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/param.h> 37 #include <sys/systm.h> 38 #include <sys/bus.h> 39 #include <sys/devmap.h> 40 41 #include <vm/vm.h> 42 #include <vm/pmap.h> 43 44 #include <machine/bus.h> 45 #include <machine/machdep.h> 46 #include <machine/platformvar.h> 47 48 #include <arm/allwinner/aw_mp.h> 49 #include <arm/allwinner/aw_wdog.h> 50 #include <arm/allwinner/aw_machdep.h> 51 52 #include "platform_if.h" 53 54 static platform_attach_t a10_attach; 55 static platform_attach_t a13_attach; 56 static platform_attach_t a20_attach; 57 static platform_attach_t a31_attach; 58 static platform_attach_t a31s_attach; 59 static platform_attach_t a83t_attach; 60 static platform_attach_t h3_attach; 61 static platform_devmap_init_t allwinner_devmap_init; 62 static platform_cpu_reset_t allwinner_cpu_reset; 63 64 static u_int soc_type; 65 static u_int soc_family; 66 67 static int 68 a10_attach(platform_t plat) 69 { 70 soc_type = ALLWINNERSOC_A10; 71 soc_family = ALLWINNERSOC_SUN4I; 72 return (0); 73 } 74 75 static int 76 a13_attach(platform_t plat) 77 { 78 soc_type = ALLWINNERSOC_A13; 79 soc_family = ALLWINNERSOC_SUN5I; 80 return (0); 81 } 82 83 static int 84 a20_attach(platform_t plat) 85 { 86 soc_type = ALLWINNERSOC_A20; 87 soc_family = ALLWINNERSOC_SUN7I; 88 89 return (0); 90 } 91 92 static int 93 a31_attach(platform_t plat) 94 { 95 soc_type = ALLWINNERSOC_A31; 96 soc_family = ALLWINNERSOC_SUN6I; 97 98 return (0); 99 } 100 101 static int 102 a31s_attach(platform_t plat) 103 { 104 soc_type = ALLWINNERSOC_A31S; 105 soc_family = ALLWINNERSOC_SUN6I; 106 107 return (0); 108 } 109 110 static int 111 a33_attach(platform_t plat) 112 { 113 soc_type = ALLWINNERSOC_A33; 114 soc_family = ALLWINNERSOC_SUN8I; 115 116 return (0); 117 } 118 119 static int 120 a83t_attach(platform_t plat) 121 { 122 soc_type = ALLWINNERSOC_A83T; 123 soc_family = ALLWINNERSOC_SUN8I; 124 125 return (0); 126 } 127 128 static int 129 h3_attach(platform_t plat) 130 { 131 soc_type = ALLWINNERSOC_H3; 132 soc_family = ALLWINNERSOC_SUN8I; 133 134 return (0); 135 } 136 137 /* 138 * Set up static device mappings. 139 * 140 * This covers all the on-chip device with 1MB section mappings, which is good 141 * for performance (uses fewer TLB entries for device access). 142 * 143 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe 144 * shouldn't be device-mapped. The original code mapped a 4MB block, but 145 * perhaps a 1MB block would be more appropriate. 146 */ 147 static int 148 allwinner_devmap_init(platform_t plat) 149 { 150 151 devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */ 152 153 return (0); 154 } 155 156 static void 157 allwinner_cpu_reset(platform_t plat) 158 { 159 aw_wdog_watchdog_reset(); 160 printf("Reset failed!\n"); 161 while (1); 162 } 163 164 #if defined(SOC_ALLWINNER_A10) 165 static platform_method_t a10_methods[] = { 166 PLATFORMMETHOD(platform_attach, a10_attach), 167 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 168 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 169 170 PLATFORMMETHOD_END, 171 }; 172 FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200); 173 #endif 174 175 #if defined(SOC_ALLWINNER_A13) 176 static platform_method_t a13_methods[] = { 177 PLATFORMMETHOD(platform_attach, a13_attach), 178 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 179 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 180 181 PLATFORMMETHOD_END, 182 }; 183 FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200); 184 #endif 185 186 #if defined(SOC_ALLWINNER_A20) 187 static platform_method_t a20_methods[] = { 188 PLATFORMMETHOD(platform_attach, a20_attach), 189 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 190 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 191 192 #ifdef SMP 193 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 194 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 195 #endif 196 PLATFORMMETHOD_END, 197 }; 198 FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200); 199 #endif 200 201 #if defined(SOC_ALLWINNER_A31) 202 static platform_method_t a31_methods[] = { 203 PLATFORMMETHOD(platform_attach, a31_attach), 204 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 205 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 206 207 #ifdef SMP 208 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 209 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 210 #endif 211 PLATFORMMETHOD_END, 212 }; 213 FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200); 214 #endif 215 216 #if defined(SOC_ALLWINNER_A31S) 217 static platform_method_t a31s_methods[] = { 218 PLATFORMMETHOD(platform_attach, a31s_attach), 219 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 220 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 221 222 #ifdef SMP 223 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 224 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 225 #endif 226 PLATFORMMETHOD_END, 227 }; 228 FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200); 229 #endif 230 231 #if defined(SOC_ALLWINNER_A33) 232 static platform_method_t a33_methods[] = { 233 PLATFORMMETHOD(platform_attach, a33_attach), 234 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 235 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 236 237 #ifdef SMP 238 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 239 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 240 #endif 241 PLATFORMMETHOD_END, 242 }; 243 FDT_PLATFORM_DEF(a33, "a33", 0, "allwinner,sun8i-a33", 200); 244 #endif 245 246 #if defined(SOC_ALLWINNER_A83T) 247 static platform_method_t a83t_methods[] = { 248 PLATFORMMETHOD(platform_attach, a83t_attach), 249 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 250 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 251 252 #ifdef SMP 253 PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap), 254 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 255 #endif 256 PLATFORMMETHOD_END, 257 }; 258 FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200); 259 #endif 260 261 #if defined(SOC_ALLWINNER_H2PLUS) 262 static platform_method_t h2_plus_methods[] = { 263 PLATFORMMETHOD(platform_attach, h3_attach), 264 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 265 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 266 267 #ifdef SMP 268 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 269 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 270 #endif 271 PLATFORMMETHOD_END, 272 }; 273 FDT_PLATFORM_DEF(h2_plus, "h2_plus", 0, "allwinner,sun8i-h2-plus", 200); 274 #endif 275 276 #if defined(SOC_ALLWINNER_H3) 277 static platform_method_t h3_methods[] = { 278 PLATFORMMETHOD(platform_attach, h3_attach), 279 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 280 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 281 282 #ifdef SMP 283 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 284 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 285 #endif 286 PLATFORMMETHOD_END, 287 }; 288 FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200); 289 #endif 290 291 u_int 292 allwinner_soc_type(void) 293 { 294 return (soc_type); 295 } 296 297 u_int 298 allwinner_soc_family(void) 299 { 300 return (soc_family); 301 } 302