sb,soc/intel: Add wake source fields in GNVS

For the moment, these are most not used but become a necessity
for a unified <soc/nvs.h> approach.

They would be required for the implementation of _SWS method
for OSPM to determine the reason for system waking up. The related
hardware registers are present with these platforms.

It's expected that ACPI power-management related GNVS entries are
grouped together to form a single struct in later works.

Change-Id: I6d31d39ac1017cd6fdf0ac66b418d1fbb1edf8e0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50193
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/southbridge/intel/lynxpoint/include/soc/nvs.h b/src/southbridge/intel/lynxpoint/include/soc/nvs.h
index 17ded13589..7db206e6e9 100644
--- a/src/southbridge/intel/lynxpoint/include/soc/nvs.h
+++ b/src/southbridge/intel/lynxpoint/include/soc/nvs.h
@@ -73,6 +73,10 @@ struct __packed global_nvs {
 	u32	s0b[8]; /* 0x60 - 0x7f - BAR0 */
 	u32	s1b[8]; /* 0x80 - 0x9f - BAR1 */
 	u32	cbmc;   /* 0xa0 - 0xa3 - coreboot memconsole */
+
+	/* Required for future unified acpi_save_wake_source. */
+	u32	pm1i;
+	u32	gpei;
 };
 
 #endif /* SOUTHBRIDGE_INTEL_LYNXPOINT_NVS_H */