arch/nrf53: add SoftDevice support

Kconfig

@@ -68,7 +68,7 @@ config ALLOW_MIT_COMPONENTS
 
 config ALLOW_BSDNORDIC_COMPONENTS
 	bool "Use components that have 5-Clause Nordic licenses"
-	depends on ARCH_CHIP_NRF52
+	depends on ARCH_CHIP_NRF52 || ARCH_CHIP_NRF53
 	default n
 	---help---
 		When this option is enabled the project will allow the use

arch/arm/src/nrf53/.gitignore

@@ -0,0 +1,2 @@
+sdk-nrfxlib*
+*.tar.gz

arch/arm/src/nrf53/Kconfig

@@ -163,3 +163,90 @@ config NRF53_SYSTIMER_SYSTICK
 endchoice
 
 endmenu # System Timer
+
+menuconfig NRF53_SOFTDEVICE_CONTROLLER
+	bool "SoftDevice Controller"
+	depends on ALLOW_BSDNORDIC_COMPONENTS
+	depends on NRF53_NETCORE
+	select ARMV8M_USEBASEPRI
+	select ARCH_RAMVECTORS
+	select ARCH_IRQPRIO
+	select CRYPTO
+	select CRYPTO_RANDOM_POOL
+	select NRF53_USE_LFCLK
+	---help---
+		This enables use of Nordic SoftDevice controller
+		(SDC). It is a library version of a subset of
+		full SoftDevice, which only includes the BLE
+		controller implementation.
+
+		It makes use of RTC0, TIMER0 and RADIO so
+		these will be unavailable for direct use by user.
+		It also makes use of DPPI channel range 0-13.
+
+if NRF53_SOFTDEVICE_CONTROLLER
+
+config NRF53_SDC_CLOCK_ACCURACY
+	int "Clock Accuracy [PPM]"
+	default 250
+	---help---
+		Select the clock accuracy depending on the chosen low-frequency clock
+		source
+
+config NRF53_SDC_PERIPHERAL_COUNT
+	int "Number of peripheral roles to support (also central)"
+	default 1
+	---help---
+		This controls how many peripheral connections will be supported. It also
+		determines the number of central roles from the following:
+
+		CENTRAL_ROLES = CONFIG_BLUETOOTH_MAX_CONN - NRF53_SDC_PERIPHERAL_COUNT
+
+		So by choosing these two variables you can control both capabilities.
+
+config NRF53_SDC_ADVERTISING
+	bool "Support advertising"
+	default y
+
+config NRF53_SDC_SCANNING
+	bool "Support scanning"
+	default y
+
+if NRF53_SDC_SCANNING
+
+config NRF53_SDC_SCAN_BUFFER_COUNT
+	int "Scanning buffer count"
+	default 3
+	---help---
+		The minimum allowed number of buffers is 2.
+
+endif
+
+config NRF53_SDC_LE_2M_PHY
+	bool "Support LE 2M PHY"
+	default y
+
+config NRF53_SDC_LE_CODED_PHY
+	bool "Support LE Coded PHY"
+	default n if ARCH_CHIP_NRF53832
+	default y if ARCH_CHIP_NRF53840
+	depends on NRF53_SDC_MULTIROLE
+
+config NRF53_SDC_DLE
+	bool "Support Data Length Extension (DLE)"
+	default y
+
+config NRF53_BLE_TTY_NAME
+	string "BLE TTY device name"
+	default "/dev/ttyHCI0"
+	depends on UART_BTH4
+
+config NRF53_SDC_FICR_STATIC_ADDR
+	bool "Configure factory generated static random address"
+	default n
+
+config NRF53_SDC_PUB_ADDR
+	hex "Configure BT public address"
+	default 0x0000000000
+
+endif

arch/arm/src/nrf53/Make.defs

@@ -41,3 +41,53 @@ endif
 ifeq ($(CONFIG_NRF53_APPCORE),y)
 CHIP_CSRCS += nrf53_cpunet.c
 endif
+
+ifeq ($(CONFIG_NRF53_SOFTDEVICE_CONTROLLER),y)
+
+NRFXLIB_UNPACK  := sdk-nrfxlib
+NRFXLIB_VER     := 2.3.0
+NRFXLIB_REF     := v$(NRFXLIB_VER)
+NRFXLIB_TGZ     := $(NRFXLIB_REF).tar.gz
+NRFXLIB_URL     := https://github.com/nrfconnect/sdk-nrfxlib/archive
+
+$(NRFXLIB_TGZ):
+	$(Q) echo "Downloading: NRFXLIB"
+	$(Q) curl -L $(NRFXLIB_URL)/$(NRFXLIB_TGZ) -o chip/$(NRFXLIB_TGZ)
+
+chip/$(NRFXLIB_UNPACK): $(NRFXLIB_TGZ)
+	$(Q) echo "Unpacking: NRXFLIB"
+	$(Q) cd chip && tar zxf $(NRFXLIB_TGZ)
+	$(Q) mv chip/$(NRFXLIB_UNPACK)-$(NRFXLIB_VER)* chip/$(NRFXLIB_UNPACK)
+	$(Q) touch chip/$(NRFXLIB_UNPACK)
+
+ifeq ($(wildcard chip/$(NRFXLIB_UNPACK)/.git),)
+context:: chip/$(NRFXLIB_UNPACK)
+
+distclean::
+	$(call DELFILE, chip/$(NRFXLIB_TGZ))
+	$(call DELDIR, chip/$(NRFXLIB_UNPACK))
+endif
+
+CHIP_CSRCS += nrf53_sdc.c
+
+NRFX_DIR = $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)nrfx
+NRFXLIB_DIR = $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)sdk-nrfxlib
+CMSIS_DIR = $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)CMSIS_5
+
+INCLUDES += \
+	$(shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)chip$(DELIM)sdc) \
+	$(shell $(INCDIR) "$(CC)" $(NRFXLIB_DIR)$(DELIM)mpsl$(DELIM)include) \
+	$(shell $(INCDIR) "$(CC)" $(NRFXLIB_DIR)$(DELIM)softdevice_controller$(DELIM)include)
+
+CFLAGS += -DNRF53_SERIES
+
+LIB_VARIANT=soft-float
+
+EXTRA_LIBPATHS += \
+	-L $(NRFXLIB_DIR)$(DELIM)mpsl$(DELIM)lib$(DELIM)cortex-m33+nodsp$(DELIM)$(LIB_VARIANT) \
+	-L $(NRFXLIB_DIR)$(DELIM)softdevice_controller$(DELIM)lib$(DELIM)cortex-m33+nodsp$(DELIM)$(LIB_VARIANT)
+
+EXTRA_LIBS += -lmpsl
+EXTRA_LIBS += -lsoftdevice_controller_multirole
+
+endif

arch/arm/src/nrf53/nrf53_sdc.h

@@ -0,0 +1,65 @@
+/****************************************************************************
+ * arch/arm/src/nrf53/nrf53_sdc.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_NRF53_NRF53_SDC_H
+#define __ARCH_ARM_SRC_NRF53_NRF53_SDC_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+int nrf53_sdc_initialize(void);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ARCH_ARM_SRC_NRF53_NRF53_SDC_H */

arch/arm/src/nrf53/sdc/README.md

@@ -0,0 +1,2 @@
+This directory holds stub files for building Nordic SoftDevice Controller without having to pull
+NRFX and CMSIS just to have a few definitions.

arch/arm/src/nrf53/sdc/nrf.h

@@ -0,0 +1,30 @@
+/****************************************************************************
+ * arch/arm/src/nrf53/sdc/nrf.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_NRF53_SDC_NRF_H
+#define __ARCH_ARM_SRC_NRF53_SDC_NRF_H
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+typedef int IRQn_Type;
+
+#endif /* __ARCH_ARM_SRC_NRF53_SDC_NRF_H */

arch/arm/src/nrf53/sdc/nrf_peripherals.h

@@ -0,0 +1,30 @@
+/****************************************************************************
+ * arch/arm/src/nrf53/sdc/nrf_peripherals.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_NRF53_SDC_NRF_PERIPHERALS_H
+#define __ARCH_ARM_SRC_NRF53_SDC_NRF_PERIPHERALS_H
+
+/****************************************************************************
+ * Public Definitions
+ ****************************************************************************/
+
+#define DPPIC_PRESENT 1
+
+#endif  /* __ARCH_ARM_SRC_NRF53_SDC_NRF_PERIPHERALS_H */