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#ifndef __CB_BDK_DRAM_CONFIG_H__
#define __CB_BDK_DRAM_CONFIG_H__
/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* 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 Cavium 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, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Functions for configuring DRAM.
*
* <hr>$Revision: 49448 $<hr>
*
* @defgroup dram DRAM related functions
* @{
*/
#if 0
/* FIXME(dhendrix): this was cavium's #include */
#include "../libdram/libdram.h"
#endif
#include <libdram/libdram.h>
/**
* Lookup a DRAM configuration by name and intialize dram with it
*
* @param node Node to configure
* @param ddr_clock_override
* If non zero, override the DRAM frequency specified in the config with
* this value
*
* @return Amount of DRAM in MB, or negative on failure
*/
extern int bdk_dram_config(int node, int ddr_clock_override);
/**
* Do DRAM configuration tuning
*
* @param node Node to tune
*
* @return Success or Fail
*/
extern int bdk_dram_tune(int node);
/**
* Do DRAM Margin all tests
*
* @param node Node to tune
*
* @return None
*/
extern void bdk_dram_margin(int node);
/**
* Get the amount of DRAM configured for a node. This is read from the LMC
* controller after DRAM is setup.
*
* @param node Node to query
*
* @return Size in megabytes
*/
extern uint64_t bdk_dram_get_size_mbytes(int node);
/**
* Return the string of info about the current node's DRAM configuration.
*
* @param node node to retrieve
*
* @return String or NULL
*/
extern const char* bdk_dram_get_info_string(int node);
/**
* Return the highest address currently used by the BDK. This address will
* be about 4MB above the top of the BDK to make sure small growths between the
* call and its use don't cause corruption. Any call to memory allocation can
* change this value.
*
* @return Size of the BDK in bytes
*/
extern uint64_t bdk_dram_get_top_of_bdk(void);
extern int __bdk_dram_get_num_lmc(bdk_node_t node);
extern int __bdk_dram_is_ddr4(bdk_node_t node, int lmc);
extern int __bdk_dram_is_rdimm(bdk_node_t node, int lmc);
extern uint32_t __bdk_dram_get_row_mask(bdk_node_t node, int lmc);
extern uint32_t __bdk_dram_get_col_mask(bdk_node_t node, int lmc);
extern int __bdk_dram_get_num_bank_bits(bdk_node_t node, int lmc);
/** @} */
#endif /* !__CB_BDK_DRAM_CONFIG_H__ */
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