soc/mediatek: Extract dramc_param_header to a common header

To be shared with different SOCs, move the dramc_param_header struct
as well DRAMC_PARAM_FLAG and DRAMC_PARAM_CONFIG enums to a common
header file dramc_param_common.h.

TEST=fast calibration pass
BUG=b:204226005

Signed-off-by: Xi Chen <xixi.chen@mediatek.corp-partner.google.com>
Change-Id: I087971799803e47e34c30063b2b0bd0cfc5795ac
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61132
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

4 files changed, 34 insertions, 36 deletions

diff --git a/src/soc/mediatek/common/include/soc/dramc_param_common.h b/src/soc/mediatek/common/include/soc/dramc_param_common.h
new file mode 100644
index 000000000000..1b68d61d0905
--- /dev/null
+++ b/src/soc/mediatek/common/include/soc/dramc_param_common.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_DRAMC_PARAM_COMMON_H__
+#define __SOC_MEDIATEK_DRAMC_PARAM_COMMON_H__
+
+/*
+ * NOTE: This file is shared between coreboot and dram blob. Any change in this
+ * file should be synced to the other repository.
+ */
+
+enum DRAMC_PARAM_FLAG {
+	DRAMC_FLAG_HAS_SAVED_DATA	= 0x0001,
+};
+
+enum DRAMC_PARAM_CONFIG {
+	DRAMC_CONFIG_EMCP		= 0x0001,
+	DRAMC_CONFIG_DVFS		= 0x0002,
+	DRAMC_CONFIG_FAST_K		= 0x0004,
+};
+
+struct dramc_param_header {
+	u16 version;	/* DRAMC_PARAM_HEADER_VERSION, set in coreboot */
+	u16 size;	/* size of whole dramc_param, set in coreboot */
+	u16 status;	/* DRAMC_PARAM_STATUS_CODES, set in dram blob */
+	u16 flags;	/* DRAMC_PARAM_FLAG, set in dram blob */
+	u16 config;	/* DRAMC_PARAM_CONFIG, set in coreboot */
+};
+
+#endif
diff --git a/src/soc/mediatek/mt8186/include/soc/dramc_param.h b/src/soc/mediatek/mt8186/include/soc/dramc_param.h
index 81f518f223d1..5559b0a914cf 100644
--- a/src/soc/mediatek/mt8186/include/soc/dramc_param.h
+++ b/src/soc/mediatek/mt8186/include/soc/dramc_param.h
@@ -10,6 +10,7 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <soc/dramc_param_common.h>
 #include <soc/dramc_soc.h>
 
 #define DRAMC_PARAM_HEADER_VERSION 1
@@ -27,10 +28,6 @@ enum DRAMC_PARAM_STATUS_CODES {
 	DRAMC_ERR_FAST_CALIBRATION,
 };
 
-enum DRAMC_PARAM_FLAGS {
-	DRAMC_FLAG_HAS_SAVED_DATA = 0x0001,
-};
-
 enum SDRAM_DVFS_FLAG {
 	DRAMC_DISABLE_DVFS,
 	DRAMC_ENABLE_DVFS,
@@ -56,14 +53,6 @@ enum SDRAM_VOLTAGE_TYPE {
 	SDRAM_VOLTAGE_LVCORE_LVDRAM,
 };
 
-struct dramc_param_header {
-	u16 version;	/* DRAMC_PARAM_HEADER_VERSION, update in the coreboot */
-	u16 size;	/* size of whole dramc_param, update in the coreboot */
-	u16 status;	/* DRAMC_PARAM_STATUS_CODES, update in the dram blob */
-	u16 flags;	/* DRAMC_PARAM_FLAGS, update in the dram blob */
-	u16 config;	/* DRAMC_PARAM_CONFIG, set in coreboot */
-};
-
 struct sdram_info {
 	u32 ddr_type;			/* SDRAM_DDR_TYPE */
 	u32 ddr_geometry;		/* SDRAM_DDR_GEOMETRY_TYPE */
diff --git a/src/soc/mediatek/mt8192/include/soc/dramc_param.h b/src/soc/mediatek/mt8192/include/soc/dramc_param.h
index 7d6efda40f3f..09501b0ca5b7 100644
--- a/src/soc/mediatek/mt8192/include/soc/dramc_param.h
+++ b/src/soc/mediatek/mt8192/include/soc/dramc_param.h
@@ -10,9 +10,10 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <soc/dramc_param_common.h>
 #include <soc/dramc_soc.h>
 
-#define DRAMC_PARAM_HEADER_VERSION 6
+#define DRAMC_PARAM_HEADER_VERSION 7
 
 enum DRAMC_PARAM_STATUS_CODES {
 	DRAMC_SUCCESS = 0,
@@ -27,10 +28,6 @@ enum DRAMC_PARAM_STATUS_CODES {
 	DRAMC_ERR_FAST_CALIBRATION,
 };
 
-enum DRAMC_PARAM_FLAGS {
-	DRAMC_FLAG_HAS_SAVED_DATA = 0x0001,
-};
-
 enum SDRAM_DVFS_FLAG {
 	DRAMC_DISABLE_DVFS,
 	DRAMC_ENABLE_DVFS,
@@ -56,13 +53,6 @@ enum SDRAM_VOLTAGE_TYPE {
 	SDRAM_VOLTAGE_LVCORE_LVDRAM,
 };
 
-struct dramc_param_header {
-	u16 version;	/* DRAMC_PARAM_HEADER_VERSION, update in the coreboot */
-	u16 size;	/* size of whole dramc_param, update in the coreboot */
-	u16 status;	/* DRAMC_PARAM_STATUS_CODES, update in the dram blob */
-	u16 flags;	/* DRAMC_PARAM_FLAGS, update in the dram blob */
-};
-
 struct sdram_info {
 	u32 ddr_type;			/* SDRAM_DDR_TYPE */
 	u32 ddr_geometry;		/* SDRAM_DDR_GEOMETRY_TYPE */
diff --git a/src/soc/mediatek/mt8195/include/soc/dramc_param.h b/src/soc/mediatek/mt8195/include/soc/dramc_param.h
index 0e1b62c9ea4c..bfa5f8d2e68c 100644
--- a/src/soc/mediatek/mt8195/include/soc/dramc_param.h
+++ b/src/soc/mediatek/mt8195/include/soc/dramc_param.h
@@ -10,9 +10,10 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <soc/dramc_param_common.h>
 #include <soc/dramc_soc.h>
 
-#define DRAMC_PARAM_HEADER_VERSION 7
+#define DRAMC_PARAM_HEADER_VERSION 8
 
 enum DRAMC_PARAM_STATUS_CODES {
 	DRAMC_SUCCESS = 0,
@@ -27,10 +28,6 @@ enum DRAMC_PARAM_STATUS_CODES {
 	DRAMC_ERR_FAST_CALIBRATION,
 };
 
-enum DRAMC_PARAM_FLAGS {
-	DRAMC_FLAG_HAS_SAVED_DATA = 0x0001,
-};
-
 enum SDRAM_DVFS_FLAG {
 	DRAMC_DISABLE_DVFS,
 	DRAMC_ENABLE_DVFS,
@@ -56,13 +53,6 @@ enum SDRAM_VOLTAGE_TYPE {
 	SDRAM_VOLTAGE_LVCORE_LVDRAM,
 };
 
-struct dramc_param_header {
-	u16 version;	/* DRAMC_PARAM_HEADER_VERSION, update in the coreboot */
-	u16 size;	/* size of whole dramc_param, update in the coreboot */
-	u16 status;	/* DRAMC_PARAM_STATUS_CODES, update in the dram blob */
-	u16 flags;	/* DRAMC_PARAM_FLAGS, update in the dram blob */
-};
-
 struct sdram_info {
 	u32 ddr_type;			/* SDRAM_DDR_TYPE */
 	u32 ddr_geometry;		/* SDRAM_DDR_GEOMETRY_TYPE */