Samsung S3C2501X User Manual page 199

SYSTEM CONFIGURATION
The following is the problem solving with software.
HPRIR Channel
0 GDMA
0 Ethernet
controller 0
0 Ethernet
controller 1
0
0
0
Writing "0x000330", instead of "0x0" will give each channel of three masters with the same amount of bus
occupancy. This is because GDMA is run to fill the blank of reserved masters.
4-8
Expected
Bus System Bus
Occupancy Occupancy
1/3
1/3
1/3
0
0
0
Problem
Real HPRIR
4/6
1/6
⇒
1/6
0
0
0
Channel
0 GDMA
3 Ethernet
controller 0
3 Ethernet
controller 1
0
0
0
Problem Solving
S3C2501X
Occupancy
1/3
1/3
1/3
0
0
0