Public Version
www.ti.com
SDMA Register Manual
Bits
Field Name
Description
Type
Reset
31:1
RESERVED
Reserved for module-specific status information
RW
0x00000000
0
RESETDONE
Internal reset monitoring
R
1
0x0: Internal module reset is on-going
0x1: Reset completed
Table 11-23. Register Call Summary for Register DMA4_SYSSTATUS
SDMA Register Manual
•
:
Table 11-24. DMA4_OCP_SYSCONFIG
Address Offset
0x0000 002C
Physical Address
0x4805 602C
Instance
SDMA
Description
This register controls the various parameters of the OCP interface
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
EMUFREE
AUTOIDLE
RESERVED
RESERVED
RESERVED
SIDLEMODE
SOFTRESET
MIDLEMODE
CLOCKACTIVITY
Bits
Field Name
Description
Type
Reset
31:14
RESERVED
Write 0s for future compatibility, Reads return 0
RW
0x00000
13:12
MIDLEMODE
Read write power management, standby/wait control
RW
0x0
0x0: Force-standby: MStandby is asserted only when all
the DMA channels are disabled
0x1: No-Standby: MStandby is never asserted
0x2: Smart-Standby: MStandby is asserted if at least one
of the following two conditions is satisfied:
1. All the channels are disabled, OR
2. There is no non-synchronized channel enabled AND [if
hardware synchronized channel is enabled, then no DMA
request input is asserted and no requests are pending to
be serviced].
0x3: reserved for second smart-standby mode if needed
11:10
RESERVED
Reserved for clocks activities extension
RW
0x0
9:8
CLOCKACTIVITY
Clocks activities during wake-up
R
0x0
Bit 8: OCP interface clock
0x0: OCP clock can be switched-off
Bit 9: Functional clock
0x0: Functional clock can be switched-off
7:6
RESERVED
Reserved. Write 0s for future compatibility. Read returns
RW
0x0
0.
5
EMUFREE
Enable sensitivity to MSuspend
RW
0x0
0x0: DMA4 freezes its internal logic upon MSuspend
assertion
0x1: DMA4 ignores the MSuspend input
2377
SWPU177N – December 2009 – Revised November 2010
SDMA
Copyright © 2009–2010, Texas Instruments Incorporated