1 /* $NetBSD: ttwogavar.h,v 1.2 2001/07/27 00:25:21 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <dev/isa/isavar.h> 40 #include <dev/pci/pcivar.h> 41 #include <alpha/pci/pci_sgmap_pte64.h> 42 43 #define _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)) 44 45 /* 46 * T2 System Address Map info. 47 */ 48 struct ttwoga_sysmap { 49 bus_addr_t tsmap_sio_base; 50 bus_size_t tsmap_sio_syssize; 51 bus_size_t tsmap_sio_bussize; 52 53 bus_addr_t tsmap_smem_base; 54 bus_size_t tsmap_smem_syssize; 55 bus_size_t tsmap_smem_bussize; 56 57 bus_addr_t tsmap_dmem_base; 58 bus_size_t tsmap_dmem_syssize; 59 bus_size_t tsmap_dmem_bussize; 60 61 bus_addr_t tsmap_conf_base; 62 }; 63 64 /* 65 * A T2 Gate Array's configuration. 66 * 67 * All of the information that the T2-specific functions need to 68 * do their dirty work (and more!). 69 */ 70 struct ttwoga_config { 71 int tc_initted; 72 73 int tc_rev; 74 75 int tc_hose; 76 77 bus_addr_t tc_io_bus_start, tc_d_mem_bus_start, tc_s_mem_bus_start; 78 79 const struct ttwoga_sysmap *tc_sysmap; 80 81 struct alpha_bus_space tc_iot, tc_memt; 82 struct alpha_pci_chipset tc_pc; 83 84 struct alpha_bus_dma_tag tc_dmat_direct; 85 struct alpha_bus_dma_tag tc_dmat_sgmap; 86 87 struct alpha_sgmap tc_sgmap; 88 int tc_use_tlb; /* Gamma hardware bug */ 89 90 long tc_io_exstorage[_FSTORE]; 91 long tc_smem_exstorage[_FSTORE]; 92 long tc_dmem_exstorage[_FSTORE]; 93 94 struct extent *tc_io_ex, *tc_d_mem_ex, *tc_s_mem_ex; 95 int tc_mallocsafe; 96 97 u_long tc_vecbase; 98 struct alpha_shared_intr *tc_intrtab; 99 100 void (*tc_enable_intr)(struct ttwoga_config *, int, int); 101 void (*tc_setlevel)(struct ttwoga_config *, int, int); 102 void (*tc_eoi)(struct ttwoga_config *, int); 103 }; 104 105 extern cpuid_t ttwoga_conf_cpu; 106 extern struct ttwoga_config ttwoga_configuration[]; 107 108 struct ttwoga_config *ttwoga_init(int, int); 109 void ttwoga_pci_init(pci_chipset_tag_t, void *); 110 void ttwoga_dma_init(struct ttwoga_config *); 111 112 void ttwoga_bus_io_init(bus_space_tag_t, void *); 113 void ttwoga_bus_mem_init(bus_space_tag_t, void *); 114