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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>
Simon Glass 3 years ago
parent
commit
7924b499a2
2 changed files with 2 additions and 1 deletions
  1. 1 1
      arch/x86/include/asm/acpi/global_nvs.h
  2. 1 0
      arch/x86/include/asm/intel_gnvs.h

+ 1 - 1
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_ */

+ 1 - 0
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