#include <libfdt.h>
#include <malloc.h>
#include <sdhci.h>
+#include <clk.h>
+DECLARE_GLOBAL_DATA_PTR;
/* 400KHz is max freq for card ID etc. Use that as min */
#define EMMC_MIN_FREQ 400000
struct rockchip_sdhc_plat *plat = dev_get_platdata(dev);
struct rockchip_sdhc *prv = dev_get_priv(dev);
struct sdhci_host *host = &prv->host;
- int ret;
- u32 caps;
+ int max_frequency, ret;
+ struct clk clk;
+
+
+ max_frequency = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "max-frequency", 0);
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (!ret) {
+ ret = clk_set_rate(&clk, max_frequency);
+ if (IS_ERR_VALUE(ret))
+ printf("%s clk set rate fail!\n", __func__);
+ } else {
+ printf("%s fail to get clk\n", __func__);
+ }
- host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;
+ host->max_clk = max_frequency;
- caps = sdhci_readl(host, SDHCI_CAPABILITIES);
- ret = sdhci_setup_cfg(&plat->cfg, dev->name, host->bus_width,
- caps, CONFIG_ROCKCHIP_SDHCI_MAX_FREQ, EMMC_MIN_FREQ,
- host->version, host->quirks, 0);
+ ret = sdhci_setup_cfg(&plat->cfg, host, 0, EMMC_MIN_FREQ);
host->mmc = &plat->mmc;
if (ret)
static int rockchip_sdhci_bind(struct udevice *dev)
{
struct rockchip_sdhc_plat *plat = dev_get_platdata(dev);
- int ret;
-
- ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
- if (ret)
- return ret;
- return 0;
+ return sdhci_bind(dev, &plat->mmc, &plat->cfg);
}
static const struct udevice_id arasan_sdhci_ids[] = {