diff options
Diffstat (limited to 'hw/arm/xilinx_zynq.c')
| -rw-r--r-- | hw/arm/xilinx_zynq.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c index 3a0fa5b23f..3d439a45d5 100644 --- a/hw/arm/xilinx_zynq.c +++ b/hw/arm/xilinx_zynq.c @@ -158,16 +158,20 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, static void zynq_init(MachineState *machine) { - ram_addr_t ram_size = machine->ram_size; ARMCPU *cpu; MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *ext_ram = g_new(MemoryRegion, 1); MemoryRegion *ocm_ram = g_new(MemoryRegion, 1); DeviceState *dev; SysBusDevice *busdev; qemu_irq pic[64]; int n; + /* max 2GB ram */ + if (machine->ram_size > 2 * GiB) { + error_report("RAM size more than 2 GiB is not supported"); + exit(EXIT_FAILURE); + } + cpu = ARM_CPU(object_new(machine->cpu_type)); /* By default A9 CPUs have EL3 enabled. This board does not @@ -184,15 +188,8 @@ static void zynq_init(MachineState *machine) &error_fatal); object_property_set_bool(OBJECT(cpu), true, "realized", &error_fatal); - /* max 2GB ram */ - if (ram_size > 0x80000000) { - ram_size = 0x80000000; - } - /* DDR remapped to address zero. */ - memory_region_allocate_system_memory(ext_ram, NULL, "zynq.ext_ram", - ram_size); - memory_region_add_subregion(address_space_mem, 0, ext_ram); + memory_region_add_subregion(address_space_mem, 0, machine->ram); /* 256K of on-chip memory */ memory_region_init_ram(ocm_ram, NULL, "zynq.ocm_ram", 256 * KiB, @@ -300,7 +297,7 @@ static void zynq_init(MachineState *machine) sysbus_connect_irq(busdev, 0, pic[40 - IRQ_OFFSET]); sysbus_mmio_map(busdev, 0, 0xF8007000); - zynq_binfo.ram_size = ram_size; + zynq_binfo.ram_size = machine->ram_size; zynq_binfo.nb_cpus = 1; zynq_binfo.board_id = 0xd32; zynq_binfo.loader_start = 0; @@ -318,6 +315,7 @@ static void zynq_machine_init(MachineClass *mc) mc->no_sdcard = 1; mc->ignore_memory_transaction_failures = true; mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); + mc->default_ram_id = "zynq.ext_ram"; } DEFINE_MACHINE("xilinx-zynq-a9", zynq_machine_init) |