1 /* 2 * Copyright 2009-2012 Freescale Semiconductor, Inc. 3 * 4 * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and 5 * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains 6 * cpu specific common code for 85xx/86xx processors. 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <config.h> 11 #include <common.h> 12 #include <command.h> 13 #include <tsec.h> 14 #include <fm_eth.h> 15 #include <netdev.h> 16 #include <asm/cache.h> 17 #include <asm/io.h> 18 #include <vsc9953.h> 19 20 DECLARE_GLOBAL_DATA_PTR; 21 22 static struct cpu_type cpu_type_list[] = { 23 #if defined(CONFIG_MPC85xx) 24 CPU_TYPE_ENTRY(8533, 8533, 1), 25 CPU_TYPE_ENTRY(8535, 8535, 1), 26 CPU_TYPE_ENTRY(8536, 8536, 1), 27 CPU_TYPE_ENTRY(8540, 8540, 1), 28 CPU_TYPE_ENTRY(8541, 8541, 1), 29 CPU_TYPE_ENTRY(8543, 8543, 1), 30 CPU_TYPE_ENTRY(8544, 8544, 1), 31 CPU_TYPE_ENTRY(8545, 8545, 1), 32 CPU_TYPE_ENTRY(8547, 8547, 1), 33 CPU_TYPE_ENTRY(8548, 8548, 1), 34 CPU_TYPE_ENTRY(8555, 8555, 1), 35 CPU_TYPE_ENTRY(8560, 8560, 1), 36 CPU_TYPE_ENTRY(8567, 8567, 1), 37 CPU_TYPE_ENTRY(8568, 8568, 1), 38 CPU_TYPE_ENTRY(8569, 8569, 1), 39 CPU_TYPE_ENTRY(8572, 8572, 2), 40 CPU_TYPE_ENTRY(P1010, P1010, 1), 41 CPU_TYPE_ENTRY(P1011, P1011, 1), 42 CPU_TYPE_ENTRY(P1012, P1012, 1), 43 CPU_TYPE_ENTRY(P1013, P1013, 1), 44 CPU_TYPE_ENTRY(P1014, P1014, 1), 45 CPU_TYPE_ENTRY(P1017, P1017, 1), 46 CPU_TYPE_ENTRY(P1020, P1020, 2), 47 CPU_TYPE_ENTRY(P1021, P1021, 2), 48 CPU_TYPE_ENTRY(P1022, P1022, 2), 49 CPU_TYPE_ENTRY(P1023, P1023, 2), 50 CPU_TYPE_ENTRY(P1024, P1024, 2), 51 CPU_TYPE_ENTRY(P1025, P1025, 2), 52 CPU_TYPE_ENTRY(P2010, P2010, 1), 53 CPU_TYPE_ENTRY(P2020, P2020, 2), 54 CPU_TYPE_ENTRY(P2040, P2040, 4), 55 CPU_TYPE_ENTRY(P2041, P2041, 4), 56 CPU_TYPE_ENTRY(P3041, P3041, 4), 57 CPU_TYPE_ENTRY(P4040, P4040, 4), 58 CPU_TYPE_ENTRY(P4080, P4080, 8), 59 CPU_TYPE_ENTRY(P5010, P5010, 1), 60 CPU_TYPE_ENTRY(P5020, P5020, 2), 61 CPU_TYPE_ENTRY(P5021, P5021, 2), 62 CPU_TYPE_ENTRY(P5040, P5040, 4), 63 CPU_TYPE_ENTRY(T4240, T4240, 0), 64 CPU_TYPE_ENTRY(T4120, T4120, 0), 65 CPU_TYPE_ENTRY(T4160, T4160, 0), 66 CPU_TYPE_ENTRY(T4080, T4080, 4), 67 CPU_TYPE_ENTRY(B4860, B4860, 0), 68 CPU_TYPE_ENTRY(G4860, G4860, 0), 69 CPU_TYPE_ENTRY(B4440, B4440, 0), 70 CPU_TYPE_ENTRY(B4460, B4460, 0), 71 CPU_TYPE_ENTRY(G4440, G4440, 0), 72 CPU_TYPE_ENTRY(B4420, B4420, 0), 73 CPU_TYPE_ENTRY(B4220, B4220, 0), 74 CPU_TYPE_ENTRY(T1040, T1040, 0), 75 CPU_TYPE_ENTRY(T1041, T1041, 0), 76 CPU_TYPE_ENTRY(T1042, T1042, 0), 77 CPU_TYPE_ENTRY(T1020, T1020, 0), 78 CPU_TYPE_ENTRY(T1021, T1021, 0), 79 CPU_TYPE_ENTRY(T1022, T1022, 0), 80 CPU_TYPE_ENTRY(T1024, T1024, 0), 81 CPU_TYPE_ENTRY(T1023, T1023, 0), 82 CPU_TYPE_ENTRY(T1014, T1014, 0), 83 CPU_TYPE_ENTRY(T1013, T1013, 0), 84 CPU_TYPE_ENTRY(T2080, T2080, 0), 85 CPU_TYPE_ENTRY(T2081, T2081, 0), 86 CPU_TYPE_ENTRY(BSC9130, 9130, 1), 87 CPU_TYPE_ENTRY(BSC9131, 9131, 1), 88 CPU_TYPE_ENTRY(BSC9132, 9132, 2), 89 CPU_TYPE_ENTRY(BSC9232, 9232, 2), 90 CPU_TYPE_ENTRY(C291, C291, 1), 91 CPU_TYPE_ENTRY(C292, C292, 1), 92 CPU_TYPE_ENTRY(C293, C293, 1), 93 #elif defined(CONFIG_MPC86xx) 94 CPU_TYPE_ENTRY(8610, 8610, 1), 95 CPU_TYPE_ENTRY(8641, 8641, 2), 96 CPU_TYPE_ENTRY(8641D, 8641D, 2), 97 #endif 98 }; 99 100 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 101 static inline u32 init_type(u32 cluster, int init_id) 102 { 103 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 104 u32 idx = (cluster >> (init_id * 8)) & TP_CLUSTER_INIT_MASK; 105 u32 type = in_be32(&gur->tp_ityp[idx]); 106 107 if (type & TP_ITYP_AV) 108 return type; 109 110 return 0; 111 } 112 113 u32 compute_ppc_cpumask(void) 114 { 115 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 116 int i = 0, count = 0; 117 u32 cluster, type, mask = 0; 118 119 do { 120 int j; 121 cluster = in_be32(&gur->tp_cluster[i].lower); 122 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 123 type = init_type(cluster, j); 124 if (type) { 125 if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC) 126 mask |= 1 << count; 127 count++; 128 } 129 } 130 i++; 131 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 132 133 return mask; 134 } 135 136 #ifdef CONFIG_HETROGENOUS_CLUSTERS 137 u32 compute_dsp_cpumask(void) 138 { 139 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 140 int i = CONFIG_DSP_CLUSTER_START, count = 0; 141 u32 cluster, type, dsp_mask = 0; 142 143 do { 144 int j; 145 cluster = in_be32(&gur->tp_cluster[i].lower); 146 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 147 type = init_type(cluster, j); 148 if (type) { 149 if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_SC) 150 dsp_mask |= 1 << count; 151 count++; 152 } 153 } 154 i++; 155 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 156 157 return dsp_mask; 158 } 159 160 int fsl_qoriq_dsp_core_to_cluster(unsigned int core) 161 { 162 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 163 int count = 0, i = CONFIG_DSP_CLUSTER_START; 164 u32 cluster; 165 166 do { 167 int j; 168 cluster = in_be32(&gur->tp_cluster[i].lower); 169 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 170 if (init_type(cluster, j)) { 171 if (count == core) 172 return i; 173 count++; 174 } 175 } 176 i++; 177 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 178 179 return -1; /* cannot identify the cluster */ 180 } 181 #endif 182 183 int fsl_qoriq_core_to_cluster(unsigned int core) 184 { 185 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 186 int i = 0, count = 0; 187 u32 cluster; 188 189 do { 190 int j; 191 cluster = in_be32(&gur->tp_cluster[i].lower); 192 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 193 if (init_type(cluster, j)) { 194 if (count == core) 195 return i; 196 count++; 197 } 198 } 199 i++; 200 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 201 202 return -1; /* cannot identify the cluster */ 203 } 204 205 #else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ 206 /* 207 * Before chassis genenration 2, the cpumask should be hard-coded. 208 * In case of cpu type unknown or cpumask unset, use 1 as fail save. 209 */ 210 #define compute_ppc_cpumask() 1 211 #define fsl_qoriq_core_to_cluster(x) x 212 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ 213 214 static struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 0); 215 216 struct cpu_type *identify_cpu(u32 ver) 217 { 218 int i; 219 for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) { 220 if (cpu_type_list[i].soc_ver == ver) 221 return &cpu_type_list[i]; 222 } 223 return &cpu_type_unknown; 224 } 225 226 #define MPC8xxx_PICFRR_NCPU_MASK 0x00001f00 227 #define MPC8xxx_PICFRR_NCPU_SHIFT 8 228 229 /* 230 * Return a 32-bit mask indicating which cores are present on this SOC. 231 */ 232 __weak u32 cpu_mask(void) 233 { 234 ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR; 235 struct cpu_type *cpu = gd->arch.cpu; 236 237 /* better to query feature reporting register than just assume 1 */ 238 if (cpu == &cpu_type_unknown) 239 return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >> 240 MPC8xxx_PICFRR_NCPU_SHIFT) + 1; 241 242 if (cpu->num_cores == 0) 243 return compute_ppc_cpumask(); 244 245 return cpu->mask; 246 } 247 248 #ifdef CONFIG_HETROGENOUS_CLUSTERS 249 __weak u32 cpu_dsp_mask(void) 250 { 251 ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR; 252 struct cpu_type *cpu = gd->arch.cpu; 253 254 /* better to query feature reporting register than just assume 1 */ 255 if (cpu == &cpu_type_unknown) 256 return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >> 257 MPC8xxx_PICFRR_NCPU_SHIFT) + 1; 258 259 if (cpu->dsp_num_cores == 0) 260 return compute_dsp_cpumask(); 261 262 return cpu->dsp_mask; 263 } 264 265 /* 266 * Return the number of SC/DSP cores on this SOC. 267 */ 268 __weak int cpu_num_dspcores(void) 269 { 270 struct cpu_type *cpu = gd->arch.cpu; 271 272 /* 273 * Report # of cores in terms of the cpu_mask if we haven't 274 * figured out how many there are yet 275 */ 276 if (cpu->dsp_num_cores == 0) 277 return hweight32(cpu_dsp_mask()); 278 279 return cpu->dsp_num_cores; 280 } 281 #endif 282 283 /* 284 * Return the number of PPC cores on this SOC. 285 */ 286 __weak int cpu_numcores(void) 287 { 288 struct cpu_type *cpu = gd->arch.cpu; 289 290 /* 291 * Report # of cores in terms of the cpu_mask if we haven't 292 * figured out how many there are yet 293 */ 294 if (cpu->num_cores == 0) 295 return hweight32(cpu_mask()); 296 297 return cpu->num_cores; 298 } 299 300 301 /* 302 * Check if the given core ID is valid 303 * 304 * Returns zero if it isn't, 1 if it is. 305 */ 306 int is_core_valid(unsigned int core) 307 { 308 return !!((1 << core) & cpu_mask()); 309 } 310 311 int probecpu (void) 312 { 313 uint svr; 314 uint ver; 315 316 svr = get_svr(); 317 ver = SVR_SOC_VER(svr); 318 319 gd->arch.cpu = identify_cpu(ver); 320 321 return 0; 322 } 323 324 /* Once in memory, compute mask & # cores once and save them off */ 325 int fixup_cpu(void) 326 { 327 struct cpu_type *cpu = gd->arch.cpu; 328 329 if (cpu->num_cores == 0) { 330 cpu->mask = cpu_mask(); 331 cpu->num_cores = cpu_numcores(); 332 } 333 334 #ifdef CONFIG_HETROGENOUS_CLUSTERS 335 if (cpu->dsp_num_cores == 0) { 336 cpu->dsp_mask = cpu_dsp_mask(); 337 cpu->dsp_num_cores = cpu_num_dspcores(); 338 } 339 #endif 340 return 0; 341 } 342 343 /* 344 * Initializes on-chip ethernet controllers. 345 * to override, implement board_eth_init() 346 */ 347 int cpu_eth_init(bd_t *bis) 348 { 349 #if defined(CONFIG_ETHER_ON_FCC) 350 fec_initialize(bis); 351 #endif 352 353 #if defined(CONFIG_UEC_ETH) 354 uec_standard_init(bis); 355 #endif 356 357 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC) 358 tsec_standard_init(bis); 359 #endif 360 361 #ifdef CONFIG_FMAN_ENET 362 fm_standard_init(bis); 363 #endif 364 365 #ifdef CONFIG_VSC9953 366 vsc9953_init(bis); 367 #endif 368 return 0; 369 } 370