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Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch')
-rw-r--r--target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch58
1 files changed, 23 insertions, 35 deletions
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 85361ab740..065a16b386 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
@@ -1,40 +1,31 @@
---- 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_de
+---
+ 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);
@@ -54,15 +45,12 @@
+ 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_de
+@@ -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),