diff options
Diffstat (limited to 'hw/nios2/10m50_devboard.c')
| -rw-r--r-- | hw/nios2/10m50_devboard.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c deleted file mode 100644 index 6cb32f777b..0000000000 --- a/hw/nios2/10m50_devboard.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Altera 10M50 Nios2 GHRD - * - * Copyright (c) 2016 Marek Vasut <marek.vasut@gmail.com> - * - * Based on LabX device code - * - * Copyright (c) 2012 Chris Wulff <crwulff@gmail.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see - * <http://www.gnu.org/licenses/lgpl-2.1.html> - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" - -#include "hw/sysbus.h" -#include "hw/char/serial.h" -#include "hw/intc/nios2_vic.h" -#include "hw/qdev-properties.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "exec/memory.h" -#include "exec/address-spaces.h" -#include "qemu/config-file.h" - -#include "boot.h" - -struct Nios2MachineState { - MachineState parent_obj; - - MemoryRegion phys_tcm; - MemoryRegion phys_tcm_alias; - MemoryRegion phys_ram; - MemoryRegion phys_ram_alias; - - bool vic; -}; - -#define TYPE_NIOS2_MACHINE MACHINE_TYPE_NAME("10m50-ghrd") -OBJECT_DECLARE_TYPE(Nios2MachineState, MachineClass, NIOS2_MACHINE) - -#define BINARY_DEVICE_TREE_FILE "10m50-devboard.dtb" - -static void nios2_10m50_ghrd_init(MachineState *machine) -{ - Nios2MachineState *nms = NIOS2_MACHINE(machine); - Nios2CPU *cpu; - DeviceState *dev; - MemoryRegion *address_space_mem = get_system_memory(); - ram_addr_t tcm_base = 0x0; - ram_addr_t tcm_size = 0x1000; /* 1 kiB, but QEMU limit is 4 kiB */ - ram_addr_t ram_base = 0x08000000; - ram_addr_t ram_size = 0x08000000; - qemu_irq irq[32]; - int i; - - /* Physical TCM (tb_ram_1k) with alias at 0xc0000000 */ - memory_region_init_ram(&nms->phys_tcm, NULL, "nios2.tcm", tcm_size, - &error_abort); - memory_region_init_alias(&nms->phys_tcm_alias, NULL, "nios2.tcm.alias", - &nms->phys_tcm, 0, tcm_size); - memory_region_add_subregion(address_space_mem, tcm_base, &nms->phys_tcm); - memory_region_add_subregion(address_space_mem, 0xc0000000 + tcm_base, - &nms->phys_tcm_alias); - - /* Physical DRAM with alias at 0xc0000000 */ - memory_region_init_ram(&nms->phys_ram, NULL, "nios2.ram", ram_size, - &error_abort); - memory_region_init_alias(&nms->phys_ram_alias, NULL, "nios2.ram.alias", - &nms->phys_ram, 0, ram_size); - memory_region_add_subregion(address_space_mem, ram_base, &nms->phys_ram); - memory_region_add_subregion(address_space_mem, 0xc0000000 + ram_base, - &nms->phys_ram_alias); - - /* Create CPU. We need to set eic_present between init and realize. */ - cpu = NIOS2_CPU(object_new(TYPE_NIOS2_CPU)); - - /* Enable the External Interrupt Controller within the CPU. */ - cpu->eic_present = nms->vic; - - /* Configure new exception vectors. */ - cpu->reset_addr = 0xd4000000; - cpu->exception_addr = 0xc8000120; - cpu->fast_tlb_miss_addr = 0xc0000100; - - qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal); - - if (nms->vic) { - dev = qdev_new(TYPE_NIOS2_VIC); - MemoryRegion *dev_mr; - qemu_irq cpu_irq; - - object_property_set_link(OBJECT(dev), "cpu", OBJECT(cpu), &error_fatal); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - - cpu_irq = qdev_get_gpio_in_named(DEVICE(cpu), "EIC", 0); - sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq); - for (i = 0; i < 32; i++) { - irq[i] = qdev_get_gpio_in(dev, i); - } - - dev_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); - memory_region_add_subregion(address_space_mem, 0x18002000, dev_mr); - } else { - for (i = 0; i < 32; i++) { - irq[i] = qdev_get_gpio_in_named(DEVICE(cpu), "IRQ", i); - } - } - - /* Register: Altera 16550 UART */ - serial_mm_init(address_space_mem, 0xf8001600, 2, irq[1], 115200, - serial_hd(0), DEVICE_NATIVE_ENDIAN); - - /* Register: Timer sys_clk_timer */ - dev = qdev_new("ALTR.timer"); - qdev_prop_set_uint32(dev, "clock-frequency", 75 * 1000000); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xf8001440); - sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[0]); - - /* Register: Timer sys_clk_timer_1 */ - dev = qdev_new("ALTR.timer"); - qdev_prop_set_uint32(dev, "clock-frequency", 75 * 1000000); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xe0000880); - sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[5]); - - nios2_load_kernel(cpu, ram_base, ram_size, machine->initrd_filename, - BINARY_DEVICE_TREE_FILE, NULL); -} - -static bool get_vic(Object *obj, Error **errp) -{ - Nios2MachineState *nms = NIOS2_MACHINE(obj); - return nms->vic; -} - -static void set_vic(Object *obj, bool value, Error **errp) -{ - Nios2MachineState *nms = NIOS2_MACHINE(obj); - nms->vic = value; -} - -static void nios2_10m50_ghrd_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "Altera 10M50 GHRD Nios II design"; - mc->init = nios2_10m50_ghrd_init; - mc->is_default = true; - mc->deprecation_reason = "Nios II architecture is deprecated"; - - object_class_property_add_bool(oc, "vic", get_vic, set_vic); - object_class_property_set_description(oc, "vic", - "Set on/off to enable/disable the Vectored Interrupt Controller"); -} - -static const TypeInfo nios2_10m50_ghrd_type_info = { - .name = TYPE_NIOS2_MACHINE, - .parent = TYPE_MACHINE, - .instance_size = sizeof(Nios2MachineState), - .class_init = nios2_10m50_ghrd_class_init, -}; - -static void nios2_10m50_ghrd_type_init(void) -{ - type_register_static(&nios2_10m50_ghrd_type_info); -} -type_init(nios2_10m50_ghrd_type_init); |