1#- 2# Copyright (c) 2009 Nathan Whitehorn 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD$ 27# 28 29#include <sys/param.h> 30#include <sys/lock.h> 31#include <sys/mutex.h> 32#include <sys/systm.h> 33#include <sys/smp.h> 34 35#include <machine/machdep.h> 36#include <machine/platform.h> 37#include <machine/platformvar.h> 38#include <machine/smp.h> 39#include <machine/vmparam.h> 40 41/** 42 * @defgroup PLATFORM platform - KObj methods for ARM platform 43 * implementations 44 * @brief A set of methods required by all platform implementations. 45 * These are used to bring up secondary CPUs, supply the physical memory 46 * map, etc. 47 *@{ 48 */ 49 50INTERFACE platform; 51 52# 53# Default implementations 54# 55CODE { 56 static void platform_null_attach(platform_t plat) 57 { 58 return; 59 } 60}; 61 62/** 63 * @brief Probe for whether we are on this platform, returning the standard 64 * newbus probe codes. If we have Open Firmware or a flattened device tree, 65 * it is guaranteed to be available at this point. 66 */ 67METHOD int probe { 68 platform_t _plat; 69}; 70 71/** 72 * @brief Attach this platform module. This happens before the MMU is online, 73 * so the platform module can install its own high-priority MMU module at 74 * this point. 75 */ 76METHOD int attach { 77 platform_t _plat; 78} DEFAULT platform_null_attach; 79 80/** 81 * @brief Called as one of the last steps of early virtual memory 82 * initialization, shortly before the new page tables are installed. 83 */ 84METHOD int devmap_init { 85 platform_t _plat; 86}; 87 88/** 89 * @brief Called after devmap_init(), and must return the address of the 90 * first byte of unusable KVA space. This allows a platform to carve out 91 * of the top of the KVA space whatever reserves it needs for things like 92 * static device mapping, and this is called to get the value before 93 * calling pmap_bootstrap() which uses the value to size the available KVA. 94 */ 95METHOD vm_offset_t lastaddr { 96 platform_t _plat; 97}; 98 99/** 100 * @brief Called after the static device mappings are established and just 101 * before cninit(). The intention is that the routine can do any hardware 102 * setup (such as gpio or pinmux) necessary to make the console functional. 103 */ 104METHOD void gpio_init { 105 platform_t _plat; 106}; 107 108/** 109 * @brief Called just after cninit(). This is the first of the init 110 * routines that can use printf() and expect the output to appear on 111 * a standard console. 112 */ 113METHOD void late_init { 114 platform_t _plat; 115}; 116 117