diff options
| -rw-r--r-- | drivers/usb/host/ehci-atmel.c | 19 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-au1xxx.c | 14 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-cns3xxx.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 18 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-grlib.c | 15 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 5 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-ixp4xx.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-mv.c | 23 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-mxc.c | 17 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-octeon.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-omap.c | 104 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-orion.c | 17 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 160 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-pmcmsp.c | 17 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-ppc-of.c | 25 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-ps3.c | 18 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-s5p.c | 12 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-sh.c | 16 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-spear.c | 10 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 18 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-vt8500.c | 14 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-w90x900.c | 9 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-xilinx-of.c | 31 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-xls.c | 21 |
24 files changed, 164 insertions, 439 deletions
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index cf14c95..a47e2cf 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -53,30 +53,15 @@ static void atmel_stop_ehci(struct platform_device *pdev) static int ehci_atmel_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval = 0; + int retval; /* registers start at offset 0x0 */ ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - retval = ehci_halt(ehci); - if (retval) - return retval; - /* data structure init */ - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; - ehci->sbrn = 0x20; - - ehci_reset(ehci); ehci_port_power(ehci, 0); return retval; diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 182d395..cba10d6 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -20,10 +20,12 @@ extern int usb_disabled(void); static int au1xxx_ehci_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int ret = ehci_init(hcd); + int ret; + + ehci->caps = hcd->regs; + ret = ehci_setup(hcd); ehci->need_io_watchdog = 0; - ehci_reset(ehci); return ret; } @@ -78,7 +80,6 @@ static const struct hc_driver ehci_au1xxx_hc_driver = { static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev) { struct usb_hcd *hcd; - struct ehci_hcd *ehci; struct resource *res; int ret; @@ -116,13 +117,6 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev) goto err3; } - ehci = hcd_to_ehci(hcd); - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); - ret = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED); if (ret == 0) { diff --git a/drivers/usb/host/ehci-cns3xxx.c b/drivers/usb/host/ehci-cns3xxx.c index 6536abd..caaa3e5 100644 --- a/drivers/usb/host/ehci-cns3xxx.c +++ b/drivers/usb/host/ehci-cns3xxx.c @@ -33,14 +33,10 @@ static int cns3xxx_ehci_init(struct usb_hcd *hcd) } ehci->caps = hcd->regs; - ehci->regs = hcd->regs - + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 0; - ehci_reset(ehci); - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 74914de..ab52db6 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -348,29 +348,13 @@ static int ehci_fsl_setup(struct usb_hcd *hcd) /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; - retval = ehci_halt(ehci); - if (retval) - return retval; - - /* data structure init */ - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; - ehci->sbrn = 0x20; - - ehci_reset(ehci); - if (of_device_is_compatible(dev->parent->of_node, "fsl,mpc5121-usb2-dr")) { /* diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c index fdfd8c5..22ca45c 100644 --- a/drivers/usb/host/ehci-grlib.c +++ b/drivers/usb/host/ehci-grlib.c @@ -40,18 +40,13 @@ static int ehci_grlib_setup(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; - retval = ehci_halt(ehci); + retval = ehci_setup(hcd); if (retval) return retval; - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci->sbrn = 0x20; ehci_port_power(ehci, 1); - return ehci_reset(ehci); + return retval; } @@ -164,12 +159,6 @@ static int __devinit ehci_hcd_grlib_probe(struct platform_device *op) ehci->big_endian_capbase = 1; } - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - rv = usb_add_hcd(hcd, irq, 0); if (rv) goto err_ehci; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index e6823a0..f9a783b 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -808,7 +808,7 @@ static int ehci_run (struct usb_hcd *hcd) return 0; } -static int __maybe_unused ehci_setup (struct usb_hcd *hcd) +static int ehci_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; @@ -832,6 +832,9 @@ static int __maybe_unused ehci_setup (struct usb_hcd *hcd) if (retval) return retval; + if (ehci_is_TDI(ehci)) + tdi_reset(ehci); + ehci_reset(ehci); return 0; diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c index c4460f3..488d401 100644 --- a/drivers/usb/host/ehci-ixp4xx.c +++ b/drivers/usb/host/ehci-ixp4xx.c @@ -22,14 +22,10 @@ static int ixp4xx_ehci_init(struct usb_hcd *hcd) ehci->big_endian_mmio = 1; ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 - + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; - ehci_reset(ehci); - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index 0e8c168..f6df1cc 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -77,7 +77,6 @@ static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv) static int mv_ehci_reset(struct usb_hcd *hcd) { - struct ehci_hcd *ehci = hcd_to_ehci(hcd); struct device *dev = hcd->self.controller; struct ehci_hcd_mv *ehci_mv = dev_get_drvdata(dev); int retval; @@ -87,25 +86,13 @@ static int mv_ehci_reset(struct usb_hcd *hcd) return -ENODEV; } - /* - * data structure init - */ - retval = ehci_init(hcd); - if (retval) { - dev_err(dev, "ehci_init failed %d\n", retval); - return retval; - } - hcd->has_tt = 1; - ehci->sbrn = 0x20; - retval = ehci_reset(ehci); - if (retval) { - dev_err(dev, "ehci_reset failed %d\n", retval); - return retval; - } + retval = ehci_setup(hcd); + if (retval) + dev_err(dev, "ehci_setup failed %d\n", retval); - return 0; + return retval; } static const struct hc_driver mv_ehci_hc_driver = { @@ -248,8 +235,6 @@ static int mv_ehci_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = (struct ehci_caps *) ehci_mv->cap_regs; - ehci->regs = (struct ehci_regs *) ehci_mv->op_regs; - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); ehci_mv->mode = pdata->mode; if (ehci_mv->mode == MV_USB_MODE_OTG) { diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index c778ffe..3420137 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -42,27 +42,12 @@ static int ehci_mxc_setup(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - hcd->has_tt = 1; - retval = ehci_halt(ehci); + retval = ehci_setup(hcd); if (retval) return retval; - /* data structure init */ - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci->sbrn = 0x20; - - ehci_reset(ehci); - ehci_port_power(ehci, 0); return 0; } diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c index c010488..ba26957a 100644 --- a/drivers/usb/host/ehci-octeon.c +++ b/drivers/usb/host/ehci-octeon.c @@ -56,7 +56,7 @@ static const struct hc_driver ehci_octeon_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_init, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -150,12 +150,6 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev) #endif ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - ehci_reset(ehci); ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 6e15fc8..6133d93 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -145,6 +145,56 @@ static void omap_ehci_soft_phy_reset(struct platform_device *pdev, u8 port) } } +static int omap_ehci_init(struct usb_hcd *hcd) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + int rc; + struct ehci_hcd_omap_platform_data *pdata; + + pdata = hcd->self.controller->platform_data; + if (pdata->phy_reset) { + if (gpio_is_valid(pdata->reset_gpio_port[0])) + gpio_request_one(pdata->reset_gpio_port[0], + GPIOF_OUT_INIT_LOW, "USB1 PHY reset"); + + if (gpio_is_valid(pdata->reset_gpio_port[1])) + gpio_request_one(pdata->reset_gpio_port[1], + GPIOF_OUT_INIT_LOW, "USB2 PHY reset"); + + /* Hold the PHY in RESET for enough time till DIR is high */ + udelay(10); + } + + /* Soft reset the PHY using PHY reset command over ULPI */ + if (pdata->port_mode[0] == OMAP_EHCI_PORT_MODE_PHY) + omap_ehci_soft_phy_reset(pdev, 0); + if (pdata->port_mode[1] == OMAP_EHCI_PORT_MODE_PHY) + omap_ehci_soft_phy_reset(pdev, 1); + + /* we know this is the memory we want, no need to ioremap again */ + ehci->caps = hcd->regs; + + rc = ehci_setup(hcd); + + if (pdata->phy_reset) { + /* Hold the PHY in RESET for enough time till + * PHY is settled and ready + */ + udelay(10); + + if (gpio_is_valid(pdata->reset_gpio_port[0])) + gpio_set_value_cansleep(pdata->reset_gpio_port[0], 1); + + if (gpio_is_valid(pdata->reset_gpio_port[1])) + gpio_set_value_cansleep(pdata->reset_gpio_port[1], 1); + } + + /* root ports should always stay powered */ + ehci_port_power(ehci, 1); + + return rc; +} + static int omap_ehci_hub_control( struct usb_hcd *hcd, u16 typeReq, @@ -219,7 +269,6 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) struct resource *res; struct usb_hcd *hcd; void __iomem *regs; - struct ehci_hcd *omap_ehci; int ret = -ENODEV; int irq; int i; @@ -281,19 +330,6 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) } } - if (pdata->phy_reset) { - if (gpio_is_valid(pdata->reset_gpio_port[0])) - gpio_request_one(pdata->reset_gpio_port[0], - GPIOF_OUT_INIT_LOW, "USB1 PHY reset"); - - if (gpio_is_valid(pdata->reset_gpio_port[1])) - gpio_request_one(pdata->reset_gpio_port[1], - GPIOF_OUT_INIT_LOW, "USB2 PHY reset"); - - /* Hold the PHY in RESET for enough time till DIR is high */ - udelay(10); - } - pm_runtime_enable(dev); pm_runtime_get_sync(dev); @@ -309,50 +345,12 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) ehci_write(regs, EHCI_INSNREG04, EHCI_INSNREG04_DISABLE_UNSUSPEND); - /* Soft reset the PHY using PHY reset command over ULPI */ - if (pdata->port_mode[0] == OMAP_EHCI_PORT_MODE_PHY) - omap_ehci_soft_phy_reset(pdev, 0); - if (pdata->port_mode[1] == OMAP_EHCI_PORT_MODE_PHY) - omap_ehci_soft_phy_reset(pdev, 1); - - omap_ehci = hcd_to_ehci(hcd); - omap_ehci->sbrn = 0x20; - - /* we know this is the memory we want, no need to ioremap again */ - omap_ehci->caps = hcd->regs; - omap_ehci->regs = hcd->regs - + HC_LENGTH(ehci, readl(&omap_ehci->caps->hc_capbase)); - - dbg_hcs_params(omap_ehci, "reset"); - dbg_hcc_params(omap_ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - omap_ehci->hcs_params = readl(&omap_ehci->caps->hcs_params); - - ehci_reset(omap_ehci); - - if (pdata->phy_reset) { - /* Hold the PHY in RESET for enough time till - * PHY is settled and ready - */ - udelay(10); - - if (gpio_is_valid(pdata->reset_gpio_port[0])) - gpio_set_value_cansleep(pdata->reset_gpio_port[0], 1); - - if (gpio_is_valid(pdata->reset_gpio_port[1])) - gpio_set_value_cansleep(pdata->reset_gpio_port[1], 1); - } - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { dev_err(dev, "failed to add hcd with err %d\n", ret); goto err_pm_runtime; } - /* root ports should always stay powered */ - ehci_port_power(omap_ehci, 1); - /* get clocks */ utmi_p1_fck = clk_get(dev, "utmi_p1_gfclk"); if (IS_ERR(utmi_p1_fck)) { @@ -512,7 +510,7 @@ static const struct hc_driver ehci_omap_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_init, + .reset = omap_ehci_init, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 82de107..3e41123 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -106,21 +106,10 @@ static int ehci_orion_setup(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; - hcd->has_tt = 1; - - retval = ehci_halt(ehci); - if (retval) - return retval; - - /* - * data structure init - */ - retval = ehci_init(hcd); + retval = ehci_setup(ehci); if (retval) return retval; - ehci_reset(ehci); - ehci_port_power(ehci, 0); return retval; @@ -261,11 +250,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; - ehci->sbrn = 0x20; /* * (Re-)program MBUS remapping windows if we are asked to. diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 6e767bc..21e5f96 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -54,6 +54,17 @@ static int ehci_pci_setup(struct usb_hcd *hcd) u32 temp; int retval; + ehci->caps = hcd->regs; + + /* + * ehci_init() causes memory for DMA transfers to be + * allocated. Thus, any vendor-specific workarounds based on + * limiting the type of memory used for DMA transfers must + * happen before ehci_setup() is called. + * + * Most other workarounds can be done either before or after + * init and reset; they are located here too. + */ switch (pdev->vendor) { case PCI_VENDOR_ID_TOSHIBA_2: /* celleb's companion chip */ @@ -66,20 +77,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) #endif } break; - } - - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* ehci_init() causes memory for DMA transfers to be - * allocated. Thus, any vendor-specific workarounds based on - * limiting the type of memory used for DMA transfers must - * happen before ehci_init() is called. */ - switch (pdev->vendor) { case PCI_VENDOR_ID_NVIDIA: /* NVidia reports that certain chips don't handle * QH, ITD, or SITD addresses above 2GB. (But TD, @@ -95,61 +92,28 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci_warn(ehci, "can't enable NVidia " "workaround for >2GB RAM\n"); break; - } - break; - } - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - retval = ehci_halt(ehci); - if (retval) - return retval; - - if ((pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x7808) || - (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x4396)) { - /* EHCI controller on AMD SB700/SB800/Hudson-2/3 platforms may - * read/write memory space which does not belong to it when - * there is NULL pointer with T-bit set to 1 in the frame list - * table. To avoid the issue, the frame list link pointer - * should always contain a valid pointer to a inactive qh. + /* Some NForce2 chips have problems with selective suspend; + * fixed in newer silicon. */ - ehci->use_dummy_qh = 1; - ehci_info(ehci, "applying AMD SB700/SB800/Hudson-2/3 EHCI " - "dummy qh workaround\n"); - } - - /* data structure init */ - retval = ehci_init(hcd); - if (retval) - return retval; - - switch (pdev->vendor) { - case PCI_VENDOR_ID_NEC: - ehci->need_io_watchdog = 0; + case 0x0068: + if (pdev->revision < 0xa4) + ehci->no_selective_suspend = 1; + break; + } break; case PCI_VENDOR_ID_INTEL: - ehci->need_io_watchdog = 0; ehci->fs_i_thresh = 1; if (pdev->device == 0x27cc) { ehci->broken_periodic = 1; ehci_info(ehci, "using broken periodic workaround\n"); } - if (pdev->device == 0x0806 || pdev->device == 0x0811 - || pdev->device == 0x0829) { - ehci_info(ehci, "disable lpm for langwell/penwell\n"); - ehci->has_lpm = 0; - } - if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) { + if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) hcd->has_tt = 1; - tdi_reset(ehci); - } break; case PCI_VENDOR_ID_TDI: - if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { + if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) hcd->has_tt = 1; - tdi_reset(ehci); - } break; case PCI_VENDOR_ID_AMD: /* AMD PLL quirk */ @@ -161,28 +125,17 @@ static int ehci_pci_setup(struct usb_hcd *hcd) retval = -EIO; goto done; } - break; - case PCI_VENDOR_ID_NVIDIA: - switch (pdev->device) { - /* Some NForce2 chips have problems with selective suspend; - * fixed in newer silicon. - */ - case 0x0068: - if (pdev->revision < 0xa4) - ehci->no_selective_suspend = 1; - break; - /* MCP89 chips on the MacBookAir3,1 give EPROTO when - * fetching device descriptors unless LPM is disabled. - * There are also intermittent problems enumerating - * devices with PPCD enabled. + /* + * EHCI controller on AMD SB700/SB800/Hudson-2/3 platforms may + * read/write memory space which does not belong to it when + * there is NULL pointer with T-bit set to 1 in the frame list + * table. To avoid the issue, the frame list link pointer + * should always contain a valid pointer to a inactive qh. */ - case 0x0d9d: - ehci_info(ehci, "disable lpm/ppcd for nvidia mcp89"); - ehci->has_lpm = 0; - ehci->has_ppcd = 0; - ehci->command &= ~CMD_PPCEE; - break; + if (pdev->device == 0x7808) { + ehci->use_dummy_qh = 1; + ehci_info(ehci, "applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround\n"); } break; case PCI_VENDOR_ID_VIA: @@ -203,6 +156,18 @@ static int ehci_pci_setup(struct usb_hcd *hcd) /* AMD PLL quirk */ if (usb_amd_find_chipset_info()) ehci->amd_pll_fix = 1; + + /* + * EHCI controller on AMD SB700/SB800/Hudson-2/3 platforms may + * read/write memory space which does not belong to it when + * there is NULL pointer with T-bit set to 1 in the frame list + * table. To avoid the issue, the frame list link pointer + * should always contain a valid pointer to a inactive qh. + */ + if (pdev->device == 0x4396) { + ehci->use_dummy_qh = 1; + ehci_info(ehci, "applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround\n"); + } /* SB600 and old version of SB700 have a bug in EHCI controller, * which causes usb devices lose response in some cases. */ @@ -231,6 +196,40 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; } + retval = ehci_setup(hcd); + if (retval) + return retval; + + /* These workarounds need to be applied after ehci_setup() */ + switch (pdev->vendor) { + case PCI_VENDOR_ID_NEC: + ehci->need_io_watchdog = 0; + break; + case PCI_VENDOR_ID_INTEL: + ehci->need_io_watchdog = 0; + if (pdev->device == 0x0806 || pdev->device == 0x0811 + || pdev->device == 0x0829) { + ehci_info(ehci, "disable lpm for langwell/penwell\n"); + ehci->has_lpm = 0; + } + break; + case PCI_VENDOR_ID_NVIDIA: + switch (pdev->device) { + /* MCP89 chips on the MacBookAir3,1 give EPROTO when + * fetching device descriptors unless LPM is disabled. + * There are also intermittent problems enumerating + * devices with PPCD enabled. + */ + case 0x0d9d: + ehci_info(ehci, "disable lpm/ppcd for nvidia mcp89"); + ehci->has_lpm = 0; + ehci->has_ppcd = 0; + ehci->command &= ~CMD_PPCEE; + break; + } + break; + } + /* optional debug port, normally in the first BAR */ temp = pci_find_capability(pdev, 0x0a); if (temp) { @@ -238,7 +237,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) temp >>= 16; if ((temp & (3 << 13)) == (1 << 13)) { temp &= 0x1fff; - ehci->debug = ehci_to_hcd(ehci)->regs + temp; + ehci->debug = hcd->regs + temp; temp = ehci_readl(ehci, &ehci->debug->control); ehci_info(ehci, "debug port %d%s\n", HCS_DEBUG_PORT(ehci->hcs_params), @@ -250,8 +249,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) } } - ehci_reset(ehci); - /* at least the Genesys GL880S needs fixup here */ temp = HCS_N_CC(ehci->hcs_params) * HCS_N_PCC(ehci->hcs_params); temp &= 0x0f; @@ -275,10 +272,11 @@ static int ehci_pci_setup(struct usb_hcd *hcd) } /* Serial Bus Release Number is at PCI 0x60 offset */ - pci_read_config_byte(pdev, 0x60, &ehci->sbrn); if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == PCI_DEVICE_ID_STMICRO_USB_HOST) - ehci->sbrn = 0x20; /* ConneXT has no sbrn register */ + ; /* ConneXT has no sbrn register */ + else + pci_read_config_byte(pdev, 0x60, &ehci->sbrn); /* Keep this around for a while just in case some EHCI * implementation uses legacy PCI PM support. This test diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c index e8d54de..087aee2 100644 --- a/drivers/usb/host/ehci-pmcmsp.c +++ b/drivers/usb/host/ehci-pmcmsp.c @@ -78,27 +78,14 @@ static int ehci_msp_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; + ehci->big_endian_mmio = 1; ehci->big_endian_desc = 1; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; - retval = ehci_halt(ehci); - if (retval) - return retval; - - ehci_reset(ehci); - - /* data structure init */ - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c index 41d11fe..bbbe89d 100644 --- a/drivers/usb/host/ehci-ppc-of.c +++ b/drivers/usb/host/ehci-ppc-of.c @@ -17,24 +17,6 @@ #include <linux/of.h> #include <linux/of_platform.h> -/* called during probe() after chip reset completes */ -static int ehci_ppc_of_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_halt(ehci); - if (retval) - return retval; - - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci->sbrn = 0x20; - return ehci_reset(ehci); -} - static const struct hc_driver ehci_ppc_of_hc_driver = { .description = hcd_name, @@ -50,7 +32,7 @@ static const struct hc_driver ehci_ppc_of_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_ppc_of_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -178,11 +160,6 @@ static int __devinit ehci_hcd_ppc_of_probe(struct platform_device *op) ehci->big_endian_desc = 1; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); if (of_device_is_compatible(dn, "ibm,usb-ehci-440epx")) { rv = ppc44x_enable_bmt(dn); diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index a20e496..45a356e 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -55,28 +55,12 @@ static int ps3_ehci_hc_reset(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); ehci->big_endian_mmio = 1; - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, - &ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - result = ehci_halt(ehci); + result = ehci_setup(hcd); if (result) return result; - result = ehci_init(hcd); - - if (result) - return result; - - ehci_reset(ehci); - ps3_ehci_setup_insnreg(ehci); return result; diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index c7e0936..13c179f 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -40,7 +40,7 @@ static const struct hc_driver s5p_ehci_hc_driver = { .irq = ehci_irq, .flags = HCD_MEMORY | HCD_USB2, - .reset = ehci_init, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -134,20 +134,10 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); /* DMA burst Enable */ writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); - - ehci_reset(ehci); - err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) { dev_err(&pdev->dev, "Failed to add USB HCD\n"); diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c index e7cb392..b3f1e36 100644 --- a/drivers/usb/host/ehci-sh.c +++ b/drivers/usb/host/ehci-sh.c @@ -24,25 +24,11 @@ static int ehci_sh_reset(struct usb_hcd *hcd) int ret; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, - &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - ret = ehci_halt(ehci); - if (unlikely(ret)) - return ret; - - ret = ehci_init(hcd); + ret = ehci_setup(hcd); if (unlikely(ret)) return ret; - ehci->sbrn = 0x20; - - ehci_reset(ehci); ehci_port_power(ehci, 0); return ret; diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 7ed533e..c718a06 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -41,19 +41,11 @@ static int ehci_spear_setup(struct usb_hcd *hcd) /* registers start at offset 0x0 */ ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, - &ehci->caps->hc_capbase)); - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - retval = ehci_halt(ehci); - if (retval) - return retval; - retval = ehci_init(hcd); + retval = ehci_setup(hcd); if (retval) return retval; - ehci_reset(ehci); ehci_port_power(ehci, 0); return retval; diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 477ecfa..f7f3ce32 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -281,30 +281,14 @@ static int tegra_ehci_setup(struct usb_hcd *hcd) /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); /* switch to host mode */ hcd->has_tt = 1; - ehci_reset(ehci); - retval = ehci_halt(ehci); + retval = ehci_setup(ehci); if (retval) return retval; - /* data structure init */ - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci->sbrn = 0x20; - ehci_port_power(ehci, 1); return retval; } diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index c1eda73..4d147c4 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -48,7 +48,7 @@ static const struct hc_driver vt8500_ehci_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_init, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -121,18 +121,6 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); - - ehci_port_power(ehci, 1); - - ehci_reset(ehci); ret = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED); diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index 3d2e26c..ec59808 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -71,21 +71,14 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver, val |= ENPHY; __raw_writel(val, ehci->regs+PHY1_CTR); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci->sbrn = 0x20; - irq = platform_get_irq(pdev, 0); if (irq < 0) goto err4; - ehci_reset(ehci); - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval != 0) goto err4; - ehci_writel(ehci, 1, &ehci->regs->configured_flag); - return retval; err4: iounmap(hcd->regs); @@ -120,7 +113,7 @@ static const struct hc_driver ehci_w90x900_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_init, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c index e9713d5..39f24fa 100644 --- a/drivers/usb/host/ehci-xilinx-of.c +++ b/drivers/usb/host/ehci-xilinx-of.c @@ -32,30 +32,6 @@ #include <linux/of_address.h> /** - * ehci_xilinx_of_setup - Initialize the device for ehci_reset() - * @hcd: Pointer to the usb_hcd device to which the host controller bound - * - * called during probe() after chip reset completes. - */ -static int ehci_xilinx_of_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_halt(ehci); - if (retval) - return retval; - - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci->sbrn = 0x20; - - return ehci_reset(ehci); -} - -/** * ehci_xilinx_port_handed_over - hand the port out if failed to enable it * @hcd: Pointer to the usb_hcd device to which the host controller bound * @portnum:Port number to which the device is attached. @@ -107,7 +83,7 @@ static const struct hc_driver ehci_xilinx_of_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_xilinx_of_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -219,11 +195,6 @@ static int __devinit ehci_hcd_xilinx_of_probe(struct platform_device *op) /* Debug registers are at the first 0x100 region */ ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); rv = usb_add_hcd(hcd, irq, 0); if (rv == 0) diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c index 72f0819..99c353a 100644 --- a/drivers/usb/host/ehci-xls.c +++ b/drivers/usb/host/ehci-xls.c @@ -14,30 +14,11 @@ static int ehci_xls_setup(struct usb_hcd *hcd) { - int retval; struct ehci_hcd *ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - - retval = ehci_halt(ehci); - if (retval) - return retval; - - /* data structure init */ - retval = ehci_init(hcd); - if (retval) - return retval; - - ehci_reset(ehci); - - return retval; + return ehci_setup(ehci); } int ehci_xls_probe_internal(const struct hc_driver *driver, |