hsist
/
freifunkist-firmware
6
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity

bcm47xx: Clean up USB patches

Browse Source 
SVN-Revision: 17530
master
Michael Büsch 15 years ago
parent 488d168c25
commit 82f1314a35
3 changed files with 53 additions and 56 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 58
      target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch
  2. 28
      target/linux/brcm47xx/patches-2.6.28/260-ohci-set-dma-mask.patch
  3. 23
      target/linux/brcm47xx/patches-2.6.28/270-ehci-ssb.patch

58
target/linux/brcm47xx/patches-2.6.28/250-ohci-ssb-usb2.patch
Unescape View File

@ -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),

28
target/linux/brcm47xx/patches-2.6.28/260-ohci-set-dma-mask.patch
Unescape View File

@ -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;

23
target/linux/brcm47xx/patches-2.6.28/270-ehci-ssb.patch
Unescape View File

@ -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-2.6.28.10.orig/drivers/usb/host/Kconfig
+++ linux-2.6.28.10/drivers/usb/host/Kconfig
@@ -96,6 +96,19 @@ config USB_EHCI_HCD_PPC_OF
Enables support for the USB controller present on the PowerPC
OpenFirmware platform bus.
@ -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-2.6.28.10.orig/drivers/usb/host/ehci-hcd.c
+++ linux-2.6.28.10/drivers/usb/host/ehci-hcd.c
@@ -1036,8 +1036,16 @@ 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-2.6.28.10/drivers/usb/host/ehci-ssb.c
@@ -0,0 +1,201 @@
+/*
+ * Sonics Silicon Backplane
@ -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-2.6.28.10.orig/drivers/usb/host/ohci-ssb.c
+++ linux-2.6.28.10/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);

Write Preview
Loading…
Cancel
Save