A Layered Verification Approach Applied to an AMBA-Based System

phoenixfeng

It’s common knowledge that the verification
stage for a given system is
3 @( C/ n* y! m& F. laround 70% of the overall design
9 }9 H. B: a( b3 g2 ^effort and schedule time. Reducing
, }& ^. u3 f, Ioverall time spent in test creation and
design verification is a high priority.
0 c) e/ s6 @7 Z+ Q( ~7 A  N, z# |Success in these two areas increases
productivity and helps deliver products
# C) _* z+ D1 ]; i4 j+ \to market faster. To achieve these verification
goals, engineers are constantly
! G& l" L% S' t5 `8 F" I2 C- Nlooking for new and innovative ways to
1 h2 |# ], M. Vconquer the verification challenges that
face them.
% ]: I/ e3 d* m9 w) r2 m1 JThis article discusses a layered verification
approach as applied to an AMBAbased
5 a$ }: z" E! ?. i: wsystem component. The layered
approach is used to create a standardized
( [+ l; h3 V6 S) Gverification environment that can
adapt as the design challenges
: d4 {  ?% t0 v# q, W7 T0 Bincrease. Typically, reuse is very high
( x$ a4 G! h; u# j" Z% M1 B6 hwithin an AMBA-based system because
8 c; w# ^# |% d! _. `* P- ]8 Smany new designs are based on earlier
versions of the standard system. The
3 w" h9 O1 `/ i. D% {example shows the layered approach
+ ]8 Y+ l0 J* a# H  Z: Pbeing applied to verify an individual
, i3 O5 p" j* d& Z* z7 v$ ~; nblock as well as its integration into the
$ j) ?5 u, m1 X9 ?& j+ c+ Qsubsystem and final system representation.

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