mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 14:50:38 +02:00
219280afea
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21543 3c298f89-4303-0410-b956-a3cf2f4a3e73
272 lines
6.7 KiB
Diff
272 lines
6.7 KiB
Diff
---
|
|
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
|
|
@@ -132,6 +132,19 @@ 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
|
|
@@ -1142,8 +1142,16 @@ MODULE_LICENSE ("GPL");
|
|
#define PLATFORM_DRIVER ehci_atmel_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 +1,158 @@
|
|
+/*
|
|
+ * 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_reset(ehci);
|
|
+
|
|
+ return err;
|
|
+}
|
|
+
|
|
+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 = ehci_run,
|
|
+ .stop = ehci_stop,
|
|
+ .shutdown = ehci_shutdown,
|
|
+
|
|
+ .urb_enqueue = ehci_urb_enqueue,
|
|
+ .urb_dequeue = ehci_urb_dequeue,
|
|
+ .endpoint_disable = ehci_endpoint_disable,
|
|
+ .endpoint_reset = ehci_endpoint_reset,
|
|
+
|
|
+ .get_frame_number = ehci_get_frame,
|
|
+
|
|
+ .hub_status_data = ehci_hub_status_data,
|
|
+ .hub_control = ehci_hub_control,
|
|
+ .bus_suspend = ehci_bus_suspend,
|
|
+ .bus_resume = ehci_bus_resume,
|
|
+ .relinquish_port = ehci_relinquish_port,
|
|
+ .port_handed_over = ehci_port_handed_over,
|
|
+
|
|
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
|
|
+};
|
|
+
|
|
+static void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd)
|
|
+{
|
|
+ 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);
|
|
+}
|
|
+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:
|