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ACPI: Allocate S3 resume backup in CBMEM earlier

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These allocations are not really part of write_tables() and the move
opens possibilities to use CBMEM instead of SPI Flash to restore some
parts of system state after S3 resume.

Change-Id: I0c36bcee3f1da525af077fc1d18677ee85097e4d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7097
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2014-10-16 20:58:47 +03:00
parent 1729cd8574
commit 7b14f08f45
4 changed files with 20 additions and 10 deletions
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10
src/arch/x86/boot/tables.c
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@@ -196,16 +196,6 @@ void write_tables(void)
post_code(0x9e);
/* Let's prepare the ACPI S3 Resume area now already, so we can rely on
* it begin there during reboot time. We don't need the pointer, nor
* the result right now. If it fails, ACPI resume will be disabled.
*/
if (HIGH_MEMORY_SAVE && acpi_s3_resume_allowed())
cbmem_add(CBMEM_ID_RESUME, HIGH_MEMORY_SAVE);
if (HIGH_MEMORY_SCRATCH && acpi_s3_resume_allowed())
cbmem_add(CBMEM_ID_RESUME_SCRATCH, HIGH_MEMORY_SCRATCH);
#define MAX_COREBOOT_TABLE_SIZE (32 * 1024)
post_code(0x9d);