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arm_fdtvar.h revision 1.13 
      1 /* $NetBSD: arm_fdtvar.h,v 1.13 2019/01/03 12:52:40 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 struct fdt_attach_args;
     33 
     34 /*
     35  * Platform-specific data
     36  */
     37 
     38 struct arm_platform {
     39 	const struct pmap_devmap * (*ap_devmap)(void);
     40 	void			(*ap_bootstrap)(void);
     41 	void			(*ap_mpstart)(void);
     42 	void			(*ap_startup)(void);
     43 	void			(*ap_init_attach_args)(struct fdt_attach_args *);
     44 	void			(*ap_device_register)(device_t, void *);
     45 	void			(*ap_reset)(void);
     46 	void			(*ap_delay)(u_int);
     47 	u_int			(*ap_uart_freq)(void);
     48 };
     49 
     50 struct arm_platform_info {
     51 	const char *			api_compat;
     52 	const struct arm_platform *	api_ops;
     53 };
     54 
     55 #define _ARM_PLATFORM_REGISTER(name)	\
     56 	__link_set_add_rodata(arm_platforms, __CONCAT(name,_platinfo));
     57 
     58 #define ARM_PLATFORM(_name, _compat, _ops)				\
     59 static const struct arm_platform_info __CONCAT(_name,_platinfo) = {	\
     60 	.api_compat = (_compat),					\
     61 	.api_ops = (_ops)						\
     62 };									\
     63 _ARM_PLATFORM_REGISTER(_name)
     64 
     65 TAILQ_HEAD(arm_platlist, arm_platform_info);
     66 
     67 const struct arm_platform *	arm_fdt_platform(void);
     68 
     69 /*
     70  * CPU enable methods
     71  */
     72 
     73 struct arm_cpu_method {
     74 	const char *		acm_compat;
     75 	int			(*acm_enable)(int);
     76 };
     77 
     78 #define	_ARM_CPU_METHOD_REGISTER(_name)	\
     79 	__link_set_add_rodata(arm_cpu_methods, __CONCAT(_name,_cpu_method));
     80 
     81 #define	ARM_CPU_METHOD(_name, _compat, _enable)				\
     82 static const struct arm_cpu_method __CONCAT(_name,_cpu_method) = {	\
     83 	.acm_compat = (_compat),					\
     84 	.acm_enable = (_enable)						\
     85 };									\
     86 _ARM_CPU_METHOD_REGISTER(_name)
     87 
     88 void	arm_fdt_cpu_bootstrap(void);
     89 void	arm_fdt_cpu_mpstart(void);
     90 void    arm_fdt_cpu_hatch_register(void *, void (*)(void *, struct cpu_info *));
     91 void    arm_fdt_cpu_hatch(struct cpu_info *);
     92 
     93 void	arm_fdt_timer_register(void (*)(void));
     94 
     95 void	arm_fdt_irq_set_handler(void (*)(void *));
     96 void	arm_fdt_irq_handler(void *);
     97 
     98 void	arm_fdt_memory_dump(paddr_t);
     99 
    100 #endif /* !_ARM_ARM_FDTVAR_H */
    101