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