aboutsummaryrefslogtreecommitdiff
path: root/src/cpu/intel/haswell/stage_cache.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/intel/haswell/stage_cache.c')
-rw-r--r--src/cpu/intel/haswell/stage_cache.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/cpu/intel/haswell/stage_cache.c b/src/cpu/intel/haswell/stage_cache.c
new file mode 100644
index 0000000000..162a244036
--- /dev/null
+++ b/src/cpu/intel/haswell/stage_cache.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <cbmem.h>
+#include <stage_cache.h>
+#include "haswell.h"
+
+void stage_cache_external_region(void **base, size_t *size)
+{
+ /* The ramstage cache lives in the TSEG region at RESERVED_SMM_OFFSET.
+ * The top of ram is defined to be the TSEG base address. */
+ *size = RESERVED_SMM_SIZE;
+ *base = (void *)((uint32_t)cbmem_top() + RESERVED_SMM_OFFSET);
+}