xref: /src/sys/arch/arm/fdt/arm_fdtvar.h

/* $NetBSD: arm_fdtvar.h,v 1.2 2017/05/30 21:12:41 jmcneill Exp $ */

/*-
 * Copyright (c) 2017 Jared D. McNeill <jmcneill (at) invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * 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.
 */

#ifndef _ARM_ARM_FDTVAR_H
#define _ARM_ARM_FDTVAR_H

/*
 * Platform-specific data
 */

struct fdt_attach_args;

struct arm_platform {
	const struct pmap_devmap * (*devmap)(void);
	void			(*bootstrap)(void);
	void			(*init_attach_args)(struct fdt_attach_args *);
	void			(*early_putchar)(char);
	void			(*device_register)(device_t, void *);
	void			(*reset)(void);
};

struct arm_platform_info {
	const char *			compat;
	const struct arm_platform *	ops;
};

#define _ARM_PLATFORM_REGISTER(name)	\
	__link_set_add_rodata(arm_platforms, __CONCAT(name,_platinfo));

#define ARM_PLATFORM(_name, _compat, _ops)				\
static const struct arm_platform_info __CONCAT(_name,_platinfo) = {	\
	.compat = (_compat),						\
	.ops = (_ops)							\
};									\
_ARM_PLATFORM_REGISTER(_name)

TAILQ_HEAD(arm_platlist, arm_platform_info);

const struct arm_platform *	arm_fdt_platform(void);

void    arm_fdt_cpu_hatch_register(void *, void (*)(void *, struct cpu_info *));
void    arm_fdt_cpu_hatch(struct cpu_info *);

#endif /* !_ARM_ARM_FDTVAR_H */