1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 28d67c368SShengzhou Liu /* 38d67c368SShengzhou Liu * Copyright 2014 Freescale Semiconductor, Inc. 48d67c368SShengzhou Liu */ 58d67c368SShengzhou Liu 68d67c368SShengzhou Liu #ifndef __DDR_H__ 78d67c368SShengzhou Liu #define __DDR_H__ 88d67c368SShengzhou Liu struct board_specific_parameters { 98d67c368SShengzhou Liu u32 n_ranks; 108d67c368SShengzhou Liu u32 datarate_mhz_high; 118d67c368SShengzhou Liu u32 rank_gb; 128d67c368SShengzhou Liu u32 clk_adjust; 138d67c368SShengzhou Liu u32 wrlvl_start; 148d67c368SShengzhou Liu u32 wrlvl_ctl_2; 158d67c368SShengzhou Liu u32 wrlvl_ctl_3; 168d67c368SShengzhou Liu }; 178d67c368SShengzhou Liu 188d67c368SShengzhou Liu /* 198d67c368SShengzhou Liu * These tables contain all valid speeds we want to override with board 208d67c368SShengzhou Liu * specific parameters. datarate_mhz_high values need to be in ascending order 218d67c368SShengzhou Liu * for each n_ranks group. 228d67c368SShengzhou Liu */ 238d67c368SShengzhou Liu 248d67c368SShengzhou Liu static const struct board_specific_parameters udimm0[] = { 258d67c368SShengzhou Liu /* 268d67c368SShengzhou Liu * memory controller 0 278d67c368SShengzhou Liu * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | 288d67c368SShengzhou Liu * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | 298d67c368SShengzhou Liu */ 30e04f9d0cSShengzhou Liu {2, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 31e04f9d0cSShengzhou Liu {2, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 32e04f9d0cSShengzhou Liu {2, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 33e04f9d0cSShengzhou Liu {2, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 34e04f9d0cSShengzhou Liu {2, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 35e04f9d0cSShengzhou Liu {1, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 36e04f9d0cSShengzhou Liu {1, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 37e04f9d0cSShengzhou Liu {1, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 38e04f9d0cSShengzhou Liu {1, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 39e04f9d0cSShengzhou Liu {1, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 408d67c368SShengzhou Liu {} 418d67c368SShengzhou Liu }; 428d67c368SShengzhou Liu 438d67c368SShengzhou Liu static const struct board_specific_parameters *udimms[] = { 448d67c368SShengzhou Liu udimm0, 458d67c368SShengzhou Liu }; 468d67c368SShengzhou Liu #endif 47