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9c80a69266
Hardcoded pin maps do not make sense with additional HW support. Allows tracing of a single pin in another tracing module, for example for tracing the SPI cs pin. Signed-off-by: Janne Grunau <j@jannau.net>
40 lines
1,007 B
Python
40 lines
1,007 B
Python
# SPDX-License-Identifier: MIT
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from m1n1.trace.gpio import GPIOTracer
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#trace_device("/arm-io/gpio", True)
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# trace gpio interrups, useful to follow the cascaded interrupts
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aic_phandle = getattr(hv.adt["/arm-io/aic"], "AAPL,phandle")
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try:
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node = hv.adt["/arm-io/gpio0"]
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path = "/arm-io/gpio0"
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except:
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node = hv.adt["/arm-io/gpio"]
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path = "/arm-io/gpio"
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if getattr(node, "interrupt-parent") == aic_phandle:
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for irq in getattr(node, "interrupts"):
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hv.trace_irq(node.name, irq, 1, hv.IRQTRACE_IRQ)
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PIN_NAMES_j274 = {
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0xC0: "i2c0:scl",
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0xBC: "i2c0:sda",
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0xC9: "i2c1:scl",
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0xC7: "i2c1:sda",
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0xA3: "i2c2:scl",
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0xA2: "i2c2:sda",
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106: "hpm:irq",
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136: "bluetooth:irq",
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196: "wlan:irq",
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183: "cs42l83:irq",
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182: "tas5770:irq",
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152: "pci@0,0",
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153: "pci@1,0",
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33: "pci@2,0",
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#0x2D: "spi_nor:CS",
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}
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GPIOTracer = GPIOTracer._reloadcls()
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gpio_tracer = GPIOTracer(hv, path, PIN_NAMES_j274, verbose=0)
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gpio_tracer.start()
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