2 * Copyright 2013 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
29 * ranks| mhz| GB |adjst| start | ctl2
31 #ifdef CONFIG_SYS_FSL_DDR4
32 {2, 1600, 4, 8, 6, 0x07090A0c, 0x0e0f100a},
33 #elif defined(CONFIG_SYS_FSL_DDR3)
34 {2, 833, 4, 8, 6, 0x06060607, 0x08080807},
35 {2, 833, 0, 8, 6, 0x06060607, 0x08080807},
36 {2, 1350, 4, 8, 7, 0x0708080A, 0x0A0B0C09},
37 {2, 1350, 0, 8, 7, 0x0708080A, 0x0A0B0C09},
38 {2, 1666, 4, 8, 7, 0x0808090B, 0x0C0D0E0A},
39 {2, 1666, 0, 8, 7, 0x0808090B, 0x0C0D0E0A},
40 {1, 833, 4, 8, 6, 0x06060607, 0x08080807},
41 {1, 833, 0, 8, 6, 0x06060607, 0x08080807},
42 {1, 1350, 4, 8, 7, 0x0708080A, 0x0A0B0C09},
43 {1, 1350, 0, 8, 7, 0x0708080A, 0x0A0B0C09},
44 {1, 1666, 4, 8, 7, 0x0808090B, 0x0C0D0E0A},
45 {1, 1666, 0, 8, 7, 0x0808090B, 0x0C0D0E0A},
47 #error DDR type not defined
54 static const struct board_specific_parameters *udimms[] = {