Pci bridge address translation control register – Digi NS9750 User Manual
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P C I - t o - A H B B r i d g e
PCI Bridge Address Translation Control register
Address: A030 0048
The PCI Bridge Address Translation Control register controls the address translation
process in both direction (AHB-to-PCI and PCI-to-AHB).
Register bit assignment
D25:12
R/W
MALT5VAL
0x0000
Bits [31:18] of AHB address if PCI address matches
BAR5.
D11:00
R/W
MALT4VAL
0x000
Bits [31:20] of AHB address if PCI address matches
BAR4.
Bits
Access
Mnemonic
Reset
Description
D31:02
Hardwired to
0
Reserved
N/A
N/A
D01
R/W
MALT_EN
0
Enable PCI to AHB address translation
0
Do not translate PCI addresses. The same
addresses are used for both PCI and AHB.
1
Translate PCI addresses per the MALTxxVAL
fields in the PCI Bridge PCI-to-AHB Memory
Address Translate registers (see page 439 and
page 440).
Table 278: PCI Bridge Address Translation Control register
Bits
Access
Mnemonic
Reset
Description
Table 277: PCI Bridge PCI-to-AHB Memory Address Translate 1 register
Reserved
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
Reserved
MALT_
EN
PALT_
EN