|  | /* | 
|  | * Calxeda Highbank SoC emulation | 
|  | * | 
|  | * Copyright (c) 2010-2012 Calxeda | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms and conditions of the GNU General Public License, | 
|  | * version 2 or later, as published by the Free Software Foundation. | 
|  | * | 
|  | * This program is distributed in the hope it will be useful, but WITHOUT | 
|  | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
|  | * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for | 
|  | * more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License along with | 
|  | * this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "qemu/datadir.h" | 
|  | #include "qapi/error.h" | 
|  | #include "hw/sysbus.h" | 
|  | #include "migration/vmstate.h" | 
|  | #include "hw/arm/boot.h" | 
|  | #include "hw/loader.h" | 
|  | #include "net/net.h" | 
|  | #include "sysemu/runstate.h" | 
|  | #include "sysemu/sysemu.h" | 
|  | #include "hw/boards.h" | 
|  | #include "qemu/error-report.h" | 
|  | #include "hw/char/pl011.h" | 
|  | #include "hw/ide/ahci-sysbus.h" | 
|  | #include "hw/cpu/a9mpcore.h" | 
|  | #include "hw/cpu/a15mpcore.h" | 
|  | #include "qemu/log.h" | 
|  | #include "qom/object.h" | 
|  | #include "cpu.h" | 
|  | #include "target/arm/cpu-qom.h" | 
|  |  | 
|  | #define SMP_BOOT_ADDR           0x100 | 
|  | #define SMP_BOOT_REG            0x40 | 
|  | #define MPCORE_PERIPHBASE       0xfff10000 | 
|  |  | 
|  | #define MVBAR_ADDR              0x200 | 
|  | #define BOARD_SETUP_ADDR        (MVBAR_ADDR + 8 * sizeof(uint32_t)) | 
|  |  | 
|  | #define NIRQ_GIC                160 | 
|  |  | 
|  | /* Board init.  */ | 
|  |  | 
|  | #define NUM_REGS      0x200 | 
|  | static void hb_regs_write(void *opaque, hwaddr offset, | 
|  | uint64_t value, unsigned size) | 
|  | { | 
|  | uint32_t *regs = opaque; | 
|  |  | 
|  | if (offset == 0xf00) { | 
|  | if (value == 1 || value == 2) { | 
|  | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); | 
|  | } else if (value == 3) { | 
|  | qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (offset / 4 >= NUM_REGS) { | 
|  | qemu_log_mask(LOG_GUEST_ERROR, | 
|  | "highbank: bad write offset 0x%" HWADDR_PRIx "\n", offset); | 
|  | return; | 
|  | } | 
|  | regs[offset / 4] = value; | 
|  | } | 
|  |  | 
|  | static uint64_t hb_regs_read(void *opaque, hwaddr offset, | 
|  | unsigned size) | 
|  | { | 
|  | uint32_t value; | 
|  | uint32_t *regs = opaque; | 
|  |  | 
|  | if (offset / 4 >= NUM_REGS) { | 
|  | qemu_log_mask(LOG_GUEST_ERROR, | 
|  | "highbank: bad read offset 0x%" HWADDR_PRIx "\n", offset); | 
|  | return 0; | 
|  | } | 
|  | value = regs[offset / 4]; | 
|  |  | 
|  | if ((offset == 0x100) || (offset == 0x108) || (offset == 0x10C)) { | 
|  | value |= 0x30000000; | 
|  | } | 
|  |  | 
|  | return value; | 
|  | } | 
|  |  | 
|  | static const MemoryRegionOps hb_mem_ops = { | 
|  | .read = hb_regs_read, | 
|  | .write = hb_regs_write, | 
|  | .endianness = DEVICE_NATIVE_ENDIAN, | 
|  | }; | 
|  |  | 
|  | #define TYPE_HIGHBANK_REGISTERS "highbank-regs" | 
|  | OBJECT_DECLARE_SIMPLE_TYPE(HighbankRegsState, HIGHBANK_REGISTERS) | 
|  |  | 
|  | struct HighbankRegsState { | 
|  | /*< private >*/ | 
|  | SysBusDevice parent_obj; | 
|  | /*< public >*/ | 
|  |  | 
|  | MemoryRegion iomem; | 
|  | uint32_t regs[NUM_REGS]; | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_highbank_regs = { | 
|  | .name = "highbank-regs", | 
|  | .version_id = 0, | 
|  | .minimum_version_id = 0, | 
|  | .fields = (const VMStateField[]) { | 
|  | VMSTATE_UINT32_ARRAY(regs, HighbankRegsState, NUM_REGS), | 
|  | VMSTATE_END_OF_LIST(), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static void highbank_regs_reset(DeviceState *dev) | 
|  | { | 
|  | HighbankRegsState *s = HIGHBANK_REGISTERS(dev); | 
|  |  | 
|  | s->regs[0x40] = 0x05F20121; | 
|  | s->regs[0x41] = 0x2; | 
|  | s->regs[0x42] = 0x05F30121; | 
|  | s->regs[0x43] = 0x05F40121; | 
|  | } | 
|  |  | 
|  | static void highbank_regs_init(Object *obj) | 
|  | { | 
|  | HighbankRegsState *s = HIGHBANK_REGISTERS(obj); | 
|  | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | 
|  |  | 
|  | memory_region_init_io(&s->iomem, obj, &hb_mem_ops, s->regs, | 
|  | "highbank_regs", 0x1000); | 
|  | sysbus_init_mmio(dev, &s->iomem); | 
|  | } | 
|  |  | 
|  | static void highbank_regs_class_init(ObjectClass *klass, void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(klass); | 
|  |  | 
|  | dc->desc = "Calxeda Highbank registers"; | 
|  | dc->vmsd = &vmstate_highbank_regs; | 
|  | dc->reset = highbank_regs_reset; | 
|  | } | 
|  |  | 
|  | static const TypeInfo highbank_regs_info = { | 
|  | .name          = TYPE_HIGHBANK_REGISTERS, | 
|  | .parent        = TYPE_SYS_BUS_DEVICE, | 
|  | .instance_size = sizeof(HighbankRegsState), | 
|  | .instance_init = highbank_regs_init, | 
|  | .class_init    = highbank_regs_class_init, | 
|  | }; | 
|  |  | 
|  | static void highbank_regs_register_types(void) | 
|  | { | 
|  | type_register_static(&highbank_regs_info); | 
|  | } | 
|  |  | 
|  | type_init(highbank_regs_register_types) | 
|  |  | 
|  | static struct arm_boot_info highbank_binfo; | 
|  |  | 
|  | enum cxmachines { | 
|  | CALXEDA_HIGHBANK, | 
|  | CALXEDA_MIDWAY, | 
|  | }; | 
|  |  | 
|  | /* ram_size must be set to match the upper bound of memory in the | 
|  | * device tree (linux/arch/arm/boot/dts/highbank.dts), which is | 
|  | * normally 0xff900000 or -m 4089. When running this board on a | 
|  | * 32-bit host, set the reg value of memory to 0xf7ff00000 in the | 
|  | * device tree and pass -m 2047 to QEMU. | 
|  | */ | 
|  | static void calxeda_init(MachineState *machine, enum cxmachines machine_id) | 
|  | { | 
|  | DeviceState *dev = NULL; | 
|  | SysBusDevice *busdev; | 
|  | qemu_irq pic[128]; | 
|  | int n; | 
|  | unsigned int smp_cpus = machine->smp.cpus; | 
|  | qemu_irq cpu_irq[4]; | 
|  | qemu_irq cpu_fiq[4]; | 
|  | qemu_irq cpu_virq[4]; | 
|  | qemu_irq cpu_vfiq[4]; | 
|  | MemoryRegion *sysram; | 
|  | MemoryRegion *sysmem; | 
|  | char *sysboot_filename; | 
|  |  | 
|  | switch (machine_id) { | 
|  | case CALXEDA_HIGHBANK: | 
|  | machine->cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); | 
|  | break; | 
|  | case CALXEDA_MIDWAY: | 
|  | machine->cpu_type = ARM_CPU_TYPE_NAME("cortex-a15"); | 
|  | break; | 
|  | default: | 
|  | assert(0); | 
|  | } | 
|  |  | 
|  | for (n = 0; n < smp_cpus; n++) { | 
|  | Object *cpuobj; | 
|  | ARMCPU *cpu; | 
|  |  | 
|  | cpuobj = object_new(machine->cpu_type); | 
|  | cpu = ARM_CPU(cpuobj); | 
|  |  | 
|  | object_property_add_child(OBJECT(machine), "cpu[*]", cpuobj); | 
|  | object_property_set_int(cpuobj, "psci-conduit", QEMU_PSCI_CONDUIT_SMC, | 
|  | &error_abort); | 
|  |  | 
|  | if (object_property_find(cpuobj, "reset-cbar")) { | 
|  | object_property_set_int(cpuobj, "reset-cbar", MPCORE_PERIPHBASE, | 
|  | &error_abort); | 
|  | } | 
|  | qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); | 
|  | cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ); | 
|  | cpu_fiq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ); | 
|  | cpu_virq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_VIRQ); | 
|  | cpu_vfiq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_VFIQ); | 
|  | } | 
|  |  | 
|  | sysmem = get_system_memory(); | 
|  | /* SDRAM at address zero.  */ | 
|  | memory_region_add_subregion(sysmem, 0, machine->ram); | 
|  |  | 
|  | sysram = g_new(MemoryRegion, 1); | 
|  | memory_region_init_ram(sysram, NULL, "highbank.sysram", 0x8000, | 
|  | &error_fatal); | 
|  | memory_region_add_subregion(sysmem, 0xfff88000, sysram); | 
|  | if (machine->firmware != NULL) { | 
|  | sysboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, machine->firmware); | 
|  | if (sysboot_filename != NULL) { | 
|  | if (load_image_targphys(sysboot_filename, 0xfff88000, 0x8000) < 0) { | 
|  | error_report("Unable to load %s", machine->firmware); | 
|  | exit(1); | 
|  | } | 
|  | g_free(sysboot_filename); | 
|  | } else { | 
|  | error_report("Unable to find %s", machine->firmware); | 
|  | exit(1); | 
|  | } | 
|  | } | 
|  |  | 
|  | switch (machine_id) { | 
|  | case CALXEDA_HIGHBANK: | 
|  | dev = qdev_new("l2x0"); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | sysbus_realize_and_unref(busdev, &error_fatal); | 
|  | sysbus_mmio_map(busdev, 0, 0xfff12000); | 
|  |  | 
|  | dev = qdev_new(TYPE_A9MPCORE_PRIV); | 
|  | break; | 
|  | case CALXEDA_MIDWAY: | 
|  | dev = qdev_new(TYPE_A15MPCORE_PRIV); | 
|  | break; | 
|  | } | 
|  | qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); | 
|  | qdev_prop_set_uint32(dev, "num-irq", NIRQ_GIC); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | sysbus_realize_and_unref(busdev, &error_fatal); | 
|  | sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE); | 
|  | for (n = 0; n < smp_cpus; n++) { | 
|  | sysbus_connect_irq(busdev, n, cpu_irq[n]); | 
|  | sysbus_connect_irq(busdev, n + smp_cpus, cpu_fiq[n]); | 
|  | sysbus_connect_irq(busdev, n + 2 * smp_cpus, cpu_virq[n]); | 
|  | sysbus_connect_irq(busdev, n + 3 * smp_cpus, cpu_vfiq[n]); | 
|  | } | 
|  |  | 
|  | for (n = 0; n < 128; n++) { | 
|  | pic[n] = qdev_get_gpio_in(dev, n); | 
|  | } | 
|  |  | 
|  | dev = qdev_new("sp804"); | 
|  | qdev_prop_set_uint32(dev, "freq0", 150000000); | 
|  | qdev_prop_set_uint32(dev, "freq1", 150000000); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | sysbus_realize_and_unref(busdev, &error_fatal); | 
|  | sysbus_mmio_map(busdev, 0, 0xfff34000); | 
|  | sysbus_connect_irq(busdev, 0, pic[18]); | 
|  | pl011_create(0xfff36000, pic[20], serial_hd(0)); | 
|  |  | 
|  | dev = qdev_new(TYPE_HIGHBANK_REGISTERS); | 
|  | busdev = SYS_BUS_DEVICE(dev); | 
|  | sysbus_realize_and_unref(busdev, &error_fatal); | 
|  | sysbus_mmio_map(busdev, 0, 0xfff3c000); | 
|  |  | 
|  | sysbus_create_simple("pl061", 0xfff30000, pic[14]); | 
|  | sysbus_create_simple("pl061", 0xfff31000, pic[15]); | 
|  | sysbus_create_simple("pl061", 0xfff32000, pic[16]); | 
|  | sysbus_create_simple("pl061", 0xfff33000, pic[17]); | 
|  | sysbus_create_simple("pl031", 0xfff35000, pic[19]); | 
|  | sysbus_create_simple("pl022", 0xfff39000, pic[23]); | 
|  |  | 
|  | sysbus_create_simple(TYPE_SYSBUS_AHCI, 0xffe08000, pic[83]); | 
|  |  | 
|  | dev = qemu_create_nic_device("xgmac", true, NULL); | 
|  | if (dev) { | 
|  | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xfff50000); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[77]); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, pic[78]); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 2, pic[79]); | 
|  | } | 
|  |  | 
|  | dev = qemu_create_nic_device("xgmac", true, NULL); | 
|  | if (dev) { | 
|  | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xfff51000); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[80]); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, pic[81]); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 2, pic[82]); | 
|  | } | 
|  |  | 
|  | /* TODO create and connect IDE devices for ide_drive_get() */ | 
|  |  | 
|  | highbank_binfo.ram_size = machine->ram_size; | 
|  | /* highbank requires a dtb in order to boot, and the dtb will override | 
|  | * the board ID. The following value is ignored, so set it to -1 to be | 
|  | * clear that the value is meaningless. | 
|  | */ | 
|  | highbank_binfo.board_id = -1; | 
|  | highbank_binfo.loader_start = 0; | 
|  | highbank_binfo.board_setup_addr = BOARD_SETUP_ADDR; | 
|  | highbank_binfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC; | 
|  |  | 
|  | arm_load_kernel(ARM_CPU(first_cpu), machine, &highbank_binfo); | 
|  | } | 
|  |  | 
|  | static void highbank_init(MachineState *machine) | 
|  | { | 
|  | calxeda_init(machine, CALXEDA_HIGHBANK); | 
|  | } | 
|  |  | 
|  | static void midway_init(MachineState *machine) | 
|  | { | 
|  | calxeda_init(machine, CALXEDA_MIDWAY); | 
|  | } | 
|  |  | 
|  | static void highbank_class_init(ObjectClass *oc, void *data) | 
|  | { | 
|  | static const char * const valid_cpu_types[] = { | 
|  | ARM_CPU_TYPE_NAME("cortex-a9"), | 
|  | NULL | 
|  | }; | 
|  | MachineClass *mc = MACHINE_CLASS(oc); | 
|  |  | 
|  | mc->desc = "Calxeda Highbank (ECX-1000)"; | 
|  | mc->init = highbank_init; | 
|  | mc->valid_cpu_types = valid_cpu_types; | 
|  | mc->block_default_type = IF_IDE; | 
|  | mc->units_per_default_bus = 1; | 
|  | mc->max_cpus = 4; | 
|  | mc->ignore_memory_transaction_failures = true; | 
|  | mc->default_ram_id = "highbank.dram"; | 
|  | } | 
|  |  | 
|  | static const TypeInfo highbank_type = { | 
|  | .name = MACHINE_TYPE_NAME("highbank"), | 
|  | .parent = TYPE_MACHINE, | 
|  | .class_init = highbank_class_init, | 
|  | }; | 
|  |  | 
|  | static void midway_class_init(ObjectClass *oc, void *data) | 
|  | { | 
|  | static const char * const valid_cpu_types[] = { | 
|  | ARM_CPU_TYPE_NAME("cortex-a15"), | 
|  | NULL | 
|  | }; | 
|  | MachineClass *mc = MACHINE_CLASS(oc); | 
|  |  | 
|  | mc->desc = "Calxeda Midway (ECX-2000)"; | 
|  | mc->init = midway_init; | 
|  | mc->valid_cpu_types = valid_cpu_types; | 
|  | mc->block_default_type = IF_IDE; | 
|  | mc->units_per_default_bus = 1; | 
|  | mc->max_cpus = 4; | 
|  | mc->ignore_memory_transaction_failures = true; | 
|  | mc->default_ram_id = "highbank.dram"; | 
|  | } | 
|  |  | 
|  | static const TypeInfo midway_type = { | 
|  | .name = MACHINE_TYPE_NAME("midway"), | 
|  | .parent = TYPE_MACHINE, | 
|  | .class_init = midway_class_init, | 
|  | }; | 
|  |  | 
|  | static void calxeda_machines_init(void) | 
|  | { | 
|  | type_register_static(&highbank_type); | 
|  | type_register_static(&midway_type); | 
|  | } | 
|  |  | 
|  | type_init(calxeda_machines_init) |