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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/x86/include/asm/microcode.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/microcode.h')
-rw-r--r--roms/u-boot/arch/x86/include/asm/microcode.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/microcode.h b/roms/u-boot/arch/x86/include/asm/microcode.h
new file mode 100644
index 000000000..4ab750493
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/microcode.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2015 Google, Inc
+ */
+
+#ifndef __ASM_ARCH_MICROCODE_H
+#define __ASM_ARCH_MICROCODE_H
+
+#ifndef __ASSEMBLY__
+
+/* This is a declaration for ucode_base in start.S */
+extern u32 ucode_base;
+extern u32 ucode_size;
+
+/**
+ * microcode_update_intel() - Apply microcode updates
+ *
+ * Applies any microcode updates in the device tree.
+ *
+ * @return 0 if OK, -EEXIST if the updates were already applied, -ENOENT if
+ * not updates were found, -EINVAL if an update was invalid
+ */
+int microcode_update_intel(void);
+
+/**
+ * microcode_read_rev() - Read the microcode version
+ *
+ * This reads the microcode version of the currently running CPU
+ *
+ * @return microcode version number
+ */
+int microcode_read_rev(void);
+#endif /* __ASSEMBLY__ */
+
+#endif