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;
}
