1 /* 2 * Copyright 2017 NXP 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __LS1088A_DDR_H__ 8 #define __LS1088A_DDR_H__ 9 struct board_specific_parameters { 10 u32 n_ranks; 11 u32 datarate_mhz_high; 12 u32 rank_gb; 13 u32 clk_adjust; 14 u32 wrlvl_start; 15 u32 wrlvl_ctl_2; 16 u32 wrlvl_ctl_3; 17 }; 18 19 /* 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. 23 */ 24 25 static const struct board_specific_parameters udimm0[] = { 26 /* 27 * memory controller 0 28 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl 29 * ranks| mhz| GB |adjst| start | ctl2 | ctl3 30 */ 31 #if defined(CONFIG_TARGET_LS1088ARDB) 32 33 {2, 1666, 0, 8, 8, 0x090A0B0E, 0x0F10110D,}, 34 {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,}, 35 {2, 2300, 0, 8, 9, 0x0A0C0E11, 0x1214160F,}, 36 {} 37 #elif defined(CONFIG_TARGET_LS1088AQDS) 38 {2, 1666, 0, 8, 8, 0x0A0A0C0E, 0x0F10110C,}, 39 {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,}, 40 {2, 2300, 0, 4, 9, 0x0A0C0D11, 0x1214150E,}, 41 {} 42 43 #endif 44 }; 45 46 static const struct board_specific_parameters *udimms[] = { 47 udimm0, 48 }; 49 #endif 50