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-rw-r--r--src/include/cpu/x86/mtrr.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index a72d602ccd..0d64be517e 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -76,6 +76,10 @@ void x86_setup_mtrrs_with_detect(void);
*/
void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb);
void enable_fixed_mtrr(void);
+/* Unhide Rd/WrDram bits and allow modification for AMD. */
+void fixed_mtrrs_expose_amd_rwdram(void);
+/* Hide Rd/WrDram bits and allow modification for AMD. */
+void fixed_mtrrs_hide_amd_rwdram(void);
void x86_setup_fixed_mtrrs(void);
/* Set up fixed MTRRs but do not enable them. */
void x86_setup_fixed_mtrrs_no_enable(void);