* SPDX-License-Identifier: GPL-2.0+
*/
+#include <clk.h>
#include <common.h>
#include <dm.h>
#include <fdtdec.h>
#include <malloc.h>
#include <sdhci.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ
# define CONFIG_ZYNQ_SDHCI_MIN_FREQ 0
#endif
+struct arasan_sdhci_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+ unsigned int f_max;
+};
+
static int arasan_sdhci_probe(struct udevice *dev)
{
+ struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct sdhci_host *host = dev_get_priv(dev);
+ struct clk clk;
+ unsigned long clock;
+ int ret;
+
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (ret < 0) {
+ dev_err(dev, "failed to get clock\n");
+ return ret;
+ }
+
+ clock = clk_get_rate(&clk);
+ if (IS_ERR_VALUE(clock)) {
+ dev_err(dev, "failed to get rate\n");
+ return clock;
+ }
+ debug("%s: CLK %ld\n", __func__, clock);
+
+ ret = clk_enable(&clk);
+ if (ret && ret != -ENOSYS) {
+ dev_err(dev, "failed to enable clock\n");
+ return ret;
+ }
host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD |
SDHCI_QUIRK_BROKEN_R1B;
host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
#endif
- host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
+ host->max_clk = clock;
- add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ,
- CONFIG_ZYNQ_SDHCI_MIN_FREQ);
-
- upriv->mmc = host->mmc;
+ ret = sdhci_setup_cfg(&plat->cfg, host, plat->f_max,
+ CONFIG_ZYNQ_SDHCI_MIN_FREQ);
+ host->mmc = &plat->mmc;
+ if (ret)
+ return ret;
+ host->mmc->priv = host;
host->mmc->dev = dev;
+ upriv->mmc = host->mmc;
- return 0;
+ return sdhci_probe(dev);
}
static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
{
+ struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
struct sdhci_host *host = dev_get_priv(dev);
host->name = dev->name;
- host->ioaddr = (void *)dev_get_addr(dev);
+ host->ioaddr = (void *)devfdt_get_addr(dev);
+
+ plat->f_max = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
+ "max-frequency", CONFIG_ZYNQ_SDHCI_MAX_FREQ);
return 0;
}
+static int arasan_sdhci_bind(struct udevice *dev)
+{
+ struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
+
+ return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
+
static const struct udevice_id arasan_sdhci_ids[] = {
{ .compatible = "arasan,sdhci-8.9a" },
{ }
.id = UCLASS_MMC,
.of_match = arasan_sdhci_ids,
.ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata,
+ .ops = &sdhci_ops,
+ .bind = arasan_sdhci_bind,
.probe = arasan_sdhci_probe,
.priv_auto_alloc_size = sizeof(struct sdhci_host),
+ .platdata_auto_alloc_size = sizeof(struct arasan_sdhci_plat),
};