/* * *************************************************************************** * Copyright (C) 2016 Marvell International Ltd. * *************************************************************************** * * 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 Marvell 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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. * *************************************************************************** */ #include #include #include #include #include #include #include #include struct dram_config dram_cfg; /* * This function may modify the default DRAM parameters * based on information recieved from SPD or bootloader * configuration located on non volatile storage */ int update_dram_info(struct dram_config *cfg) { NOTICE("Gathering DRAM information\n"); return 0; } void *plat_get_dram_data(void) { /* Update DRAM for dynamic platforms */ update_dram_info(&dram_cfg); return &dram_cfg; } /* * This struct provides the DRAM training code with * the appropriate board DRAM configuration */ static struct mv_ddr_topology_map board_topology_map = { /* FIXME: Z0 board 1CS 8Gb x16 devices of micron - 2400P */ DEBUG_LEVEL_ERROR, 0x1, /* active interfaces */ /* cs_mask, mirror, dqs_swap, ck_swap X subphys */ { { { {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0}, {0x1, 0x0, 0, 0} }, SPEED_BIN_DDR_2400P, /* speed_bin */ MV_DDR_DEV_WIDTH_16BIT, /* sdram device width */ MV_DDR_DIE_CAP_8GBIT, /* die capacity */ DDR_FREQ_SAR, /* frequency */ 0, 0, /* cas_l, cas_wl */ MV_DDR_TEMP_LOW} }, /* temperature */ BUS_MASK_32BIT, /* subphys mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; struct mv_ddr_topology_map *mv_ddr_topology_map_get(void) { /* Return the board topology as defined in the board code */ return &board_topology_map; } struct dram_config *mv_ddr_dram_config_get(void) { /* Return dram configuration as defined in the board code */ return &dram_cfg; }