qemu/hw/ppc_newworld.c
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   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 "mac_dbdma.h"
  53#include "nvram.h"
  54#include "pc.h"
  55#include "pci.h"
  56#include "usb-ohci.h"
  57#include "net.h"
  58#include "sysemu.h"
  59#include "boards.h"
  60#include "fw_cfg.h"
  61#include "escc.h"
  62#include "openpic.h"
  63#include "ide.h"
  64#include "loader.h"
  65#include "elf.h"
  66#include "kvm.h"
  67#include "kvm_ppc.h"
  68#include "hw/usb.h"
  69#include "blockdev.h"
  70
  71#define MAX_IDE_BUS 2
  72#define CFG_ADDR 0xf0000510
  73
  74/* debug UniNorth */
  75//#define DEBUG_UNIN
  76
  77#ifdef DEBUG_UNIN
  78#define UNIN_DPRINTF(fmt, ...)                                  \
  79    do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
  80#else
  81#define UNIN_DPRINTF(fmt, ...)
  82#endif
  83
  84/* UniN device */
  85static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
  86{
  87    UNIN_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n", addr, value);
  88}
  89
  90static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
  91{
  92    uint32_t value;
  93
  94    value = 0;
  95    UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
  96
  97    return value;
  98}
  99
 100static CPUWriteMemoryFunc * const unin_write[] = {
 101    &unin_writel,
 102    &unin_writel,
 103    &unin_writel,
 104};
 105
 106static CPUReadMemoryFunc * const unin_read[] = {
 107    &unin_readl,
 108    &unin_readl,
 109    &unin_readl,
 110};
 111
 112static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 113{
 114    fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 115    return 0;
 116}
 117
 118static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
 119{
 120    return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
 121}
 122
 123static target_phys_addr_t round_page(target_phys_addr_t addr)
 124{
 125    return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
 126}
 127
 128/* PowerPC Mac99 hardware initialisation */
 129static void ppc_core99_init (ram_addr_t ram_size,
 130                             const char *boot_device,
 131                             const char *kernel_filename,
 132                             const char *kernel_cmdline,
 133                             const char *initrd_filename,
 134                             const char *cpu_model)
 135{
 136    CPUState *env = NULL;
 137    char *filename;
 138    qemu_irq *pic, **openpic_irqs;
 139    int unin_memory;
 140    int linux_boot, i;
 141    ram_addr_t ram_offset, bios_offset;
 142    target_phys_addr_t kernel_base, initrd_base, cmdline_base = 0;
 143    long kernel_size, initrd_size;
 144    PCIBus *pci_bus;
 145    MacIONVRAMState *nvr;
 146    int nvram_mem_index;
 147    int bios_size;
 148    int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
 149    int ide_mem_index[3];
 150    int ppc_boot_device;
 151    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 152    void *fw_cfg;
 153    void *dbdma;
 154    int machine_arch;
 155
 156    linux_boot = (kernel_filename != NULL);
 157
 158    /* init CPUs */
 159    if (cpu_model == NULL)
 160#ifdef TARGET_PPC64
 161        cpu_model = "970fx";
 162#else
 163        cpu_model = "G4";
 164#endif
 165    for (i = 0; i < smp_cpus; i++) {
 166        env = cpu_init(cpu_model);
 167        if (!env) {
 168            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
 169            exit(1);
 170        }
 171        /* Set time-base frequency to 100 Mhz */
 172        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
 173        qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
 174    }
 175
 176    /* allocate RAM */
 177    ram_offset = qemu_ram_alloc(NULL, "ppc_core99.ram", ram_size);
 178    cpu_register_physical_memory(0, ram_size, ram_offset);
 179
 180    /* allocate and load BIOS */
 181    bios_offset = qemu_ram_alloc(NULL, "ppc_core99.bios", BIOS_SIZE);
 182    if (bios_name == NULL)
 183        bios_name = PROM_FILENAME;
 184    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 185    cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
 186
 187    /* Load OpenBIOS (ELF) */
 188    if (filename) {
 189        bios_size = load_elf(filename, NULL, NULL, NULL,
 190                             NULL, NULL, 1, ELF_MACHINE, 0);
 191
 192        qemu_free(filename);
 193    } else {
 194        bios_size = -1;
 195    }
 196    if (bios_size < 0 || bios_size > BIOS_SIZE) {
 197        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
 198        exit(1);
 199    }
 200
 201    if (linux_boot) {
 202        uint64_t lowaddr = 0;
 203        int bswap_needed;
 204
 205#ifdef BSWAP_NEEDED
 206        bswap_needed = 1;
 207#else
 208        bswap_needed = 0;
 209#endif
 210        kernel_base = KERNEL_LOAD_ADDR;
 211
 212        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
 213                               NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
 214        if (kernel_size < 0)
 215            kernel_size = load_aout(kernel_filename, kernel_base,
 216                                    ram_size - kernel_base, bswap_needed,
 217                                    TARGET_PAGE_SIZE);
 218        if (kernel_size < 0)
 219            kernel_size = load_image_targphys(kernel_filename,
 220                                              kernel_base,
 221                                              ram_size - kernel_base);
 222        if (kernel_size < 0) {
 223            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
 224            exit(1);
 225        }
 226        /* load initrd */
 227        if (initrd_filename) {
 228            initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 229            initrd_size = load_image_targphys(initrd_filename, initrd_base,
 230                                              ram_size - initrd_base);
 231            if (initrd_size < 0) {
 232                hw_error("qemu: could not load initial ram disk '%s'\n",
 233                         initrd_filename);
 234                exit(1);
 235            }
 236            cmdline_base = round_page(initrd_base + initrd_size);
 237        } else {
 238            initrd_base = 0;
 239            initrd_size = 0;
 240            cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
 241        }
 242        ppc_boot_device = 'm';
 243    } else {
 244        kernel_base = 0;
 245        kernel_size = 0;
 246        initrd_base = 0;
 247        initrd_size = 0;
 248        ppc_boot_device = '\0';
 249        /* We consider that NewWorld PowerMac never have any floppy drive
 250         * For now, OHW cannot boot from the network.
 251         */
 252        for (i = 0; boot_device[i] != '\0'; i++) {
 253            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
 254                ppc_boot_device = boot_device[i];
 255                break;
 256            }
 257        }
 258        if (ppc_boot_device == '\0') {
 259            fprintf(stderr, "No valid boot device for Mac99 machine\n");
 260            exit(1);
 261        }
 262    }
 263
 264    isa_mem_base = 0x80000000;
 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 = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
 275    openpic_irqs[0] =
 276        qemu_mallocz(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_index, 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);
 321        machine_arch = ARCH_MAC99_U3;
 322    } else {
 323        pci_bus = pci_pmac_init(pic);
 324        machine_arch = ARCH_MAC99;
 325    }
 326    /* init basic PC hardware */
 327    pci_vga_init(pci_bus);
 328
 329    escc_mem_index = escc_init(0x80013000, pic[0x25], pic[0x24],
 330                               serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
 331
 332    for(i = 0; i < nb_nics; i++)
 333        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 334
 335    ide_drive_get(hd, MAX_IDE_BUS);
 336    dbdma = DBDMA_init(&dbdma_mem_index);
 337
 338    /* We only emulate 2 out of 3 IDE controllers for now */
 339    ide_mem_index[0] = -1;
 340    ide_mem_index[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
 341    ide_mem_index[2] = pmac_ide_init(&hd[MAX_IDE_DEVS], pic[0x0e], dbdma, 0x1a, pic[0x02]);
 342
 343    /* cuda also initialize ADB */
 344    if (machine_arch == ARCH_MAC99_U3) {
 345        usb_enabled = 1;
 346    }
 347    cuda_init(&cuda_mem_index, pic[0x19]);
 348
 349    adb_kbd_init(&adb_bus);
 350    adb_mouse_init(&adb_bus);
 351
 352    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
 353               dbdma_mem_index, cuda_mem_index, NULL, 3, ide_mem_index,
 354               escc_mem_index);
 355
 356    if (usb_enabled) {
 357        usb_ohci_init_pci(pci_bus, -1);
 358    }
 359
 360    /* U3 needs to use USB for input because Linux doesn't support via-cuda
 361       on PPC64 */
 362    if (machine_arch == ARCH_MAC99_U3) {
 363        usbdevice_create("keyboard");
 364        usbdevice_create("mouse");
 365    }
 366
 367    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
 368        graphic_depth = 15;
 369
 370    /* The NewWorld NVRAM is not located in the MacIO device */
 371    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
 372    pmac_format_nvram_partition(nvr, 0x2000);
 373    macio_nvram_map(nvr, 0xFFF04000);
 374    /* No PCI init: the BIOS will do it */
 375
 376    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
 377    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 378    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 379    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
 380    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
 381    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 382    if (kernel_cmdline) {
 383        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
 384        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
 385    } else {
 386        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
 387    }
 388    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
 389    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 390    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
 391
 392    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
 393    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
 394    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
 395
 396    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
 397    if (kvm_enabled()) {
 398#ifdef CONFIG_KVM
 399        uint8_t *hypercall;
 400
 401        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
 402        hypercall = qemu_malloc(16);
 403        kvmppc_get_hypercall(env, hypercall, 16);
 404        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
 405        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
 406#endif
 407    } else {
 408        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
 409    }
 410
 411    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 412}
 413
 414static QEMUMachine core99_machine = {
 415    .name = "mac99",
 416    .desc = "Mac99 based PowerMAC",
 417    .init = ppc_core99_init,
 418    .max_cpus = MAX_CPUS,
 419#ifdef TARGET_PPC64
 420    .is_default = 1,
 421#endif
 422};
 423
 424static void core99_machine_init(void)
 425{
 426    qemu_register_machine(&core99_machine);
 427}
 428
 429machine_init(core99_machine_init);
 430