[coreboot-gerrit] Patch set updated for coreboot: soc/intel/common: Add utility to load VBT file
Andrey Petrov (andrey.petrov@intel.com)
gerrit at coreboot.org
Sat May 14 06:59:05 CEST 2016
Andrey Petrov (andrey.petrov at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14815
-gerrit
commit 15aefa5d3f611deff56cec7459191444b2449cde
Author: Andrey Petrov <andrey.petrov at intel.com>
Date: Fri May 13 15:27:42 2016 -0700
soc/intel/common: Add utility to load VBT file
Change-Id: I8d3d47ca2fc1fc4c10e61c04b941b6378b9c0f80
Signed-off-by: Andrey Petrov <andrey.petrov at intel.com>
---
src/soc/intel/common/Makefile.inc | 1 +
src/soc/intel/common/vbt.c | 42 +++++++++++++++++++++++++++++++++++++++
src/soc/intel/common/vbt.h | 24 ++++++++++++++++++++++
3 files changed, 67 insertions(+)
diff --git a/src/soc/intel/common/Makefile.inc b/src/soc/intel/common/Makefile.inc
index a7218b7..f69871a 100644
--- a/src/soc/intel/common/Makefile.inc
+++ b/src/soc/intel/common/Makefile.inc
@@ -14,6 +14,7 @@ ramstage-$(CONFIG_SOC_INTEL_COMMON_RESET) += reset.c
ramstage-y += util.c
ramstage-$(CONFIG_MMA) += mma.c
ramstage-$(CONFIG_SOC_INTEL_COMMON_ACPI_WAKE_SOURCE) += acpi_wake_source.c
+ramstage-y += vbt.c
# Create and add the MRC cache to the cbfs image
ifneq ($(CONFIG_CHROMEOS),y)
diff --git a/src/soc/intel/common/vbt.c b/src/soc/intel/common/vbt.c
new file mode 100644
index 0000000..80b17a2
--- /dev/null
+++ b/src/soc/intel/common/vbt.c
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corporation.
+ *
+ * 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 <cbfs.h>
+#include <console/console.h>
+
+#include "vbt.h"
+
+#define VBT_SIGNATURE 0x54425624
+
+enum cb_err locate_vbt(struct region_device *rdev)
+{
+ uint32_t vbtsig = 0;
+ struct cbfsf file_desc;
+
+ if (cbfs_boot_locate(&file_desc, "vbt.bin", NULL) < 0) {
+ printk(BIOS_ERR, "Could not locate a VBT file in in CBFS\n");
+ return CB_ERR;
+ }
+
+ cbfs_file_data(rdev, &file_desc);
+ rdev_readat(rdev, &vbtsig, 0, sizeof(uint32_t));
+
+ if (vbtsig != VBT_SIGNATURE) {
+ printk(BIOS_ERR, "Missing/invalid signature in VBT data file!\n");
+ return CB_ERR;
+ }
+
+ return CB_SUCCESS;
+}
diff --git a/src/soc/intel/common/vbt.h b/src/soc/intel/common/vbt.h
new file mode 100644
index 0000000..e1a45cc
--- /dev/null
+++ b/src/soc/intel/common/vbt.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corporation.
+ *
+ * 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.
+ */
+
+#ifndef _INTEL_COMMON_VBT_H_
+#define _INTEL_COMMON_VBT_H_
+
+#include <commonlib/region.h>
+#include <types.h>
+
+/* locate .vbt file */
+enum cb_err locate_vbt(struct region_device *rdev);
+#endif
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