The SYS_RESETCTL register at
a software reset to be applied to selected system components.
Figure 4.8 shows the register bit assignment.
The function of the register bits are shown in Table 4.11.
|[31:5]||Write ignored, read as zero||−||Undefined|
|||Write only Lockable||APPLYCFGWORD||Updates OSCCLK registers and applies a PORESET.|
|||Write only Lockable||SWRESET||Software equivalent of the PBRESET button.|
|||Write only Lockable||RESETLEVEL||Resets the PB-A8 to the level requested by RESETCTRL.|
|[1:0]||Read/Write Lockable||RESETCTRL||Sets the depth of a software reset
Before you can write to the SYS_RESETCTRL register, you must
unlock it by writing the value
the SYS_LOCK register at
0x10000020. After writing
to the SYS_RESETCTRL register, you should relock it by writing any
value other than
0x0000A05F to the SYS_LOCK register.
See Figure 3.16 for details of the reset entry points.