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CBMEM ACPI: Move resume handler

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Handler is ACPI/x86 specific so move details out of cbmem code.

With static CBMEM initialisation, ramstage will need to test for
S3 wakeup condition so publish also acpi_is_wakeup().

Change-Id: If591535448cdd24a54262b534c1a828fc13da759
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4619
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2014-01-03 15:15:22 +02:00
parent 8526c3a403
commit cb28f3f8ed
7 changed files with 32 additions and 20 deletions
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8
src/arch/x86/boot/acpi.c
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@ -645,12 +645,18 @@ void acpi_resume(void *wake_vec)
/* This is to be filled by SB code - startup value what was found. */
u8 acpi_slp_type = 0;
static int acpi_is_wakeup(void)
int acpi_is_wakeup(void)
{
/* Both resume from S2 and resume from S3 restart at CPU reset */
return (acpi_slp_type == 3 || acpi_slp_type == 2);
}
void acpi_fail_wakeup(void)
{
if (acpi_slp_type == 3 || acpi_slp_type == 2)
acpi_slp_type = 0;
}
static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp)
{
if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0)