1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright 2014 Freescale Semiconductor, Inc. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __DDR_H__ 8*4882a593Smuzhiyun #define __DDR_H__ 9*4882a593Smuzhiyun struct board_specific_parameters { 10*4882a593Smuzhiyun u32 n_ranks; 11*4882a593Smuzhiyun u32 datarate_mhz_high; 12*4882a593Smuzhiyun u32 rank_gb; 13*4882a593Smuzhiyun u32 clk_adjust; 14*4882a593Smuzhiyun u32 wrlvl_start; 15*4882a593Smuzhiyun u32 wrlvl_ctl_2; 16*4882a593Smuzhiyun u32 wrlvl_ctl_3; 17*4882a593Smuzhiyun }; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * These tables contain all valid speeds we want to override with board 21*4882a593Smuzhiyun * specific parameters. datarate_mhz_high values need to be in ascending order 22*4882a593Smuzhiyun * for each n_ranks group. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun static const struct board_specific_parameters udimm0[] = { 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * memory controller 0 28*4882a593Smuzhiyun * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | 29*4882a593Smuzhiyun * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun {2, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 32*4882a593Smuzhiyun {2, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 33*4882a593Smuzhiyun {2, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 34*4882a593Smuzhiyun {2, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 35*4882a593Smuzhiyun {2, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 36*4882a593Smuzhiyun {1, 1200, 2, 10, 7, 0x0808090a, 0x0b0c0c0a}, 37*4882a593Smuzhiyun {1, 1500, 2, 10, 6, 0x07070809, 0x0a0b0b09}, 38*4882a593Smuzhiyun {1, 1600, 2, 10, 8, 0x0808070b, 0x0c0d0e0a}, 39*4882a593Smuzhiyun {1, 1700, 2, 8, 7, 0x080a0a0c, 0x0c0d0e0a}, 40*4882a593Smuzhiyun {1, 1900, 0, 10, 7, 0x0808080c, 0x0b0c0c09}, 41*4882a593Smuzhiyun {} 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun static const struct board_specific_parameters *udimms[] = { 45*4882a593Smuzhiyun udimm0, 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun #endif 48