134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
|
/*
|
||
|
* Nordic Semiconductor nRF51 SoC
|
||
|
* http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf
|
||
|
*
|
||
|
* Copyright 2018 Joel Stanley <joel@jms.id.au>
|
||
|
*
|
||
|
* 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 "qemu-common.h"
|
||
|
#include "hw/arm/arm.h"
|
||
|
#include "hw/sysbus.h"
|
||
|
#include "hw/boards.h"
|
||
|
#include "hw/devices.h"
|
||
|
#include "hw/misc/unimp.h"
|
||
|
#include "exec/address-spaces.h"
|
||
|
#include "sysemu/sysemu.h"
|
||
|
#include "qemu/log.h"
|
||
|
#include "cpu.h"
|
||
|
|
||
|
#include "hw/arm/nrf51_soc.h"
|
||
|
|
||
|
#define IOMEM_BASE 0x40000000
|
||
|
#define IOMEM_SIZE 0x20000000
|
||
|
|
||
|
#define FICR_BASE 0x10000000
|
||
|
#define FICR_SIZE 0x000000fc
|
||
|
|
||
|
#define FLASH_BASE 0x00000000
|
||
|
#define SRAM_BASE 0x20000000
|
||
|
|
||
|
#define PRIVATE_BASE 0xF0000000
|
||
|
#define PRIVATE_SIZE 0x10000000
|
||
|
|
||
|
/*
|
||
|
* The size and base is for the NRF51822 part. If other parts
|
||
|
* are supported in the future, add a sub-class of NRF51SoC for
|
||
|
* the specific variants
|
||
|
*/
|
||
|
#define NRF51822_FLASH_SIZE (256 * 1024)
|
||
|
#define NRF51822_SRAM_SIZE (16 * 1024)
|
||
|
|
||
|
static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
|
||
|
{
|
||
|
NRF51State *s = NRF51_SOC(dev_soc);
|
||
|
Error *err = NULL;
|
||
|
|
||
|
if (!s->board_memory) {
|
||
|
error_setg(errp, "memory property was not set");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
object_property_set_link(OBJECT(&s->cpu), OBJECT(&s->container), "memory",
|
||
|
&err);
|
||
|
if (err) {
|
||
|
error_propagate(errp, err);
|
||
|
return;
|
||
|
}
|
||
|
object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
|
||
|
if (err) {
|
||
|
error_propagate(errp, err);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
memory_region_add_subregion_overlap(&s->container, 0, s->board_memory, -1);
|
||
|
|
||
|
memory_region_init_rom(&s->flash, OBJECT(s), "nrf51.flash", s->flash_size,
|
||
|
&err);
|
||
|
if (err) {
|
||
|
error_propagate(errp, err);
|
||
|
return;
|
||
|
}
|
||
|
memory_region_add_subregion(&s->container, FLASH_BASE, &s->flash);
|
||
|
|
||
|
memory_region_init_ram(&s->sram, NULL, "nrf51.sram", s->sram_size, &err);
|
||
|
if (err) {
|
||
|
error_propagate(errp, err);
|
||
|
return;
|
||
|
}
|
||
|
memory_region_add_subregion(&s->container, SRAM_BASE, &s->sram);
|
||
|
|
||
|
create_unimplemented_device("nrf51_soc.io", IOMEM_BASE, IOMEM_SIZE);
|
||
|
create_unimplemented_device("nrf51_soc.ficr", FICR_BASE, FICR_SIZE);
|
||
|
create_unimplemented_device("nrf51_soc.private",
|
||
|
PRIVATE_BASE, PRIVATE_SIZE);
|
||
|
}
|
||
|
|
||
|
static void nrf51_soc_init(Object *obj)
|
||
|
{
|
||
|
NRF51State *s = NRF51_SOC(obj);
|
||
|
|
||
|
memory_region_init(&s->container, obj, "nrf51-container", UINT64_MAX);
|
||
|
|
||
|
sysbus_init_child_obj(OBJECT(s), "armv6m", OBJECT(&s->cpu), sizeof(s->cpu),
|
||
|
TYPE_ARMV7M);
|
||
|
qdev_prop_set_string(DEVICE(&s->cpu), "cpu-type",
|
||
|
ARM_CPU_TYPE_NAME("cortex-m0"));
|
||
|
qdev_prop_set_uint32(DEVICE(&s->cpu), "num-irq", 32);
|
||
|
}
|
||
|
|
||
|
static Property nrf51_soc_properties[] = {
|
||
|
DEFINE_PROP_LINK("memory", NRF51State, board_memory, TYPE_MEMORY_REGION,
|
||
|
MemoryRegion *),
|
||
|
DEFINE_PROP_UINT32("sram-size", NRF51State, sram_size, NRF51822_SRAM_SIZE),
|
||
|
DEFINE_PROP_UINT32("flash-size", NRF51State, flash_size,
|
||
|
NRF51822_FLASH_SIZE),
|
||
|
DEFINE_PROP_END_OF_LIST(),
|
||
|
};
|
||
|
|
||
|
static void nrf51_soc_class_init(ObjectClass *klass, void *data)
|
||
|
{
|
||
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
||
|
|
||
|
dc->realize = nrf51_soc_realize;
|
||
|
dc->props = nrf51_soc_properties;
|
||
|
}
|
||
|
|
||
|
static const TypeInfo nrf51_soc_info = {
|
||
|
.name = TYPE_NRF51_SOC,
|
||
|
.parent = TYPE_SYS_BUS_DEVICE,
|
||
|
.instance_size = sizeof(NRF51State),
|
||
|
.instance_init = nrf51_soc_init,
|
||
|
.class_init = nrf51_soc_class_init,
|
||
|
};
|
||
|
|
||
|
static void nrf51_soc_types(void)
|
||
|
{
|
||
|
type_register_static(&nrf51_soc_info);
|
||
|
}
|
||
|
type_init(nrf51_soc_types)
|