Instantiate NVMs, NVMC, UART, RNG, GPIO and TIMERs. Signed-off-by: Steffen Görtz <cont...@steffen-goertz.de> --- hw/arm/nrf51_soc.c | 153 +++++++++++++++++++++++++++++++++++-- include/hw/arm/nrf51_soc.h | 16 +++- 2 files changed, 161 insertions(+), 8 deletions(-)
diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c index 88a848de8b..a395d3a00d 100644 --- a/hw/arm/nrf51_soc.c +++ b/hw/arm/nrf51_soc.c @@ -25,15 +25,20 @@ #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 FICR_BASE 0x10000000 +#define UICR_BASE 0x10001000 #define SRAM_BASE 0x20000000 +#define IOMEM_BASE 0x40000000 +#define IOMEM_SIZE 0x20000000 + +#define UART_BASE 0x40002000 +#define TIMER_BASE 0x40008000 +#define RNG_BASE 0x4000D000 +#define NVMC_BASE 0x4001E000 +#define GPIO_BASE 0x50000000 + #define PAGE_SIZE 1024 /* IRQ lines can be derived from peripheral base addresses */ @@ -49,10 +54,33 @@ struct { [NRF51_VARIANT_AC] = {.ram_size = 32, .flash_size = 256 }, }; + +static uint64_t clock_read(void *opaque, hwaddr addr, unsigned int size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " [%u]\n", + __func__, addr, size); + return 1; +} + +static void clock_write(void *opaque, hwaddr addr, uint64_t data, + unsigned int size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " <- 0x%" PRIx64 " [%u]\n", + __func__, addr, data, size); +} + +static const MemoryRegionOps clock_ops = { + .read = clock_read, + .write = clock_write +}; + static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp) { NRF51State *s = NRF51_SOC(dev_soc); Error *err = NULL; + MemoryRegion *mr = NULL; + size_t i; + qemu_irq irq; if (!s->board_memory) { error_setg(errp, "memory property was not set"); @@ -100,14 +128,102 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp) } memory_region_add_subregion(&s->container, SRAM_BASE, &s->sram); + + /* UART */ + qdev_prop_set_chr(DEVICE(&s->uart), "chardev", serial_hd(0)); + object_property_set_bool(OBJECT(&s->uart), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart), 0); + memory_region_add_subregion_overlap(&s->container, UART_BASE, mr, 0); + irq = qdev_get_gpio_in(DEVICE(&s->cpu), BASE_TO_IRQ(UART_BASE)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart), 0, irq); + + /* TIMER */ + for (i = 0; i < NRF51_TIMER_NUM; i++) { + object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->timer[i]), 0, + TIMER_BASE + i * 0x1000); + + irq = qdev_get_gpio_in(DEVICE(&s->cpu), + BASE_TO_IRQ(TIMER_BASE + i * 0x1000)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer[i]), 0, irq); + } + + /* NVMC */ + object_property_set_link(OBJECT(&s->nvm), OBJECT(&s->container), + "memory", &err); + if (err) { + error_propagate(errp, err); + return; + } + object_property_set_uint(OBJECT(&s->nvm), + NRF51VariantAttributes[s->part_variant].flash_size, "code_size", + &err); + if (err) { + error_propagate(errp, err); + return; + } + object_property_set_bool(OBJECT(&s->nvm), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 0); + memory_region_add_subregion_overlap(&s->container, NVMC_BASE, mr, 0); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 1); + memory_region_add_subregion_overlap(&s->container, FICR_BASE, mr, 0); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 2); + memory_region_add_subregion_overlap(&s->container, UICR_BASE, mr, 0); + + /* RNG */ + object_property_set_bool(OBJECT(&s->rng), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0); + memory_region_add_subregion_overlap(&s->container, RNG_BASE, mr, 0); + irq = qdev_get_gpio_in(DEVICE(&s->cpu), BASE_TO_IRQ(RNG_BASE)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->rng), 0, irq); + + /* GPIO */ + object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0); + memory_region_add_subregion_overlap(&s->container, GPIO_BASE, mr, 0); + + /* Pass all GPIOs to the SOC layer so they are available to the board */ + qdev_pass_gpios(DEVICE(&s->gpio), dev_soc, NULL); + + /* STUB Peripherals */ + memory_region_init_io(&s->clock, NULL, &clock_ops, NULL, + "nrf51_soc.clock", 0x1000); + memory_region_add_subregion_overlap(&s->container, IOMEM_BASE, &s->clock, + -1); + 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", 0xF0000000, 0x10000000); } static void nrf51_soc_init(Object *obj) { NRF51State *s = NRF51_SOC(obj); + size_t i; memory_region_init(&s->container, obj, "nrf51-container", UINT64_MAX); @@ -118,6 +234,29 @@ static void nrf51_soc_init(Object *obj) 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); + + object_initialize(&s->uart, sizeof(s->uart), TYPE_NRF51_UART); + object_property_add_child(obj, "uart", OBJECT(&s->uart), &error_abort); + qdev_set_parent_bus(DEVICE(&s->uart), sysbus_get_default()); + + object_initialize(&s->nvm, sizeof(s->nvm), TYPE_NRF51_NVM); + object_property_add_child(obj, "nvm", OBJECT(&s->nvm), &error_abort); + qdev_set_parent_bus(DEVICE(&s->nvm), sysbus_get_default()); + + object_initialize(&s->rng, sizeof(s->rng), TYPE_NRF51_RNG); + object_property_add_child(obj, "rng", OBJECT(&s->rng), &error_abort); + qdev_set_parent_bus(DEVICE(&s->rng), sysbus_get_default()); + + object_initialize(&s->gpio, sizeof(s->gpio), TYPE_NRF51_GPIO); + object_property_add_child(obj, "gpio", OBJECT(&s->gpio), &error_abort); + qdev_set_parent_bus(DEVICE(&s->gpio), sysbus_get_default()); + + for (i = 0; i < NRF51_TIMER_NUM; i++) { + object_initialize(&s->timer[i], sizeof(s->timer[i]), TYPE_NRF51_TIMER); + object_property_add_child(obj, "timer[*]", OBJECT(&s->timer[i]), NULL); + qdev_set_parent_bus(DEVICE(&s->timer[i]), sysbus_get_default()); + } + } static Property nrf51_soc_properties[] = { diff --git a/include/hw/arm/nrf51_soc.h b/include/hw/arm/nrf51_soc.h index 45d9671dc3..d47b42fa37 100644 --- a/include/hw/arm/nrf51_soc.h +++ b/include/hw/arm/nrf51_soc.h @@ -14,11 +14,18 @@ #include "qemu/osdep.h" #include "hw/sysbus.h" #include "hw/arm/armv7m.h" +#include "hw/char/nrf51_uart.h" +#include "hw/misc/nrf51_rng.h" +#include "hw/nvram/nrf51_nvm.h" +#include "hw/gpio/nrf51_gpio.h" +#include "hw/timer/nrf51_timer.h" #define TYPE_NRF51_SOC "nrf51-soc" #define NRF51_SOC(obj) \ OBJECT_CHECK(NRF51State, (obj), TYPE_NRF51_SOC) +#define NRF51_TIMER_NUM 3 + typedef struct NRF51State { /*< private >*/ SysBusDevice parent_obj; @@ -31,9 +38,16 @@ typedef struct NRF51State { MemoryRegion flash; MemoryRegion *board_memory; - MemoryRegion container; + MemoryRegion clock; + + Nrf51UART uart; + Nrf51NVMState nvm; + Nrf51RNGState rng; + Nrf51GPIOState gpio; + Nrf51TimerState timer[NRF51_TIMER_NUM]; + /* Properties */ int32_t part_variant; } NRF51State; -- 2.18.0