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/* $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 *));
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