1 /* $NetBSD: arm_fdtvar.h,v 1.15 2019/01/31 13:06:10 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 Jared D. McNeill <jmcneill@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 int (*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 const struct arm_platform * arm_fdt_platform(void); 66 67 /* 68 * CPU enable methods 69 */ 70 71 struct arm_cpu_method { 72 const char * acm_compat; 73 int (*acm_enable)(int); 74 }; 75 76 #define _ARM_CPU_METHOD_REGISTER(_name) \ 77 __link_set_add_rodata(arm_cpu_methods, __CONCAT(_name,_cpu_method)); 78 79 #define ARM_CPU_METHOD(_name, _compat, _enable) \ 80 static const struct arm_cpu_method __CONCAT(_name,_cpu_method) = { \ 81 .acm_compat = (_compat), \ 82 .acm_enable = (_enable) \ 83 }; \ 84 _ARM_CPU_METHOD_REGISTER(_name) 85 86 void arm_fdt_cpu_bootstrap(void); 87 int arm_fdt_cpu_mpstart(void); 88 void arm_fdt_cpu_hatch_register(void *, void (*)(void *, struct cpu_info *)); 89 void arm_fdt_cpu_hatch(struct cpu_info *); 90 91 void arm_fdt_timer_register(void (*)(void)); 92 93 void arm_fdt_irq_set_handler(void (*)(void *)); 94 void arm_fdt_irq_handler(void *); 95 96 void arm_fdt_memory_dump(paddr_t); 97 98 #endif /* !_ARM_ARM_FDTVAR_H */ 99