183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2447da58bSPeter Griffin /*
3447da58bSPeter Griffin * (C) Copyright 2015 Linaro
4447da58bSPeter Griffin * peter.griffin <peter.griffin@linaro.org>
5447da58bSPeter Griffin */
6447da58bSPeter Griffin
7447da58bSPeter Griffin #include <common.h>
86240e64fSManivannan Sadhasivam #include <dm.h>
9447da58bSPeter Griffin #include <dwmmc.h>
106240e64fSManivannan Sadhasivam #include <errno.h>
116240e64fSManivannan Sadhasivam #include <fdtdec.h>
12447da58bSPeter Griffin #include <malloc.h>
13447da58bSPeter Griffin
146240e64fSManivannan Sadhasivam DECLARE_GLOBAL_DATA_PTR;
15447da58bSPeter Griffin
166240e64fSManivannan Sadhasivam struct hi6220_dwmmc_plat {
176240e64fSManivannan Sadhasivam struct mmc_config cfg;
186240e64fSManivannan Sadhasivam struct mmc mmc;
196240e64fSManivannan Sadhasivam };
20447da58bSPeter Griffin
216240e64fSManivannan Sadhasivam struct hi6220_dwmmc_priv_data {
226240e64fSManivannan Sadhasivam struct dwmci_host host;
236240e64fSManivannan Sadhasivam };
24447da58bSPeter Griffin
hi6220_dwmmc_ofdata_to_platdata(struct udevice * dev)256240e64fSManivannan Sadhasivam static int hi6220_dwmmc_ofdata_to_platdata(struct udevice *dev)
26447da58bSPeter Griffin {
276240e64fSManivannan Sadhasivam struct hi6220_dwmmc_priv_data *priv = dev_get_priv(dev);
286240e64fSManivannan Sadhasivam struct dwmci_host *host = &priv->host;
29447da58bSPeter Griffin
306240e64fSManivannan Sadhasivam host->name = dev->name;
316240e64fSManivannan Sadhasivam host->ioaddr = (void *)devfdt_get_addr(dev);
326240e64fSManivannan Sadhasivam host->buswidth = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
336240e64fSManivannan Sadhasivam "bus-width", 4);
34447da58bSPeter Griffin
356240e64fSManivannan Sadhasivam /* use non-removable property for differentiating SD card and eMMC */
366240e64fSManivannan Sadhasivam if (dev_read_bool(dev, "non-removable"))
376240e64fSManivannan Sadhasivam host->dev_index = 0;
386240e64fSManivannan Sadhasivam else
396240e64fSManivannan Sadhasivam host->dev_index = 1;
406240e64fSManivannan Sadhasivam
416240e64fSManivannan Sadhasivam host->priv = priv;
426240e64fSManivannan Sadhasivam
43447da58bSPeter Griffin return 0;
44447da58bSPeter Griffin }
45447da58bSPeter Griffin
hi6220_dwmmc_probe(struct udevice * dev)466240e64fSManivannan Sadhasivam static int hi6220_dwmmc_probe(struct udevice *dev)
47447da58bSPeter Griffin {
486240e64fSManivannan Sadhasivam struct hi6220_dwmmc_plat *plat = dev_get_platdata(dev);
496240e64fSManivannan Sadhasivam struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
506240e64fSManivannan Sadhasivam struct hi6220_dwmmc_priv_data *priv = dev_get_priv(dev);
516240e64fSManivannan Sadhasivam struct dwmci_host *host = &priv->host;
52447da58bSPeter Griffin
536240e64fSManivannan Sadhasivam /* Use default bus speed due to absence of clk driver */
546240e64fSManivannan Sadhasivam host->bus_hz = 50000000;
556240e64fSManivannan Sadhasivam
566240e64fSManivannan Sadhasivam dwmci_setup_cfg(&plat->cfg, host, host->bus_hz, 400000);
576240e64fSManivannan Sadhasivam host->mmc = &plat->mmc;
586240e64fSManivannan Sadhasivam
596240e64fSManivannan Sadhasivam host->mmc->priv = &priv->host;
606240e64fSManivannan Sadhasivam upriv->mmc = host->mmc;
616240e64fSManivannan Sadhasivam host->mmc->dev = dev;
626240e64fSManivannan Sadhasivam
636240e64fSManivannan Sadhasivam return dwmci_probe(dev);
64447da58bSPeter Griffin }
65447da58bSPeter Griffin
hi6220_dwmmc_bind(struct udevice * dev)666240e64fSManivannan Sadhasivam static int hi6220_dwmmc_bind(struct udevice *dev)
676240e64fSManivannan Sadhasivam {
686240e64fSManivannan Sadhasivam struct hi6220_dwmmc_plat *plat = dev_get_platdata(dev);
696240e64fSManivannan Sadhasivam int ret;
70447da58bSPeter Griffin
716240e64fSManivannan Sadhasivam ret = dwmci_bind(dev, &plat->mmc, &plat->cfg);
726240e64fSManivannan Sadhasivam if (ret)
736240e64fSManivannan Sadhasivam return ret;
746240e64fSManivannan Sadhasivam
756240e64fSManivannan Sadhasivam return 0;
76447da58bSPeter Griffin }
776240e64fSManivannan Sadhasivam
786240e64fSManivannan Sadhasivam static const struct udevice_id hi6220_dwmmc_ids[] = {
796240e64fSManivannan Sadhasivam { .compatible = "hisilicon,hi6220-dw-mshc" },
80*94f139a9SShawn Guo { .compatible = "hisilicon,hi3798cv200-dw-mshc" },
816240e64fSManivannan Sadhasivam { }
826240e64fSManivannan Sadhasivam };
836240e64fSManivannan Sadhasivam
846240e64fSManivannan Sadhasivam U_BOOT_DRIVER(hi6220_dwmmc_drv) = {
856240e64fSManivannan Sadhasivam .name = "hi6220_dwmmc",
866240e64fSManivannan Sadhasivam .id = UCLASS_MMC,
876240e64fSManivannan Sadhasivam .of_match = hi6220_dwmmc_ids,
886240e64fSManivannan Sadhasivam .ofdata_to_platdata = hi6220_dwmmc_ofdata_to_platdata,
896240e64fSManivannan Sadhasivam .ops = &dm_dwmci_ops,
906240e64fSManivannan Sadhasivam .bind = hi6220_dwmmc_bind,
916240e64fSManivannan Sadhasivam .probe = hi6220_dwmmc_probe,
926240e64fSManivannan Sadhasivam .priv_auto_alloc_size = sizeof(struct hi6220_dwmmc_priv_data),
936240e64fSManivannan Sadhasivam .platdata_auto_alloc_size = sizeof(struct hi6220_dwmmc_plat),
946240e64fSManivannan Sadhasivam };
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