uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * Freescale i.MX28 SSP MMC driver

 *

 * Copyright (C) 2019 DENX Software Engineering

 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de

 *

 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>

 * on behalf of DENX Software Engineering GmbH

 *

 * Based on code from LTIB:

 * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.

 * Terry Lv

 *

 * Copyright 2007, Freescale Semiconductor, Inc

 * Andy Fleming

 *

 * Based vaguely on the pxa mmc code:

 * (C) Copyright 2003

 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net

 */

​

#include <common.h>

#include <malloc.h>

#include <mmc.h>

#include <linux/errno.h>

#include <asm/io.h>

#include <asm/arch/clock.h>

#include <asm/arch/imx-regs.h>

#include <asm/arch/sys_proto.h>

#include <asm/mach-imx/dma.h>

#include <bouncebuf.h>

​

#define MXSMMC_MAX_TIMEOUT  10000

#define MXSMMC_SMALL_TRANSFER   512

​

#if !CONFIG_IS_ENABLED(DM_MMC)

struct mxsmmc_priv {

    int         id;

    int         (*mmc_is_wp)(int);

    int         (*mmc_cd)(int);

    struct mmc_config   cfg;    /* mmc configuration */

    struct mxs_dma_desc *desc;

    uint32_t        buswidth;

    struct mxs_ssp_regs *regs;

};

#else /* CONFIG_IS_ENABLED(DM_MMC) */

#include <dm/device.h>

#include <dm/read.h>

#include <dt-structs.h>

​

#ifdef CONFIG_MX28

#define dtd_fsl_imx_mmc dtd_fsl_imx28_mmc

#else /* CONFIG_MX23 */

#define dtd_fsl_imx_mmc dtd_fsl_imx23_mmc

#endif

​

struct mxsmmc_platdata {

#if CONFIG_IS_ENABLED(OF_PLATDATA)

    struct dtd_fsl_imx_mmc dtplat;

#endif

    struct mmc_config cfg;

    struct mmc mmc;