2 * Copyright 2015 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
10 struct board_specific_parameters {
12 u32 datarate_mhz_high;
24 * These tables contain all valid speeds we want to override with board
25 * specific parameters. datarate_mhz_high values need to be in ascending order
26 * for each n_ranks group.
28 static const struct board_specific_parameters udimm0[] = {
31 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T
32 * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay |
34 #ifdef CONFIG_SYS_FSL_DDR4
35 {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
36 {2, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
37 {1, 1666, 0, 4, 6, 0x0708090B, 0x0C0D0E0A,},
38 {1, 1900, 0, 4, 9, 0x0A0B0C0B, 0x0D0E0F0D,},
39 {1, 2200, 0, 4, 10, 0x0B0C0D0C, 0x0E0F110E,},
40 #elif defined(CONFIG_SYS_FSL_DDR3)
41 {1, 833, 1, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
42 {1, 1350, 1, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
43 {1, 833, 2, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
44 {1, 1350, 2, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
45 {2, 833, 4, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
46 {2, 1350, 4, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
47 {2, 1350, 0, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
48 {2, 1666, 4, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
49 {2, 1666, 0, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
51 #error DDR type not defined
56 static const struct board_specific_parameters *udimms[] = {