diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch b/target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch index 91eadaade4..413558120f 100644 --- a/target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch +++ b/target/linux/brcm47xx/patches-2.6.35/021-USB-Add-USB-2.0-to-ssb-ohci-driver.patch @@ -1,32 +1,32 @@ -From cb33ffbdd8491c58b35958ec74c39b3a5c7fabe8 Mon Sep 17 00:00:00 2001 +From ca00adabb88dd1194891624836d7574aab2d7c05 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens <hauke@hauke-m.de> Date: Sun, 18 Jul 2010 21:25:03 +0200 Subject: [PATCH 1/2] USB: Add USB 2.0 to ssb ohci driver This adds USB 2.0 support to ssb ohci driver. -This work was done based on Braodcom source code in the OpenWRT project. +This patch was used in OpenWRT for a long time now. +CC: Steve Brown <sbrown@cortland.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- - drivers/usb/host/ohci-ssb.c | 55 ++++++++++++++++++++++++++++++++++++++++-- - 1 files changed, 52 insertions(+), 3 deletions(-) + drivers/usb/host/ohci-ssb.c | 52 ++++++++++++++++++++++++++++++++++++++++-- + 1 files changed, 49 insertions(+), 3 deletions(-) --- a/drivers/usb/host/ohci-ssb.c +++ b/drivers/usb/host/ohci-ssb.c -@@ -92,9 +92,12 @@ static const struct hc_driver ssb_ohci_h - static void ssb_ohci_detach(struct ssb_device *dev) +@@ -93,8 +93,11 @@ static void ssb_ohci_detach(struct ssb_d { struct usb_hcd *hcd = ssb_get_drvdata(dev); + + if (hcd->driver->shutdown) + hcd->driver->shutdown(hcd); - usb_remove_hcd(hcd); iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); ssb_device_disable(dev, 0); } -@@ -106,10 +109,55 @@ static int ssb_ohci_attach(struct ssb_de +@@ -106,10 +109,52 @@ static int ssb_ohci_attach(struct ssb_de int err = -ENOMEM; u32 tmp, flags = 0; @@ -45,12 +45,9 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + /* + * USB 2.0 special considerations: + * -+ * 1. Since the core supports both ehci 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. ++ * 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); @@ -70,7 +67,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + udelay(1); + + /* Work around for 5354 failures */ -+ if ((dev->id.revision == 2) && (dev->bus->chip_id == 0x5354)) { ++ if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) { + /* Change syn01 reg */ + tmp = 0x00fe00fe; + ssb_write32(dev, 0x894, tmp); @@ -85,7 +82,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, dev_name(dev->dev)); -@@ -200,6 +248,7 @@ static int ssb_ohci_resume(struct ssb_de +@@ -200,6 +245,7 @@ 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), |