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authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt')
-rw-r--r--packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt349
1 files changed, 0 insertions, 349 deletions
diff --git a/packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt b/packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt
deleted file mode 100644
index 2b53e487f8..0000000000
--- a/packages/linux/linux-efika-2.6.20/0009-ohci-Add-support-for-OHCI-controller-on-the-of_platform-bus.txt
+++ /dev/null
@@ -1,349 +0,0 @@
-From 944afcaa19737396ed514e3e845a3db2de9377f3 Mon Sep 17 00:00:00 2001
-From: Sylvain Munaut <tnt@246tNt.com>
-Date: Wed, 13 Dec 2006 21:03:30 +0100
-Subject: [PATCH] [PATCH] ohci: Add support for OHCI controller on the of_platform bus
-
-PPC embedded systems can have a ohci controller builtin. In the
-new model, it will end up as a driver on the of_platform bus,
-this patches takes care of them.
-
-Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
-Acked-by: David Brownell <dbrownell@users.sourceforge.net>
-Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
----
- drivers/usb/host/Kconfig | 23 ++++-
- drivers/usb/host/ohci-hcd.c | 20 ++++
- drivers/usb/host/ohci-ppc-of.c | 232 ++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 274 insertions(+), 1 deletions(-)
-
-diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
-index faabce8..c49715d 100644
---- a/drivers/usb/host/Kconfig
-+++ b/drivers/usb/host/Kconfig
-@@ -107,9 +107,30 @@ config USB_OHCI_HCD_PPC_SOC
- Enables support for the USB controller on the MPC52xx or
- STB03xxx processor chip. If unsure, say Y.
-
-+config USB_OHCI_HCD_PPC_OF
-+ bool "OHCI support for PPC USB controller on OF platform bus"
-+ depends on USB_OHCI_HCD && PPC_OF
-+ default y
-+ ---help---
-+ Enables support for the USB controller PowerPC present on the
-+ OpenFirmware platform bus.
-+
-+config USB_OHCI_HCD_PPC_OF_BE
-+ bool "Support big endian HC"
-+ depends on USB_OHCI_HCD_PPC_OF
-+ default y
-+ select USB_OHCI_BIG_ENDIAN_DESC
-+ select USB_OHCI_BIG_ENDIAN_MMIO
-+
-+config USB_OHCI_HCD_PPC_OF_LE
-+ bool "Support little endian HC"
-+ depends on USB_OHCI_HCD_PPC_OF
-+ default n
-+ select USB_OHCI_LITTLE_ENDIAN
-+
- config USB_OHCI_HCD_PCI
- bool "OHCI support for PCI-bus USB controllers"
-- depends on USB_OHCI_HCD && PCI && (STB03xxx || PPC_MPC52xx)
-+ depends on USB_OHCI_HCD && PCI && (STB03xxx || PPC_MPC52xx || USB_OHCI_HCD_PPC_OF)
- default y
- select USB_OHCI_LITTLE_ENDIAN
- ---help---
-diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
-index 9926b8f..c6ae1ff 100644
---- a/drivers/usb/host/ohci-hcd.c
-+++ b/drivers/usb/host/ohci-hcd.c
-@@ -914,8 +914,14 @@ MODULE_LICENSE ("GPL");
- #endif
-
-
-+#ifdef CONFIG_USB_OHCI_HCD_PPC_OF
-+#include "ohci-ppc-of.c"
-+#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
-+#endif
-+
- #if !defined(PCI_DRIVER) && \
- !defined(PLATFORM_DRIVER) && \
-+ !defined(OF_PLATFORM_DRIVER) && \
- !defined(SA1111_DRIVER)
- #error "missing bus glue for ohci-hcd"
- #endif
-@@ -939,6 +945,13 @@ static int __init ohci_hcd_mod_init(void)
- ls++;
- #endif
-
-+#ifdef OF_PLATFORM_DRIVER
-+ retval = of_register_platform_driver(&OF_PLATFORM_DRIVER);
-+ if (retval < 0)
-+ goto error;
-+ ls++;
-+#endif
-+
- #ifdef SA1111_DRIVER
- retval = sa1111_driver_register(&SA1111_DRIVER);
- if (retval < 0)
-@@ -961,6 +974,10 @@ error:
- if (ls--)
- platform_driver_unregister(&PLATFORM_DRIVER);
- #endif
-+#ifdef OF_PLATFORM_DRIVER
-+ if (ls--)
-+ of_unregister_platform_driver(&OF_PLATFORM_DRIVER);
-+#endif
- #ifdef SA1111_DRIVER
- if (ls--)
- sa1111_driver_unregister(&SA1111_DRIVER);
-@@ -977,6 +994,9 @@ static void __exit ohci_hcd_mod_exit(void)
- #ifdef SA1111_DRIVER
- sa1111_driver_unregister(&SA1111_DRIVER);
- #endif
-+#ifdef OF_PLATFORM_DRIVER
-+ of_unregister_platform_driver(&OF_PLATFORM_DRIVER);
-+#endif
- #ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
- #endif
-diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
-new file mode 100644
-index 0000000..84b555b
---- /dev/null
-+++ b/drivers/usb/host/ohci-ppc-of.c
-@@ -0,0 +1,232 @@
-+/*
-+ * OHCI HCD (Host Controller Driver) for USB.
-+ *
-+ * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
-+ * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
-+ * (C) Copyright 2002 Hewlett-Packard Company
-+ * (C) Copyright 2006 Sylvain Munaut <tnt@246tNt.com>
-+ *
-+ * Bus glue for OHCI HC on the of_platform bus
-+ *
-+ * Modified for of_platform bus from ohci-sa1111.c
-+ *
-+ * This file is licenced under the GPL.
-+ */
-+
-+#include <linux/signal.h>
-+
-+#include <asm/of_platform.h>
-+#include <asm/prom.h>
-+
-+
-+static int __devinit
-+ohci_ppc_of_start(struct usb_hcd *hcd)
-+{
-+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-+ int ret;
-+
-+ if ((ret = ohci_init(ohci)) < 0)
-+ return ret;
-+
-+ if ((ret = ohci_run(ohci)) < 0) {
-+ err("can't start %s", ohci_to_hcd(ohci)->self.bus_name);
-+ ohci_stop(hcd);
-+ return ret;
-+ }
-+
-+ return 0;
-+}
-+
-+static const struct hc_driver ohci_ppc_of_hc_driver = {
-+ .description = hcd_name,
-+ .product_desc = "OF OHCI",
-+ .hcd_priv_size = sizeof(struct ohci_hcd),
-+
-+ /*
-+ * generic hardware linkage
-+ */
-+ .irq = ohci_irq,
-+ .flags = HCD_USB11 | HCD_MEMORY,
-+
-+ /*
-+ * basic lifecycle operations
-+ */
-+ .start = ohci_ppc_of_start,
-+ .stop = ohci_stop,
-+ .shutdown = ohci_shutdown,
-+
-+ /*
-+ * managing i/o requests and associated device resources
-+ */
-+ .urb_enqueue = ohci_urb_enqueue,
-+ .urb_dequeue = ohci_urb_dequeue,
-+ .endpoint_disable = ohci_endpoint_disable,
-+
-+ /*
-+ * scheduling support
-+ */
-+ .get_frame_number = ohci_get_frame,
-+
-+ /*
-+ * root hub support
-+ */
-+ .hub_status_data = ohci_hub_status_data,
-+ .hub_control = ohci_hub_control,
-+ .hub_irq_enable = ohci_rhsc_enable,
-+#ifdef CONFIG_PM
-+ .bus_suspend = ohci_bus_suspend,
-+ .bus_resume = ohci_bus_resume,
-+#endif
-+ .start_port_reset = ohci_start_port_reset,
-+};
-+
-+
-+static int __devinit
-+ohci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
-+{
-+ struct device_node *dn = op->node;
-+ struct usb_hcd *hcd;
-+ struct ohci_hcd *ohci;
-+ struct resource res;
-+ int irq;
-+
-+ int rv;
-+ int is_bigendian;
-+
-+ if (usb_disabled())
-+ return -ENODEV;
-+
-+ is_bigendian =
-+ device_is_compatible(dn, "ohci-bigendian") ||
-+ device_is_compatible(dn, "ohci-be");;
-+
-+ dev_dbg(&op->dev, "initializing PPC-OF USB Controller\n");
-+
-+ rv = of_address_to_resource(dn, 0, &res);
-+ if (rv)
-+ return rv;
-+
-+ hcd = usb_create_hcd(&ohci_ppc_of_hc_driver, &op->dev, "PPC-OF USB");
-+ if (!hcd)
-+ return -ENOMEM;
-+
-+ hcd->rsrc_start = res.start;
-+ hcd->rsrc_len = res.end - res.start + 1;
-+
-+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-+ printk(KERN_ERR __FILE__ ": request_mem_region failed\n");
-+ rv = -EBUSY;
-+ goto err_rmr;
-+ }
-+
-+ irq = irq_of_parse_and_map(dn, 0);
-+ if (irq == NO_IRQ) {
-+ printk(KERN_ERR __FILE__ ": irq_of_parse_and_map failed\n");
-+ rv = -EBUSY;
-+ goto err_irq;
-+ }
-+
-+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-+ if (!hcd->regs) {
-+ printk(KERN_ERR __FILE__ ": ioremap failed\n");
-+ rv = -ENOMEM;
-+ goto err_ioremap;
-+ }
-+
-+ ohci = hcd_to_ohci(hcd);
-+ if (is_bigendian)
-+ ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC;
-+
-+ ohci_hcd_init(ohci);
-+
-+ rv = usb_add_hcd(hcd, irq, 0);
-+ if (rv == 0)
-+ return 0;
-+
-+ iounmap(hcd->regs);
-+err_ioremap:
-+ irq_dispose_mapping(irq);
-+err_irq:
-+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-+err_rmr:
-+ usb_put_hcd(hcd);
-+
-+ return rv;
-+}
-+
-+static int ohci_hcd_ppc_of_remove(struct of_device *op)
-+{
-+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
-+ dev_set_drvdata(&op->dev, NULL);
-+
-+ dev_dbg(&op->dev, "stopping PPC-OF USB Controller\n");
-+
-+ usb_remove_hcd(hcd);
-+
-+ iounmap(hcd->regs);
-+ irq_dispose_mapping(hcd->irq);
-+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-+
-+ usb_put_hcd(hcd);
-+
-+ return 0;
-+}
-+
-+static int ohci_hcd_ppc_of_shutdown(struct of_device *op)
-+{
-+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
-+
-+ if (hcd->driver->shutdown)
-+ hcd->driver->shutdown(hcd);
-+
-+ return 0;
-+}
-+
-+
-+static struct of_device_id ohci_hcd_ppc_of_match[] = {
-+#ifdef CONFIG_USB_OHCI_HCD_PPC_OF_BE
-+ {
-+ .name = "usb",
-+ .compatible = "ohci-bigendian",
-+ },
-+ {
-+ .name = "usb",
-+ .compatible = "ohci-be",
-+ },
-+#endif
-+#ifdef CONFIG_USB_OHCI_HCD_PPC_OF_LE
-+ {
-+ .name = "usb",
-+ .compatible = "ohci-littledian",
-+ },
-+ {
-+ .name = "usb",
-+ .compatible = "ohci-le",
-+ },
-+#endif
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, ohci_hcd_ppc_of_match);
-+
-+#if !defined(CONFIG_USB_OHCI_HCD_PPC_OF_BE) && \
-+ !defined(CONFIG_USB_OHCI_HCD_PPC_OF_LE)
-+#error "No endianess selected for ppc-of-ohci"
-+#endif
-+
-+
-+static struct of_platform_driver ohci_hcd_ppc_of_driver = {
-+ .name = "ppc-of-ohci",
-+ .match_table = ohci_hcd_ppc_of_match,
-+ .probe = ohci_hcd_ppc_of_probe,
-+ .remove = ohci_hcd_ppc_of_remove,
-+ .shutdown = ohci_hcd_ppc_of_shutdown,
-+#ifdef CONFIG_PM
-+ /*.suspend = ohci_hcd_ppc_soc_drv_suspend,*/
-+ /*.resume = ohci_hcd_ppc_soc_drv_resume,*/
-+#endif
-+ .driver = {
-+ .name = "ppc-of-ohci",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
---
-1.4.4.2
-