Use the SDK XIP cache clean method#7

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MichaelBell wants to merge 17 commits intopimoroni:feature/psramfrom

MichaelBell:patch-psram-cache-clean

Commits on Oct 21, 2024

ports/rp2: PSRAM support.

committed
ports/rp2: PSRAM: Fix RP2040/Pico build.
Gadgetoid
committed
ports/rp2: Re-init PSRAM on CPU freq change.
Gadgetoid
committed
ports/rp2: Make split-heap optional.
Gadgetoid
committed
ports/rp2: Compute QMI timing based on system clock.

MichaelBell
authored and
Gadgetoid
committed
ports/rp2: Fix garbage collection with large heap.

MichaelBell
authored and
Gadgetoid
committed
ports/rp2: Remove flash timing control from PSRAM.

MichaelBell
authored and
Gadgetoid
committed
ports/rp2: Set flash divisor appropriately.

MichaelBell
authored and
Gadgetoid
committed
ports/rp2: Reset flash timing before PSRAM timing.

MichaelBell
authored and
Gadgetoid
committed

Commits on Oct 23, 2024

ports/rp2: Move PSRAM init earlier in startup.
Gadgetoid
committed

Commits on Oct 24, 2024

ports/rp2: Invalidate cache after clean to prevent hangs.

MichaelBell
authored and
Gadgetoid
committed

Commits on Nov 5, 2024

ports/rp2: Better fix to cache cleaning.

MichaelBell
authored and
Gadgetoid
committed
ports/rp2: Further PSRAM setup tweaks.

MichaelBell
authored and
Gadgetoid
committed

Commits on Dec 5, 2024

Commits on Dec 6, 2024