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