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| author | Wolfgang Denk <wd@denx.de> | 2010-04-09 21:42:18 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-09 21:42:18 +0200 |
| commit | 2aa4c57a101c0432e110561f5439560faf4e8018 (patch) | |
| tree | 571815a2bbd914d1588b12140c8502022942af41 /drivers | |
| parent | 760bce07f182f678d42f2a85a0e47b59e831ba25 (diff) | |
| parent | fac71cc49f93db7d460dbc957dfbbadefa2ca0e9 (diff) | |
| download | u-boot-imx-2aa4c57a101c0432e110561f5439560faf4e8018.zip u-boot-imx-2aa4c57a101c0432e110561f5439560faf4e8018.tar.gz u-boot-imx-2aa4c57a101c0432e110561f5439560faf4e8018.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 38 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 1 |
2 files changed, 21 insertions, 18 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 9ebeb4f..7784d92 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -55,14 +55,14 @@ static struct descriptor { { 0x12, /* bLength */ 1, /* bDescriptorType: UDESC_DEVICE */ - 0x0002, /* bcdUSB: v2.0 */ + cpu_to_le16(0x0200), /* bcdUSB: v2.0 */ 9, /* bDeviceClass: UDCLASS_HUB */ 0, /* bDeviceSubClass: UDSUBCLASS_HUB */ 1, /* bDeviceProtocol: UDPROTO_HSHUBSTT */ 64, /* bMaxPacketSize: 64 bytes */ 0x0000, /* idVendor */ 0x0000, /* idProduct */ - 0x0001, /* bcdDevice */ + cpu_to_le16(0x0100), /* bcdDevice */ 1, /* iManufacturer */ 2, /* iProduct */ 0, /* iSerialNumber */ @@ -536,7 +536,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, uint32_t reg; uint32_t *status_reg; - if (le16_to_cpu(req->index) >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) { + if (le16_to_cpu(req->index) > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) { printf("The request port(%d) is not configured\n", le16_to_cpu(req->index) - 1); return -1; @@ -630,19 +630,8 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, tmpbuf[0] |= USB_PORT_STAT_SUSPEND; if (reg & EHCI_PS_OCA) tmpbuf[0] |= USB_PORT_STAT_OVERCURRENT; - if (reg & EHCI_PS_PR && - (portreset & (1 << le16_to_cpu(req->index)))) { - int ret; - /* force reset to complete */ - reg = reg & ~(EHCI_PS_PR | EHCI_PS_CLEAR); - ehci_writel(status_reg, reg); - ret = handshake(status_reg, EHCI_PS_PR, 0, 2 * 1000); - if (!ret) - tmpbuf[0] |= USB_PORT_STAT_RESET; - else - printf("port(%d) reset error\n", - le16_to_cpu(req->index) - 1); - } + if (reg & EHCI_PS_PR) + tmpbuf[0] |= USB_PORT_STAT_RESET; if (reg & EHCI_PS_PP) tmpbuf[1] |= USB_PORT_STAT_POWER >> 8; @@ -699,6 +688,8 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, ehci_writel(status_reg, reg); break; } else { + int ret; + reg |= EHCI_PS_PR; reg &= ~EHCI_PS_PE; ehci_writel(status_reg, reg); @@ -710,8 +701,19 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, wait_ms(50); /* terminate the reset */ ehci_writel(status_reg, reg & ~EHCI_PS_PR); - wait_ms(2); - portreset |= 1 << le16_to_cpu(req->index); + /* + * A host controller must terminate the reset + * and stabilize the state of the port within + * 2 milliseconds + */ + ret = handshake(status_reg, EHCI_PS_PR, 0, + 2 * 1000); + if (!ret) + portreset |= + 1 << le16_to_cpu(req->index); + else + printf("port(%d) reset error\n", + le16_to_cpu(req->index) - 1); } break; default: diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 441b1a2..047902a 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -28,6 +28,7 @@ #ifdef CONFIG_PCI_EHCI_DEVICE static struct pci_device_id ehci_pci_ids[] = { /* Please add supported PCI EHCI controller ids here */ + {0x1033, 0x00E0}, {0, 0} }; #endif |