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