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

Simon Glass sjg at chromium.org
Mon Jan 27 06:06:19 CET 2020


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(-)

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_ */
-- 
2.25.0.341.g760bfbb309-goog



More information about the U-Boot mailing list