/* $NetBSD: mipssimreg.h,v 1.4 2022/12/28 11:50:25 he Exp $ */ /*- * Copyright (c) 2021 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Simon Burge. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Memory Map * * 0000.0000 128MB RAM (max ~500MB) * 1fd0.0000 64kB ISA IO space * 1fd1.0000 64kB 'ISA' VirtIO IO space (non standard) * * Additionally, mips64 probes for memory up to 16G: * * 2000.0000 memory, probed, up to * 4.0000.0000 16GB somewhat arbitrarily, could probably be higher * * CPU interrupts * * 0 mipsnet * 1 virtio * 2 16450 UART */ #define MIPSSIM_UART0_ADDR 0x003f8 #define MIPSSIM_MIPSNET0_ADDR 0x04200 #define MIPSSIM_VIRTIO_ADDR 0x10000 #define MIPSSIM_ISA_IO_BASE 0x1fd00000 /* ISA IO memory: */ #define MIPSSIM_ISA_IO_SIZE 0x00010000 /* 64 kByte */ #define MIPSSIM_VIRTIO_IO_SIZE 0x00010000 /* 64 kByte */ #define MIPSSIM_DMA_BASE 0x00000000 #define MIPSSIM_DMA_PHYSBASE 0x00000000 #define MIPSSIM_DMA_SIZE (MIPSSIM_ISA_IO_BASE - MIPSSIM_DMA_BASE) #define MIPSSIM_MORE_MEM_BASE 0x20000000 #define MIPSSIM_MORE_MEM_END (16ULL * 1024 * 1024 * 1024) /* 16GB */ #define VIRTIO_NUM_TRANSPORTS 32 #define VIRTIO_STRIDE 512 |