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PCI bus arbiter
442
NS9750 Hardware Reference
CardBus Miscellaneous Support register
Address: A030 004C
The CardBus Miscellaneous Support register is used for CardBus applications only, and
provides NS9750-specific CardBus control and status. (See the NS9750 Sample Driver
Configurations for examples of how this register is used.)
Register Bit Assignment
D00 R/W PALT_EN 0 Enable AHB-to-PCI address translation for both
PCI memory and IO space
0 Do not translate AHB addresses. The same
addresses are used for both PCI and AHB.
1 Translate AHB addresses per the PALTxxVAL
fields in the PCI Bridge AHB-to-PCI Memory
Address Translate registers (see page 437 and
page 438) and the PCI Bridge AHB-to-PCI IO
Address Translate register (see page 439).
Bits Access Mnemonic Reset Description
D31 R/W CMS_YV_SKT 0 Allows software to control the YV_SKT bit in
the CardBus Socket Present State register.
When set, indicates that VCC=Y.Y volts can be
supplied to the socket.
D30 R/W CMS_XV_SKT 0 Allows software to control the XV_SKT bit in
the CardBus Socket Present State register.
When set, indicates that
VCC=X.X volts can
be supplied to the socket.
Table 279: CardBus Miscellaneous Support register
Bits Access Mnemonic Reset Description
Table 278: PCI Bridge Address Translation Control register
REQ_
INTGT_
EN
Reserved
REQ_
INT
GATE
INTER-
RO-
GATE
Rsvd
CCLK
RUN_
EN
CVS2 CVS1
CCLK_
STOP_
NACK
CCLK_
STOP_
ACK
CCD2 CCD1
13121110987654321015
14
CMS_
CCD1
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
CMS_
V3
SKT
CMS_
V5
SKT
CMS_
YV_
CARD
Rsvd
CMS_
XV
CARD
CMS_
V3_
CARD
CMS_
V5
CARD
CMS_
BAD_
VCC
CMS_
DATA_
LOST
CMS_
NOTA_
CARD
CMS_
CB_
CARD
CMS_
CARD_
16
CMS_
PWR_
CYC
CMS_
CCD2
CMS_
YV_
SKT
CMS_
XV_
SKT