1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* Copyright (C) 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
#include <arch_helpers.h>
#include <common/debug.h>
#include <mv_ddr_if.h>
#include <plat_marvell.h>
/*
* This function may modify the default DRAM parameters
* based on information received from SPD or bootloader
* configuration located on non volatile storage
*/
void plat_marvell_dram_update_topology(void)
{
}
/*
* This struct provides the DRAM training code with
* the appropriate board DRAM configuration
*/
static struct mv_ddr_topology_map board_topology_map = {
/* FIXME: MISL board 2CS 4Gb x8 devices of micron - 2133P */
DEBUG_LEVEL_ERROR,
0x1, /* active interfaces */
/* cs_mask, mirror, dqs_swap, ck_swap X subphys */
{ { { {0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0},
{0x3, 0x2, 0, 0} },
SPEED_BIN_DDR_2133P, /* speed_bin */
MV_DDR_DEV_WIDTH_8BIT, /* sdram device width */
MV_DDR_DIE_CAP_4GBIT, /* die capacity */
MV_DDR_FREQ_SAR, /* frequency */
0, 0, /* cas_l, cas_wl */
MV_DDR_TEMP_LOW} }, /* temperature */
MV_DDR_32BIT_ECC_PUP8_BUS_MASK, /* subphys mask */
MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
NOT_COMBINED, /* ddr twin-die combined*/
{ {0} }, /* raw spd data */
{0}, /* timing parameters */
{ /* electrical configuration */
{ /* memory electrical configuration */
MV_DDR_RTT_NOM_PARK_RZQ_DISABLE, /* rtt_nom */
{
MV_DDR_RTT_NOM_PARK_RZQ_DIV4, /* rtt_park 1cs */
MV_DDR_RTT_NOM_PARK_RZQ_DIV1 /* rtt_park 2cs */
},
{
MV_DDR_RTT_WR_DYN_ODT_OFF, /* rtt_wr 1cs */
MV_DDR_RTT_WR_RZQ_DIV2 /* rtt_wr 2cs */
},
MV_DDR_DIC_RZQ_DIV7 /* dic */
},
{ /* phy electrical configuration */
MV_DDR_OHM_30, /* data_drv_p */
MV_DDR_OHM_30, /* data_drv_n */
MV_DDR_OHM_30, /* ctrl_drv_p */
MV_DDR_OHM_30, /* ctrl_drv_n */
{
MV_DDR_OHM_60, /* odt_p 1cs */
MV_DDR_OHM_120 /* odt_p 2cs */
},
{
MV_DDR_OHM_60, /* odt_n 1cs */
MV_DDR_OHM_120 /* odt_n 2cs */
},
},
{ /* mac electrical configuration */
MV_DDR_ODT_CFG_NORMAL, /* odtcfg_pattern */
MV_DDR_ODT_CFG_ALWAYS_ON, /* odtcfg_write */
MV_DDR_ODT_CFG_NORMAL, /* odtcfg_read */
},
}
};
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;
}
|
