1 files changed, 88 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/baytrail/mrc_wrapper.h b/src/soc/intel/baytrail/baytrail/mrc_wrapper.h
new file mode 100644
index 0000000000..556746bb53
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+++ b/src/soc/intel/baytrail/baytrail/mrc_wrapper.h
@@ -0,0 +1,88 @@
+/*
+ * MRC wrapper definitions
+ *
+ * Copyright 2013 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Google Inc. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _MRC_WRAPPER_H_
+#define _MRC_WRAPPER_H_
+
+#define MRC_PARAMS_VER  1
+
+#define NUM_CHANNELS 2
+
+enum {
+	DRAM_INFO_SPD_SMBUS, /* Use the typical SPD smbus access. */
+	DRAM_INFO_SPD_MEM,   /* SPD info in memory. */
+	DRAM_INFO_DETAILED,  /* Timing info not in SPD format. */
+};
+
+enum dram_type {
+	DRAM_DDR3,
+	DRAM_DDR3L,
+	DRAM_LPDDR3,
+};
+
+/* Errors returned by the MRC wrapper. */
+enum mrc_wrapper_error {
+	INVALID_VER = -1,
+	INVALID_DRAM_TYPE = -2,
+	INVALID_SLEEP_MODE = -3,
+	PLATFORM_SETTINGS_FAIL = -4,
+	DIMM_DETECTION_FAILURE = -5,
+	MEMORY_CONFIG_FAILURE = -6,
+};
+
+struct mrc_mainboard_params {
+	int dram_type;
+	int dram_info_location; /* DRAM_INFO_* */
+	int spd_addrs[NUM_CHANNELS];
+	void *dram_data[NUM_CHANNELS]; /* SPD or Timing specific data. */
+} __attribute__((packed));
+
+struct mrc_params {
+	/* Mainboard Inputs */
+	int version;
+
+	struct mrc_mainboard_params mainboard;
+
+	void (*console_out)(unsigned char byte);
+
+	int prev_sleep_state;
+
+	int saved_data_size;
+	const void *saved_data;
+
+	int txe_size_mb; /* TXE memory size in megabytes. */
+
+	/* Outputs */
+	void *txe_base_address;
+	int data_to_save_size;
+	void *data_to_save;
+} __attribute__((packed));
+
+/* Call into wrapper. */
+typedef int (*mrc_wrapper_entry_t)(struct mrc_params *);
+
+#endif /* _MRC_WRAPPER_H_ */