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-rw-r--r--drivers/usb/host/xhci-pci.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 361fcce..63daaa6 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -7,12 +7,15 @@
*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <pci.h>
#include <usb.h>
#include "xhci.h"
+#ifndef CONFIG_DM_USB
+
/*
* Create the appropriate control structures to manage a new XHCI host
* controller.
@@ -58,3 +61,81 @@ int xhci_hcd_init(int index, struct xhci_hccr **ret_hccr,
void xhci_hcd_stop(int index)
{
}
+
+#else
+
+struct xhci_pci_priv {
+ struct xhci_ctrl ctrl; /* Needs to come first in this struct! */
+};
+
+static void xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr,
+ struct xhci_hcor **ret_hcor)
+{
+ struct xhci_hccr *hccr;
+ struct xhci_hcor *hcor;
+ u32 cmd;
+
+ hccr = (struct xhci_hccr *)dm_pci_map_bar(dev,
+ PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+ hcor = (struct xhci_hcor *)((uintptr_t) hccr +
+ HC_LENGTH(xhci_readl(&hccr->cr_capbase)));
+
+ debug("XHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
+ (u32)hccr, (u32)hcor,
+ (u32)HC_LENGTH(xhci_readl(&hccr->cr_capbase)));
+
+ *ret_hccr = hccr;
+ *ret_hcor = hcor;
+
+ /* enable busmaster */
+ dm_pci_read_config32(dev, PCI_COMMAND, &cmd);
+ cmd |= PCI_COMMAND_MASTER;
+ dm_pci_write_config32(dev, PCI_COMMAND, cmd);
+}
+
+static int xhci_pci_probe(struct udevice *dev)
+{
+ struct xhci_hccr *hccr;
+ struct xhci_hcor *hcor;
+
+ xhci_pci_init(dev, &hccr, &hcor);
+
+ return xhci_register(dev, hccr, hcor);
+}
+
+static int xhci_pci_remove(struct udevice *dev)
+{
+ int ret;
+
+ ret = xhci_deregister(dev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct udevice_id xhci_pci_ids[] = {
+ { .compatible = "xhci-pci" },
+ { }
+};
+
+U_BOOT_DRIVER(xhci_pci) = {
+ .name = "xhci_pci",
+ .id = UCLASS_USB,
+ .probe = xhci_pci_probe,
+ .remove = xhci_pci_remove,
+ .of_match = xhci_pci_ids,
+ .ops = &xhci_usb_ops,
+ .platdata_auto_alloc_size = sizeof(struct usb_platdata),
+ .priv_auto_alloc_size = sizeof(struct xhci_pci_priv),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+
+static struct pci_device_id xhci_pci_supported[] = {
+ { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0) },
+ {},
+};
+
+U_BOOT_PCI_DEVICE(xhci_pci, xhci_pci_supported);
+
+#endif /* CONFIG_DM_USB */