+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Fuzhou Rockchip Electronics Co., Ltd
*
* Rockchip SD Host Controller Interface
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
-#include <fdtdec.h>
-#include <libfdt.h>
+#include <dt-structs.h>
+#include <linux/libfdt.h>
#include <malloc.h>
+#include <mapmem.h>
#include <sdhci.h>
+#include <clk.h>
/* 400KHz is max freq for card ID etc. Use that as min */
#define EMMC_MIN_FREQ 400000
struct rockchip_sdhc_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct dtd_rockchip_rk3399_sdhci_5_1 dtplat;
+#endif
struct mmc_config cfg;
struct mmc mmc;
};
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;
+ int max_frequency, ret;
+ struct clk clk;
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct dtd_rockchip_rk3399_sdhci_5_1 *dtplat = &plat->dtplat;
+
+ host->name = dev->name;
+ host->ioaddr = map_sysmem(dtplat->reg[0], dtplat->reg[1]);
+ max_frequency = dtplat->max_frequency;
+ ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &clk);
+#else
+ max_frequency = dev_read_u32_default(dev, "max-frequency", 0);
+ ret = clk_get_by_index(dev, 0, &clk);
+#endif
+ 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->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;
+ host->max_clk = max_frequency;
+ /*
+ * The sdhci-driver only supports 4bit and 8bit, as sdhci_setup_cfg
+ * doesn't allow us to clear MMC_MODE_4BIT. Consequently, we don't
+ * check for other bus-width values.
+ */
+ if (host->bus_width == 8)
+ host->host_caps |= MMC_MODE_8BIT;
- ret = sdhci_setup_cfg(&plat->cfg, host, CONFIG_ROCKCHIP_SDHCI_MAX_FREQ,
- EMMC_MIN_FREQ);
+ ret = sdhci_setup_cfg(&plat->cfg, host, 0, EMMC_MIN_FREQ);
host->mmc = &plat->mmc;
if (ret)
static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct sdhci_host *host = dev_get_priv(dev);
host->name = dev->name;
- host->ioaddr = dev_get_addr_ptr(dev);
+ host->ioaddr = dev_read_addr_ptr(dev);
+ host->bus_width = dev_read_u32_default(dev, "bus-width", 4);
+#endif
return 0;
}
};
U_BOOT_DRIVER(arasan_sdhci_drv) = {
- .name = "arasan_sdhci",
+ .name = "rockchip_rk3399_sdhci_5_1",
.id = UCLASS_MMC,
.of_match = arasan_sdhci_ids,
.ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata,