| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2013 Freescale Semiconductor, Inc. |
| */ |
| |
| #ifndef __DDR_H__ |
| #define __DDR_H__ |
| struct board_specific_parameters { |
| u32 n_ranks; |
| u32 datarate_mhz_high; |
| u32 rank_gb; |
| u32 clk_adjust; |
| u32 wrlvl_start; |
| u32 wrlvl_ctl_2; |
| u32 wrlvl_ctl_3; |
| }; |
| |
| /* |
| * These tables contain all valid speeds we want to override with board |
| * specific parameters. datarate_mhz_high values need to be in ascending order |
| * for each n_ranks group. |
| */ |
| |
| static const struct board_specific_parameters udimm0[] = { |
| /* |
| * memory controller 0 |
| * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | |
| * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |
| */ |
| {2, 1200, 0, 10, 7, 0x0708090a, 0x0b0c0d09}, |
| {2, 1400, 0, 10, 7, 0x08090a0c, 0x0d0e0f0a}, |
| {2, 1700, 0, 10, 8, 0x090a0b0c, 0x0e10110c}, |
| {2, 1900, 0, 10, 8, 0x090b0c0f, 0x1012130d}, |
| {2, 2140, 0, 10, 8, 0x090b0c0f, 0x1012130d}, |
| {1, 1200, 0, 10, 7, 0x0808090a, 0x0b0c0c0a}, |
| {1, 1500, 0, 10, 6, 0x07070809, 0x0a0b0b09}, |
| {1, 1600, 0, 10, 8, 0x090b0b0d, 0x0d0e0f0b}, |
| {1, 1700, 0, 8, 8, 0x080a0a0c, 0x0c0d0e0a}, |
| {1, 1900, 0, 10, 8, 0x090a0c0d, 0x0e0f110c}, |
| {1, 2140, 0, 8, 8, 0x090a0b0d, 0x0e0f110b}, |
| {} |
| }; |
| |
| static const struct board_specific_parameters rdimm0[] = { |
| /* |
| * memory controller 0 |
| * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | |
| * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |
| */ |
| /* TODO: need tuning these parameters if RDIMM is used */ |
| {4, 1350, 0, 10, 9, 0x08070605, 0x06070806}, |
| {4, 1666, 0, 10, 11, 0x0a080706, 0x07090906}, |
| {4, 2140, 0, 10, 12, 0x0b090807, 0x080a0b07}, |
| {2, 1350, 0, 10, 9, 0x08070605, 0x06070806}, |
| {2, 1666, 0, 10, 11, 0x0a090806, 0x08090a06}, |
| {2, 2140, 0, 10, 12, 0x0b090807, 0x080a0b07}, |
| {1, 1350, 0, 10, 9, 0x08070605, 0x06070806}, |
| {1, 1666, 0, 10, 11, 0x0a090806, 0x08090a06}, |
| {1, 2140, 0, 8, 12, 0x0b090807, 0x080a0b07}, |
| {} |
| }; |
| |
| static const struct board_specific_parameters *udimms[] = { |
| udimm0, |
| }; |
| |
| static const struct board_specific_parameters *rdimms[] = { |
| rdimm0, |
| }; |
| #endif |