drivers/mmc/zynq_sdhci.c

   1 /*
   2  * (C) Copyright 2013 Inc.
   3  *
   4  * Xilinx Zynq SD Host Controller Interface
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <malloc.h>
  11 #include <sdhci.h>
  12 #include <asm/arch/sys_proto.h>
  13
  14 int zynq_sdhci_init(u32 regbase)
  15 {
  16         struct sdhci_host *host = NULL;
  17
  18         host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
  19         if (!host) {
  20                 printf("zynq_sdhci_init: sdhci_host malloc fail\n");
  21                 return 1;
  22         }
  23
  24         host->name = "zynq_sdhci";
  25         host->ioaddr = (void *)regbase;
  26         host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD |
  27                        SDHCI_QUIRK_BROKEN_R1B;
  28         host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
  29
  30         host->host_caps = MMC_MODE_HC;
  31
  32         add_sdhci(host, 52000000, 52000000 >> 9);
  33         return 0;
  34 }