X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fhw%2Farm%2Fhighbank.c;fp=qemu%2Fhw%2Farm%2Fhighbank.c;h=f8353a78740045ba6bb011903db1e95bebca715f;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/hw/arm/highbank.c b/qemu/hw/arm/highbank.c
new file mode 100644
index 000000000..f8353a787
--- /dev/null
+++ b/qemu/hw/arm/highbank.c
@@ -0,0 +1,416 @@
+/*
+ * 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 "hw/sysbus.h"
+#include "hw/arm/arm.h"
+#include "hw/devices.h"
+#include "hw/loader.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "hw/boards.h"
+#include "sysemu/block-backend.h"
+#include "exec/address-spaces.h"
+#include "qemu/error-report.h"
+
+#define SMP_BOOT_ADDR           0x100
+#define SMP_BOOT_REG            0x40
+#define MPCORE_PERIPHBASE       0xfff10000
+
+#define NIRQ_GIC                160
+
+/* Board init.  */
+
+static void hb_write_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
+{
+    int n;
+    uint32_t smpboot[] = {
+        0xee100fb0, /* mrc p15, 0, r0, c0, c0, 5 - read current core id */
+        0xe210000f, /* ands r0, r0, #0x0f */
+        0xe3a03040, /* mov r3, #0x40 - jump address is 0x40 + 0x10 * core id */
+        0xe0830200, /* add r0, r3, r0, lsl #4 */
+        0xe59f2024, /* ldr r2, privbase */
+        0xe3a01001, /* mov r1, #1 */
+        0xe5821100, /* str r1, [r2, #256] - set GICC_CTLR.Enable */
+        0xe3a010ff, /* mov r1, #0xff */
+        0xe5821104, /* str r1, [r2, #260] - set GICC_PMR.Priority to 0xff */
+        0xf57ff04f, /* dsb */
+        0xe320f003, /* wfi */
+        0xe5901000, /* ldr     r1, [r0] */
+        0xe1110001, /* tst     r1, r1 */
+        0x0afffffb, /* beq     <wfi> */
+        0xe12fff11, /* bx      r1 */
+        MPCORE_PERIPHBASE   /* privbase: MPCore peripheral base address.  */
+    };
+    for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
+        smpboot[n] = tswap32(smpboot[n]);
+    }
+    rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot), SMP_BOOT_ADDR);
+}
+
+static void hb_reset_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
+{
+    CPUARMState *env = &cpu->env;
+
+    switch (info->nb_cpus) {
+    case 4:
+        address_space_stl_notdirty(&address_space_memory,
+                                   SMP_BOOT_REG + 0x30, 0,
+                                   MEMTXATTRS_UNSPECIFIED, NULL);
+    case 3:
+        address_space_stl_notdirty(&address_space_memory,
+                                   SMP_BOOT_REG + 0x20, 0,
+                                   MEMTXATTRS_UNSPECIFIED, NULL);
+    case 2:
+        address_space_stl_notdirty(&address_space_memory,
+                                   SMP_BOOT_REG + 0x10, 0,
+                                   MEMTXATTRS_UNSPECIFIED, NULL);
+        env->regs[15] = SMP_BOOT_ADDR;
+        break;
+    default:
+        break;
+    }
+}
+
+#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();
+        } else if (value == 3) {
+            qemu_system_shutdown_request();
+        }
+    }
+
+    regs[offset/4] = value;
+}
+
+static uint64_t hb_regs_read(void *opaque, hwaddr offset,
+                             unsigned size)
+{
+    uint32_t *regs = opaque;
+    uint32_t 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"
+#define HIGHBANK_REGISTERS(obj) \
+    OBJECT_CHECK(HighbankRegsState, (obj), TYPE_HIGHBANK_REGISTERS)
+
+typedef struct {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion iomem;
+    uint32_t regs[NUM_REGS];
+} HighbankRegsState;
+
+static VMStateDescription vmstate_highbank_regs = {
+    .name = "highbank-regs",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (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 int highbank_regs_init(SysBusDevice *dev)
+{
+    HighbankRegsState *s = HIGHBANK_REGISTERS(dev);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &hb_mem_ops, s->regs,
+                          "highbank_regs", 0x1000);
+    sysbus_init_mmio(dev, &s->iomem);
+
+    return 0;
+}
+
+static void highbank_regs_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *sbc = SYS_BUS_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    sbc->init = highbank_regs_init;
+    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),
+    .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)
+{
+    ram_addr_t ram_size = machine->ram_size;
+    const char *cpu_model = machine->cpu_model;
+    const char *kernel_filename = machine->kernel_filename;
+    const char *kernel_cmdline = machine->kernel_cmdline;
+    const char *initrd_filename = machine->initrd_filename;
+    DeviceState *dev = NULL;
+    SysBusDevice *busdev;
+    qemu_irq pic[128];
+    int n;
+    qemu_irq cpu_irq[4];
+    qemu_irq cpu_fiq[4];
+    MemoryRegion *sysram;
+    MemoryRegion *dram;
+    MemoryRegion *sysmem;
+    char *sysboot_filename;
+
+    if (!cpu_model) {
+        switch (machine_id) {
+        case CALXEDA_HIGHBANK:
+            cpu_model = "cortex-a9";
+            break;
+        case CALXEDA_MIDWAY:
+            cpu_model = "cortex-a15";
+            break;
+        }
+    }
+
+    for (n = 0; n < smp_cpus; n++) {
+        ObjectClass *oc = cpu_class_by_name(TYPE_ARM_CPU, cpu_model);
+        Object *cpuobj;
+        ARMCPU *cpu;
+        Error *err = NULL;
+
+        if (!oc) {
+            error_report("Unable to find CPU definition");
+            exit(1);
+        }
+
+        cpuobj = object_new(object_class_get_name(oc));
+        cpu = ARM_CPU(cpuobj);
+
+        /* By default A9 and A15 CPUs have EL3 enabled.  This board does not
+         * currently support EL3 so the CPU EL3 property is disabled before
+         * realization.
+         */
+        if (object_property_find(cpuobj, "has_el3", NULL)) {
+            object_property_set_bool(cpuobj, false, "has_el3", &err);
+            if (err) {
+                error_report_err(err);
+                exit(1);
+            }
+        }
+
+        if (object_property_find(cpuobj, "reset-cbar", NULL)) {
+            object_property_set_int(cpuobj, MPCORE_PERIPHBASE,
+                                    "reset-cbar", &error_abort);
+        }
+        object_property_set_bool(cpuobj, true, "realized", &err);
+        if (err) {
+            error_report_err(err);
+            exit(1);
+        }
+        cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ);
+        cpu_fiq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ);
+    }
+
+    sysmem = get_system_memory();
+    dram = g_new(MemoryRegion, 1);
+    memory_region_allocate_system_memory(dram, NULL, "highbank.dram", ram_size);
+    /* SDRAM at address zero.  */
+    memory_region_add_subregion(sysmem, 0, dram);
+
+    sysram = g_new(MemoryRegion, 1);
+    memory_region_init_ram(sysram, NULL, "highbank.sysram", 0x8000,
+                           &error_abort);
+    memory_region_add_subregion(sysmem, 0xfff88000, sysram);
+    if (bios_name != NULL) {
+        sysboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+        if (sysboot_filename != NULL) {
+            if (load_image_targphys(sysboot_filename, 0xfff88000, 0x8000) < 0) {
+                hw_error("Unable to load %s\n", bios_name);
+            }
+            g_free(sysboot_filename);
+        } else {
+           hw_error("Unable to find %s\n", bios_name);
+        }
+    }
+
+    switch (machine_id) {
+    case CALXEDA_HIGHBANK:
+        dev = qdev_create(NULL, "l2x0");
+        qdev_init_nofail(dev);
+        busdev = SYS_BUS_DEVICE(dev);
+        sysbus_mmio_map(busdev, 0, 0xfff12000);
+
+        dev = qdev_create(NULL, "a9mpcore_priv");
+        break;
+    case CALXEDA_MIDWAY:
+        dev = qdev_create(NULL, "a15mpcore_priv");
+        break;
+    }
+    qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
+    qdev_prop_set_uint32(dev, "num-irq", NIRQ_GIC);
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    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]);
+    }
+
+    for (n = 0; n < 128; n++) {
+        pic[n] = qdev_get_gpio_in(dev, n);
+    }
+
+    dev = qdev_create(NULL, "sp804");
+    qdev_prop_set_uint32(dev, "freq0", 150000000);
+    qdev_prop_set_uint32(dev, "freq1", 150000000);
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_mmio_map(busdev, 0, 0xfff34000);
+    sysbus_connect_irq(busdev, 0, pic[18]);
+    sysbus_create_simple("pl011", 0xfff36000, pic[20]);
+
+    dev = qdev_create(NULL, "highbank-regs");
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    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("sysbus-ahci", 0xffe08000, pic[83]);
+
+    if (nd_table[0].used) {
+        qemu_check_nic_model(&nd_table[0], "xgmac");
+        dev = qdev_create(NULL, "xgmac");
+        qdev_set_nic_properties(dev, &nd_table[0]);
+        qdev_init_nofail(dev);
+        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]);
+
+        qemu_check_nic_model(&nd_table[1], "xgmac");
+        dev = qdev_create(NULL, "xgmac");
+        qdev_set_nic_properties(dev, &nd_table[1]);
+        qdev_init_nofail(dev);
+        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]);
+    }
+
+    highbank_binfo.ram_size = ram_size;
+    highbank_binfo.kernel_filename = kernel_filename;
+    highbank_binfo.kernel_cmdline = kernel_cmdline;
+    highbank_binfo.initrd_filename = initrd_filename;
+    /* 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.nb_cpus = smp_cpus;
+    highbank_binfo.loader_start = 0;
+    highbank_binfo.write_secondary_boot = hb_write_secondary;
+    highbank_binfo.secondary_cpu_reset_hook = hb_reset_secondary;
+    arm_load_kernel(ARM_CPU(first_cpu), &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 QEMUMachine highbank_machine = {
+    .name = "highbank",
+    .desc = "Calxeda Highbank (ECX-1000)",
+    .init = highbank_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 4,
+};
+
+static QEMUMachine midway_machine = {
+    .name = "midway",
+    .desc = "Calxeda Midway (ECX-2000)",
+    .init = midway_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 4,
+};
+
+static void calxeda_machines_init(void)
+{
+    qemu_register_machine(&highbank_machine);
+    qemu_register_machine(&midway_machine);
+}
+
+machine_init(calxeda_machines_init);