short cmd_cmd; - unsigned short cmd_link; - unsigned short mc_cnt; /* number of bytes in the MC-List */ - unsigned char mc_list[0][6]; /* pointer to 6 bytes entries */ -}; - -/* - * transmit command - */ -struct transmit_cmd_struct -{ - unsigned short cmd_status; - unsigned short cmd_cmd; - unsigned short cmd_link; - unsigned short tbd_offset; /* pointeroffset to TBD */ - unsigned char dest[6]; /* destination address of the frame */ - unsigned short length; /* user defined: 802.3 length / Ether type */ -}; - -#define TCMD_ERRMASK 0x0fa0 -#define TCMD_MAXCOLLMASK 0x000f -#define TCMD_MAXCOLL 0x0020 -#define TCMD_HEARTBEAT 0x0040 -#define TCMD_DEFERRED 0x0080 -#define TCMD_UNDERRUN 0x0100 -#define TCMD_LOSTCTS 0x0200 -#define TCMD_NOCARRIER 0x0400 -#define TCMD_LATECOLL 0x0800 - -struct tdr_cmd_struct -{ - unsigned short cmd_status; - unsigned short cmd_cmd; - unsigned short cmd_link; - unsigned short status; -}; - -#define TDR_LNK_OK 0x8000 /* No link problem identified */ -#define TDR_XCVR_PRB 0x4000 /* indicates a transceiver problem */ -#define TDR_ET_OPN 0x2000 /* open, no correct termination */ -#define TDR_ET_SRT 0x1000 /* TDR detected a short circuit */ -#define TDR_TIMEMASK 0x07ff /* mask for the time field */ - -/* - * Transmit Buffer Descriptor (TBD) - */ -struct tbd_struct -{ - unsigned short size; /* size + EOF-Flag(15) */ - unsigned short next; /* pointeroffset to next TBD */ - char *buffer; /* pointer to buffer */ -}; - -#define TBD_LAST 0x8000 /* EOF-Flag, indicates last buffer in list */ - -/*************************************************************************/ -/* -Verbatim from the Crynwyr stuff: - - The 3c523 responds with adapter code 0x6042 at slot -registers xxx0 and xxx1. The setup register is at xxx2 and -contains the following bits: - -0: card enable -2,1: csr address select - 00 = 0300 - 01 = 1300 - 10 = 2300 - 11 = 3300 -4,3: shared memory address select - 00 = 0c0000 - 01 = 0c8000 - 10 = 0d0000 - 11 = 0d8000 -5: set to disable on-board thinnet -7,6: (read-only) shows selected irq - 00 = 12 - 01 = 7 - 10 = 3 - 11 = 9 - -The interrupt-select register is at xxx3 and uses one bit per irq. - -0: int 12 -1: int 7 -2: int 3 -3: int 9 - - Again, the documentation stresses that the setup register -should never be written. The interrupt-select register may be -written with the value corresponding to bits 7.6 in -the setup register to insure corret setup. -*/ - -/* Offsets from the base I/O address. */ -#define ELMC_SA 0 /* first 6 bytes are IEEE network address */ -#define ELMC_CTRL 6 /* control & status register */ -#define ELMC_REVISION 7 /* revision register, first 4 bits only */ -#define ELMC_IO_EXTENT 8 - -/* these are the bit selects for the port register 2 */ -#define ELMC_STATUS_ENABLED 0x01 -#define ELMC_STATUS_CSR_SELECT 0x06 -#define ELMC_STATUS_MEMORY_SELECT 0x18 -#define ELMC_STATUS_DISABLE_THIN 0x20 -#define ELMC_STATUS_IRQ_SELECT 0xc0 - -/* this is the card id used in the detection code. You might recognize -it from @6042.adf */ -#define ELMC_MCA_ID 0x6042 - -/* - The following define the bits for the control & status register - - The bank select registers can be used if more than 16K of memory is - on the card. For some stupid reason, bank 3 is the one for the - bottom 16K, and the card defaults to bank 0. So we have to set the - bank to 3 before the card will even think of operating. To get bank - 3, set BS0 and BS1 to high (of course...) -*/ -#define ELMC_CTRL_BS0 0x01 /* RW bank select */ -#define ELMC_CTRL_BS1 0x02 /* RW bank select */ -#define ELMC_CTRL_INTE 0x04 /* RW interrupt enable, assert high */ -#define ELMC_CTRL_INT 0x08 /* R interrupt active, assert high */ -/*#define ELMC_CTRL_* 0x10*/ /* reserved */ -#define ELMC_CTRL_LBK 0x20 /* RW loopback enable, assert high */ -#define ELMC_CTRL_CA 0x40 /* RW channel attention, assert high */ -#define ELMC_CTRL_RST 0x80 /* RW 82586 reset, assert low */ - -/* some handy compound bits */ - -/* normal operation should have bank 3 and RST high, ints enabled */ -#define ELMC_NORMAL (ELMC_CTRL_INTE|ELMC_CTRL_RST|0x3) - -#endif /* _3c523_INCLUDE_ */ |