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soc/intel/tigerlake: Fixes for TCSS D3

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Change-Id: Ibbf6b5e0bf627536d10c8dee2f632e66da427151
This commit is contained in:
Jeremy Soller 2020-12-29 11:19:11 -07:00 committed by Jeremy Soller
parent d695a261af
commit 999277b67b
3 changed files with 20 additions and 38 deletions
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16
src/soc/intel/tigerlake/acpi/tcss.asl
View File

@ -354,12 +354,6 @@ Scope (\_SB.PCI0)
Offset(0x10),
RBAR, 64 /* RegBar, offset 0x7110 in MCHBAR */
}
Field (MBAR, DWordAcc, NoLock, Preserve)
{
Offset(0x304), /* PRIMDN_MASK1_0_0_0_MCHBAR_IMPH, offset 0x7404 */
, 31,
TCD3, 1 /* [31:31] TCSS IN D3 bit */
}
/*
* Operation region defined to access the pCode mailbox interface. Get the MCHBAR
@ -689,11 +683,6 @@ Scope (\_SB.PCI0)
}
Else
{
/*
* Program IOP MCTP Drop (TCSS_IN_D3) after D3 cold exit and
* acknowledgement by IOM.
*/
TCD3 = 0
/*
* If the TCSS Deven is cleared by BIOS Mailbox request, then
* restore to previously saved value of TCSS DEVNE.
@ -741,11 +730,6 @@ Scope (\_SB.PCI0)
}
}
/*
* Program IOM MCTP Drop (TCSS_IN_D3) in D3Cold entry before entering D3 cold.
*/
TCD3 = 1
/* Request IOM for D3 cold entry sequence. */
TD3C = 1
}

30
src/soc/intel/tigerlake/acpi/tcss_dma.asl
View File

@ -32,12 +32,20 @@ Method (_S0W, 0x0)
Method (_PR0)
{
Return (Package() { \_SB.PCI0.D3C })
If (DUID == 0) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
Method (_PR3)
{
Return (Package() { \_SB.PCI0.D3C })
If (DUID == 0) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
/*
@ -64,24 +72,6 @@ Method (D3CE, 0, Serialized)
*/
Name (SD3C, 0)
Method (_PS0, 0, Serialized)
{
If (DUID == 0) {
\_SB.PCI0.TBT0._ON()
} Else {
\_SB.PCI0.TBT1._ON()
}
}
Method (_PS3, 0, Serialized)
{
If (DUID == 0) {
\_SB.PCI0.TBT0._OFF()
} Else {
\_SB.PCI0.TBT1._OFF()
}
}
Method (_DSW, 3)
{
/* If entering Sx (Arg1 > 1), need to skip TCSS D3Cold & TBT RTD3/D3Cold. */

12
src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
View File

@ -227,12 +227,20 @@ Method (_S0W, 0x0, NotSerialized)
Method (_PR0)
{
Return (Package() { \_SB.PCI0.D3C })
If ((TUID == 0) || (TUID == 1)) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
Method (_PR3)
{
Return (Package() { \_SB.PCI0.D3C })
If ((TUID == 0) || (TUID == 1)) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
/*