>Everything is quite okay, except this BAR thingy.
>Can you provide a DSDT excerpt for the device to see what is there?
>I can't find such device (by ACPI id) in the tables of the accessible hardware in our lab.
Please check below acpi device definition from BIOS.
Punit device is created in pmc driver, since BIOS finally reject to create a separate device for Punit.
Scope (\_SB) {
Device(IPC1)
{
…
Name (RBUF, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, 0x00000000, 0x00001000, BAR0) // IPC1 Bar
// Memory32Fixed (ReadWrite, 0x00000000, 0x00001000, BAR1) // SSRAM
Memory32Fixed (ReadWrite, 0x00000000, 0x00001000, MDAT) // PUnit BIOS mailbox Data
Memory32Fixed (ReadWrite, 0x00000000, 0x00001000, MINF) // PUnit BIOS mailbox Interface and GTD/ISPD mailbox
IO (Decode16, 0x400, 0x480, 0x4, 0x80) // ACPI IO Base address
Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive, , , ) {40} // IPC1 IRQ
})
…
}
}//end scope
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