diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.35/022-USB-Add-ehci-ssb-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.35/022-USB-Add-ehci-ssb-driver.patch | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.35/022-USB-Add-ehci-ssb-driver.patch b/target/linux/brcm47xx/patches-2.6.35/022-USB-Add-ehci-ssb-driver.patch index 4fd4be3018..6b32df2b42 100644 --- a/target/linux/brcm47xx/patches-2.6.35/022-USB-Add-ehci-ssb-driver.patch +++ b/target/linux/brcm47xx/patches-2.6.35/022-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 @@ -53,7 +53,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> #error "missing bus glue for ehci-hcd" #endif -@@ -1220,10 +1225,21 @@ static int __init ehci_hcd_init(void) +@@ -1220,10 +1225,20 @@ static int __init ehci_hcd_init(void) if (retval < 0) goto clean4; #endif @@ -63,7 +63,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + if (retval < 0) + goto clean5; +#endif -+ return retval; +#ifdef SSB_EHCI_DRIVER @@ -76,7 +75,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> clean4: #endif #ifdef OF_PLATFORM_DRIVER -@@ -1254,6 +1270,9 @@ module_init(ehci_hcd_init); +@@ -1254,6 +1269,9 @@ module_init(ehci_hcd_init); static void __exit ehci_hcd_cleanup(void) { @@ -88,7 +87,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> #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) @@ -190,9 +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); @@ -214,12 +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); @@ -239,7 +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); |