Samsung S3C2500B User Manual page 220

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 non-used masters, (in this case, HDLC0, HDLC1,
HDLC2)
4-8
Expected
Bus System Bus
Occupancy Occupancy
1/3
1/3
1/3
0
0
0
Problem
Real
4/6
1/6
⇒
1/6
0
0
0
HPRIR Channel
0 GDMA
3 Ethernet
controller 0
3 Ethernet
controller 1
0
0
0
Problem Solving
S3C2500B
Occupancy
1/3
1/3
1/3
0
0
0