EasyManuals Logo

IBM PowerPC 405GP User Manual

IBM PowerPC 405GP
668 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #160 background imageLoading...
Page #160 background image
OCMO_DSARC must be initialized before OCMO_DSCNTL[DSEN] is set to 1 to enable data-side
OCM accesses. See "OCM Initialization" on page 8-13 for details.
OSAR
~
1
0
51
6
Figure 5-4. OCM Data-Side Address Range Compare Register (OCMO_DSARC)
DSAR Data-side OCM address range
Reserved
5.4.4
OCM
Data-Side Control Register (OCMO_DSCNTL)
OCMO_DSCNTL enables and disables data-side OCM access.
OCMO_DSCNTL[DSEN] enables the OCM controller to respond to requests for data loads and stores
within the data-side
OCM address range defined by OCMO_DSARC[DSAR]. At reset,
OCMO_DSCNTL[DSEN] =
0;
data-side OCM is not enabled. If data-side OCM is to be accessed, this
field must be set to 1 during chip initialization, as described
in
"OCM Initialization" on page 8-13.
The reset value of the
DOF field is
1.
This field should always remain set to 1 when writing
OCMO_DSCNTL.
OS
EN
+
t
OOF
Figure 5-5. OCM Data-Side Control Register (OCMO_DSCNTL)
0
DSEN Data-Side OCM Enable
o Data-side OCM accesses are disabled.
1 Data-side
OCM accesses are enabled.
1
DOF This field should remain set to
1.
2:31
Reserved
Preliminary
On-Chip Memory
3
1
1
5-7

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the IBM PowerPC 405GP and is the answer not in the manual?

IBM PowerPC 405GP Specifications

General IconGeneral
BrandIBM
ModelPowerPC 405GP
CategoryComputer Hardware
LanguageEnglish

Related product manuals