siemens/mc_apl4: Overwrite swizzle data for LPDDR4
This mainboard is equipped with LPDDR4 modules. The corresponding memory swizzle data must be set for this purpose. Change-Id: I4017de0713f0df5e614086912fc39d8eb6562702 Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com> Reviewed-on: https://review.coreboot.org/29624 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Uwe Pöche <uwe.poeche@siemens.com> Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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romstage-y += memory.c
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ramstage-y += mainboard.c
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2016 Google Inc.
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* Copyright (C) 2017-2018 Siemens AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <baseboard/variants.h>
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#include <commonlib/helpers.h>
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#include <soc/meminit.h>
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const struct lpddr4_swizzle_cfg mc_apl4_lpddr4_swizzle = {
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/* CH0_DQA[0:31] SoC pins -> U22 LPDDR4 module pins */
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.phys[LP4_PHYS_CH0A] = {
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/* DQA[0:7] pins of LPDDR4 module. */
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.dqs[LP4_DQS0] = { 0, 1, 5, 3, 4, 7, 6, 2 },
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/* DQA[8:15] pins of LPDDR4 module. */
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.dqs[LP4_DQS1] = { 11, 15, 14, 9, 8, 12, 13, 10 },
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/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS2] = { 16, 22, 23, 21, 19, 17, 18, 20 },
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/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS3] = { 30, 26, 31, 25, 24, 27, 28, 29 },
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},
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.phys[LP4_PHYS_CH0B] = {
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/* DQA[0:7] pins of LPDDR4 module. */
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.dqs[LP4_DQS0] = { 7, 3, 2, 1, 4, 0, 6, 5 },
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/* DQA[8:15] pins of LPDDR4 module. */
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.dqs[LP4_DQS1] = { 14, 8, 9, 15, 10, 13, 12, 11 },
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/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS2] = { 23, 21, 20, 16, 19, 17, 18, 22 },
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/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS3] = { 24, 25, 26, 28, 29, 31, 30, 27 },
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},
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.phys[LP4_PHYS_CH1A] = {
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/* DQA[0:7] pins of LPDDR4 module. */
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.dqs[LP4_DQS0] = { 6, 3, 1, 7, 4, 2, 5, 0 },
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/* DQA[8:15] pins of LPDDR4 module. */
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.dqs[LP4_DQS1] = { 14, 15, 12, 13, 11, 8, 10, 9 },
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/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS2] = { 16, 22, 17, 18, 20, 21, 23, 19 },
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/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS3] = { 31, 28, 26, 25, 29, 24, 27, 30 },
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},
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.phys[LP4_PHYS_CH1B] = {
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/* DQA[0:7] pins of LPDDR4 module. */
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.dqs[LP4_DQS0] = { 3, 5, 7, 4, 1, 0, 6, 2 },
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/* DQA[8:15] pins of LPDDR4 module. */
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.dqs[LP4_DQS1] = { 14, 13, 10, 11, 15, 9, 8, 12 },
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/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS2] = { 23, 18, 19, 22, 16, 17, 21, 20 },
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/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
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.dqs[LP4_DQS3] = { 24, 31, 30, 29, 26, 27, 25, 28 },
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},
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};
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const struct lpddr4_swizzle_cfg *variant_lpddr4_swizzle_config(void)
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{
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return &mc_apl4_lpddr4_swizzle;
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}
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