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author | Patricio Whittingslow <[email protected]> | 2024-12-18 15:36:30 -0300 |
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committer | GitHub <[email protected]> | 2024-12-18 19:36:30 +0100 |
commit | 37f35f8c910b05e2040433448546f41b34535b32 (patch) | |
tree | 32bdf01b1c2b8d75e9a7f1a24e5c62be9d432ce0 /src/machine/machine_rp2_resets.go | |
parent | 0d13e61d0cbe7aa82678a6dec7dda0115db82397 (diff) | |
download | tinygo-37f35f8c910b05e2040433448546f41b34535b32.tar.gz tinygo-37f35f8c910b05e2040433448546f41b34535b32.zip |
Add RP2350 support (#4459)
machine/rp2350: add support
* add linker scripts for rp2350
* add bootloader
* begin melding rp2040 and rp2350 APIs
* add UART
* add rp2350 boot patching
* Fix RP2350 memory layout (#4626)
* Remove rp2040-style second stage bootloader.
* Add 'minimum viable' IMAGE_DEF embedded block
* Create a pico2 specific target
* Implement rp2350 init, clock, and uart support
* Merge rp2 reset code back together
* Separate chip-specific clock definitions
* Clear pad isolation bit on rp2350
* Init UART in rp2350 runtime
* Correct usb/serial initialization order
* Implement jump-to-bootloader
* test: add pico2 to smoketests
---------
Signed-off-by: deadprogram <[email protected]>
Co-authored-by: Matthew Mets <[email protected]>
Co-authored-by: Matt Mets <[email protected]>
Co-authored-by: deadprogram <[email protected]>
Diffstat (limited to 'src/machine/machine_rp2_resets.go')
-rw-r--r-- | src/machine/machine_rp2_resets.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/machine/machine_rp2_resets.go b/src/machine/machine_rp2_resets.go new file mode 100644 index 000000000..245436c47 --- /dev/null +++ b/src/machine/machine_rp2_resets.go @@ -0,0 +1,31 @@ +//go:build rp2040 || rp2350 + +package machine + +import ( + "device/rp" + "unsafe" +) + +var resets = (*rp.RESETS_Type)(unsafe.Pointer(rp.RESETS)) + +// resetBlock resets hardware blocks specified +// by the bit pattern in bits. +func resetBlock(bits uint32) { + resets.RESET.SetBits(bits) +} + +// unresetBlock brings hardware blocks specified by the +// bit pattern in bits out of reset. +func unresetBlock(bits uint32) { + resets.RESET.ClearBits(bits) +} + +// unresetBlockWait brings specified hardware blocks +// specified by the bit pattern in bits +// out of reset and wait for completion. +func unresetBlockWait(bits uint32) { + unresetBlock(bits) + for !resets.RESET_DONE.HasBits(bits) { + } +} |