hw/ppc/e500.c

   1 /*
   2  * QEMU PowerPC e500-based platforms
   3  *
   4  * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
   5  *
   6  * Author: Yu Liu,     <yu.liu@freescale.com>
   7  *
   8  * This file is derived from hw/ppc440_bamboo.c,
   9  * the copyright for that material belongs to the original owners.
  10  *
  11  * This is free software; you can redistribute it and/or modify
  12  * it under the terms of  the GNU General  Public License as published by
  13  * the Free Software Foundation;  either version 2 of the  License, or
  14  * (at your option) any later version.
  15  */
  16
  17 #include "config.h"
  18 #include "qemu-common.h"
  19 #include "e500.h"
  20 #include "e500-ccsr.h"
  21 #include "net/net.h"
  22 #include "qemu/config-file.h"
  23 #include "hw/hw.h"
  24 #include "hw/char/serial.h"
  25 #include "hw/pci/pci.h"
  26 #include "hw/boards.h"
  27 #include "sysemu/sysemu.h"
  28 #include "sysemu/kvm.h"
  29 #include "kvm_ppc.h"
  30 #include "sysemu/device_tree.h"
  31 #include "hw/ppc/openpic.h"
  32 #include "hw/ppc/ppc.h"
  33 #include "hw/loader.h"
  34 #include "elf.h"
  35 #include "hw/sysbus.h"
  36 #include "exec/address-spaces.h"
  37 #include "qemu/host-utils.h"
  38 #include "hw/pci-host/ppce500.h"
  39
  40 #define EPAPR_MAGIC                (0x45504150)
  41 #define BINARY_DEVICE_TREE_FILE    "mpc8544ds.dtb"
  42 #define UIMAGE_LOAD_BASE           0
  43 #define DTC_LOAD_PAD               0x1800000
  44 #define DTC_PAD_MASK               0xFFFFF
  45 #define DTB_MAX_SIZE               (8 * 1024 * 1024)
  46 #define INITRD_LOAD_PAD            0x2000000
  47 #define INITRD_PAD_MASK            0xFFFFFF
  48
  49 #define RAM_SIZES_ALIGN            (64UL << 20)
  50
  51 /* TODO: parameterize */
  52 #define MPC8544_CCSRBAR_BASE       0xE0000000ULL
  53 #define MPC8544_CCSRBAR_SIZE       0x00100000ULL
  54 #define MPC8544_MPIC_REGS_OFFSET   0x40000ULL
  55 #define MPC8544_MSI_REGS_OFFSET   0x41600ULL
  56 #define MPC8544_SERIAL0_REGS_OFFSET 0x4500ULL
  57 #define MPC8544_SERIAL1_REGS_OFFSET 0x4600ULL
  58 #define MPC8544_PCI_REGS_OFFSET    0x8000ULL
  59 #define MPC8544_PCI_REGS_BASE      (MPC8544_CCSRBAR_BASE + \
  60                                     MPC8544_PCI_REGS_OFFSET)
  61 #define MPC8544_PCI_REGS_SIZE      0x1000ULL
  62 #define MPC8544_PCI_IO             0xE1000000ULL
  63 #define MPC8544_UTIL_OFFSET        0xe0000ULL
  64 #define MPC8544_SPIN_BASE          0xEF000000ULL
  65
  66 struct boot_info
  67 {
  68     uint32_t dt_base;
  69     uint32_t dt_size;
  70     uint32_t entry;
  71 };
  72
  73 static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int first_slot,
  74                                 int nr_slots, int *len)
  75 {
  76     int i = 0;
  77     int slot;
  78     int pci_irq;
  79     int host_irq;
  80     int last_slot = first_slot + nr_slots;
  81     uint32_t *pci_map;
  82
  83     *len = nr_slots * 4 * 7 * sizeof(uint32_t);
  84     pci_map = g_malloc(*len);
  85
  86     for (slot = first_slot; slot < last_slot; slot++) {
  87         for (pci_irq = 0; pci_irq < 4; pci_irq++) {
  88             pci_map[i++] = cpu_to_be32(slot << 11);
  89             pci_map[i++] = cpu_to_be32(0x0);
  90             pci_map[i++] = cpu_to_be32(0x0);
  91             pci_map[i++] = cpu_to_be32(pci_irq + 1);
  92             pci_map[i++] = cpu_to_be32(mpic);
  93             host_irq = ppce500_pci_map_irq_slot(slot, pci_irq);
  94             pci_map[i++] = cpu_to_be32(host_irq + 1);
  95             pci_map[i++] = cpu_to_be32(0x1);
  96         }
  97     }
  98
  99     assert((i * sizeof(uint32_t)) == *len);
 100
 101     return pci_map;
 102 }
 103
 104 static void dt_serial_create(void *fdt, unsigned long long offset,
 105                              const char *soc, const char *mpic,
 106                              const char *alias, int idx, bool defcon)
 107 {
 108     char ser[128];
 109
 110     snprintf(ser, sizeof(ser), "%s/serial@%llx", soc, offset);
 111     qemu_devtree_add_subnode(fdt, ser);
 112     qemu_devtree_setprop_string(fdt, ser, "device_type", "serial");
 113     qemu_devtree_setprop_string(fdt, ser, "compatible", "ns16550");
 114     qemu_devtree_setprop_cells(fdt, ser, "reg", offset, 0x100);
 115     qemu_devtree_setprop_cell(fdt, ser, "cell-index", idx);
 116     qemu_devtree_setprop_cell(fdt, ser, "clock-frequency", 0);
 117     qemu_devtree_setprop_cells(fdt, ser, "interrupts", 42, 2);
 118     qemu_devtree_setprop_phandle(fdt, ser, "interrupt-parent", mpic);
 119     qemu_devtree_setprop_string(fdt, "/aliases", alias, ser);
 120
 121     if (defcon) {
 122         qemu_devtree_setprop_string(fdt, "/chosen", "linux,stdout-path", ser);
 123     }
 124 }
 125
 126 static int ppce500_load_device_tree(CPUPPCState *env,
 127                                     PPCE500Params *params,
 128                                     hwaddr addr,
 129                                     hwaddr initrd_base,
 130                                     hwaddr initrd_size)
 131 {
 132     int ret = -1;
 133     uint64_t mem_reg_property[] = { 0, cpu_to_be64(params->ram_size) };
 134     int fdt_size;
 135     void *fdt;
 136     uint8_t hypercall[16];
 137     uint32_t clock_freq = 400000000;
 138     uint32_t tb_freq = 400000000;
 139     int i;
 140     const char *toplevel_compat = NULL; /* user override */
 141     char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
 142     char soc[128];
 143     char mpic[128];
 144     uint32_t mpic_ph;
 145     uint32_t msi_ph;
 146     char gutil[128];
 147     char pci[128];
 148     char msi[128];
 149     uint32_t *pci_map = NULL;
 150     int len;
 151     uint32_t pci_ranges[14] =
 152         {
 153             0x2000000, 0x0, 0xc0000000,
 154             0x0, 0xc0000000,
 155             0x0, 0x20000000,
 156
 157             0x1000000, 0x0, 0x0,
 158             0x0, 0xe1000000,
 159             0x0, 0x10000,
 160         };
 161     QemuOpts *machine_opts;
 162     const char *dtb_file = NULL;
 163
 164     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 165     if (machine_opts) {
 166         dtb_file = qemu_opt_get(machine_opts, "dtb");
 167         toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
 168     }
 169
 170     if (dtb_file) {
 171         char *filename;
 172         filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file);
 173         if (!filename) {
 174             goto out;
 175         }
 176
 177         fdt = load_device_tree(filename, &fdt_size);
 178         if (!fdt) {
 179             goto out;
 180         }
 181         goto done;
 182     }
 183
 184     fdt = create_device_tree(&fdt_size);
 185     if (fdt == NULL) {
 186         goto out;
 187     }
 188
 189     /* Manipulate device tree in memory. */
 190     qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2);
 191     qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2);
 192
 193     qemu_devtree_add_subnode(fdt, "/memory");
 194     qemu_devtree_setprop_string(fdt, "/memory", "device_type", "memory");
 195     qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property,
 196                          sizeof(mem_reg_property));
 197
 198     qemu_devtree_add_subnode(fdt, "/chosen");
 199     if (initrd_size) {
 200         ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start",
 201                                         initrd_base);
 202         if (ret < 0) {
 203             fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
 204         }
 205
 206         ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end",
 207                                         (initrd_base + initrd_size));
 208         if (ret < 0) {
 209             fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
 210         }
 211     }
 212
 213     ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
 214                                       params->kernel_cmdline);
 215     if (ret < 0)
 216         fprintf(stderr, "couldn't set /chosen/bootargs\n");
 217
 218     if (kvm_enabled()) {
 219         /* Read out host's frequencies */
 220         clock_freq = kvmppc_get_clockfreq();
 221         tb_freq = kvmppc_get_tbfreq();
 222
 223         /* indicate KVM hypercall interface */
 224         qemu_devtree_add_subnode(fdt, "/hypervisor");
 225         qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible",
 226                                     "linux,kvm");
 227         kvmppc_get_hypercall(env, hypercall, sizeof(hypercall));
 228         qemu_devtree_setprop(fdt, "/hypervisor", "hcall-instructions",
 229                              hypercall, sizeof(hypercall));
 230         /* if KVM supports the idle hcall, set property indicating this */
 231         if (kvmppc_get_hasidle(env)) {
 232             qemu_devtree_setprop(fdt, "/hypervisor", "has-idle", NULL, 0);
 233         }
 234     }
 235
 236     /* Create CPU nodes */
 237     qemu_devtree_add_subnode(fdt, "/cpus");
 238     qemu_devtree_setprop_cell(fdt, "/cpus", "#address-cells", 1);
 239     qemu_devtree_setprop_cell(fdt, "/cpus", "#size-cells", 0);
 240
 241     /* We need to generate the cpu nodes in reverse order, so Linux can pick
 242        the first node as boot node and be happy */
 243     for (i = smp_cpus - 1; i >= 0; i--) {
 244         CPUState *cpu;
 245         char cpu_name[128];
 246         uint64_t cpu_release_addr = MPC8544_SPIN_BASE + (i * 0x20);
 247
 248         cpu = qemu_get_cpu(i);
 249         if (cpu == NULL) {
 250             continue;
 251         }
 252         env = cpu->env_ptr;
 253
 254         snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x",
 255                  cpu->cpu_index);
 256         qemu_devtree_add_subnode(fdt, cpu_name);
 257         qemu_devtree_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq);
 258         qemu_devtree_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq);
 259         qemu_devtree_setprop_string(fdt, cpu_name, "device_type", "cpu");
 260         qemu_devtree_setprop_cell(fdt, cpu_name, "reg", cpu->cpu_index);
 261         qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-line-size",
 262                                   env->dcache_line_size);
 263         qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-line-size",
 264                                   env->icache_line_size);
 265         qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000);
 266         qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000);
 267         qemu_devtree_setprop_cell(fdt, cpu_name, "bus-frequency", 0);
 268         if (cpu->cpu_index) {
 269             qemu_devtree_setprop_string(fdt, cpu_name, "status", "disabled");
 270             qemu_devtree_setprop_string(fdt, cpu_name, "enable-method", "spin-table");
 271             qemu_devtree_setprop_u64(fdt, cpu_name, "cpu-release-addr",
 272                                      cpu_release_addr);
 273         } else {
 274             qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay");
 275         }
 276     }
 277
 278     qemu_devtree_add_subnode(fdt, "/aliases");
 279     /* XXX These should go into their respective devices' code */
 280     snprintf(soc, sizeof(soc), "/soc@%llx", MPC8544_CCSRBAR_BASE);
 281     qemu_devtree_add_subnode(fdt, soc);
 282     qemu_devtree_setprop_string(fdt, soc, "device_type", "soc");
 283     qemu_devtree_setprop(fdt, soc, "compatible", compatible_sb,
 284                          sizeof(compatible_sb));
 285     qemu_devtree_setprop_cell(fdt, soc, "#address-cells", 1);
 286     qemu_devtree_setprop_cell(fdt, soc, "#size-cells", 1);
 287     qemu_devtree_setprop_cells(fdt, soc, "ranges", 0x0,
 288                                MPC8544_CCSRBAR_BASE >> 32, MPC8544_CCSRBAR_BASE,
 289                                MPC8544_CCSRBAR_SIZE);
 290     /* XXX should contain a reasonable value */
 291     qemu_devtree_setprop_cell(fdt, soc, "bus-frequency", 0);
 292
 293     snprintf(mpic, sizeof(mpic), "%s/pic@%llx", soc, MPC8544_MPIC_REGS_OFFSET);
 294     qemu_devtree_add_subnode(fdt, mpic);
 295     qemu_devtree_setprop_string(fdt, mpic, "device_type", "open-pic");
 296     qemu_devtree_setprop_string(fdt, mpic, "compatible", "fsl,mpic");
 297     qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_OFFSET,
 298                                0x40000);
 299     qemu_devtree_setprop_cell(fdt, mpic, "#address-cells", 0);
 300     qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 2);
 301     mpic_ph = qemu_devtree_alloc_phandle(fdt);
 302     qemu_devtree_setprop_cell(fdt, mpic, "phandle", mpic_ph);
 303     qemu_devtree_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph);
 304     qemu_devtree_setprop(fdt, mpic, "interrupt-controller", NULL, 0);
 305
 306     /*
 307      * We have to generate ser1 first, because Linux takes the first
 308      * device it finds in the dt as serial output device. And we generate
 309      * devices in reverse order to the dt.
 310      */
 311     dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
 312                      soc, mpic, "serial1", 1, false);
 313     dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
 314                      soc, mpic, "serial0", 0, true);
 315
 316     snprintf(gutil, sizeof(gutil), "%s/global-utilities@%llx", soc,
 317              MPC8544_UTIL_OFFSET);
 318     qemu_devtree_add_subnode(fdt, gutil);
 319     qemu_devtree_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts");
 320     qemu_devtree_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_OFFSET, 0x1000);
 321     qemu_devtree_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0);
 322
 323     snprintf(msi, sizeof(msi), "/%s/msi@%llx", soc, MPC8544_MSI_REGS_OFFSET);
 324     qemu_devtree_add_subnode(fdt, msi);
 325     qemu_devtree_setprop_string(fdt, msi, "compatible", "fsl,mpic-msi");
 326     qemu_devtree_setprop_cells(fdt, msi, "reg", MPC8544_MSI_REGS_OFFSET, 0x200);
 327     msi_ph = qemu_devtree_alloc_phandle(fdt);
 328     qemu_devtree_setprop_cells(fdt, msi, "msi-available-ranges", 0x0, 0x100);
 329     qemu_devtree_setprop_phandle(fdt, msi, "interrupt-parent", mpic);
 330     qemu_devtree_setprop_cells(fdt, msi, "interrupts",
 331         0xe0, 0x0,
 332         0xe1, 0x0,
 333         0xe2, 0x0,
 334         0xe3, 0x0,
 335         0xe4, 0x0,
 336         0xe5, 0x0,
 337         0xe6, 0x0,
 338         0xe7, 0x0);
 339     qemu_devtree_setprop_cell(fdt, msi, "phandle", msi_ph);
 340     qemu_devtree_setprop_cell(fdt, msi, "linux,phandle", msi_ph);
 341
 342     snprintf(pci, sizeof(pci), "/pci@%llx", MPC8544_PCI_REGS_BASE);
 343     qemu_devtree_add_subnode(fdt, pci);
 344     qemu_devtree_setprop_cell(fdt, pci, "cell-index", 0);
 345     qemu_devtree_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci");
 346     qemu_devtree_setprop_string(fdt, pci, "device_type", "pci");
 347     qemu_devtree_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0,
 348                                0x0, 0x7);
 349     pci_map = pci_map_create(fdt, qemu_devtree_get_phandle(fdt, mpic),
 350                              params->pci_first_slot, params->pci_nr_slots,
 351                              &len);
 352     qemu_devtree_setprop(fdt, pci, "interrupt-map", pci_map, len);
 353     qemu_devtree_setprop_phandle(fdt, pci, "interrupt-parent", mpic);
 354     qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2);
 355     qemu_devtree_setprop_cells(fdt, pci, "bus-range", 0, 255);
 356     for (i = 0; i < 14; i++) {
 357         pci_ranges[i] = cpu_to_be32(pci_ranges[i]);
 358     }
 359     qemu_devtree_setprop_cell(fdt, pci, "fsl,msi", msi_ph);
 360     qemu_devtree_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges));
 361     qemu_devtree_setprop_cells(fdt, pci, "reg", MPC8544_PCI_REGS_BASE >> 32,
 362                                MPC8544_PCI_REGS_BASE, 0, 0x1000);
 363     qemu_devtree_setprop_cell(fdt, pci, "clock-frequency", 66666666);
 364     qemu_devtree_setprop_cell(fdt, pci, "#interrupt-cells", 1);
 365     qemu_devtree_setprop_cell(fdt, pci, "#size-cells", 2);
 366     qemu_devtree_setprop_cell(fdt, pci, "#address-cells", 3);
 367     qemu_devtree_setprop_string(fdt, "/aliases", "pci0", pci);
 368
 369     params->fixup_devtree(params, fdt);
 370
 371     if (toplevel_compat) {
 372         qemu_devtree_setprop(fdt, "/", "compatible", toplevel_compat,
 373                              strlen(toplevel_compat) + 1);
 374     }
 375
 376 done:
 377     qemu_devtree_dumpdtb(fdt, fdt_size);
 378     ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
 379     if (ret < 0) {
 380         goto out;
 381     }
 382     g_free(fdt);
 383     ret = fdt_size;
 384
 385 out:
 386     g_free(pci_map);
 387
 388     return ret;
 389 }
 390
 391 /* Create -kernel TLB entries for BookE.  */
 392 static inline hwaddr booke206_page_size_to_tlb(uint64_t size)
 393 {
 394     return 63 - clz64(size >> 10);
 395 }
 396
 397 static int booke206_initial_map_tsize(CPUPPCState *env)
 398 {
 399     struct boot_info *bi = env->load_info;
 400     hwaddr dt_end;
 401     int ps;
 402
 403     /* Our initial TLB entry needs to cover everything from 0 to
 404        the device tree top */
 405     dt_end = bi->dt_base + bi->dt_size;
 406     ps = booke206_page_size_to_tlb(dt_end) + 1;
 407     if (ps & 1) {
 408         /* e500v2 can only do even TLB size bits */
 409         ps++;
 410     }
 411     return ps;
 412 }
 413
 414 static uint64_t mmubooke_initial_mapsize(CPUPPCState *env)
 415 {
 416     int tsize;
 417
 418     tsize = booke206_initial_map_tsize(env);
 419     return (1ULL << 10 << tsize);
 420 }
 421
 422 static void mmubooke_create_initial_mapping(CPUPPCState *env)
 423 {
 424     ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0);
 425     hwaddr size;
 426     int ps;
 427
 428     ps = booke206_initial_map_tsize(env);
 429     size = (ps << MAS1_TSIZE_SHIFT);
 430     tlb->mas1 = MAS1_VALID | size;
 431     tlb->mas2 = 0;
 432     tlb->mas7_3 = 0;
 433     tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX;
 434
 435     env->tlb_dirty = true;
 436 }
 437
 438 static void ppce500_cpu_reset_sec(void *opaque)
 439 {
 440     PowerPCCPU *cpu = opaque;
 441     CPUState *cs = CPU(cpu);
 442     CPUPPCState *env = &cpu->env;
 443
 444     cpu_reset(cs);
 445
 446     /* Secondary CPU starts in halted state for now. Needs to change when
 447        implementing non-kernel boot. */
 448     cs->halted = 1;
 449     env->exception_index = EXCP_HLT;
 450 }
 451
 452 static void ppce500_cpu_reset(void *opaque)
 453 {
 454     PowerPCCPU *cpu = opaque;
 455     CPUState *cs = CPU(cpu);
 456     CPUPPCState *env = &cpu->env;
 457     struct boot_info *bi = env->load_info;
 458
 459     cpu_reset(cs);
 460
 461     /* Set initial guest state. */
 462     cs->halted = 0;
 463     env->gpr[1] = (16<<20) - 8;
 464     env->gpr[3] = bi->dt_base;
 465     env->gpr[4] = 0;
 466     env->gpr[5] = 0;
 467     env->gpr[6] = EPAPR_MAGIC;
 468     env->gpr[7] = mmubooke_initial_mapsize(env);
 469     env->gpr[8] = 0;
 470     env->gpr[9] = 0;
 471     env->nip = bi->entry;
 472     mmubooke_create_initial_mapping(env);
 473 }
 474
 475 static DeviceState *ppce500_init_mpic_qemu(PPCE500Params *params,
 476                                            qemu_irq **irqs)
 477 {
 478     DeviceState *dev;
 479     SysBusDevice *s;
 480     int i, j, k;
 481
 482     dev = qdev_create(NULL, TYPE_OPENPIC);
 483     qdev_prop_set_uint32(dev, "model", params->mpic_version);
 484     qdev_prop_set_uint32(dev, "nb_cpus", smp_cpus);
 485
 486     qdev_init_nofail(dev);
 487     s = SYS_BUS_DEVICE(dev);
 488
 489     k = 0;
 490     for (i = 0; i < smp_cpus; i++) {
 491         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
 492             sysbus_connect_irq(s, k++, irqs[i][j]);
 493         }
 494     }
 495
 496     return dev;
 497 }
 498
 499 static DeviceState *ppce500_init_mpic_kvm(PPCE500Params *params,
 500                                           qemu_irq **irqs)
 501 {
 502     DeviceState *dev;
 503     CPUPPCState *env;
 504     CPUState *cs;
 505     int r;
 506
 507     dev = qdev_create(NULL, TYPE_KVM_OPENPIC);
 508     qdev_prop_set_uint32(dev, "model", params->mpic_version);
 509
 510     r = qdev_init(dev);
 511     if (r) {
 512         return NULL;
 513     }
 514
 515     for (env = first_cpu; env != NULL; env = env->next_cpu) {
 516         cs = ENV_GET_CPU(env);
 517
 518         if (kvm_openpic_connect_vcpu(dev, cs)) {
 519             fprintf(stderr, "%s: failed to connect vcpu to irqchip\n",
 520                     __func__);
 521             abort();
 522         }
 523     }
 524
 525     return dev;
 526 }
 527
 528 static qemu_irq *ppce500_init_mpic(PPCE500Params *params, MemoryRegion *ccsr,
 529                                    qemu_irq **irqs)
 530 {
 531     QemuOptsList *list;
 532     qemu_irq *mpic;
 533     DeviceState *dev = NULL;
 534     SysBusDevice *s;
 535     int i;
 536
 537     mpic = g_new(qemu_irq, 256);
 538
 539     if (kvm_enabled()) {
 540         bool irqchip_allowed = true, irqchip_required = false;
 541
 542         list = qemu_find_opts("machine");
 543         if (!QTAILQ_EMPTY(&list->head)) {
 544             irqchip_allowed = qemu_opt_get_bool(QTAILQ_FIRST(&list->head),
 545                                                 "kernel_irqchip", true);
 546             irqchip_required = qemu_opt_get_bool(QTAILQ_FIRST(&list->head),
 547                                                  "kernel_irqchip", false);
 548         }
 549
 550         if (irqchip_allowed) {
 551             dev = ppce500_init_mpic_kvm(params, irqs);
 552         }
 553
 554         if (irqchip_required && !dev) {
 555             fprintf(stderr, "%s: irqchip requested but unavailable\n",
 556                     __func__);
 557             abort();
 558         }
 559     }
 560
 561     if (!dev) {
 562         dev = ppce500_init_mpic_qemu(params, irqs);
 563     }
 564
 565     for (i = 0; i < 256; i++) {
 566         mpic[i] = qdev_get_gpio_in(dev, i);
 567     }
 568
 569     s = SYS_BUS_DEVICE(dev);
 570     memory_region_add_subregion(ccsr, MPC8544_MPIC_REGS_OFFSET,
 571                                 s->mmio[0].memory);
 572
 573     return mpic;
 574 }
 575
 576 void ppce500_init(PPCE500Params *params)
 577 {
 578     MemoryRegion *address_space_mem = get_system_memory();
 579     MemoryRegion *ram = g_new(MemoryRegion, 1);
 580     PCIBus *pci_bus;
 581     CPUPPCState *env = NULL;
 582     uint64_t elf_entry;
 583     uint64_t elf_lowaddr;
 584     hwaddr entry=0;
 585     hwaddr loadaddr=UIMAGE_LOAD_BASE;
 586     target_long kernel_size=0;
 587     target_ulong dt_base = 0;
 588     target_ulong initrd_base = 0;
 589     target_long initrd_size = 0;
 590     target_ulong cur_base = 0;
 591     int i;
 592     unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
 593     qemu_irq **irqs, *mpic;
 594     DeviceState *dev;
 595     CPUPPCState *firstenv = NULL;
 596     MemoryRegion *ccsr_addr_space;
 597     SysBusDevice *s;
 598     PPCE500CCSRState *ccsr;
 599
 600     /* Setup CPUs */
 601     if (params->cpu_model == NULL) {
 602         params->cpu_model = "e500v2_v30";
 603     }
 604
 605     irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
 606     irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
 607     for (i = 0; i < smp_cpus; i++) {
 608         PowerPCCPU *cpu;
 609         CPUState *cs;
 610         qemu_irq *input;
 611
 612         cpu = cpu_ppc_init(params->cpu_model);
 613         if (cpu == NULL) {
 614             fprintf(stderr, "Unable to initialize CPU!\n");
 615             exit(1);
 616         }
 617         env = &cpu->env;
 618         cs = CPU(cpu);
 619
 620         if (!firstenv) {
 621             firstenv = env;
 622         }
 623
 624         irqs[i] = irqs[0] + (i * OPENPIC_OUTPUT_NB);
 625         input = (qemu_irq *)env->irq_inputs;
 626         irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT];
 627         irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT];
 628         env->spr[SPR_BOOKE_PIR] = cs->cpu_index = i;
 629         env->mpic_iack = MPC8544_CCSRBAR_BASE +
 630                          MPC8544_MPIC_REGS_OFFSET + 0xa0;
 631
 632         ppc_booke_timers_init(cpu, 400000000, PPC_TIMER_E500);
 633
 634         /* Register reset handler */
 635         if (!i) {
 636             /* Primary CPU */
 637             struct boot_info *boot_info;
 638             boot_info = g_malloc0(sizeof(struct boot_info));
 639             qemu_register_reset(ppce500_cpu_reset, cpu);
 640             env->load_info = boot_info;
 641         } else {
 642             /* Secondary CPUs */
 643             qemu_register_reset(ppce500_cpu_reset_sec, cpu);
 644         }
 645     }
 646
 647     env = firstenv;
 648
 649     /* Fixup Memory size on a alignment boundary */
 650     ram_size &= ~(RAM_SIZES_ALIGN - 1);
 651     params->ram_size = ram_size;
 652
 653     /* Register Memory */
 654     memory_region_init_ram(ram, NULL, "mpc8544ds.ram", ram_size);
 655     vmstate_register_ram_global(ram);
 656     memory_region_add_subregion(address_space_mem, 0, ram);
 657
 658     dev = qdev_create(NULL, "e500-ccsr");
 659     object_property_add_child(qdev_get_machine(), "e500-ccsr",
 660                               OBJECT(dev), NULL);
 661     qdev_init_nofail(dev);
 662     ccsr = CCSR(dev);
 663     ccsr_addr_space = &ccsr->ccsr_space;
 664     memory_region_add_subregion(address_space_mem, MPC8544_CCSRBAR_BASE,
 665                                 ccsr_addr_space);
 666
 667     mpic = ppce500_init_mpic(params, ccsr_addr_space, irqs);
 668
 669     /* Serial */
 670     if (serial_hds[0]) {
 671         serial_mm_init(ccsr_addr_space, MPC8544_SERIAL0_REGS_OFFSET,
 672                        0, mpic[42], 399193,
 673                        serial_hds[0], DEVICE_BIG_ENDIAN);
 674     }
 675
 676     if (serial_hds[1]) {
 677         serial_mm_init(ccsr_addr_space, MPC8544_SERIAL1_REGS_OFFSET,
 678                        0, mpic[42], 399193,
 679                        serial_hds[1], DEVICE_BIG_ENDIAN);
 680     }
 681
 682     /* General Utility device */
 683     dev = qdev_create(NULL, "mpc8544-guts");
 684     qdev_init_nofail(dev);
 685     s = SYS_BUS_DEVICE(dev);
 686     memory_region_add_subregion(ccsr_addr_space, MPC8544_UTIL_OFFSET,
 687                                 sysbus_mmio_get_region(s, 0));
 688
 689     /* PCI */
 690     dev = qdev_create(NULL, "e500-pcihost");
 691     qdev_prop_set_uint32(dev, "first_slot", params->pci_first_slot);
 692     qdev_init_nofail(dev);
 693     s = SYS_BUS_DEVICE(dev);
 694     sysbus_connect_irq(s, 0, mpic[pci_irq_nrs[0]]);
 695     sysbus_connect_irq(s, 1, mpic[pci_irq_nrs[1]]);
 696     sysbus_connect_irq(s, 2, mpic[pci_irq_nrs[2]]);
 697     sysbus_connect_irq(s, 3, mpic[pci_irq_nrs[3]]);
 698     memory_region_add_subregion(ccsr_addr_space, MPC8544_PCI_REGS_OFFSET,
 699                                 sysbus_mmio_get_region(s, 0));
 700
 701     pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
 702     if (!pci_bus)
 703         printf("couldn't create PCI controller!\n");
 704
 705     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, MPC8544_PCI_IO);
 706
 707     if (pci_bus) {
 708         /* Register network interfaces. */
 709         for (i = 0; i < nb_nics; i++) {
 710             pci_nic_init_nofail(&nd_table[i], "virtio", NULL);
 711         }
 712     }
 713
 714     /* Register spinning region */
 715     sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL);
 716
 717     /* Load kernel. */
 718     if (params->kernel_filename) {
 719         kernel_size = load_uimage(params->kernel_filename, &entry,
 720                                   &loadaddr, NULL);
 721         if (kernel_size < 0) {
 722             kernel_size = load_elf(params->kernel_filename, NULL, NULL,
 723                                    &elf_entry, &elf_lowaddr, NULL, 1,
 724                                    ELF_MACHINE, 0);
 725             entry = elf_entry;
 726             loadaddr = elf_lowaddr;
 727         }
 728         /* XXX try again as binary */
 729         if (kernel_size < 0) {
 730             fprintf(stderr, "qemu: could not load kernel '%s'\n",
 731                     params->kernel_filename);
 732             exit(1);
 733         }
 734
 735         cur_base = loadaddr + kernel_size;
 736
 737         /* Reserve space for dtb */
 738         dt_base = (cur_base + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
 739         cur_base += DTB_MAX_SIZE;
 740     }
 741
 742     /* Load initrd. */
 743     if (params->initrd_filename) {
 744         initrd_base = (cur_base + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
 745         initrd_size = load_image_targphys(params->initrd_filename, initrd_base,
 746                                           ram_size - initrd_base);
 747
 748         if (initrd_size < 0) {
 749             fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
 750                     params->initrd_filename);
 751             exit(1);
 752         }
 753
 754         cur_base = initrd_base + initrd_size;
 755     }
 756
 757     /* If we're loading a kernel directly, we must load the device tree too. */
 758     if (params->kernel_filename) {
 759         struct boot_info *boot_info;
 760         int dt_size;
 761
 762         dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base,
 763                                            initrd_size);
 764         if (dt_size < 0) {
 765             fprintf(stderr, "couldn't load device tree\n");
 766             exit(1);
 767         }
 768         assert(dt_size < DTB_MAX_SIZE);
 769
 770         boot_info = env->load_info;
 771         boot_info->entry = entry;
 772         boot_info->dt_base = dt_base;
 773         boot_info->dt_size = dt_size;
 774     }
 775
 776     if (kvm_enabled()) {
 777         kvmppc_init();
 778     }
 779 }
 780
 781 static int e500_ccsr_initfn(SysBusDevice *dev)
 782 {
 783     PPCE500CCSRState *ccsr;
 784
 785     ccsr = CCSR(dev);
 786     memory_region_init(&ccsr->ccsr_space, OBJECT(ccsr), "e500-ccsr",
 787                        MPC8544_CCSRBAR_SIZE);
 788     return 0;
 789 }
 790
 791 static void e500_ccsr_class_init(ObjectClass *klass, void *data)
 792 {
 793     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 794     k->init = e500_ccsr_initfn;
 795 }
 796
 797 static const TypeInfo e500_ccsr_info = {
 798     .name          = TYPE_CCSR,
 799     .parent        = TYPE_SYS_BUS_DEVICE,
 800     .instance_size = sizeof(PPCE500CCSRState),
 801     .class_init    = e500_ccsr_class_init,
 802 };
 803
 804 static void e500_register_types(void)
 805 {
 806     type_register_static(&e500_ccsr_info);
 807 }
 808
 809 type_init(e500_register_types)