The following table shows the SSC_AUXDBGCFG Register bit assignments.
Table 4-17 SSC_AUXDBGCFG Register bit assignments
Bits
Name
Type
Function
[31:2]
-
-
Reserved.
[1:0]
INTERNAL_DEBUG_OVERRIDE
RW
0b00
: Enable Non-secure self-hosted debug.
DBGEN
and
NIDEN
inputs to the application
processors are HIGH.
0b01
: Disable Invasive, Non-secure self-
hosted debug.
Enable Non-invasive, Non-secure self-hosted
debug.
DBGEN
inputs to the application processors
are LOW and
NIDEN
inputs to the
application processors are HIGH.
0b1
: Disable Non-secure self-hosted debug.
DBGEN
and
NIDEN
inputs to the application
processors are LOW.
Reset value
0b00
.
Note
Arm strongly recommends that this register is not used, and that you leave both bits at their reset value.
4.4.6
SSC_GPRETN Register
The SSC_GPRETN Register characteristics are:
Purpose
The SSC_GPRETN register is a secure access read/write memory mapped register that provides
16 bit general storage for security purposes. The register resets only on system powerup reset.
Usage constraints
There are no usage constraints.
Configurations
Available in all N1 board configurations.
Memory offset and full register reset value
See
4.4.1 System Security Control registers summary
The following table shows the SSC_GPRETN Register bit assignments.
Table 4-18 SSC_GPRETN Register bit assignments
Bits
Name
Type
Function
[31:16] -
-
Reserved.
[15:0]
GPRETN
RW
General-purpose register for Secure state
storage.
Reset value
0x0000
.
4 Programmers model
4.4 System Security Control registers
101489_0000_02_en
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