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