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Diffstat (limited to 'src/cpu/amd/car/disable_cache_as_ram.c')
-rw-r--r--src/cpu/amd/car/disable_cache_as_ram.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/amd/car/disable_cache_as_ram.c b/src/cpu/amd/car/disable_cache_as_ram.c
index 4a86280f36..d3a381210e 100644
--- a/src/cpu/amd/car/disable_cache_as_ram.c
+++ b/src/cpu/amd/car/disable_cache_as_ram.c
@@ -4,6 +4,7 @@
* original idea yhlu 6.2005 (assembler code)
*
* Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz>
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -36,6 +37,12 @@ static inline __attribute__((always_inline)) void disable_cache_as_ram(void)
#if CONFIG_DCACHE_RAM_SIZE > 0x8000
wrmsr(MTRRfix4K_C0000_MSR, msr);
#endif
+#if CONFIG_DCACHE_RAM_SIZE > 0x10000
+ wrmsr(MTRRfix4K_D0000_MSR, msr);
+#endif
+#if CONFIG_DCACHE_RAM_SIZE > 0x18000
+ wrmsr(MTRRfix4K_D8000_MSR, msr);
+#endif
/* disable fixed mtrr from now on, it will be enabled by ramstage again*/
msr = rdmsr(SYSCFG_MSR);