You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
234 lines
8.6 KiB
234 lines
8.6 KiB
# The MIT License (MIT)
|
|
#
|
|
# Copyright (c) 2020 Melissa LeBlanc-Williams for Adafruit Industries
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
"""
|
|
`adafruit_platformdetect.chip`
|
|
================================================================================
|
|
|
|
Attempt detection of current chip / CPU
|
|
|
|
* Author(s): Melissa LeBlanc-Williams
|
|
|
|
Implementation Notes
|
|
--------------------
|
|
|
|
**Software and Dependencies:**
|
|
|
|
* Linux and Python 3.5 or Higher
|
|
|
|
"""
|
|
|
|
# imports
|
|
import os
|
|
import sys
|
|
|
|
from adafruit_platformdetect.constants import chips
|
|
|
|
__version__ = "0.0.0-auto.0"
|
|
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_PlatformDetect.git"
|
|
|
|
|
|
class Chip:
|
|
"""Attempt detection of current chip / CPU."""
|
|
|
|
def __init__(self, detector):
|
|
self.detector = detector
|
|
|
|
@property
|
|
def id(
|
|
self,
|
|
): # pylint: disable=invalid-name,too-many-branches,too-many-return-statements
|
|
"""Return a unique id for the detected chip, if any."""
|
|
# There are some times we want to trick the platform detection
|
|
# say if a raspberry pi doesn't have the right ID, or for testing
|
|
try:
|
|
return os.environ["BLINKA_FORCECHIP"]
|
|
except KeyError: # no forced chip, continue with testing!
|
|
pass
|
|
|
|
# Special cases controlled by environment var
|
|
if os.environ.get("BLINKA_FT232H"):
|
|
from pyftdi.usbtools import UsbTools
|
|
|
|
# look for it based on PID/VID
|
|
count = len(UsbTools.find_all([(0x0403, 0x6014)]))
|
|
if count == 0:
|
|
raise RuntimeError(
|
|
"BLINKA_FT232H environment variable "
|
|
+ "set, but no FT232H device found"
|
|
)
|
|
return chips.FT232H
|
|
if os.environ.get("BLINKA_MCP2221"):
|
|
import hid
|
|
|
|
# look for it based on PID/VID
|
|
for dev in hid.enumerate():
|
|
if dev["vendor_id"] == 0x04D8 and dev["product_id"] == 0x00DD:
|
|
return chips.MCP2221
|
|
raise RuntimeError(
|
|
"BLINKA_MCP2221 environment variable "
|
|
+ "set, but no MCP2221 device found"
|
|
)
|
|
if os.environ.get("BLINKA_GREATFET"):
|
|
import usb
|
|
|
|
if usb.core.find(idVendor=0x1D50, idProduct=0x60E6) is not None:
|
|
return chips.LPC4330
|
|
raise RuntimeError(
|
|
"BLINKA_GREATFET environment variable "
|
|
+ "set, but no GreatFET device found"
|
|
)
|
|
if os.environ.get("BLINKA_NOVA"):
|
|
return chips.BINHO
|
|
|
|
platform = sys.platform
|
|
if platform in ("linux", "linux2"):
|
|
return self._linux_id()
|
|
if platform == "esp8266":
|
|
return chips.ESP8266
|
|
if platform == "samd21":
|
|
return chips.SAMD21
|
|
if platform == "pyboard":
|
|
return chips.STM32
|
|
# nothing found!
|
|
return None
|
|
|
|
# pylint: enable=invalid-name
|
|
|
|
def _linux_id(self):
|
|
# pylint: disable=too-many-branches,too-many-statements
|
|
# pylint: disable=too-many-return-statements
|
|
"""Attempt to detect the CPU on a computer running the Linux kernel."""
|
|
|
|
if self.detector.check_dt_compatible_value("qcom,apq8016"):
|
|
return chips.APQ8016
|
|
|
|
if self.detector.check_dt_compatible_value("fu500"):
|
|
return chips.HFU540
|
|
|
|
if self.detector.check_dt_compatible_value("sun8i-a33"):
|
|
return chips.A33
|
|
|
|
if self.detector.check_dt_compatible_value("rockchip,rk3308"):
|
|
return chips.RK3308
|
|
|
|
linux_id = None
|
|
hardware = self.detector.get_cpuinfo_field("Hardware")
|
|
|
|
if hardware is None:
|
|
vendor_id = self.detector.get_cpuinfo_field("vendor_id")
|
|
if vendor_id == "AuthenticAMD":
|
|
model_name = self.detector.get_cpuinfo_field("model name").upper()
|
|
if "RYZEN EMBEDDED V1605B" in model_name:
|
|
linux_id = chips.RYZEN_V1605B
|
|
else:
|
|
linux_id = chips.GENERIC_X86
|
|
elif vendor_id == "GenuineIntel":
|
|
linux_id = chips.GENERIC_X86
|
|
|
|
compatible = self.detector.get_device_compatible()
|
|
if compatible and "tegra" in compatible:
|
|
compats = compatible.split("\x00")
|
|
if "nvidia,tegra210" in compats:
|
|
linux_id = chips.T210
|
|
elif "nvidia,tegra186" in compats:
|
|
linux_id = chips.T186
|
|
elif "nvidia,tegra194" in compats:
|
|
linux_id = chips.T194
|
|
if compatible and "imx8m" in compatible:
|
|
linux_id = chips.IMX8MX
|
|
if compatible and "odroid-c2" in compatible:
|
|
linux_id = chips.S905
|
|
if compatible and "amlogic" in compatible:
|
|
compatible_list = (
|
|
compatible.replace("\x00", ",").replace(" ", "").split(",")
|
|
)
|
|
if "g12a" in compatible_list:
|
|
# 'sm1' is correct for S905X3, but some kernels use 'g12a'
|
|
return chips.S905X3
|
|
if "g12b" in compatible_list:
|
|
return chips.S922X
|
|
if "sm1" in compatible_list:
|
|
return chips.S905X3
|
|
if compatible and "sun50i-a64" in compatible:
|
|
linux_id = chips.A64
|
|
if compatible and "odroid-xu4" in compatible:
|
|
linux_id = chips.EXYNOS5422
|
|
|
|
cpu_model = self.detector.get_cpuinfo_field("cpu model")
|
|
|
|
if cpu_model is not None:
|
|
if "MIPS 24Kc" in cpu_model:
|
|
linux_id = chips.MIPS24KC
|
|
elif "MIPS 24KEc" in cpu_model:
|
|
linux_id = chips.MIPS24KEC
|
|
|
|
# we still haven't identified the hardware, so
|
|
# convert it to a list and let the remaining
|
|
# conditions attempt.
|
|
if not linux_id:
|
|
hardware = [
|
|
entry.replace("\x00", "") for entry in compatible.split(",")
|
|
]
|
|
|
|
if not linux_id:
|
|
if "AM33XX" in hardware:
|
|
linux_id = chips.AM33XX
|
|
elif "sun8i" in hardware:
|
|
linux_id = chips.SUN8I
|
|
elif "ODROIDC" in hardware:
|
|
linux_id = chips.S805
|
|
elif "ODROID-C2" in hardware:
|
|
linux_id = chips.S905
|
|
elif "ODROID-N2" in hardware:
|
|
linux_id = chips.S922X
|
|
elif "ODROID-C4" in hardware:
|
|
linux_id = chips.S905X3
|
|
elif "ODROID-XU4" in hardware:
|
|
linux_id = chips.EXYNOS5422
|
|
elif "SAMA5" in hardware:
|
|
linux_id = chips.SAMA5
|
|
elif "Pinebook" in hardware:
|
|
linux_id = chips.A64
|
|
elif "sun50iw1p1" in hardware:
|
|
linux_id = chips.A64
|
|
elif "Xilinx Zynq" in hardware:
|
|
compatible = self.detector.get_device_compatible()
|
|
if compatible and "xlnx,zynq-7000" in compatible:
|
|
linux_id = chips.ZYNQ7000
|
|
else:
|
|
if isinstance(hardware, str):
|
|
if hardware.upper() in chips.BCM_RANGE:
|
|
linux_id = chips.BCM2XXX
|
|
elif isinstance(hardware, list):
|
|
if {model.upper() for model in hardware} & chips.BCM_RANGE:
|
|
linux_id = chips.BCM2XXX
|
|
|
|
return linux_id
|
|
|
|
def __getattr__(self, attr):
|
|
"""
|
|
Detect whether the given attribute is the currently-detected chip. See
|
|
list of constants at the top of this module for available options.
|
|
"""
|
|
if self.id == attr:
|
|
return True
|
|
return False
|