circuitpython/ports/raspberrypi/boards/adafruit_feather_rp2040
Scott Shawcroft 5d2b60cbf6
Redo RP2040 flash settings
This switches stage2 to C and uses Jinja to change the C code based
on flash settings from https://github.com/adafruit/nvm.toml. It
produces the fastest settings for the given set of external flashes.
Flash size is no longer hard coded so switching flashes with similar
capabilities but different sizes should *just work*.

This PR also places "ITCM" code in RAM to save the XIP cache for
code execution. Further optimization is possible. A blink code.py
still requires a number of flash fetches every blink.

Fixes #4041
2021-03-18 16:55:42 -07:00
..
board.c Update RP2040 Feather pinout for production rev 2021-02-25 14:46:08 -08:00
mpconfigboard.h Redo RP2040 flash settings 2021-03-18 16:55:42 -07:00
mpconfigboard.mk Redo RP2040 flash settings 2021-03-18 16:55:42 -07:00
pins.c feather rp2040: enable default board.UART 2021-03-03 13:13:06 -06:00