2 * Copyright (C) 2013 Boundary Devices
3 * Copyright (C) 2014-2016, Toradex AG
5 * SPDX-License-Identifier: GPL-2.0+
7 * Device Configuration Data (DCD)
9 * Each entry must have the format:
10 * Addr-type Address Value
13 * Addr-type register length (1,2 or 4 bytes)
14 * Address absolute address of the register
15 * value value to be stored in the register
20 * MX6Q ddr is limited to 1066 Mhz currently 1056 MHz(528 MHz clock),
21 * memory bus width: 64 bits x16/x32/x64
22 * MX6DL ddr is limited to 800 MHz(400 MHz clock)
23 * memory bus width: 64 bits x16/x32/x64
24 * MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
25 * memory bus width: 32 bits x16/x32
27 DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
28 DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
29 DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
30 DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
31 DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000030
32 DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
33 DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
34 DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
36 DATA 4, MX6_IOM_GRP_B0DS, 0x00000030
37 DATA 4, MX6_IOM_GRP_B1DS, 0x00000030
38 DATA 4, MX6_IOM_GRP_B2DS, 0x00000030
39 DATA 4, MX6_IOM_GRP_B3DS, 0x00000030
40 DATA 4, MX6_IOM_GRP_B4DS, 0x00000030
41 DATA 4, MX6_IOM_GRP_B5DS, 0x00000030
42 DATA 4, MX6_IOM_GRP_B6DS, 0x00000030
43 DATA 4, MX6_IOM_GRP_B7DS, 0x00000030
44 DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
45 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
46 DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
48 DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
49 DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
50 DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
51 DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
52 DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
53 DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
54 DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
55 DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
57 DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
58 DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
59 DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
60 DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
62 DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
63 DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
64 DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
66 DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
67 DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
69 /* (differential input) */
70 DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
71 /* (differential input) */
72 DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
73 /* disable ddr pullups */
74 DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
75 DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
76 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
77 DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
79 /* Read data DQ Byte0-3 delay */
80 DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
81 DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
82 DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
83 DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
84 DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
85 DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
86 DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
87 DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
90 * MDMISC mirroring interleaved (row/bank/col)
92 /* TODO: check what the RALAT field does */
93 DATA 4, MX6_MMDC_P0_MDMISC, 0x00081740
98 DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000