Add OTA support for rp2350#3027
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RP2350 has different memory range to bypass translation and caching DMA streaming doesn't appear to work. Is there any benefit to that over straight memcpy?
Accommodate RP2350 address translation
Use base definitions and functions from `pico_partition.h`
`explicit_buy()` failing with -4 PICO_ERROR_NOT_PERMITTED...
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This PR adds support for the rp2350 to enable booting different application images.
A special Pico-style partition table can be located in the first flash sector.
This is written after the standard ESP-style binary partition table, and contains only
basic application partition information.
Setting
partition_table_offset=0and movingrom0offset to 0x1000 (or any other location) is sufficient.For OTA, two application partitions of subtype
ota_0andota_1are required.The boot ROM sees these as partition 0 and 1 respectively.
The
Basic_Otaapplication now works for rp2350.A
PicoPartsample application is also included which demonstrates reading pico-style partition table information from within applications.