| /* |
| * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator |
| * |
| * Copyright (c) 2004-2007 Fabrice Bellard |
| * Copyright (c) 2007 Jocelyn Mayer |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| * PCI bus layout on a real G5 (U3 based): |
| * |
| * 0000:f0:0b.0 Host bridge [0600]: Apple Computer Inc. U3 AGP [106b:004b] |
| * 0000:f0:10.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 AP [Radeon 9600] [1002:4150] |
| * 0001:00:00.0 Host bridge [0600]: Apple Computer Inc. CPC945 HT Bridge [106b:004a] |
| * 0001:00:01.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12) |
| * 0001:00:02.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12) |
| * 0001:00:03.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0045] |
| * 0001:00:04.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0046] |
| * 0001:00:05.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0047] |
| * 0001:00:06.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0048] |
| * 0001:00:07.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0049] |
| * 0001:01:07.0 Class [ff00]: Apple Computer Inc. K2 KeyLargo Mac/IO [106b:0041] (rev 20) |
| * 0001:01:08.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040] |
| * 0001:01:09.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040] |
| * 0001:02:0b.0 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43) |
| * 0001:02:0b.1 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43) |
| * 0001:02:0b.2 USB Controller [0c03]: NEC Corporation USB 2.0 [1033:00e0] (rev 04) |
| * 0001:03:0d.0 Class [ff00]: Apple Computer Inc. K2 ATA/100 [106b:0043] |
| * 0001:03:0e.0 FireWire (IEEE 1394) [0c00]: Apple Computer Inc. K2 FireWire [106b:0042] |
| * 0001:04:0f.0 Ethernet controller [0200]: Apple Computer Inc. K2 GMAC (Sun GEM) [106b:004c] |
| * 0001:05:0c.0 IDE interface [0101]: Broadcom K2 SATA [1166:0240] |
| * |
| */ |
| #include "hw.h" |
| #include "ppc.h" |
| #include "ppc_mac.h" |
| #include "adb.h" |
| #include "mac_dbdma.h" |
| #include "nvram.h" |
| #include "pc.h" |
| #include "pci.h" |
| #include "net.h" |
| #include "sysemu.h" |
| #include "boards.h" |
| #include "fw_cfg.h" |
| #include "escc.h" |
| #include "openpic.h" |
| #include "ide.h" |
| #include "loader.h" |
| #include "elf.h" |
| #include "kvm.h" |
| #include "kvm_ppc.h" |
| #include "hw/usb.h" |
| #include "blockdev.h" |
| #include "exec-memory.h" |
| |
| #define MAX_IDE_BUS 2 |
| #define CFG_ADDR 0xf0000510 |
| |
| /* debug UniNorth */ |
| //#define DEBUG_UNIN |
| |
| #ifdef DEBUG_UNIN |
| #define UNIN_DPRINTF(fmt, ...) \ |
| do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0) |
| #else |
| #define UNIN_DPRINTF(fmt, ...) |
| #endif |
| |
| /* UniN device */ |
| static void unin_write(void *opaque, target_phys_addr_t addr, uint64_t value, |
| unsigned size) |
| { |
| UNIN_DPRINTF("write addr " TARGET_FMT_plx " val %"PRIx64"\n", addr, value); |
| } |
| |
| static uint64_t unin_read(void *opaque, target_phys_addr_t addr, unsigned size) |
| { |
| uint32_t value; |
| |
| value = 0; |
| UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value); |
| |
| return value; |
| } |
| |
| static const MemoryRegionOps unin_ops = { |
| .read = unin_read, |
| .write = unin_write, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| static int fw_cfg_boot_set(void *opaque, const char *boot_device) |
| { |
| fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); |
| return 0; |
| } |
| |
| static uint64_t translate_kernel_address(void *opaque, uint64_t addr) |
| { |
| return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; |
| } |
| |
| static target_phys_addr_t round_page(target_phys_addr_t addr) |
| { |
| return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK; |
| } |
| |
| static void ppc_core99_reset(void *opaque) |
| { |
| CPUPPCState *env = opaque; |
| |
| cpu_state_reset(env); |
| } |
| |
| /* PowerPC Mac99 hardware initialisation */ |
| static void ppc_core99_init (ram_addr_t ram_size, |
| const char *boot_device, |
| const char *kernel_filename, |
| const char *kernel_cmdline, |
| const char *initrd_filename, |
| const char *cpu_model) |
| { |
| CPUPPCState *env = NULL; |
| char *filename; |
| qemu_irq *pic, **openpic_irqs; |
| MemoryRegion *unin_memory = g_new(MemoryRegion, 1); |
| int linux_boot, i; |
| MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1); |
| target_phys_addr_t kernel_base, initrd_base, cmdline_base = 0; |
| long kernel_size, initrd_size; |
| PCIBus *pci_bus; |
| MacIONVRAMState *nvr; |
| int bios_size; |
| MemoryRegion *pic_mem, *dbdma_mem, *cuda_mem, *escc_mem; |
| MemoryRegion *escc_bar = g_new(MemoryRegion, 1); |
| MemoryRegion *ide_mem[3]; |
| int ppc_boot_device; |
| DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
| void *fw_cfg; |
| void *dbdma; |
| int machine_arch; |
| |
| linux_boot = (kernel_filename != NULL); |
| |
| /* init CPUs */ |
| if (cpu_model == NULL) |
| #ifdef TARGET_PPC64 |
| cpu_model = "970fx"; |
| #else |
| cpu_model = "G4"; |
| #endif |
| for (i = 0; i < smp_cpus; i++) { |
| env = cpu_init(cpu_model); |
| if (!env) { |
| fprintf(stderr, "Unable to find PowerPC CPU definition\n"); |
| exit(1); |
| } |
| /* Set time-base frequency to 100 Mhz */ |
| cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); |
| qemu_register_reset(ppc_core99_reset, env); |
| } |
| |
| /* allocate RAM */ |
| memory_region_init_ram(ram, "ppc_core99.ram", ram_size); |
| vmstate_register_ram_global(ram); |
| memory_region_add_subregion(get_system_memory(), 0, ram); |
| |
| /* allocate and load BIOS */ |
| memory_region_init_ram(bios, "ppc_core99.bios", BIOS_SIZE); |
| vmstate_register_ram_global(bios); |
| if (bios_name == NULL) |
| bios_name = PROM_FILENAME; |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| memory_region_set_readonly(bios, true); |
| memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios); |
| |
| /* Load OpenBIOS (ELF) */ |
| if (filename) { |
| bios_size = load_elf(filename, NULL, NULL, NULL, |
| NULL, NULL, 1, ELF_MACHINE, 0); |
| |
| g_free(filename); |
| } else { |
| bios_size = -1; |
| } |
| if (bios_size < 0 || bios_size > BIOS_SIZE) { |
| hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name); |
| exit(1); |
| } |
| |
| if (linux_boot) { |
| uint64_t lowaddr = 0; |
| int bswap_needed; |
| |
| #ifdef BSWAP_NEEDED |
| bswap_needed = 1; |
| #else |
| bswap_needed = 0; |
| #endif |
| kernel_base = KERNEL_LOAD_ADDR; |
| |
| kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, |
| NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); |
| if (kernel_size < 0) |
| kernel_size = load_aout(kernel_filename, kernel_base, |
| ram_size - kernel_base, bswap_needed, |
| TARGET_PAGE_SIZE); |
| if (kernel_size < 0) |
| kernel_size = load_image_targphys(kernel_filename, |
| kernel_base, |
| ram_size - kernel_base); |
| if (kernel_size < 0) { |
| hw_error("qemu: could not load kernel '%s'\n", kernel_filename); |
| exit(1); |
| } |
| /* load initrd */ |
| if (initrd_filename) { |
| initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP); |
| initrd_size = load_image_targphys(initrd_filename, initrd_base, |
| ram_size - initrd_base); |
| if (initrd_size < 0) { |
| hw_error("qemu: could not load initial ram disk '%s'\n", |
| initrd_filename); |
| exit(1); |
| } |
| cmdline_base = round_page(initrd_base + initrd_size); |
| } else { |
| initrd_base = 0; |
| initrd_size = 0; |
| cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP); |
| } |
| ppc_boot_device = 'm'; |
| } else { |
| kernel_base = 0; |
| kernel_size = 0; |
| initrd_base = 0; |
| initrd_size = 0; |
| ppc_boot_device = '\0'; |
| /* We consider that NewWorld PowerMac never have any floppy drive |
| * For now, OHW cannot boot from the network. |
| */ |
| for (i = 0; boot_device[i] != '\0'; i++) { |
| if (boot_device[i] >= 'c' && boot_device[i] <= 'f') { |
| ppc_boot_device = boot_device[i]; |
| break; |
| } |
| } |
| if (ppc_boot_device == '\0') { |
| fprintf(stderr, "No valid boot device for Mac99 machine\n"); |
| exit(1); |
| } |
| } |
| |
| /* Register 8 MB of ISA IO space */ |
| isa_mmio_init(0xf2000000, 0x00800000); |
| |
| /* UniN init */ |
| memory_region_init_io(unin_memory, &unin_ops, NULL, "unin", 0x1000); |
| memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory); |
| |
| openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *)); |
| openpic_irqs[0] = |
| g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); |
| for (i = 0; i < smp_cpus; i++) { |
| /* Mac99 IRQ connection between OpenPIC outputs pins |
| * and PowerPC input pins |
| */ |
| switch (PPC_INPUT(env)) { |
| case PPC_FLAGS_INPUT_6xx: |
| openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); |
| openpic_irqs[i][OPENPIC_OUTPUT_INT] = |
| ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; |
| openpic_irqs[i][OPENPIC_OUTPUT_CINT] = |
| ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; |
| openpic_irqs[i][OPENPIC_OUTPUT_MCK] = |
| ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP]; |
| /* Not connected ? */ |
| openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; |
| /* Check this */ |
| openpic_irqs[i][OPENPIC_OUTPUT_RESET] = |
| ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET]; |
| break; |
| #if defined(TARGET_PPC64) |
| case PPC_FLAGS_INPUT_970: |
| openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); |
| openpic_irqs[i][OPENPIC_OUTPUT_INT] = |
| ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; |
| openpic_irqs[i][OPENPIC_OUTPUT_CINT] = |
| ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; |
| openpic_irqs[i][OPENPIC_OUTPUT_MCK] = |
| ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP]; |
| /* Not connected ? */ |
| openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; |
| /* Check this */ |
| openpic_irqs[i][OPENPIC_OUTPUT_RESET] = |
| ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET]; |
| break; |
| #endif /* defined(TARGET_PPC64) */ |
| default: |
| hw_error("Bus model not supported on mac99 machine\n"); |
| exit(1); |
| } |
| } |
| pic = openpic_init(&pic_mem, smp_cpus, openpic_irqs, NULL); |
| if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) { |
| /* 970 gets a U3 bus */ |
| pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io()); |
| machine_arch = ARCH_MAC99_U3; |
| } else { |
| pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io()); |
| machine_arch = ARCH_MAC99; |
| } |
| /* init basic PC hardware */ |
| pci_vga_init(pci_bus); |
| |
| escc_mem = escc_init(0, pic[0x25], pic[0x24], |
| serial_hds[0], serial_hds[1], ESCC_CLOCK, 4); |
| memory_region_init_alias(escc_bar, "escc-bar", |
| escc_mem, 0, memory_region_size(escc_mem)); |
| |
| for(i = 0; i < nb_nics; i++) |
| pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); |
| |
| ide_drive_get(hd, MAX_IDE_BUS); |
| dbdma = DBDMA_init(&dbdma_mem); |
| |
| /* We only emulate 2 out of 3 IDE controllers for now */ |
| ide_mem[0] = NULL; |
| ide_mem[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]); |
| ide_mem[2] = pmac_ide_init(&hd[MAX_IDE_DEVS], pic[0x0e], dbdma, 0x1a, pic[0x02]); |
| |
| /* cuda also initialize ADB */ |
| if (machine_arch == ARCH_MAC99_U3) { |
| usb_enabled = 1; |
| } |
| cuda_init(&cuda_mem, pic[0x19]); |
| |
| adb_kbd_init(&adb_bus); |
| adb_mouse_init(&adb_bus); |
| |
| macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem, |
| dbdma_mem, cuda_mem, NULL, 3, ide_mem, escc_bar); |
| |
| if (usb_enabled) { |
| pci_create_simple(pci_bus, -1, "pci-ohci"); |
| } |
| |
| /* U3 needs to use USB for input because Linux doesn't support via-cuda |
| on PPC64 */ |
| if (machine_arch == ARCH_MAC99_U3) { |
| usbdevice_create("keyboard"); |
| usbdevice_create("mouse"); |
| } |
| |
| if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) |
| graphic_depth = 15; |
| |
| /* The NewWorld NVRAM is not located in the MacIO device */ |
| nvr = macio_nvram_init(0x2000, 1); |
| pmac_format_nvram_partition(nvr, 0x2000); |
| macio_nvram_setup_bar(nvr, get_system_memory(), 0xFFF04000); |
| /* No PCI init: the BIOS will do it */ |
| |
| fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2); |
| fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1); |
| fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); |
| fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch); |
| fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base); |
| fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); |
| if (kernel_cmdline) { |
| fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base); |
| pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline); |
| } else { |
| fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); |
| } |
| fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base); |
| fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); |
| fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device); |
| |
| fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width); |
| fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height); |
| fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth); |
| |
| fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled()); |
| if (kvm_enabled()) { |
| #ifdef CONFIG_KVM |
| uint8_t *hypercall; |
| |
| fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); |
| hypercall = g_malloc(16); |
| kvmppc_get_hypercall(env, hypercall, 16); |
| fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); |
| fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); |
| #endif |
| } else { |
| fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec()); |
| } |
| |
| qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); |
| } |
| |
| static QEMUMachine core99_machine = { |
| .name = "mac99", |
| .desc = "Mac99 based PowerMAC", |
| .init = ppc_core99_init, |
| .max_cpus = MAX_CPUS, |
| #ifdef TARGET_PPC64 |
| .is_default = 1, |
| #endif |
| }; |
| |
| static void core99_machine_init(void) |
| { |
| qemu_register_machine(&core99_machine); |
| } |
| |
| machine_init(core99_machine_init); |
