drivers/mmc/ftsdc021_sdhci.c

   1 /*
   2  * (C) Copyright 2013 Faraday Technology
   3  * Kuo-Jung Su <dantesu@faraday-tech.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <malloc.h>
  10 #include <sdhci.h>
  11
  12 #ifndef CONFIG_FTSDC021_CLOCK
  13 #define CONFIG_FTSDC021_CLOCK   clk_get_rate("MMC")
  14 #endif
  15
  16 int ftsdc021_sdhci_init(u32 regbase)
  17 {
  18         struct sdhci_host *host = NULL;
  19         uint32_t freq = CONFIG_FTSDC021_CLOCK;
  20
  21         host = calloc(1, sizeof(struct sdhci_host));
  22         if (!host) {
  23                 puts("sdh_host malloc fail!\n");
  24                 return -ENOMEM;
  25         }
  26
  27         host->name = "FTSDC021";
  28         host->ioaddr = (void __iomem *)regbase;
  29         host->quirks = 0;
  30         host->max_clk = freq;
  31         add_sdhci(host, 0, 0);
  32
  33         return 0;
  34 }