Caches: Difference between revisions
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(→Configured values: Add RAM Latency values) |
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== Configured values == | == Configured values (by NSKBL) == | ||
Tag Latency Control Register is set to <1, 1, 1> (writes 0 to the L2 register), and Tag Latency Control Register to <2, 4, 2> (writes 0x131 to the L2 register). | |||
{| class='wikitable' | {| class='wikitable' | ||
|- | |- | ||
| Line 31: | Line 34: | ||
| 0x104 | | 0x104 | ||
| 0x60090001 | | 0x60090001 | ||
| Auxiliary Control Register | | [[Caches#Auxiliary Control Register|Auxiliary Control Register]] | ||
|- | |- | ||
| 0x108 | | 0x108 | ||
| Line 40: | Line 43: | ||
| 0x00000131 | | 0x00000131 | ||
| Data RAM Latency Control Register | | Data RAM Latency Control Register | ||
|- | |||
| 0xF60 | |||
| 0x20000000 or 0x21000000 | |||
| Prefetch Control Register | |||
|- | |||
| 0xF80 | |||
| 0x00000002 | |||
| Power Control Register | |||
|} | |||
=== Auxiliary Control Register === | |||
{| class='wikitable' | |||
|- | |||
! Bit(s) | |||
! Value | |||
! Field name | |||
! Description | |||
|- | |||
| 0 | |||
| 1 | |||
| Full Line of Zero Enable | |||
| Full line of write zero behavior Enabled | |||
|- | |||
| 16 | |||
| 1 | |||
| Associativity | |||
| 16-way | |||
|- | |||
| 19:17 | |||
| 4 | |||
| Way-size | |||
| 128KB | |||
|- | |||
| 29 | |||
| 1 | |||
| Instruction prefetch enable | |||
| Instruction prefetching enabled | |||
|- | |||
| 30 | |||
| 1 | |||
| Early BRESP enable | |||
| Early BRESP enabled | |||
|} | |} | ||
[[Category:MMIO]] | [[Category:MMIO]] | ||
Latest revision as of 07:38, 13 January 2024
PL310 L2 Cache
The Vita uses the PL310 r3p1-50rel0 L2 cache (Cache ID Register = 0x410000C7) is is mapped to 0x1A002000.
RO Registers values
| Offset | Value | Name |
|---|---|---|
| 0x000 | 0x410000C7 | Cache ID Register |
| 0x004 | 0x1E440440 | Cache Type Register |
Configured values (by NSKBL)
Tag Latency Control Register is set to <1, 1, 1> (writes 0 to the L2 register), and Tag Latency Control Register to <2, 4, 2> (writes 0x131 to the L2 register).
| Offset | Value | Name |
|---|---|---|
| 0x100 | 0x00000001 | Control Register |
| 0x104 | 0x60090001 | Auxiliary Control Register |
| 0x108 | 0x00000000 | Tag RAM Latency Control Register |
| 0x10C | 0x00000131 | Data RAM Latency Control Register |
| 0xF60 | 0x20000000 or 0x21000000 | Prefetch Control Register |
| 0xF80 | 0x00000002 | Power Control Register |
Auxiliary Control Register
| Bit(s) | Value | Field name | Description |
|---|---|---|---|
| 0 | 1 | Full Line of Zero Enable | Full line of write zero behavior Enabled |
| 16 | 1 | Associativity | 16-way |
| 19:17 | 4 | Way-size | 128KB |
| 29 | 1 | Instruction prefetch enable | Instruction prefetching enabled |
| 30 | 1 | Early BRESP enable | Early BRESP enabled |