PMC and PS Protection Units
The following table lists the XMPU instances.
| Name | Granularity | Upstream Interface | Downstream Interface | Register Module Address |
|---|---|---|---|---|
| PMC_XMPU | 4 KB | PMC main switch | PMC RAM and SBI |
0xF12F_0000
|
| OCM_XMPU | 4 KB | OCM switch | OCM memory |
0xFF98_0000
|
| FPD_XMPU | 4 KB | FPD main switch | APU GIC, FPD peripherals, and register modules |
0xFD39_0000
|
DDRMC and XRAM Memory Protection Units
The following table lists the XRAM and DDRMC instances of the protection units. The XRAM memory has four XMPUs. Each DDR DRAM memory controller has one XMPU.
| Name | Granularity | Upstream Interfaces | Downstream Interfaces | Programming Interface |
|---|---|---|---|---|
| DDR Memory Controller (one per controller) | ||||
|
DDRMCx_XMPU |
1 MB |
Four-port NoC interface |
DRAM controller |
NPI |
| Accelerator RAM | ||||
|
XRAM_XMPU0 |
4 KB | OCM switch | Accelerator RAM | APB |