freebsd-dev/sys/i386/isa/if_iereg.h
1997-02-22 09:48:43 +00:00

25 lines
831 B
C

/*
* $Id$
* definitions for AT&T StarLAN 10 etc...
*/
#define IEATT_RESET 0 /* any write here resets the 586 */
#define IEATT_ATTN 1 /* any write here sends a Chan attn */
#define IEATT_REVISION 6 /* read here to figure out this board */
#define IEATT_ATTRIB 7 /* more information about this board */
#define SL_BOARD(x) ((x) & 0x0f)
#define SL_REV(x) ((x) >> 4)
#define SL1_BOARD 0
#define SL10_BOARD 1
#define EN100_BOARD 2
#define SLFIBER_BOARD 3
#define SL_ATTR_WIDTH 0x04 /* bus width: clear -> 8-bit */
#define SL_ATTR_SPEED 0x08 /* medium speed: clear -> 10 Mbps */
#define SL_ATTR_CODING 0x10 /* encoding: clear -> Manchester */
#define SL_ATTR_HBW 0x20 /* host bus width: clear -> 16-bit */
#define SL_ATTR_TYPE 0x40 /* medium type: clear -> Ethernet */
#define SL_ATTR_BOOTROM 0x80 /* set -> boot ROM present */