Initial support for Sifive's HiFive Unleashed

adafruit_platformdetect/board.py

@@ -60,6 +60,9 @@
 
 FTDI_FT232H                 = "FT232H"
 DRAGONBOARD_410C            = "DRAGONBOARD_410C"
+
+SIFIVEHFUA00                = "SIFIVEHFUA00"
+
 # pylint: enable=bad-whitespace
 
 #OrangePI
@@ -119,6 +122,11 @@
     DRAGONBOARD_410C,
 )
 
+
+_SIFIVE_IDS = (
+    SIFIVEHFUA00,
+)
+
 # BeagleBone eeprom board ids from:
 #   https://github.com/beagleboard/image-builder
 # Thanks to zmatt on freenode #beagle for pointers.
@@ -305,6 +313,8 @@ def id(self):
             board_id = DRAGONBOARD_410C
         elif chip_id in (ap_chip.T210, ap_chip.T186, ap_chip.T194):
             board_id = self._tegra_id()
+        elif chip_id == ap_chip.HFU540:
+            board_id = self._sifive_id()
         return board_id
     # pylint: enable=invalid-name
 
@@ -387,6 +397,12 @@ def _tegra_id(self):
             board = JETSON_NANO
         return board
 
+    def _sifive_id(self):
+        """Try to detect the id for Sifive RISCV64 board."""
+        board_value = self.detector.get_device_model()
+        if 'hifive-unleashed-a00' in board_value:
+            return SIFIVEHFUA00
+
     @property
     def any_96boards(self):
         """Check whether the current board is any 96boards board."""
@@ -432,12 +448,18 @@ def any_jetson_board(self):
         """Check whether the current board is any defined Jetson Board."""
         return self.id in _JETSON_IDS
 
+    @property
+    def any_sifive_board(self):
+        """Check whether the current board is any defined Jetson Board."""
+        return self.id in _SIFIVE_IDS
+
     @property
     def any_embedded_linux(self):
         """Check whether the current board is any embedded Linux device."""
         return self.any_raspberry_pi or self.any_beaglebone or \
          self.any_orange_pi or self.any_giant_board or self.any_jetson_board or \
-         self.any_coral_board or self.any_odroid_40_pin or self.any_96boards
+         self.any_coral_board or self.any_odroid_40_pin or self.any_96boards or \
+         self.any_sifive_board
 
     def __getattr__(self, attr):
         """

adafruit_platformdetect/chip.py

@@ -18,6 +18,7 @@
 APQ8016 = "APQ8016"
 GENERIC_X86 = "GENERIC_X86"
 FT232H = "FT232H"
+HFU540 = "HFU540"
 
 class Chip:
     """Attempt detection of current chip / CPU."""
@@ -78,6 +79,9 @@ def _linux_id(self): # pylint: disable=too-many-branches
         if self.detector.check_dt_compatible_value("qcom,apq8016"):
             return APQ8016
 
+        if self.detector.check_dt_compatible_value("fu500"):
+            return HFU540
+
         linux_id = None
         hardware = self.detector.get_cpuinfo_field("Hardware")