bcm47xx: Port usb fixes to .30

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17533 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 117 insertions, 57 deletions

diff --git a/target/linux/brcm47xx/patches-2.6.30/250-ohci-ssb-usb2.patch b/target/linux/brcm47xx/patches-2.6.30/250-ohci-ssb-usb2.patch
index 85361ab74..065a16b38 100644
--- a/target/linux/brcm47xx/patches-2.6.30/250-ohci-ssb-usb2.patch
+++ b/target/linux/brcm47xx/patches-2.6.30/250-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),
diff --git a/target/linux/brcm47xx/patches-2.6.30/260-ohci-set-dma-mask.patch b/target/linux/brcm47xx/patches-2.6.30/260-ohci-set-dma-mask.patch
index 0b9dd5160..6da3f10bf 100644
--- a/target/linux/brcm47xx/patches-2.6.30/260-ohci-set-dma-mask.patch
+++ b/target/linux/brcm47xx/patches-2.6.30/260-ohci-set-dma-mask.patch
@@ -1,14 +1,16 @@
---- a/drivers/usb/host/ohci-ssb.c
-+++ b/drivers/usb/host/ohci-ssb.c
-@@ -159,6 +159,11 @@ static int ssb_ohci_attach(struct ssb_de
- 	else
- 		ssb_device_enable(dev, 0);
+---
+ drivers/usb/host/ohci-ssb.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+--- linux-2.6.28.10.orig/drivers/usb/host/ohci-ssb.c
++++ linux-2.6.28.10/drivers/usb/host/ohci-ssb.c
+@@ -106,6 +106,9 @@ static int ssb_ohci_attach(struct ssb_de
+ 	int err = -ENOMEM;
+ 	u32 tmp, flags = 0;
  
-+ /*
-+  * Set dma mask - 32 bit mask is just an assumption
-+  */
-+ if (ssb_dma_set_mask(dev, DMA_32BIT_MASK))
-+   return -EOPNOTSUPP;
- 
- 	hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
- 			dev_name(dev->dev));
++	if (ssb_dma_set_mask(dev, DMA_32BIT_MASK))
++		return -EOPNOTSUPP;
++
+ 	if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
+ 		/* Put the device into host-mode. */
+ 		flags |= SSB_OHCI_TMSLOW_HOSTMODE;
diff --git a/target/linux/brcm47xx/patches-2.6.30/270-ehci-ssb.patch b/target/linux/brcm47xx/patches-2.6.30/270-ehci-ssb.patch
index 02e44ca5f..e64dc4b1b 100644
--- a/target/linux/brcm47xx/patches-2.6.30/270-ehci-ssb.patch
+++ b/target/linux/brcm47xx/patches-2.6.30/270-ehci-ssb.patch
@@ -1,5 +1,12 @@
---- a/drivers/usb/host/Kconfig
-+++ b/drivers/usb/host/Kconfig
+---
+ drivers/usb/host/Kconfig    |   13 ++
+ drivers/usb/host/ehci-hcd.c |   12 ++
+ drivers/usb/host/ehci-ssb.c |  201 ++++++++++++++++++++++++++++++++++++++++++++
+ drivers/usb/host/ohci-ssb.c |   23 +++++
+ 4 files changed, 247 insertions(+), 2 deletions(-)
+
+--- linux-2.6.30.5.orig/drivers/usb/host/Kconfig
++++ linux-2.6.30.5/drivers/usb/host/Kconfig
 @@ -106,6 +106,19 @@ config USB_OXU210HP_HCD
  	  To compile this driver as a module, choose M here: the
  	  module will be called oxu210hp-hcd.
@@ -20,8 +27,8 @@
  config USB_ISP116X_HCD
  	tristate "ISP116X HCD support"
  	depends on USB
---- a/drivers/usb/host/ehci-hcd.c
-+++ b/drivers/usb/host/ehci-hcd.c
+--- linux-2.6.30.5.orig/drivers/usb/host/ehci-hcd.c
++++ linux-2.6.30.5/drivers/usb/host/ehci-hcd.c
 @@ -1072,8 +1072,16 @@ MODULE_LICENSE ("GPL");
  #define	PLATFORM_DRIVER		ixp4xx_ehci_driver
  #endif
@@ -42,7 +49,7 @@
  #endif
  
 --- /dev/null
-+++ b/drivers/usb/host/ehci-ssb.c
++++ linux-2.6.30.5/drivers/usb/host/ehci-ssb.c
 @@ -0,0 +1,201 @@
 +/*
 + * Sonics Silicon Backplane
@@ -207,7 +214,7 @@
 +	u32 tmp, flags = 0;
 +
 +	hcd = usb_create_hcd(&ssb_ehci_hc_driver, dev->dev,
-+		dev_name(dev->dev));
++		dev->dev->bus_id);
 +	if (!hcd)
 +		goto err_dev_disable;
 +
@@ -245,8 +252,8 @@
 +	SSB_DEVTABLE_END
 +};
 +MODULE_DEVICE_TABLE(ssb, ssb_ehci_table);
---- a/drivers/usb/host/ohci-ssb.c
-+++ b/drivers/usb/host/ohci-ssb.c
+--- linux-2.6.30.5.orig/drivers/usb/host/ohci-ssb.c
++++ linux-2.6.30.5/drivers/usb/host/ohci-ssb.c
 @@ -17,6 +17,8 @@
   */
  #include <linux/ssb/ssb.h>
@@ -290,7 +297,7 @@
  static int ssb_ohci_attach(struct ssb_device *dev)
  {
  	struct ssb_ohci_device *ohcidev;
-@@ -184,6 +199,14 @@ static int ssb_ohci_attach(struct ssb_de
+@@ -165,6 +180,14 @@ static int ssb_ohci_attach(struct ssb_de
  
  	ssb_set_drvdata(dev, hcd);
  
diff --git a/target/linux/brcm47xx/patches-2.6.30/275-usb2-bcm5354-init.patch b/target/linux/brcm47xx/patches-2.6.30/275-usb2-bcm5354-init.patch
new file mode 100644
index 000000000..a16632915
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.30/275-usb2-bcm5354-init.patch
@@ -0,0 +1,63 @@
+This patch significantly improves the reliability of high speed 
+usb writes on the bcm5354. It implements a work around for version 2
+of the usb20 core that was cribbed from the GPL sources for the 
+Asus wl500gpv2 and verified against the wl520gu sources.
+
+Reference:
+GPL/WL-520gu-NewUI/src/linux/linux/arch/mips/brcm-boards/bcm947xx/pcibios.c
+GPL/WL-500gPV2-NewUI/src/linux/linux/arch/mips/brcm-boards/bcm947xx/pcibios.c
+
+Signed-off-by: Steve Brown <sbrown@cortland.com>
+
+---
+ drivers/usb/host/ohci-ssb.c |   37 +++++++++++++++++++++++--------------
+ 1 file changed, 23 insertions(+), 14 deletions(-)
+
+--- linux-2.6.28.10.orig/drivers/usb/host/ohci-ssb.c
++++ linux-2.6.28.10/drivers/usb/host/ohci-ssb.c
+@@ -141,22 +141,31 @@ static int ssb_ohci_attach(struct ssb_de
+ 		 */
+ 		ssb_device_enable(dev, 0);
+ 		ssb_write32(dev, 0x200, 0x7ff);
++
++		/* Change Flush control reg */
++		tmp = ssb_read32(dev, 0x400);
++		tmp &= ~8;
++		ssb_write32(dev, 0x400, tmp);
++		tmp = ssb_read32(dev, 0x400);
++
++		/* Change Shim control reg */
++		tmp = ssb_read32(dev, 0x304);
++		tmp &= ~0x100;
++		ssb_write32(dev, 0x304, tmp);
++		tmp = ssb_read32(dev, 0x304);
++
+ 		udelay(1);
+-		if (dev->id.revision == 1) { // bug in rev 1
+ 
+-			/* Change Flush control reg */
+-			tmp = ssb_read32(dev, 0x400);
+-			tmp &= ~8;
+-			ssb_write32(dev, 0x400, tmp);
+-			tmp = ssb_read32(dev, 0x400);
+-			printk("USB20H fcr: 0x%0x\n", tmp);
+-
+-			/* Change Shim control reg */
+-			tmp = ssb_read32(dev, 0x304);
+-			tmp &= ~0x100;
+-			ssb_write32(dev, 0x304, tmp);
+-			tmp = ssb_read32(dev, 0x304);
+-			printk("USB20H shim: 0x%0x\n", tmp);
++		/* Work around for 5354 failures */
++		if ((dev->id.revision == 2) && (dev->bus->chip_id == 0x5354)) {
++			/* Change syn01 reg */
++			tmp = 0x00fe00fe;
++			ssb_write32(dev, 0x894, tmp);
++
++			/* Change syn03 reg */
++			tmp = ssb_read32(dev, 0x89c);
++			tmp |= 0x1;
++			ssb_write32(dev, 0x89c, tmp);
+ 		}
+ 	} else
+ 		ssb_device_enable(dev, 0);