diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
index f0bc97f9ee..7289a4c523 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
@@ -144,3 +144,21 @@ SPIDEV external0m1    SPI4 DEVID5  MPU_EXT_CS   MODE1  2*MHZ  2*MHZ
 SPIDEV external0m2    SPI4 DEVID5  MPU_EXT_CS   MODE2  2*MHZ  2*MHZ
 SPIDEV external0m3    SPI4 DEVID5  MPU_EXT_CS   MODE3  2*MHZ  2*MHZ
 
+define HAL_CHIBIOS_ARCH_FMUV3 1
+
+define HAL_BOARD_LOG_DIRECTORY "/APM/LOGS"
+define HAL_BOARD_TERRAIN_DIRECTORY "/APM/TERRAIN"
+
+define HAL_STORAGE_SIZE 16384
+
+# fallback storage location is flash if no FRAM fitted
+define STORAGE_FLASH_PAGE 22
+
+# enable RAMTROM parameter storage
+define HAL_WITH_RAMTRON 1
+
+# pixhawk2 cube has an IMU header
+define HAL_HAVE_IMU_HEATER 1
+
+# enable FAT filesystem
+define HAL_OS_FATFS_IO 1
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv4/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv4/hwdef.dat
index a63cc645d0..c793923591 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv4/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv4/hwdef.dat
@@ -148,3 +148,23 @@ SPIDEV icm20608    SPI1 DEVID6  20608_CS   MODE3   1*MHZ   8*MHZ
 SPIDEV hmc5843     SPI1 DEVID5  MAG_CS     MODE3  11*MHZ  11*MHZ
 SPIDEV lis3mdl     SPI1 DEVID5  MAG_CS     MODE3 500*KHZ 500*KHZ
 SPIDEV ramtron     SPI2 DEVID10 FRAM_CS    MODE3   8*MHZ   8*MHZ
+
+define HAL_CHIBIOS_ARCH_FMUV4 1
+
+define HAL_BOARD_LOG_DIRECTORY "/APM/LOGS"
+
+define HAL_STORAGE_SIZE        16384
+
+# enable RAMTROM parameter storage
+define HAL_WITH_RAMTRON 1
+
+# fallback to flash is no FRAM fitted
+define STORAGE_FLASH_PAGE 22
+
+# enable FAT filesystem
+define HAL_OS_FATFS_IO 1
+
+define HAL_GPIO_A_LED_PIN 0
+define HAL_GPIO_B_LED_PIN 1
+define HAL_GPIO_C_LED_PIN 2
+
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/mindpx-v2/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/mindpx-v2/hwdef.dat
index c8a8377b9c..9ae338a775 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/mindpx-v2/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/mindpx-v2/hwdef.dat
@@ -168,3 +168,19 @@ SPIDEV lsm9ds0_am SPI4  DEVID3 ACCEL_MAG_CS MODE3  11*MHZ 11*MHZ
 SPIDEV lsm9ds0_g  SPI4  DEVID4 GYRO_CS      MODE3  11*MHZ 11*MHZ
 SPIDEV ramtron    SPI1  DEVID5 FRAM_CS      MODE3   8*MHZ  8*MHZ
 SPIDEV radio      SPI2  DEVID6 NRF_CS       MODE3   2*MHZ  2*MHZ
+
+define HAL_CHIBIOS_ARCH_MINDPXV2 1
+
+define HAL_BOARD_LOG_DIRECTORY "/APM/LOGS"
+
+define HAL_STORAGE_SIZE 16384
+
+# enable RAMTROM parameter storage
+define HAL_WITH_RAMTRON 1
+
+# fallback to flash storage
+define STORAGE_FLASH_PAGE 22
+
+# enable FAT filesystem
+#define HAL_OS_FATFS_IO 1
+
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-f412/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-f412/hwdef.dat
index 992c0a4ce0..895e584fad 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-f412/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-f412/hwdef.dat
@@ -91,3 +91,18 @@ SPIDEV cypress    SPI1 DEVID1 RADIO_CS MODE0 2*MHZ 2*MHZ
 SPIDEV cc2500     SPI1 DEVID1 RADIO_CS MODE0 4*MHZ 4*MHZ
 SPIDEV pixartflow SPI2 DEVID2 FLOW_CS  MODE3 2*MHZ 2*MHZ
 
+
+define HAL_CHIBIOS_ARCH_F412 1
+
+define HAL_INS_DEFAULT HAL_INS_MPU60XX_I2C
+define HAL_INS_DEFAULT_ROTATION ROTATION_NONE
+define HAL_INS_MPU60x0_I2C_BUS 1
+define HAL_INS_MPU60x0_I2C_ADDR 0x68
+
+define HAL_GPIO_RADIO_RESET       1
+define HAL_GPIO_RADIO_IRQ         2
+
+define HAL_RCINPUT_WITH_AP_RADIO 1
+define STORAGE_FLASH_PAGE	 1
+define HAL_STORAGE_SIZE 8192
+