1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright 2017 NXP 4 */ 5 6 #ifndef __LS1088A_DDR_H__ 7 #define __LS1088A_DDR_H__ 8 struct board_specific_parameters { 9 u32 n_ranks; 10 u32 datarate_mhz_high; 11 u32 rank_gb; 12 u32 clk_adjust; 13 u32 wrlvl_start; 14 u32 wrlvl_ctl_2; 15 u32 wrlvl_ctl_3; 16 }; 17 18 /* 19 * These tables contain all valid speeds we want to override with board 20 * specific parameters. datarate_mhz_high values need to be in ascending order 21 * for each n_ranks group. 22 */ 23 24 static const struct board_specific_parameters udimm0[] = { 25 /* 26 * memory controller 0 27 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl 28 * ranks| mhz| GB |adjst| start | ctl2 | ctl3 29 */ 30 #if defined(CONFIG_TARGET_LS1088ARDB) 31 32 {2, 1666, 0, 8, 8, 0x090A0B0E, 0x0F10110D,}, 33 {2, 1900, 0, 8, 9, 0x0A0B0C10, 0x1112140E,}, 34 {2, 2300, 0, 8, 9, 0x0A0C0E11, 0x1214160F,}, 35 {} 36 #elif defined(CONFIG_TARGET_LS1088AQDS) 37 {2, 1666, 0, 8, 8, 0x0A0A0C0E, 0x0F10110C,}, 38 {2, 1900, 0, 8, 9, 0x0A0B0C10, 0x1112140E,}, 39 {2, 2300, 0, 4, 9, 0x0A0C0D11, 0x1214150E,}, 40 {} 41 42 #endif 43 }; 44 45 static const struct board_specific_parameters *udimms[] = { 46 udimm0, 47 }; 48 #endif 49
