Before jumping to OS waking up vector, we need turn on ACPI mode for S3, just like what we do for a normal boot.
Signed-off-by: Bin Meng <bmeng...@gmail.com> --- arch/x86/lib/acpi_s3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/lib/acpi_s3.c b/arch/x86/lib/acpi_s3.c index e5cc3b0..0b62b75 100644 --- a/arch/x86/lib/acpi_s3.c +++ b/arch/x86/lib/acpi_s3.c @@ -24,6 +24,9 @@ void acpi_resume(struct acpi_fadt *fadt) { void *wake_vec; + /* Turn on ACPI mode for S3 */ + enter_acpi_mode(fadt->pm1a_cnt_blk); + wake_vec = acpi_find_wakeup_vector(fadt); post_code(POST_OS_RESUME); -- 2.9.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot