Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * arch/powerpc/platforms/embedded6xx/gamecube.c
 *
 * Nintendo GameCube board-specific support
 * Copyright (C) 2004-2009 The GameCube Linux Team
 * Copyright (C) 2007,2008,2009 Albert Herranz
 */
 
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/kexec.h>
#include <linux/seq_file.h>
#include <linux/of_platform.h>
 
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/udbg.h>
 
#include "flipper-pic.h"
#include "usbgecko_udbg.h"
 
 
static void __noreturn gamecube_spin(void)
{
<------>/* spin until power button pressed */
<------>for (;;)
<------><------>cpu_relax();
}
 
static void __noreturn gamecube_restart(char *cmd)
{
<------>local_irq_disable();
<------>flipper_platform_reset();
<------>gamecube_spin();
}
 
static void gamecube_power_off(void)
{
<------>local_irq_disable();
<------>gamecube_spin();
}
 
static void __noreturn gamecube_halt(void)
{
<------>gamecube_restart(NULL);
}
 
static int __init gamecube_probe(void)
{
<------>if (!of_machine_is_compatible("nintendo,gamecube"))
<------><------>return 0;
 
<------>pm_power_off = gamecube_power_off;
 
<------>ug_udbg_init();
 
<------>return 1;
}
 
static void gamecube_shutdown(void)
{
<------>flipper_quiesce();
}
 
define_machine(gamecube) {
<------>.name			= "gamecube",
<------>.probe			= gamecube_probe,
<------>.restart		= gamecube_restart,
<------>.halt			= gamecube_halt,
<------>.init_IRQ		= flipper_pic_probe,
<------>.get_irq		= flipper_pic_get_irq,
<------>.calibrate_decr		= generic_calibrate_decr,
<------>.progress		= udbg_progress,
<------>.machine_shutdown	= gamecube_shutdown,
};
 
 
static const struct of_device_id gamecube_of_bus[] = {
<------>{ .compatible = "nintendo,flipper", },
<------>{ },
};
 
static int __init gamecube_device_probe(void)
{
<------>if (!machine_is(gamecube))
<------><------>return 0;
 
<------>of_platform_bus_probe(NULL, gamecube_of_bus, NULL);
<------>return 0;
}
device_initcall(gamecube_device_probe);