soc/marvell/mvmap2315: Add load_validate driver

Load_validate: it loads and validates images from
flash using hash values stored in the BDB.

Testing: booted successfully.

Change-Id: I0b00e8c60ed76622d03cb232d5c4273b4077aae7
Signed-off-by: Hakim Giydan <hgiydan@marvell.com>
Reviewed-on: https://review.coreboot.org/16148
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 79 insertions, 0 deletions

diff --git a/src/soc/marvell/mvmap2315/bdb.c b/src/soc/marvell/mvmap2315/bdb.c
new file mode 100644
index 0000000000..6be414cb39
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/bdb.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <soc/bdb.h>
+
+void set_bdb_pointers(u8 *start_addr, struct bdb_pointer *bdb_in)
+{
+	bdb_in->bdb_h
+		= (struct bdb_header *)start_addr;
+
+	bdb_in->bdb_k
+		= (struct bdb_key *)(start_addr
+			+ (bdb_in->bdb_h->struct_size));
+
+	bdb_in->bdb_oem_0
+		= (u8 *)((u32)(bdb_in->bdb_k)
+			+ (bdb_in->bdb_k->struct_size));
+
+	bdb_in->sub_k
+		= (struct bdb_key *)((u32)(bdb_in->bdb_oem_0)
+			+ (bdb_in->bdb_h->oem_area_0_size));
+
+	bdb_in->bdb_h_s
+		= (struct bdb_sig *)((u32)(bdb_in->bdb_oem_0)
+			+ (bdb_in->bdb_h->signed_size));
+
+	bdb_in->bdb_d
+		= (struct bdb_data *)((u32)(bdb_in->bdb_h_s)
+			+ (bdb_in->bdb_h_s->struct_size));
+
+	bdb_in->oem_1
+		= (u8 *)((u32)(bdb_in->bdb_d)
+			+ (bdb_in->bdb_d->struct_size));
+
+	bdb_in->bdb_hash
+		= (struct bdb_hash *)((u32)(bdb_in->oem_1)
+			+ (bdb_in->bdb_d->oem_area_1_size));
+
+	bdb_in->bdb_s
+		= (struct bdb_sig *)((u32)(bdb_in->bdb_d)
+			+ (bdb_in->bdb_d->signed_size));
+}
+
+struct bdb_hash *find_bdb_image(struct bdb_pointer *bdb_info, u32 image_type)
+{
+	int i;
+
+	if (!bdb_info) {
+		printk(BIOS_DEBUG, "can't find BDB\n");
+		return NULL;
+	}
+
+	for (i = 0; i < bdb_info->bdb_d->num_hashes; i++) {
+		if (bdb_info->bdb_hash[i].type == image_type)
+			return &bdb_info->bdb_hash[i];
+	}
+
+	printk(BIOS_DEBUG, "can't find image with type %d in the BDB\n",
+	       image_type);
+	return NULL;
+}