Power, Reset, and Clock Management
8.1.13.5.1 PRM_RSTCTRL Register (offset = 0h) [reset = 0h]
PRM_RSTCTRL is shown in
and described in
Global software cold and warm reset control. This register is auto-cleared. Only write 1 is possible. A read
returns 0 only.
Figure 8-179. PRM_RSTCTRL Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
RST_GLOBAL_COLD RST_GLOBAL_WAR
_SW
M_SW
R-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-198. PRM_RSTCTRL Register Field Descriptions
Bit
Field
Type
Reset
Description
31-2
Reserved
R
0h
1
RST_GLOBAL_COLD_S
R/W
0h
Global COLD software reset control.
W
This bit is reset only upon a global cold source of reset.
Read returns 0.
0x0 = 0x0 : Global COLD software reset is cleared.
0x1 = 0x1 : Asserts a global COLD software reset. The software
must ensure the SDRAM is properly put in sef-refresh mode before
applying this reset.
0
RST_GLOBAL_WARM_S
R/W
0h
Global WARM software reset control.
W
This bit is reset upon any global source of reset (warm and cold).
Read returns 0.
0x0 = 0x0 : Global warm software reset is cleared.
0x1 = 0x1 : Asserts a global warm software reset.
726
Power, Reset, and Clock Management (PRCM)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated