Patrick Georgi submitted this change.

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mb/google/dedede: Add support for variant specific SMI sleep flow

This support is required to power off certain components that exist only
in certain variants.

BUG=None
TEST=Build and boot Boten to OS.

Change-Id: Ib43ada784666919a4d26246a683dad7f3546fabb
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44587
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Peichao Wang <pwang12@lenovo.corp-partner.google.com>
Reviewed-by: Marco Chen <marcochen@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
---
M src/mainboard/google/dedede/smihandler.c
M src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/mainboard/google/dedede/smihandler.c b/src/mainboard/google/dedede/smihandler.c
index 20f0207..c50578d 100644
--- a/src/mainboard/google/dedede/smihandler.c
+++ b/src/mainboard/google/dedede/smihandler.c
@@ -21,6 +21,8 @@
 	pads = variant_sleep_gpio_table(&num);
 	gpio_configure_pads(pads, num);
 
+	variant_smi_sleep(slp_typ);
+
 	chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
 				MAINBOARD_EC_S5_WAKE_EVENTS);
 }
@@ -41,3 +43,7 @@
 {
 	chromeec_smi_process_events();
 }
+
+void __weak variant_smi_sleep(u8 slp_typ)
+{
+}
diff --git a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
index bb41e45..e7bfd86 100644
--- a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
@@ -36,4 +36,7 @@
  */
 bool variant_mem_is_half_populated(void);
 
+/* Allow each variants to customize SMI sleep flow. */
+void variant_smi_sleep(u8 slp_typ);
+
 #endif /*__BASEBOARD_VARIANTS_H__ */

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