Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / mmc / zynq_sdhci.c

diff --git a/qemu/roms/u-boot/drivers/mmc/zynq_sdhci.c b/qemu/roms/u-boot/drivers/mmc/zynq_sdhci.c
new file mode 100644 (file)
index 0000000..fdce2c2
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/mmc/zynq_sdhci.c
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2013 Inc.
+ *
+ * Xilinx Zynq SD Host Controller Interface
+ *
+ * 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)
+{
+       struct sdhci_host *host = NULL;
+
+       host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
+       if (!host) {
+               printf("zynq_sdhci_init: sdhci_host malloc fail\n");
+               return 1;
+       }
+
+       host->name = "zynq_sdhci";
+       host->ioaddr = (void *)regbase;
+       host->quirks = SDHCI_QUIRK_NO_CD | 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;
+}
+
+#ifdef CONFIG_OF_CONTROL
+int zynq_sdhci_of_init(const void *blob)
+{
+       int offset = 0;
+       u32 ret = 0;
+       u32 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