Intel 81342 Developer's Manual page 291

A d d r e s s T r a n s l a t i o n U n i t ( P C I E x p r e s s ) — I n t e l
E x a m p l e 6 . A T U E a s a n E n d p o i n t a n d A T U X a s a C e n t r a l R e s o u r c e
T h e u s e r w a n t s t o s e t u p t h e A T U E a s a n e n d p o i n t a n d A T U X a s a c e n t r a l r e s o u r c e b y
u s i n g t h e I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w 2 a n d O u t b o u n d A d d r e s s T r a n s l a t i o n
W i n d o w 2 o f t h e A T U s . E a c h A T U w o u l d s u p p o r t a 4 - G B y t e I n b o u n d w i n d o w a n d a 4 -
G B y t e O u t b o u n d w i n d o w . A T U E o u t b o u n d w i n d o w i s p l a c e d i n s e c t i o n 9 a n d t h e A T U X
o u t b o u n d w i n d o w i s p l a c e d i n s e c t i o n 8 o f t h e 6 4 - G B y t e i n t e r n a l a d d r e s s s p a c e .
— E x t e r n a l S t r a p s : I N T E R F A C E _ S E L _ P C I X # = ' 1 ' , P C I E _ R C # = ' 1 ' , a n d P C I X _ E P #
= ' 1 ' . N o t e t h a t s e t t i n g u p I N T E R F A C E _ S E L _ P C I X # t o ' 1 ' c a u s e s t h e A T U E t o b e
f u n c t i o n n u m b e r 0 H a n d t h e A T U X t o b e f u n c t i o n n u m b e r 5 H . T h e f u n c t i o n
n u m b e r m u s t b e c o n s i s t e n t w i t h t h e f u n c t i o n n u m b e r f i e l d p r o g r a m m e d i n t h e
O U M B A R 2 [ 3 0 : 2 8 ] a s t h i s f u n c t i o n n u m b e r i s u s e d t o r e p o r t a n d l o g e r r o r
c o n d i t i o n s .
— I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U E :
0 0 0 0 0 0 0 0 H , I A U T V R 2 = 0 0 0 0 0 0 0 8 H .
— O u t b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U X :
O U M W T V R 2 = 0 0 0 0 0 0 0 0 H
— I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U X :
0 0 0 0 0 0 0 0 H , I A U T V R 2 = 0 0 0 0 0 0 0 9 H .
— O u t b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U E :
O U M W T V R 2 = 0 0 0 0 0 0 0 0 H .
E x a m p l e 7 . A T U E a s a R o o t C o m p l e x a n d A T U X a s a n E n d p o i n t
T h e u s e r w a n t s t o s e t u p t h e A T U E a s r o o t c o m p l e x a n d A T U X a s a n e n d p o i n t b y u s i n g
t h e I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w 2 a n d O u t b o u n d A d d r e s s T r a n s l a t i o n W i n d o w
2 o f t h e A T U s . E a c h A T U w o u l d s u p p o r t a 4 - G B y t e I n b o u n d w i n d o w a n d a 4 - G B y t e
O u t b o u n d w i n d o w . A T U E o u t b o u n d w i n d o w i s p l a c e d i n s e c t i o n 7 a n d t h e A T U X
o u t b o u n d w i n d o w i s p l a c e d i n s e c t i o n 6 o f t h e 6 4 - G B y t e i n t e r n a l a d d r e s s s p a c e .
— E x t e r n a l S t r a p s : I N T E R F A C E _ S E L _ P C I X # = ' 0 ' , P C I E _ R C # = ' 0 ' , a n d P C I X _ E P #
= ' 0 ' . N o t e t h a t s e t t i n g u p I N T E R F A C E _ S E L _ P C I X # t o ' 0 ' c a u s e s t h e A T U X t o b e
f u n c t i o n n u m b e r 0 H a n d t h e A T U E t o b e f u n c t i o n n u m b e r 5 H . T h e f u n c t i o n
n u m b e r m u s t b e c o n s i s t e n t w i t h t h e f u n c t i o n n u m b e r f i e l d p r o g r a m m e d i n t h e
O U M B A R 2 [ 3 0 : 2 8 ] a s t h i s f u n c t i o n n u m b e r i s u s e d t o r e p o r t a n d l o g e r r o r
c o n d i t i o n s .
— I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U E :
0 0 0 0 0 0 0 0 H , I A U T V R 2 = 0 0 0 0 0 0 0 6 H .
— O u t b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U X :
O U M W T V R 2 = 0 0 0 0 0 0 0 0 H
— I n b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U X :
0 0 0 0 0 0 0 0 H , I A U T V R 2 = 0 0 0 0 0 0 0 7 H .
— O u t b o u n d A d d r e s s T r a n s l a t i o n W i n d o w f o r A T U E :
O U M W T V R 2 = 0 0 0 0 0 0 0 0 H .
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S
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8 1 3 4 1 a n d 8 1 3 4 2
I A L R 2 = 0 0 0 0 0 0 0 0 H , I A T V R 2 =
O U M B A R 2 = D 0 0 0 0 0 0 8 H ,
I A L R 2 = 0 0 0 0 0 0 0 0 H , I A T V R 2 =
O U M B A R 2 = 8 0 0 0 0 0 0 9 H ,
I A L R 2 = 0 0 0 0 0 0 0 0 H , I A T V R 2 =
O U M B A R 2 = 8 0 0 0 0 0 0 6 H ,
I A L R 2 = 0 0 0 0 0 0 0 0 H , I A T V R 2 =
O U M B A R 2 = D 0 0 0 0 0 0 7 H ,
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I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
2 9 1