From 14331fdae611fcba169552d1d6e29c5015399bf9 Mon Sep 17 00:00:00 2001 From: Marshall Dawson Date: Wed, 26 Sep 2018 16:12:56 -0600 Subject: amd/stoneyridge: Add ASL for D-states on AOAC devices Duplicate ASL from AMD's FchCarrizo.asl (available in NDA PI package) that can put AOAC devices into D0 or D3cold. The argument numbers coincide with the AOAC register offsets for the various devices. SATA, USB, and SD require additional device configuration. Add a placeholder and mark as todo. BUG=b:77602074 Change-Id: I32426f744a5ebbad9e8d3f2f37c4d214ad6dd3d4 Signed-off-by: Marshall Dawson Reviewed-on: https://review.coreboot.org/28769 Reviewed-by: Martin Roth Reviewed-by: Richard Spiegel Tested-by: build bot (Jenkins) --- src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl | 154 +++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) (limited to 'src/soc/amd') diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl index 923c90fc6f..2271d67d00 100644 --- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl +++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl @@ -427,3 +427,157 @@ Field(FCFG, DwordAcc, NoLock, Preserve) FC18, 1, /* Force 1.8v */ } + +/* + * Arg0:device: + * 5=I2C0, 6=I2C1, 7=I2C2, 8=I2C3, 11=UART0, 12=UART1, + * 15=SATA, 18=EHCI, 23=xHCI, 24=SD + * Arg1:D-state + */ +Mutex (FDAS, 0) /* FCH Device AOAC Semophore */ +Method(FDDC, 2, Serialized) +{ + Acquire(FDAS, 0xffff) + + if(LEqual(Arg1, 0)) { + Switch(ToInteger(Arg0)) { + Case(Package() {5, 15, 24}) { + Store(One, PG1A) + } + Case(Package() {6, 7, 8, 11, 12, 18}) { + Store(One, PG2_) + } + } + /* put device into D0 */ + Switch(ToInteger(Arg0)) + { + Case(5) { + Store(0x00, I0TD) + Store(One, I0PD) + Store(I0DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(I0DS, Local0) + } + } + Case(6) { + Store(0x00, I1TD) + Store(One, I1PD) + Store(I1DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(I1DS, Local0) + } + } + Case(7) { + Store(0x00, I2TD) + Store(One, I2PD) + Store(I2DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(I2DS, Local0) + } + } + Case(8) {Store(0x00, I3TD) + Store(One, I3PD) + Store(I3DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(I3DS, Local0) + } + } + Case(11) { + Store(0x00, U0TD) + Store(One, U0PD) + Store(U0DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(U0DS, Local0) + } + } + Case(12) { + Store(0x00, U1TD) + Store(One, U1PD) + Store(U1DS, Local0) + while(LNotEqual(Local0,0x7)) { + Store(U1DS, Local0) + } + } +/* todo Case(15) { STD0()} */ /* SATA */ +/* todo Case(18) { U2D0()} */ /* EHCI */ +/* todo Case(23) { U3D0()} */ /* XHCI */ +/* todo Case(24) { SDD0()} */ /* SD */ + } + } else { + /* put device into D3cold */ + Switch(ToInteger(Arg0)) + { + Case(5) { + Store(Zero, I0PD) + Store(I0DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(I0DS, Local0) + } + Store(0x03, I0TD) + } + Case(6) { + Store(Zero, I1PD) + Store(I1DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(I1DS, Local0) + } + Store(0x03, I1TD) + } + Case(7) { + Store(Zero, I2PD) + Store(I2DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(I2DS, Local0) + } + Store(0x03, I2TD)} + Case(8) { + Store(Zero, I3PD) + Store(I3DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(I3DS, Local0) + } + Store(0x03, I3TD) + } + Case(11) { + Store(Zero, U0PD) + Store(U0DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(U0DS, Local0) + } + Store(0x03, U0TD) + } + Case(12) { + Store(Zero, U1PD) + Store(U1DS, Local0) + while(LNotEqual(Local0,0x0)) { + Store(U1DS, Local0) + } + Store(0x03, U1TD) + } +/* todo Case(15) { STD3()} */ /* SATA */ +/* todo Case(18) { U2D3()} */ /* EHCI */ +/* todo Case(23) { U3D3()} */ /* XHCI */ +/* todo Case(24) { SDD3()} */ /* SD */ + } + /* Turn off Power */ + if(LEqual(I0TD, 3)) { + if(LEqual(SATD, 3)) { + if(LEqual(SDTD, 3)) { Store(Zero, PG1A) } + } + } + if(LEqual(I1TD, 3)) { + if(LEqual(I2TD, 3)) { + if(LEqual(I3TD, 3)) { + if(LEqual(U0TD, 3)) { + if(LEqual(U1TD, 3)) { + if(LEqual(U2TD, 3)) { + Store(Zero, PG2_) + } + } + } + } + } + } + } + Release(FDAS) +} -- cgit v1.2.3