---- 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);
+ 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),
---- 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;
---- 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.
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
#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
+ 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;
+
+ 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>
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);
--- /dev/null
+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);
projects / openwrt.git / commitdiff