118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/* $NetBSD: tc.h,v 1.1 1995/08/07 07:07:50 jonathan Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
/*
|
|
* TurboChannel-specific functions and structures.
|
|
*/
|
|
|
|
/*
|
|
* A junk address to read from, to make sure writes are complete. See
|
|
* System Programmer's Manual, section 9.3 (p. 9-4), and sacrifice a
|
|
* chicken.
|
|
*/
|
|
#define MAGIC_READ do { \
|
|
extern u_int32_t no_optimize; \
|
|
no_optimize = *(u_int32_t *)phystok0seg(0x00000001f0080220); \
|
|
} while (0);
|
|
|
|
#define TC_SPACE_IND 0xffffffffe0000003
|
|
#define TC_SPACE_DENSE 0x0000000000000000
|
|
#define TC_SPACE_DENSE_OFFSET 0x0000000007fffffc
|
|
#define TC_SPACE_SPARSE 0x0000000010000000
|
|
#define TC_SPACE_SPARSE_OFFSET 0x000000000ffffff8
|
|
|
|
#define TC_DENSE_TO_SPARSE(addr) \
|
|
((void *) \
|
|
(((u_int64_t)addr & TC_SPACE_IND) | \
|
|
TC_SPACE_SPARSE | \
|
|
(((u_int64_t)addr & TC_SPACE_DENSE_OFFSET) << 1)))
|
|
|
|
#define TC_SPARSE_TO_DENSE(addr) \
|
|
((void *) \
|
|
(((u_int64_t)addr & TC_SPACE_IND) | \
|
|
TC_SPACE_DENSE | \
|
|
(((u_int64_t)addr & TC_SPACE_SPARSE_OFFSET) >> 1)))
|
|
|
|
|
|
#define TC_ROM_LLEN 8
|
|
#define TC_ROM_SLEN 4
|
|
#define TC_ROM_TEST_SIZE 16
|
|
|
|
#define TC_SLOT_ROM 0x000003e0
|
|
#define TC_SLOT_PROTOROM 0x003c03e0
|
|
|
|
typedef struct tc_padchar {
|
|
u_int8_t v;
|
|
u_int8_t pad[3];
|
|
} tc_padchar_t;
|
|
|
|
struct tc_rommap {
|
|
tc_padchar_t tcr_width;
|
|
tc_padchar_t tcr_stride;
|
|
tc_padchar_t tcr_rsize;
|
|
tc_padchar_t tcr_ssize;
|
|
u_int8_t tcr_test[TC_ROM_TEST_SIZE];
|
|
tc_padchar_t tcr_rev[TC_ROM_LLEN];
|
|
tc_padchar_t tcr_vendname[TC_ROM_LLEN];
|
|
tc_padchar_t tcr_modname[TC_ROM_LLEN];
|
|
tc_padchar_t tcr_firmtype[TC_ROM_SLEN];
|
|
};
|
|
|
|
/* The contents of a cfdata->cf_loc for a TurboChannel device */
|
|
struct tc_cfloc {
|
|
int cf_slot; /* Slot number */
|
|
int cf_offset; /* XXX? Offset into slot. */
|
|
int cf_vec;
|
|
int cf_ipl;
|
|
};
|
|
|
|
#define TC_SLOT_WILD -1 /* wildcarded slot */
|
|
#define TC_OFFSET_WILD -1 /* wildcarded offset */
|
|
#define TC_VEC_WILD -1 /* wildcarded vec */
|
|
#define TC_IPL_WILD -1 /* wildcarded ipl */
|
|
|
|
struct tc_slot_desc {
|
|
caddr_t tsd_dense;
|
|
};
|
|
|
|
struct tc_cpu_desc {
|
|
struct tc_slot_desc *tcd_slots;
|
|
long tcd_nslots;
|
|
struct confargs *tcd_devs;
|
|
long tcd_ndevs;
|
|
void (*tc_intr_setup) __P((void));
|
|
void (*tc_intr_establish)
|
|
__P((struct confargs *, intr_handler_t, void *));
|
|
void (*tc_intr_disestablish) __P((struct confargs *));
|
|
int (*tc_iointr) __P((u_int mask, u_int pc,
|
|
u_int statusReg, u_int causeReg));
|
|
};
|
|
|
|
int tc_intrnull __P((void *));
|