uboot-phytec

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

/*

 * Copyright (c) 2013 Google, Inc

 */

​

#include <common.h>

#include <clk.h>

#include <dm.h>

#include <dt-structs.h>

#include <dwmmc.h>

#include <errno.h>

#include <mapmem.h>

#include <pwrseq.h>

#include <syscon.h>

#include <asm/gpio.h>

#include <asm/arch-rockchip/clock.h>

#include <asm/arch-rockchip/periph.h>

#include <linux/err.h>

​

struct rockchip_mmc_plat {

#if CONFIG_IS_ENABLED(OF_PLATDATA)

    struct dtd_rockchip_rk3288_dw_mshc dtplat;

#endif

    struct mmc_config cfg;

    struct mmc mmc;

};

​

struct rockchip_dwmmc_priv {

    struct clk clk;

    struct dwmci_host host;

    int fifo_depth;

    bool fifo_mode;

    u32 minmax[2];

};

​

static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)

{

    struct udevice *dev = host->priv;

    struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);

    int ret;

​

    ret = clk_set_rate(&priv->clk, freq);

    if (ret < 0) {

        debug("%s: err=%d\n", __func__, ret);

        return ret;

    }

​

    return freq;

}

​

static int rockchip_dwmmc_ofdata_to_platdata(struct udevice *dev)

{

#if !CONFIG_IS_ENABLED(OF_PLATDATA)

    struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);

    struct dwmci_host *host = &priv->host;

​

    host->name = dev->name;

    host->ioaddr = dev_read_addr_ptr(dev);

    host->buswidth = dev_read_u32_default(dev, "bus-width", 4);

    host->get_mmc_clk = rockchip_dwmmc_get_mmc_clk;

    host->priv = dev;

​

    /* use non-removeable as sdcard and emmc as judgement */