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 "pc.h"
  56 #include "pci.h"
  57 #include "usb-ohci.h"
  58 #include "net.h"
  59 #include "sysemu.h"
  60 #include "boards.h"
  61 #include "fw_cfg.h"
  62 #include "escc.h"
  63 #include "openpic.h"
  64 #include "ide.h"
  65 #include "loader.h"
  66 #include "elf.h"
  67 #include "kvm.h"
  68 #include "kvm_ppc.h"
  69 #include "hw/usb.h"
  70 #include "blockdev.h"
  71 #include "exec-memory.h"
  72
  73 #define MAX_IDE_BUS 2
  74 #define CFG_ADDR 0xf0000510
  75
  76 /* debug UniNorth */
  77 //#define DEBUG_UNIN
  78
  79 #ifdef DEBUG_UNIN
  80 #define UNIN_DPRINTF(fmt, ...)                                  \
  81     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
  82 #else
  83 #define UNIN_DPRINTF(fmt, ...)
  84 #endif
  85
  86 /* UniN device */
  87 static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
  88 {
  89     UNIN_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n", addr, value);
  90 }
  91
  92 static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
  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 CPUWriteMemoryFunc * const unin_write[] = {
 103     &unin_writel,
 104     &unin_writel,
 105     &unin_writel,
 106 };
 107
 108 static CPUReadMemoryFunc * const unin_read[] = {
 109     &unin_readl,
 110     &unin_readl,
 111     &unin_readl,
 112 };
 113
 114 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 115 {
 116     fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 117     return 0;
 118 }
 119
 120 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
 121 {
 122     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
 123 }
 124
 125 static target_phys_addr_t round_page(target_phys_addr_t addr)
 126 {
 127     return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
 128 }
 129
 130 /* PowerPC Mac99 hardware initialisation */
 131 static void ppc_core99_init (ram_addr_t ram_size,
 132                              const char *boot_device,
 133                              const char *kernel_filename,
 134                              const char *kernel_cmdline,
 135                              const char *initrd_filename,
 136                              const char *cpu_model)
 137 {
 138     CPUState *env = NULL;
 139     char *filename;
 140     qemu_irq *pic, **openpic_irqs;
 141     int unin_memory;
 142     int linux_boot, i;
 143     ram_addr_t ram_offset, bios_offset;
 144     target_phys_addr_t kernel_base, initrd_base, cmdline_base = 0;
 145     long kernel_size, initrd_size;
 146     PCIBus *pci_bus;
 147     MacIONVRAMState *nvr;
 148     int bios_size;
 149     MemoryRegion *pic_mem, *dbdma_mem, *cuda_mem, *escc_mem;
 150     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
 151     MemoryRegion *ide_mem[3];
 152     int ppc_boot_device;
 153     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 154     void *fw_cfg;
 155     void *dbdma;
 156     int machine_arch;
 157
 158     linux_boot = (kernel_filename != NULL);
 159
 160     /* init CPUs */
 161     if (cpu_model == NULL)
 162 #ifdef TARGET_PPC64
 163         cpu_model = "970fx";
 164 #else
 165         cpu_model = "G4";
 166 #endif
 167     for (i = 0; i < smp_cpus; i++) {
 168         env = cpu_init(cpu_model);
 169         if (!env) {
 170             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
 171             exit(1);
 172         }
 173         /* Set time-base frequency to 100 Mhz */
 174         cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
 175         qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
 176     }
 177
 178     /* allocate RAM */
 179     ram_offset = qemu_ram_alloc(NULL, "ppc_core99.ram", ram_size);
 180     cpu_register_physical_memory(0, ram_size, ram_offset);
 181
 182     /* allocate and load BIOS */
 183     bios_offset = qemu_ram_alloc(NULL, "ppc_core99.bios", BIOS_SIZE);
 184     if (bios_name == NULL)
 185         bios_name = PROM_FILENAME;
 186     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 187     cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
 188
 189     /* Load OpenBIOS (ELF) */
 190     if (filename) {
 191         bios_size = load_elf(filename, NULL, NULL, NULL,
 192                              NULL, NULL, 1, ELF_MACHINE, 0);
 193
 194         g_free(filename);
 195     } else {
 196         bios_size = -1;
 197     }
 198     if (bios_size < 0 || bios_size > BIOS_SIZE) {
 199         hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
 200         exit(1);
 201     }
 202
 203     if (linux_boot) {
 204         uint64_t lowaddr = 0;
 205         int bswap_needed;
 206
 207 #ifdef BSWAP_NEEDED
 208         bswap_needed = 1;
 209 #else
 210         bswap_needed = 0;
 211 #endif
 212         kernel_base = KERNEL_LOAD_ADDR;
 213
 214         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
 215                                NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
 216         if (kernel_size < 0)
 217             kernel_size = load_aout(kernel_filename, kernel_base,
 218                                     ram_size - kernel_base, bswap_needed,
 219                                     TARGET_PAGE_SIZE);
 220         if (kernel_size < 0)
 221             kernel_size = load_image_targphys(kernel_filename,
 222                                               kernel_base,
 223                                               ram_size - kernel_base);
 224         if (kernel_size < 0) {
 225             hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
 226             exit(1);
 227         }
 228         /* load initrd */
 229         if (initrd_filename) {
 230             initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 231             initrd_size = load_image_targphys(initrd_filename, initrd_base,
 232                                               ram_size - initrd_base);
 233             if (initrd_size < 0) {
 234                 hw_error("qemu: could not load initial ram disk '%s'\n",
 235                          initrd_filename);
 236                 exit(1);
 237             }
 238             cmdline_base = round_page(initrd_base + initrd_size);
 239         } else {
 240             initrd_base = 0;
 241             initrd_size = 0;
 242             cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 243         }
 244         ppc_boot_device = 'm';
 245     } else {
 246         kernel_base = 0;
 247         kernel_size = 0;
 248         initrd_base = 0;
 249         initrd_size = 0;
 250         ppc_boot_device = '\0';
 251         /* We consider that NewWorld PowerMac never have any floppy drive
 252          * For now, OHW cannot boot from the network.
 253          */
 254         for (i = 0; boot_device[i] != '\0'; i++) {
 255             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
 256                 ppc_boot_device = boot_device[i];
 257                 break;
 258             }
 259         }
 260         if (ppc_boot_device == '\0') {
 261             fprintf(stderr, "No valid boot device for Mac99 machine\n");
 262             exit(1);
 263         }
 264     }
 265
 266     /* Register 8 MB of ISA IO space */
 267     isa_mmio_init(0xf2000000, 0x00800000);
 268
 269     /* UniN init */
 270     unin_memory = cpu_register_io_memory(unin_read, unin_write, NULL,
 271                                          DEVICE_NATIVE_ENDIAN);
 272     cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
 273
 274     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
 275     openpic_irqs[0] =
 276         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
 277     for (i = 0; i < smp_cpus; i++) {
 278         /* Mac99 IRQ connection between OpenPIC outputs pins
 279          * and PowerPC input pins
 280          */
 281         switch (PPC_INPUT(env)) {
 282         case PPC_FLAGS_INPUT_6xx:
 283             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
 284             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
 285                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
 286             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
 287                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
 288             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
 289                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
 290             /* Not connected ? */
 291             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
 292             /* Check this */
 293             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
 294                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
 295             break;
 296 #if defined(TARGET_PPC64)
 297         case PPC_FLAGS_INPUT_970:
 298             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
 299             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
 300                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
 301             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
 302                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
 303             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
 304                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
 305             /* Not connected ? */
 306             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
 307             /* Check this */
 308             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
 309                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
 310             break;
 311 #endif /* defined(TARGET_PPC64) */
 312         default:
 313             hw_error("Bus model not supported on mac99 machine\n");
 314             exit(1);
 315         }
 316     }
 317     pic = openpic_init(NULL, &pic_mem, smp_cpus, openpic_irqs, NULL);
 318     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
 319         /* 970 gets a U3 bus */
 320         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
 321         machine_arch = ARCH_MAC99_U3;
 322     } else {
 323         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
 324         machine_arch = ARCH_MAC99;
 325     }
 326     /* init basic PC hardware */
 327     pci_vga_init(pci_bus);
 328
 329     escc_mem = escc_init(0, pic[0x25], pic[0x24],
 330                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
 331     memory_region_init_alias(escc_bar, "escc-bar",
 332                              escc_mem, 0, memory_region_size(escc_mem));
 333
 334     for(i = 0; i < nb_nics; i++)
 335         pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 336
 337     ide_drive_get(hd, MAX_IDE_BUS);
 338     dbdma = DBDMA_init(&dbdma_mem);
 339
 340     /* We only emulate 2 out of 3 IDE controllers for now */
 341     ide_mem[0] = NULL;
 342     ide_mem[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
 343     ide_mem[2] = pmac_ide_init(&hd[MAX_IDE_DEVS], pic[0x0e], dbdma, 0x1a, pic[0x02]);
 344
 345     /* cuda also initialize ADB */
 346     if (machine_arch == ARCH_MAC99_U3) {
 347         usb_enabled = 1;
 348     }
 349     cuda_init(&cuda_mem, pic[0x19]);
 350
 351     adb_kbd_init(&adb_bus);
 352     adb_mouse_init(&adb_bus);
 353
 354     macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem,
 355                dbdma_mem, cuda_mem, NULL, 3, ide_mem, escc_bar);
 356
 357     if (usb_enabled) {
 358         usb_ohci_init_pci(pci_bus, -1);
 359     }
 360
 361     /* U3 needs to use USB for input because Linux doesn't support via-cuda
 362        on PPC64 */
 363     if (machine_arch == ARCH_MAC99_U3) {
 364         usbdevice_create("keyboard");
 365         usbdevice_create("mouse");
 366     }
 367
 368     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
 369         graphic_depth = 15;
 370
 371     /* The NewWorld NVRAM is not located in the MacIO device */
 372     nvr = macio_nvram_init(0x2000, 1);
 373     pmac_format_nvram_partition(nvr, 0x2000);
 374     macio_nvram_setup_bar(nvr, get_system_memory(), 0xFFF04000);
 375     /* No PCI init: the BIOS will do it */
 376
 377     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
 378     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 379     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 380     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
 381     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
 382     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 383     if (kernel_cmdline) {
 384         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
 385         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
 386     } else {
 387         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
 388     }
 389     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
 390     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 391     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
 392
 393     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
 394     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
 395     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
 396
 397     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
 398     if (kvm_enabled()) {
 399 #ifdef CONFIG_KVM
 400         uint8_t *hypercall;
 401
 402         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
 403         hypercall = g_malloc(16);
 404         kvmppc_get_hypercall(env, hypercall, 16);
 405         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
 406         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
 407 #endif
 408     } else {
 409         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
 410     }
 411
 412     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 413 }
 414
 415 static QEMUMachine core99_machine = {
 416     .name = "mac99",
 417     .desc = "Mac99 based PowerMAC",
 418     .init = ppc_core99_init,
 419     .max_cpus = MAX_CPUS,
 420 #ifdef TARGET_PPC64
 421     .is_default = 1,
 422 #endif
 423 };
 424
 425 static void core99_machine_init(void)
 426 {
 427     qemu_register_machine(&core99_machine);
 428 }
 429
 430 machine_init(core99_machine_init);