Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 User Manual
Page 183
8−3
Table 8−1. OHCI Register Map (Continued)
DMA CONTEXT
REGISTER NAME
ABBREVIATION
OFFSET
Asynchronous context control
ContextControlSet
180h
Asynchronous
Asynchronous context control
ContextControlClear
184h
Asynchronous
Request Transmit
Reserved
—
188h
Request Transmit
[ ATRQ ]
Asynchronous context command pointer
CommandPtr
18Ch
[ ATRQ ]
Reserved
—
190h−19Ch
Asynchronous context control
ContextControlSet
1A0h
Asynchronous
Asynchronous context control
ContextControlClear
1A4h
Asynchronous
Response Transmit
Reserved
—
1A8h
Response Transmit
[ ATRS ]
Asynchronous context command pointer
CommandPtr
1ACh
[ ATRS ]
Reserved
—
1B0h−1BCh
Asynchronous context control
ContextControlSet
1C0h
Asynchronous
Asynchronous context control
ContextControlClear
1C4h
Asynchronous
Request Receive
Reserved
—
1C8h
Request Receive
[ ARRQ ]
Asynchronous context command pointer
CommandPtr
1CCh
[ ARRQ ]
Reserved
—
1D0h−1DCh
Asynchronous context control
ContextControlSet
1E0h
Asynchronous
Asynchronous context control
ContextControlClear
1E4h
Asynchronous
Response Receive
Reserved
—
1E8h
Response Receive
[ ARRS ]
Asynchronous context command pointer
CommandPtr
1ECh
[ ARRS ]
Reserved
—
1F0h−1FCh
Isochronous transmit context control
ContextControlSet
200h + 16*n
Isochronous
Isochronous transmit context control
ContextControlClear
204h + 16*n
Isochronous
Transmit Context n
Reserved
—
208h + 16*n
Transmit Context n
n = 0, 1, 2, 3,
…
, 7
Isochronous transmit context command
pointer
CommandPtr
20Ch + 16*n
Reserved
—
210h−3FCh
Isochronous receive context control
ContextControlSet
400h + 32*n
Isochronous
Isochronous receive context control
ContextControlClear
404h + 32*n
Isochronous
Receive Context n
Reserved
—
408h + 32*n
Receive Context n
n = 0, 1, 2, 3
Isochronous receive context command
pointer
CommandPtr
40Ch + 32*n
Isochronous receive context match
ContextMatch
410h + 32*n