/*
* Copyright (C) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/**
* @file
* @brief Architecture dependent parts of OpenFirmware interface.
*/
#include <ofwarch.h>
#include <ofw.h>
#include <printf.h>
void write(const char *str, const int len)
{
int i;
for (i = 0; i < len; i++) {
if (str[i] == '\n')
ofw_write("\r", 1);
ofw_write(&str[i], 1);
}
}
int ofw_translate_failed(ofw_arg_t flag)
{
return flag != -1;
}
int ofw_keyboard(keyboard_t *keyboard)
{
char device_name[BUF_SIZE];
uint32_t virtaddr;
if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0)
return false;
phandle device = ofw_find_device(device_name);
if (device == -1)
return false;
if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)
return false;
if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr))))
return false;
return true;
}