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fdt_platform.h revision 1.1 
      1 /*	$NetBSD: fdt_platform.h,v 1.1 2025/09/06 21:02:41 thorpej 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 _DEV_FDT_FDT_PLATFORM_H_
     30 #define	_DEV_FDT_FDT_PLATFORM_H_
     31 
     32 #include <sys/device.h>
     33 
     34 struct fdt_attach_args;
     35 struct pmap_devmap;
     36 
     37 struct fdt_platform {
     38 	const struct pmap_devmap *
     39 				(*fp_devmap)(void);
     40 	void			(*fp_bootstrap)(void);
     41 	int			(*fp_mpstart)(void);
     42 	void			(*fp_startup)(void);
     43 	void			(*fp_init_attach_args)(struct fdt_attach_args *);
     44 	void			(*fp_device_register)(device_t, void *);
     45 	void			(*fp_device_register_post_config)(device_t,
     46 				    void *);
     47 	void			(*fp_reset)(void);
     48 	void			(*fp_delay)(u_int);
     49 	u_int			(*fp_uart_freq)(void);
     50 };
     51 
     52 struct fdt_platform_info {
     53 	const char *			fpi_compat;
     54 	const struct fdt_platform *	fpi_ops;
     55 };
     56 
     57 #define	FDT_PLATFORM_DEFAULT		""
     58 
     59 #define	_FDT_PLATFORM_REGISTER(name)	\
     60 	__link_set_add_rodata(fdt_platforms, __CONCAT(name,_platinfo));
     61 
     62 #define	FDT_PLATFORM(_name, _compat, _ops)				\
     63 static const struct fdt_platform_info __CONCAT(_name,_platinfo) = {	\
     64 	.fpi_compat = (_compat),					\
     65 	.fpi_ops = (_ops)						\
     66 };									\
     67 _FDT_PLATFORM_REGISTER(_name)
     68 
     69 const struct fdt_platform *
     70 		fdt_platform_find(void);
     71 
     72 #endif /* _DEV_FDT_FDT_PLATFORM_H_ */
     73