1 /* $NetBSD: pica.h,v 1.2 2001/06/13 15:11:38 soda Exp $ */ 2 /* $OpenBSD: pica.h,v 1.4 1996/09/14 15:58:28 pefo Exp $ */ 3 4 /* 5 * Copyright (c) 1994, 1995, 1996 Per Fogelstrom 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 under OpenBSD by 18 * Per Fogelstrom. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 */ 35 #ifndef _PICA_H_ 36 #define _PICA_H_ 1 37 38 /* 39 * PICA's Physical address space 40 */ 41 42 #define PICA_PHYS_MIN 0x00000000 /* 256 Meg */ 43 #define PICA_PHYS_MAX 0x0fffffff 44 45 /* 46 * Memory map 47 */ 48 49 #define PICA_PHYS_MEMORY_START 0x00000000 50 #define PICA_PHYS_MEMORY_END 0x0fffffff /* 256 Meg in 8 slots */ 51 52 #define PICA_MEMORY_SIZE_REG 0xe00fffe0 /* Memory size register */ 53 #define PICA_CONFIG_REG 0xe00ffff0 /* Hardware config reg */ 54 55 /* 56 * I/O map 57 */ 58 59 #define R4030_P_LOCAL_IO_BASE 0x80000000 /* I/O Base address */ 60 #define R4030_V_LOCAL_IO_BASE 0xe0000000 61 #define R4030_S_LOCAL_IO_BASE 0x00040000 /* Size */ 62 #define R4030 R4030_V_LOCAL_IO_BASE 63 64 #define R4030_SYS_CONFIG (R4030+0x0000) /* Global config register */ 65 #define R4030_SYS_TL_BASE (R4030+0x0018) /* DMA transl. table base */ 66 #define R4030_SYS_TL_LIMIT (R4030+0x0020) /* DMA transl. table limit */ 67 #define R4030_SYS_TL_IVALID (R4030+0x0028) /* DMA transl. cache inval */ 68 #define R4030_SYS_DMA0_REGS (R4030+0x0100) /* DMA ch0 base address */ 69 #define R4030_SYS_DMA1_REGS (R4030+0x0120) /* DMA ch0 base address */ 70 #define R4030_SYS_DMA2_REGS (R4030+0x0140) /* DMA ch0 base address */ 71 #define R4030_SYS_DMA3_REGS (R4030+0x0160) /* DMA ch0 base address */ 72 #define R4030_SYS_DMA_INT_SRC (R4030+0x0200) /* DMA int source status reg */ 73 #define R4030_SYS_NVRAM_PROT (R4030+0x0220) /* NV ram protect register */ 74 #define R4030_SYS_IT_VALUE (R4030+0x0228) /* Interval timer reload */ 75 #define R4030_SYS_IT_STAT (R4030+0x0230) /* Interval timer count */ 76 #define R4030_SYS_ISA_VECTOR (R4030+0x0238) /* ISA Interrupt vector */ 77 #define R4030_SYS_EXT_IMASK (R4030+0x00e8) /* External int enable mask */ 78 79 #define PVLB R4030_V_LOCAL_IO_BASE 80 #define PICA_SYS_SONIC (PVLB+0x1000) /* SONIC base address */ 81 #define PICA_SYS_SCSI (PVLB+0x2000) /* SCSI base address */ 82 #define PICA_SYS_FLOPPY (PVLB+0x3000) /* Floppy base address */ 83 #define PICA_SYS_CLOCK (PVLB+0x4000) /* Clock base address */ 84 #define PICA_SYS_KBD (PVLB+0x5000) /* Keybrd/mouse base address */ 85 #define PICA_SYS_COM1 (PVLB+0x6000) /* Com port 1 */ 86 #define PICA_SYS_COM2 (PVLB+0x7000) /* Com port 2 */ 87 #define PICA_SYS_PAR1 (PVLB+0x8000) /* Parallel port 1 */ 88 #define PICA_SYS_NVRAM (PVLB+0x9000) /* Unprotected NV-ram */ 89 #define PICA_SYS_PNVRAM (PVLB+0xa000) /* Protected NV-ram */ 90 #define PICA_SYS_NVPROM (PVLB+0xb000) /* Read only NV-ram */ 91 #define PICA_SYS_SOUND (PVLB+0xc000) /* Sound port */ 92 93 #define PICA_SYS_ISA_AS (PICA_V_ISA_IO+0x70) 94 95 #define PICA_P_DRAM_CONF 0x800e0000 /* Dram config registers */ 96 #define PICA_V_DRAM_CONF 0xe00e0000 97 #define PICA_S_DRAM_CONF 0x00020000 98 99 #define PICA_P_INT_SOURCE 0xf0000000 /* Interrupt src registers */ 100 #define PICA_V_INT_SOURCE R4030_V_LOCAL_IO_BASE+R4030_S_LOCAL_IO_BASE 101 #define PICA_S_INT_SOURCE 0x00001000 102 #define PVIS PICA_V_INT_SOURCE 103 #define PICA_SYS_LB_IS (PVIS+0x0000) /* Local bus int source */ 104 #define PICA_SYS_LB_IE (PVIS+0x0002) /* Local bus int enables */ 105 106 #define PICA_P_LOCAL_VIDEO_CTRL 0x60000000 /* Local video control */ 107 #define PICA_V_LOCAL_VIDEO_CTRL 0xe0200000 108 #define PICA_S_LOCAL_VIDEO_CTRL 0x00200000 109 110 #define PICA_P_EXTND_VIDEO_CTRL 0x60200000 /* Extended video control */ 111 #define PICA_V_EXTND_VIDEO_CTRL 0xe0400000 112 #define PICA_S_EXTND_VIDEO_CTRL 0x00200000 113 114 #define PICA_P_LOCAL_VIDEO 0x40000000 /* Local video memory */ 115 #define PICA_V_LOCAL_VIDEO 0xe0800000 116 #define PICA_S_LOCAL_VIDEO 0x00800000 117 118 #define PICA_P_ISA_IO 0x90000000 /* ISA I/O control */ 119 #define PICA_V_ISA_IO 0xe2000000 120 #define PICA_S_ISA_IO 0x01000000 121 122 #define PICA_P_ISA_MEM 0x91000000 /* ISA Memory control */ 123 #define PICA_V_ISA_MEM 0xe3000000 124 #define PICA_S_ISA_MEM 0x01000000 125 126 /* 127 * Addresses used by various display drivers. 128 */ 129 #define PICA_MONO_BASE (PICA_V_LOCAL_VIDEO_CTRL + 0x3B4) 130 #define PICA_MONO_BUF (PICA_V_LOCAL_VIDEO + 0xB0000) 131 #define PICA_CGA_BASE (PICA_V_LOCAL_VIDEO_CTRL + 0x3D4) 132 #define PICA_CGA_BUF (PICA_V_LOCAL_VIDEO + 0xB8000) 133 #endif /* _PICA_H_ */ 134