A Layered Verification Approach Applied to an AMBA-Based System

phoenixfeng

It’s common knowledge that the verification
( {9 x, N5 q  Nstage for a given system is
around 70% of the overall design
effort and schedule time. Reducing
overall time spent in test creation and
design verification is a high priority.
$ G0 U) p8 @9 ?Success in these two areas increases
productivity and helps deliver products
to market faster. To achieve these verification
1 b1 G7 N. ^7 C' D9 Q) Cgoals, engineers are constantly
/ k/ k2 Y: Z3 ?. xlooking for new and innovative ways to
conquer the verification challenges that
face them.
This article discusses a layered verification
approach as applied to an AMBAbased
" F* ?: K  v" [8 Ksystem component. The layered
approach is used to create a standardized
' P. a# C7 V. a1 _verification environment that can
* D9 L" X; E* Eadapt as the design challenges
increase. Typically, reuse is very high
8 r  H+ ]/ a9 M0 _within an AMBA-based system because
, ]' Y( L# o5 f3 y$ ]many new designs are based on earlier
- _7 q% z$ c% Q  Z& Tversions of the standard system. The
example shows the layered approach
being applied to verify an individual
block as well as its integration into the
subsystem and final system representation.

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