Samsung S5PC110, Manual

Page: 534 / 2426

S5PC110_UM 1 VECTORED INTERRUPT CONTROLLER
1-27
1.4.1.28 Protection Register
(TZICProtection, R/W, Address=0xF280_0018, 0xF290_0018, 0xF2A0_0018, 0xF2B0_0018)
TZICProtection Bit Description Initial State
- [31:1] Read undefined. Write as 0. 0x0
Protection [0] Enables or disables protected register access:
0 = Disables Protection mode
1 = Enables Protection mode.
If enabled, you can only make privileged mode access
(reads and writes) to the TZIC. This register is accessed in
privileged mode, even if protection mode is disabled.
0x0
1.4.1.29 Lock Enable Register (TZICLock, W, Address=0xF280_001C, 0xF290_001C, 0xF2A0_001C,
0xF2B0_001C)
TZICLock Bit Description Initial State
Lock [31:0] To enable access to the other registers in the TZIC, you
must write the correct access code of 0x0ACCE550 to this
register. To disable access to the other TZIC registers, you
must write any other value except 0x0ACCE550 to this
register.
-
1.4.1.30 Lock Status Register
(TZICLockStatus, R, Address=0xF280_0020, 0xF290_0020, 0xF2A0_0020, 0xF2B0_0020)
TZICLockStatus Bit Description Initial State
- [31:1] Read undefined. 0x0
Locked [0] Shows the locked status of the TZIC:
0 = Access to the TZIC is not locked
1 = Access to the TZIC is locked
Use TZICLock Register to unlock the access
0x1
1.4.1.31 Peripheral Identification Register
(TZICPeriphID0, R, Address=0xF280_0FE0, 0xF290_0FE0, 0xF2A0_0FE0, 0xF2B0_0FE0)
TZICPeriphID0 Bit Description Initial State
- [31:8] Read undefined 0x0
Partnumber0 [7:0] These bits read back as 0x90 0x90