1 1.4 he /* $NetBSD: mipssimreg.h,v 1.4 2022/12/28 11:50:25 he Exp $ */ 2 1.1 simonb 3 1.1 simonb /*- 4 1.1 simonb * Copyright (c) 2021 The NetBSD Foundation, Inc. 5 1.1 simonb * All rights reserved. 6 1.1 simonb * 7 1.1 simonb * This code is derived from software contributed to The NetBSD Foundation 8 1.1 simonb * by Simon Burge. 9 1.1 simonb * 10 1.1 simonb * Redistribution and use in source and binary forms, with or without 11 1.1 simonb * modification, are permitted provided that the following conditions 12 1.1 simonb * are met: 13 1.1 simonb * 1. Redistributions of source code must retain the above copyright 14 1.1 simonb * notice, this list of conditions and the following disclaimer. 15 1.1 simonb * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 simonb * notice, this list of conditions and the following disclaimer in the 17 1.1 simonb * documentation and/or other materials provided with the distribution. 18 1.1 simonb * 19 1.1 simonb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 simonb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 simonb * POSSIBILITY OF SUCH DAMAGE. 30 1.1 simonb */ 31 1.1 simonb 32 1.1 simonb 33 1.1 simonb /* 34 1.1 simonb * Memory Map 35 1.1 simonb * 36 1.1 simonb * 0000.0000 128MB RAM (max ~500MB) 37 1.1 simonb * 1fd0.0000 64kB ISA IO space 38 1.2 reinoud * 1fd1.0000 64kB 'ISA' VirtIO IO space (non standard) 39 1.1 simonb * 40 1.4 he * Additionally, mips64 probes for memory up to 16G: 41 1.4 he * 42 1.4 he * 2000.0000 memory, probed, up to 43 1.4 he * 4.0000.0000 16GB somewhat arbitrarily, could probably be higher 44 1.4 he * 45 1.1 simonb * CPU interrupts 46 1.1 simonb * 47 1.1 simonb * 0 mipsnet 48 1.2 reinoud * 1 virtio 49 1.1 simonb * 2 16450 UART 50 1.1 simonb */ 51 1.1 simonb 52 1.2 reinoud #define MIPSSIM_UART0_ADDR 0x003f8 53 1.2 reinoud #define MIPSSIM_MIPSNET0_ADDR 0x04200 54 1.2 reinoud #define MIPSSIM_VIRTIO_ADDR 0x10000 55 1.1 simonb 56 1.1 simonb #define MIPSSIM_ISA_IO_BASE 0x1fd00000 /* ISA IO memory: */ 57 1.1 simonb #define MIPSSIM_ISA_IO_SIZE 0x00010000 /* 64 kByte */ 58 1.2 reinoud #define MIPSSIM_VIRTIO_IO_SIZE 0x00010000 /* 64 kByte */ 59 1.2 reinoud 60 1.2 reinoud #define MIPSSIM_DMA_BASE 0x00000000 61 1.2 reinoud #define MIPSSIM_DMA_PHYSBASE 0x00000000 62 1.2 reinoud #define MIPSSIM_DMA_SIZE (MIPSSIM_ISA_IO_BASE - MIPSSIM_DMA_BASE) 63 1.2 reinoud 64 1.4 he #define MIPSSIM_MORE_MEM_BASE 0x20000000 65 1.4 he #define MIPSSIM_MORE_MEM_END (16ULL * 1024 * 1024 * 1024) /* 16GB */ 66 1.4 he 67 1.2 reinoud #define VIRTIO_NUM_TRANSPORTS 32 68 1.2 reinoud #define VIRTIO_STRIDE 512 69