1 /* $NetBSD: ttwogavar.h,v 1.8 2023/12/04 00:32:10 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 * 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 <sys/extent.h> 33 #include <sys/vmem_impl.h> 34 35 #include <dev/isa/isavar.h> 36 #include <dev/pci/pcivar.h> 37 #include <alpha/pci/pci_sgmap_pte64.h> 38 39 #define TTWOGA_NBTS VMEM_EST_BTCOUNT(1, 8) 40 41 /* 42 * T2 System Address Map info. 43 */ 44 struct ttwoga_sysmap { 45 bus_addr_t tsmap_sio_base; 46 bus_size_t tsmap_sio_syssize; 47 bus_size_t tsmap_sio_bussize; 48 49 bus_addr_t tsmap_smem_base; 50 bus_size_t tsmap_smem_syssize; 51 bus_size_t tsmap_smem_bussize; 52 53 bus_addr_t tsmap_dmem_base; 54 bus_size_t tsmap_dmem_syssize; 55 bus_size_t tsmap_dmem_bussize; 56 57 bus_addr_t tsmap_conf_base; 58 }; 59 60 /* 61 * A T2 Gate Array's configuration. 62 * 63 * All of the information that the T2-specific functions need to 64 * do their dirty work (and more!). 65 */ 66 struct ttwoga_config { 67 int tc_initted; 68 69 int tc_rev; 70 71 int tc_hose; 72 73 bus_addr_t tc_io_bus_start, tc_d_mem_bus_start, tc_s_mem_bus_start; 74 75 const struct ttwoga_sysmap *tc_sysmap; 76 77 struct alpha_bus_space tc_iot, tc_memt; 78 struct alpha_pci_chipset tc_pc; 79 80 struct alpha_bus_dma_tag tc_dmat_direct; 81 struct alpha_bus_dma_tag tc_dmat_sgmap; 82 83 struct alpha_sgmap tc_sgmap; 84 int tc_use_tlb; /* Gamma hardware bug */ 85 86 struct vmem tc_io_arena_store; 87 struct vmem tc_d_mem_arena_store; 88 struct vmem tc_s_mem_arena_store; 89 struct vmem_btag tc_io_btag_store[TTWOGA_NBTS]; 90 struct vmem_btag tc_d_mem_btag_store[TTWOGA_NBTS]; 91 struct vmem_btag tc_s_mem_btag_store[TTWOGA_NBTS]; 92 93 vmem_t *tc_io_arena; 94 vmem_t *tc_d_mem_arena; 95 vmem_t *tc_s_mem_arena; 96 97 struct alpha_shared_intr *tc_intrtab; 98 99 void (*tc_enable_intr)(struct ttwoga_config *, int, int); 100 void (*tc_setlevel)(struct ttwoga_config *, int, int); 101 void (*tc_eoi)(struct ttwoga_config *, int); 102 }; 103 104 extern cpuid_t ttwoga_conf_cpu; 105 106 struct ttwoga_config *ttwoga_init(int); 107 void ttwoga_pci_init(pci_chipset_tag_t, void *); 108 void ttwoga_dma_init(struct ttwoga_config *); 109 110 void ttwoga_bus_io_init(bus_space_tag_t, void *); 111 void ttwoga_bus_mem_init(bus_space_tag_t, void *); 112