18d67c368SShengzhou Liu /* 28d67c368SShengzhou Liu * Copyright 2014 Freescale Semiconductor, Inc. 38d67c368SShengzhou Liu * 48d67c368SShengzhou Liu * SPDX-License-Identifier: GPL-2.0+ 58d67c368SShengzhou Liu */ 68d67c368SShengzhou Liu 78d67c368SShengzhou Liu #ifndef __DDR_H__ 88d67c368SShengzhou Liu #define __DDR_H__ 98d67c368SShengzhou Liu struct board_specific_parameters { 108d67c368SShengzhou Liu u32 n_ranks; 118d67c368SShengzhou Liu u32 datarate_mhz_high; 128d67c368SShengzhou Liu u32 rank_gb; 138d67c368SShengzhou Liu u32 clk_adjust; 148d67c368SShengzhou Liu u32 wrlvl_start; 158d67c368SShengzhou Liu u32 wrlvl_ctl_2; 168d67c368SShengzhou Liu u32 wrlvl_ctl_3; 178d67c368SShengzhou Liu }; 188d67c368SShengzhou Liu 198d67c368SShengzhou Liu /* 208d67c368SShengzhou Liu * These tables contain all valid speeds we want to override with board 218d67c368SShengzhou Liu * specific parameters. datarate_mhz_high values need to be in ascending order 228d67c368SShengzhou Liu * for each n_ranks group. 238d67c368SShengzhou Liu */ 248d67c368SShengzhou Liu 258d67c368SShengzhou Liu static const struct board_specific_parameters udimm0[] = { 268d67c368SShengzhou Liu /* 278d67c368SShengzhou Liu * memory controller 0 288d67c368SShengzhou Liu * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | 298d67c368SShengzhou Liu * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | 308d67c368SShengzhou Liu */ 31*e04f9d0cSShengzhou Liu {2, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 32*e04f9d0cSShengzhou Liu {2, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 33*e04f9d0cSShengzhou Liu {2, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 34*e04f9d0cSShengzhou Liu {2, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 35*e04f9d0cSShengzhou Liu {2, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 36*e04f9d0cSShengzhou Liu {1, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 37*e04f9d0cSShengzhou Liu {1, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 38*e04f9d0cSShengzhou Liu {1, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 39*e04f9d0cSShengzhou Liu {1, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 40*e04f9d0cSShengzhou Liu {1, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 418d67c368SShengzhou Liu {} 428d67c368SShengzhou Liu }; 438d67c368SShengzhou Liu 448d67c368SShengzhou Liu static const struct board_specific_parameters *udimms[] = { 458d67c368SShengzhou Liu udimm0, 468d67c368SShengzhou Liu }; 478d67c368SShengzhou Liu #endif 48