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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Rockchip Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __SOC_ROCKCHIP_RK3288_SDRAM_H__
#define __SOC_ROCKCHIP_RK3288_SDRAM_H__
#include <arch/io.h>
enum {
DDR3 = 3,
LPDDR3 = 6,
UNUSED = 0xFF,
};
struct rk3288_sdram_channel {
u8 rank;
u8 col;
u8 bk;
u8 bw;
u8 dbw;
u8 row_3_4;
u8 cs0_row;
u8 cs1_row;
};
struct rk3288_sdram_pctl_timing {
u32 togcnt1u;
u32 tinit;
u32 trsth;
u32 togcnt100n;
u32 trefi;
u32 tmrd;
u32 trfc;
u32 trp;
u32 trtw;
u32 tal;
u32 tcl;
u32 tcwl;
u32 tras;
u32 trc;
u32 trcd;
u32 trrd;
u32 trtp;
u32 twr;
u32 twtr;
u32 texsr;
u32 txp;
u32 txpdll;
u32 tzqcs;
u32 tzqcsi;
u32 tdqs;
u32 tcksre;
u32 tcksrx;
u32 tcke;
u32 tmod;
u32 trstl;
u32 tzqcl;
u32 tmrr;
u32 tckesr;
u32 tdpd;
};
check_member(rk3288_sdram_pctl_timing, tdpd, 0x144 - 0xc0);
struct rk3288_sdram_phy_timing {
u32 dtpr0;
u32 dtpr1;
u32 dtpr2;
u32 mr[4];
};
struct rk3288_sdram_params {
struct rk3288_sdram_channel ch[2];
struct rk3288_sdram_pctl_timing pctl_timing;
struct rk3288_sdram_phy_timing phy_timing;
u32 noc_timing;
u32 noc_activate;
u32 ddrconfig;
u32 ddr_freq;
u8 dramtype;
u8 num_channels;
u8 stride;
u8 odt;
};
void sdram_init(const struct rk3288_sdram_params *sdram_params);
u32 sdram_get_ram_code(void);
const struct rk3288_sdram_params *get_sdram_config(void);
#endif
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