33.5.1 CMCC Type Register
| Name: | CMCC_TYPE |
| Offset: | 0x00 |
| Reset: | CMCC_TYPE_RESET |
| Property: | Read-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| CLSIZE[2:0] | CSIZE[2:0] | ||||||||
| Access | R | R | R | R | R | R | |||
| Reset | e | s | e | r | _ | e | |||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| LCKDOWN | WAYNUM[1:0] | RRP | LRUP | RANDP | GCLK | AP | |||
| Access | R | R | R | R | R | R | R | R | |
| Reset | p | y | t | _ | c | c | m | c | |
Bits 13:11 – CLSIZE[2:0] Cache Line Size
| Value | Name | Description |
|---|---|---|
| 0 | CLSIZE_1KB | Cache line size is 4 bytes |
| 1 | CLSIZE_2KB | Cache line size is 8 bytes |
| 2 | CLSIZE_4KB | Cache line size is 16 bytes |
| 3 | CLSIZE_8KB | Cache line size is 32 bytes |
Bits 10:8 – CSIZE[2:0] Data Cache Size
| Value | Name | Description |
|---|---|---|
| 0 | CSIZE_1KB | Cache size is 1 Kbyte |
| 1 | CSIZE_2KB | Cache size is 2 Kbytes |
| 2 | CSIZE_4KB | Cache size is 4 Kbytes |
| 3 | CSIZE_8KB | Cache size is 8 Kbytes |
| 4 | CSIZE_16KB | Cache size is 16 Kbytes |
| 5 | CSIZE_32KB | Cache size is 32 Kbytes |
| 6 | CSIZE_64KB | Cache size is 64 Kbytes |
Bit 7 – LCKDOWN Lockdown Supported
| Value | Description |
|---|---|
| 0 | Lockdown is not supported. |
| 1 | Lockdown is supported. |
Bits 6:5 – WAYNUM[1:0] Number of Ways
| Value | Name | Description |
|---|---|---|
| 0 | DMAPPED | Direct Mapped Cache |
| 1 | ARCH2WAY | 2-way set associative |
| 2 | ARCH4WAY | 4-way set associative |
| 3 | ARCH8WAY | 8-way set associative |
Bit 4 – RRP Random Selection Policy Supported
| Value | Description |
|---|---|
| 0 | Random Selection Policy is not supported. |
| 1 | Random Selection Policy is supported. |
Bit 3 – LRUP Least Recently Used Policy Supported
| Value | Description |
|---|---|
| 0 | Least Recently Used Policy is not supported. |
| 1 | Least Recently Used Policy is supported. |
Bit 2 – RANDP Random Selection Policy Supported
| Value | Description |
|---|---|
| 0 | Random victim selection is not supported. |
| 1 | Random victim selection is supported. |
Bit 1 – GCLK Dynamic Clock Gating Supported
| Value | Description |
|---|---|
| 0 | Cache controller does not support clock gating. |
| 1 | Cache controller uses dynamic clock gating. |
Bit 0 – AP Access Port Access Allowed
| Value | Description |
|---|---|
| 0 | Access Port Access is disabled. |
| 1 | Access Port Access is enabled. |