Load Partial PDI - 2022.1 English

Versal ACAP System Software Developers Guide (UG1304)

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2022.1 English

The Load Partial PDI CDO command with IPI interface is used to support partial reconfiguration from DDR and flash devices. Partial reconfiguration request comes through IPI command with source field specified as DDR/QSPI/OSPI flashes. The PdiSrc field will have the same values as boot mode values when used as primary boot device.

Table 1. Load Partial PDI Command Structure
Reserved[31:24]=0 Length[23:16]=3 XilLoader=7 CMD_XILLOADER_LOAD_PPDI = 1
PdiSrc – 0x1=QSPI24, 0x2=QSPI32, 0x8=OSPI, 0xF for DDR
High PDI Address
Low PDI Address