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css600_apbrom module is a ROM Table with an APB4 slave interface.
css600_apbrom_gpr is a ROM
Table that includes the Granular Power Requestor (GPR)
css600_apbrom_gpr support up to 511 32-bit component entries,
which are set by configuration parameters. The
css600_apbrom_gpr support dynamic
control of the ROM Table IDs and, optionally the
presence of each entry, using configuration input signals. These features make the
ROM Table suitable for use in configurable and
css600_apbrom_gpr version adds the capability to request power or reset
to individual components or parts of a system through a power or reset controller
that is implemented outside the CoreSight
subsystem. Power request interface numbers are normally aligned to power domain IDs
configured into the ROM Table.
The GPR configuration provides the following additional features:
The following figure shows the external connections on the APB ROM table.
The following figure shows the external connections on the APB ROM table with GPR.