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/*
* Copyright (c) 2016, ARM Limited and Contributors. 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 ARM 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 <dram.h>
#include <plat_private.h>
#include <secure.h>
#include <soc.h>
#include <rk3399_def.h>
__sramdata struct rk3399_sdram_params sdram_config;
void dram_init(void)
{
uint32_t os_reg2_val, i;
os_reg2_val = mmio_read_32(PMUGRF_BASE + PMUGRF_OSREG(2));
sdram_config.dramtype = SYS_REG_DEC_DDRTYPE(os_reg2_val);
sdram_config.num_channels = SYS_REG_DEC_NUM_CH(os_reg2_val);
sdram_config.stride = (mmio_read_32(SGRF_BASE + SGRF_SOC_CON3_7(4)) >>
10) & 0x1f;
for (i = 0; i < 2; i++) {
struct rk3399_sdram_channel *ch = &sdram_config.ch[i];
struct rk3399_msch_timings *noc = &ch->noc_timings;
if (!(SYS_REG_DEC_CHINFO(os_reg2_val, i)))
continue;
ch->rank = SYS_REG_DEC_RANK(os_reg2_val, i);
ch->col = SYS_REG_DEC_COL(os_reg2_val, i);
ch->bk = SYS_REG_DEC_BK(os_reg2_val, i);
ch->bw = SYS_REG_DEC_BW(os_reg2_val, i);
ch->dbw = SYS_REG_DEC_DBW(os_reg2_val, i);
ch->row_3_4 = SYS_REG_DEC_ROW_3_4(os_reg2_val, i);
ch->cs0_row = SYS_REG_DEC_CS0_ROW(os_reg2_val, i);
ch->cs1_row = SYS_REG_DEC_CS1_ROW(os_reg2_val, i);
ch->ddrconfig = mmio_read_32(MSCH_BASE(i) + MSCH_DEVICECONF);
noc->ddrtiminga0.d32 = mmio_read_32(MSCH_BASE(i) +
MSCH_DDRTIMINGA0);
noc->ddrtimingb0.d32 = mmio_read_32(MSCH_BASE(i) +
MSCH_DDRTIMINGB0);
noc->ddrtimingc0.d32 = mmio_read_32(MSCH_BASE(i) +
MSCH_DDRTIMINGC0);
noc->devtodev0.d32 = mmio_read_32(MSCH_BASE(i) +
MSCH_DEVTODEV0);
noc->ddrmode.d32 = mmio_read_32(MSCH_BASE(i) + MSCH_DDRMODE);
noc->agingx0 = mmio_read_32(MSCH_BASE(i) + MSCH_AGINGX0);
}
}
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