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/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _BOARD_STORAGE_A_H
#define _BOARD_STORAGE_A_H
#include <asm/mach/mmc.h>
#include <mach/msm_bus_board.h>
#include <mach/msm_bus.h>
#define MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(num, _ib) \
static struct msm_bus_vectors sps_to_ddr_perf_vectors_##num[] = { \
{ \
.src = MSM_BUS_MASTER_SPS, \
.dst = MSM_BUS_SLAVE_EBI_CH0, \
.ib = (_ib), \
.ab = ((_ib) / 2), \
} \
}
#define MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(num) \
{ \
ARRAY_SIZE(sps_to_ddr_perf_vectors_##num), \
sps_to_ddr_perf_vectors_##num, \
}
/* no bandwidth required */
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(0, 0);
/*
* 13 MB/s bandwidth
* 4-bit MMC_TIMING_LEGACY
* 4-bit MMC_TIMING_UHS_SDR12
*/
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(1, 13 * 1024 * 1024);
/*
* 26 MB/s bandwidth
* 8-bit MMC_TIMING_LEGACY
* 4-bit MMC_TIMING_MMC_HS / MMC_TIMING_SD_HS /
* MMC_TIMING_UHS_SDR25
*/
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(2, 26 * 1024 * 1024);
/*
* 52 MB/s bandwidth
* 8-bit MMC_TIMING_MMC_HS
* 4-bit MMC_TIMING_UHS_SDR50 / MMC_TIMING_UHS_DDR50
*/
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(3, 52 * 1024 * 1024);
/*
* 104 MB/s bandwidth
* 8-bit MMC_TIMING_UHS_DDR50
* 4-bit MMC_TIMING_UHS_SDR104 / MMC_TIMING_MMC_HS200
*/
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(4, 104 * 1024 * 1024);
/*
* 200 MB/s bandwidth
* 8-bit MMC_TIMING_MMC_HS200
*/
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(5, 200 * 1024 * 1024);
/* max. possible bandwidth */
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR(6, UINT_MAX);
static unsigned int sdcc_bw_vectors[] = {0, (13 * 1024 * 1024),
(26 * 1024 * 1024), (52 * 1024 * 1024),
(104 * 1024 * 1024), (200 * 1024 * 1024),
UINT_MAX};
static struct msm_bus_paths sps_to_ddr_bus_scale_usecases[] = {
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(0),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(1),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(2),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(3),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(4),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(5),
MSM_BUS_SPS_TO_DDR_VOTE_VECTOR_USECASE(6),
};
static struct msm_bus_scale_pdata sps_to_ddr_bus_scale_data = {
sps_to_ddr_bus_scale_usecases,
ARRAY_SIZE(sps_to_ddr_bus_scale_usecases),
.name = "msm_sdcc",
};
static struct msm_mmc_bus_voting_data sps_to_ddr_bus_voting_data = {
.use_cases = &sps_to_ddr_bus_scale_data,
.bw_vecs = sdcc_bw_vectors,
.bw_vecs_size = sizeof(sdcc_bw_vectors),
};
#endif /* _BOARD_STORAGE_A_H */