aboutsummaryrefslogtreecommitdiff
path: root/src/vendorcode/google/chromeos/gnvs.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/google/chromeos/gnvs.h')
-rw-r--r--src/vendorcode/google/chromeos/gnvs.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/gnvs.h b/src/vendorcode/google/chromeos/gnvs.h
new file mode 100644
index 0000000000..36922baac8
--- /dev/null
+++ b/src/vendorcode/google/chromeos/gnvs.h
@@ -0,0 +1,69 @@
+/*
+ * 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
+ */
+
+#ifndef __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H
+#define __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H
+
+#define BOOT_REASON_OTHER 0
+#define BOOT_REASON_S3DIAG 9
+
+#define CHSW_RECOVERY_X86 (1 << 1)
+#define CHSW_RECOVERY_EC (1 << 2)
+#define CHSW_DEVELOPER_SWITCH (1 << 5)
+#define CHSW_FIRMWARE_WP_DIS (1 << 9)
+
+#define ACTIVE_MAINFW_RECOVERY 0
+#define ACTIVE_MAINFW_RW_A 1
+#define ACTIVE_MAINFW_RW_B 2
+
+#define ACTIVE_MAINFW_TYPE_RECOVERY 0
+#define ACTIVE_MAINFW_TYPE_NORMAL 1
+#define ACTIVE_MAINFW_TYPE_DEVELOPER 2
+
+#define RECOVERY_REASON_NONE 0
+#define RECOVERY_REASON_ME 1
+// TODO(reinauer) other recovery reasons?
+
+#define ACTIVE_ECFW_RO 0
+#define ACTIVE_ECFW_RW 1
+
+typedef struct {
+ /* ChromeOS specific */
+ u32 vbt0; // 00 boot reason
+ u32 vbt1; // 04 active main firmware
+ u32 vbt2; // 08 active ec firmware
+ u16 vbt3; // 0c CHSW
+ u8 vbt4[256]; // 0e HWID
+ u8 vbt5[64]; // 10e FWID
+ u8 vbt6[64]; // 14e FRID - 275
+ u32 vbt7; // 18e active main firmware type
+ u32 vbt8; // 192 recovery reason
+ u32 vbt9; // 196 fmap base address
+ u8 vdat[3072]; // 19a
+ u32 vbt10; // d9a smbios bios version
+ u32 mehh[8]; // d9e management engine hash
+ // dbe
+} __attribute__((packed)) chromeos_acpi_t;
+
+extern chromeos_acpi_t *vboot_data;
+void chromeos_init_vboot(chromeos_acpi_t *chromeos);
+void chromeos_set_vboot_data_ptr(void *);
+void chromeos_set_me_hash(u32*, int);
+
+#endif