1 /* 2 * QEMU aCube Sam460ex board emulation 3 * 4 * Copyright (c) 2012 François Revol 5 * Copyright (c) 2016-2018 BALATON Zoltan 6 * 7 * This file is derived from hw/ppc440_bamboo.c, 8 * the copyright for that material belongs to the original owners. 9 * 10 * This work is licensed under the GNU GPL license version 2 or later. 11 * 12 */ 13 14 #include "qemu/osdep.h" 15 #include "qemu/units.h" 16 #include "qemu-common.h" 17 #include "qemu/error-report.h" 18 #include "qapi/error.h" 19 #include "hw/hw.h" 20 #include "hw/boards.h" 21 #include "sysemu/kvm.h" 22 #include "kvm_ppc.h" 23 #include "sysemu/device_tree.h" 24 #include "sysemu/block-backend.h" 25 #include "hw/loader.h" 26 #include "elf.h" 27 #include "exec/address-spaces.h" 28 #include "exec/memory.h" 29 #include "ppc440.h" 30 #include "ppc405.h" 31 #include "hw/block/flash.h" 32 #include "sysemu/sysemu.h" 33 #include "sysemu/qtest.h" 34 #include "hw/sysbus.h" 35 #include "hw/char/serial.h" 36 #include "hw/i2c/ppc4xx_i2c.h" 37 #include "hw/i2c/smbus.h" 38 #include "hw/usb/hcd-ehci.h" 39 #include "hw/ppc/fdt.h" 40 41 #include <libfdt.h> 42 43 #define BINARY_DEVICE_TREE_FILE "canyonlands.dtb" 44 #define UBOOT_FILENAME "u-boot-sam460-20100605.bin" 45 /* to extract the official U-Boot bin from the updater: */ 46 /* dd bs=1 skip=$(($(stat -c '%s' updater/updater-460) - 0x80000)) \ 47 if=updater/updater-460 of=u-boot-sam460-20100605.bin */ 48 49 /* from Sam460 U-Boot include/configs/Sam460ex.h */ 50 #define FLASH_BASE 0xfff00000 51 #define FLASH_BASE_H 0x4 52 #define FLASH_SIZE (1 * MiB) 53 #define UBOOT_LOAD_BASE 0xfff80000 54 #define UBOOT_SIZE 0x00080000 55 #define UBOOT_ENTRY 0xfffffffc 56 57 /* from U-Boot */ 58 #define EPAPR_MAGIC (0x45504150) 59 #define KERNEL_ADDR 0x1000000 60 #define FDT_ADDR 0x1800000 61 #define RAMDISK_ADDR 0x1900000 62 63 /* Sam460ex IRQ MAP: 64 IRQ0 = ETH_INT 65 IRQ1 = FPGA_INT 66 IRQ2 = PCI_INT (PCIA, PCIB, PCIC, PCIB) 67 IRQ3 = FPGA_INT2 68 IRQ11 = RTC_INT 69 IRQ12 = SM502_INT 70 */ 71 72 #define CPU_FREQ 1150000000 73 #define PLB_FREQ 230000000 74 #define OPB_FREQ 115000000 75 #define EBC_FREQ 115000000 76 #define UART_FREQ 11059200 77 #define SDRAM_NR_BANKS 4 78 79 /* FIXME: See u-boot.git 8ac41e, also fix in ppc440_uc.c */ 80 static const unsigned int ppc460ex_sdram_bank_sizes[] = { 81 1 * GiB, 512 * MiB, 256 * MiB, 128 * MiB, 64 * MiB, 32 * MiB, 0 82 }; 83 84 struct boot_info { 85 uint32_t dt_base; 86 uint32_t dt_size; 87 uint32_t entry; 88 }; 89 90 /*****************************************************************************/ 91 /* SPD eeprom content from mips_malta.c */ 92 93 struct _eeprom24c0x_t { 94 uint8_t tick; 95 uint8_t address; 96 uint8_t command; 97 uint8_t ack; 98 uint8_t scl; 99 uint8_t sda; 100 uint8_t data; 101 uint8_t contents[256]; 102 }; 103 104 typedef struct _eeprom24c0x_t eeprom24c0x_t; 105 106 static eeprom24c0x_t spd_eeprom = { 107 .contents = { 108 /* 00000000: */ 0x80, 0x08, 0xFF, 0x0D, 0x0A, 0xFF, 0x40, 0x00, 109 /* 00000008: */ 0x04, 0x75, 0x54, 0x00, 0x82, 0x08, 0x00, 0x01, 110 /* 00000010: */ 0x8F, 0x04, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 111 /* 00000018: */ 0x00, 0x00, 0x00, 0x14, 0x0F, 0x14, 0x2D, 0xFF, 112 /* 00000020: */ 0x15, 0x08, 0x15, 0x08, 0x00, 0x00, 0x00, 0x00, 113 /* 00000028: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 114 /* 00000030: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 115 /* 00000038: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xD0, 116 /* 00000040: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 117 /* 00000048: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 118 /* 00000050: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 119 /* 00000058: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 120 /* 00000060: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 121 /* 00000068: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 122 /* 00000070: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 123 /* 00000078: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x64, 0xF4, 124 }, 125 }; 126 127 static void generate_eeprom_spd(uint8_t *eeprom, ram_addr_t ram_size) 128 { 129 enum { SDR = 0x4, DDR1 = 0x7, DDR2 = 0x8 } type; 130 uint8_t *spd = spd_eeprom.contents; 131 uint8_t nbanks = 0; 132 uint16_t density = 0; 133 int i; 134 135 /* work in terms of MB */ 136 ram_size /= MiB; 137 138 while ((ram_size >= 4) && (nbanks <= 2)) { 139 int sz_log2 = MIN(31 - clz32(ram_size), 14); 140 nbanks++; 141 density |= 1 << (sz_log2 - 2); 142 ram_size -= 1 << sz_log2; 143 } 144 145 /* split to 2 banks if possible */ 146 if ((nbanks == 1) && (density > 1)) { 147 nbanks++; 148 density >>= 1; 149 } 150 151 if (density & 0xff00) { 152 density = (density & 0xe0) | ((density >> 8) & 0x1f); 153 type = DDR2; 154 } else if (!(density & 0x1f)) { 155 type = DDR2; 156 } else { 157 type = SDR; 158 } 159 160 if (ram_size) { 161 warn_report("SPD cannot represent final " RAM_ADDR_FMT "MB" 162 " of SDRAM", ram_size); 163 } 164 165 /* fill in SPD memory information */ 166 spd[2] = type; 167 spd[5] = nbanks; 168 spd[31] = density; 169 170 /* XXX: this is totally random */ 171 spd[9] = 0x10; /* CAS tcyc */ 172 spd[18] = 0x20; /* CAS bit */ 173 spd[23] = 0x10; /* CAS tcyc */ 174 spd[25] = 0x10; /* CAS tcyc */ 175 176 /* checksum */ 177 spd[63] = 0; 178 for (i = 0; i < 63; i++) { 179 spd[63] += spd[i]; 180 } 181 182 /* copy for SMBUS */ 183 memcpy(eeprom, spd, sizeof(spd_eeprom.contents)); 184 } 185 186 static void generate_eeprom_serial(uint8_t *eeprom) 187 { 188 int i, pos = 0; 189 uint8_t mac[6] = { 0x00 }; 190 uint8_t sn[5] = { 0x01, 0x23, 0x45, 0x67, 0x89 }; 191 192 /* version */ 193 eeprom[pos++] = 0x01; 194 195 /* count */ 196 eeprom[pos++] = 0x02; 197 198 /* MAC address */ 199 eeprom[pos++] = 0x01; /* MAC */ 200 eeprom[pos++] = 0x06; /* length */ 201 memcpy(&eeprom[pos], mac, sizeof(mac)); 202 pos += sizeof(mac); 203 204 /* serial number */ 205 eeprom[pos++] = 0x02; /* serial */ 206 eeprom[pos++] = 0x05; /* length */ 207 memcpy(&eeprom[pos], sn, sizeof(sn)); 208 pos += sizeof(sn); 209 210 /* checksum */ 211 eeprom[pos] = 0; 212 for (i = 0; i < pos; i++) { 213 eeprom[pos] += eeprom[i]; 214 } 215 } 216 217 /*****************************************************************************/ 218 219 static int sam460ex_load_uboot(void) 220 { 221 DriveInfo *dinfo; 222 BlockBackend *blk = NULL; 223 hwaddr base = FLASH_BASE | ((hwaddr)FLASH_BASE_H << 32); 224 long bios_size = FLASH_SIZE; 225 int fl_sectors; 226 227 dinfo = drive_get(IF_PFLASH, 0, 0); 228 if (dinfo) { 229 blk = blk_by_legacy_dinfo(dinfo); 230 bios_size = blk_getlength(blk); 231 } 232 fl_sectors = (bios_size + 65535) >> 16; 233 234 if (!pflash_cfi01_register(base, NULL, "sam460ex.flash", bios_size, 235 blk, 64 * KiB, fl_sectors, 236 1, 0x89, 0x18, 0x0000, 0x0, 1)) { 237 error_report("qemu: Error registering flash memory."); 238 /* XXX: return an error instead? */ 239 exit(1); 240 } 241 242 if (!blk) { 243 /*error_report("No flash image given with the 'pflash' parameter," 244 " using default u-boot image");*/ 245 base = UBOOT_LOAD_BASE | ((hwaddr)FLASH_BASE_H << 32); 246 rom_add_file_fixed(UBOOT_FILENAME, base, -1); 247 } 248 249 return 0; 250 } 251 252 static int sam460ex_load_device_tree(hwaddr addr, 253 uint32_t ramsize, 254 hwaddr initrd_base, 255 hwaddr initrd_size, 256 const char *kernel_cmdline) 257 { 258 uint32_t mem_reg_property[] = { 0, 0, cpu_to_be32(ramsize) }; 259 char *filename; 260 int fdt_size; 261 void *fdt; 262 uint32_t tb_freq = CPU_FREQ; 263 uint32_t clock_freq = CPU_FREQ; 264 int offset; 265 266 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); 267 if (!filename) { 268 error_report("Couldn't find dtb file `%s'", BINARY_DEVICE_TREE_FILE); 269 exit(1); 270 } 271 fdt = load_device_tree(filename, &fdt_size); 272 if (!fdt) { 273 error_report("Couldn't load dtb file `%s'", filename); 274 g_free(filename); 275 exit(1); 276 } 277 g_free(filename); 278 279 /* Manipulate device tree in memory. */ 280 281 qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property, 282 sizeof(mem_reg_property)); 283 284 /* default FDT doesn't have a /chosen node... */ 285 qemu_fdt_add_subnode(fdt, "/chosen"); 286 287 qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", initrd_base); 288 289 qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", 290 (initrd_base + initrd_size)); 291 292 qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline); 293 294 /* Copy data from the host device tree into the guest. Since the guest can 295 * directly access the timebase without host involvement, we must expose 296 * the correct frequencies. */ 297 if (kvm_enabled()) { 298 tb_freq = kvmppc_get_tbfreq(); 299 clock_freq = kvmppc_get_clockfreq(); 300 } 301 302 qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "clock-frequency", 303 clock_freq); 304 qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "timebase-frequency", 305 tb_freq); 306 307 /* Remove cpm node if it exists (it is not emulated) */ 308 offset = fdt_path_offset(fdt, "/cpm"); 309 if (offset >= 0) { 310 _FDT(fdt_nop_node(fdt, offset)); 311 } 312 313 /* set serial port clocks */ 314 offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550"); 315 while (offset >= 0) { 316 _FDT(fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ)); 317 offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550"); 318 } 319 320 /* some more clocks */ 321 qemu_fdt_setprop_cell(fdt, "/plb", "clock-frequency", 322 PLB_FREQ); 323 qemu_fdt_setprop_cell(fdt, "/plb/opb", "clock-frequency", 324 OPB_FREQ); 325 qemu_fdt_setprop_cell(fdt, "/plb/opb/ebc", "clock-frequency", 326 EBC_FREQ); 327 328 rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); 329 g_free(fdt); 330 331 return fdt_size; 332 } 333 334 /* Create reset TLB entries for BookE, mapping only the flash memory. */ 335 static void mmubooke_create_initial_mapping_uboot(CPUPPCState *env) 336 { 337 ppcemb_tlb_t *tlb = &env->tlb.tlbe[0]; 338 339 /* on reset the flash is mapped by a shadow TLB, 340 * but since we don't implement them we need to use 341 * the same values U-Boot will use to avoid a fault. 342 */ 343 tlb->attr = 0; 344 tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4); 345 tlb->size = 0x10000000; /* up to 0xffffffff */ 346 tlb->EPN = 0xf0000000 & TARGET_PAGE_MASK; 347 tlb->RPN = (0xf0000000 & TARGET_PAGE_MASK) | 0x4; 348 tlb->PID = 0; 349 } 350 351 /* Create reset TLB entries for BookE, spanning the 32bit addr space. */ 352 static void mmubooke_create_initial_mapping(CPUPPCState *env, 353 target_ulong va, 354 hwaddr pa) 355 { 356 ppcemb_tlb_t *tlb = &env->tlb.tlbe[0]; 357 358 tlb->attr = 0; 359 tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4); 360 tlb->size = 1 << 31; /* up to 0x80000000 */ 361 tlb->EPN = va & TARGET_PAGE_MASK; 362 tlb->RPN = pa & TARGET_PAGE_MASK; 363 tlb->PID = 0; 364 } 365 366 static void main_cpu_reset(void *opaque) 367 { 368 PowerPCCPU *cpu = opaque; 369 CPUPPCState *env = &cpu->env; 370 struct boot_info *bi = env->load_info; 371 372 cpu_reset(CPU(cpu)); 373 374 /* either we have a kernel to boot or we jump to U-Boot */ 375 if (bi->entry != UBOOT_ENTRY) { 376 env->gpr[1] = (16 * MiB) - 8; 377 env->gpr[3] = FDT_ADDR; 378 env->nip = bi->entry; 379 380 /* Create a mapping for the kernel. */ 381 mmubooke_create_initial_mapping(env, 0, 0); 382 env->gpr[6] = tswap32(EPAPR_MAGIC); 383 env->gpr[7] = (16 * MiB) - 8; /* bi->ima_size; */ 384 385 } else { 386 env->nip = UBOOT_ENTRY; 387 mmubooke_create_initial_mapping_uboot(env); 388 } 389 } 390 391 static void sam460ex_init(MachineState *machine) 392 { 393 MemoryRegion *address_space_mem = get_system_memory(); 394 MemoryRegion *isa = g_new(MemoryRegion, 1); 395 MemoryRegion *ram_memories = g_new(MemoryRegion, SDRAM_NR_BANKS); 396 hwaddr ram_bases[SDRAM_NR_BANKS]; 397 hwaddr ram_sizes[SDRAM_NR_BANKS]; 398 MemoryRegion *l2cache_ram = g_new(MemoryRegion, 1); 399 qemu_irq *irqs, *uic[4]; 400 PCIBus *pci_bus; 401 PowerPCCPU *cpu; 402 CPUPPCState *env; 403 PPC4xxI2CState *i2c[2]; 404 hwaddr entry = UBOOT_ENTRY; 405 hwaddr loadaddr = 0; 406 target_long initrd_size = 0; 407 DeviceState *dev; 408 SysBusDevice *sbdev; 409 int success; 410 int i; 411 struct boot_info *boot_info; 412 const size_t smbus_eeprom_size = 8 * 256; 413 uint8_t *smbus_eeprom_buf = g_malloc0(smbus_eeprom_size); 414 415 cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); 416 env = &cpu->env; 417 if (env->mmu_model != POWERPC_MMU_BOOKE) { 418 error_report("Only MMU model BookE is supported by this machine."); 419 exit(1); 420 } 421 422 #ifdef TARGET_PPCEMB 423 if (!qtest_enabled()) { 424 warn_report("qemu-system-ppcemb is deprecated, " 425 "please use qemu-system-ppc instead."); 426 } 427 #endif 428 429 qemu_register_reset(main_cpu_reset, cpu); 430 boot_info = g_malloc0(sizeof(*boot_info)); 431 env->load_info = boot_info; 432 433 ppc_booke_timers_init(cpu, CPU_FREQ, 0); 434 ppc_dcr_init(env, NULL, NULL); 435 436 /* PLB arbitrer */ 437 ppc4xx_plb_init(env); 438 439 /* interrupt controllers */ 440 irqs = g_malloc0(sizeof(*irqs) * PPCUIC_OUTPUT_NB); 441 irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT]; 442 irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT]; 443 uic[0] = ppcuic_init(env, irqs, 0xc0, 0, 1); 444 uic[1] = ppcuic_init(env, &uic[0][30], 0xd0, 0, 1); 445 uic[2] = ppcuic_init(env, &uic[0][10], 0xe0, 0, 1); 446 uic[3] = ppcuic_init(env, &uic[0][16], 0xf0, 0, 1); 447 448 /* SDRAM controller */ 449 memset(ram_bases, 0, sizeof(ram_bases)); 450 memset(ram_sizes, 0, sizeof(ram_sizes)); 451 /* put all RAM on first bank because board has one slot 452 * and firmware only checks that */ 453 machine->ram_size = ppc4xx_sdram_adjust(machine->ram_size, 1, 454 ram_memories, ram_bases, ram_sizes, 455 ppc460ex_sdram_bank_sizes); 456 457 /* FIXME: does 460EX have ECC interrupts? */ 458 ppc440_sdram_init(env, SDRAM_NR_BANKS, ram_memories, 459 ram_bases, ram_sizes, 1); 460 461 /* generate SPD EEPROM data */ 462 for (i = 0; i < SDRAM_NR_BANKS; i++) { 463 generate_eeprom_spd(&smbus_eeprom_buf[i * 256], ram_sizes[i]); 464 } 465 generate_eeprom_serial(&smbus_eeprom_buf[4 * 256]); 466 generate_eeprom_serial(&smbus_eeprom_buf[6 * 256]); 467 468 /* IIC controllers */ 469 dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600700, uic[0][2]); 470 i2c[0] = PPC4xx_I2C(dev); 471 object_property_set_bool(OBJECT(dev), true, "realized", NULL); 472 smbus_eeprom_init(i2c[0]->bus, 8, smbus_eeprom_buf, smbus_eeprom_size); 473 g_free(smbus_eeprom_buf); 474 i2c_create_slave(i2c[0]->bus, "m41t80", 0x68); 475 476 dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600800, uic[0][3]); 477 i2c[1] = PPC4xx_I2C(dev); 478 479 /* External bus controller */ 480 ppc405_ebc_init(env); 481 482 /* CPR */ 483 ppc4xx_cpr_init(env); 484 485 /* PLB to AHB bridge */ 486 ppc4xx_ahb_init(env); 487 488 /* System DCRs */ 489 ppc4xx_sdr_init(env); 490 491 /* MAL */ 492 ppc4xx_mal_init(env, 4, 16, &uic[2][3]); 493 494 /* DMA */ 495 ppc4xx_dma_init(env, 0x200); 496 497 /* 256K of L2 cache as memory */ 498 ppc4xx_l2sram_init(env); 499 /* FIXME: remove this after fixing l2sram mapping in ppc440_uc.c? */ 500 memory_region_init_ram(l2cache_ram, NULL, "ppc440.l2cache_ram", 256 * KiB, 501 &error_abort); 502 memory_region_add_subregion(address_space_mem, 0x400000000LL, l2cache_ram); 503 504 /* USB */ 505 sysbus_create_simple(TYPE_PPC4xx_EHCI, 0x4bffd0400, uic[2][29]); 506 dev = qdev_create(NULL, "sysbus-ohci"); 507 qdev_prop_set_string(dev, "masterbus", "usb-bus.0"); 508 qdev_prop_set_uint32(dev, "num-ports", 6); 509 qdev_init_nofail(dev); 510 sbdev = SYS_BUS_DEVICE(dev); 511 sysbus_mmio_map(sbdev, 0, 0x4bffd0000); 512 sysbus_connect_irq(sbdev, 0, uic[2][30]); 513 usb_create_simple(usb_bus_find(-1), "usb-kbd"); 514 usb_create_simple(usb_bus_find(-1), "usb-mouse"); 515 516 /* PCI bus */ 517 ppc460ex_pcie_init(env); 518 /* All PCI irqs are connected to the same UIC pin (cf. UBoot source) */ 519 dev = sysbus_create_simple("ppc440-pcix-host", 0xc0ec00000, uic[1][0]); 520 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0"); 521 if (!pci_bus) { 522 error_report("couldn't create PCI controller!"); 523 exit(1); 524 } 525 memory_region_init_alias(isa, NULL, "isa_mmio", get_system_io(), 526 0, 0x10000); 527 memory_region_add_subregion(get_system_memory(), 0xc08000000, isa); 528 529 /* PCI devices */ 530 pci_create_simple(pci_bus, PCI_DEVFN(6, 0), "sm501"); 531 /* SoC has a single SATA port but we don't emulate that yet 532 * However, firmware and usual clients have driver for SiI311x 533 * so add one for convenience by default */ 534 if (defaults_enabled()) { 535 pci_create_simple(pci_bus, -1, "sii3112"); 536 } 537 538 /* SoC has 4 UARTs 539 * but board has only one wired and two are present in fdt */ 540 if (serial_hd(0) != NULL) { 541 serial_mm_init(address_space_mem, 0x4ef600300, 0, uic[1][1], 542 PPC_SERIAL_MM_BAUDBASE, serial_hd(0), 543 DEVICE_BIG_ENDIAN); 544 } 545 if (serial_hd(1) != NULL) { 546 serial_mm_init(address_space_mem, 0x4ef600400, 0, uic[0][1], 547 PPC_SERIAL_MM_BAUDBASE, serial_hd(1), 548 DEVICE_BIG_ENDIAN); 549 } 550 551 /* Load U-Boot image. */ 552 if (!machine->kernel_filename) { 553 success = sam460ex_load_uboot(); 554 if (success < 0) { 555 error_report("qemu: could not load firmware"); 556 exit(1); 557 } 558 } 559 560 /* Load kernel. */ 561 if (machine->kernel_filename) { 562 success = load_uimage(machine->kernel_filename, &entry, &loadaddr, 563 NULL, NULL, NULL); 564 if (success < 0) { 565 uint64_t elf_entry, elf_lowaddr; 566 567 success = load_elf(machine->kernel_filename, NULL, NULL, &elf_entry, 568 &elf_lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); 569 entry = elf_entry; 570 loadaddr = elf_lowaddr; 571 } 572 /* XXX try again as binary */ 573 if (success < 0) { 574 error_report("qemu: could not load kernel '%s'", 575 machine->kernel_filename); 576 exit(1); 577 } 578 } 579 580 /* Load initrd. */ 581 if (machine->initrd_filename) { 582 initrd_size = load_image_targphys(machine->initrd_filename, 583 RAMDISK_ADDR, 584 machine->ram_size - RAMDISK_ADDR); 585 if (initrd_size < 0) { 586 error_report("qemu: could not load ram disk '%s' at %x", 587 machine->initrd_filename, RAMDISK_ADDR); 588 exit(1); 589 } 590 } 591 592 /* If we're loading a kernel directly, we must load the device tree too. */ 593 if (machine->kernel_filename) { 594 int dt_size; 595 596 dt_size = sam460ex_load_device_tree(FDT_ADDR, machine->ram_size, 597 RAMDISK_ADDR, initrd_size, 598 machine->kernel_cmdline); 599 600 boot_info->dt_base = FDT_ADDR; 601 boot_info->dt_size = dt_size; 602 } 603 604 boot_info->entry = entry; 605 } 606 607 static void sam460ex_machine_init(MachineClass *mc) 608 { 609 mc->desc = "aCube Sam460ex"; 610 mc->init = sam460ex_init; 611 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("460exb"); 612 mc->default_ram_size = 512 * MiB; 613 } 614 615 DEFINE_MACHINE("sam460ex", sam460ex_machine_init) 616