hw/arm: Introduce Raspberry PI 4 machine

Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240226000259.2752893-11-sergey.kambalin@auriga.com
[PMM: Change name to 'raspi4b', not 'raspi4b-2g']
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 70 insertions, 0 deletions

diff --git a/hw/arm/raspi4b.c b/hw/arm/raspi4b.c
new file mode 100644
index 0000000000..f1e91f7c98
--- /dev/null
+++ b/hw/arm/raspi4b.c
@@ -0,0 +1,70 @@
+/*
+ * Raspberry Pi 4B emulation
+ *
+ * Copyright (C) 2022 Ovchinnikov Vitalii <vitalii.ovchinnikov@auriga.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qemu/cutils.h"
+#include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "hw/arm/raspi_platform.h"
+#include "hw/display/bcm2835_fb.h"
+#include "hw/registerfields.h"
+#include "qemu/error-report.h"
+#include "sysemu/device_tree.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "hw/arm/boot.h"
+#include "qom/object.h"
+#include "hw/arm/bcm2838.h"
+
+#define TYPE_RASPI4B_MACHINE MACHINE_TYPE_NAME("raspi4b")
+OBJECT_DECLARE_SIMPLE_TYPE(Raspi4bMachineState, RASPI4B_MACHINE)
+
+struct Raspi4bMachineState {
+    RaspiBaseMachineState parent_obj;
+    BCM2838State soc;
+};
+
+static void raspi4b_machine_init(MachineState *machine)
+{
+    Raspi4bMachineState *s = RASPI4B_MACHINE(machine);
+    RaspiBaseMachineState *s_base = RASPI_BASE_MACHINE(machine);
+    RaspiBaseMachineClass *mc = RASPI_BASE_MACHINE_GET_CLASS(machine);
+    BCM2838State *soc = &s->soc;
+
+    s_base->binfo.board_id = mc->board_rev;
+
+    object_initialize_child(OBJECT(machine), "soc", soc,
+                            board_soc_type(mc->board_rev));
+
+    raspi_base_machine_init(machine, &soc->parent_obj);
+}
+
+static void raspi4b_machine_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    RaspiBaseMachineClass *rmc = RASPI_BASE_MACHINE_CLASS(oc);
+
+    rmc->board_rev = 0xb03115; /* Revision 1.5, 2 Gb RAM */
+    raspi_machine_class_common_init(mc, rmc->board_rev);
+    mc->init = raspi4b_machine_init;
+}
+
+static const TypeInfo raspi4b_machine_type = {
+    .name           = TYPE_RASPI4B_MACHINE,
+    .parent         = TYPE_RASPI_BASE_MACHINE,
+    .instance_size  = sizeof(Raspi4bMachineState),
+    .class_init     = raspi4b_machine_class_init,
+};
+
+static void raspi4b_machine_register_type(void)
+{
+    type_register_static(&raspi4b_machine_type);
+}
+
+type_init(raspi4b_machine_register_type)