Braswell: Use Baytrail as Comparison Base

Add baytrail source for comparison with Braswell.

BRANCH=none
BUG=None
TEST=None

Change-Id: I5170addf41676d95a3daf070a32bcee085f8156d
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10117
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/src/soc/intel/braswell/memmap.c b/src/soc/intel/braswell/memmap.c
new file mode 100644
index 0000000000..9a49e3550e
--- /dev/null
+++ b/src/soc/intel/braswell/memmap.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <cbmem.h>
+#include <soc/iosf.h>
+#include <soc/smm.h>
+
+uintptr_t smm_region_start(void)
+{
+	return (iosf_bunit_read(BUNIT_SMRRL) << 20);
+}
+
+void *cbmem_top(void)
+{
+	return (void *) smm_region_start();
+}