LSI Logic Confidential
Chip Select Configuration Registers
10-13
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
•
1101 - Region is 64M
•
1110 - Region is 64M
•
1111 - Region is 64M
Note:
Regarding Default value: Personality-Independent register
CS0, the Size bit is reset to 1111; for the rest of these
registers, however, the Size bit is reset to 0.
R
5
Read-only. If set, writes to this chip-select region cause a
host error interrupt, with status set in the Host Timeout
register. Reset to zero.
S
4
Supervisor-only. If set, SPARC accesses to this chip-
select region from user mode causes a host error inter-
rupt, with status set in the Host Timeout register. Reset
to zero.
Type
[3:0]
Personality module for this chip-select. In DoMiNo, the
value is always zero which is the suggested ID of the
async master module.
Note:
When a master range address with no M_CS pin selected
occurs on a SPARC read, the cycle is aborted and a data
access exception trap is induced in the respective SPARC.
When a master range address with no M_CS pin selected
occurs on a SPARC write the cycle is aborted and a host
error interrupt is generated.
When a master address with no M_CS pin selected occurs
on an async master DMA cycle, the entire transfer is
aborted and the GO bit is cleared.
The personality-dependent register is shown below:
Содержание DMN-8600
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