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-rw-r--r--target/linux/brcm47xx/patches-3.2/0034-USB-OHCI-remove-old-SSB-OHCI-driver.patch357
1 files changed, 357 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/0034-USB-OHCI-remove-old-SSB-OHCI-driver.patch b/target/linux/brcm47xx/patches-3.2/0034-USB-OHCI-remove-old-SSB-OHCI-driver.patch
new file mode 100644
index 0000000000..2e859f1f47
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.2/0034-USB-OHCI-remove-old-SSB-OHCI-driver.patch
@@ -0,0 +1,357 @@
+From 77190e21ed262397eb924e6d48e12ecf3e9f6316 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sat, 26 Nov 2011 21:36:50 +0100
+Subject: [PATCH 21/30] USB: OHCI: remove old SSB OHCI driver
+
+This is now replaced by the new ssb USB driver, which also supports
+devices with an EHCI controller.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/usb/host/Kconfig | 13 --
+ drivers/usb/host/ohci-hcd.c | 19 ---
+ drivers/usb/host/ohci-ssb.c | 260 -------------------------------------------
+ 3 files changed, 0 insertions(+), 292 deletions(-)
+ delete mode 100644 drivers/usb/host/ohci-ssb.c
+
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -351,19 +351,6 @@ 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 = y || SSB = USB_OHCI_HCD) && 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_SH
+ bool "OHCI support for SuperH USB controller"
+ depends on USB_OHCI_HCD && SUPERH
+--- a/drivers/usb/host/ohci-hcd.c
++++ b/drivers/usb/host/ohci-hcd.c
+@@ -1076,11 +1076,6 @@ 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
+-
+ #ifdef CONFIG_MFD_SM501
+ #include "ohci-sm501.c"
+ #define SM501_OHCI_DRIVER ohci_hcd_sm501_driver
+@@ -1130,7 +1125,6 @@ MODULE_LICENSE ("GPL");
+ !defined(PS3_SYSTEM_BUS_DRIVER) && \
+ !defined(SM501_OHCI_DRIVER) && \
+ !defined(TMIO_OHCI_DRIVER) && \
+- !defined(SSB_OHCI_DRIVER) && \
+ !defined(PLATFORM_OHCI_DRIVER)
+ #error "missing bus glue for ohci-hcd"
+ #endif
+@@ -1197,12 +1191,6 @@ 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
+-
+ #ifdef SM501_OHCI_DRIVER
+ retval = platform_driver_register(&SM501_OHCI_DRIVER);
+ if (retval < 0)
+@@ -1236,10 +1224,6 @@ static int __init ohci_hcd_mod_init(void
+ platform_driver_unregister(&SM501_OHCI_DRIVER);
+ error_sm501:
+ #endif
+-#ifdef SSB_OHCI_DRIVER
+- ssb_driver_unregister(&SSB_OHCI_DRIVER);
+- error_ssb:
+-#endif
+ #ifdef PCI_DRIVER
+ pci_unregister_driver(&PCI_DRIVER);
+ error_pci:
+@@ -1290,9 +1274,6 @@ static void __exit ohci_hcd_mod_exit(voi
+ #ifdef SM501_OHCI_DRIVER
+ platform_driver_unregister(&SM501_OHCI_DRIVER);
+ #endif
+-#ifdef SSB_OHCI_DRIVER
+- ssb_driver_unregister(&SSB_OHCI_DRIVER);
+-#endif
+ #ifdef PCI_DRIVER
+ pci_unregister_driver(&PCI_DRIVER);
+ #endif
+--- a/drivers/usb/host/ohci-ssb.c
++++ /dev/null
+@@ -1,260 +0,0 @@
+-/*
+- * Sonics Silicon Backplane
+- * Broadcom USB-core OHCI driver
+- *
+- * Copyright 2007 Michael Buesch <m@bues.ch>
+- *
+- * 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;
+-}
+-
+-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,
+-
+- .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,
+-#ifdef CONFIG_PM
+- .bus_suspend = ohci_bus_suspend,
+- .bus_resume = ohci_bus_resume,
+-#endif
+-
+- .start_port_reset = ohci_start_port_reset,
+-};
+-
+-static void ssb_ohci_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);
+- 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 (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
+- dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
+- return -EOPNOTSUPP;
+-
+- if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
+- /* Put the device into host-mode. */
+- flags |= SSB_OHCI_TMSLOW_HOSTMODE;
+- ssb_device_enable(dev, flags);
+- } else if (dev->id.coreid == SSB_DEV_USB20_HOST) {
+- /*
+- * USB 2.0 special considerations:
+- *
+- * 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);
+-
+- /* 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);
+-
+- /* 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);
+-
+- hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
+- dev_name(dev->dev));
+- 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);
+-
+- ohci_finish_controller_resume(hcd);
+- 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_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_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,
+-};