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3 Commits

Author SHA1 Message Date
Kevin O'Connor f2b4d353d8 rp2040: Add _ramfunc macro to internal.h and use in bootrom.c and chipid.c 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2021-07-04 12:45:27 -04:00
Lasse Dalegaard ba958468b7 rp2040: add chipid support 
The rp2040 doesn't have a chip ID, but the flash chip connected does. We
can get this ID by asking the flash chip directly, but doing so requires
disengaging the XIP layer, performing the interrogation of the flash
chip, and then re-enabling the XIP layer. This gives us a 64-bit unique
ID that we can use as our USB serial number.

Signed-off-by: Lasse Dalegaard <dalegaard@gmail.com>
 2021-07-04 12:43:45 -04:00
Lasse Dalegaard 0597210cb9 rp2040: support usb_request_bootloader 
Signed-off-by: Lasse Dalegaard <dalegaard@gmail.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2021-07-04 11:30:19 -04:00