1 files changed, 88 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/gnvs.c b/src/vendorcode/google/chromeos/gnvs.c
new file mode 100644
index 0000000000..8d0f9bb222
--- /dev/null
+++ b/src/vendorcode/google/chromeos/gnvs.c
@@ -0,0 +1,88 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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 <types.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include "gnvs.h"
+
+chromeos_acpi_t *vboot_data;
+static u32 me_hash_saved[8];
+
+void chromeos_init_vboot(chromeos_acpi_t *chromeos)
+{
+	vboot_data = chromeos;
+
+	/* Copy saved ME hash into NVS */
+	memcpy(vboot_data->mehh, me_hash_saved, sizeof(vboot_data->mehh));
+}
+
+void chromeos_set_vboot_data_ptr(void *blob)
+{
+	/* This code has to be rewritten to pass the vboot table
+	 * pointer through the coreboot table instead of the 
+	 * FDT, since FDT support was rejected upstream. For now
+	 * just make the code available for reference.
+	 */
+#if 0 // CONFIG_ADD_FDT
+	int node_offset, addr_cell_len;
+	const u32 *cell;
+	uintptr_t table_addr = (uintptr_t)vboot_data;
+	u32 table_addr32;
+	u64 table_addr64;
+	void *table_ptr;
+
+	cell = fdt_getprop(blob, 0, "#address-cells", NULL);
+	if (cell && *cell == 2) {
+		addr_cell_len = 8;
+		table_addr64 = cpu_to_fdt64(table_addr);
+		table_ptr = &table_addr64;
+	} else {
+		addr_cell_len = 4;
+		table_addr32 = cpu_to_fdt32(table_addr);
+		table_ptr = &table_addr32;
+	}
+
+	node_offset = fdt_path_offset(blob, "/chromeos-config");
+	if (node_offset < 0) {
+		printk(BIOS_ERR,
+			"Couldn't find /chromeos-config in the fdt.\n");
+		return;
+	}
+
+	if (fdt_setprop(blob, node_offset, "gnvs-vboot-table",
+			table_ptr, addr_cell_len) < 0) {
+		printk(BIOS_ERR, "Couldn't set gnvs-vboot-table.\n");
+	}
+#else
+	printk(BIOS_ERR, "Can't set gnvs-vboot-table.\n");
+#endif
+}
+
+void chromeos_set_me_hash(u32 *hash, int len)
+{
+	if ((len*sizeof(u32)) > sizeof(vboot_data->mehh))
+		return;
+
+	/* Copy to NVS or save until it is ready */
+	if (vboot_data)
+		memcpy(vboot_data->mehh, hash, len*sizeof(u32));
+	else
+		memcpy(me_hash_saved, hash, len*sizeof(u32));
+}