ADSP-219x/2192 DSP Hardware Reference B-53
ADSP-2192 DSP Peripheral Registers
PCI Control (PCI_CFGCTL) Register
L
All bits in this register reset to 0.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Re
se
rv
ed
TA
b
o
rt
I
E
N
MA
bor
t IE
N
AC
’97 IEN
G
P
IO INE
Re
se
rv
ed
Re
se
rv
ed
D2P
M1 IENE
D2P
M0 IEN
P
2DM1 IEN
P
2DM0 IEN
Re
se
rv
ed
C
o
nf Rdy
P
C
IF1
P
C
IF0
Table B-24. PCI_CFGCTL Register Bit Descriptions
Bit
position
Bit name
Description
1-0
PCIF[1:0]
PCI Functions Configured.
00 = One PCI Function enabled
01= Two functions
10= Three functions
2
Conf Rdy
Configuration Ready.
When 0, disables PCI accesses to the ADSP-2192 (terminated
with Retry). Must be set to 1 by DSP ROM code after initializing
configuration space.
Once 1, cannot be written to 0.
4:3
Reserved
5
P2DM0 IEN
PCI to DSP Mailbox 0 Transfer Interrupt Enabled.
6
P2DM1 IEN
PCI to DSP Mailbox 1 Transfer Interrupt Enabled.
7
D2PM0 IEN
DSP to PCI Mailbox 0 Transfer Interrupt Enabled.
8
D2PM1 IEN
DSP to PCI Mailbox 1 Transfer Interrupt Enabled.