1 /* $NetBSD: apecsvar.h,v 1.7 1997/06/06 23:54:25 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include <dev/isa/isavar.h> 31 #include <dev/pci/pcivar.h> 32 #include <alpha/pci/pci_sgmap_pte64.h> 33 34 /* 35 * An APECS chipset's configuration. 36 * 37 * All of the information that the chipset-specific functions need to 38 * do their dirty work (and more!). 39 */ 40 struct apecs_config { 41 int ac_initted; 42 43 int ac_comanche_pass2; 44 int ac_epic_pass2; 45 int ac_memwidth; 46 47 bus_space_tag_t ac_iot, ac_memt; 48 struct alpha_pci_chipset ac_pc; 49 50 struct alpha_bus_dma_tag ac_dmat_direct; 51 struct alpha_bus_dma_tag ac_dmat_sgmap; 52 53 struct alpha_sgmap ac_sgmap; 54 55 u_int32_t ac_haxr1, ac_haxr2; 56 57 struct extent *ac_io_ex, *ac_d_mem_ex, *ac_s_mem_ex; 58 int ac_mallocsafe; 59 }; 60 61 struct apecs_softc { 62 struct device sc_dev; 63 64 struct apecs_config *sc_acp; 65 }; 66 67 void apecs_init __P((struct apecs_config *, int)); 68 void apecs_pci_init __P((pci_chipset_tag_t, void *)); 69 void apecs_dma_init __P((struct apecs_config *)); 70 71 bus_space_tag_t apecs_bus_io_init __P((void *)); 72 bus_space_tag_t apecs_bus_mem_init __P((void *)); 73