mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 09:30:10 +00:00
94f139a9ce
It adds compatible "hisilicon,hi3798cv200-dw-mshc" for Poplar SoC Hi3798CV200 to probe this mmc driver. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2015 Linaro
|
|
* peter.griffin <peter.griffin@linaro.org>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <dwmmc.h>
|
|
#include <errno.h>
|
|
#include <fdtdec.h>
|
|
#include <malloc.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
struct hi6220_dwmmc_plat {
|
|
struct mmc_config cfg;
|
|
struct mmc mmc;
|
|
};
|
|
|
|
struct hi6220_dwmmc_priv_data {
|
|
struct dwmci_host host;
|
|
};
|
|
|
|
static int hi6220_dwmmc_ofdata_to_platdata(struct udevice *dev)
|
|
{
|
|
struct hi6220_dwmmc_priv_data *priv = dev_get_priv(dev);
|
|
struct dwmci_host *host = &priv->host;
|
|
|
|
host->name = dev->name;
|
|
host->ioaddr = (void *)devfdt_get_addr(dev);
|
|
host->buswidth = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
|
|
"bus-width", 4);
|
|
|
|
/* use non-removable property for differentiating SD card and eMMC */
|
|
if (dev_read_bool(dev, "non-removable"))
|
|
host->dev_index = 0;
|
|
else
|
|
host->dev_index = 1;
|
|
|
|
host->priv = priv;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hi6220_dwmmc_probe(struct udevice *dev)
|
|
{
|
|
struct hi6220_dwmmc_plat *plat = dev_get_platdata(dev);
|
|
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
|
|
struct hi6220_dwmmc_priv_data *priv = dev_get_priv(dev);
|
|
struct dwmci_host *host = &priv->host;
|
|
|
|
/* Use default bus speed due to absence of clk driver */
|
|
host->bus_hz = 50000000;
|
|
|
|
dwmci_setup_cfg(&plat->cfg, host, host->bus_hz, 400000);
|
|
host->mmc = &plat->mmc;
|
|
|
|
host->mmc->priv = &priv->host;
|
|
upriv->mmc = host->mmc;
|
|
host->mmc->dev = dev;
|
|
|
|
return dwmci_probe(dev);
|
|
}
|
|
|
|
static int hi6220_dwmmc_bind(struct udevice *dev)
|
|
{
|
|
struct hi6220_dwmmc_plat *plat = dev_get_platdata(dev);
|
|
int ret;
|
|
|
|
ret = dwmci_bind(dev, &plat->mmc, &plat->cfg);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id hi6220_dwmmc_ids[] = {
|
|
{ .compatible = "hisilicon,hi6220-dw-mshc" },
|
|
{ .compatible = "hisilicon,hi3798cv200-dw-mshc" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(hi6220_dwmmc_drv) = {
|
|
.name = "hi6220_dwmmc",
|
|
.id = UCLASS_MMC,
|
|
.of_match = hi6220_dwmmc_ids,
|
|
.ofdata_to_platdata = hi6220_dwmmc_ofdata_to_platdata,
|
|
.ops = &dm_dwmci_ops,
|
|
.bind = hi6220_dwmmc_bind,
|
|
.probe = hi6220_dwmmc_probe,
|
|
.priv_auto_alloc_size = sizeof(struct hi6220_dwmmc_priv_data),
|
|
.platdata_auto_alloc_size = sizeof(struct hi6220_dwmmc_plat),
|
|
};
|