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platform code, it is expected these will be merged in the future when the ARM code is more complete. Until more boards can be tested only use this with the Raspberry Pi and rrename the functions on the other SoCs. Reviewed by: ian@
117 lines
3.5 KiB
Objective-C
117 lines
3.5 KiB
Objective-C
#-
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# Copyright (c) 2009 Nathan Whitehorn
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/smp.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include <machine/smp.h>
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#include <machine/vmparam.h>
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/**
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* @defgroup PLATFORM platform - KObj methods for ARM platform
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* implementations
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* @brief A set of methods required by all platform implementations.
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* These are used to bring up secondary CPUs, supply the physical memory
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* map, etc.
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*@{
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*/
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INTERFACE platform;
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#
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# Default implementations
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#
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CODE {
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static void platform_null_attach(platform_t plat)
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{
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return;
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}
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};
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/**
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* @brief Probe for whether we are on this platform, returning the standard
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* newbus probe codes. If we have Open Firmware or a flattened device tree,
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* it is guaranteed to be available at this point.
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*/
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METHOD int probe {
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platform_t _plat;
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};
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/**
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* @brief Attach this platform module. This happens before the MMU is online,
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* so the platform module can install its own high-priority MMU module at
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* this point.
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*/
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METHOD int attach {
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platform_t _plat;
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} DEFAULT platform_null_attach;
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/**
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* @brief Called as one of the last steps of early virtual memory
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* initialization, shortly before the new page tables are installed.
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*/
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METHOD int devmap_init {
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platform_t _plat;
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};
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/**
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* @brief Called after devmap_init(), and must return the address of the
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* first byte of unusable KVA space. This allows a platform to carve out
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* of the top of the KVA space whatever reserves it needs for things like
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* static device mapping, and this is called to get the value before
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* calling pmap_bootstrap() which uses the value to size the available KVA.
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*/
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METHOD vm_offset_t lastaddr {
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platform_t _plat;
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};
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/**
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* @brief Called after the static device mappings are established and just
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* before cninit(). The intention is that the routine can do any hardware
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* setup (such as gpio or pinmux) necessary to make the console functional.
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*/
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METHOD void gpio_init {
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platform_t _plat;
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};
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/**
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* @brief Called just after cninit(). This is the first of the init
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* routines that can use printf() and expect the output to appear on
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* a standard console.
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*/
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METHOD void late_init {
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platform_t _plat;
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};
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