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| author | Kangheui Won <khwon@chromium.org> | 2020-08-06 19:03:23 +1000 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2020-08-11 23:16:42 +0000 |
| commit | 7fe005ff30177db96d2ad31742404ac91330700e (patch) | |
| tree | 482acf407371bf0655531f2d8a397b045c4357da /src/soc/amd/picasso | |
| parent | 108570654ed2b8a585414d70003e634d9667220b (diff) | |
| download | coreboot-7fe005ff30177db96d2ad31742404ac91330700e.tar.xz | |
amd/picasso/acpi: Add power resources for UART0
Follow-up for a31a769 -
"amd/picasso/acpi: Add power resources for I2C and UART".
Now PSP properly handles UART0 D3, we can shutdown UART0.
BUG=b:158772504
TEST=suspend_stress_test for 50 cycles,
* echo 1 > /sys/module/acpi/parameters/aml_debug_output
* dmesg | grep FUR to check on&off for FUR0
[ 2413.647500] ACPI Debug: "AOAC.FUR0._OFF"
[ 2413.736265] ACPI Debug: "AOAC.FUR0._ON"
Change-Id: I25457e18b69d28a83e42c2fe02b45a3979ad58cd
Signed-off-by: Kangheui Won <khwon@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44266
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/amd/picasso')
| -rw-r--r-- | src/soc/amd/picasso/acpi/aoac.asl | 1 | ||||
| -rw-r--r-- | src/soc/amd/picasso/acpi/sb_fch.asl | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/acpi/aoac.asl b/src/soc/amd/picasso/acpi/aoac.asl index 727b9bb444..ffdfcd451c 100644 --- a/src/soc/amd/picasso/acpi/aoac.asl +++ b/src/soc/amd/picasso/acpi/aoac.asl @@ -139,6 +139,7 @@ Device (AOAC) { AOAC_DEVICE(I2C2, 7, 0) AOAC_DEVICE(I2C3, 8, 0) + AOAC_DEVICE(FUR0, 11, 0) AOAC_DEVICE(FUR1, 12, 0) AOAC_DEVICE(FUR2, 16, 0) AOAC_DEVICE(FUR3, 26, 0) diff --git a/src/soc/amd/picasso/acpi/sb_fch.asl b/src/soc/amd/picasso/acpi/sb_fch.asl index 4eca52c048..6cbfc5f664 100644 --- a/src/soc/amd/picasso/acpi/sb_fch.asl +++ b/src/soc/amd/picasso/acpi/sb_fch.asl @@ -122,6 +122,18 @@ Device (FUR0) Return (Local0) } } + + Name (_PR0, Package () { \_SB.AOAC.FUR0 }) + Name (_PR2, Package () { \_SB.AOAC.FUR0 }) + Name (_PR3, Package () { \_SB.AOAC.FUR0 }) + Method (_PS0, 0, Serialized) { + Printf("FUR0._PS0") + \_SB.AOAC.FUR0.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("FUR0._PS3") + \_SB.AOAC.FUR0.TDS = 3 + } } Device (FUR1) { |