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arm_fdtvar.h revision 1.2 
      1 /* $NetBSD: arm_fdtvar.h,v 1.2 2017/05/30 21:12:41 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2017 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _ARM_ARM_FDTVAR_H
     30 #define _ARM_ARM_FDTVAR_H
     31 
     32 /*
     33  * Platform-specific data
     34  */
     35 
     36 struct fdt_attach_args;
     37 
     38 struct arm_platform {
     39 	const struct pmap_devmap * (*devmap)(void);
     40 	void			(*bootstrap)(void);
     41 	void			(*init_attach_args)(struct fdt_attach_args *);
     42 	void			(*early_putchar)(char);
     43 	void			(*device_register)(device_t, void *);
     44 	void			(*reset)(void);
     45 };
     46 
     47 struct arm_platform_info {
     48 	const char *			compat;
     49 	const struct arm_platform *	ops;
     50 };
     51 
     52 #define _ARM_PLATFORM_REGISTER(name)	\
     53 	__link_set_add_rodata(arm_platforms, __CONCAT(name,_platinfo));
     54 
     55 #define ARM_PLATFORM(_name, _compat, _ops)				\
     56 static const struct arm_platform_info __CONCAT(_name,_platinfo) = {	\
     57 	.compat = (_compat),						\
     58 	.ops = (_ops)							\
     59 };									\
     60 _ARM_PLATFORM_REGISTER(_name)
     61 
     62 TAILQ_HEAD(arm_platlist, arm_platform_info);
     63 
     64 const struct arm_platform *	arm_fdt_platform(void);
     65 
     66 void    arm_fdt_cpu_hatch_register(void *, void (*)(void *, struct cpu_info *));
     67 void    arm_fdt_cpu_hatch(struct cpu_info *);
     68 
     69 #endif /* !_ARM_ARM_FDTVAR_H */
     70