[coreboot-gerrit] New patch to review for coreboot: ACPI S3: Drop ACPI_HUGE_LOWMEM_BACKUP

[Kyösti Mälkki (kyosti.malkki@gmail.com)]

Kyösti Mälkki (kyosti.malkki at gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15476

-gerrit

commit a02194eb31bf87f6d5b82b4392e3732b200fafe9
Author: Kyösti Mälkki <kyosti.malkki at gmail.com>
Date:   Tue Jun 28 07:50:48 2016 +0300

    ACPI S3: Drop ACPI_HUGE_LOWMEM_BACKUP
    
    Change-Id: Ifae41b51b359010ec02269c674936a87bd15623b
    Signed-off-by: Kyösti Mälkki <kyosti.malkki at gmail.com>
---
 src/Kconfig                      |  4 ----
 src/arch/x86/acpi_s3.c           | 10 ----------
 src/arch/x86/include/arch/acpi.h |  2 --
 3 files changed, 16 deletions(-)

diff --git a/src/Kconfig b/src/Kconfig
index b4c3cbe..7043851 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -516,10 +516,6 @@ config HAVE_ACPI_RESUME
 	bool
 	default n
 
-config ACPI_HUGE_LOWMEM_BACKUP
-	bool
-	default n
-
 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 b804c6c..af833cb 100644
--- a/src/arch/x86/acpi_s3.c
+++ b/src/arch/x86/acpi_s3.c
@@ -105,11 +105,6 @@ void backup_ramstage_section(u32 base, u32 size)
 		size = backup_mem->size;
 	}
 
-	if (IS_ENABLED(CONFIG_ACPI_HUGE_LOWMEM_BACKUP)) {
-		base = CONFIG_RAMBASE;
-		size = HIGH_MEMORY_SAVE;
-	}
-
 	/* FIXME: Sanity check CBMEM. */
 
 	/* Back up the OS-controlled memory where ramstage will be loaded. */
@@ -152,11 +147,6 @@ void acpi_prepare_resume_backup(void)
 	if (IS_ENABLED(CONFIG_LATE_CBMEM_INIT))
 		romstage_ram_stack_maybe_low(0);
 
-	if (IS_ENABLED(CONFIG_ACPI_HUGE_LOWMEM_BACKUP)) {
-		base = CONFIG_RAMBASE;
-		size = HIGH_MEMORY_SAVE;
-	}
-
 	size = ALIGN_UP(size, 4);
 
 	size_t reserve = ALIGN_UP(sizeof(*backup_mem) + size, 1024);
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index babb50b..3bda1c6 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -24,8 +24,6 @@
 #ifndef __ASM_ACPI_H
 #define __ASM_ACPI_H
 
-#define HIGH_MEMORY_SAVE	(CONFIG_RAMTOP - CONFIG_RAMBASE)
-
 #ifndef __ASSEMBLER__
 #include <stdint.h>
 #include <rules.h>