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Annotation of sys/arch/alpha/pci/ciavar.h, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: ciavar.h,v 1.13 2006/03/16 22:32:44 miod Exp $ */
                      2: /* $NetBSD: ciavar.h,v 1.17 2000/03/19 01:43:25 thorpej Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Chris G. Demetriou
                      9:  *
                     10:  * Permission to use, copy, modify and distribute this software and
                     11:  * its documentation is hereby granted, provided that both the copyright
                     12:  * notice and this permission notice appear in all copies of the
                     13:  * software, derivative works or modified versions, and any portions
                     14:  * thereof, and that both notices appear in supporting documentation.
                     15:  *
                     16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
                     18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     19:  *
                     20:  * Carnegie Mellon requests users of this software to return to
                     21:  *
                     22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
                     23:  *  School of Computer Science
                     24:  *  Carnegie Mellon University
                     25:  *  Pittsburgh PA 15213-3890
                     26:  *
                     27:  * any improvements or extensions that they make and grant Carnegie the
                     28:  * rights to redistribute these changes.
                     29:  */
                     30:
                     31: #include <dev/isa/isavar.h>
                     32: #include <dev/pci/pcivar.h>
                     33: #include <alpha/pci/pci_sgmap_pte64.h>
                     34:
                     35: /*
                     36:  * A 21171 chipset's configuration.
                     37:  *
                     38:  * All of the information that the chipset-specific functions need to
                     39:  * do their dirty work (and more!).
                     40:  */
                     41: struct cia_config {
                     42:        int     cc_initted;
                     43:
                     44:        struct alpha_bus_space cc_iot, cc_memt;
                     45:        struct alpha_pci_chipset cc_pc;
                     46:
                     47:        struct alpha_bus_dma_tag cc_dmat_direct;
                     48:        struct alpha_bus_dma_tag cc_dmat_sgmap;
                     49:
                     50:        struct alpha_sgmap cc_sgmap;
                     51:
                     52:        u_int32_t cc_hae_mem;
                     53:        u_int32_t cc_hae_io;
                     54:
                     55:        u_int32_t cc_rev;
                     56:        u_int32_t cc_cnfg;
                     57:
                     58:        int     cc_flags;
                     59:
                     60: #define        CCF_ISPYXIS     0x01            /* chip is a 21174 Pyxis */
                     61: #define        CCF_PYXISBUG    0x02
                     62: #define        CCF_PCI_USE_BWX 0x04            /* use BWX for PCI config space */
                     63: #define        CCF_BUS_USE_BWX 0x08            /* use BWX for bus space */
                     64:
                     65:        struct extent *cc_io_ex, *cc_d_mem_ex, *cc_s_mem_ex;
                     66:        int     cc_mallocsafe;
                     67: };
                     68:
                     69: void   cia_init(struct cia_config *, int);
                     70: void   cia_pci_init(pci_chipset_tag_t, void *);
                     71: void   cia_dma_init(struct cia_config *);
                     72:
                     73: void   cia_bwx_bus_io_init(bus_space_tag_t, void *);
                     74: void   cia_bwx_bus_mem_init(bus_space_tag_t, void *);
                     75:
                     76: void   cia_bus_io_init(bus_space_tag_t, void *);
                     77: void   cia_bus_mem_init(bus_space_tag_t, void *);
                     78:
                     79: void   cia_pyxis_intr_enable(int, int);