Change in coreboot[master]: amd/picasso/acpi: Add power resources for UART0

[Aaron Durbin (Code Review)]

Aaron Durbin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/44266 )

Change subject: amd/picasso/acpi: Add power resources for UART0
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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 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44266
Tested-by: build bot (Jenkins) 
Reviewed-by: Raul Rangel 
Reviewed-by: Aaron Durbin 
---
M src/soc/amd/picasso/acpi/aoac.asl
M src/soc/amd/picasso/acpi/sb_fch.asl
2 files changed, 13 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Aaron Durbin: Looks good to me, approved
  Raul Rangel: Looks good to me, approved

diff --git a/src/soc/amd/picasso/acpi/aoac.asl b/src/soc/amd/picasso/acpi/aoac.asl
index 727b9bb..ffdfcd4 100644
--- a/src/soc/amd/picasso/acpi/aoac.asl
+++ b/src/soc/amd/picasso/acpi/aoac.asl
@@ -139,6 +139,7 @@

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 4eca52c..6cbfc5f 100644
--- a/src/soc/amd/picasso/acpi/sb_fch.asl
+++ b/src/soc/amd/picasso/acpi/sb_fch.asl
@@ -122,6 +122,18 @@
    		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) {