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-rw-r--r--src/cpu/x86/car.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/cpu/x86/car.c b/src/cpu/x86/car.c
index 36c5cf055e..fda3f7d4f4 100644
--- a/src/cpu/x86/car.c
+++ b/src/cpu/x86/car.c
@@ -18,6 +18,7 @@
#include <console/console.h>
#include <cbmem.h>
#include <arch/early_variables.h>
+#include <symbols.h>
#if IS_ENABLED(CONFIG_PLATFORM_USES_FSP1_0)
#include <drivers/intel/fsp1_0/fsp_util.h>
@@ -63,15 +64,16 @@ void *car_get_var_ptr(void *var)
#if IS_ENABLED(CONFIG_PLATFORM_USES_FSP1_0)
migrated_base=(char *)find_saved_temp_mem(
*(void **)CBMEM_FSP_HOB_PTR);
+ /* FSP 1.0 migrates the entire DCACHE RAM */
+ offset = (char *)var - (char *)CONFIG_DCACHE_RAM_BASE;
#else
migrated_base = cbmem_find(CBMEM_ID_CAR_GLOBALS);
+ offset = (char *)var - (char *)_car_start;
#endif
if (migrated_base == NULL)
die( "CAR: Could not find migration base!\n");
- offset = (char *)var - (char *)_car_start;
-
return &migrated_base[offset];
}
@@ -89,15 +91,19 @@ void *car_sync_var_ptr(void *var)
if (mig_var == var)
return mig_var;
- /* It's already pointing outside car.global_data. */
- if (*mig_var < _car_start || *mig_var > _car_end)
+ /*
+ * Migrate the cbmem console pointer for FSP 1.0 platforms. Otherwise,
+ * keep console buffer in CAR until cbmemc_reinit() moves it.
+ */
+ if (*mig_var == _preram_cbmem_console) {
+ if (IS_ENABLED(CONFIG_PLATFORM_USES_FSP1_0))
+ *mig_var += (char *)mig_var - (char *)var;
return mig_var;
+ }
-#if !IS_ENABLED(CONFIG_PLATFORM_USES_FSP1_0)
- /* Keep console buffer in CAR until cbmemc_reinit() moves it. */
- if (*mig_var == _car_end)
+ /* It's already pointing outside car.global_data. */
+ if (*mig_var < _car_start || *mig_var > _car_end)
return mig_var;
-#endif
/* Move the pointer by the same amount the variable storing it was
* moved by.