diff options
Diffstat (limited to 'src/vendorcode/cavium/include/bdk/libbdk-dram/bdk-dram-config.h')
| -rw-r--r-- | src/vendorcode/cavium/include/bdk/libbdk-dram/bdk-dram-config.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/include/bdk/libbdk-dram/bdk-dram-config.h b/src/vendorcode/cavium/include/bdk/libbdk-dram/bdk-dram-config.h new file mode 100644 index 0000000000..84488597b4 --- /dev/null +++ b/src/vendorcode/cavium/include/bdk/libbdk-dram/bdk-dram-config.h @@ -0,0 +1,118 @@ +/***********************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 + * @{ + */ +#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); + +/** @} */ |