diff options
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 4bc7970ba3e..12edc723ec7 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -38,7 +38,7 @@ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) if ((temp & (3 << 13)) == (1 << 13)) { temp &= 0x1fff; ehci->debug = ehci_to_hcd(ehci)->regs + temp; - temp = readl(&ehci->debug->control); + temp = ehci_readl(ehci, &ehci->debug->control); ehci_info(ehci, "debug port %d%s\n", HCS_DEBUG_PORT(ehci->hcs_params), (temp & DBGP_ENABLED) @@ -71,8 +71,24 @@ static int ehci_pci_setup(struct usb_hcd *hcd) u32 temp; int retval; + switch (pdev->vendor) { + case PCI_VENDOR_ID_TOSHIBA_2: + /* celleb's companion chip */ + if (pdev->device == 0x01b5) { +#ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO + ehci->big_endian_mmio = 1; +#else + ehci_warn(ehci, + "unsupported big endian Toshiba quirk\n"); +#endif + } + break; + } + ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); @@ -101,7 +117,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) } /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); retval = ehci_halt(ehci); if (retval) @@ -235,8 +251,8 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message) rc = -EINVAL; goto bail; } - writel (0, &ehci->regs->intr_enable); - (void)readl(&ehci->regs->intr_enable); + ehci_writel(ehci, 0, &ehci->regs->intr_enable); + (void)ehci_readl(ehci, &ehci->regs->intr_enable); /* make sure snapshot being resumed re-enumerates everything */ if (message.event == PM_EVENT_PRETHAW) { @@ -270,13 +286,13 @@ static int ehci_pci_resume(struct usb_hcd *hcd) /* If CF is still set, we maintained PCI Vaux power. * Just undo the effect of ehci_pci_suspend(). */ - if (readl(&ehci->regs->configured_flag) == FLAG_CF) { + if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) { int mask = INTR_MASK; if (!device_may_wakeup(&hcd->self.root_hub->dev)) mask &= ~STS_PCD; - writel(mask, &ehci->regs->intr_enable); - readl(&ehci->regs->intr_enable); + ehci_writel(ehci, mask, &ehci->regs->intr_enable); + ehci_readl(ehci, &ehci->regs->intr_enable); return 0; } @@ -300,9 +316,9 @@ static int ehci_pci_resume(struct usb_hcd *hcd) /* here we "know" root ports should always stay powered */ ehci_port_power(ehci, 1); - writel(ehci->command, &ehci->regs->command); - writel(FLAG_CF, &ehci->regs->configured_flag); - readl(&ehci->regs->command); /* unblock posted writes */ + ehci_writel(ehci, ehci->command, &ehci->regs->command); + ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ hcd->state = HC_STATE_SUSPENDED; return 0; |