2 * (C) Copyright 2013 Inc.
4 * Xilinx Zynq SD Host Controller Interface
6 * SPDX-License-Identifier: GPL-2.0+
14 #include <asm/arch/sys_proto.h>
16 int zynq_sdhci_init(u32 regbase)
18 struct sdhci_host *host = NULL;
20 host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
22 printf("zynq_sdhci_init: sdhci_host malloc fail\n");
26 host->name = "zynq_sdhci";
27 host->ioaddr = (void *)regbase;
28 host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD |
29 SDHCI_QUIRK_BROKEN_R1B;
30 host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
32 host->host_caps = MMC_MODE_HC;
34 add_sdhci(host, 52000000, 52000000 >> 9);
38 #ifdef CONFIG_OF_CONTROL
39 int zynq_sdhci_of_init(const void *blob)
45 debug("ZYNQ SDHCI: Initialization\n");
48 offset = fdt_node_offset_by_compatible(blob, offset,
51 reg = fdtdec_get_addr(blob, offset, "reg");
52 if (reg != FDT_ADDR_T_NONE) {
53 ret |= zynq_sdhci_init(reg);
55 debug("ZYNQ SDHCI: Can't get base address\n");
59 } while (offset != -1);