mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-22 11:13:07 +00:00
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Socionext F_SDH30 eMMC driver
|
||
|
|
* Copyright 2021 Linaro Ltd.
|
||
|
|
* Copyright 2021 Socionext, Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <clk.h>
|
||
|
|
#include <dm.h>
|
||
|
|
#include <malloc.h>
|
||
|
|
#include <sdhci.h>
|
||
|
|
|
||
|
|
struct f_sdh30_plat {
|
||
|
|
struct mmc_config cfg;
|
||
|
|
struct mmc mmc;
|
||
|
|
};
|
||
|
|
|
||
|
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
|
||
|
|
static int f_sdh30_sdhci_probe(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
|
||
|
|
struct f_sdh30_plat *plat = dev_get_plat(dev);
|
||
|
|
struct sdhci_host *host = dev_get_priv(dev);
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = mmc_of_parse(dev, &plat->cfg);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
host->mmc = &plat->mmc;
|
||
|
|
host->mmc->dev = dev;
|
||
|
|
host->mmc->priv = host;
|
||
|
|
|
||
|
|
ret = sdhci_setup_cfg(&plat->cfg, host, 200000000, 400000);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
upriv->mmc = host->mmc;
|
||
|
|
|
||
|
|
mmc_set_clock(host->mmc, host->mmc->cfg->f_min, MMC_CLK_ENABLE);
|
||
|
|
|
||
|
|
return sdhci_probe(dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int f_sdh30_of_to_plat(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct sdhci_host *host = dev_get_priv(dev);
|
||
|
|
|
||
|
|
host->name = strdup(dev->name);
|
||
|
|
host->ioaddr = dev_read_addr_ptr(dev);
|
||
|
|
host->bus_width = dev_read_u32_default(dev, "bus-width", 4);
|
||
|
|
host->index = dev_read_u32_default(dev, "index", 0);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int f_sdh30_bind(struct udevice *dev)
|
||
|
|
{
|
||
|
|
struct f_sdh30_plat *plat = dev_get_plat(dev);
|
||
|
|
|
||
|
|
return sdhci_bind(dev, &plat->mmc, &plat->cfg);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct udevice_id f_sdh30_mmc_ids[] = {
|
||
|
|
{ .compatible = "fujitsu,mb86s70-sdhci-3.0" },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
U_BOOT_DRIVER(f_sdh30_drv) = {
|
||
|
|
.name = "f_sdh30_sdhci",
|
||
|
|
.id = UCLASS_MMC,
|
||
|
|
.of_match = f_sdh30_mmc_ids,
|
||
|
|
.of_to_plat = f_sdh30_of_to_plat,
|
||
|
|
.ops = &sdhci_ops,
|
||
|
|
.bind = f_sdh30_bind,
|
||
|
|
.probe = f_sdh30_sdhci_probe,
|
||
|
|
.priv_auto = sizeof(struct sdhci_host),
|
||
|
|
.plat_auto = sizeof(struct f_sdh30_plat),
|
||
|
|
};
|