Register Reference and Address Map

The IPI address space is protected by the LPD_XPPU. Apertures 048 through 063 are used to validate software accesses to the IPI address space.

Table 1. IPI Address Map
Offset Address Range	Register Table	Protection	Notes
Control and Configuration Registers
`0x30_0000`	IPI Registers	LPD_XPPU and LOCK register
Interrupt Registers: Trigger, status, observation, and mask
`0x31_0000` `0x32_0000` etc.			Only the first 32 bytes of address space are used
`0x3C_0000`	Reserved
Message Buffers: Request and response
`0x3F_0000`	Message Buffer	IPI	32-byte request and 32-byte response buffers

Register Reference and Address Map - AM011