diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/186-USB-OHCI-remove-old-SSB-OHCI-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.2/186-USB-OHCI-remove-old-SSB-OHCI-driver.patch | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/186-USB-OHCI-remove-old-SSB-OHCI-driver.patch b/target/linux/brcm47xx/patches-3.2/186-USB-OHCI-remove-old-SSB-OHCI-driver.patch new file mode 100644 index 0000000000..89a7df9ea8 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.2/186-USB-OHCI-remove-old-SSB-OHCI-driver.patch @@ -0,0 +1,359 @@ +From 57857d7df6c22eaf11e3c67042d55a9546415059 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 186/186] 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 | 21 +---- + drivers/usb/host/ohci-ssb.c | 260 ------------------------------------------- + 3 files changed, 1 insertions(+), 293 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 +@@ -1129,8 +1124,7 @@ MODULE_LICENSE ("GPL"); + !defined(SA1111_DRIVER) && \ + !defined(PS3_SYSTEM_BUS_DRIVER) && \ + !defined(SM501_OHCI_DRIVER) && \ +- !defined(TMIO_OHCI_DRIVER) && \ +- !defined(SSB_OHCI_DRIVER) ++ !defined(TMIO_OHCI_DRIVER) + #error "missing bus glue for ohci-hcd" + #endif + +@@ -1196,12 +1190,6 @@ 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) +@@ -1225,10 +1213,6 @@ 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: +@@ -1276,9 +1260,6 @@ 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, +-}; |