Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 250
4.18.3. SMTA Register List
Module Name
Base Address
SMTA
0x01C23400
Register Name
Offset
Description
SMTA_DECPORT0_STA_REG
0x4
SMTA Decode Port0 Status Register
SMTA_DECPORT0_SET_REG
0x8
SMTA Decode Port0 Set Register
SMTA_DECPORT0_CLR_REG
0xC
SMTA Decode Port0 Clear Register
SMTA_DECPORT1_STA_REG
0x10
SMTA Decode Port1 Status Register
SMTA_DECPORT1_SET_REG
0x14
SMTA Decode Port1 Set Register
SMTA_DECPORT1_CLR_REG
0x18
SMTA Decode Port1 Clear Register
SMTA_DECPORT2_STA_REG
0x1C
SMTA Decode Port2 Status Register
SMTA_DECPORT2_SET_REG
0x20
SMTA Decode Port2 Set Register
SMTA_DECPORT2_CLR_REG
0x24
SMTA Decode Port2 Clear Register
4.18.4. SMTA Register Description
4.18.4.1. SMTA DECPORT0 Status Register(Default Value: 0x00000000)
Offset: 0x4
Register Name: SMTA_DECPORT0_STA_REG
Bit
R/W
Default/Hex
Description
31:8
/
/
/
7:0
RO
0x0
STA_DEC_PROT0_OUT.
Show the status of the decode protection output:
0: = Decode region corresponding to the bit is secure
1: = Decode region corresponding to the bit is non-secure.
There is one bit of the register for each protection output (See the SMTA
Configuration Table4-6 in detail).
4.18.4.2. SMTA DECPORT0 Set Register(Default Value: 0x00000000)
Offset: 0x8
Register Name: SMTA_DECPORT0_SET_REG
Bit
R/W
Default/Hex
Description
31:8
/
/
/.
7:0
WO
0x0
SET_DEC_PORT0_OUT.
Sets the corresponding decode protection output:
0: = No effect
1: = Set decode region to non-secure.
There is one bit of the register for each protection output (See the SMTA
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