aboutsummaryrefslogtreecommitdiff
path: root/hw/nios2/10m50_devboard.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/nios2/10m50_devboard.c')
-rw-r--r--hw/nios2/10m50_devboard.c181
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 22:08:10 +0000