ACPI: Get S3 resume state from romstage_handoff

There is nothing platform specific in retrieving S3 resume state from
romstage_handoff structure. Boards without EARLY_CBMEM_INIT update
acpi_slp_type from ACPI power-management block or scratchpad registers.

Change-Id: Ifc3755f891a0810473b3216c1fec8e45908fc1ab
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8188
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2015-01-08 20:03:18 +02:00
parent a63719407f
commit 9e94dbfcd0
12 changed files with 45 additions and 128 deletions

View File

@@ -830,13 +830,11 @@ static void intel_me_init(device_t dev)
static void intel_me_enable(device_t dev)
{
#if CONFIG_HAVE_ACPI_RESUME
/* Avoid talking to the device in S3 path */
if (acpi_slp_type == 3) {
if (acpi_is_wakeup_s3()) {
dev->enabled = 0;
pch_disable_devfn(dev);
}
#endif
}
static struct device_operations device_ops = {