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Diffstat (limited to 'src/mainboard/purism/librem13/fadt.c')
-rw-r--r--src/mainboard/purism/librem13/fadt.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem13/fadt.c b/src/mainboard/purism/librem13/fadt.c
new file mode 100644
index 0000000000..980ff03a0f
--- /dev/null
+++ b/src/mainboard/purism/librem13/fadt.c
@@ -0,0 +1,45 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 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.
+ */
+
+#include <string.h>
+#include <soc/acpi.h>
+
+void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
+{
+ acpi_header_t *header = &fadt->header;
+
+ memset(fadt, 0, sizeof(acpi_fadt_t));
+ memcpy(header->signature, "FACP", 4);
+ header->length = sizeof(acpi_fadt_t);
+ header->revision = 5;
+ memcpy(header->oem_id, OEM_ID, 6);
+ memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
+ memcpy(header->asl_compiler_id, ASLC, 4);
+ header->asl_compiler_revision = 1;
+
+ fadt->firmware_ctrl = (u32)facs;
+ fadt->dsdt = (u32)dsdt;
+ fadt->model = 1;
+ fadt->preferred_pm_profile = PM_MOBILE;
+
+ fadt->x_firmware_ctl_l = (u32)facs;
+ fadt->x_firmware_ctl_h = 0;
+ fadt->x_dsdt_l = (u32)dsdt;
+ fadt->x_dsdt_h = 0;
+
+ acpi_fill_in_fadt(fadt);
+
+ header->checksum = acpi_checksum((void *)fadt, header->length);
+}