Introduce Bouffalo Lab SoC's

modules/Kconfig

@@ -66,6 +66,9 @@ comment "Unavailable modules, please install those via the project manifest."
 # config ZEPHYR_<MODULE_NAME_UPPER>_MODULE
 # 	bool
 
+comment "hal_bouffalolab module not available."
+	depends on !ZEPHYR_HAL_BOUFFALOLAB_MODULE
+
 comment "hal_gigadevice module not available."
 	depends on !ZEPHYR_HAL_GIGADEVICE_MODULE
 

modules/hal_bouffalolab/CMakeLists.txt

@@ -0,0 +1,61 @@
+# Copyright (c) 2021-2024 Gerson Fernando Budke <[email protected]>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+if(CONFIG_SOC_FAMILY_BFLB)
+
+zephyr_library_named(hal_bouffalolab)
+
+zephyr_compile_definitions(
+  ARCH_RISCV
+)
+
+zephyr_library_compile_definitions(
+  BFLB_USE_HAL_DRIVER
+  BFLB_USE_CUSTOM_LD_SECTIONS
+)
+
+set(bflb_soc         ${CONFIG_SOC_SUB_SERIES})
+set(bflb_drv_dir     ${ZEPHYR_HAL_BOUFFALOLAB_MODULE_DIR}/drivers/${bflb_soc}_driver)
+set(bflb_common_dir  ${ZEPHYR_HAL_BOUFFALOLAB_MODULE_DIR}/common)
+set(bflb_drv_src_dir ${bflb_drv_dir}/std_drv/src)
+
+# Global includes to be used outside hal_gigadevice
+zephyr_include_directories(
+  include
+  ${ZEPHYR_HAL_BOUFFALOLAB_MODULE_DIR}/include
+
+  ${bflb_drv_dir}/regs
+  ${bflb_drv_dir}/startup
+  ${bflb_drv_dir}/std_drv/inc
+
+  ${bflb_common_dir}/misc
+)
+
+zephyr_library_include_directories(
+  ${bflb_common_dir}/soft_crc
+)
+
+zephyr_library_sources(
+  ${bflb_drv_src_dir}/${bflb_soc}_aon.c
+  ${bflb_drv_src_dir}/${bflb_soc}_ef_ctrl.c
+  ${bflb_drv_src_dir}/${bflb_soc}_glb.c
+  ${bflb_drv_src_dir}/${bflb_soc}_hbn.c
+  ${bflb_drv_src_dir}/${bflb_soc}_l1c.c
+  ${bflb_drv_src_dir}/${bflb_soc}_pds.c
+  ${bflb_drv_src_dir}/${bflb_soc}_romapi.c
+
+  ${bflb_common_dir}/soft_crc/softcrc.c
+)
+
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_ACOMP ${bflb_drv_src_dir}/${bflb_soc}_acomp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_ADC   ${bflb_drv_src_dir}/${bflb_soc}_adc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_DAC   ${bflb_drv_src_dir}/${bflb_soc}_dac.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_DMA   ${bflb_drv_src_dir}/${bflb_soc}_dma.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_I2C   ${bflb_drv_src_dir}/${bflb_soc}_i2c.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_IR    ${bflb_drv_src_dir}/${bflb_soc}_ir.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_PWM   ${bflb_drv_src_dir}/${bflb_soc}_pwm.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_SPI   ${bflb_drv_src_dir}/${bflb_soc}_spi.c)
+zephyr_library_sources_ifdef(CONFIG_USE_BFLB_UART  ${bflb_drv_src_dir}/${bflb_soc}_uart.c)
+
+endif()

modules/hal_bouffalolab/Kconfig

@@ -0,0 +1,59 @@
+# Copyright (c) 2021-2024 Gerson Fernando Budke <[email protected]>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config ZEPHYR_HAL_BOUFFALOLAB_MODULE
+	bool
+
+config HAS_BFLB_HAL
+	bool
+
+if HAS_BFLB_HAL
+
+config USE_BFLB_ACOMP
+	bool
+	help
+	  Enable BFLB Analog Comparator (ACOMP) HAL module driver
+
+config USE_BFLB_ADC
+	bool
+	help
+	  Enable BFLB Analog-to-Digital Converter (ADC) HAL module driver
+
+config USE_BFLB_DAC
+	bool
+	help
+	  Enable BFLB Digital-to-Analog Converter (DAC) HAL module driver
+
+config USE_BFLB_DMA
+	bool
+	help
+	  Enable BFLB Direct Memory Access controller (DMA) HAL module driver
+
+config USE_BFLB_I2C
+	bool
+	help
+	  Enable BFLB Inter-Integrated Circuit Interface (I2C) HAL module driver
+
+config USE_BFLB_IR
+	bool
+	help
+	  Enable BFLB Infrared Remote controller (IR) HAL module driver
+
+config USE_BFLB_PWM
+	bool
+	help
+	  Enable BFLB Pulse Width Modulation (PMU) HAL module driver
+
+config USE_BFLB_SPI
+	bool
+	help
+	  Enable BFLB Serial Peripheral Interface(SPI) HAL module driver
+
+config USE_BFLB_UART
+	bool
+	help
+	  Enable BFLB Universal Asynchronous Receiver/Transmitter (UART)
+	  HAL module driver
+
+endif # HAS_BFLB_HAL

modules/hal_bouffalolab/include/bl_ld_sections.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2021-2024 Gerson Fernando Budke <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef __BL_LD_SECTIONS_H
+#define __BL_LD_SECTIONS_H
+
+#define ATTR_STRINGIFY(x)        #x
+#define ATTR_TOSTRING(x)         ATTR_STRINGIFY(x)
+#define ATTR_UNI_SYMBOL          __FILE__ ATTR_TOSTRING(__LINE__)
+#define ATTR_CLOCK_SECTION       __attribute__((section(".itcm.sclock_rlt_code." ATTR_UNI_SYMBOL)))
+#define ATTR_CLOCK_CONST_SECTION __attribute__((section(".itcm.sclock_rlt_const." ATTR_UNI_SYMBOL)))
+#define ATTR_TCM_SECTION         __attribute__((section(".itcm.code." ATTR_UNI_SYMBOL)))
+#define ATTR_TCM_CONST_SECTION   __attribute__((section(".itcm.const." ATTR_UNI_SYMBOL)))
+#define ATTR_DTCM_SECTION        __attribute__((section(".dtcm.data")))
+#define ATTR_HSRAM_SECTION       __attribute__((section(".hsram_code")))
+#define ATTR_DMA_RAM_SECTION     __attribute__((section(".system_ram")))
+#define ATTR_HBN_RAM_SECTION     __attribute__((section(".hbn_ram_code")))
+#define ATTR_HBN_RAM_CONST_SECTION __attribute__((section(".hbn_ram_data")))
+#define ATTR_FALLTHROUGH()       __attribute__((fallthrough))
+#define ATTR_USED                __attribute__((__used__))
+#define ATTR_EALIGN(x)           __aligned(size)
+
+#endif /* __BL_LD_SECTIONS_H */

west.yml

@@ -23,6 +23,8 @@ manifest:
       url-base: https://github.com/zephyrproject-rtos
     - name: babblesim
       url-base: https://github.com/BabbleSim
+    - name: nandojve
+      url-base: https://github.com/nandojve
 
   group-filter: [-babblesim, -optional]
 
@@ -161,6 +163,12 @@ manifest:
       path: modules/hal/atmel
       groups:
         - hal
+    - name: hal_bouffalolab
+      remote: nandojve
+      path: modules/hal/bouffalolab
+      revision: sdk-v1.4.5
+      groups:
+        - hal
     - name: hal_espressif
       revision: e52371024732a47a67fa9c889fbccd0aa6355f3a
       path: modules/hal/espressif