| /* |
| * QEMU MIPS Jazz support |
| * |
| * Copyright (c) 2007-2008 Hervé Poussineau |
| * |
| * 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. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/datadir.h" |
| #include "hw/clock.h" |
| #include "hw/mips/mips.h" |
| #include "hw/mips/cpudevs.h" |
| #include "hw/intc/i8259.h" |
| #include "hw/dma/i8257.h" |
| #include "hw/char/serial.h" |
| #include "hw/char/parallel.h" |
| #include "hw/isa/isa.h" |
| #include "hw/block/fdc.h" |
| #include "sysemu/sysemu.h" |
| #include "hw/boards.h" |
| #include "net/net.h" |
| #include "hw/scsi/esp.h" |
| #include "hw/mips/bios.h" |
| #include "hw/loader.h" |
| #include "hw/rtc/mc146818rtc.h" |
| #include "hw/timer/i8254.h" |
| #include "hw/display/vga.h" |
| #include "hw/display/bochs-vbe.h" |
| #include "hw/audio/pcspk.h" |
| #include "hw/input/i8042.h" |
| #include "hw/sysbus.h" |
| #include "sysemu/qtest.h" |
| #include "sysemu/reset.h" |
| #include "qapi/error.h" |
| #include "qemu/error-report.h" |
| #include "qemu/help_option.h" |
| #ifdef CONFIG_TCG |
| #include "hw/core/tcg-cpu-ops.h" |
| #endif /* CONFIG_TCG */ |
| |
| enum jazz_model_e { |
| JAZZ_MAGNUM, |
| JAZZ_PICA61, |
| }; |
| |
| static void main_cpu_reset(void *opaque) |
| { |
| MIPSCPU *cpu = opaque; |
| |
| cpu_reset(CPU(cpu)); |
| } |
| |
| static uint64_t rtc_read(void *opaque, hwaddr addr, unsigned size) |
| { |
| uint8_t val; |
| address_space_read(&address_space_memory, 0x90000071, |
| MEMTXATTRS_UNSPECIFIED, &val, 1); |
| return val; |
| } |
| |
| static void rtc_write(void *opaque, hwaddr addr, |
| uint64_t val, unsigned size) |
| { |
| uint8_t buf = val & 0xff; |
| address_space_write(&address_space_memory, 0x90000071, |
| MEMTXATTRS_UNSPECIFIED, &buf, 1); |
| } |
| |
| static const MemoryRegionOps rtc_ops = { |
| .read = rtc_read, |
| .write = rtc_write, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| static uint64_t dma_dummy_read(void *opaque, hwaddr addr, |
| unsigned size) |
| { |
| /* |
| * Nothing to do. That is only to ensure that |
| * the current DMA acknowledge cycle is completed. |
| */ |
| return 0xff; |
| } |
| |
| static void dma_dummy_write(void *opaque, hwaddr addr, |
| uint64_t val, unsigned size) |
| { |
| /* |
| * Nothing to do. That is only to ensure that |
| * the current DMA acknowledge cycle is completed. |
| */ |
| } |
| |
| static const MemoryRegionOps dma_dummy_ops = { |
| .read = dma_dummy_read, |
| .write = dma_dummy_write, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| #define MAGNUM_BIOS_SIZE_MAX 0x7e000 |
| #define MAGNUM_BIOS_SIZE \ |
| (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX) |
| |
| #define SONIC_PROM_SIZE 0x1000 |
| |
| static void mips_jazz_init(MachineState *machine, |
| enum jazz_model_e jazz_model) |
| { |
| MemoryRegion *address_space = get_system_memory(); |
| char *filename; |
| int bios_size, n, big_endian; |
| Clock *cpuclk; |
| MIPSCPU *cpu; |
| MIPSCPUClass *mcc; |
| CPUMIPSState *env; |
| qemu_irq *i8259; |
| rc4030_dma *dmas; |
| IOMMUMemoryRegion *rc4030_dma_mr; |
| MemoryRegion *isa_mem = g_new(MemoryRegion, 1); |
| MemoryRegion *isa_io = g_new(MemoryRegion, 1); |
| MemoryRegion *rtc = g_new(MemoryRegion, 1); |
| MemoryRegion *dma_dummy = g_new(MemoryRegion, 1); |
| MemoryRegion *dp8393x_prom = g_new(MemoryRegion, 1); |
| NICInfo *nd; |
| DeviceState *dev, *rc4030; |
| MMIOKBDState *i8042; |
| SysBusDevice *sysbus; |
| ISABus *isa_bus; |
| ISADevice *pit; |
| DriveInfo *fds[MAX_FD]; |
| MemoryRegion *bios = g_new(MemoryRegion, 1); |
| MemoryRegion *bios2 = g_new(MemoryRegion, 1); |
| SysBusESPState *sysbus_esp; |
| ESPState *esp; |
| static const struct { |
| unsigned freq_hz; |
| unsigned pll_mult; |
| } ext_clk[] = { |
| [JAZZ_MAGNUM] = {50000000, 2}, |
| [JAZZ_PICA61] = {33333333, 4}, |
| }; |
| |
| #if TARGET_BIG_ENDIAN |
| big_endian = 1; |
| #else |
| big_endian = 0; |
| #endif |
| |
| if (machine->ram_size > 256 * MiB) { |
| error_report("RAM size more than 256Mb is not supported"); |
| exit(EXIT_FAILURE); |
| } |
| |
| cpuclk = clock_new(OBJECT(machine), "cpu-refclk"); |
| clock_set_hz(cpuclk, ext_clk[jazz_model].freq_hz |
| * ext_clk[jazz_model].pll_mult); |
| |
| /* init CPUs */ |
| cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk); |
| env = &cpu->env; |
| qemu_register_reset(main_cpu_reset, cpu); |
| |
| /* |
| * Chipset returns 0 in invalid reads and do not raise data exceptions. |
| * However, we can't simply add a global memory region to catch |
| * everything, as this would make all accesses including instruction |
| * accesses be ignored and not raise exceptions. |
| * |
| * NOTE: this behaviour of raising exceptions for bad instruction |
| * fetches but not bad data accesses was added in commit 54e755588cf1e9 |
| * to restore behaviour broken by c658b94f6e8c206, but it is not clear |
| * whether the real hardware behaves this way. It is possible that |
| * real hardware ignores bad instruction fetches as well -- if so then |
| * we could replace this hijacking of CPU methods with a simple global |
| * memory region that catches all memory accesses, as we do on Malta. |
| */ |
| mcc = MIPS_CPU_GET_CLASS(cpu); |
| mcc->no_data_aborts = true; |
| |
| /* allocate RAM */ |
| memory_region_add_subregion(address_space, 0, machine->ram); |
| |
| memory_region_init_rom(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE, |
| &error_fatal); |
| memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios, |
| 0, MAGNUM_BIOS_SIZE); |
| memory_region_add_subregion(address_space, 0x1fc00000LL, bios); |
| memory_region_add_subregion(address_space, 0xfff00000LL, bios2); |
| |
| /* load the BIOS image. */ |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, machine->firmware ?: BIOS_FILENAME); |
| if (filename) { |
| bios_size = load_image_targphys(filename, 0xfff00000LL, |
| MAGNUM_BIOS_SIZE); |
| g_free(filename); |
| } else { |
| bios_size = -1; |
| } |
| if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) |
| && machine->firmware && !qtest_enabled()) { |
| error_report("Could not load MIPS bios '%s'", machine->firmware); |
| exit(1); |
| } |
| |
| /* Init CPU internal devices */ |
| cpu_mips_irq_init_cpu(cpu); |
| cpu_mips_clock_init(cpu); |
| |
| /* Chipset */ |
| rc4030 = rc4030_init(&dmas, &rc4030_dma_mr); |
| sysbus = SYS_BUS_DEVICE(rc4030); |
| sysbus_connect_irq(sysbus, 0, env->irq[6]); |
| sysbus_connect_irq(sysbus, 1, env->irq[3]); |
| memory_region_add_subregion(address_space, 0x80000000, |
| sysbus_mmio_get_region(sysbus, 0)); |
| memory_region_add_subregion(address_space, 0xf0000000, |
| sysbus_mmio_get_region(sysbus, 1)); |
| memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, |
| NULL, "dummy_dma", 0x1000); |
| memory_region_add_subregion(address_space, 0x8000d000, dma_dummy); |
| |
| memory_region_init_rom(dp8393x_prom, NULL, "dp8393x-jazz.prom", |
| SONIC_PROM_SIZE, &error_fatal); |
| memory_region_add_subregion(address_space, 0x8000b000, dp8393x_prom); |
| |
| /* ISA bus: IO space at 0x90000000, mem space at 0x91000000 */ |
| memory_region_init(isa_io, NULL, "isa-io", 0x00010000); |
| memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000); |
| memory_region_add_subregion(address_space, 0x90000000, isa_io); |
| memory_region_add_subregion(address_space, 0x91000000, isa_mem); |
| isa_bus = isa_bus_new(NULL, isa_mem, isa_io, &error_abort); |
| |
| /* ISA devices */ |
| i8259 = i8259_init(isa_bus, env->irq[4]); |
| isa_bus_irqs(isa_bus, i8259); |
| i8257_dma_init(isa_bus, 0); |
| pit = i8254_pit_init(isa_bus, 0x40, 0, NULL); |
| pcspk_init(isa_new(TYPE_PC_SPEAKER), isa_bus, pit); |
| |
| /* Video card */ |
| switch (jazz_model) { |
| case JAZZ_MAGNUM: |
| dev = qdev_new("sysbus-g364"); |
| sysbus = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(sysbus, &error_fatal); |
| sysbus_mmio_map(sysbus, 0, 0x60080000); |
| sysbus_mmio_map(sysbus, 1, 0x40000000); |
| sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 3)); |
| { |
| /* Simple ROM, so user doesn't have to provide one */ |
| MemoryRegion *rom_mr = g_new(MemoryRegion, 1); |
| memory_region_init_rom(rom_mr, NULL, "g364fb.rom", 0x80000, |
| &error_fatal); |
| uint8_t *rom = memory_region_get_ram_ptr(rom_mr); |
| memory_region_add_subregion(address_space, 0x60000000, rom_mr); |
| rom[0] = 0x10; /* Mips G364 */ |
| } |
| break; |
| case JAZZ_PICA61: |
| dev = qdev_new(TYPE_VGA_MMIO); |
| qdev_prop_set_uint8(dev, "it_shift", 0); |
| sysbus = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(sysbus, &error_fatal); |
| sysbus_mmio_map(sysbus, 0, 0x60000000); |
| sysbus_mmio_map(sysbus, 1, 0x400a0000); |
| sysbus_mmio_map(sysbus, 2, VBE_DISPI_LFB_PHYSICAL_ADDRESS); |
| break; |
| default: |
| break; |
| } |
| |
| /* Network controller */ |
| for (n = 0; n < nb_nics; n++) { |
| nd = &nd_table[n]; |
| if (!nd->model) { |
| nd->model = g_strdup("dp83932"); |
| } |
| if (strcmp(nd->model, "dp83932") == 0) { |
| int checksum, i; |
| uint8_t *prom; |
| |
| qemu_check_nic_model(nd, "dp83932"); |
| |
| dev = qdev_new("dp8393x"); |
| qdev_set_nic_properties(dev, nd); |
| qdev_prop_set_uint8(dev, "it_shift", 2); |
| qdev_prop_set_bit(dev, "big_endian", big_endian > 0); |
| object_property_set_link(OBJECT(dev), "dma_mr", |
| OBJECT(rc4030_dma_mr), &error_abort); |
| sysbus = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(sysbus, &error_fatal); |
| sysbus_mmio_map(sysbus, 0, 0x80001000); |
| sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4)); |
| |
| /* Add MAC address with valid checksum to PROM */ |
| prom = memory_region_get_ram_ptr(dp8393x_prom); |
| checksum = 0; |
| for (i = 0; i < 6; i++) { |
| prom[i] = nd->macaddr.a[i]; |
| checksum += prom[i]; |
| if (checksum > 0xff) { |
| checksum = (checksum + 1) & 0xff; |
| } |
| } |
| prom[7] = 0xff - checksum; |
| break; |
| } else if (is_help_option(nd->model)) { |
| error_report("Supported NICs: dp83932"); |
| exit(1); |
| } else { |
| error_report("Unsupported NIC: %s", nd->model); |
| exit(1); |
| } |
| } |
| |
| /* SCSI adapter */ |
| dev = qdev_new(TYPE_SYSBUS_ESP); |
| sysbus_esp = SYSBUS_ESP(dev); |
| esp = &sysbus_esp->esp; |
| esp->dma_memory_read = rc4030_dma_read; |
| esp->dma_memory_write = rc4030_dma_write; |
| esp->dma_opaque = dmas[0]; |
| sysbus_esp->it_shift = 0; |
| /* XXX for now until rc4030 has been changed to use DMA enable signal */ |
| esp->dma_enabled = 1; |
| |
| sysbus = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(sysbus, &error_fatal); |
| sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 5)); |
| sysbus_mmio_map(sysbus, 0, 0x80002000); |
| |
| scsi_bus_legacy_handle_cmdline(&esp->bus); |
| |
| /* Floppy */ |
| for (n = 0; n < MAX_FD; n++) { |
| fds[n] = drive_get(IF_FLOPPY, 0, n); |
| } |
| /* FIXME: we should enable DMA with a custom IsaDma device */ |
| fdctrl_init_sysbus(qdev_get_gpio_in(rc4030, 1), 0x80003000, fds); |
| |
| /* Real time clock */ |
| mc146818_rtc_init(isa_bus, 1980, NULL); |
| memory_region_init_io(rtc, NULL, &rtc_ops, NULL, "rtc", 0x1000); |
| memory_region_add_subregion(address_space, 0x80004000, rtc); |
| |
| /* Keyboard (i8042) */ |
| i8042 = I8042_MMIO(qdev_new(TYPE_I8042_MMIO)); |
| qdev_prop_set_uint64(DEVICE(i8042), "mask", 1); |
| qdev_prop_set_uint32(DEVICE(i8042), "size", 0x1000); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(i8042), &error_fatal); |
| |
| qdev_connect_gpio_out(DEVICE(i8042), I8042_KBD_IRQ, |
| qdev_get_gpio_in(rc4030, 6)); |
| qdev_connect_gpio_out(DEVICE(i8042), I8042_MOUSE_IRQ, |
| qdev_get_gpio_in(rc4030, 7)); |
| |
| memory_region_add_subregion(address_space, 0x80005000, |
| sysbus_mmio_get_region(SYS_BUS_DEVICE(i8042), |
| 0)); |
| |
| /* Serial ports */ |
| serial_mm_init(address_space, 0x80006000, 0, |
| qdev_get_gpio_in(rc4030, 8), 8000000 / 16, |
| serial_hd(0), DEVICE_NATIVE_ENDIAN); |
| serial_mm_init(address_space, 0x80007000, 0, |
| qdev_get_gpio_in(rc4030, 9), 8000000 / 16, |
| serial_hd(1), DEVICE_NATIVE_ENDIAN); |
| |
| /* Parallel port */ |
| if (parallel_hds[0]) |
| parallel_mm_init(address_space, 0x80008000, 0, |
| qdev_get_gpio_in(rc4030, 0), parallel_hds[0]); |
| |
| /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */ |
| |
| /* NVRAM */ |
| dev = qdev_new("ds1225y"); |
| sysbus = SYS_BUS_DEVICE(dev); |
| sysbus_realize_and_unref(sysbus, &error_fatal); |
| sysbus_mmio_map(sysbus, 0, 0x80009000); |
| |
| /* LED indicator */ |
| sysbus_create_simple("jazz-led", 0x8000f000, NULL); |
| |
| g_free(dmas); |
| } |
| |
| static |
| void mips_magnum_init(MachineState *machine) |
| { |
| mips_jazz_init(machine, JAZZ_MAGNUM); |
| } |
| |
| static |
| void mips_pica61_init(MachineState *machine) |
| { |
| mips_jazz_init(machine, JAZZ_PICA61); |
| } |
| |
| static void mips_magnum_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->desc = "MIPS Magnum"; |
| mc->init = mips_magnum_init; |
| mc->block_default_type = IF_SCSI; |
| mc->default_cpu_type = MIPS_CPU_TYPE_NAME("R4000"); |
| mc->default_ram_id = "mips_jazz.ram"; |
| } |
| |
| static const TypeInfo mips_magnum_type = { |
| .name = MACHINE_TYPE_NAME("magnum"), |
| .parent = TYPE_MACHINE, |
| .class_init = mips_magnum_class_init, |
| }; |
| |
| static void mips_pica61_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->desc = "Acer Pica 61"; |
| mc->init = mips_pica61_init; |
| mc->block_default_type = IF_SCSI; |
| mc->default_cpu_type = MIPS_CPU_TYPE_NAME("R4000"); |
| mc->default_ram_id = "mips_jazz.ram"; |
| } |
| |
| static const TypeInfo mips_pica61_type = { |
| .name = MACHINE_TYPE_NAME("pica61"), |
| .parent = TYPE_MACHINE, |
| .class_init = mips_pica61_class_init, |
| }; |
| |
| static void mips_jazz_machine_init(void) |
| { |
| type_register_static(&mips_magnum_type); |
| type_register_static(&mips_pica61_type); |
| } |
| |
| type_init(mips_jazz_machine_init) |
