[coreboot-gerrit] Change in coreboot[master]: soc/amd/picasso: set is_rv to 1 for RV family

[Aaron Durbin (Code Review)]

Aaron Durbin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/44009 )

Change subject: soc/amd/picasso: set is_rv to 1 for RV family
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soc/amd/picasso: set is_rv to 1 for RV family

RV has difference in clk framework. In RV we get a 48Mhz fixed clk,
while in ST we had 25Mhz, 48mhz clocks and a Mux to select between them.
To differentiate set the fmw property to 1 for boards using RV family of SoC.

Signed-off-by: Akshu Agrawal

BUG=b:158906189
TEST=rt5682 driver get the correct clk and tested audio playback

Change-Id: I685ded1607c2c7edc5e48f0bada258ebde192bb8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44009
Tested-by: build bot (Jenkins) 
Reviewed-by: Aaron Durbin 
---
M src/soc/amd/picasso/acpi/sb_fch.asl
1 file changed, 8 insertions(+), 0 deletions(-)

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

diff --git a/src/soc/amd/picasso/acpi/sb_fch.asl b/src/soc/amd/picasso/acpi/sb_fch.asl
index 7623d9b..4eca52c 100644
--- a/src/soc/amd/picasso/acpi/sb_fch.asl
+++ b/src/soc/amd/picasso/acpi/sb_fch.asl
@@ -352,6 +352,14 @@
    Name (_CRS, ResourceTemplate() {
    	Memory32Fixed (ReadWrite, ACPIMMIO_MISC_BASE, 0x100)
    })
+	Name (_DSD, Package ()
+	{
+		ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+		Package ()
+		{
+			Package () { "is-rv", 1 },
+		},
+	})
    Method (_STA, 0x0, NotSerialized)
    {
    	Return (0x0F)