1 files changed, 58 insertions, 0 deletions
diff --git a/src/vendorcode/amd/fsp/mendocino/fsp_h_c99.h b/src/vendorcode/amd/fsp/mendocino/fsp_h_c99.h
new file mode 100644
index 000000000000..1a295f591a67
--- /dev/null
+++ b/src/vendorcode/amd/fsp/mendocino/fsp_h_c99.h
@@ -0,0 +1,58 @@
+/** @file
+ *
+ * C99 common FSP definitions from
+ * Intel Firmware Support Package External Architecture Specification v2.0
+ *
+ * These definitions come in a format that is usable outside an EFI environment.
+ **/
+#ifndef FSP_H_C99_H
+#define FSP_H_C99_H
+
+#include <stdint.h>
+
+enum {
+	FSP_STATUS_RESET_REQUIRED_COLD		= 0x40000001,
+	FSP_STATUS_RESET_REQUIRED_WARM		= 0x40000002,
+	FSP_STATUS_RESET_REQUIRED_3		= 0x40000003,
+	FSP_STATUS_RESET_REQUIRED_4		= 0x40000004,
+	FSP_STATUS_RESET_REQUIRED_5		= 0x40000005,
+	FSP_STATUS_RESET_REQUIRED_6		= 0x40000006,
+	FSP_STATUS_RESET_REQUIRED_7		= 0x40000007,
+	FSP_STATUS_RESET_REQUIRED_8		= 0x40000008,
+};
+
+typedef enum {
+	EnumInitPhaseAfterPciEnumeration	= 0x20,
+	EnumInitPhaseReadyToBoot		= 0x40,
+	EnumInitPhaseEndOfFirmware		= 0xF0
+} FSP_INIT_PHASE;
+
+typedef struct __packed {
+	uint64_t	Signature;
+	uint8_t		Revision;
+	uint8_t		Reserved[23];
+} FSP_UPD_HEADER;
+
+_Static_assert(sizeof(FSP_UPD_HEADER) == 32, "FSP_UPD_HEADER not packed");
+
+
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
+typedef struct __packed {
+	uint8_t		Revision;
+	uint8_t		Reserved[3];
+	/* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+	uint32_t	NvsBufferPtr;
+	/* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+	uint32_t	StackBase;
+	uint32_t	StackSize;
+	uint32_t	BootLoaderTolumSize;
+	uint32_t	BootMode;
+	uint8_t		Reserved1[8];
+} FSPM_ARCH_UPD;
+
+_Static_assert(sizeof(FSPM_ARCH_UPD) == 32, "FSPM_ARCH_UPD not packed");
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
+
+#endif /* FSP_H_C99_H */