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-rw-r--r--target/linux/ixp4xx/patches-2.6.24/402-ixp4xx_ehci_backport.patch215
1 files changed, 215 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.24/402-ixp4xx_ehci_backport.patch b/target/linux/ixp4xx/patches-2.6.24/402-ixp4xx_ehci_backport.patch
new file mode 100644
index 000000000..baae7a6bd
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.24/402-ixp4xx_ehci_backport.patch
@@ -0,0 +1,215 @@
+diff -Nur linux-2.6.24.2/drivers/usb/host/ehci.h linux-2.6.24.2-owrt/drivers/usb/host/ehci.h
+--- linux-2.6.24.2/drivers/usb/host/ehci.h 2008-02-11 06:51:11.000000000 +0100
++++ linux-2.6.24.2-owrt/drivers/usb/host/ehci.h 2008-04-22 12:58:42.000000000 +0200
+@@ -730,6 +730,11 @@
+ #define writel_be(val, addr) out_be32((__force unsigned *)addr, val)
+ #endif
+
++#if defined(CONFIG_ARM) && defined(CONFIG_ARCH_IXP4XX)
++#define readl_be(addr) __raw_readl((__force unsigned *)addr)
++#define writel_be(val, addr) __raw_writel(val, (__force unsigned *)addr)
++#endif
++
+ static inline unsigned int ehci_readl(const struct ehci_hcd *ehci,
+ __u32 __iomem * regs)
+ {
+diff -Nur linux-2.6.24.2/drivers/usb/host/ehci-hcd.c linux-2.6.24.2-owrt/drivers/usb/host/ehci-hcd.c
+--- linux-2.6.24.2/drivers/usb/host/ehci-hcd.c 2008-02-11 06:51:11.000000000 +0100
++++ linux-2.6.24.2-owrt/drivers/usb/host/ehci-hcd.c 2008-04-22 12:58:42.000000000 +0200
+@@ -964,6 +964,11 @@
+ #define PLATFORM_DRIVER ehci_ppc_soc_driver
+ #endif
+
++#ifdef CONFIG_ARCH_IXP4XX
++#include "ehci-ixp4xx.c"
++#define PLATFORM_DRIVER ixp4xx_ehci_driver
++#endif
++
+ #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
+ !defined(PS3_SYSTEM_BUS_DRIVER)
+ #error "missing bus glue for ehci-hcd"
+diff -Nur linux-2.6.24.2/drivers/usb/host/ehci-ixp4xx.c linux-2.6.24.2-owrt/drivers/usb/host/ehci-ixp4xx.c
+--- linux-2.6.24.2/drivers/usb/host/ehci-ixp4xx.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.24.2-owrt/drivers/usb/host/ehci-ixp4xx.c 2008-04-22 12:58:42.000000000 +0200
+@@ -0,0 +1,152 @@
++/*
++ * IXP4XX EHCI Host Controller Driver
++ *
++ * Author: Vladimir Barinov <vbarinov@ru.mvista.com>
++ *
++ * Based on "ehci-fsl.c" by Randy Vinson <rvinson@mvista.com>
++ *
++ * 2007 (c) MontaVista Software, Inc. This file is licensed under
++ * the terms of the GNU General Public License version 2. This program
++ * is licensed "as is" without any warranty of any kind, whether express
++ * or implied.
++ */
++
++#include <linux/platform_device.h>
++
++static int ixp4xx_ehci_init(struct usb_hcd *hcd)
++{
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++ int retval = 0;
++
++ ehci->big_endian_desc = 1;
++ ehci->big_endian_mmio = 1;
++
++ ehci->caps = hcd->regs + 0x100;
++ ehci->regs = hcd->regs + 0x100
++ + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
++ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
++
++ ehci->is_tdi_rh_tt = 1;
++ ehci_reset(ehci);
++
++ retval = ehci_init(hcd);
++ if (retval)
++ return retval;
++
++ ehci_port_power(ehci, 0);
++
++ return retval;
++}
++
++static const struct hc_driver ixp4xx_ehci_hc_driver = {
++ .description = hcd_name,
++ .product_desc = "IXP4XX EHCI Host Controller",
++ .hcd_priv_size = sizeof(struct ehci_hcd),
++ .irq = ehci_irq,
++ .flags = HCD_MEMORY | HCD_USB2,
++ .reset = ixp4xx_ehci_init,
++ .start = ehci_run,
++ .stop = ehci_stop,
++ .shutdown = ehci_shutdown,
++ .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,
++#if defined(CONFIG_PM)
++ .bus_suspend = ehci_bus_suspend,
++ .bus_resume = ehci_bus_resume,
++#endif
++};
++
++static int ixp4xx_ehci_probe(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd;
++ const struct hc_driver *driver = &ixp4xx_ehci_hc_driver;
++ struct resource *res;
++ int irq;
++ int retval;
++
++ if (usb_disabled())
++ return -ENODEV;
++
++ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
++ if (!res) {
++ dev_err(&pdev->dev,
++ "Found HC with no IRQ. Check %s setup!\n",
++ pdev->dev.bus_id);
++ return -ENODEV;
++ }
++ irq = res->start;
++
++ hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
++ if (!hcd) {
++ retval = -ENOMEM;
++ goto fail_create_hcd;
++ }
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_err(&pdev->dev,
++ "Found HC with no register addr. Check %s setup!\n",
++ pdev->dev.bus_id);
++ retval = -ENODEV;
++ goto fail_request_resource;
++ }
++ hcd->rsrc_start = res->start;
++ hcd->rsrc_len = res->end - res->start + 1;
++
++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
++ driver->description)) {
++ dev_dbg(&pdev->dev, "controller already in use\n");
++ retval = -EBUSY;
++ goto fail_request_resource;
++ }
++
++ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
++ if (hcd->regs == NULL) {
++ dev_dbg(&pdev->dev, "error mapping memory\n");
++ retval = -EFAULT;
++ goto fail_ioremap;
++ }
++
++ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
++ if (retval)
++ goto fail_add_hcd;
++
++ return retval;
++
++fail_add_hcd:
++ iounmap(hcd->regs);
++fail_ioremap:
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++fail_request_resource:
++ usb_put_hcd(hcd);
++fail_create_hcd:
++ dev_err(&pdev->dev, "init %s fail, %d\n", pdev->dev.bus_id, retval);
++ return retval;
++}
++
++static int ixp4xx_ehci_remove(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd = platform_get_drvdata(pdev);
++
++ usb_remove_hcd(hcd);
++ iounmap(hcd->regs);
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++ usb_put_hcd(hcd);
++
++ return 0;
++}
++
++MODULE_ALIAS("platform:ixp4xx-ehci");
++
++static struct platform_driver ixp4xx_ehci_driver = {
++ .probe = ixp4xx_ehci_probe,
++ .remove = ixp4xx_ehci_remove,
++ .driver = {
++ .name = "ixp4xx-ehci",
++// .bus = &platform_bus_type
++ },
++};
+diff -Nur linux-2.6.24.2/drivers/usb/host/Kconfig linux-2.6.24.2-owrt/drivers/usb/host/Kconfig
+--- linux-2.6.24.2/drivers/usb/host/Kconfig 2008-02-11 06:51:11.000000000 +0100
++++ linux-2.6.24.2-owrt/drivers/usb/host/Kconfig 2008-04-22 12:58:42.000000000 +0200
+@@ -69,12 +69,12 @@
+
+ config USB_EHCI_BIG_ENDIAN_MMIO
+ bool
+- depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX)
++ depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX || ARCH_IXP4XX)
+ default y
+
+ config USB_EHCI_BIG_ENDIAN_DESC
+ bool
+- depends on USB_EHCI_HCD && 440EPX
++ depends on USB_EHCI_HCD && (440EPX || ARCH_IXP4XX)
+ default y
+
+ config USB_EHCI_FSL
+diff -Nur linux-2.6.24.2/drivers/usb/Kconfig linux-2.6.24.2-owrt/drivers/usb/Kconfig
+--- linux-2.6.24.2/drivers/usb/Kconfig 2008-02-11 06:51:11.000000000 +0100
++++ linux-2.6.24.2-owrt/drivers/usb/Kconfig 2008-04-22 12:58:42.000000000 +0200
+@@ -49,6 +49,7 @@
+ boolean
+ default y if PPC_83xx
+ default y if SOC_AU1200
++ default y if ARCH_IXP4XX
+ default PCI
+
+ # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 18:31:23 +0000