Z2_Csmcr Register Field Descriptions - Texas Instruments Concerto F28M36 Series Technical Reference Manual

System Control Registers
Bit Field
31-16 Reserved
15 FORCESEC
14-13 Reserved
12 ECSL-ARMED
11 CSM-ARMED
10 ECSL-MATCH
9 CSM-MATCH
8 ECSL-ALLONE
7 CSM-ALLONE
6 ECSL-ALLZERO
5 CSM-ALLZERO
4-0 Reserved
260
System Control and Interrupts
Table 1-156. Z2_CSMCR Register Field Descriptions
Value Description
Reserved
0 Reads always return 0 (Self clear bit). Clears the KEY registers and makes M3 zone2 secure. The
password match flow described in
1 Writing a 1 to this bit clears all the KEY (CSM & ECSL both) registers for M3 zone2 and makes
zone2 secure if CSMPSWD are not all 1's.
Reserved
0 Dummy read to M3-Zone2 ECSL PWL (Password locations) have not been performed.
1 Dummy read to M3-Zone2 ECSL PWL (Password locations) have been performed.
0 Dummy read to M3-Zone2 CSM PWL (Password locations) have not been performed.
1 Dummy read to M3-Zone2 CSM PWL (Password locations) have been performed.
Status bit indicate if ECSL is enabled or disabled for M3 zone2. . This is valid only when
ECSL_ARMED = 1.
0 M3 Zone2 ECSL is disabled
1 M3 Zone2 ECSL is enabled
Status bit that reflects the security state of Zone2. This is valid only when CSM_ARMED = 1.
0 M3 Zone2 is secure if CSM-ALLONE is 0
1 M3 Zone2 is non-secure if CSM-ALLZERO is 0.
Shows the state of ECSL Password programmed in Flash. This is valid only when ECSL_ARMED =
1.
0 ECSL Password of M3 Zone2 does not contain all 1's
1 ECSL Password of M3 Zone2 contains all 1's
Shows the state of CSM Password programmed in Flash. This is valid only when CSM_ARMED =
1.
0 CSM Passwords of M3 Zone2 does not contain all 1's
1 CSM Passwords of M3 Zone2 contains all 1's
Shows the state of ECSL Password programmed in Flash. This is valid only when ECSL_ARMED =
1.
0 ECSL Password of M3 Zone2 does not contain all 0's
1 ECSL Password of M3 Zone2 contains all 0's
Shows the state of CSM Password programmed in Flash. This is valid only when CSM_ARMED =
1.
0 CSM Passwords of M3 Zone2 does not contain all 0's
1 CSM Passwords of M3 Zone2 contains all 0's
Reserved
Copyright © 2012–2019, Texas Instruments Incorporated
Section 1.10.3.2 must be followed to unsecure the zone2 again.
SPRUHE8E – October 2012 – Revised November 2019
www.ti.com
Submit Documentation Feedback