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Use the SDK XIP cache clean method#7

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MichaelBell wants to merge 17 commits intopimoroni:feature/psrampimoroni/micropython:feature/psramfrom MichaelBell:patch-psram-cache-cleanMichaelBell/micropython:patch-psram-cache-cleanCopy head branch name to clipboard

+692-6

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Commits on Oct 21, 2024

• ports/rp2: PSRAM support.

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• ports/rp2: PSRAM: Fix RP2040/Pico build.

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  Gadgetoid

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• ports/rp2: Re-init PSRAM on CPU freq change.

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• ports/rp2: Make split-heap optional.

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• ports/rp2: Compute QMI timing based on system clock.

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  MichaelBell

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• ports/rp2: Fix garbage collection with large heap.

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  MichaelBell

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• ports/rp2: Remove flash timing control from PSRAM.

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  MichaelBell

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• ports/rp2: Set flash divisor appropriately.

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  MichaelBell

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• ports/rp2: Reset flash timing before PSRAM timing.

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  MichaelBell

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Commits on Oct 23, 2024

• ports/rp2: Move PSRAM init earlier in startup.

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Commits on Oct 24, 2024

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

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  MichaelBell

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Commits on Nov 5, 2024

• ports/rp2: Better fix to cache cleaning.

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  MichaelBell

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• ports/rp2: Further PSRAM setup tweaks.

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  MichaelBell

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Commits on Dec 5, 2024

• ports/rp2: Enable split heap by default.

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• ports/rp2: Raise GC stack size for PSRAM.

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Commits on Dec 6, 2024

• ports/rp2: PSRAM linker script.

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  MichaelBell

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• ports/rp2: Use cache clean from pico-sdk.

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  MichaelBell

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