Registers
| NAME
|
PHYSICAL ADDRESS
|
WIDTH
|
| REG_CTRCARDCNT
|
0x10004000
|
4
|
| REG_CTRCARDBLKCNT
|
0x10004004
|
4
|
| REG_CTRCARDSECCNT
|
0x10004008
|
4
|
| REG_CTRCARDSECSEED
|
0x10004010
|
4
|
| REG_CTRCARDCMD
|
0x10004020
|
16
|
| REG_CTRCARDFIFO
|
0x10004030
|
4
|
REG_CTRCARDCNT
| BIT
|
DESCRIPTION
|
| 3-0
|
?
|
| 4
|
CRC status (1=Error, 0=OK)?
|
| 15-5
|
?
|
| 19-16
|
Transfer size (0=0 bytes, 1=4 bytes, 2=0x10 bytes, ...)
|
| 23-20
|
?
|
| 26-24
|
Clock delay (0..5)
|
| 27
|
Data ready (1=Ready, 0=Busy)
|
| 28
|
Reset (1=High, 0=Low)
|
| 29
|
Transfer mode (1=Write, 0=Read)
|
| 30
|
Interrupt enable (1=Enable, 0=Disable)
|
| 31
|
Start (1=Busy, 0=Idle)
|
Once reset is set high, it cannot be changed until controller is reset.
REG_CTRCARDBLKCNT
| BIT
|
DESCRIPTION
|
| 15-0
|
Total data blocks to transfer - 1
|
| 31-16
|
Unused
|
REG_CTRCARDSECCNT
| BIT
|
DESCRIPTION
|
| 2
|
Latch key index
|
| 9-8
|
Key index
|
| 15
|
Latch seed
|
REG_CTRCARDCMD
Specifies the 16-byte command to send. The command is split into 32-bit words, and stored as least significant word first, with each word itself in big-endian format.