100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
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/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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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 version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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*/
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#ifndef _BOARD_STORAGE_A_H
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#define _BOARD_STORAGE_A_H
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#include <asm/mach/mmc.h>
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#include <mach/msm_bus_board.h>
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#include <mach/msm_bus.h>
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#define MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(num, _ib) \
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static struct msm_bus_vectors sps_to_ddr_perf_vectors_##num[] = { \
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{ \
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.src = MSM_BUS_MASTER_SPS, \
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.dst = MSM_BUS_SLAVE_EBI_CH0, \
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.ib = (_ib), \
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.ab = ((_ib) / 2), \
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} \
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}
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#define MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(num) \
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{ \
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ARRAY_SIZE(sps_to_ddr_perf_vectors_##num), \
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sps_to_ddr_perf_vectors_##num, \
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}
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/* no bandwidth required */
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(0, 0);
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/*
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* 13 MB/s bandwidth
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* 4-bit MMC_TIMING_LEGACY
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* 4-bit MMC_TIMING_UHS_SDR12
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*/
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(1, 13 * 1024 * 1024);
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/*
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* 26 MB/s bandwidth
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* 8-bit MMC_TIMING_LEGACY
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* 4-bit MMC_TIMING_MMC_HS / MMC_TIMING_SD_HS /
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* MMC_TIMING_UHS_SDR25
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*/
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(2, 26 * 1024 * 1024);
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/*
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* 52 MB/s bandwidth
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* 8-bit MMC_TIMING_MMC_HS
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* 4-bit MMC_TIMING_UHS_SDR50 / MMC_TIMING_UHS_DDR50
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*/
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(3, 52 * 1024 * 1024);
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/*
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* 104 MB/s bandwidth
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* 8-bit MMC_TIMING_UHS_DDR50
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* 4-bit MMC_TIMING_UHS_SDR104 / MMC_TIMING_MMC_HS200
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*/
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(4, 104 * 1024 * 1024);
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/*
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* 200 MB/s bandwidth
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* 8-bit MMC_TIMING_MMC_HS200
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*/
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(5, 200 * 1024 * 1024);
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/* max. possible bandwidth */
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(6, UINT_MAX);
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static unsigned int sdcc_bw_vectors[] = {0, (13 * 1024 * 1024),
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(26 * 1024 * 1024), (52 * 1024 * 1024),
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(104 * 1024 * 1024), (200 * 1024 * 1024),
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UINT_MAX};
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static struct msm_bus_paths sps_to_ddr_bus_scale_usecases[] = {
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(0),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(1),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(2),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(3),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(4),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(5),
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MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(6),
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};
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static struct msm_bus_scale_pdata sps_to_ddr_bus_scale_data = {
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sps_to_ddr_bus_scale_usecases,
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ARRAY_SIZE(sps_to_ddr_bus_scale_usecases),
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.name = "msm_sdcc",
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};
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static struct msm_mmc_bus_voting_data sps_to_ddr_bus_voting_data = {
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.use_cases = &sps_to_ddr_bus_scale_data,
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.bw_vecs = sdcc_bw_vectors,
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.bw_vecs_size = sizeof(sdcc_bw_vectors),
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};
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#endif /* _BOARD_STORAGE_A_H */
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