summaryrefslogtreecommitdiff
path: root/src/include/cpu/x86/mtrr.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/cpu/x86/mtrr.h')
-rw-r--r--src/include/cpu/x86/mtrr.h35
1 files changed, 34 insertions, 1 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index 2da2beefc9..667c7ad916 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -31,7 +31,6 @@
#define MTRRfix4K_F0000_MSR 0x26e
#define MTRRfix4K_F8000_MSR 0x26f
-
#if !defined (ASSEMBLY) && !defined(__PRE_RAM__)
#include <device/device.h>
void enable_fixed_mtrr(void);
@@ -42,5 +41,39 @@ void set_var_mtrr_resource(void *gp, struct device *dev, struct resource *res);
void x86_setup_fixed_mtrrs(void);
#endif
+/* Validate CONFIG_XIP_ROM_SIZE and CONFIG_XIP_ROM_BASE */
+#if defined(CONFIG_XIP_ROM_SIZE) && !defined(CONFIG_XIP_ROM_BASE)
+# error "CONFIG_XIP_ROM_SIZE without CONFIG_XIP_ROM_BASE"
+#endif
+#if defined(CONFIG_XIP_ROM_BASE) && !defined(CONFIG_XIP_ROM_SIZE)
+# error "CONFIG_XIP_ROM_BASE without CONFIG_XIP_ROM_SIZE"
+#endif
+#if !defined(CONFIG_RAMTOP)
+# error "CONFIG_RAMTOP not defined"
+#endif
+
+#if defined(CONFIG_XIP_ROM_SIZE) && ((CONFIG_XIP_ROM_SIZE & (CONFIG_XIP_ROM_SIZE -1)) != 0)
+# error "CONFIG_XIP_ROM_SIZE is not a power of 2"
+#endif
+#if defined(CONFIG_XIP_ROM_SIZE) && ((CONFIG_XIP_ROM_BASE % CONFIG_XIP_ROM_SIZE) != 0)
+# error "CONFIG_XIP_ROM_BASE is not a multiple of CONFIG_XIP_ROM_SIZE"
+#endif
+
+#if (CONFIG_RAMTOP & (CONFIG_RAMTOP -1)) != 0
+# error "CONFIG_RAMTOP must be a power of 2"
+#endif
+
+
+#if !defined (ASSEMBLY)
+#if defined(CONFIG_XIP_ROM_SIZE)
+# if defined(CONFIG_TINY_BOOTBLOCK) && CONFIG_TINY_BOOTBLOCK
+ extern unsigned long AUTO_XIP_ROM_BASE;
+# define REAL_XIP_ROM_BASE AUTO_XIP_ROM_BASE
+# else
+# define REAL_XIP_ROM_BASE CONFIG_XIP_ROM_BASE
+# endif
+#endif
+
+#endif
#endif /* CPU_X86_MTRR_H */