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kernel/linux-imx6_3.14.28/include/linux/i82593.h 5.58 KB
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  /*
   * Definitions for Intel 82593 CSMA/CD Core LAN Controller
   * The definitions are taken from the 1992 users manual with Intel
   * order number 297125-001.
   *
   * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
   *
   * Copyright 1994, Anders Klemets <klemets@it.kth.se>
   *
   * HISTORY
   * i82593.h,v
   * Revision 1.4  2005/11/4  09:15:00  baroniunas
   * Modified copyright with permission of author as follows:
   *
   *   "If I82539.H is the only file with my copyright statement
   *    that is included in the Source Forge project, then you have
   *    my approval to change the copyright statement to be a GPL
   *    license, in the way you proposed on October 10."
   *
   * Revision 1.1  1996/07/17 15:23:12  root
   * Initial revision
   *
   * Revision 1.3  1995/04/05  15:13:58  adj
   * Initial alpha release
   *
   * Revision 1.2  1994/06/16  23:57:31  klemets
   * Mirrored all the fields in the configuration block.
   *
   * Revision 1.1  1994/06/02  20:25:34  klemets
   * Initial revision
   *
   *
   */
  #ifndef	_I82593_H
  #define	_I82593_H
  
  /* Intel 82593 CSMA/CD Core LAN Controller */
  
  /* Port 0 Command Register definitions */
  
  /* Execution operations */
  #define OP0_NOP			0	/* CHNL = 0 */
  #define OP0_SWIT_TO_PORT_1	0	/* CHNL = 1 */
  #define OP0_IA_SETUP		1
  #define OP0_CONFIGURE		2
  #define OP0_MC_SETUP		3
  #define OP0_TRANSMIT		4
  #define OP0_TDR			5
  #define OP0_DUMP		6
  #define OP0_DIAGNOSE		7
  #define OP0_TRANSMIT_NO_CRC	9
  #define OP0_RETRANSMIT		12
  #define OP0_ABORT		13
  /* Reception operations */
  #define OP0_RCV_ENABLE		8
  #define OP0_RCV_DISABLE		10
  #define OP0_STOP_RCV		11
  /* Status pointer control operations */
  #define OP0_FIX_PTR		15	/* CHNL = 1 */
  #define OP0_RLS_PTR		15	/* CHNL = 0 */
  #define OP0_RESET		14
  
  #define CR0_CHNL		(1 << 4)	/* 0=Channel 0, 1=Channel 1 */
  #define CR0_STATUS_0		0x00
  #define CR0_STATUS_1		0x20
  #define CR0_STATUS_2		0x40
  #define CR0_STATUS_3		0x60
  #define CR0_INT_ACK		(1 << 7)	/* 0=No ack, 1=acknowledge */
  
  /* Port 0 Status Register definitions */
  
  #define SR0_NO_RESULT		0		/* dummy */
  #define SR0_EVENT_MASK		0x0f
  #define SR0_IA_SETUP_DONE	1
  #define SR0_CONFIGURE_DONE	2
  #define SR0_MC_SETUP_DONE	3
  #define SR0_TRANSMIT_DONE	4
  #define SR0_TDR_DONE		5
  #define SR0_DUMP_DONE		6
  #define SR0_DIAGNOSE_PASSED	7
  #define SR0_TRANSMIT_NO_CRC_DONE 9
  #define SR0_RETRANSMIT_DONE	12
  #define SR0_EXECUTION_ABORTED	13
  #define SR0_END_OF_FRAME	8
  #define SR0_RECEPTION_ABORTED	10
  #define SR0_DIAGNOSE_FAILED	15
  #define SR0_STOP_REG_HIT	11
  
  #define SR0_CHNL		(1 << 4)
  #define SR0_EXECUTION		(1 << 5)
  #define SR0_RECEPTION		(1 << 6)
  #define SR0_INTERRUPT		(1 << 7)
  #define SR0_BOTH_RX_TX		(SR0_EXECUTION | SR0_RECEPTION)
  
  #define SR3_EXEC_STATE_MASK	0x03
  #define SR3_EXEC_IDLE		0
  #define SR3_TX_ABORT_IN_PROGRESS 1
  #define SR3_EXEC_ACTIVE		2
  #define SR3_ABORT_IN_PROGRESS	3
  #define SR3_EXEC_CHNL		(1 << 2)
  #define SR3_STP_ON_NO_RSRC	(1 << 3)
  #define SR3_RCVING_NO_RSRC	(1 << 4)
  #define SR3_RCV_STATE_MASK	0x60
  #define SR3_RCV_IDLE		0x00
  #define SR3_RCV_READY		0x20
  #define SR3_RCV_ACTIVE		0x40
  #define SR3_RCV_STOP_IN_PROG	0x60
  #define SR3_RCV_CHNL		(1 << 7)
  
  /* Port 1 Command Register definitions */
  
  #define OP1_NOP			0
  #define OP1_SWIT_TO_PORT_0	1
  #define OP1_INT_DISABLE		2
  #define OP1_INT_ENABLE		3
  #define OP1_SET_TS		5
  #define OP1_RST_TS		7
  #define OP1_POWER_DOWN		8
  #define OP1_RESET_RING_MNGMT	11
  #define OP1_RESET		14
  #define OP1_SEL_RST		15
  
  #define CR1_STATUS_4		0x00
  #define CR1_STATUS_5		0x20
  #define CR1_STATUS_6		0x40
  #define CR1_STOP_REG_UPDATE	(1 << 7)
  
  /* Receive frame status bits */
  
  #define	RX_RCLD			(1 << 0)
  #define RX_IA_MATCH		(1 << 1)
  #define	RX_NO_AD_MATCH		(1 << 2)
  #define RX_NO_SFD		(1 << 3)
  #define RX_SRT_FRM		(1 << 7)
  #define RX_OVRRUN		(1 << 8)
  #define RX_ALG_ERR		(1 << 10)
  #define RX_CRC_ERR		(1 << 11)
  #define RX_LEN_ERR		(1 << 12)
  #define RX_RCV_OK		(1 << 13)
  #define RX_TYP_LEN		(1 << 15)
  
  /* Transmit status bits */
  
  #define TX_NCOL_MASK		0x0f
  #define TX_FRTL			(1 << 4)
  #define TX_MAX_COL		(1 << 5)
  #define TX_HRT_BEAT		(1 << 6)
  #define TX_DEFER		(1 << 7)
  #define TX_UND_RUN		(1 << 8)
  #define TX_LOST_CTS		(1 << 9)
  #define TX_LOST_CRS		(1 << 10)
  #define TX_LTCOL		(1 << 11)
  #define TX_OK			(1 << 13)
  #define TX_COLL			(1 << 15)
  
  struct i82593_conf_block {
    u_char fifo_limit : 4,
    	 forgnesi   : 1,
    	 fifo_32    : 1,
    	 d6mod      : 1,
    	 throttle_enb : 1;
    u_char throttle   : 6,
  	 cntrxint   : 1,
  	 contin	    : 1;
    u_char addr_len   : 3,
    	 acloc 	    : 1,
   	 preamb_len : 2,
    	 loopback   : 2;
    u_char lin_prio   : 3,
  	 tbofstop   : 1,
  	 exp_prio   : 3,
  	 bof_met    : 1;
    u_char	    : 4,
  	 ifrm_spc   : 4;
    u_char	    : 5,
  	 slottim_low : 3;
    u_char slottim_hi : 3,
  		    : 1,
  	 max_retr   : 4;
    u_char prmisc     : 1,
  	 bc_dis     : 1,
    		    : 1,
  	 crs_1	    : 1,
  	 nocrc_ins  : 1,
  	 crc_1632   : 1,
    	 	    : 1,
    	 crs_cdt    : 1;
    u_char cs_filter  : 3,
  	 crs_src    : 1,
  	 cd_filter  : 3,
  		    : 1;
    u_char	    : 2,
    	 min_fr_len : 6;
    u_char lng_typ    : 1,
  	 lng_fld    : 1,
  	 rxcrc_xf   : 1,
  	 artx	    : 1,
  	 sarec	    : 1,
  	 tx_jabber  : 1,	/* why is this called max_len in the manual? */
  	 hash_1	    : 1,
    	 lbpkpol    : 1;
    u_char	    : 6,
    	 fdx	    : 1,
    	  	    : 1;
    u_char dummy_6    : 6,	/* supposed to be ones */
    	 mult_ia    : 1,
    	 dis_bof    : 1;
    u_char dummy_1    : 1,	/* supposed to be one */
  	 tx_ifs_retrig : 2,
  	 mc_all     : 1,
  	 rcv_mon    : 2,
  	 frag_acpt  : 1,
    	 tstrttrs   : 1;
    u_char fretx	    : 1,
  	 runt_eop   : 1,
  	 hw_sw_pin  : 1,
  	 big_endn   : 1,
  	 syncrqs    : 1,
  	 sttlen     : 1,
  	 tx_eop     : 1,
    	 rx_eop	    : 1;
    u_char rbuf_size  : 5,
  	 rcvstop    : 1,
    	 	    : 2;
  };
  
  #define I82593_MAX_MULTICAST_ADDRESSES	128	/* Hardware hashed filter */
  
  #endif /* _I82593_H */