chipflow.packaging.lockfile

Lock file models for pin assignments.

The lock file captures the complete pin allocation for a design, allowing pins to be locked and reused across design iterations.

Classes

Package	Serializable identifier for a defined packaging option.
LockFile	Representation of a pin lock file.

Module Contents

class chipflow.packaging.lockfile.Package(/, **data)

Bases: pydantic.BaseModel

Serializable identifier for a defined packaging option.

Attributes:

package_type – Package type (discriminated union of all PackageDef types)

Parameters:

data (Any)

class chipflow.packaging.lockfile.LockFile(/, **data)

Bases: pydantic.BaseModel

Representation of a pin lock file.

The lock file stores the complete pin allocation for a design, allowing pins to remain consistent across design iterations.

Attributes:

• process – Semiconductor process being used

• package – Information about the physical package

• port_map – Mapping of components to interfaces to ports

• metadata – Amaranth metadata, for reference

Parameters:

data (Any)