x86: Store and display previous sleep state
Add one member in the global data to store previous sleep state,
and display the state during boot in print_cpuinfo().
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index cc42cad..f2d50ac 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -82,6 +82,7 @@
int boot_mode = BOOT_FULL_CONFIG;
#ifdef CONFIG_HAVE_ACPI_RESUME
int prev_sleep_state = chipset_prev_sleep_state();
+ gd->arch.prev_sleep_state = prev_sleep_state;
#endif
if (!gd->arch.hob_list) {