1 /*- 2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org> 3 * Copyright (c) 2015-2016 Emmanuel Vadot <manu@freebsd.org> 4 * All rights reserved. 5 * 6 * This code is derived from software written for Brini by Mark Brinicombe 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 30 * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c 31 */ 32 33 #include "opt_ddb.h" 34 #include "opt_platform.h" 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/bus.h> 42 #include <sys/devmap.h> 43 44 #include <vm/vm.h> 45 #include <vm/pmap.h> 46 47 #include <machine/bus.h> 48 #include <machine/machdep.h> 49 #include <machine/platformvar.h> 50 51 #include <arm/allwinner/aw_mp.h> 52 #include <arm/allwinner/aw_wdog.h> 53 #include <arm/allwinner/aw_machdep.h> 54 55 #include "platform_if.h" 56 57 static u_int soc_type; 58 static u_int soc_family; 59 60 static int 61 a10_attach(platform_t plat) 62 { 63 soc_type = ALLWINNERSOC_A10; 64 soc_family = ALLWINNERSOC_SUN4I; 65 return (0); 66 } 67 68 static int 69 a13_attach(platform_t plat) 70 { 71 soc_type = ALLWINNERSOC_A13; 72 soc_family = ALLWINNERSOC_SUN5I; 73 return (0); 74 } 75 76 static int 77 a20_attach(platform_t plat) 78 { 79 soc_type = ALLWINNERSOC_A20; 80 soc_family = ALLWINNERSOC_SUN7I; 81 82 return (0); 83 } 84 85 static int 86 a31_attach(platform_t plat) 87 { 88 soc_type = ALLWINNERSOC_A31; 89 soc_family = ALLWINNERSOC_SUN6I; 90 91 return (0); 92 } 93 94 static int 95 a31s_attach(platform_t plat) 96 { 97 soc_type = ALLWINNERSOC_A31S; 98 soc_family = ALLWINNERSOC_SUN6I; 99 100 return (0); 101 } 102 103 static int 104 a83t_attach(platform_t plat) 105 { 106 soc_type = ALLWINNERSOC_A83T; 107 soc_family = ALLWINNERSOC_SUN8I; 108 109 return (0); 110 } 111 112 static int 113 h3_attach(platform_t plat) 114 { 115 soc_type = ALLWINNERSOC_H3; 116 soc_family = ALLWINNERSOC_SUN8I; 117 118 return (0); 119 } 120 121 static vm_offset_t 122 allwinner_lastaddr(platform_t plat) 123 { 124 125 return (devmap_lastaddr()); 126 } 127 128 /* 129 * Set up static device mappings. 130 * 131 * This covers all the on-chip device with 1MB section mappings, which is good 132 * for performance (uses fewer TLB entries for device access). 133 * 134 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe 135 * shouldn't be device-mapped. The original code mapped a 4MB block, but 136 * perhaps a 1MB block would be more appropriate. 137 */ 138 static int 139 allwinner_devmap_init(platform_t plat) 140 { 141 142 devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */ 143 144 return (0); 145 } 146 147 static void 148 allwinner_cpu_reset(platform_t plat) 149 { 150 aw_wdog_watchdog_reset(); 151 printf("Reset failed!\n"); 152 while (1); 153 } 154 155 #if defined(SOC_ALLWINNER_A10) 156 static platform_method_t a10_methods[] = { 157 PLATFORMMETHOD(platform_attach, a10_attach), 158 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 159 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 160 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 161 162 PLATFORMMETHOD_END, 163 }; 164 FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200); 165 #endif 166 167 #if defined(SOC_ALLWINNER_A13) 168 static platform_method_t a13_methods[] = { 169 PLATFORMMETHOD(platform_attach, a13_attach), 170 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 171 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 172 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 173 174 PLATFORMMETHOD_END, 175 }; 176 FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200); 177 #endif 178 179 #if defined(SOC_ALLWINNER_A20) 180 static platform_method_t a20_methods[] = { 181 PLATFORMMETHOD(platform_attach, a20_attach), 182 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 183 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 184 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 185 186 #ifdef SMP 187 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 188 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 189 #endif 190 PLATFORMMETHOD_END, 191 }; 192 FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200); 193 #endif 194 195 #if defined(SOC_ALLWINNER_A31) 196 static platform_method_t a31_methods[] = { 197 PLATFORMMETHOD(platform_attach, a31_attach), 198 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 199 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 200 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 201 202 #ifdef SMP 203 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 204 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 205 #endif 206 PLATFORMMETHOD_END, 207 }; 208 FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200); 209 #endif 210 211 #if defined(SOC_ALLWINNER_A31S) 212 static platform_method_t a31s_methods[] = { 213 PLATFORMMETHOD(platform_attach, a31s_attach), 214 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 215 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 216 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 217 218 #ifdef SMP 219 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 220 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 221 #endif 222 PLATFORMMETHOD_END, 223 }; 224 FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200); 225 #endif 226 227 #if defined(SOC_ALLWINNER_A83T) 228 static platform_method_t a83t_methods[] = { 229 PLATFORMMETHOD(platform_attach, a83t_attach), 230 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 231 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 232 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 233 234 #ifdef SMP 235 PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap), 236 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 237 #endif 238 PLATFORMMETHOD_END, 239 }; 240 FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200); 241 #endif 242 243 #if defined(SOC_ALLWINNER_H3) 244 static platform_method_t h3_methods[] = { 245 PLATFORMMETHOD(platform_attach, h3_attach), 246 PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr), 247 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 248 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 249 250 #ifdef SMP 251 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 252 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 253 #endif 254 PLATFORMMETHOD_END, 255 }; 256 FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200); 257 #endif 258 259 u_int 260 allwinner_soc_type(void) 261 { 262 return (soc_type); 263 } 264 265 u_int 266 allwinner_soc_family(void) 267 { 268 return (soc_family); 269 } 270