Ejemplo n.º 1
0
static void
petalogix_s3adsp1800_init(QEMUMachineInitArgs *args)
{
    ram_addr_t ram_size = args->ram_size;
    const char *cpu_model = args->cpu_model;
    DeviceState *dev;
    MicroBlazeCPU *cpu;
    CPUMBState *env;
    DriveInfo *dinfo;
    int i;
    hwaddr ddr_base = MEMORY_BASEADDR;
    MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1);
    MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
    qemu_irq irq[32], *cpu_irq;
    MemoryRegion *sysmem = get_system_memory();

    /* init CPUs */
    if (cpu_model == NULL) {
        cpu_model = "microblaze";
    }
    cpu = cpu_mb_init(cpu_model);
    env = &cpu->env;

    /* Attach emulated BRAM through the LMB.  */
    memory_region_init_ram(phys_lmb_bram,
                           "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE);
    vmstate_register_ram_global(phys_lmb_bram);
    memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram);

    memory_region_init_ram(phys_ram, "petalogix_s3adsp1800.ram", ram_size);
    vmstate_register_ram_global(phys_ram);
    memory_region_add_subregion(sysmem, ddr_base, phys_ram);

    dinfo = drive_get(IF_PFLASH, 0, 0);
    pflash_cfi01_register(FLASH_BASEADDR,
                          NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE,
                          dinfo ? dinfo->bdrv : NULL, (64 * 1024),
                          FLASH_SIZE >> 16,
                          1, 0x89, 0x18, 0x0000, 0x0, 1);

    cpu_irq = microblaze_pic_init_cpu(env);
    dev = xilinx_intc_create(INTC_BASEADDR, cpu_irq[0], 2);
    for (i = 0; i < 32; i++) {
        irq[i] = qdev_get_gpio_in(dev, i);
    }

    sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR, irq[3]);
    /* 2 timers at irq 2 @ 62 Mhz.  */
    xilinx_timer_create(TIMER_BASEADDR, irq[0], 0, 62 * 1000000);
    xilinx_ethlite_create(&nd_table[0], ETHLITE_BASEADDR, irq[1], 0, 0);

    microblaze_load_kernel(cpu, ddr_base, ram_size,
                           BINARY_DEVICE_TREE_FILE, machine_cpu_reset);
}
static void
petalogix_s3adsp1800_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)
{
    DeviceState *dev;
    CPUState *env;
    int kernel_size;
    DriveInfo *dinfo;
    int i;
    target_phys_addr_t ddr_base = 0x90000000;
    ram_addr_t phys_lmb_bram;
    ram_addr_t phys_ram;
    ram_addr_t phys_flash;
    qemu_irq irq[32], *cpu_irq;

    /* init CPUs */
    if (cpu_model == NULL) {
        cpu_model = "microblaze";
    }
    env = cpu_init(cpu_model);

    env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family.  */
    qemu_register_reset(main_cpu_reset, env);

    /* Attach emulated BRAM through the LMB.  */
    phys_lmb_bram = qemu_ram_alloc(LMB_BRAM_SIZE);
    cpu_register_physical_memory(0x00000000, LMB_BRAM_SIZE,
                                 phys_lmb_bram | IO_MEM_RAM);

    phys_ram = qemu_ram_alloc(ram_size);
    cpu_register_physical_memory(ddr_base, ram_size, phys_ram | IO_MEM_RAM);

    phys_flash = qemu_ram_alloc(FLASH_SIZE);
    dinfo = drive_get(IF_PFLASH, 0, 0);
    pflash_cfi02_register(0xa0000000, phys_flash,
                          dinfo ? dinfo->bdrv : NULL, (64 * 1024),
                          FLASH_SIZE >> 16,
                          1, 1, 0x0000, 0x0000, 0x0000, 0x0000,
                          0x555, 0x2aa);

    cpu_irq = microblaze_pic_init_cpu(env);
    dev = xilinx_intc_create(0x81800000, cpu_irq[0], 2);
    for (i = 0; i < 32; i++) {
        irq[i] = qdev_get_gpio_in(dev, i);
    }

    sysbus_create_simple("xilinx,uartlite", 0x84000000, irq[3]);
    /* 2 timers at irq 2 @ 62 Mhz.  */
    xilinx_timer_create(0x83c00000, irq[0], 2, 62 * 1000000);
    xilinx_ethlite_create(&nd_table[0], 0x81000000, irq[1], 0, 0);

    if (kernel_filename) {
        uint64_t entry, low, high;
        int kcmdline_len;
        uint32_t base32;

        /* Boots a kernel elf binary.  */
        kernel_size = load_elf(kernel_filename, 0,
                               &entry, &low, &high,
                               1, ELF_MACHINE, 0);
        base32 = entry;
        if (base32 == 0xc0000000) {
            kernel_size = load_elf(kernel_filename, -0x30000000LL,
                                   &entry, NULL, NULL,
                                   1, ELF_MACHINE, 0);
        }
        /* Always boot into physical ram.  */
        bootstrap_pc = ddr_base + (entry & 0x0fffffff);
        if (kernel_size < 0) {
            /* If we failed loading ELF's try a raw image.  */
            kernel_size = load_image_targphys(kernel_filename, ddr_base,
                                              ram_size);
            bootstrap_pc = ddr_base;
        }

        env->regs[5] = ddr_base + kernel_size + 8192;
        if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
            pstrcpy_targphys("cmdline", env->regs[5], 256, kernel_cmdline);
        }
        env->regs[6] = 0;
        /* Provide a device-tree.  */
        env->regs[7] = ddr_base + kernel_size + 256;
        petalogix_load_device_tree(env->regs[7], ram_size,
                                   env->regs[6], 0,
                                   kernel_cmdline);
    }

    env->sregs[SR_PC] = bootstrap_pc;
}
Ejemplo n.º 3
0
static void
petalogix_ml605_init(QEMUMachineInitArgs *args)
{
    ram_addr_t ram_size = args->ram_size;
    const char *cpu_model = args->cpu_model;
    MemoryRegion *address_space_mem = get_system_memory();
    DeviceState *dev, *dma, *eth0;
    MicroBlazeCPU *cpu;
    SysBusDevice *busdev;
    CPUMBState *env;
    DriveInfo *dinfo;
    int i;
    hwaddr ddr_base = MEMORY_BASEADDR;
    MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1);
    MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
    qemu_irq irq[32], *cpu_irq;

    /* init CPUs */
    if (cpu_model == NULL) {
        cpu_model = "microblaze";
    }
    cpu = cpu_mb_init(cpu_model);
    env = &cpu->env;

    /* Attach emulated BRAM through the LMB.  */
    memory_region_init_ram(phys_lmb_bram, "petalogix_ml605.lmb_bram",
                           LMB_BRAM_SIZE);
    vmstate_register_ram_global(phys_lmb_bram);
    memory_region_add_subregion(address_space_mem, 0x00000000, phys_lmb_bram);

    memory_region_init_ram(phys_ram, "petalogix_ml605.ram", ram_size);
    vmstate_register_ram_global(phys_ram);
    memory_region_add_subregion(address_space_mem, ddr_base, phys_ram);

    dinfo = drive_get(IF_PFLASH, 0, 0);
    /* 5th parameter 2 means bank-width
     * 10th paremeter 0 means little-endian */
    pflash_cfi01_register(FLASH_BASEADDR,
                          NULL, "petalogix_ml605.flash", FLASH_SIZE,
                          dinfo ? dinfo->bdrv : NULL, (64 * 1024),
                          FLASH_SIZE >> 16,
                          2, 0x89, 0x18, 0x0000, 0x0, 0);


    cpu_irq = microblaze_pic_init_cpu(env);
    dev = xilinx_intc_create(INTC_BASEADDR, cpu_irq[0], 4);
    for (i = 0; i < 32; i++) {
        irq[i] = qdev_get_gpio_in(dev, i);
    }

    serial_mm_init(address_space_mem, UART16550_BASEADDR + 0x1000, 2,
                   irq[5], 115200, serial_hds[0], DEVICE_LITTLE_ENDIAN);

    /* 2 timers at irq 2 @ 100 Mhz.  */
    xilinx_timer_create(TIMER_BASEADDR, irq[2], 0, 100 * 1000000);

    /* axi ethernet and dma initialization. */
    dma = qdev_create(NULL, "xlnx.axi-dma");

    /* FIXME: attach to the sysbus instead */
    object_property_add_child(container_get(qdev_get_machine(), "/unattached"),
                                  "xilinx-dma", OBJECT(dma), NULL);

    eth0 = xilinx_axiethernet_create(&nd_table[0], STREAM_SLAVE(dma),
                                     0x82780000, irq[3], 0x1000, 0x1000);

    xilinx_axiethernetdma_init(dma, STREAM_SLAVE(eth0),
                               0x84600000, irq[1], irq[0], 100 * 1000000);

    {
        SSIBus *spi;

        dev = qdev_create(NULL, "xlnx.xps-spi");
        qdev_prop_set_uint8(dev, "num-ss-bits", NUM_SPI_FLASHES);
        qdev_init_nofail(dev);
        busdev = SYS_BUS_DEVICE(dev);
        sysbus_mmio_map(busdev, 0, 0x40a00000);
        sysbus_connect_irq(busdev, 0, irq[4]);

        spi = (SSIBus *)qdev_get_child_bus(dev, "spi");

        for (i = 0; i < NUM_SPI_FLASHES; i++) {
            qemu_irq cs_line;

            dev = ssi_create_slave_no_init(spi, "m25p80");
            qdev_prop_set_string(dev, "partname", "n25q128");
            qdev_init_nofail(dev);
            cs_line = qdev_get_gpio_in(dev, 0);
            sysbus_connect_irq(busdev, i+1, cs_line);
        }
    }

    microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
                                                            machine_cpu_reset);

}