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Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.31/270-ehci-ssb.patch')
-rw-r--r--target/linux/brcm47xx/patches-2.6.31/270-ehci-ssb.patch314
1 files changed, 0 insertions, 314 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.31/270-ehci-ssb.patch b/target/linux/brcm47xx/patches-2.6.31/270-ehci-ssb.patch
deleted file mode 100644
index 8dc3ccd026..0000000000
--- a/target/linux/brcm47xx/patches-2.6.31/270-ehci-ssb.patch
+++ /dev/null
@@ -1,314 +0,0 @@
----
- drivers/usb/host/Kconfig | 13 ++
- drivers/usb/host/ehci-hcd.c | 12 ++
- drivers/usb/host/ehci-ssb.c | 201 ++++++++++++++++++++++++++++++++++++++++++++
- drivers/usb/host/ohci-ssb.c | 23 +++++
- 4 files changed, 247 insertions(+), 2 deletions(-)
-
---- a/drivers/usb/host/Kconfig
-+++ b/drivers/usb/host/Kconfig
-@@ -126,6 +126,19 @@ config USB_OXU210HP_HCD
- To compile this driver as a module, choose M here: the
- module will be called oxu210hp-hcd.
-
-+config USB_EHCI_HCD_SSB
-+ bool "EHCI support for Broadcom SSB EHCI core"
-+ depends on USB_EHCI_HCD && SSB && EXPERIMENTAL
-+ default n
-+ ---help---
-+ Support for the Sonics Silicon Backplane (SSB) attached
-+ Broadcom USB EHCI core.
-+
-+ This device is present in some embedded devices with
-+ Broadcom based SSB bus.
-+
-+ If unsure, say N.
-+
- config USB_ISP116X_HCD
- tristate "ISP116X HCD support"
- depends on USB
---- a/drivers/usb/host/ehci-hcd.c
-+++ b/drivers/usb/host/ehci-hcd.c
-@@ -1119,8 +1119,16 @@ MODULE_LICENSE ("GPL");
- #define PLATFORM_DRIVER ixp4xx_ehci_driver
- #endif
-
--#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
-- !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER)
-+#ifdef CONFIG_USB_EHCI_HCD_SSB
-+#include "ehci-ssb.c"
-+#define SSB_EHCI_DRIVER ssb_ehci_driver
-+#endif
-+
-+#if !defined(PCI_DRIVER) && \
-+ !defined(PLATFORM_DRIVER) && \
-+ !defined(PS3_SYSTEM_BUS_DRIVER) && \
-+ !defined(OF_PLATFORM_DRIVER) && \
-+ !defined(SSB_EHCI_DRIVER)
- #error "missing bus glue for ehci-hcd"
- #endif
-
---- /dev/null
-+++ b/drivers/usb/host/ehci-ssb.c
-@@ -0,0 +1,201 @@
-+/*
-+ * Sonics Silicon Backplane
-+ * Broadcom USB-core EHCI driver (SSB bus glue)
-+ *
-+ * Copyright 2007 Steven Brown <sbrown@cortland.com>
-+ *
-+ * Derived from the OHCI-SSB driver
-+ * Copyright 2007 Michael Buesch <mb@bu3sch.de>
-+ *
-+ * Derived from the EHCI-PCI driver
-+ * Copyright (c) 2000-2004 by David Brownell
-+ *
-+ * 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_ehci_device {
-+ struct ehci_hcd ehci; /* _must_ be at the beginning. */
-+
-+ u32 enable_flags;
-+};
-+
-+static inline
-+struct ssb_ehci_device *hcd_to_ssb_ehci(struct usb_hcd *hcd)
-+{
-+ return (struct ssb_ehci_device *)(hcd->hcd_priv);
-+}
-+
-+
-+static int ssb_ehci_reset(struct usb_hcd *hcd)
-+{
-+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-+ int err;
-+
-+ ehci->caps = hcd->regs;
-+ ehci->regs = hcd->regs +
-+ HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
-+
-+ dbg_hcs_params(ehci, "reset");
-+ dbg_hcc_params(ehci, "reset");
-+
-+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-+
-+ err = ehci_halt(ehci);
-+
-+ if (err)
-+ return err;
-+
-+ err = ehci_init(hcd);
-+
-+ if (err)
-+ return err;
-+
-+ ehci_port_power(ehci, 0);
-+
-+ return err;
-+}
-+
-+static int ssb_ehci_start(struct usb_hcd *hcd)
-+{
-+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-+ int err;
-+
-+ err = ehci_run(hcd);
-+ if (err < 0) {
-+ ehci_err(ehci, "can't start\n");
-+ ehci_stop(hcd);
-+ }
-+
-+ return err;
-+}
-+
-+#ifdef CONFIG_PM
-+static int ssb_ehci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message)
-+{
-+ struct ssb_ehci_device *ehcidev = hcd_to_ssb_ehci(hcd);
-+ struct ehci_hcd *ehci = &ehcidev->ehci;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&ehci->lock, flags);
-+
-+ ehci_writel(ehci, EHCI_INTR_MIE, &ehci->regs->intrdisable);
-+ ehci_readl(ehci, &ehci->regs->intrdisable); /* commit write */
-+
-+ /* make sure snapshot being resumed re-enumerates everything */
-+ if (message.event == PM_EVENT_PRETHAW)
-+ ehci_usb_reset(ehci);
-+
-+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-+
-+ spin_unlock_irqrestore(&ehci->lock, flags);
-+ return 0;
-+}
-+
-+static int ssb_ehci_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_ehci_hc_driver = {
-+ .description = "ssb-usb-ehci",
-+ .product_desc = "SSB EHCI Controller",
-+ .hcd_priv_size = sizeof(struct ssb_ehci_device),
-+
-+ .irq = ehci_irq,
-+ .flags = HCD_MEMORY | HCD_USB2,
-+
-+ .reset = ssb_ehci_reset,
-+ .start = ssb_ehci_start,
-+ .stop = ehci_stop,
-+ .shutdown = ehci_shutdown,
-+
-+#ifdef CONFIG_PM
-+ .suspend = ssb_ehci_hcd_suspend,
-+ .resume = ssb_ehci_hcd_resume,
-+#endif
-+
-+ .urb_enqueue = ehci_urb_enqueue,
-+ .urb_dequeue = ehci_urb_dequeue,
-+ .endpoint_disable = ehci_endpoint_disable,
-+
-+ .get_frame_number = ehci_get_frame,
-+
-+ .hub_status_data = ehci_hub_status_data,
-+ .hub_control = ehci_hub_control,
-+#ifdef CONFIG_PM
-+ .bus_suspend = ehci_bus_suspend,
-+ .bus_resume = ehci_bus_resume,
-+#endif
-+
-+};
-+
-+static void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd)
-+{
-+
-+ usb_remove_hcd(hcd);
-+ iounmap(hcd->regs);
-+ usb_put_hcd(hcd);
-+}
-+EXPORT_SYMBOL_GPL(ssb_ehci_detach);
-+
-+static int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **ehci_hcd)
-+{
-+ struct ssb_ehci_device *ehcidev;
-+ struct usb_hcd *hcd;
-+ int err = -ENOMEM;
-+ u32 tmp, flags = 0;
-+
-+ hcd = usb_create_hcd(&ssb_ehci_hc_driver, dev->dev,
-+ dev_name(dev->dev));
-+ if (!hcd)
-+ goto err_dev_disable;
-+
-+ ehcidev = hcd_to_ssb_ehci(hcd);
-+ ehcidev->enable_flags = flags;
-+ tmp = ssb_read32(dev, SSB_ADMATCH0);
-+ hcd->rsrc_start = ssb_admatch_base(tmp) + 0x800; /* ehci core offset */
-+ hcd->rsrc_len = 0x100; /* ehci reg block size */
-+ /*
-+ * start & size modified per sbutils.c
-+ */
-+ 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 | IRQF_DISABLED);
-+ if (err)
-+ goto err_iounmap;
-+
-+ *ehci_hcd = 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;
-+}
-+EXPORT_SYMBOL_GPL(ssb_ehci_attach);
-+
-+static const struct ssb_device_id ssb_ehci_table[] = {
-+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
-+ SSB_DEVTABLE_END
-+};
-+MODULE_DEVICE_TABLE(ssb, ssb_ehci_table);
---- a/drivers/usb/host/ohci-ssb.c
-+++ b/drivers/usb/host/ohci-ssb.c
-@@ -17,6 +17,8 @@
- */
- #include <linux/ssb/ssb.h>
-
-+extern int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **hcd);
-+extern void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd);
-
- #define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
-
-@@ -24,6 +26,7 @@ struct ssb_ohci_device {
- struct ohci_hcd ohci; /* _must_ be at the beginning. */
-
- u32 enable_flags;
-+ struct usb_hcd *ehci_hcd;
- };
-
- static inline
-@@ -92,13 +95,25 @@ static const struct hc_driver ssb_ohci_h
- static void ssb_ohci_detach(struct ssb_device *dev)
- {
- struct usb_hcd *hcd = ssb_get_drvdata(dev);
-+#ifdef CONFIG_USB_EHCI_HCD_SSB
-+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
-+#endif
-
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- usb_put_hcd(hcd);
-+
-+#ifdef CONFIG_USB_EHCI_HCD_SSB
-+ /*
-+ * Also detach ehci function
-+ */
-+ if (dev->id.coreid == SSB_DEV_USB20_HOST)
-+ ssb_ehci_detach(dev, ohcidev->ehci_hcd);
-+#endif
- ssb_device_disable(dev, 0);
- }
-
-+
- static int ssb_ohci_attach(struct ssb_device *dev)
- {
- struct ssb_ohci_device *ohcidev;
-@@ -165,6 +180,14 @@ static int ssb_ohci_attach(struct ssb_de
-
- ssb_set_drvdata(dev, hcd);
-
-+#ifdef CONFIG_USB_EHCI_HCD_SSB
-+ /*
-+ * attach ehci function in this core
-+ */
-+ if (dev->id.coreid == SSB_DEV_USB20_HOST)
-+ err = ssb_ehci_attach(dev, &(ohcidev->ehci_hcd));
-+#endif
-+
- return err;
-
- err_iounmap:
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 17:50:44 +0000