blob: 3ad51b6fa580b6ff0222cec83b0bc34f9ac64621 (
plain)
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
92
93
94
95
96
97
98
99
100
101
|
/*
* 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.
*/
#ifndef __SOC_ROCKCHIP_RK3288_SDRAM_H__
#define __SOC_ROCKCHIP_RK3288_SDRAM_H__
#include <types.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);
size_t sdram_size_mb(void);
const struct rk3288_sdram_params *get_sdram_config(void);
#endif
|
