2 * Copyright 2013-2014 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
9 struct board_specific_parameters {
11 u32 datarate_mhz_high;
20 * These tables contain all valid speeds we want to override with board
21 * specific parameters. datarate_mhz_high values need to be in ascending order
22 * for each n_ranks group.
25 static const struct board_specific_parameters udimm0[] = {
28 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
29 * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
31 #ifdef CONFIG_SYS_FSL_DDR4
32 {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
33 {2, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
34 {1, 1666, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
35 {1, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
36 {1, 2200, 0, 4, 7, 0x08090A0D, 0x0F0F100C,},
37 #elif defined(CONFIG_SYS_FSL_DDR3)
38 {2, 833, 0, 4, 6, 0x06060607, 0x08080807,},
39 {2, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,},
40 {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
41 {1, 833, 0, 4, 6, 0x06060607, 0x08080807,},
42 {1, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,},
43 {1, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
45 #error DDR type not defined
50 static const struct board_specific_parameters *udimms[] = {