1 files changed, 78 insertions, 0 deletions
diff --git a/src/soc/qualcomm/ipq806x/blobs_init.c b/src/soc/qualcomm/ipq806x/blobs_init.c
new file mode 100644
index 0000000000..96a14dc40b
--- /dev/null
+++ b/src/soc/qualcomm/ipq806x/blobs_init.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 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 <cbfs.h>
+#include <string.h>
+#include <arch/cache.h>
+
+#include <soc/soc_services.h>
+
+#include <console/console.h>
+
+#include "mbn_header.h"
+
+static struct mbn_header *map_ipq_blob(const char *file_name)
+{
+	struct cbfs_file *blob_file;
+	struct mbn_header *blob_mbn;
+
+	blob_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, file_name);
+	if (!blob_file)
+		return NULL;
+
+	blob_mbn = (struct mbn_header *)((uintptr_t)blob_file +
+					 ntohl(blob_file->offset));
+
+	/* some sanity checks on the headers */
+	if ((blob_mbn->mbn_version != 3) ||
+	    (blob_mbn->mbn_total_size > ntohl(blob_file->len)))
+		return NULL;
+
+	return blob_mbn;
+}
+
+int initialize_dram(void)
+{
+	struct mbn_header *cdt_mbn;
+	struct mbn_header *ddr_mbn;
+	int (*ddr_init_function)(void *cdt_header);
+
+	cdt_mbn = map_ipq_blob("cdt.mbn");
+	ddr_mbn = map_ipq_blob("ddr.mbn");
+
+	if (!cdt_mbn || !ddr_mbn) {
+		printk(BIOS_ERR, "cdt.mbn: %p, ddr.mbn: %p\n",
+		       cdt_mbn, ddr_mbn);
+		die("could not find DDR initialization blobs\n");
+	}
+
+	/* Actual area where DDR init is going to be running */
+	ddr_init_function = (int (*)(void *))ddr_mbn->mbn_destination;
+
+	/* Copy core into the appropriate memory location. */
+	memcpy(ddr_init_function, ddr_mbn + 1, ddr_mbn->mbn_total_size);
+	cache_sync_instructions();
+
+	if (ddr_init_function(cdt_mbn + 1) < 0) /* Skip mbn header. */
+		die("Fail to Initialize DDR\n");
+
+	printk(BIOS_INFO, "DDR initialized\n");
+
+	return 0;
+}