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u-boot-brain/drivers/ddr/marvell/a38x/ddr3_training_db.c
Chris Packham 672e559830 ddr: marvell: update ddr controller init and freq 
Update the calculation for tWR and tPD. This improves the DDR refresh
interval and brings the initialization into line with the binary blobs
currently being supplied by Marvell.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
2018-01-19 16:30:29 +01:00

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/*
* Copyright (C) Marvell International Ltd. and its affiliates
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include "ddr3_init.h"
/* List of allowed frequency listed in order of enum hws_ddr_freq */
u32 freq_val[DDR_FREQ_LIMIT] = {
0, /*DDR_FREQ_LOW_FREQ */
400, /*DDR_FREQ_400, */
533, /*DDR_FREQ_533, */
666, /*DDR_FREQ_667, */
800, /*DDR_FREQ_800, */
933, /*DDR_FREQ_933, */
1066, /*DDR_FREQ_1066, */
311, /*DDR_FREQ_311, */
333, /*DDR_FREQ_333, */
467, /*DDR_FREQ_467, */
850, /*DDR_FREQ_850, */
600, /*DDR_FREQ_600 */
300, /*DDR_FREQ_300 */
900, /*DDR_FREQ_900 */
360, /*DDR_FREQ_360 */
1000 /*DDR_FREQ_1000 */
};
/* Table for CL values per frequency for each speed bin index */
struct cl_val_per_freq cas_latency_table[] = {
/*
* 400M 667M 933M 311M 467M 600M 360
* 100M 533M 800M 1066M 333M 850M 900
* 1000 (the order is 100, 400, 533 etc.)
*/
/* DDR3-800D */
{ {6, 5, 0, 0, 0, 0, 0, 5, 5, 0, 0, 0, 5, 0, 5, 0} },
/* DDR3-800E */
{ {6, 6, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 6, 0, 6, 0} },
/* DDR3-1066E */
{ {6, 5, 6, 0, 0, 0, 0, 5, 5, 6, 0, 0, 5, 0, 5, 0} },
/* DDR3-1066F */
{ {6, 6, 7, 0, 0, 0, 0, 6, 6, 7, 0, 0, 6, 0, 6, 0} },
/* DDR3-1066G */
{ {6, 6, 8, 0, 0, 0, 0, 6, 6, 8, 0, 0, 6, 0, 6, 0} },
/* DDR3-1333F* */
{ {6, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1333G */
{ {6, 5, 7, 8, 0, 0, 0, 5, 5, 7, 0, 8, 5, 0, 5, 0} },
/* DDR3-1333H */
{ {6, 6, 8, 9, 0, 0, 0, 6, 6, 8, 0, 9, 6, 0, 6, 0} },
/* DDR3-1333J* */
{ {6, 6, 8, 10, 0, 0, 0, 6, 6, 8, 0, 10, 6, 0, 6, 0}
/* DDR3-1600G* */},
{ {6, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600H */
{ {6, 5, 6, 8, 9, 0, 0, 5, 5, 6, 0, 8, 5, 0, 5, 0} },
/* DDR3-1600J */
{ {6, 5, 7, 9, 10, 0, 0, 5, 5, 7, 0, 9, 5, 0, 5, 0} },
/* DDR3-1600K */
{ {6, 6, 8, 10, 11, 0, 0, 6, 6, 8, 0, 10, 6, 0, 6, 0 } },
/* DDR3-1866J* */
{ {6, 5, 6, 8, 9, 11, 0, 5, 5, 6, 11, 8, 5, 0, 5, 0} },
/* DDR3-1866K */
{ {6, 5, 7, 8, 10, 11, 0, 5, 5, 7, 11, 8, 5, 11, 5, 11} },
/* DDR3-1866L */
{ {6, 6, 7, 9, 11, 12, 0, 6, 6, 7, 12, 9, 6, 12, 6, 12} },
/* DDR3-1866M* */
{ {6, 6, 8, 10, 11, 13, 0, 6, 6, 8, 13, 10, 6, 13, 6, 13} },
/* DDR3-2133K* */
{ {6, 5, 6, 7, 9, 10, 11, 5, 5, 6, 10, 7, 5, 11, 5, 11} },
/* DDR3-2133L */
{ {6, 5, 6, 8, 9, 11, 12, 5, 5, 6, 11, 8, 5, 12, 5, 12} },
/* DDR3-2133M */
{ {6, 5, 7, 9, 10, 12, 13, 5, 5, 7, 12, 9, 5, 13, 5, 13} },
/* DDR3-2133N* */
{ {6, 6, 7, 9, 11, 13, 14, 6, 6, 7, 13, 9, 6, 14, 6, 14} },
/* DDR3-1333H-ext */
{ {6, 6, 7, 9, 0, 0, 0, 6, 6, 7, 0, 9, 6, 0, 6, 0} },
/* DDR3-1600K-ext */
{ {6, 6, 7, 9, 11, 0, 0, 6, 6, 7, 0, 9, 6, 0, 6, 0} },
/* DDR3-1866M-ext */
{ {6, 6, 7, 9, 11, 13, 0, 6, 6, 7, 13, 9, 6, 13, 6, 13} },
};
/* Table for CWL values per speedbin index */
struct cl_val_per_freq cas_write_latency_table[] = {
/*
* 400M 667M 933M 311M 467M 600M 360
* 100M 533M 800M 1066M 333M 850M 900
* (the order is 100, 400, 533 etc.)
*/
/* DDR3-800D */
{ {5, 5, 0, 0, 0, 0, 0, 5, 5, 0, 0, 0, 5, 0, 5, 0} },
/* DDR3-800E */
{ {5, 5, 0, 0, 0, 0, 0, 5, 5, 0, 0, 0, 5, 0, 5, 0} },
/* DDR3-1066E */
{ {5, 5, 6, 0, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1066F */
{ {5, 5, 6, 0, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1066G */
{ {5, 5, 6, 0, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1333F* */
{ {5, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1333G */
{ {5, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1333H */
{ {5, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1333J* */
{ {5, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600G* */
{ {5, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600H */
{ {5, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600J */
{ {5, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600K */
{ {5, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1866J* */
{ {5, 5, 6, 7, 8, 9, 0, 5, 5, 6, 9, 7, 5, 0, 5, 0} },
/* DDR3-1866K */
{ {5, 5, 6, 7, 8, 9, 0, 5, 5, 6, 9, 7, 5, 0, 5, 0} },
/* DDR3-1866L */
{ {5, 5, 6, 7, 8, 9, 0, 5, 5, 6, 9, 7, 5, 9, 5, 9} },
/* DDR3-1866M* */
{ {5, 5, 6, 7, 8, 9, 0, 5, 5, 6, 9, 7, 5, 9, 5, 9} },
/* DDR3-2133K* */
{ {5, 5, 6, 7, 8, 9, 10, 5, 5, 6, 9, 7, 5, 9, 5, 10} },
/* DDR3-2133L */
{ {5, 5, 6, 7, 8, 9, 10, 5, 5, 6, 9, 7, 5, 9, 5, 10} },
/* DDR3-2133M */
{ {5, 5, 6, 7, 8, 9, 10, 5, 5, 6, 9, 7, 5, 9, 5, 10} },
/* DDR3-2133N* */
{ {5, 5, 6, 7, 8, 9, 10, 5, 5, 6, 9, 7, 5, 9, 5, 10} },
/* DDR3-1333H-ext */
{ {5, 5, 6, 7, 0, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1600K-ext */
{ {5, 5, 6, 7, 8, 0, 0, 5, 5, 6, 0, 7, 5, 0, 5, 0} },
/* DDR3-1866M-ext */
{ {5, 5, 6, 7, 8, 9, 0, 5, 5, 6, 9, 7, 5, 9, 5, 9} },
};
u8 twr_mask_table[] = {
10,
10,
10,
10,
10,
1, /*5*/
2, /*6*/
3, /*7*/
4, /*8*/
10,
5, /*10*/
10,
6, /*12*/
10,
7, /*14*/
10,
0 /*16*/
};
u8 cl_mask_table[] = {
0,
0,
0,
0,
0,
0x2,
0x4,
0x6,
0x8,
0xa,
0xc,
0xe,
0x1,
0x3,
0x5,
0x5
};
u8 cwl_mask_table[] = {
0,
0,
0,
0,
0,
0,
0x1,
0x2,
0x3,
0x4,
0x5,
0x6,
0x7,
0x8,
0x9,
0x9
};
/* RFC values (in ns) */
u16 rfc_table[] = {
90, /* 512M */
110, /* 1G */
160, /* 2G */
260, /* 4G */
350 /* 8G */
};
u32 speed_bin_table_t_rc[] = {
50000,
52500,
48750,
50625,
52500,
46500,
48000,
49500,
51000,
45000,
46250,
47500,
48750,
44700,
45770,
46840,
47910,
43285,
44220,
45155,
46900
};
u32 speed_bin_table_t_rcd_t_rp[] = {
12500,
15000,
11250,
13125,
15000,
10500,
12000,
13500,
15000,
10000,
11250,
12500,
13750,
10700,
11770,
12840,
13910,
10285,
11022,
12155,
13090,
};
enum {
PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_AGGRESSOR = 0,
PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM
};
static u8 pattern_killer_pattern_table_map[KILLER_PATTERN_LENGTH * 2][2] = {
/*Aggressor / Victim */
{1, 0},
{0, 0},
{1, 0},
{1, 1},
{0, 1},
{0, 1},
{1, 0},
{0, 1},
{1, 0},
{0, 1},
{1, 0},
{1, 0},
{0, 1},
{1, 0},
{0, 1},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{1, 0},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{0, 0},
{0, 0},
{0, 0},
{0, 1},
{0, 1},
{1, 1},
{0, 0},
{0, 0},
{1, 1},
{1, 1},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{1, 1},
{0, 0},
{0, 0},
{1, 1},
{0, 0},
{1, 1},
{0, 1},
{0, 0},
{0, 1},
{0, 1},
{0, 0},
{1, 1},
{1, 1},
{1, 0},
{1, 0},
{1, 1},
{1, 1},
{1, 1},
{1, 1},
{1, 1},
{1, 1},
{1, 1}
};
static u8 pattern_vref_pattern_table_map[] = {
/* 1 means 0xffffffff, 0 is 0x0 */
0xb8,
0x52,
0x55,
0x8a,
0x33,
0xa6,
0x6d,
0xfe
};
/* Return speed Bin value for selected index and t* element */
u32 speed_bin_table(u8 index, enum speed_bin_table_elements element)
{
u32 result = 0;
switch (element) {
case SPEED_BIN_TRCD:
case SPEED_BIN_TRP:
result = speed_bin_table_t_rcd_t_rp[index];
break;
case SPEED_BIN_TRAS:
if (index < 6)
result = 37500;
else if (index < 10)
result = 36000;
else if (index < 14)
result = 35000;
else if (index < 18)
result = 34000;
else
result = 33000;
break;
case SPEED_BIN_TRC:
result = speed_bin_table_t_rc[index];
break;
case SPEED_BIN_TRRD1K:
if (index < 3)
result = 10000;
else if (index < 6)
result = 7005;
else if (index < 14)
result = 6000;
else
result = 5000;
break;
case SPEED_BIN_TRRD2K:
if (index < 6)
result = 10000;
else if (index < 14)
result = 7005;
else
result = 6000;
break;
case SPEED_BIN_TPD:
if (index < 3)
result = 7500;
else if (index < 10)
result = 5625;
else
result = 5000;
break;
case SPEED_BIN_TFAW1K:
if (index < 3)
result = 40000;
else if (index < 6)
result = 37500;
else if (index < 14)
result = 30000;
else if (index < 18)
result = 27000;
else
result = 25000;
break;
case SPEED_BIN_TFAW2K:
if (index < 6)
result = 50000;
else if (index < 10)
result = 45000;
else if (index < 14)
result = 40000;
else
result = 35000;
break;
case SPEED_BIN_TWTR:
result = 7500;
break;
case SPEED_BIN_TRTP:
result = 7500;
break;
case SPEED_BIN_TWR:
result = 15000;
break;
case SPEED_BIN_TMOD:
result = 15000;
break;
case SPEED_BIN_TXPDLL:
result = 24000;
break;
default:
break;
}
return result;
}
static inline u32 pattern_table_get_killer_word(u8 dqs, u8 index)
{
u8 i, byte = 0;
u8 role;
for (i = 0; i < 8; i++) {
role = (i == dqs) ?
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_AGGRESSOR) :
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM);
byte |= pattern_killer_pattern_table_map[index][role] << i;
}
return byte | (byte << 8) | (byte << 16) | (byte << 24);
}
static inline u32 pattern_table_get_killer_word16(u8 dqs, u8 index)
{
u8 i, byte0 = 0, byte1 = 0;
u8 role;
for (i = 0; i < 8; i++) {
role = (i == dqs) ?
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_AGGRESSOR) :
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM);
byte0 |= pattern_killer_pattern_table_map[index * 2][role] << i;
}
for (i = 0; i < 8; i++) {
role = (i == dqs) ?
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_AGGRESSOR) :
(PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM);
byte1 |= pattern_killer_pattern_table_map
[index * 2 + 1][role] << i;
}
return byte0 | (byte0 << 8) | (byte1 << 16) | (byte1 << 24);
}
static inline u32 pattern_table_get_sso_word(u8 sso, u8 index)
{
u8 step = sso + 1;
if (0 == ((index / step) & 1))
return 0x0;
else
return 0xffffffff;
}
static inline u32 pattern_table_get_vref_word(u8 index)
{
if (0 == ((pattern_vref_pattern_table_map[index / 8] >>
(index % 8)) & 1))
return 0x0;
else
return 0xffffffff;
}
static inline u32 pattern_table_get_vref_word16(u8 index)
{
if (0 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2] &&
0 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2 + 1])
return 0x00000000;
else if (1 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2] &&
0 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2 + 1])
return 0xffff0000;
else if (0 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2] &&
1 == pattern_killer_pattern_table_map
[PATTERN_KILLER_PATTERN_TABLE_MAP_ROLE_VICTIM][index * 2 + 1])
return 0x0000ffff;
else
return 0xffffffff;
}
static inline u32 pattern_table_get_static_pbs_word(u8 index)
{
u16 temp;
temp = ((0x00ff << (index / 3)) & 0xff00) >> 8;
return temp | (temp << 8) | (temp << 16) | (temp << 24);
}
inline u32 pattern_table_get_word(u32 dev_num, enum hws_pattern type, u8 index)
{
u32 pattern;
struct hws_topology_map *tm = ddr3_get_topology_map();
if (DDR3_IS_16BIT_DRAM_MODE(tm->bus_act_mask) == 0) {
/* 32bit patterns */
switch (type) {
case PATTERN_PBS1:
case PATTERN_PBS2:
if (index == 0 || index == 2 || index == 5 ||
index == 7)
pattern = PATTERN_55;
else
pattern = PATTERN_AA;
break;
case PATTERN_PBS3:
if (0 == (index & 1))
pattern = PATTERN_55;
else
pattern = PATTERN_AA;
break;
case PATTERN_RL:
if (index < 6)
pattern = PATTERN_00;
else
pattern = PATTERN_80;
break;
case PATTERN_STATIC_PBS:
pattern = pattern_table_get_static_pbs_word(index);
break;
case PATTERN_KILLER_DQ0:
case PATTERN_KILLER_DQ1:
case PATTERN_KILLER_DQ2:
case PATTERN_KILLER_DQ3:
case PATTERN_KILLER_DQ4:
case PATTERN_KILLER_DQ5:
case PATTERN_KILLER_DQ6:
case PATTERN_KILLER_DQ7:
pattern = pattern_table_get_killer_word(
(u8)(type - PATTERN_KILLER_DQ0), index);
break;
case PATTERN_RL2:
if (index < 6)
pattern = PATTERN_00;
else
pattern = PATTERN_01;
break;
case PATTERN_TEST:
if (index > 1 && index < 6)
pattern = PATTERN_20;
else
pattern = PATTERN_00;
break;
case PATTERN_FULL_SSO0:
case PATTERN_FULL_SSO1:
case PATTERN_FULL_SSO2:
case PATTERN_FULL_SSO3:
pattern = pattern_table_get_sso_word(
(u8)(type - PATTERN_FULL_SSO0), index);
break;
case PATTERN_VREF:
pattern = pattern_table_get_vref_word(index);
break;
default:
pattern = 0;
break;
}
} else {
/* 16bit patterns */
switch (type) {
case PATTERN_PBS1:
case PATTERN_PBS2:
case PATTERN_PBS3:
pattern = PATTERN_55AA;
break;
case PATTERN_RL:
if (index < 3)
pattern = PATTERN_00;
else
pattern = PATTERN_80;
break;
case PATTERN_STATIC_PBS:
pattern = PATTERN_00FF;
break;
case PATTERN_KILLER_DQ0:
case PATTERN_KILLER_DQ1:
case PATTERN_KILLER_DQ2:
case PATTERN_KILLER_DQ3:
case PATTERN_KILLER_DQ4:
case PATTERN_KILLER_DQ5:
case PATTERN_KILLER_DQ6:
case PATTERN_KILLER_DQ7:
pattern = pattern_table_get_killer_word16(
(u8)(type - PATTERN_KILLER_DQ0), index);
break;
case PATTERN_RL2:
if (index < 3)
pattern = PATTERN_00;
else
pattern = PATTERN_01;
break;
case PATTERN_TEST:
pattern = PATTERN_0080;
break;
case PATTERN_FULL_SSO0:
pattern = 0x0000ffff;
break;
case PATTERN_FULL_SSO1:
case PATTERN_FULL_SSO2:
case PATTERN_FULL_SSO3:
pattern = pattern_table_get_sso_word(
(u8)(type - PATTERN_FULL_SSO1), index);
break;
case PATTERN_VREF:
pattern = pattern_table_get_vref_word16(index);
break;
default:
pattern = 0;
break;
}
}
return pattern;
}
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