aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h
diff options
context:
space:
mode:
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h')
-rw-r--r--roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h b/roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h
new file mode 100644
index 000000000..46383629c
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/acpi/global_nvs.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef _ACPI_GNVS_H_
+#define _ACPI_GNVS_H_
+
+/*
+ * This file provides two ACPI global NVS macros: ACPI_GNVS_ADDR and
+ * ACPI_GNVS_SIZE. They are to be used in platform's global_nvs.asl file
+ * to declare the GNVS OperationRegion, as well as write_acpi_tables()
+ * for the GNVS address runtime fix up.
+ *
+ * If using CONFIG_ACPI_GNVS_EXTERNAL, we don't need to locate the GNVS in
+ * DSDT, since it is created by code, so ACPI_GNVS_ADDR is unused.
+ */
+#define ACPI_GNVS_ADDR 0xdeadbeef
+#define ACPI_GNVS_SIZE 0x1000
+
+#endif /* _ACPI_GNVS_H_ */