1 /* 2 * (C) Copyright 2013 Inc. 3 * 4 * Xilinx Zynq SD Host Controller Interface 5 * 6 * This program is free software; you can redistribute it and/or modify it under 7 * the terms of the GNU General Public License version 2 as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 * 11 * You should have received a copy of the GNU General Public License along with 12 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 13 * Place, Suite 330, Boston, MA 02111-1307 USA 14 */ 15 16 #include <common.h> 17 #include <malloc.h> 18 #include <sdhci.h> 19 #include <asm/arch/sys_proto.h> 20 21 int zynq_sdhci_init(u32 regbase) 22 { 23 struct sdhci_host *host = NULL; 24 25 host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); 26 if (!host) { 27 printf("zynq_sdhci_init: sdhci_host malloc fail\n"); 28 return 1; 29 } 30 31 host->name = "zynq_sdhci"; 32 host->ioaddr = (void *)regbase; 33 host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD; 34 host->version = sdhci_readw(host, SDHCI_HOST_VERSION); 35 36 host->host_caps = MMC_MODE_HC; 37 38 add_sdhci(host, 52000000, 52000000 >> 9); 39 return 0; 40 } 41