soc/intel/skylake: Display FPF status of CSME

Field Programmable Fuses (FPF) status maintained by
CSME in bits 30:31 of FWSTS6 for Skylake and Kabylake.
FPF committed means CSME has blown the fuses.

Change-Id: If63c7874e6c894749df8100426faca0ad432384b
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/19747
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/soc/intel/skylake/include/soc/me.h b/src/soc/intel/skylake/include/soc/me.h
index 8dc21c381f..2736d1a04f 100644
--- a/src/soc/intel/skylake/include/soc/me.h
+++ b/src/soc/intel/skylake/include/soc/me.h
@@ -186,6 +186,18 @@ union me_hfs3 {
 	} __attribute__ ((packed)) fields;
 };
 
+#define PCI_ME_HFSTS6			0x6c
+#define ME_HFS6_FPF_NOT_COMMITTED	0x0
+#define ME_HFS6_FPF_ERROR		0x2
+
+union me_hfs6 {
+	u32 data;
+	struct {
+		u32 reserved1: 30;
+		u32 fpf_nvars: 2;
+	} __attribute__ ((packed)) fields;
+};
+
 /*
  * Management Engine MMIO registers
  */