From 31ed8856f9c6f06b8594f80b4abc39952ee84247 Mon Sep 17 00:00:00 2001
From: Marc Jones <marcjones@sysproconsulting.com>
Date: Fri, 15 Jan 2021 13:29:14 -0700
Subject: soc/intel/xeon_sp/acpi.c: Add ACPI C-State table

Add the soc ACPI _CST table.
The table may be customized to support the different state
combinations and set by the mainboard config.

Tested on deltalake with acpi_idle driver.
Note, intel_idle may not use ACPI _CST table.

Change-Id: I359daa9556edbe263ab0a7f1849c96c8fe1a0da0
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>
---
 src/soc/intel/xeon_sp/skx/chip.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/soc/intel/xeon_sp/skx')

diff --git a/src/soc/intel/xeon_sp/skx/chip.h b/src/soc/intel/xeon_sp/skx/chip.h
index 4ee1ac0a0d..b852c4a128 100644
--- a/src/soc/intel/xeon_sp/skx/chip.h
+++ b/src/soc/intel/xeon_sp/skx/chip.h
@@ -5,6 +5,7 @@
 
 #include <stdint.h>
 #include <intelblocks/cfg.h>
+#include <soc/acpi.h>
 #include <soc/gpio.h>
 #include <soc/irq.h>
 
@@ -73,6 +74,8 @@ struct soc_intel_xeon_sp_skx_config {
 
 	/* TCC activation offset */
 	uint32_t tcc_offset;
+
+	enum acpi_cstate_mode cstate_states;
 };
 
 typedef struct soc_intel_xeon_sp_skx_config config_t;
-- 
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