[WIP] ec/google/chromeec: Check lid status at boot

Change-Id: I2ddd43e76850ac910e343e66ebc8b5c014ae0c5f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>

Author: MrChromebox

src/ec/google/chromeec/ec.c

@@ -17,6 +17,7 @@
 #include <security/vboot/vboot_common.h>
 #include <stdlib.h>
 #include <timer.h>
+#include <bootblock_common.h>
 
 #include "ec.h"
 
@@ -1441,6 +1442,23 @@ int google_chromeec_get_pd_port_caps(int port,
 	return 0;
 }
 
+static void google_chromeec_check_lid(void)
+{
+	/* Check lid state - this should be called at the end of bootblock */
+	if (!acpi_is_wakeup_s3() && !(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN)) {
+		/* On cold boot with lid closed, power off */
+		printk(BIOS_INFO, "EC: Lid is closed, powering off\n");
+		poweroff();
+	}
+}
+
+
+void bootblock_ec_init(void)
+{
+	google_chromeec_check_lid();
+
+}
+
 void google_chromeec_init(void)
 {
 	google_chromeec_log_uptimeinfo();

src/include/bootblock_common.h

@@ -18,6 +18,7 @@ void bootblock_mainboard_early_init(void);
 void bootblock_mainboard_init(void);
 void bootblock_soc_early_init(void);
 void bootblock_soc_init(void);
+void bootblock_ec_init(void);
 
 /*
  * C code entry point for the boot block.

src/lib/bootblock.c

@@ -17,6 +17,7 @@ __weak void bootblock_mainboard_early_init(void) { /* no-op */ }
 __weak void bootblock_soc_early_init(void) { /* do nothing */ }
 __weak void bootblock_soc_init(void) { /* do nothing */ }
 __weak void bootblock_mainboard_init(void) { /* do nothing */ }
+__weak void bootblock_ec_init(void) { /* do nothing */ }
 
 /*
  * This is a the same as the bootblock main(), with the difference that it does
@@ -58,6 +59,9 @@ void bootblock_main_with_timestamp(uint64_t base_timestamp,
 	bootblock_soc_init();
 	bootblock_mainboard_init();
 
+	/* Call EC initialization hook (weak function, can be overridden by mainboard) */
+	bootblock_ec_init();
+
 	if (CONFIG(TPM_MEASURED_BOOT_INIT_BOOTBLOCK)) {
 		bool s3resume = acpi_is_wakeup_s3();
 		tpm_setup(s3resume);