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-rw-r--r--src/arch/i386/init/car.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/arch/i386/init/car.S b/src/arch/i386/init/car.S
index bfd7e343ce..107da7b222 100644
--- a/src/arch/i386/init/car.S
+++ b/src/arch/i386/init/car.S
@@ -236,12 +236,18 @@ clear_fixed_var_mtrr_out:
wrmsr
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
+#if defined(CONFIG_TINY_BOOTBLOCK) && CONFIG_TINY_BOOTBLOCK
+#define REAL_XIP_ROM_BASE AUTO_XIP_ROM_BASE
+#else
+#define REAL_XIP_ROM_BASE CONFIG_XIP_ROM_BASE
+#endif
/* enable write base caching so we can do execute in place
* on the flash rom.
*/
movl $0x202, %ecx
xorl %edx, %edx
- movl $(CONFIG_XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax
+ movl $REAL_XIP_ROM_BASE, %eax
+ orl $MTRR_TYPE_WRBACK, %eax
wrmsr
movl $0x203, %ecx