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Merge branch 'master' of git://git.denx.de/u-boot-usb

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This commit is contained in:
Tom Rini 2016-12-06 08:07:20 -05:00
commit 388019f1e2
1 changed files with 81 additions and 0 deletions
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81
drivers/usb/host/xhci-pci.c
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@ -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 */