1 /* $NetBSD: mcpciavar.h,v 1.4 1999/04/16 02:18:07 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1998 by Matthew Jacob 5 * NASA AMES Research Center. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <dev/pci/pcivar.h> 34 #include <sys/extent.h> 35 36 #include <alpha/pci/pci_sgmap_pte64.h> 37 38 #define _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)) 39 40 /* 41 * MPCIA configuration. 42 */ 43 struct mcpcia_config { 44 int cc_gid; /* GID of this MCbus */ 45 int cc_mid; /* MCbus Module ID */ 46 int cc_initted; 47 int cc_mallocsafe; 48 struct alpha_bus_space cc_iot; 49 struct alpha_bus_space cc_memt; 50 struct extent * cc_io_ex; 51 struct extent * cc_d_mem_ex; 52 struct extent * cc_s_mem_ex; 53 struct alpha_pci_chipset cc_pc; 54 struct mcpcia_softc * cc_sc; /* back pointer */ 55 long cc_io_exstorage[_FSTORE]; 56 long cc_dmem_exstorage[_FSTORE]; 57 long cc_smem_exstorage[_FSTORE]; 58 unsigned long cc_sysbase; /* shorthand */ 59 struct alpha_bus_dma_tag cc_dmat_direct; 60 struct alpha_bus_dma_tag cc_dmat_pci_sgmap; 61 struct alpha_bus_dma_tag cc_dmat_isa_sgmap; 62 struct alpha_sgmap cc_pci_sgmap; 63 struct alpha_sgmap cc_isa_sgmap; 64 }; 65 66 struct mcpcia_softc { 67 struct device mcpcia_dev; 68 struct mcpcia_config *mcpcia_cc; /* config info */ 69 }; 70 71 void mcpcia_init __P((void)); 72 void mcpcia_config_cleanup __P((void)); 73 74 void mcpcia_pci_init __P((pci_chipset_tag_t, void *)); 75 void mcpcia_dma_init __P((struct mcpcia_config *)); 76 77 void mcpcia_bus_io_init __P((bus_space_tag_t, void *)); 78 void mcpcia_bus_mem_init __P((bus_space_tag_t, void *)); 79 80 /* 81 * IO Interrupt handler. 82 */ 83 void mcpcia_iointr __P((void *, unsigned long)); 84 85 /* 86 * There are four PCI slots per MCPCIA PCI bus here, but some are 'hidden'- 87 * none seems to be higher than 6 though. 88 */ 89 #define MCPCIA_MAXDEV 6 90 #define MCPCIA_MAXSLOT 8 91 92 /* 93 * Interrupt Stuff for MCPCIA systems. 94 * 95 * EISA interrupts (at vector 0x800) have to be shared interrupts- 96 * and that can be easily managed. All the PCI interrupts are deterministic 97 * in that they start at vector 0x900, 0x40 per PCI slot, 0x200 per 98 * MCPCIA, 4 MCPCIAs per GCBUS.... 99 */ 100 #define MCPCIA_EISA_KEYB_IRQ 1 101 #define MCPCIA_EISA_MOUSE_IRQ 12 102 #define MCPCIA_VEC_EISA 0x800 103 #define MCPCIA_VEC_PCI 0x900 104 105 /* 106 * Special Vectors 107 */ 108 #define MCPCIA_I2C_CVEC 0xA90 109 #define MCPCIA_I2C_BVEC 0xAA0 110