hw/ppc_newworld.c

   1 /*
   2  * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
   3  *
   4  * Copyright (c) 2004-2007 Fabrice Bellard
   5  * Copyright (c) 2007 Jocelyn Mayer
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  *
  25  * PCI bus layout on a real G5 (U3 based):
  26  *
  27  * 0000:f0:0b.0 Host bridge [0600]: Apple Computer Inc. U3 AGP [106b:004b]
  28  * 0000:f0:10.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 AP [Radeon 9600] [1002:4150]
  29  * 0001:00:00.0 Host bridge [0600]: Apple Computer Inc. CPC945 HT Bridge [106b:004a]
  30  * 0001:00:01.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
  31  * 0001:00:02.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
  32  * 0001:00:03.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0045]
  33  * 0001:00:04.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0046]
  34  * 0001:00:05.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0047]
  35  * 0001:00:06.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0048]
  36  * 0001:00:07.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0049]
  37  * 0001:01:07.0 Class [ff00]: Apple Computer Inc. K2 KeyLargo Mac/IO [106b:0041] (rev 20)
  38  * 0001:01:08.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
  39  * 0001:01:09.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
  40  * 0001:02:0b.0 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
  41  * 0001:02:0b.1 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
  42  * 0001:02:0b.2 USB Controller [0c03]: NEC Corporation USB 2.0 [1033:00e0] (rev 04)
  43  * 0001:03:0d.0 Class [ff00]: Apple Computer Inc. K2 ATA/100 [106b:0043]
  44  * 0001:03:0e.0 FireWire (IEEE 1394) [0c00]: Apple Computer Inc. K2 FireWire [106b:0042]
  45  * 0001:04:0f.0 Ethernet controller [0200]: Apple Computer Inc. K2 GMAC (Sun GEM) [106b:004c]
  46  * 0001:05:0c.0 IDE interface [0101]: Broadcom K2 SATA [1166:0240]
  47  *
  48  */
  49 #include "hw.h"
  50 #include "ppc.h"
  51 #include "ppc_mac.h"
  52 #include "adb.h"
  53 #include "mac_dbdma.h"
  54 #include "nvram.h"
  55 #include "pci/pci.h"
  56 #include "net/net.h"
  57 #include "sysemu/sysemu.h"
  58 #include "boards.h"
  59 #include "fw_cfg.h"
  60 #include "escc.h"
  61 #include "openpic.h"
  62 #include "ide.h"
  63 #include "loader.h"
  64 #include "elf.h"
  65 #include "sysemu/kvm.h"
  66 #include "kvm_ppc.h"
  67 #include "hw/usb.h"
  68 #include "sysemu/blockdev.h"
  69 #include "exec/address-spaces.h"
  70 #include "sysbus.h"
  71
  72 #define MAX_IDE_BUS 2
  73 #define CFG_ADDR 0xf0000510
  74
  75 /* debug UniNorth */
  76 //#define DEBUG_UNIN
  77
  78 #ifdef DEBUG_UNIN
  79 #define UNIN_DPRINTF(fmt, ...)                                  \
  80     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
  81 #else
  82 #define UNIN_DPRINTF(fmt, ...)
  83 #endif
  84
  85 /* UniN device */
  86 static void unin_write(void *opaque, hwaddr addr, uint64_t value,
  87                        unsigned size)
  88 {
  89     UNIN_DPRINTF("write addr " TARGET_FMT_plx " val %"PRIx64"\n", addr, value);
  90 }
  91
  92 static uint64_t unin_read(void *opaque, hwaddr addr, unsigned size)
  93 {
  94     uint32_t value;
  95
  96     value = 0;
  97     UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
  98
  99     return value;
 100 }
 101
 102 static const MemoryRegionOps unin_ops = {
 103     .read = unin_read,
 104     .write = unin_write,
 105     .endianness = DEVICE_NATIVE_ENDIAN,
 106 };
 107
 108 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 109 {
 110     fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 111     return 0;
 112 }
 113
 114 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
 115 {
 116     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
 117 }
 118
 119 static hwaddr round_page(hwaddr addr)
 120 {
 121     return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
 122 }
 123
 124 static void ppc_core99_reset(void *opaque)
 125 {
 126     PowerPCCPU *cpu = opaque;
 127
 128     cpu_reset(CPU(cpu));
 129 }
 130
 131 /* PowerPC Mac99 hardware initialisation */
 132 static void ppc_core99_init(QEMUMachineInitArgs *args)
 133 {
 134     ram_addr_t ram_size = args->ram_size;
 135     const char *cpu_model = args->cpu_model;
 136     const char *kernel_filename = args->kernel_filename;
 137     const char *kernel_cmdline = args->kernel_cmdline;
 138     const char *initrd_filename = args->initrd_filename;
 139     const char *boot_device = args->boot_device;
 140     PowerPCCPU *cpu = NULL;
 141     CPUPPCState *env = NULL;
 142     char *filename;
 143     qemu_irq *pic, **openpic_irqs;
 144     MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
 145     int linux_boot, i, j, k;
 146     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
 147     hwaddr kernel_base, initrd_base, cmdline_base = 0;
 148     long kernel_size, initrd_size;
 149     PCIBus *pci_bus;
 150     MacIONVRAMState *nvr;
 151     int bios_size;
 152     MemoryRegion *pic_mem, *dbdma_mem, *cuda_mem, *escc_mem;
 153     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
 154     MemoryRegion *ide_mem[3];
 155     int ppc_boot_device;
 156     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 157     void *fw_cfg;
 158     void *dbdma;
 159     int machine_arch;
 160     SysBusDevice *s;
 161     DeviceState *dev;
 162
 163     linux_boot = (kernel_filename != NULL);
 164
 165     /* init CPUs */
 166     if (cpu_model == NULL)
 167 #ifdef TARGET_PPC64
 168         cpu_model = "970fx";
 169 #else
 170         cpu_model = "G4";
 171 #endif
 172     for (i = 0; i < smp_cpus; i++) {
 173         cpu = cpu_ppc_init(cpu_model);
 174         if (cpu == NULL) {
 175             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
 176             exit(1);
 177         }
 178         env = &cpu->env;
 179
 180         /* Set time-base frequency to 100 Mhz */
 181         cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
 182         qemu_register_reset(ppc_core99_reset, cpu);
 183     }
 184
 185     /* allocate RAM */
 186     memory_region_init_ram(ram, "ppc_core99.ram", ram_size);
 187     vmstate_register_ram_global(ram);
 188     memory_region_add_subregion(get_system_memory(), 0, ram);
 189
 190     /* allocate and load BIOS */
 191     memory_region_init_ram(bios, "ppc_core99.bios", BIOS_SIZE);
 192     vmstate_register_ram_global(bios);
 193     if (bios_name == NULL)
 194         bios_name = PROM_FILENAME;
 195     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 196     memory_region_set_readonly(bios, true);
 197     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
 198
 199     /* Load OpenBIOS (ELF) */
 200     if (filename) {
 201         bios_size = load_elf(filename, NULL, NULL, NULL,
 202                              NULL, NULL, 1, ELF_MACHINE, 0);
 203
 204         g_free(filename);
 205     } else {
 206         bios_size = -1;
 207     }
 208     if (bios_size < 0 || bios_size > BIOS_SIZE) {
 209         hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
 210         exit(1);
 211     }
 212
 213     if (linux_boot) {
 214         uint64_t lowaddr = 0;
 215         int bswap_needed;
 216
 217 #ifdef BSWAP_NEEDED
 218         bswap_needed = 1;
 219 #else
 220         bswap_needed = 0;
 221 #endif
 222         kernel_base = KERNEL_LOAD_ADDR;
 223
 224         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
 225                                NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
 226         if (kernel_size < 0)
 227             kernel_size = load_aout(kernel_filename, kernel_base,
 228                                     ram_size - kernel_base, bswap_needed,
 229                                     TARGET_PAGE_SIZE);
 230         if (kernel_size < 0)
 231             kernel_size = load_image_targphys(kernel_filename,
 232                                               kernel_base,
 233                                               ram_size - kernel_base);
 234         if (kernel_size < 0) {
 235             hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
 236             exit(1);
 237         }
 238         /* load initrd */
 239         if (initrd_filename) {
 240             initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 241             initrd_size = load_image_targphys(initrd_filename, initrd_base,
 242                                               ram_size - initrd_base);
 243             if (initrd_size < 0) {
 244                 hw_error("qemu: could not load initial ram disk '%s'\n",
 245                          initrd_filename);
 246                 exit(1);
 247             }
 248             cmdline_base = round_page(initrd_base + initrd_size);
 249         } else {
 250             initrd_base = 0;
 251             initrd_size = 0;
 252             cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 253         }
 254         ppc_boot_device = 'm';
 255     } else {
 256         kernel_base = 0;
 257         kernel_size = 0;
 258         initrd_base = 0;
 259         initrd_size = 0;
 260         ppc_boot_device = '\0';
 261         /* We consider that NewWorld PowerMac never have any floppy drive
 262          * For now, OHW cannot boot from the network.
 263          */
 264         for (i = 0; boot_device[i] != '\0'; i++) {
 265             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
 266                 ppc_boot_device = boot_device[i];
 267                 break;
 268             }
 269         }
 270         if (ppc_boot_device == '\0') {
 271             fprintf(stderr, "No valid boot device for Mac99 machine\n");
 272             exit(1);
 273         }
 274     }
 275
 276     /* Register 8 MB of ISA IO space */
 277     isa_mmio_init(0xf2000000, 0x00800000);
 278
 279     /* UniN init */
 280     memory_region_init_io(unin_memory, &unin_ops, NULL, "unin", 0x1000);
 281     memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);
 282
 283     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
 284     openpic_irqs[0] =
 285         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
 286     for (i = 0; i < smp_cpus; i++) {
 287         /* Mac99 IRQ connection between OpenPIC outputs pins
 288          * and PowerPC input pins
 289          */
 290         switch (PPC_INPUT(env)) {
 291         case PPC_FLAGS_INPUT_6xx:
 292             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
 293             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
 294                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
 295             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
 296                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
 297             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
 298                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
 299             /* Not connected ? */
 300             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
 301             /* Check this */
 302             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
 303                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
 304             break;
 305 #if defined(TARGET_PPC64)
 306         case PPC_FLAGS_INPUT_970:
 307             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
 308             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
 309                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
 310             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
 311                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
 312             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
 313                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
 314             /* Not connected ? */
 315             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
 316             /* Check this */
 317             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
 318                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
 319             break;
 320 #endif /* defined(TARGET_PPC64) */
 321         default:
 322             hw_error("Bus model not supported on mac99 machine\n");
 323             exit(1);
 324         }
 325     }
 326
 327     pic = g_new(qemu_irq, 64);
 328
 329     dev = qdev_create(NULL, "openpic");
 330     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);
 331     qdev_init_nofail(dev);
 332     s = SYS_BUS_DEVICE(dev);
 333     pic_mem = s->mmio[0].memory;
 334     k = 0;
 335     for (i = 0; i < smp_cpus; i++) {
 336         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
 337             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
 338         }
 339     }
 340
 341     for (i = 0; i < 64; i++) {
 342         pic[i] = qdev_get_gpio_in(dev, i);
 343     }
 344
 345     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
 346         /* 970 gets a U3 bus */
 347         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
 348         machine_arch = ARCH_MAC99_U3;
 349     } else {
 350         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
 351         machine_arch = ARCH_MAC99;
 352     }
 353     /* init basic PC hardware */
 354     pci_vga_init(pci_bus);
 355
 356     escc_mem = escc_init(0, pic[0x25], pic[0x24],
 357                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
 358     memory_region_init_alias(escc_bar, "escc-bar",
 359                              escc_mem, 0, memory_region_size(escc_mem));
 360
 361     for(i = 0; i < nb_nics; i++)
 362         pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 363
 364     ide_drive_get(hd, MAX_IDE_BUS);
 365     dbdma = DBDMA_init(&dbdma_mem);
 366
 367     /* We only emulate 2 out of 3 IDE controllers for now */
 368     ide_mem[0] = NULL;
 369     ide_mem[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
 370     ide_mem[2] = pmac_ide_init(&hd[MAX_IDE_DEVS], pic[0x0e], dbdma, 0x1a, pic[0x02]);
 371
 372     cuda_init(&cuda_mem, pic[0x19]);
 373
 374     adb_kbd_init(&adb_bus);
 375     adb_mouse_init(&adb_bus);
 376
 377     macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem,
 378                dbdma_mem, cuda_mem, NULL, 3, ide_mem, escc_bar);
 379
 380     if (usb_enabled(machine_arch == ARCH_MAC99_U3)) {
 381         pci_create_simple(pci_bus, -1, "pci-ohci");
 382         /* U3 needs to use USB for input because Linux doesn't support via-cuda
 383         on PPC64 */
 384         if (machine_arch == ARCH_MAC99_U3) {
 385             usbdevice_create("keyboard");
 386             usbdevice_create("mouse");
 387         }
 388     }
 389
 390     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
 391         graphic_depth = 15;
 392
 393     /* The NewWorld NVRAM is not located in the MacIO device */
 394     nvr = macio_nvram_init(0x2000, 1);
 395     pmac_format_nvram_partition(nvr, 0x2000);
 396     macio_nvram_setup_bar(nvr, get_system_memory(), 0xFFF04000);
 397     /* No PCI init: the BIOS will do it */
 398
 399     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
 400     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 401     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 402     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
 403     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
 404     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 405     if (kernel_cmdline) {
 406         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
 407         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
 408     } else {
 409         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
 410     }
 411     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
 412     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 413     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
 414
 415     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
 416     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
 417     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
 418
 419     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
 420     if (kvm_enabled()) {
 421 #ifdef CONFIG_KVM
 422         uint8_t *hypercall;
 423
 424         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
 425         hypercall = g_malloc(16);
 426         kvmppc_get_hypercall(env, hypercall, 16);
 427         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
 428         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
 429 #endif
 430     } else {
 431         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
 432     }
 433
 434     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 435 }
 436
 437 static QEMUMachine core99_machine = {
 438     .name = "mac99",
 439     .desc = "Mac99 based PowerMAC",
 440     .init = ppc_core99_init,
 441     .max_cpus = MAX_CPUS,
 442 #ifdef TARGET_PPC64
 443     .is_default = 1,
 444 #endif
 445     DEFAULT_MACHINE_OPTIONS,
 446 };
 447
 448 static void core99_machine_init(void)
 449 {
 450     qemu_register_machine(&core99_machine);
 451 }
 452
 453 machine_init(core99_machine_init);