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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0 */
Boris BREZILLON7832bf32015-03-04 13:13:05 +01002/*
3 * Copyright (C) 2013 Seco USA Inc
4 *
Boris BREZILLON7832bf32015-03-04 13:13:05 +01005 * Refer doc/README.imximage for more details about how-to configure
6 * and create imximage boot image
7 *
8 * The syntax is taken as close as possible with the kwbimage
9 */
10
11/* image version */
12IMAGE_VERSION 2
13
14/*
15 * Boot Device : one of
16 * spi, sd (the board has no nand neither onenand)
17 */
18BOOT_FROM sd
19
20#define __ASSEMBLY__
21#include <config.h>
22#include "asm/arch/mx6-ddr.h"
23#include "asm/arch/iomux.h"
24#include "asm/arch/crm_regs.h"
25
26/* DDR IO TYPE */
27DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
28DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
29
30/* DATA STROBE */
31DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
32DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000028
33DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000028
34DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000028
35DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000028
36DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000028
37DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000028
38DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000028
39DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000028
40
41/* DATA */
42DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
43DATA 4, MX6_IOM_GRP_B0DS, 0x00000028
44DATA 4, MX6_IOM_GRP_B1DS, 0x00000028
45DATA 4, MX6_IOM_GRP_B2DS, 0x00000028
46DATA 4, MX6_IOM_GRP_B3DS, 0x00000028
47DATA 4, MX6_IOM_GRP_B4DS, 0x00000028
48DATA 4, MX6_IOM_GRP_B5DS, 0x00000028
49DATA 4, MX6_IOM_GRP_B6DS, 0x00000028
50DATA 4, MX6_IOM_GRP_B7DS, 0x00000028
51DATA 4, MX6_IOM_DRAM_DQM0, 0x00000028
52DATA 4, MX6_IOM_DRAM_DQM1, 0x00000028
53DATA 4, MX6_IOM_DRAM_DQM2, 0x00000028
54DATA 4, MX6_IOM_DRAM_DQM3, 0x00000028
55DATA 4, MX6_IOM_DRAM_DQM4, 0x00000028
56DATA 4, MX6_IOM_DRAM_DQM5, 0x00000028
57DATA 4, MX6_IOM_DRAM_DQM6, 0x00000028
58DATA 4, MX6_IOM_DRAM_DQM7, 0x00000028
59/* ADDRESS */
60DATA 4, MX6_IOM_GRP_ADDDS, 0x00000028
61DATA 4, MX6_IOM_DRAM_CAS, 0x00000028
62DATA 4, MX6_IOM_DRAM_RAS, 0x00000028
63
64/* CONTROL */
65DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
66DATA 4, MX6_IOM_DRAM_RESET, 0x00000028
67DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
68DATA 4, MX6_IOM_DRAM_SDODT0, 0x00000028
69DATA 4, MX6_IOM_DRAM_SDODT1, 0x00000028
70
71/* CLOCK */
72DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000028
73DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000028
74
75/*
76 * DDR3 SETTINGS
77 * Read Data Bit Delay
78 */
79DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
80DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
81DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
82DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
83DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
84DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
85DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
86DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
87
88
89/* Write Leveling */
90DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x001F001F
91DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x001F001F
92DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x001F0001
93DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x001F001F
94
95/* DQS gating, read delay, write delay calibration values */
96DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x431A0326
97DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x0323031B
98DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x433F0340
99DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x0345031C
100
101/* Read calibration */
102DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x40343137
103DATA 4, MX6_MMDC_P1_MPRDDLCTL, 0x40372F45
104
105/* write calibration */
106DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x32414741
107DATA 4, MX6_MMDC_P1_MPWRDLCTL, 0x4731473C
108
109/* Complete calibration by forced measurement: */
110DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
111DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800
112
113/*
114 * MMDC init:
115 * in DDR3, 64-bit mode, only MMDC0 is init
116 */
117DATA 4, MX6_MMDC_P0_MDPDC, 0x00020036
118DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
119
120DATA 4, MX6_MMDC_P0_MDCFG0, 0x898E7955
121DATA 4, MX6_MMDC_P0_MDCFG1, 0xFF328F64
122DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
123
124DATA 4, MX6_MMDC_P0_MDMISC, 0x00001740
125DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000
126DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
127DATA 4, MX6_MMDC_P0_MDOR, 0x008E1023
128
129/* CS0_END = 2304MB in step da 256Mb -> [(2304*8/256) - 1] */
130DATA 4, MX6_MMDC_P0_MDASP, 0x00000047
131
132/* SDE_1=0; ROW=3; BL=1; DSIZ=2 -> 64 bit */
133DATA 4, MX6_MMDC_P0_MDCTL, 0x841A0000
134
135/* Initialize DDR3 on CS_0 and CS_1 */
136DATA 4, MX6_MMDC_P0_MDSCR, 0x02088032
137DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
138DATA 4, MX6_MMDC_P0_MDSCR, 0x00048031
139
140/* P0 01c */
141/* write 0x0940 to MR0 bank_0 (Burst Type=1 (Interlived)) */
142DATA 4, MX6_MMDC_P0_MDSCR, 0x09408030
143
144/*ZQ - Calibrationi */
145DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xa1390003
146DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
147DATA 4, MX6_MMDC_P0_MDREF, 0x00007800
148
149DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00022227
150DATA 4, MX6_MMDC_P1_MPODTCTRL, 0x00022227
151
152DATA 4, MX6_MMDC_P0_MDPDC, 0x00025576
153
154DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006
155DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
156
157/* set the default clock gate to save power */
158DATA 4, CCM_CCGR0, 0x00C03F3F
159DATA 4, CCM_CCGR1, 0x0030FC03
160DATA 4, CCM_CCGR2, 0x0FFFC000
161DATA 4, CCM_CCGR3, 0x3FF00000
162DATA 4, CCM_CCGR4, 0x00FFF300
163DATA 4, CCM_CCGR5, 0x0F0000C3
164DATA 4, CCM_CCGR6, 0x000003FF
165
166/* enable AXI cache for VDOA/VPU/IPU */
167DATA 4, MX6_IOMUXC_GPR4, 0xF00000FF
168
169/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
170DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
171DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
172