[072/108] x86: acpi: Expand the GNVS

Message ID 20200126220508.72.I0d7d06404af2f2a88031aa0821faebb076dfe81b@changeid
State New
Headers show
Series
  • RFC: dm: Add programatic generation of ACPI tables
Related show

Commit Message

Simon Glass Jan. 27, 2020, 5:06 a.m.
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 at chromium.org>
---

 arch/x86/include/asm/acpi/global_nvs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/arch/x86/include/asm/acpi/global_nvs.h b/arch/x86/include/asm/acpi/global_nvs.h
index a552cf6374..46383629cc 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_ */