1 /* $NetBSD: platform.h,v 1.3 2019/05/18 08:49:23 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nick Hudson 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _EVBARM_BCM53XX_PLATFORM_H 33 #define _EVBARM_BCM53XX_PLATFORM_H 34 35 #include <arm/broadcom/bcm53xx_reg.h> 36 37 /* 38 * Memory will be mapped starting at 0x8000_0000 through 0xbfff_ffff 39 * Kernel VM space: KERNEL_VM_BASE to 0xc0000000. Leave 1MB unused. 40 */ 41 #define KERNEL_VM_BASE (KERNEL_BASE + 0x40000000) 42 #if BCM53XX_IO_SIZE >= L1_SS_SIZE 43 #define KERNEL_VM_TOP ((0xfff00000 - BCM53XX_IO_SIZE) & -L1_SS_SIZE) 44 #else 45 #define KERNEL_VM_TOP (0xfff00000 - BCM53XX_IO_SIZE) 46 #endif 47 #define KERNEL_VM_SIZE (KERNEL_VM_TOP - KERNEL_VM_BASE) 48 49 /* 50 * BCM53xx ARM Peripherals. Their physical address would live in the user 51 * address space, so we can't map 1:1 VA:PA. So shove them just after the 52 * top of the kernel VM. 53 */ 54 55 #define KERNEL_IO_VBASE KERNEL_VM_TOP 56 57 #define KERNEL_IO_PCIE0_OWIN_VBASE KERNEL_IO_VBASE 58 #define KERNEL_IO_PCIE1_OWIN_VBASE (KERNEL_IO_PCIE0_OWIN_VBASE + BCM53XX_PCIE0_OWIN_SIZE) 59 #define KERNEL_IO_PCIE2_OWIN_VBASE (KERNEL_IO_PCIE1_OWIN_VBASE + BCM53XX_PCIE1_OWIN_SIZE) 60 #define KERNEL_IO_IOREG_VBASE (KERNEL_IO_PCIE2_OWIN_VBASE + BCM53XX_PCIE2_OWIN_SIZE) 61 #define KERNEL_IO_ARMCORE_VBASE (KERNEL_IO_IOREG_VBASE + BCM53XX_IOREG_SIZE) 62 #define KERNEL_IO_ROM_REGION_VBASE (KERNEL_IO_ARMCORE_VBASE + BCM53XX_ARMCORE_SIZE) 63 #define KERNEL_IO_END_VBASE (KERNEL_IO_ROM_REGION_VBASE + BCM53XX_ROM_REGION_SIZE) 64 65 #endif /* _EVBARM_BCM53XX_PLATFORM_H */ 66