X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm47xx%2Fpatches-2.6.28%2F250-ohci-ssb-usb2.patch;h=065a16b3866f983d63c6a0226e1942bf52b990ce;hb=4f182a1a9865c471cfab54efbc4464466379e1a9;hp=a3d0481b46b879c128a46479a67e2c495804e8f8;hpb=3b617e51ccb4e6e8fd00cbf15bf76a218776d6dd;p=openwrt-10.03%2F.git diff --git a/target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch b/target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch index a3d0481b4..065a16b38 100644 --- a/target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch +++ b/target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch @@ -1,41 +1,31 @@ -diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c ---- a/drivers/usb/host/ohci-ssb.c -+++ b/drivers/usb/host/ohci-ssb.c -@@ -106,10 +106,59 @@ static int ssb_ohci_attach(struct ssb_device *dev) +--- + drivers/usb/host/ohci-ssb.c | 39 ++++++++++++++++++++++++++++++++++++--- + 1 file changed, 36 insertions(+), 3 deletions(-) + +--- linux-2.6.28.10.orig/drivers/usb/host/ohci-ssb.c ++++ linux-2.6.28.10/drivers/usb/host/ohci-ssb.c +@@ -106,10 +106,42 @@ static int ssb_ohci_attach(struct ssb_de int err = -ENOMEM; u32 tmp, flags = 0; - if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) -+ /* -+ * THE FOLLOWING COMMENTS PRESERVED FROM GPL SOURCE RELEASE -+ * -+ * The USB core requires a special bit to be set during core -+ * reset to enable host (OHCI) mode. Resetting the SB core in -+ * pcibios_enable_device() is a hack for compatibility with -+ * vanilla usb-ohci so that it does not have to know about -+ * SB. A driver that wants to use the USB core in device mode -+ * should know about SB and should reset the bit back to 0 -+ * after calling pcibios_enable_device(). -+ */ -+ + if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) { ++ /* Put the device into host-mode. */ flags |= SSB_OHCI_TMSLOW_HOSTMODE; +- +- ssb_device_enable(dev, flags); + ssb_device_enable(dev, flags); -+ } -+ -+ /* -+ * USB 2.0 special considerations: -+ * -+ * 1. Since the core supports both OHCI and EHCI functions, it must -+ * only be reset once. -+ * -+ * 2. In addition to the standard SB reset sequence, the Host Control -+ * Register must be programmed to bring the USB core and various -+ * phy components out of reset. -+ */ -+ -+ else if (dev->id.coreid == SSB_DEV_USB20_HOST) { -+#warning FIX ME need test for core being up & exit ++ } else if (dev->id.coreid == SSB_DEV_USB20_HOST) { ++ /* ++ * USB 2.0 special considerations: ++ * ++ * 1. Since the core supports both OHCI and EHCI functions, it must ++ * only be reset once. ++ * ++ * 2. In addition to the standard SSB reset sequence, the Host Control ++ * Register must be programmed to bring the USB core and various ++ * phy components out of reset. ++ */ + ssb_device_enable(dev, 0); + ssb_write32(dev, 0x200, 0x7ff); + udelay(1); @@ -55,15 +45,12 @@ diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c + tmp = ssb_read32(dev, 0x304); + printk("USB20H shim: 0x%0x\n", tmp); + } -+ } -+ else ++ } else + ssb_device_enable(dev, 0); -- ssb_device_enable(dev, flags); - hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, dev_name(dev->dev)); -@@ -200,6 +249,7 @@ static int ssb_ohci_resume(struct ssb_device *dev) +@@ -200,6 +232,7 @@ static int ssb_ohci_resume(struct ssb_de static const struct ssb_device_id ssb_ohci_table[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),