/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2016 Freescale Semiconductor, Inc. */ #ifndef __DDR_H__ #define __DDR_H__ void erratum_a008850_post(void); 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, 1350, 0, 8, 6, 0x0708090B, 0x0C0D0E09,}, {2, 1666, 0, 8, 7, 0x08090A0C, 0x0D0F100B,}, {2, 1900, 0, 8, 7, 0x09090B0D, 0x0E10120B,}, {2, 2300, 0, 8, 7, 0x08090A0E, 0x1011120C,}, {} }; static const struct board_specific_parameters *udimms[] = { udimm0, }; static const struct board_specific_parameters rdimm0[] = { /* * memory controller 0 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl * ranks| mhz| GB |adjst| start | ctl2 | ctl3 */ {2, 1666, 0, 0x8, 0x0D, 0x0C0B0A08, 0x0A0B0C08,}, {2, 1900, 0, 0x8, 0x0E, 0x0D0C0B09, 0x0B0C0D09,}, {2, 2300, 0, 0xa, 0x12, 0x100F0D0C, 0x0E0F100C,}, {1, 1666, 0, 0x8, 0x0D, 0x0C0B0A08, 0x0A0B0C08,}, {1, 1900, 0, 0x8, 0x0E, 0x0D0C0B09, 0x0B0C0D09,}, {1, 2300, 0, 0xa, 0x12, 0x100F0D0C, 0x0E0F100C,}, {} }; static const struct board_specific_parameters *rdimms[] = { rdimm0, }; #endif