x86: acpi: Expand the GNVS

Expand this to 4KB so that it is possible to add custom information to it.
On Chromebooks this is used to pass verified-boot information.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/x86/include/asm/acpi/global_nvs.h b/arch/x86/include/asm/acpi/global_nvs.h
index a552cf6..4638362 100644 (file)
--- a/arch/x86/include/asm/acpi/global_nvs.h
+++ b/arch/x86/include/asm/acpi/global_nvs.h
@@ -16,6 +16,6 @@
  * DSDT, since it is created by code, so ACPI_GNVS_ADDR is unused.
  */
 #define ACPI_GNVS_ADDR 0xdeadbeef
-#define ACPI_GNVS_SIZE 0x100
+#define ACPI_GNVS_SIZE 0x1000
 
 #endif /* _ACPI_GNVS_H_ */

diff --git a/arch/x86/include/asm/intel_gnvs.h b/arch/x86/include/asm/intel_gnvs.h
index e2d479d..c1e9d65 100644 (file)
--- a/arch/x86/include/asm/intel_gnvs.h
+++ b/arch/x86/include/asm/intel_gnvs.h
@@ -36,6 +36,7 @@ struct __packed acpi_global_nvs {
        u8      unused2[0x1000 - 0x100];        /* Pad out to 4096 bytes */
 #endif
 };
+
 #ifdef CONFIG_CHROMEOS
 check_member(acpi_global_nvs, chromeos, GNVS_CHROMEOS_ACPI_OFFSET);
 #endif