rp2040: Add initial support for the rp2040 mcu

Support the rp2040 (as tested on a Raspberry Pi Pico board).  This
adds basic uart, timer, gpio, and watchdog support.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-06-19 21:43:26 -04:00
parent 20c5976356
commit 045bfa4e8d
11 changed files with 642 additions and 0 deletions

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# Base config file for rp2040 boards
CONFIG_MACH_RP2040=y