1 /* $NetBSD: ttwogavar.h,v 1.4 2012/02/06 02:14:15 matt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <dev/isa/isavar.h> 33 #include <dev/pci/pcivar.h> 34 #include <alpha/pci/pci_sgmap_pte64.h> 35 36 #define _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)) 37 38 /* 39 * T2 System Address Map info. 40 */ 41 struct ttwoga_sysmap { 42 bus_addr_t tsmap_sio_base; 43 bus_size_t tsmap_sio_syssize; 44 bus_size_t tsmap_sio_bussize; 45 46 bus_addr_t tsmap_smem_base; 47 bus_size_t tsmap_smem_syssize; 48 bus_size_t tsmap_smem_bussize; 49 50 bus_addr_t tsmap_dmem_base; 51 bus_size_t tsmap_dmem_syssize; 52 bus_size_t tsmap_dmem_bussize; 53 54 bus_addr_t tsmap_conf_base; 55 }; 56 57 /* 58 * A T2 Gate Array's configuration. 59 * 60 * All of the information that the T2-specific functions need to 61 * do their dirty work (and more!). 62 */ 63 struct ttwoga_config { 64 int tc_initted; 65 66 int tc_rev; 67 68 int tc_hose; 69 70 bus_addr_t tc_io_bus_start, tc_d_mem_bus_start, tc_s_mem_bus_start; 71 72 const struct ttwoga_sysmap *tc_sysmap; 73 74 struct alpha_bus_space tc_iot, tc_memt; 75 struct alpha_pci_chipset tc_pc; 76 77 struct alpha_bus_dma_tag tc_dmat_direct; 78 struct alpha_bus_dma_tag tc_dmat_sgmap; 79 80 struct alpha_sgmap tc_sgmap; 81 int tc_use_tlb; /* Gamma hardware bug */ 82 83 long tc_io_exstorage[_FSTORE]; 84 long tc_smem_exstorage[_FSTORE]; 85 long tc_dmem_exstorage[_FSTORE]; 86 87 struct extent *tc_io_ex, *tc_d_mem_ex, *tc_s_mem_ex; 88 int tc_mallocsafe; 89 90 u_long tc_vecbase; 91 struct alpha_shared_intr *tc_intrtab; 92 93 void (*tc_enable_intr)(struct ttwoga_config *, int, int); 94 void (*tc_setlevel)(struct ttwoga_config *, int, int); 95 void (*tc_eoi)(struct ttwoga_config *, int); 96 }; 97 98 extern cpuid_t ttwoga_conf_cpu; 99 extern struct ttwoga_config ttwoga_configuration[]; 100 101 struct ttwoga_config *ttwoga_init(int, int); 102 void ttwoga_pci_init(pci_chipset_tag_t, void *); 103 void ttwoga_dma_init(struct ttwoga_config *); 104 105 void ttwoga_bus_io_init(bus_space_tag_t, void *); 106 void ttwoga_bus_mem_init(bus_space_tag_t, void *); 107