diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch b/target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch index 10cefac639..1e5092cf7e 100644 --- a/target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch +++ b/target/linux/brcm47xx/patches-2.6.34/022-USB-Add-ehci-ssb-driver.patch @@ -1,4 +1,4 @@ -From cb269cf1f97c316a5184080814a751687c72b718 Mon Sep 17 00:00:00 2001 +From ad224c0d5fa0fc05f8aaef3c19fc9b4eb275a5d2 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens <hauke@hauke-m.de> Date: Sun, 18 Jul 2010 21:29:40 +0200 Subject: [PATCH 2/2] USB: Add ehci ssb driver @@ -8,9 +8,9 @@ Support for the Sonics Silicon Backplane (SSB) attached Broadcom USB EHCI core. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- drivers/usb/host/Kconfig | 13 ++ - drivers/usb/host/ehci-hcd.c | 23 ++++- - drivers/usb/host/ehci-ssb.c | 258 +++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 292 insertions(+), 2 deletions(-) + drivers/usb/host/ehci-hcd.c | 22 ++++- + drivers/usb/host/ehci-ssb.c | 255 +++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 288 insertions(+), 2 deletions(-) create mode 100644 drivers/usb/host/ehci-ssb.c --- a/drivers/usb/host/Kconfig @@ -75,19 +75,19 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> clean3: #endif #ifdef PS3_SYSTEM_BUS_DRIVER -@@ -1256,6 +1272,9 @@ static void __exit ehci_hcd_cleanup(void - #ifdef PS3_SYSTEM_BUS_DRIVER - ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); - #endif +@@ -1244,6 +1260,9 @@ module_init(ehci_hcd_init); + + static void __exit ehci_hcd_cleanup(void) + { +#ifdef SSB_EHCI_DRIVER + ssb_driver_unregister(&SSB_EHCI_DRIVER); +#endif - #ifdef DEBUG - debugfs_remove(ehci_debug_root); + #ifdef OF_PLATFORM_DRIVER + of_unregister_platform_driver(&OF_PLATFORM_DRIVER); #endif --- /dev/null +++ b/drivers/usb/host/ehci-ssb.c -@@ -0,0 +1,258 @@ +@@ -0,0 +1,255 @@ +/* + * Sonics Silicon Backplane + * Broadcom USB-core EHCI driver (SSB bus glue) @@ -189,9 +189,9 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +static void ssb_ehci_detach(struct ssb_device *dev) +{ + 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); @@ -213,12 +213,9 @@ 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); @@ -238,7 +235,7 @@ 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); |