/* * Copyright 2015 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, 1350, 0, 8, 6, 0x0708090B, 0x0C0D0E09,}, {2, 1666, 0, 10, 9, 0x090A0B0E, 0x0F11110C,}, {2, 1900, 0, 12, 0xA, 0x0B0C0E11, 0x1214140F,}, {2, 2300, 0, 12, 0xB, 0x0C0D0F12, 0x14161610,}, {} }; /* DP-DDR DIMM */ static const struct board_specific_parameters udimm2[] = { /* * memory controller 2 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl * ranks| mhz| GB |adjst| start | ctl2 | ctl3 */ {2, 1350, 0, 8, 0xd, 0x0C0A0A00, 0x00000009,}, {2, 1666, 0, 8, 0xd, 0x0C0A0A00, 0x00000009,}, {2, 1900, 0, 8, 0xe, 0x0D0C0B00, 0x0000000A,}, {2, 2200, 0, 8, 0xe, 0x0D0C0B00, 0x0000000A,}, {} }; 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, 1350, 0, 8, 6, 0x0708090B, 0x0C0D0E09,}, {2, 1666, 0, 8, 7, 0x08090A0C, 0x0D0F100B,}, {2, 1900, 0, 8, 7, 0x09090B0D, 0x0E10120B,}, {2, 2200, 0, 8, 8, 0x090A0C0F, 0x1012130C,}, {} }; /* DP-DDR DIMM */ static const struct board_specific_parameters rdimm2[] = { /* * memory controller 2 * 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, 0x0B0A090C, 0x0D0F100B,}, {2, 1900, 0, 8, 7, 0x09090B0D, 0x0E10120B,}, {2, 2200, 0, 8, 8, 0x090A0C0F, 0x1012130C,}, {} }; static const struct board_specific_parameters *udimms[] = { udimm0, udimm0, udimm2, }; static const struct board_specific_parameters *rdimms[] = { rdimm0, rdimm0, rdimm2, }; #endif