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[Qemu-devel] [PULL 06/21] arm: Add BBC micro:bit machine
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 06/21] arm: Add BBC micro:bit machine |
Date: |
Tue, 25 Sep 2018 14:41:29 +0100 |
From: Joel Stanley <address@hidden>
This adds the base for a machine model of the BBC micro:bit:
https://en.wikipedia.org/wiki/Micro_Bit
This is a system with a nRF51 SoC containing the main processor, with
various peripherals on board.
Reviewed-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Joel Stanley <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
hw/arm/Makefile.objs | 2 +-
hw/arm/microbit.c | 67 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+), 1 deletion(-)
create mode 100644 hw/arm/microbit.c
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
index ae4e20373b9..5f88062c666 100644
--- a/hw/arm/Makefile.objs
+++ b/hw/arm/Makefile.objs
@@ -37,4 +37,4 @@ obj-$(CONFIG_IOTKIT) += iotkit.o
obj-$(CONFIG_FSL_IMX7) += fsl-imx7.o mcimx7d-sabre.o
obj-$(CONFIG_ARM_SMMUV3) += smmu-common.o smmuv3.o
obj-$(CONFIG_FSL_IMX6UL) += fsl-imx6ul.o mcimx6ul-evk.o
-obj-$(CONFIG_NRF51_SOC) += nrf51_soc.o
+obj-$(CONFIG_NRF51_SOC) += nrf51_soc.o microbit.o
diff --git a/hw/arm/microbit.c b/hw/arm/microbit.c
new file mode 100644
index 00000000000..e7d74116a50
--- /dev/null
+++ b/hw/arm/microbit.c
@@ -0,0 +1,67 @@
+/*
+ * BBC micro:bit machine
+ * http://tech.microbit.org/hardware/
+ *
+ * Copyright 2018 Joel Stanley <address@hidden>
+ *
+ * This code is licensed under the GPL version 2 or later. See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/boards.h"
+#include "hw/arm/arm.h"
+#include "exec/address-spaces.h"
+
+#include "hw/arm/nrf51_soc.h"
+
+typedef struct {
+ MachineState parent;
+
+ NRF51State nrf51;
+} MicrobitMachineState;
+
+#define TYPE_MICROBIT_MACHINE MACHINE_TYPE_NAME("microbit")
+
+#define MICROBIT_MACHINE(obj) \
+ OBJECT_CHECK(MicrobitMachineState, obj, TYPE_MICROBIT_MACHINE)
+
+static void microbit_init(MachineState *machine)
+{
+ MicrobitMachineState *s = MICROBIT_MACHINE(machine);
+ MemoryRegion *system_memory = get_system_memory();
+ Object *soc = OBJECT(&s->nrf51);
+
+ sysbus_init_child_obj(OBJECT(machine), "nrf51", soc, sizeof(s->nrf51),
+ TYPE_NRF51_SOC);
+ object_property_set_link(soc, OBJECT(system_memory), "memory",
+ &error_fatal);
+ object_property_set_bool(soc, true, "realized", &error_fatal);
+
+ armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
+ NRF51_SOC(soc)->flash_size);
+}
+
+static void microbit_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "BBC micro:bit";
+ mc->init = microbit_init;
+ mc->max_cpus = 1;
+}
+
+static const TypeInfo microbit_info = {
+ .name = TYPE_MICROBIT_MACHINE,
+ .parent = TYPE_MACHINE,
+ .instance_size = sizeof(MicrobitMachineState),
+ .class_init = microbit_machine_class_init,
+};
+
+static void microbit_machine_init(void)
+{
+ type_register_static(µbit_info);
+}
+
+type_init(microbit_machine_init);
--
2.19.0
- [Qemu-devel] [PULL 00/21] target-arm queue, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 03/21] hw/arm/virt-acpi-build: Add a check for memory-less NUMA nodes, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 18/21] hw/arm/aspeed: change the FMC flash model of the AST2500 evb, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 04/21] MAINTAINERS: Add NRF51 entry, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 02/21] hw/arm/exynos4210: fix Exynos4210 UART support, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 01/21] target/arm: Fix cpu_get_tb_cpu_state() for non-SVE CPUs, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 20/21] aspeed/smc: fix some alignment issues, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 05/21] arm: Add Nordic Semiconductor nRF51 SoC, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 19/21] hw/arm/aspeed: Add an Aspeed machine class, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 06/21] arm: Add BBC micro:bit machine,
Peter Maydell <=
- [Qemu-devel] [PULL 16/21] hw/timer/cmsdk-apb-dualtimer: Add missing 'break' statements, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 08/21] aspeed/i2c: Handle receive command in separate function, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 21/21] target/arm: Start AArch32 CPUs with EL2 but not EL3 in Hyp mode, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 11/21] hw/arm/smmuv3: fix eventq recording and IRQ triggerring, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 07/21] aspeed/i2c: interrupts should be cleared by software only, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 13/21] hw/intc/arm_gic: Drop GIC_BASE_IRQ macro, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 15/21] hw/net/pcnet-pci: Unify pcnet_ioport_read/write and pcnet_mmio_read/write, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 12/21] hw/intc/arm_gic: Document QEMU interface, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 10/21] hw/arm/smmu-common: Fix the name of the iommu memory regions, Peter Maydell, 2018/09/25
- [Qemu-devel] [PULL 09/21] aspeed/i2c: Fix receive done interrupt handling, Peter Maydell, 2018/09/25