src/soc/qualcomm/sc7280/sdhci.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/sdhci.h>
   4 #include <commonlib/storage.h>
   5 #include <commonlib/storage/sd_mmc.h>
   6 #include <commonlib/storage/sdhci.h>
   7 #include <commonlib/sd_mmc_ctrlr.h>
   8 #include <soc/addressmap.h>
   9 #include <soc/sdhci.h>
  10 #include <soc/sdhci_msm.h>
  11
  12 int qc_emmc_early_init(void)
  13 {
  14         struct sd_mmc_ctrlr *ctrlr;
  15         struct storage_media media = {0};
  16
  17         ctrlr = new_sdhci_msm_host((void *)(uintptr_t)SDC1_HC_BASE);
  18         if (ctrlr == NULL)
  19                 return -1;
  20
  21         media.ctrlr = ctrlr;
  22         SET_BUS_WIDTH(ctrlr, 1);
  23         SET_CLOCK(ctrlr, 384 * 1000);
  24
  25         /* Send CMD1 */
  26         return mmc_send_cmd1(&media);
  27 }