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 platform_attach_t a10_attach; 58 static platform_attach_t a13_attach; 59 static platform_attach_t a20_attach; 60 static platform_attach_t a31_attach; 61 static platform_attach_t a31s_attach; 62 static platform_attach_t a83t_attach; 63 static platform_attach_t h3_attach; 64 static platform_devmap_init_t allwinner_devmap_init; 65 static platform_cpu_reset_t allwinner_cpu_reset; 66 67 static u_int soc_type; 68 static u_int soc_family; 69 70 static int 71 a10_attach(platform_t plat) 72 { 73 soc_type = ALLWINNERSOC_A10; 74 soc_family = ALLWINNERSOC_SUN4I; 75 return (0); 76 } 77 78 static int 79 a13_attach(platform_t plat) 80 { 81 soc_type = ALLWINNERSOC_A13; 82 soc_family = ALLWINNERSOC_SUN5I; 83 return (0); 84 } 85 86 static int 87 a20_attach(platform_t plat) 88 { 89 soc_type = ALLWINNERSOC_A20; 90 soc_family = ALLWINNERSOC_SUN7I; 91 92 return (0); 93 } 94 95 static int 96 a31_attach(platform_t plat) 97 { 98 soc_type = ALLWINNERSOC_A31; 99 soc_family = ALLWINNERSOC_SUN6I; 100 101 return (0); 102 } 103 104 static int 105 a31s_attach(platform_t plat) 106 { 107 soc_type = ALLWINNERSOC_A31S; 108 soc_family = ALLWINNERSOC_SUN6I; 109 110 return (0); 111 } 112 113 static int 114 a83t_attach(platform_t plat) 115 { 116 soc_type = ALLWINNERSOC_A83T; 117 soc_family = ALLWINNERSOC_SUN8I; 118 119 return (0); 120 } 121 122 static int 123 h3_attach(platform_t plat) 124 { 125 soc_type = ALLWINNERSOC_H3; 126 soc_family = ALLWINNERSOC_SUN8I; 127 128 return (0); 129 } 130 131 /* 132 * Set up static device mappings. 133 * 134 * This covers all the on-chip device with 1MB section mappings, which is good 135 * for performance (uses fewer TLB entries for device access). 136 * 137 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe 138 * shouldn't be device-mapped. The original code mapped a 4MB block, but 139 * perhaps a 1MB block would be more appropriate. 140 */ 141 static int 142 allwinner_devmap_init(platform_t plat) 143 { 144 145 devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */ 146 147 return (0); 148 } 149 150 static void 151 allwinner_cpu_reset(platform_t plat) 152 { 153 aw_wdog_watchdog_reset(); 154 printf("Reset failed!\n"); 155 while (1); 156 } 157 158 #if defined(SOC_ALLWINNER_A10) 159 static platform_method_t a10_methods[] = { 160 PLATFORMMETHOD(platform_attach, a10_attach), 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_devmap_init, allwinner_devmap_init), 173 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 174 175 PLATFORMMETHOD_END, 176 }; 177 FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200); 178 #endif 179 180 #if defined(SOC_ALLWINNER_A20) 181 static platform_method_t a20_methods[] = { 182 PLATFORMMETHOD(platform_attach, a20_attach), 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_devmap_init, allwinner_devmap_init), 199 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 200 201 #ifdef SMP 202 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 203 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 204 #endif 205 PLATFORMMETHOD_END, 206 }; 207 FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200); 208 #endif 209 210 #if defined(SOC_ALLWINNER_A31S) 211 static platform_method_t a31s_methods[] = { 212 PLATFORMMETHOD(platform_attach, a31s_attach), 213 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 214 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 215 216 #ifdef SMP 217 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 218 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 219 #endif 220 PLATFORMMETHOD_END, 221 }; 222 FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200); 223 #endif 224 225 #if defined(SOC_ALLWINNER_A83T) 226 static platform_method_t a83t_methods[] = { 227 PLATFORMMETHOD(platform_attach, a83t_attach), 228 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 229 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 230 231 #ifdef SMP 232 PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap), 233 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 234 #endif 235 PLATFORMMETHOD_END, 236 }; 237 FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200); 238 #endif 239 240 #if defined(SOC_ALLWINNER_H3) 241 static platform_method_t h3_methods[] = { 242 PLATFORMMETHOD(platform_attach, h3_attach), 243 PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init), 244 PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset), 245 246 #ifdef SMP 247 PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap), 248 PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid), 249 #endif 250 PLATFORMMETHOD_END, 251 }; 252 FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200); 253 #endif 254 255 u_int 256 allwinner_soc_type(void) 257 { 258 return (soc_type); 259 } 260 261 u_int 262 allwinner_soc_family(void) 263 { 264 return (soc_family); 265 } 266