j0h

Learning About Pine Phone

j0h
Feb 17th, 2020
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  1. My notes on hacking the pinePhone: stuff I have to look into:
  2. Kernel command line: console=ttyS0,115200 console=tty0 root=PARTUUID=cedf259d-01 rw rootwait
  3. ACPI not present in kernel, and PSCI doesnt tell you about battery life
  4. printk: console [tty0] enabled
  5. Yama: becoming mindful -- a useless kernel message of some sort. https://utcc.utoronto.ca/~cks/space/blog/linux/UselessKernelMessages
  6. [ 0.046535] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
  7. [ 0.047647] Serial: AMBA PL011 UART driver
  8.  
  9. videodev: Linux video capture interface: v2.00 --had mad issues with video capture so far.
  10.  
  11.  
  12. thermal_sys: might this be a sensor I can read?
  13.  
  14. sun6i-mipi-dphy --something to do with megapixel cameras
  15.  
  16. 1c28400.serial: ttyS1 at MMIO 0x1c28400 (irq = 28, base_baud = 1500000) is a U6_16550A
  17.  
  18. ubuntu-location-service killed by kernel, but, maybe I can enable it. https://docs.ubuntu.com/core/en/stacks/location/location-service/docs/obtain-location
  19. fukin thing keeps respawning, maybe I can do soemething about that too. HW switch is off.
  20.  
  21. isc-dhcp-server has some issue spawning. --but why do I need the kernel to spawn that?....
  22.  
  23. I omitted the audio driver failing to launch, alsa being spawned by i2s look at that later.
  24. parent_rate: 24576000, sampling_rate: 16000, channels: 1, word_size: 16
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