[Qemu-devel] [PATCH v3 01/20] arm: add Faraday a360 SoC platform support

[Kuo-Jung Su]

From: Kuo-Jung Su <address@hidden>

The Faraday A360 EVB is a Faraday SoC platform evaluation board used for
Faraday IP functional verification based on the well-known ARM AMBA 2.0
architecture.

Signed-off-by: Kuo-Jung Su <address@hidden>
---
 hw/arm/Makefile.objs      |    1 +
 hw/arm/faraday.h          |   52 ++++++++++++++++++++
 hw/arm/faraday_a360.c     |  118 +++++++++++++++++++++++++++++++++++++++++++++
 hw/arm/faraday_a360_pmu.c |  102 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 273 insertions(+)
 create mode 100644 hw/arm/faraday.h
 create mode 100644 hw/arm/faraday_a360.c
 create mode 100644 hw/arm/faraday_a360_pmu.c

diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
index 6d049e7..59d7023 100644
--- a/hw/arm/Makefile.objs
+++ b/hw/arm/Makefile.objs
@@ -33,3 +33,4 @@ obj-y += kzm.o
 obj-$(CONFIG_FDT) += ../device_tree.o
 
 obj-y := $(addprefix ../,$(obj-y))
+obj-y += faraday_a360.o faraday_a360_pmu.o
diff --git a/hw/arm/faraday.h b/hw/arm/faraday.h
new file mode 100644
index 0000000..25bb056
--- /dev/null
+++ b/hw/arm/faraday.h
@@ -0,0 +1,52 @@
+/*
+ * Faraday SoC platform support.
+ *
+ * Copyright (c) 2013 Faraday Technology
+ * Written by Kuo-Jung Su <address@hidden>
+ *
+ * This code is licensed under the GNU GPL v2.
+ */
+#ifndef HW_ARM_FARADAY_H
+#define HW_ARM_FARADAY_H
+
+#include <hw/flash.h>
+
+#ifdef DEBUG_FARADAY
+#define DPRINTF(fmt, ...) \
+    do { printf("faraday: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF(fmt, ...) \
+    do { } while (0)
+#endif
+
+typedef struct FaradayMachState {
+    ARMCPU       *cpu;
+    DeviceState  *scu;
+    DeviceState  *ahbc;
+    DeviceState  *ddrc;
+    DeviceState  *hdma[2];  /* AHB DMA */
+    DeviceState  *pdma[2];  /* APB DMA */
+    i2c_bus      *i2c[2];
+
+    MemoryRegion *as;
+    MemoryRegion *ram;
+    MemoryRegion *ram_alias;
+    pflash_t     *rom;
+    MemoryRegion *sram;
+
+    uint32_t ahb_slave4;    /* AHB slave 4 default value */
+    uint32_t ahb_slave6;    /* AHB slave 6 default value */
+    uint32_t ahb_remapped:1;
+    uint32_t ddr_inited:1;
+} FaradayMachState;
+
+/* ftintc020.c */
+qemu_irq *ftintc020_init(hwaddr base, ARMCPU *cpu);
+
+/* ftgmac100.c */
+void ftgmac100_init(NICInfo *nd, uint32_t base, qemu_irq irq);
+
+/* ftmac110.c */
+void ftmac110_init(NICInfo *nd, uint32_t base, qemu_irq irq);
+
+#endif
diff --git a/hw/arm/faraday_a360.c b/hw/arm/faraday_a360.c
new file mode 100644
index 0000000..a81b6fb
--- /dev/null
+++ b/hw/arm/faraday_a360.c
@@ -0,0 +1,118 @@
+/*
+ * Faraday A360 Evalution Board
+ *
+ * Copyright (c) 2012 Faraday Technology
+ * Written by Dante Su <address@hidden>
+ *
+ * This code is licensed under GNU GPL v2+.
+ */
+
+#include <hw/sysbus.h>
+#include <hw/arm-misc.h>
+#include <hw/devices.h>
+#include <hw/i2c.h>
+#include <hw/boards.h>
+#include <hw/flash.h>
+#include <hw/serial.h>
+#include <hw/ssi.h>
+#include <net/net.h>
+#include <sysemu/sysemu.h>
+#include <sysemu/blockdev.h>
+#include <exec/address-spaces.h>
+
+#include "faraday.h"
+
+typedef FaradayMachState    A360State;
+
+/* Board init. */
+static void
+a360_device_init(A360State *s)
+{
+    /* Serial (FTUART010 which is 16550A compatible) */
+    if (serial_hds[0]) {
+        serial_mm_init(s->as,
+                       0x98200000,
+                       2,
+                       NULL,
+                       18432000 / 16,
+                       serial_hds[0],
+                       DEVICE_LITTLE_ENDIAN);
+    }
+    if (serial_hds[1]) {
+        serial_mm_init(s->as,
+                       0x98300000,
+                       2,
+                       NULL,
+                       18432000 / 16,
+                       serial_hds[1],
+                       DEVICE_LITTLE_ENDIAN);
+    }
+
+    /* pmu */
+    sysbus_create_simple("a360.pmu", 0x98100000, NULL);
+}
+
+static void
+a360_board_init(QEMUMachineInitArgs *args)
+{
+    struct arm_boot_info *bi = NULL;
+    A360State *s = g_new(A360State, 1);
+
+    s->as = get_system_memory();
+    s->ram  = g_new(MemoryRegion, 1);
+
+    /* CPU */
+    if (!args->cpu_model) {
+        args->cpu_model = "fa626te";
+    }
+
+    s->cpu = cpu_arm_init(args->cpu_model);
+    if (!s->cpu) {
+        args->cpu_model = "arm926";
+        s->cpu = cpu_arm_init(args->cpu_model);
+        if (!s->cpu) {
+            hw_error("a360: Unable to find CPU definition\n");
+            exit(1);
+        }
+    }
+
+    /* A360 supports upto 1GB ram space */
+    if (args->ram_size > 0x40000000) {
+        args->ram_size = 0x40000000;
+    }
+
+    /* RAM Init */
+    memory_region_init_ram(s->ram, "a360.ram", args->ram_size);
+    vmstate_register_ram_global(s->ram);
+
+    a360_device_init(s);
+
+    /* Prepare for direct boot from linux kernel or u-boot elf */
+    bi = g_new0(struct arm_boot_info, 1);
+
+    /* RAM Address Binding */
+    memory_region_add_subregion(s->as, 0x00000000, s->ram);
+
+    /* Boot Info */
+    bi->ram_size = args->ram_size;
+    bi->kernel_filename = args->kernel_filename;
+    bi->kernel_cmdline = args->kernel_cmdline;
+    bi->initrd_filename = args->initrd_filename;
+    bi->board_id = 0xa360;
+    arm_load_kernel(s->cpu, bi);
+}
+
+static QEMUMachine a360_machine = {
+    .name = "a360",
+    .desc = "Faraday A360 (fa626te)",
+    .init = a360_board_init,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static void
+a360_machine_init(void)
+{
+    qemu_register_machine(&a360_machine);
+}
+
+machine_init(a360_machine_init);
diff --git a/hw/arm/faraday_a360_pmu.c b/hw/arm/faraday_a360_pmu.c
new file mode 100644
index 0000000..dc8b749
--- /dev/null
+++ b/hw/arm/faraday_a360_pmu.c
@@ -0,0 +1,102 @@
+/*
+ * Faraday A360 PMU
+ *
+ * Copyright (c) 2012 Faraday Technology
+ * Written by Dante Su <address@hidden>
+ *
+ * This code is licensed under GNU GPL v2+
+ */
+
+#include <hw/hw.h>
+#include <hw/sysbus.h>
+#include <hw/devices.h>
+#include <ui/console.h>
+#include <qemu/timer.h>
+#include <sysemu/sysemu.h>
+
+#include "faraday.h"
+
+#define REG_PDLLCR      0x30   /* PLL/DLL control register */
+
+#define TYPE_A360PMU    "a360.pmu"
+
+typedef struct A360PMUState {
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+} A360PMUState;
+
+#define A360PMU(obj) \
+    OBJECT_CHECK(A360PMUState, obj, TYPE_A360PMU)
+
+static uint64_t
+a360pmu_mem_read(void *opaque, hwaddr addr, unsigned size)
+{
+    uint64_t ret = 0;
+
+    switch (addr) {
+    case REG_PDLLCR:
+        ret = 27 << 3;  /* PLL = 27 */
+        break;
+    }
+
+    return ret;
+}
+
+static void
+a360pmu_mem_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+}
+
+static const MemoryRegionOps a360pmu_mem_ops = {
+    .read  = a360pmu_mem_read,
+    .write = a360pmu_mem_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static int a360pmu_init(SysBusDevice *dev)
+{
+    A360PMUState *s = A360PMU(FROM_SYSBUS(A360PMUState, dev));
+
+    memory_region_init_io(&s->iomem,
+                          &a360pmu_mem_ops,
+                          s,
+                          TYPE_A360PMU,
+                          0x1000);
+    sysbus_init_mmio(dev, &s->iomem);
+    return 0;
+}
+
+static const VMStateDescription vmstate_a360pmu = {
+    .name = TYPE_A360PMU,
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_END_OF_LIST(),
+    }
+};
+
+static void a360pmu_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    k->init   = a360pmu_init;
+    dc->desc  = TYPE_A360PMU;
+    dc->vmsd  = &vmstate_a360pmu;
+    dc->no_user = 1;
+}
+
+static const TypeInfo a360pmu_info = {
+    .name          = TYPE_A360PMU,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(A360PMUState),
+    .class_init    = a360pmu_class_init,
+};
+
+static void a360pmu_register_types(void)
+{
+    type_register_static(&a360pmu_info);
+}
+
+type_init(a360pmu_register_types)
-- 
1.7.9.5