arch/arm/cpu/armv8/fsl-layerscape/fdt.c

   1 /*
   2  * Copyright 2014-2015 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <efi_loader.h>
   9 #include <libfdt.h>
  10 #include <fdt_support.h>
  11 #include <phy.h>
  12 #ifdef CONFIG_FSL_LSCH3
  13 #include <asm/arch/fdt.h>
  14 #endif
  15 #ifdef CONFIG_FSL_ESDHC
  16 #include <fsl_esdhc.h>
  17 #endif
  18 #ifdef CONFIG_SYS_DPAA_FMAN
  19 #include <fsl_fman.h>
  20 #endif
  21 #ifdef CONFIG_MP
  22 #include <asm/arch/mp.h>
  23 #endif
  24 #include <fsl_sec.h>
  25 #include <asm/arch-fsl-layerscape/soc.h>
  26 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
  27 #include <asm/armv8/sec_firmware.h>
  28 #endif
  29 #include <asm/arch/speed.h>
  30 #include <fsl_qbman.h>
  31
  32 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
  33 {
  34         return fdt_setprop_string(blob, offset, "phy-connection-type",
  35                                          phy_string_for_interface(phyc));
  36 }
  37
  38 #ifdef CONFIG_MP
  39 void ft_fixup_cpu(void *blob)
  40 {
  41         int off;
  42         __maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
  43         fdt32_t *reg;
  44         int addr_cells;
  45         u64 val, core_id;
  46         size_t *boot_code_size = &(__secondary_boot_code_size);
  47         u32 mask = cpu_pos_mask();
  48         int off_prev = -1;
  49
  50         off = fdt_path_offset(blob, "/cpus");
  51         if (off < 0) {
  52                 puts("couldn't find /cpus node\n");
  53                 return;
  54         }
  55
  56         fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
  57
  58         off = fdt_node_offset_by_prop_value(blob, off_prev, "device_type",
  59                                             "cpu", 4);
  60         while (off != -FDT_ERR_NOTFOUND) {
  61                 reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
  62                 if (reg) {
  63                         core_id = fdt_read_number(reg, addr_cells);
  64                         if (!test_bit(id_to_core(core_id), &mask)) {
  65                                 fdt_del_node(blob, off);
  66                                 off = off_prev;
  67                         }
  68                 }
  69                 off_prev = off;
  70                 off = fdt_node_offset_by_prop_value(blob, off_prev,
  71                                                     "device_type", "cpu", 4);
  72         }
  73
  74 #if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
  75         defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
  76         int node;
  77         u32 psci_ver;
  78
  79         /* Check the psci version to determine if the psci is supported */
  80         psci_ver = sec_firmware_support_psci_version();
  81         if (psci_ver == 0xffffffff) {
  82                 /* remove psci DT node */
  83                 node = fdt_path_offset(blob, "/psci");
  84                 if (node >= 0)
  85                         goto remove_psci_node;
  86
  87                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci");
  88                 if (node >= 0)
  89                         goto remove_psci_node;
  90
  91                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-0.2");
  92                 if (node >= 0)
  93                         goto remove_psci_node;
  94
  95                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-1.0");
  96                 if (node >= 0)
  97                         goto remove_psci_node;
  98
  99 remove_psci_node:
 100                 if (node >= 0)
 101                         fdt_del_node(blob, node);
 102         } else {
 103                 return;
 104         }
 105 #endif
 106         off = fdt_path_offset(blob, "/cpus");
 107         if (off < 0) {
 108                 puts("couldn't find /cpus node\n");
 109                 return;
 110         }
 111         fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
 112
 113         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 114         while (off != -FDT_ERR_NOTFOUND) {
 115                 reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
 116                 if (reg) {
 117                         core_id = fdt_read_number(reg, addr_cells);
 118                         if (core_id  == 0 || (is_core_online(core_id))) {
 119                                 val = spin_tbl_addr;
 120                                 val += id_to_core(core_id) *
 121                                        SPIN_TABLE_ELEM_SIZE;
 122                                 val = cpu_to_fdt64(val);
 123                                 fdt_setprop_string(blob, off, "enable-method",
 124                                                    "spin-table");
 125                                 fdt_setprop(blob, off, "cpu-release-addr",
 126                                             &val, sizeof(val));
 127                         } else {
 128                                 debug("skipping offline core\n");
 129                         }
 130                 } else {
 131                         puts("Warning: found cpu node without reg property\n");
 132                 }
 133                 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
 134                                                     "cpu", 4);
 135         }
 136
 137         fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
 138                         *boot_code_size);
 139 #if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
 140         efi_add_memory_map((uintptr_t)&secondary_boot_code,
 141                            ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
 142                            EFI_RESERVED_MEMORY_TYPE, false);
 143 #endif
 144 }
 145 #endif
 146
 147 void fsl_fdt_disable_usb(void *blob)
 148 {
 149         int off;
 150         /*
 151          * SYSCLK is used as a reference clock for USB. When the USB
 152          * controller is used, SYSCLK must meet the additional requirement
 153          * of 100 MHz.
 154          */
 155         if (CONFIG_SYS_CLK_FREQ != 100000000) {
 156                 off = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
 157                 while (off != -FDT_ERR_NOTFOUND) {
 158                         fdt_status_disabled(blob, off);
 159                         off = fdt_node_offset_by_compatible(blob, off,
 160                                                             "snps,dwc3");
 161                 }
 162         }
 163 }
 164
 165 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
 166 static void fdt_fixup_gic(void *blob)
 167 {
 168         int offset, err;
 169         u64 reg[8];
 170         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 171         unsigned int val;
 172         struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
 173         int align_64k = 0;
 174
 175         val = gur_in32(&gur->svr);
 176
 177         if (!IS_SVR_DEV(val, SVR_DEV(SVR_LS1043A))) {
 178                 align_64k = 1;
 179         } else if (SVR_REV(val) != REV1_0) {
 180                 val = scfg_in32(&scfg->gic_align) & (0x01 << GIC_ADDR_BIT);
 181                 if (!val)
 182                         align_64k = 1;
 183         }
 184
 185         offset = fdt_subnode_offset(blob, 0, "interrupt-controller@1400000");
 186         if (offset < 0) {
 187                 printf("WARNING: fdt_subnode_offset can't find node %s: %s\n",
 188                        "interrupt-controller@1400000", fdt_strerror(offset));
 189                 return;
 190         }
 191
 192         /* Fixup gic node align with 64K */
 193         if (align_64k) {
 194                 reg[0] = cpu_to_fdt64(GICD_BASE_64K);
 195                 reg[1] = cpu_to_fdt64(GICD_SIZE_64K);
 196                 reg[2] = cpu_to_fdt64(GICC_BASE_64K);
 197                 reg[3] = cpu_to_fdt64(GICC_SIZE_64K);
 198                 reg[4] = cpu_to_fdt64(GICH_BASE_64K);
 199                 reg[5] = cpu_to_fdt64(GICH_SIZE_64K);
 200                 reg[6] = cpu_to_fdt64(GICV_BASE_64K);
 201                 reg[7] = cpu_to_fdt64(GICV_SIZE_64K);
 202         } else {
 203         /* Fixup gic node align with default */
 204                 reg[0] = cpu_to_fdt64(GICD_BASE);
 205                 reg[1] = cpu_to_fdt64(GICD_SIZE);
 206                 reg[2] = cpu_to_fdt64(GICC_BASE);
 207                 reg[3] = cpu_to_fdt64(GICC_SIZE);
 208                 reg[4] = cpu_to_fdt64(GICH_BASE);
 209                 reg[5] = cpu_to_fdt64(GICH_SIZE);
 210                 reg[6] = cpu_to_fdt64(GICV_BASE);
 211                 reg[7] = cpu_to_fdt64(GICV_SIZE);
 212         }
 213
 214         err = fdt_setprop(blob, offset, "reg", reg, sizeof(reg));
 215         if (err < 0) {
 216                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
 217                        "reg", "interrupt-controller@1400000",
 218                        fdt_strerror(err));
 219                 return;
 220         }
 221
 222         return;
 223 }
 224 #endif
 225
 226 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
 227 static int _fdt_fixup_msi_node(void *blob, const char *name,
 228                                   int irq_0, int irq_1, int rev)
 229 {
 230         int err, offset, len;
 231         u32 tmp[4][3];
 232         void *p;
 233
 234         offset = fdt_path_offset(blob, name);
 235         if (offset < 0) {
 236                 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
 237                        name, fdt_strerror(offset));
 238                 return 0;
 239         }
 240
 241         /*fixup the property of interrupts*/
 242
 243         tmp[0][0] = cpu_to_fdt32(0x0);
 244         tmp[0][1] = cpu_to_fdt32(irq_0);
 245         tmp[0][2] = cpu_to_fdt32(0x4);
 246
 247         if (rev > REV1_0) {
 248                 tmp[1][0] = cpu_to_fdt32(0x0);
 249                 tmp[1][1] = cpu_to_fdt32(irq_1);
 250                 tmp[1][2] = cpu_to_fdt32(0x4);
 251                 tmp[2][0] = cpu_to_fdt32(0x0);
 252                 tmp[2][1] = cpu_to_fdt32(irq_1 + 1);
 253                 tmp[2][2] = cpu_to_fdt32(0x4);
 254                 tmp[3][0] = cpu_to_fdt32(0x0);
 255                 tmp[3][1] = cpu_to_fdt32(irq_1 + 2);
 256                 tmp[3][2] = cpu_to_fdt32(0x4);
 257                 len = sizeof(tmp);
 258         } else {
 259                 len = sizeof(tmp[0]);
 260         }
 261
 262         err = fdt_setprop(blob, offset, "interrupts", tmp, len);
 263         if (err < 0) {
 264                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
 265                        "interrupts", name, fdt_strerror(err));
 266                 return 0;
 267         }
 268
 269         /*fixup the property of reg*/
 270         p = (char *)fdt_getprop(blob, offset, "reg", &len);
 271         if (!p) {
 272                 printf("WARNING: fdt_getprop can't get %s from node %s\n",
 273                        "reg", name);
 274                 return 0;
 275         }
 276
 277         memcpy((char *)tmp, p, len);
 278
 279         if (rev > REV1_0)
 280                 *((u32 *)tmp + 3) = cpu_to_fdt32(0x1000);
 281         else
 282                 *((u32 *)tmp + 3) = cpu_to_fdt32(0x8);
 283
 284         err = fdt_setprop(blob, offset, "reg", tmp, len);
 285         if (err < 0) {
 286                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
 287                        "reg", name, fdt_strerror(err));
 288                 return 0;
 289         }
 290
 291         /*fixup the property of compatible*/
 292         if (rev > REV1_0)
 293                 err = fdt_setprop_string(blob, offset, "compatible",
 294                                          "fsl,ls1043a-v1.1-msi");
 295         else
 296                 err = fdt_setprop_string(blob, offset, "compatible",
 297                                          "fsl,ls1043a-msi");
 298         if (err < 0) {
 299                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
 300                        "compatible", name, fdt_strerror(err));
 301                 return 0;
 302         }
 303
 304         return 1;
 305 }
 306
 307 static int _fdt_fixup_pci_msi(void *blob, const char *name, int rev)
 308 {
 309         int offset, len, err;
 310         void *p;
 311         int val;
 312         u32 tmp[4][8];
 313
 314         offset = fdt_path_offset(blob, name);
 315         if (offset < 0) {
 316                 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
 317                        name, fdt_strerror(offset));
 318                 return 0;
 319         }
 320
 321         p = (char *)fdt_getprop(blob, offset, "interrupt-map", &len);
 322         if (!p || len != sizeof(tmp)) {
 323                 printf("WARNING: fdt_getprop can't get %s from node %s\n",
 324                        "interrupt-map", name);
 325                 return 0;
 326         }
 327
 328         memcpy((char *)tmp, p, len);
 329
 330         val = fdt32_to_cpu(tmp[0][6]);
 331         if (rev > REV1_0) {
 332                 tmp[1][6] = cpu_to_fdt32(val + 1);
 333                 tmp[2][6] = cpu_to_fdt32(val + 2);
 334                 tmp[3][6] = cpu_to_fdt32(val + 3);
 335         } else {
 336                 tmp[1][6] = cpu_to_fdt32(val);
 337                 tmp[2][6] = cpu_to_fdt32(val);
 338                 tmp[3][6] = cpu_to_fdt32(val);
 339         }
 340
 341         err = fdt_setprop(blob, offset, "interrupt-map", tmp, sizeof(tmp));
 342         if (err < 0) {
 343                 printf("WARNING: fdt_setprop can't set %s from node %s: %s.\n",
 344                        "interrupt-map", name, fdt_strerror(err));
 345                 return 0;
 346         }
 347         return 1;
 348 }
 349
 350 /* Fixup msi node for ls1043a rev1.1*/
 351
 352 static void fdt_fixup_msi(void *blob)
 353 {
 354         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 355         unsigned int rev;
 356
 357         rev = gur_in32(&gur->svr);
 358
 359         if (!IS_SVR_DEV(rev, SVR_DEV(SVR_LS1043A)))
 360                 return;
 361
 362         rev = SVR_REV(rev);
 363
 364         _fdt_fixup_msi_node(blob, "/soc/msi-controller1@1571000",
 365                             116, 111, rev);
 366         _fdt_fixup_msi_node(blob, "/soc/msi-controller2@1572000",
 367                             126, 121, rev);
 368         _fdt_fixup_msi_node(blob, "/soc/msi-controller3@1573000",
 369                             160, 155, rev);
 370
 371         _fdt_fixup_pci_msi(blob, "/soc/pcie@3400000", rev);
 372         _fdt_fixup_pci_msi(blob, "/soc/pcie@3500000", rev);
 373         _fdt_fixup_pci_msi(blob, "/soc/pcie@3600000", rev);
 374 }
 375 #endif
 376
 377 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
 378 /* Remove JR node used by SEC firmware */
 379 void fdt_fixup_remove_jr(void *blob)
 380 {
 381         int jr_node, addr_cells, len;
 382         int crypto_node = fdt_path_offset(blob, "crypto");
 383         u64 jr_offset, used_jr;
 384         fdt32_t *reg;
 385
 386         used_jr = sec_firmware_used_jobring_offset();
 387         fdt_support_default_count_cells(blob, crypto_node, &addr_cells, NULL);
 388
 389         jr_node = fdt_node_offset_by_compatible(blob, crypto_node,
 390                                                 "fsl,sec-v4.0-job-ring");
 391
 392         while (jr_node != -FDT_ERR_NOTFOUND) {
 393                 reg = (fdt32_t *)fdt_getprop(blob, jr_node, "reg", &len);
 394                 jr_offset = fdt_read_number(reg, addr_cells);
 395                 if (jr_offset == used_jr) {
 396                         fdt_del_node(blob, jr_node);
 397                         break;
 398                 }
 399                 jr_node = fdt_node_offset_by_compatible(blob, jr_node,
 400                                                         "fsl,sec-v4.0-job-ring");
 401         }
 402 }
 403 #endif
 404
 405 void ft_cpu_setup(void *blob, bd_t *bd)
 406 {
 407         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 408         unsigned int svr = gur_in32(&gur->svr);
 409
 410         /* delete crypto node if not on an E-processor */
 411         if (!IS_E_PROCESSOR(svr))
 412                 fdt_fixup_crypto_node(blob, 0);
 413 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
 414         else {
 415                 ccsr_sec_t __iomem *sec;
 416
 417 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
 418                 if (fdt_fixup_kaslr(blob))
 419                         fdt_fixup_remove_jr(blob);
 420 #endif
 421
 422                 sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
 423                 fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
 424         }
 425 #endif
 426
 427 #ifdef CONFIG_MP
 428         ft_fixup_cpu(blob);
 429 #endif
 430
 431 #ifdef CONFIG_SYS_NS16550
 432         do_fixup_by_compat_u32(blob, "fsl,ns16550",
 433                                "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 434 #endif
 435
 436         do_fixup_by_path_u32(blob, "/sysclk", "clock-frequency",
 437                              CONFIG_SYS_CLK_FREQ, 1);
 438
 439 #ifdef CONFIG_PCI
 440         ft_pci_setup(blob, bd);
 441 #endif
 442
 443 #ifdef CONFIG_FSL_ESDHC
 444         fdt_fixup_esdhc(blob, bd);
 445 #endif
 446
 447 #ifdef CONFIG_SYS_DPAA_QBMAN
 448         fdt_fixup_bportals(blob);
 449         fdt_fixup_qportals(blob);
 450         do_fixup_by_compat_u32(blob, "fsl,qman",
 451                                "clock-frequency", get_qman_freq(), 1);
 452 #endif
 453
 454 #ifdef CONFIG_SYS_DPAA_FMAN
 455         fdt_fixup_fman_firmware(blob);
 456 #endif
 457 #ifndef CONFIG_ARCH_LS1012A
 458         fsl_fdt_disable_usb(blob);
 459 #endif
 460 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
 461         fdt_fixup_gic(blob);
 462 #endif
 463 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
 464         fdt_fixup_msi(blob);
 465 #endif
 466 }