diff mbox series

[v1,09/54] x86: acpi: Expand the GNVS

Message ID 20200726214408.v1.9.I0d7d06404af2f2a88031aa0821faebb076dfe81b@changeid
State Superseded
Delegated to: Bin Meng
Headers show
Series dm: Add programatic generation of ACPI tables (part D) | expand

Commit Message

Simon Glass July 27, 2020, 3:44 a.m. UTC 
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>
---

 arch/x86/include/asm/acpi/global_nvs.h | 2 +-
 arch/x86/include/asm/intel_gnvs.h      | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/include/asm/acpi/global_nvs.h b/arch/x86/include/asm/acpi/global_nvs.h
index a552cf6374f..46383629cc5 100644
--- 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 e2d479d4f32..c1e9d65779f 100644
--- 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