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1.1 root 1: /* 1.1.1.6 ! root 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: * 1.1 root 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: */ 1.1.1.6 ! root 25: #include "hw.h" ! 26: #include "ppc.h" ! 27: #include "ppc_mac.h" ! 28: #include "nvram.h" ! 29: #include "pc.h" ! 30: #include "pci.h" ! 31: #include "net.h" ! 32: #include "sysemu.h" ! 33: #include "boards.h" 1.1 root 34: 1.1.1.6 ! root 35: #define MAX_IDE_BUS 2 1.1 root 36: 37: /* UniN device */ 38: static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value) 39: { 40: } 41: 42: static uint32_t unin_readl (void *opaque, target_phys_addr_t addr) 43: { 44: return 0; 45: } 46: 47: static CPUWriteMemoryFunc *unin_write[] = { 48: &unin_writel, 49: &unin_writel, 50: &unin_writel, 51: }; 52: 53: static CPUReadMemoryFunc *unin_read[] = { 54: &unin_readl, 55: &unin_readl, 56: &unin_readl, 57: }; 58: 1.1.1.6 ! root 59: /* PowerPC Mac99 hardware initialisation */ ! 60: static void ppc_core99_init (int ram_size, int vga_ram_size, ! 61: const char *boot_device, DisplayState *ds, ! 62: const char *kernel_filename, ! 63: const char *kernel_cmdline, ! 64: const char *initrd_filename, ! 65: const char *cpu_model) 1.1 root 66: { 1.1.1.6 ! root 67: CPUState *env = NULL, *envs[MAX_CPUS]; 1.1 root 68: char buf[1024]; 1.1.1.6 ! root 69: qemu_irq *pic, **openpic_irqs; 1.1.1.5 root 70: int unin_memory; 1.1 root 71: int linux_boot, i; 72: unsigned long bios_offset, vga_bios_offset; 73: uint32_t kernel_base, kernel_size, initrd_base, initrd_size; 74: PCIBus *pci_bus; 1.1.1.6 ! root 75: nvram_t nvram; ! 76: #if 0 ! 77: MacIONVRAMState *nvr; ! 78: int nvram_mem_index; ! 79: #endif ! 80: m48t59_t *m48t59; 1.1 root 81: int vga_bios_size, bios_size; 1.1.1.6 ! root 82: qemu_irq *dummy_irq; ! 83: int pic_mem_index, dbdma_mem_index, cuda_mem_index; ! 84: int ide_mem_index[2]; ! 85: int ppc_boot_device; ! 86: int index; ! 87: BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 1.1 root 88: 89: linux_boot = (kernel_filename != NULL); 90: 1.1.1.2 root 91: /* init CPUs */ 1.1.1.6 ! root 92: if (cpu_model == NULL) ! 93: cpu_model = "default"; ! 94: for (i = 0; i < smp_cpus; i++) { ! 95: env = cpu_init(cpu_model); ! 96: if (!env) { ! 97: fprintf(stderr, "Unable to find PowerPC CPU definition\n"); ! 98: exit(1); ! 99: } ! 100: /* Set time-base frequency to 100 Mhz */ ! 101: cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); ! 102: #if 0 ! 103: env->osi_call = vga_osi_call; ! 104: #endif ! 105: qemu_register_reset(&cpu_ppc_reset, env); ! 106: register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); ! 107: envs[i] = env; ! 108: } ! 109: if (env->nip < 0xFFF80000) { ! 110: /* Special test for PowerPC 601: ! 111: * the boot vector is at 0xFFF00100, then we need a 1MB BIOS. ! 112: * But the NVRAM is located at 0xFFF04000... ! 113: */ ! 114: cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n"); ! 115: } 1.1.1.2 root 116: 1.1 root 117: /* allocate RAM */ 118: cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); 119: 120: /* allocate and load BIOS */ 121: bios_offset = ram_size + vga_ram_size; 1.1.1.6 ! root 122: if (bios_name == NULL) ! 123: bios_name = BIOS_FILENAME; ! 124: snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); 1.1 root 125: bios_size = load_image(buf, phys_ram_base + bios_offset); 126: if (bios_size < 0 || bios_size > BIOS_SIZE) { 1.1.1.6 ! root 127: cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf); 1.1 root 128: exit(1); 129: } 130: bios_size = (bios_size + 0xfff) & ~0xfff; 1.1.1.6 ! root 131: if (bios_size > 0x00080000) { ! 132: /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */ ! 133: cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n"); ! 134: } ! 135: cpu_register_physical_memory((uint32_t)(-bios_size), 1.1 root 136: bios_size, bios_offset | IO_MEM_ROM); 1.1.1.6 ! root 137: 1.1 root 138: /* allocate and load VGA BIOS */ 139: vga_bios_offset = bios_offset + bios_size; 140: snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); 141: vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8); 142: if (vga_bios_size < 0) { 143: /* if no bios is present, we can still work */ 144: fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf); 145: vga_bios_size = 0; 146: } else { 147: /* set a specific header (XXX: find real Apple format for NDRV 148: drivers) */ 149: phys_ram_base[vga_bios_offset] = 'N'; 150: phys_ram_base[vga_bios_offset + 1] = 'D'; 151: phys_ram_base[vga_bios_offset + 2] = 'R'; 152: phys_ram_base[vga_bios_offset + 3] = 'V'; 1.1.1.6 ! root 153: cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4), 1.1 root 154: vga_bios_size); 155: vga_bios_size += 8; 156: } 157: vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff; 1.1.1.6 ! root 158: 1.1 root 159: if (linux_boot) { 160: kernel_base = KERNEL_LOAD_ADDR; 161: /* now we can load the kernel */ 162: kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base); 163: if (kernel_size < 0) { 1.1.1.6 ! root 164: cpu_abort(env, "qemu: could not load kernel '%s'\n", ! 165: kernel_filename); 1.1 root 166: exit(1); 167: } 168: /* load initrd */ 169: if (initrd_filename) { 170: initrd_base = INITRD_LOAD_ADDR; 171: initrd_size = load_image(initrd_filename, 172: phys_ram_base + initrd_base); 173: if (initrd_size < 0) { 1.1.1.6 ! root 174: cpu_abort(env, "qemu: could not load initial ram disk '%s'\n", ! 175: initrd_filename); 1.1 root 176: exit(1); 177: } 178: } else { 179: initrd_base = 0; 180: initrd_size = 0; 181: } 1.1.1.6 ! root 182: ppc_boot_device = 'm'; 1.1 root 183: } else { 184: kernel_base = 0; 185: kernel_size = 0; 186: initrd_base = 0; 187: initrd_size = 0; 1.1.1.6 ! root 188: ppc_boot_device = '\0'; ! 189: /* We consider that NewWorld PowerMac never have any floppy drive ! 190: * For now, OHW cannot boot from the network. ! 191: */ ! 192: for (i = 0; boot_device[i] != '\0'; i++) { ! 193: if (boot_device[i] >= 'c' && boot_device[i] <= 'f') { ! 194: ppc_boot_device = boot_device[i]; ! 195: break; ! 196: } ! 197: } ! 198: if (ppc_boot_device == '\0') { ! 199: fprintf(stderr, "No valid boot device for Mac99 machine\n"); ! 200: exit(1); ! 201: } 1.1 root 202: } 203: 1.1.1.6 ! root 204: isa_mem_base = 0x80000000; 1.1 root 205: 1.1.1.6 ! root 206: /* Register 8 MB of ISA IO space */ ! 207: isa_mmio_init(0xf2000000, 0x00800000); 1.1 root 208: 1.1.1.6 ! root 209: /* UniN init */ ! 210: unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL); ! 211: cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory); ! 212: ! 213: openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *)); ! 214: openpic_irqs[0] = ! 215: qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); ! 216: for (i = 0; i < smp_cpus; i++) { ! 217: /* Mac99 IRQ connection between OpenPIC outputs pins ! 218: * and PowerPC input pins ! 219: */ ! 220: switch (PPC_INPUT(env)) { ! 221: case PPC_FLAGS_INPUT_6xx: ! 222: openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); ! 223: openpic_irqs[i][OPENPIC_OUTPUT_INT] = ! 224: ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; ! 225: openpic_irqs[i][OPENPIC_OUTPUT_CINT] = ! 226: ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; ! 227: openpic_irqs[i][OPENPIC_OUTPUT_MCK] = ! 228: ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP]; ! 229: /* Not connected ? */ ! 230: openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; ! 231: /* Check this */ ! 232: openpic_irqs[i][OPENPIC_OUTPUT_RESET] = ! 233: ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET]; ! 234: break; ! 235: #if defined(TARGET_PPC64) ! 236: case PPC_FLAGS_INPUT_970: ! 237: openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); ! 238: openpic_irqs[i][OPENPIC_OUTPUT_INT] = ! 239: ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; ! 240: openpic_irqs[i][OPENPIC_OUTPUT_CINT] = ! 241: ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; ! 242: openpic_irqs[i][OPENPIC_OUTPUT_MCK] = ! 243: ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP]; ! 244: /* Not connected ? */ ! 245: openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; ! 246: /* Check this */ ! 247: openpic_irqs[i][OPENPIC_OUTPUT_RESET] = ! 248: ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET]; ! 249: break; ! 250: #endif /* defined(TARGET_PPC64) */ ! 251: default: ! 252: cpu_abort(env, "Bus model not supported on mac99 machine\n"); ! 253: exit(1); 1.1 root 254: } 1.1.1.6 ! root 255: } ! 256: pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL); ! 257: pci_bus = pci_pmac_init(pic); ! 258: /* init basic PC hardware */ ! 259: pci_vga_init(pci_bus, ds, phys_ram_base + ram_size, ! 260: ram_size, vga_ram_size, ! 261: vga_bios_offset, vga_bios_size); ! 262: ! 263: /* XXX: suppress that */ ! 264: dummy_irq = i8259_init(NULL); ! 265: ! 266: /* XXX: use Mac Serial port */ ! 267: serial_init(0x3f8, dummy_irq[4], serial_hds[0]); ! 268: for(i = 0; i < nb_nics; i++) { ! 269: if (!nd_table[i].model) ! 270: nd_table[i].model = "ne2k_pci"; ! 271: pci_nic_init(pci_bus, &nd_table[i], -1); ! 272: } ! 273: if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { ! 274: fprintf(stderr, "qemu: too many IDE bus\n"); ! 275: exit(1); ! 276: } ! 277: for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { ! 278: index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); ! 279: if (index != -1) ! 280: hd[i] = drives_table[index].bdrv; ! 281: else ! 282: hd[i] = NULL; ! 283: } 1.1 root 284: #if 1 1.1.1.6 ! root 285: ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13]); ! 286: ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14]); 1.1 root 287: #else 1.1.1.6 ! root 288: pci_cmd646_ide_init(pci_bus, &hd[0], 0); 1.1 root 289: #endif 1.1.1.6 ! root 290: /* cuda also initialize ADB */ ! 291: cuda_init(&cuda_mem_index, pic[0x19]); ! 292: ! 293: adb_kbd_init(&adb_bus); ! 294: adb_mouse_init(&adb_bus); ! 295: ! 296: dbdma_init(&dbdma_mem_index); ! 297: ! 298: macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index, ! 299: cuda_mem_index, NULL, 2, ide_mem_index); 1.1.1.4 root 300: 301: if (usb_enabled) { 1.1.1.6 ! root 302: usb_ohci_init_pci(pci_bus, 3, -1); 1.1.1.4 root 303: } 304: 1.1 root 305: if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) 306: graphic_depth = 15; 1.1.1.6 ! root 307: #if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */ ! 308: /* The NewWorld NVRAM is not located in the MacIO device */ ! 309: nvr = macio_nvram_init(&nvram_mem_index, 0x2000); ! 310: pmac_format_nvram_partition(nvr, 0x2000); ! 311: macio_nvram_map(nvr, 0xFFF04000); ! 312: nvram.opaque = nvr; ! 313: nvram.read_fn = &macio_nvram_read; ! 314: nvram.write_fn = &macio_nvram_write; ! 315: #else ! 316: m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59); ! 317: nvram.opaque = m48t59; ! 318: nvram.read_fn = &m48t59_read; ! 319: nvram.write_fn = &m48t59_write; ! 320: #endif ! 321: PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size, ! 322: ppc_boot_device, kernel_base, kernel_size, 1.1 root 323: kernel_cmdline, 324: initrd_base, initrd_size, 325: /* XXX: need an option to load a NVRAM image */ 326: 0, 327: graphic_width, graphic_height, graphic_depth); 328: /* No PCI init: the BIOS will do it */ 329: 330: /* Special port to get debug messages from Open-Firmware */ 331: register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL); 332: } 333: 334: QEMUMachine core99_machine = { 335: "mac99", 336: "Mac99 based PowerMAC", 337: ppc_core99_init, 338: };
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