Skip to content

Instantly share code, notes, and snippets.

@kylemanna

kylemanna/am3505-enable-gpt9.sh

Created November 25, 2011 16:44
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save kylemanna/1393945 to your computer and use it in GitHub Desktop.
Save kylemanna/1393945 to your computer and use it in GitHub Desktop.
Download ZIP
Enable GPT9 PWM on AM3505/AM3517
Raw
am3505-enable-gpt9.sh
#!/bin/sh
# Enable functional and interface clocks for gpt9 (bit 10)
devmem2 0x48005000 w 0x00000c00
devmem2 0x48005010 w 0x0003Ec00
# Zero pwm
devmem2 0x49040024 w 0
# Switch to gpt9_pwm_evt in mux
devmem2 0x480021D8 h 1
# Configure PWM and start it
devmem2 0x4904002C w 0xFFFFc000
devmem2 0x49040038 w 0xFFFFf000
devmem2 0x49040028 w 0xFFFFc000
devmem2 0x49040024 w 0x01843
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment