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Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9ead3ebccf..b568852406 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -589,6 +589,18 @@ config GENERATE_ACPI_TABLE endmenu +config HAVE_ACPI_RESUME + bool "Enable ACPI S3 resume" + help + Select this to enable ACPI S3 resume. S3 is an ACPI-defined sleeping + state where all system context is lost except system memory. U-Boot + is responsible for restoring the machine state as it was before sleep. + It needs restore the memory controller, without overwriting memory + which is not marked as reserved. For the peripherals which lose their + registers, U-Boot needs to write the original value. When everything + is done, U-Boot needs to find out the wakeup vector provided by OSes + and jump there. + config MAX_PIRQ_LINKS int default 8 |