[coreboot-gerrit] Change in coreboot[master]: soc/intel/cannonlake: Create acpi_get_sleep_type() to get previous sl...

[Subrata Banik (Code Review)]

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/21988


Change subject: soc/intel/cannonlake: Create acpi_get_sleep_type() to get previous sleep state
......................................................................

soc/intel/cannonlake: Create acpi_get_sleep_type() to get previous sleep state

This patch implements soc function to get previous sleep state
using chipset_power_state global structure.

acpi_get_sleep_type is needed in PRE_RAM stage when soc selects
CONFIG_EARLY_EBDA_INIT kconfig option.

Change-Id: Ib9f8bdc1c682807450b6c01941b9a0927789b2d8
Signed-off-by: Subrata Banik <subrata.banik at intel.com>
---
M src/soc/intel/cannonlake/romstage/power_state.c
1 file changed, 14 insertions(+), 1 deletion(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/21988/1

diff --git a/src/soc/intel/cannonlake/romstage/power_state.c b/src/soc/intel/cannonlake/romstage/power_state.c
index 46048db..f33e552 100644
--- a/src/soc/intel/cannonlake/romstage/power_state.c
+++ b/src/soc/intel/cannonlake/romstage/power_state.c
@@ -26,12 +26,25 @@
 
 static struct chipset_power_state power_state CAR_GLOBAL;
 
+static struct chipset_power_state *get_power_state(void)
+{
+	return car_get_var_ptr(&power_state);
+}
+
+int acpi_get_sleep_type(void)
+{
+	struct chipset_power_state *ps;
+
+	ps = get_power_state();
+	return ps->prev_sleep_state;
+}
+
 static void migrate_power_state(int is_recovery)
 {
 	struct chipset_power_state *ps_cbmem;
 	struct chipset_power_state *ps_car;
 
-	ps_car = car_get_var_ptr(&power_state);
+	ps_car = get_power_state();
 	ps_cbmem = cbmem_add(CBMEM_ID_POWER_STATE, sizeof(*ps_cbmem));
 
 	if (ps_cbmem == NULL) {

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib9f8bdc1c682807450b6c01941b9a0927789b2d8
Gerrit-Change-Number: 21988
Gerrit-PatchSet: 1
Gerrit-Owner: Subrata Banik <subrata.banik at intel.com>
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