*
* Xilinx Zynq SD Host Controller Interface
*
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place, Suite 330, Boston, MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <fdtdec.h>
+#include <libfdt.h>
#include <malloc.h>
#include <sdhci.h>
#include <asm/arch/sys_proto.h>
-int zynq_sdhci_init(u32 regbase)
+int zynq_sdhci_init(phys_addr_t regbase)
{
struct sdhci_host *host = NULL;
host->name = "zynq_sdhci";
host->ioaddr = (void *)regbase;
- host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD;
+ host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD |
+ SDHCI_QUIRK_BROKEN_R1B;
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
- host->host_caps = MMC_MODE_HC;
-
add_sdhci(host, 52000000, 52000000 >> 9);
return 0;
}
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+int zynq_sdhci_of_init(const void *blob)
+{
+ int offset = 0;
+ u32 ret = 0;
+ phys_addr_t reg;
+
+ debug("ZYNQ SDHCI: Initialization\n");
+
+ do {
+ offset = fdt_node_offset_by_compatible(blob, offset,
+ "arasan,sdhci-8.9a");
+ if (offset != -1) {
+ reg = fdtdec_get_addr(blob, offset, "reg");
+ if (reg != FDT_ADDR_T_NONE) {
+ ret |= zynq_sdhci_init(reg);
+ } else {
+ debug("ZYNQ SDHCI: Can't get base address\n");
+ return -1;
+ }
+ }
+ } while (offset != -1);
+
+ return ret;
+}
+#endif