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-rw-r--r--src/Kconfig6
-rw-r--r--src/arch/x86/acpi_s3.c5
-rw-r--r--src/arch/x86/include/arch/acpi.h2
3 files changed, 0 insertions, 13 deletions
diff --git a/src/Kconfig b/src/Kconfig
index 6288d0bc74..333643e471 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -485,12 +485,6 @@ config HAVE_ACPI_RESUME
bool
default n
-config ACPI_HUGE_LOWMEM_BACKUP
- bool
- default n
- help
- On S3 resume path, backup low memory from RAMBASE..RAMTOP in CBMEM.
-
config RESUME_PATH_SAME_AS_BOOT
bool
default y if ARCH_X86
diff --git a/src/arch/x86/acpi_s3.c b/src/arch/x86/acpi_s3.c
index 47f28d284c..decaf2b5ff 100644
--- a/src/arch/x86/acpi_s3.c
+++ b/src/arch/x86/acpi_s3.c
@@ -84,11 +84,6 @@ static int backup_create_or_update(struct resume_backup *backup_mem,
{
uintptr_t top;
- if (CONFIG(ACPI_HUGE_LOWMEM_BACKUP)) {
- base = CONFIG_RAMBASE;
- size = HIGH_MEMORY_SAVE;
- }
-
/* Align backup region to complete pages. */
top = ALIGN_UP(base + size, BACKUP_PAGE_SZ);
base = ALIGN_DOWN(base, BACKUP_PAGE_SZ);
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 660f0dc2e6..670948a1d1 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -26,8 +26,6 @@
#ifndef __ASM_ACPI_H
#define __ASM_ACPI_H
-#define HIGH_MEMORY_SAVE (CONFIG_RAMTOP - CONFIG_RAMBASE)
-
/*
* The type and enable fields are common in ACPI, but the
* values themselves are hardware implementation defined.