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-rw-r--r--src/soc/intel/common/block/include/intelblocks/acpi.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/acpi.h b/src/soc/intel/common/block/include/intelblocks/acpi.h
index d76d95ab11..90d5e5e522 100644
--- a/src/soc/intel/common/block/include/intelblocks/acpi.h
+++ b/src/soc/intel/common/block/include/intelblocks/acpi.h
@@ -23,6 +23,16 @@ uint32_t soc_read_sci_irq_select(void);
/* Write the scis from soc specific register. */
void soc_write_sci_irq_select(uint32_t scis);
+/* _CST MWAIT resource used by cstate_map. */
+#define MWAIT_RES(state, sub_state) \
+ { \
+ .addrl = (((state) << 4) | (sub_state)), \
+ .space_id = ACPI_ADDRESS_SPACE_FIXED, \
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, \
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, \
+ .access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \
+ }
+
/*
* get_cstate_map returns a table of processor specific acpi_cstate_t entries
* and number of entries in the table