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 19 DECLARE_GLOBAL_DATA_PTR; 20 21 static struct cpu_type cpu_type_list[] = { 22 #if defined(CONFIG_MPC85xx) 23 CPU_TYPE_ENTRY(8533, 8533, 1), 24 CPU_TYPE_ENTRY(8535, 8535, 1), 25 CPU_TYPE_ENTRY(8536, 8536, 1), 26 CPU_TYPE_ENTRY(8540, 8540, 1), 27 CPU_TYPE_ENTRY(8541, 8541, 1), 28 CPU_TYPE_ENTRY(8543, 8543, 1), 29 CPU_TYPE_ENTRY(8544, 8544, 1), 30 CPU_TYPE_ENTRY(8545, 8545, 1), 31 CPU_TYPE_ENTRY(8547, 8547, 1), 32 CPU_TYPE_ENTRY(8548, 8548, 1), 33 CPU_TYPE_ENTRY(8555, 8555, 1), 34 CPU_TYPE_ENTRY(8560, 8560, 1), 35 CPU_TYPE_ENTRY(8567, 8567, 1), 36 CPU_TYPE_ENTRY(8568, 8568, 1), 37 CPU_TYPE_ENTRY(8569, 8569, 1), 38 CPU_TYPE_ENTRY(8572, 8572, 2), 39 CPU_TYPE_ENTRY(P1010, P1010, 1), 40 CPU_TYPE_ENTRY(P1011, P1011, 1), 41 CPU_TYPE_ENTRY(P1012, P1012, 1), 42 CPU_TYPE_ENTRY(P1013, P1013, 1), 43 CPU_TYPE_ENTRY(P1014, P1014, 1), 44 CPU_TYPE_ENTRY(P1017, P1017, 1), 45 CPU_TYPE_ENTRY(P1020, P1020, 2), 46 CPU_TYPE_ENTRY(P1021, P1021, 2), 47 CPU_TYPE_ENTRY(P1022, P1022, 2), 48 CPU_TYPE_ENTRY(P1023, P1023, 2), 49 CPU_TYPE_ENTRY(P1024, P1024, 2), 50 CPU_TYPE_ENTRY(P1025, P1025, 2), 51 CPU_TYPE_ENTRY(P2010, P2010, 1), 52 CPU_TYPE_ENTRY(P2020, P2020, 2), 53 CPU_TYPE_ENTRY(P2040, P2040, 4), 54 CPU_TYPE_ENTRY(P2041, P2041, 4), 55 CPU_TYPE_ENTRY(P3041, P3041, 4), 56 CPU_TYPE_ENTRY(P4040, P4040, 4), 57 CPU_TYPE_ENTRY(P4080, P4080, 8), 58 CPU_TYPE_ENTRY(P5010, P5010, 1), 59 CPU_TYPE_ENTRY(P5020, P5020, 2), 60 CPU_TYPE_ENTRY(P5021, P5021, 2), 61 CPU_TYPE_ENTRY(P5040, P5040, 4), 62 CPU_TYPE_ENTRY(T4240, T4240, 0), 63 CPU_TYPE_ENTRY(T4120, T4120, 0), 64 CPU_TYPE_ENTRY(T4160, T4160, 0), 65 CPU_TYPE_ENTRY(T4080, T4080, 4), 66 CPU_TYPE_ENTRY(B4860, B4860, 0), 67 CPU_TYPE_ENTRY(G4860, G4860, 0), 68 CPU_TYPE_ENTRY(B4440, B4440, 0), 69 CPU_TYPE_ENTRY(B4460, B4460, 0), 70 CPU_TYPE_ENTRY(G4440, G4440, 0), 71 CPU_TYPE_ENTRY(B4420, B4420, 0), 72 CPU_TYPE_ENTRY(B4220, B4220, 0), 73 CPU_TYPE_ENTRY(T1040, T1040, 0), 74 CPU_TYPE_ENTRY(T1041, T1041, 0), 75 CPU_TYPE_ENTRY(T1042, T1042, 0), 76 CPU_TYPE_ENTRY(T1020, T1020, 0), 77 CPU_TYPE_ENTRY(T1021, T1021, 0), 78 CPU_TYPE_ENTRY(T1022, T1022, 0), 79 CPU_TYPE_ENTRY(T2080, T2080, 0), 80 CPU_TYPE_ENTRY(T2081, T2081, 0), 81 CPU_TYPE_ENTRY(BSC9130, 9130, 1), 82 CPU_TYPE_ENTRY(BSC9131, 9131, 1), 83 CPU_TYPE_ENTRY(BSC9132, 9132, 2), 84 CPU_TYPE_ENTRY(BSC9232, 9232, 2), 85 CPU_TYPE_ENTRY(C291, C291, 1), 86 CPU_TYPE_ENTRY(C292, C292, 1), 87 CPU_TYPE_ENTRY(C293, C293, 1), 88 #elif defined(CONFIG_MPC86xx) 89 CPU_TYPE_ENTRY(8610, 8610, 1), 90 CPU_TYPE_ENTRY(8641, 8641, 2), 91 CPU_TYPE_ENTRY(8641D, 8641D, 2), 92 #endif 93 }; 94 95 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 96 static inline u32 init_type(u32 cluster, int init_id) 97 { 98 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 99 u32 idx = (cluster >> (init_id * 8)) & TP_CLUSTER_INIT_MASK; 100 u32 type = in_be32(&gur->tp_ityp[idx]); 101 102 if (type & TP_ITYP_AV) 103 return type; 104 105 return 0; 106 } 107 108 u32 compute_ppc_cpumask(void) 109 { 110 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 111 int i = 0, count = 0; 112 u32 cluster, type, mask = 0; 113 114 do { 115 int j; 116 cluster = in_be32(&gur->tp_cluster[i].lower); 117 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 118 type = init_type(cluster, j); 119 if (type) { 120 if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC) 121 mask |= 1 << count; 122 count++; 123 } 124 } 125 i++; 126 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 127 128 return mask; 129 } 130 131 int fsl_qoriq_core_to_cluster(unsigned int core) 132 { 133 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 134 int i = 0, count = 0; 135 u32 cluster; 136 137 do { 138 int j; 139 cluster = in_be32(&gur->tp_cluster[i].lower); 140 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) { 141 if (init_type(cluster, j)) { 142 if (count == core) 143 return i; 144 count++; 145 } 146 } 147 i++; 148 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); 149 150 return -1; /* cannot identify the cluster */ 151 } 152 153 #else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ 154 /* 155 * Before chassis genenration 2, the cpumask should be hard-coded. 156 * In case of cpu type unknown or cpumask unset, use 1 as fail save. 157 */ 158 #define compute_ppc_cpumask() 1 159 #define fsl_qoriq_core_to_cluster(x) x 160 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ 161 162 static struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 0); 163 164 struct cpu_type *identify_cpu(u32 ver) 165 { 166 int i; 167 for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) { 168 if (cpu_type_list[i].soc_ver == ver) 169 return &cpu_type_list[i]; 170 } 171 return &cpu_type_unknown; 172 } 173 174 #define MPC8xxx_PICFRR_NCPU_MASK 0x00001f00 175 #define MPC8xxx_PICFRR_NCPU_SHIFT 8 176 177 /* 178 * Return a 32-bit mask indicating which cores are present on this SOC. 179 */ 180 __weak u32 cpu_mask(void) 181 { 182 ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR; 183 struct cpu_type *cpu = gd->arch.cpu; 184 185 /* better to query feature reporting register than just assume 1 */ 186 if (cpu == &cpu_type_unknown) 187 return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >> 188 MPC8xxx_PICFRR_NCPU_SHIFT) + 1; 189 190 if (cpu->num_cores == 0) 191 return compute_ppc_cpumask(); 192 193 return cpu->mask; 194 } 195 196 /* 197 * Return the number of cores on this SOC. 198 */ 199 __weak int cpu_numcores(void) 200 { 201 struct cpu_type *cpu = gd->arch.cpu; 202 203 /* 204 * Report # of cores in terms of the cpu_mask if we haven't 205 * figured out how many there are yet 206 */ 207 if (cpu->num_cores == 0) 208 return hweight32(cpu_mask()); 209 210 return cpu->num_cores; 211 } 212 213 /* 214 * Check if the given core ID is valid 215 * 216 * Returns zero if it isn't, 1 if it is. 217 */ 218 int is_core_valid(unsigned int core) 219 { 220 return !!((1 << core) & cpu_mask()); 221 } 222 223 int probecpu (void) 224 { 225 uint svr; 226 uint ver; 227 228 svr = get_svr(); 229 ver = SVR_SOC_VER(svr); 230 231 gd->arch.cpu = identify_cpu(ver); 232 233 return 0; 234 } 235 236 /* Once in memory, compute mask & # cores once and save them off */ 237 int fixup_cpu(void) 238 { 239 struct cpu_type *cpu = gd->arch.cpu; 240 241 if (cpu->num_cores == 0) { 242 cpu->mask = cpu_mask(); 243 cpu->num_cores = cpu_numcores(); 244 } 245 246 return 0; 247 } 248 249 /* 250 * Initializes on-chip ethernet controllers. 251 * to override, implement board_eth_init() 252 */ 253 int cpu_eth_init(bd_t *bis) 254 { 255 #if defined(CONFIG_ETHER_ON_FCC) 256 fec_initialize(bis); 257 #endif 258 259 #if defined(CONFIG_UEC_ETH) 260 uec_standard_init(bis); 261 #endif 262 263 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC) 264 tsec_standard_init(bis); 265 #endif 266 267 #ifdef CONFIG_FMAN_ENET 268 fm_standard_init(bis); 269 #endif 270 return 0; 271 } 272