/* * Copyright 2014 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __DDR_H__ #define __DDR_H__ struct board_specific_parameters { u32 n_ranks; u32 datarate_mhz_high; u32 rank_gb; u32 clk_adjust; u32 wrlvl_start; u32 wrlvl_ctl_2; u32 wrlvl_ctl_3; }; /* * These tables contain all valid speeds we want to override with board * specific parameters. datarate_mhz_high values need to be in ascending order * for each n_ranks group. */ static const struct board_specific_parameters udimm0[] = { /* * memory controller 0 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | */ {2, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a}, {2, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09}, {2, 1600, 2, 5, 8, 0x0808070b, 0x0c0d0e0a}, {2, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a}, {2, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c}, {1, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a}, {1, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09}, {1, 1600, 2, 5, 8, 0x0808070b, 0x0c0d0e0a}, {1, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a}, {1, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c}, {} }; static const struct board_specific_parameters *udimms[] = { udimm0, }; #endif