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[microTVM][Zephyr] Add MIMXRT1050 board support #9068

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merged 3 commits into from
Sep 28, 2021
Merged

[microTVM][Zephyr] Add MIMXRT1050 board support #9068

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3d7c332
add target support
mehrdadh Sep 21, 2021
fe51232
merge and resolved conflict
mehrdadh Sep 23, 2021
132d14a
fix ci issue
mehrdadh Sep 27, 2021
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6 changes: 6 additions & 0 deletions apps/microtvm/zephyr/template_project/boards.json
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Original file line number Diff line number Diff line change
@@ -1,4 +1,10 @@
{
"mimxrt1050_evk": {
"board": "mimxrt1050_evk",
"model": "imxrt10xx",
"is_qemu": false,
"fpu": true
},
"mps2_an521": {
"board": "mps2_an521",
"model": "mps2_an521",
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12 changes: 9 additions & 3 deletions apps/microtvm/zephyr/template_project/microtvm_api_server.py
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Expand Up @@ -162,6 +162,7 @@ def _get_device_args(options):
"nucleo_l4r5zi": {"idVendor": 0x0483, "idProduct": 0x374B},
"nucleo_f746zg": {"idVendor": 0x0483, "idProduct": 0x374B},
"stm32f746g_disco": {"idVendor": 0x0483, "idProduct": 0x374B},
"mimxrt1050_evk": {"idVendor": 0x1366, "idProduct": 0x0105},
}


Expand Down Expand Up @@ -545,6 +546,10 @@ def _find_openocd_serial_port(cls, options):

return ports[0].device

@classmethod
def _find_jlink_serial_port(cls, options):
return cls._find_openocd_serial_port(options)
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@gromero gromero Sep 28, 2021 •
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@mehrdadh I think that ideally _find_jlink_serial_port() should not be made merely a wrapper for _find_openocd_serial_port(). I understand that the code for the later works well for finding a serial for Jlink too, but openocd is not really involved on detecting the serial port in the end. It looks in Zephyr's CMake configs and goes for a detection using usb module. Hence I think that _find_openocd_serial_port() should be made a generic code (and renamed to something like _find_serial_port()) and then be used for both "openocd" and "jlink" flash runners.

_find_openocd_serial_port() even contains debug message which cites openocd which is confusing because under the hood for the board in question JLinkExe will be used to flash the fw, not openocd.

The ProjectOption openocd_serial with also contains "openocd" also becomes incorrect since that option also applies now to jlink flash runner, so ideally it should be adapted too I think.

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Thanks for extra investigation on this. I agree that this is a bit confusing. We could do a refactor here in a follow on PR.


@classmethod
def _find_serial_port(cls, options):
flash_runner = _get_flash_runner()
Expand All @@ -555,9 +560,10 @@ def _find_serial_port(cls, options):
if flash_runner == "openocd":
return cls._find_openocd_serial_port(options)

raise FlashRunnerNotSupported(
f"Don't know how to deduce serial port for flash runner {flash_runner}"
)
if flash_runner == "jlink":
return cls._find_jlink_serial_port(options)

raise RuntimeError(f"Don't know how to deduce serial port for flash runner {flash_runner}")

def __init__(self, options):
self._options = options
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2 changes: 1 addition & 1 deletion python/tvm/target/target.py
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Expand Up @@ -286,7 +286,7 @@ def intel_graphics(model="unknown", options=None):
"atsamd51": ["-mcpu=cortex-m4"],
"cxd5602gg": ["-mcpu=cortex-m4"],
"esp32": [],
"imxrt1060": ["-mcpu=cortex-m7"],
"imxrt10xx": ["-mcpu=cortex-m7"],
"mps2_an521": ["-mcpu=cortex-m33"],
"nrf52840": ["-mcpu=cortex-m4"],
"nrf5340dk": ["-mcpu=cortex-m33"],
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