soc/amd/glinda: Only allow warm reset on Faegan

Select SOC_AMD_SUPPORTS_WARM_RESET on faegon only.
Glinda doesn't currently support warm resets.

Signed-off-by: Patrick Rudolph <patrick.rudolph@amd.com>
Change-Id: Ic7a011827d16685bb3f2a13a576b7832a4929119
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91163
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/amd/glinda/Kconfig

@@ -92,7 +92,6 @@ config SOC_AMD_GLINDA_BASE
 	select X86_AMD_FIXED_MTRRS
 	select X86_INIT_NEED_1_SIPI
 	select HAVE_X86_64_SUPPORT
-	select SOC_AMD_SUPPORTS_WARM_RESET
 	help
 	  AMD Glinda support
 
@@ -105,6 +104,7 @@ config SOC_AMD_GLINDA
 config SOC_AMD_FAEGAN
 	bool
 	select SOC_AMD_GLINDA_BASE
+	select SOC_AMD_SUPPORTS_WARM_RESET
 	help
 	  AMD Faegan support
 

src/soc/amd/glinda/fch.c

@@ -156,6 +156,8 @@ static void cgpll_clock_gate_init(void)
 
 void fch_init(void *chip_info)
 {
+	if (!CONFIG(SOC_AMD_SUPPORTS_WARM_RESET))
+		set_resets_to_cold();
 	i2c_soc_init();
 	fch_init_acpi_ports();