diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.25/230-ohci-ssb.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.25/230-ohci-ssb.patch | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.25/230-ohci-ssb.patch b/target/linux/brcm47xx/patches-2.6.25/230-ohci-ssb.patch deleted file mode 100644 index 5be1a66c58..0000000000 --- a/target/linux/brcm47xx/patches-2.6.25/230-ohci-ssb.patch +++ /dev/null @@ -1,345 +0,0 @@ -From: Michael Buesch <mb@bu3sch.de> -Date: Wed, 10 Oct 2007 06:47:17 +0000 (-0700) -Subject: USB: ohci SSB bus glue -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fralf%2Flinux.git;a=commitdiff_plain;h=c604e851486eabcbeb73e984279d436ce121fd5d - -USB: ohci SSB bus glue - -This adds SSB bus glue for the USB OHCI HCD. - -Signed-off-by: Michael Buesch <mb@bu3sch.de> -Signed-off-by: John W. Linville <linville@tuxdriver.com> -Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> -Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> ---- - -Index: linux-2.6.23.16/drivers/usb/host/Kconfig -=================================================================== ---- linux-2.6.23.16.orig/drivers/usb/host/Kconfig 2008-02-19 00:47:29.000000000 +0100 -+++ linux-2.6.23.16/drivers/usb/host/Kconfig 2008-02-19 00:47:51.000000000 +0100 -@@ -154,6 +154,19 @@ config USB_OHCI_HCD_PCI - Enables support for PCI-bus plug-in USB controller cards. - If unsure, say Y. - -+config USB_OHCI_HCD_SSB -+ bool "OHCI support for Broadcom SSB OHCI core" -+ depends on USB_OHCI_HCD && SSB && EXPERIMENTAL -+ default n -+ ---help--- -+ Support for the Sonics Silicon Backplane (SSB) attached -+ Broadcom USB OHCI core. -+ -+ This device is present in some embedded devices with -+ Broadcom based SSB bus. -+ -+ If unsure, say N. -+ - config USB_OHCI_BIG_ENDIAN_DESC - bool - depends on USB_OHCI_HCD -Index: linux-2.6.23.16/drivers/usb/host/ohci-hcd.c -=================================================================== ---- linux-2.6.23.16.orig/drivers/usb/host/ohci-hcd.c 2008-02-19 00:47:29.000000000 +0100 -+++ linux-2.6.23.16/drivers/usb/host/ohci-hcd.c 2008-02-19 00:47:51.000000000 +0100 -@@ -926,11 +926,17 @@ MODULE_LICENSE ("GPL"); - #define PS3_SYSTEM_BUS_DRIVER ps3_ohci_driver - #endif - -+#ifdef CONFIG_USB_OHCI_HCD_SSB -+#include "ohci-ssb.c" -+#define SSB_OHCI_DRIVER ssb_ohci_driver -+#endif -+ - #if !defined(PCI_DRIVER) && \ - !defined(PLATFORM_DRIVER) && \ - !defined(OF_PLATFORM_DRIVER) && \ - !defined(SA1111_DRIVER) && \ -- !defined(PS3_SYSTEM_BUS_DRIVER) -+ !defined(PS3_SYSTEM_BUS_DRIVER) && \ -+ !defined(SSB_OHCI_DRIVER) - #error "missing bus glue for ohci-hcd" - #endif - -@@ -975,10 +981,20 @@ static int __init ohci_hcd_mod_init(void - goto error_pci; - #endif - -+#ifdef SSB_OHCI_DRIVER -+ retval = ssb_driver_register(&SSB_OHCI_DRIVER); -+ if (retval) -+ goto error_ssb; -+#endif -+ - return retval; - - /* Error path */ -+#ifdef SSB_OHCI_DRIVER -+ error_ssb: -+#endif - #ifdef PCI_DRIVER -+ pci_unregister_driver(&PCI_DRIVER); - error_pci: - #endif - #ifdef SA1111_DRIVER -@@ -1003,6 +1019,9 @@ module_init(ohci_hcd_mod_init); - - static void __exit ohci_hcd_mod_exit(void) - { -+#ifdef SSB_OHCI_DRIVER -+ ssb_driver_unregister(&SSB_OHCI_DRIVER); -+#endif - #ifdef PCI_DRIVER - pci_unregister_driver(&PCI_DRIVER); - #endif -Index: linux-2.6.23.16/drivers/usb/host/ohci-ssb.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.23.16/drivers/usb/host/ohci-ssb.c 2008-02-19 00:47:51.000000000 +0100 -@@ -0,0 +1,247 @@ -+/* -+ * Sonics Silicon Backplane -+ * Broadcom USB-core OHCI driver -+ * -+ * Copyright 2007 Michael Buesch <mb@bu3sch.de> -+ * -+ * Derived from the OHCI-PCI driver -+ * Copyright 1999 Roman Weissgaerber -+ * Copyright 2000-2002 David Brownell -+ * Copyright 1999 Linus Torvalds -+ * Copyright 1999 Gregory P. Smith -+ * -+ * Derived from the USBcore related parts of Broadcom-SB -+ * Copyright 2005 Broadcom Corporation -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+#include <linux/ssb/ssb.h> -+ -+ -+#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29) -+ -+struct ssb_ohci_device { -+ struct ohci_hcd ohci; /* _must_ be at the beginning. */ -+ -+ u32 enable_flags; -+}; -+ -+static inline -+struct ssb_ohci_device *hcd_to_ssb_ohci(struct usb_hcd *hcd) -+{ -+ return (struct ssb_ohci_device *)(hcd->hcd_priv); -+} -+ -+ -+static int ssb_ohci_reset(struct usb_hcd *hcd) -+{ -+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); -+ struct ohci_hcd *ohci = &ohcidev->ohci; -+ int err; -+ -+ ohci_hcd_init(ohci); -+ err = ohci_init(ohci); -+ -+ return err; -+} -+ -+static int ssb_ohci_start(struct usb_hcd *hcd) -+{ -+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); -+ struct ohci_hcd *ohci = &ohcidev->ohci; -+ int err; -+ -+ err = ohci_run(ohci); -+ if (err < 0) { -+ ohci_err(ohci, "can't start\n"); -+ ohci_stop(hcd); -+ } -+ -+ return err; -+} -+ -+#ifdef CONFIG_PM -+static int ssb_ohci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message) -+{ -+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); -+ struct ohci_hcd *ohci = &ohcidev->ohci; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&ohci->lock, flags); -+ -+ ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); -+ ohci_readl(ohci, &ohci->regs->intrdisable); /* commit write */ -+ -+ /* make sure snapshot being resumed re-enumerates everything */ -+ if (message.event == PM_EVENT_PRETHAW) -+ ohci_usb_reset(ohci); -+ -+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); -+ -+ spin_unlock_irqrestore(&ohci->lock, flags); -+ return 0; -+} -+ -+static int ssb_ohci_hcd_resume(struct usb_hcd *hcd) -+{ -+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); -+ usb_hcd_resume_root_hub(hcd); -+ return 0; -+} -+#endif /* CONFIG_PM */ -+ -+static const struct hc_driver ssb_ohci_hc_driver = { -+ .description = "ssb-usb-ohci", -+ .product_desc = "SSB OHCI Controller", -+ .hcd_priv_size = sizeof(struct ssb_ohci_device), -+ -+ .irq = ohci_irq, -+ .flags = HCD_MEMORY | HCD_USB11, -+ -+ .reset = ssb_ohci_reset, -+ .start = ssb_ohci_start, -+ .stop = ohci_stop, -+ .shutdown = ohci_shutdown, -+ -+#ifdef CONFIG_PM -+ .suspend = ssb_ohci_hcd_suspend, -+ .resume = ssb_ohci_hcd_resume, -+#endif -+ -+ .urb_enqueue = ohci_urb_enqueue, -+ .urb_dequeue = ohci_urb_dequeue, -+ .endpoint_disable = ohci_endpoint_disable, -+ -+ .get_frame_number = ohci_get_frame, -+ -+ .hub_status_data = ohci_hub_status_data, -+ .hub_control = ohci_hub_control, -+ .hub_irq_enable = ohci_rhsc_enable, -+ .bus_suspend = ohci_bus_suspend, -+ .bus_resume = ohci_bus_resume, -+ -+ .start_port_reset = ohci_start_port_reset, -+}; -+ -+static void ssb_ohci_detach(struct ssb_device *dev) -+{ -+ struct usb_hcd *hcd = ssb_get_drvdata(dev); -+ -+ usb_remove_hcd(hcd); -+ iounmap(hcd->regs); -+ usb_put_hcd(hcd); -+ ssb_device_disable(dev, 0); -+} -+ -+static int ssb_ohci_attach(struct ssb_device *dev) -+{ -+ struct ssb_ohci_device *ohcidev; -+ struct usb_hcd *hcd; -+ int err = -ENOMEM; -+ u32 tmp, flags = 0; -+ -+ if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) -+ flags |= SSB_OHCI_TMSLOW_HOSTMODE; -+ -+ ssb_device_enable(dev, flags); -+ -+ hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, -+ dev->dev->bus_id); -+ if (!hcd) -+ goto err_dev_disable; -+ ohcidev = hcd_to_ssb_ohci(hcd); -+ ohcidev->enable_flags = flags; -+ -+ tmp = ssb_read32(dev, SSB_ADMATCH0); -+ hcd->rsrc_start = ssb_admatch_base(tmp); -+ hcd->rsrc_len = ssb_admatch_size(tmp); -+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); -+ if (!hcd->regs) -+ goto err_put_hcd; -+ err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED); -+ if (err) -+ goto err_iounmap; -+ -+ ssb_set_drvdata(dev, hcd); -+ -+ return err; -+ -+err_iounmap: -+ iounmap(hcd->regs); -+err_put_hcd: -+ usb_put_hcd(hcd); -+err_dev_disable: -+ ssb_device_disable(dev, flags); -+ return err; -+} -+ -+static int ssb_ohci_probe(struct ssb_device *dev, -+ const struct ssb_device_id *id) -+{ -+ int err; -+ u16 chipid_top; -+ -+ /* USBcores are only connected on embedded devices. */ -+ chipid_top = (dev->bus->chip_id & 0xFF00); -+ if (chipid_top != 0x4700 && chipid_top != 0x5300) -+ return -ENODEV; -+ -+ /* TODO: Probably need checks here; is the core connected? */ -+ -+ if (usb_disabled()) -+ return -ENODEV; -+ -+ /* We currently always attach SSB_DEV_USB11_HOSTDEV -+ * as HOST OHCI. If we want to attach it as Client device, -+ * we must branch here and call into the (yet to -+ * be written) Client mode driver. Same for remove(). */ -+ -+ err = ssb_ohci_attach(dev); -+ -+ return err; -+} -+ -+static void ssb_ohci_remove(struct ssb_device *dev) -+{ -+ ssb_ohci_detach(dev); -+} -+ -+#ifdef CONFIG_PM -+ -+static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state) -+{ -+ ssb_device_disable(dev, 0); -+ -+ return 0; -+} -+ -+static int ssb_ohci_resume(struct ssb_device *dev) -+{ -+ struct usb_hcd *hcd = ssb_get_drvdata(dev); -+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); -+ -+ ssb_device_enable(dev, ohcidev->enable_flags); -+ -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define ssb_ohci_suspend NULL -+#define ssb_ohci_resume NULL -+#endif /* CONFIG_PM */ -+ -+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), -+ SSB_DEVTABLE_END -+}; -+MODULE_DEVICE_TABLE(ssb, ssb_ohci_table); -+ -+static struct ssb_driver ssb_ohci_driver = { -+ .name = KBUILD_MODNAME, -+ .id_table = ssb_ohci_table, -+ .probe = ssb_ohci_probe, -+ .remove = ssb_ohci_remove, -+ .suspend = ssb_ohci_suspend, -+ .resume = ssb_ohci_resume, -+}; |