Samsung S5PC100 User Manual page 339

S5PC100 USER'S MANUAL (REV1.0)
4.2 SECURE RAM REGION SIZE REGISTER
•
TZPCR0SIZE(TZPC0), RW, Address = 0xE380_0000
TZPCR0SIZE
Reserved
R0Size
4.3 DECODE PROTECTION 0-3 STATUS REGISTERS
•
TZPCDECPROTxSTAT(TZPC0), R, Address = 0xE380_0800, 0xE380_080C
•
TZPCDECPROTxSTAT(TZPC1), R, Address = 0xE280_0800, 0xE280_080C, 0xE280_0818
•
TZPCDECPROTxSTAT(TZPC2), R, Address = 0xE290_0800, 0xE290_080C
TXPCDECPROTxStat
Reserved
DECPROTxStat
Bit
[31:10] Read undefined. Write as zero.
Secure RAM region size in 4KB steps.
0x00000000 = no secure region
0x00000001 = 4KB secure region
0x00000002 = 8KB secure region
[9:0]
...
0x000001FF = 2044KB secure region
0x00000200 or above sets the entire RAM to secure
regardless of size
Bit
[31:8] Read undefined.
Show the status of the decode protection output:
0 = Decode region corresponding to the bit is secure
[7:0] 1 = Decode region corresponding to the bit is non-secure
There is one bit of the register for each protection output,
eight outputs are implemented as standard.
Description
Description
ACCESS CONTROLLER (TZPC)
Reset Value
0
0x3FF
Reset Value
0
0x000
3.3-7