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/*
* Copyright (C) 2015 Wadim Egorov, PHYTEC Messtechnik GmbH
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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.
*
*/
#ifndef __RAM_TIMINGS_H
#define __RAM_TIMINGS_H
struct am335x_sdram_timings {
struct am33xx_emif_regs regs;
struct am33xx_ddr_data data;
};
enum {
PHYFLEX_MT41K128M16JT_256MB,
PHYFLEX_MT41K256M16HA_512MB,
PHYCORE_MT41J128M16125IT_256MB,
PHYCORE_MT41J64M1615IT_128MB,
PHYCORE_MT41J256M16HA15EIT_512MB,
PHYCORE_MT41J512M8125IT_2x512MB,
PHYCARD_NT5CB128M16BP_256MB,
};
struct am335x_sdram_timings physom_timings[] = {
/* 256 MB */
[PHYFLEX_MT41K128M16JT_256MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAD4DB,
.emif_tim2 = 0x26437FDA,
.emif_tim3 = 0x501F83FF,
.sdram_config = 0x61C052B2,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30,
},
.data = {
.rd_slave_ratio0 = 0x34,
.wr_dqs_slave_ratio0 = 0x47,
.fifo_we_slave_ratio0 = 0x9a,
.wr_slave_ratio0 = 0x7e,
.use_rank0_delay = 0x0,
.dll_lock_diff0 = 0x0,
},
},
/* 512 MB */
[PHYFLEX_MT41K256M16HA_512MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAE4DB,
.emif_tim2 = 0x266B7FDA,
.emif_tim3 = 0x501F867F,
.sdram_config = 0x61C05332,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30,
},
.data = {
.rd_slave_ratio0 = 0x36,
.wr_dqs_slave_ratio0 = 0x47,
.fifo_we_slave_ratio0 = 0x95,
.wr_slave_ratio0 = 0x7f,
.use_rank0_delay = 0x0,
.dll_lock_diff0 = 0x0,
},
},
/* 256MB */
[PHYCORE_MT41J128M16125IT_256MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAD4DB,
.emif_tim2 = 0x26437FDA,
.emif_tim3 = 0x501F83FF,
.sdram_config = 0x61C052B2,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30,
},
.data = {
.rd_slave_ratio0 = 0x3B,
.wr_dqs_slave_ratio0 = 0x33,
.fifo_we_slave_ratio0 = 0x9c,
.wr_slave_ratio0 = 0x6f,
},
},
/* 128MB */
[PHYCORE_MT41J64M1615IT_128MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAE4DB,
.emif_tim2 = 0x262F7FDA,
.emif_tim3 = 0x501F82BF,
.sdram_config = 0x61C05232,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30,
},
.data = {
.rd_slave_ratio0 = 0x38,
.wr_dqs_slave_ratio0 = 0x34,
.fifo_we_slave_ratio0 = 0xA2,
.wr_slave_ratio0 = 0x72,
},
},
/* 512MB */
[PHYCORE_MT41J256M16HA15EIT_512MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAE4DB,
.emif_tim2 = 0x266B7FDA,
.emif_tim3 = 0x501F867F,
.sdram_config = 0x61C05332,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30
},
.data = {
.rd_slave_ratio0 = 0x35,
.wr_dqs_slave_ratio0 = 0x43,
.fifo_we_slave_ratio0 = 0x97,
.wr_slave_ratio0 = 0x7b,
},
},
/* 1024MB */
[PHYCORE_MT41J512M8125IT_2x512MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAE4DB,
.emif_tim2 = 0x266B7FDA,
.emif_tim3 = 0x501F867F,
.sdram_config = 0x61C053B2,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30
},
.data = {
.rd_slave_ratio0 = 0x32,
.wr_dqs_slave_ratio0 = 0x48,
.fifo_we_slave_ratio0 = 0x99,
.wr_slave_ratio0 = 0x80,
},
},
/* 256MB */
[PHYCARD_NT5CB128M16BP_256MB] = {
.regs = {
.emif_read_latency = 0x7,
.emif_tim1 = 0x0AAAD4DB,
.emif_tim2 = 0x26437FDA,
.emif_tim3 = 0x501F83FF,
.sdram_config = 0x61C052B2,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x00000C30,
},
.data = {
.rd_slave_ratio0 = 0x35,
.wr_dqs_slave_ratio0 = 0x3A,
.fifo_we_slave_ratio0 = 0x9b,
.wr_slave_ratio0 = 0x73,
.use_rank0_delay = 0x01,
.dll_lock_diff0 = 0x0,
},
},
};
#endif
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