1 /* $NetBSD: iomap.h,v 1.11 2002/04/15 17:05:14 bjh21 Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Leo Weppelman. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Leo Weppelman. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _MACHINE_IOMAP_H 34 #define _MACHINE_IOMAP_H 35 36 #ifdef _KERNEL_OPT 37 #include "opt_mbtype.h" 38 #endif 39 /* 40 * Atari TT hardware: 41 * I/O Address maps 42 */ 43 #ifdef _KERNEL 44 vaddr_t stio_addr; /* Where the st io-area is mapped */ 45 #define AD_STIO (stio_addr) /* .. see atari_init.c */ 46 47 /* 48 * PCI KVA addresses. These are determined in atari_init.c. Except for 49 * the config-space, they should be used for a PCI-console only. Other 50 * cards should use the bus-functions to map io & mem spaces. 51 * Each card gets an config area of NBPG bytes. 52 * 'pci_mem_uncached' is used by the Milan interrupt handler that frobs 53 * with the PLX. Also, the Milan uses the first page of 'pci_io_addr' for 54 * access to some of it's ISA I/O devices (RTC, Interrupt controller, etc.) 55 */ 56 vaddr_t pci_conf_addr; /* KVA base of PCI config space */ 57 vaddr_t pci_io_addr; /* KVA base of PCI io-space */ 58 vaddr_t pci_mem_addr; /* KVA base of PCI mem-space */ 59 vaddr_t pci_mem_uncached; /* KVA base of an uncached PCI mem-page */ 60 #endif /* _KERNEL */ 61 62 #define PCI_CONFB_PHYS (0xA0000000L) 63 #define PCI_CONFM_PHYS (0x00010000L) 64 65 #if defined(_ATARIHW_) 66 #define PCI_IO_PHYS (0xB0000000L) 67 #define PCI_MEM_PHYS (0x80000000L) 68 #define PCI_VGA_PHYS (0x800a0000L) 69 #define ISA_IOSTART (0xfff30000L) /* XXX: With byte frobbing */ 70 #define ISA_MEMSTART (0xff000000L) 71 #endif /* defined(_ATARIHW_) */ 72 73 #if defined(_MILANHW_) 74 #define PCI_IO_PHYS (0x80000000L) 75 #define PCI_MEM_PHYS (0x40000000L) 76 #define PCI_VGA_PHYS (0x400a0000L) 77 #define ISA_IOSTART (0x80000000L) /* !NO! byte frobbing */ 78 #define ISA_MEMSTART (0x40000000L) 79 #endif /* defined(_MILANHW_) */ 80 81 /* 82 * Pre-allocated PCI-memory regions (atari_init.c). We need those in the 83 * boot-stages. 84 * XXX: Can probably be reduced to only PCI_CONF_SIZE (Leo). 85 */ 86 #define PCI_CONF_SIZE (4 * NBPG) 87 #define PCI_IO_SIZE (NBPG) 88 #define PCI_MEM_SIZE (NBPG) 89 90 #define PCI_VGA_SIZE (32 * 1024) /* XXX Leo: Only used by grfabs_et now. */ 91 92 /* 93 * See bootm_init()/bootm_alloc() in bus.c for the usage of this pool 94 * of pre-allocated VA-space. 95 */ 96 #define BOOTM_VA_POOL (32 * 8192) /* Pre-allocated VA-space */ 97 98 #define AD_RAM (0x000000L) /* main memory */ 99 #define AD_CART (0xFA0000L) /* expansion cartridge */ 100 #define AD_ROM (0xFC0000L) /* system ROM */ 101 #define STIO_SIZE (0x8000L) /* Size of mapped I/O devices */ 102 103 /* 104 * Physical address of I/O area. Use only for pte initialisation! 105 */ 106 #define STIO_PHYS ((machineid & (ATARI_HADES | ATARI_MILAN)) \ 107 ? 0xffff8000L \ 108 : 0x00ff8000L) 109 110 #if defined(_ATARIHW_) 111 112 /* 113 * I/O addresses in the STIO area: 114 */ 115 #define AD_RAMCFG (AD_STIO + 0x0000) /* ram configuration */ 116 #define AD_FAL_MON_TYPE (AD_STIO + 0x0006) /* Falcon monitor type */ 117 #define AD_VIDEO (AD_STIO + 0x0200) /* video controller */ 118 #define AD_RESERVED (AD_STIO + 0x0400) /* reserved */ 119 #define AD_DMA (AD_STIO + 0x0600) /* DMA device access */ 120 #define AD_SCSI_DMA (AD_STIO + 0x0700) /* SCSI DMA registers */ 121 #define AD_NCR5380 (AD_STIO + 0x0780) /* SCSI controller */ 122 #define AD_SOUND (AD_STIO + 0x0800) /* YM-2149 */ 123 #define AD_RTC (AD_STIO + 0x0960) /* TT realtime clock */ 124 #define AD_SCC (AD_STIO + 0x0C80) /* SCC 8530 */ 125 #define AD_SCU (AD_STIO + 0x0E00) /* System Control Unit */ 126 #define AD_CFG_SWITCH (AD_STIO + 0x1200) /* Config switches */ 127 #define AD_MFP (AD_STIO + 0x7A00) /* 68901 */ 128 #define AD_MFP2 (AD_STIO + 0x7A80) /* 68901-TT */ 129 #define AD_ACIA (AD_STIO + 0x7C00) /* 2 * 6850 */ 130 #endif /* defined(_ATARIHW_) */ 131 132 #if defined(_MILANHW_) 133 /* 134 * Milan onboard I/O 135 */ 136 #define AD_MFP (AD_STIO + 0x4100) /* 68901 */ 137 #define AD_PLX (AD_STIO + 0x4200) /* PLX9080 */ 138 139 /* 140 * Milan special locations in the first page of the PCI I/O space. 141 */ 142 #define AD_8259_MASTER (pci_io_addr + 0x20) /* Master int. contr. */ 143 #define AD_8259_SLAVE (pci_io_addr + 0xA0) /* Slave int. contr. */ 144 #define AD_RTC (pci_io_addr + 0x70) /* MC146818 compat. RTC */ 145 146 #endif /* defined(_MILANHW_) */ 147 148 #endif /* _MACHINE_IOMAP_H */ 149