示例#1
0
static int wl_glue_ssb_probe(struct ssb_device *dev, const struct ssb_device_id *id)
{
	void *mmio;
	void *wldev;

	if (!attach_cb)
	{
		pr_err("No attach callback registered\n");
		return -ENOSYS;
	}

	if (dev->bus->bustype != SSB_BUSTYPE_SSB)
	{
		pr_err("Attaching to SSB behind PCI is not supported. Please remove the b43 ssb bridge\n");
		return -EINVAL;
	}

	mmio = (void *) 0x18000000 + dev->core_index * 0x1000;
	wldev = attach_cb(id->vendor, id->coreid, (ulong)mmio, dev, dev->irq);

	if (!wldev)
	{
		pr_err("The attach callback failed, SSB probe aborted\n");
		return -ENODEV;
	}

	ssb_set_drvdata(dev, wldev);
	return 0;
}
示例#2
0
static int __devinit ssb_hcd_probe(struct ssb_device *dev,
				   const struct ssb_device_id *id)
{
	int err, tmp;
	int start, len;
	u16 chipid_top;
	u16 coreid = dev->id.coreid;
	struct ssb_hcd_device *usb_dev;

	/* 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 (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
	    dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
		return -EOPNOTSUPP;

	usb_dev = kzalloc(sizeof(struct ssb_hcd_device), GFP_KERNEL);
	if (!usb_dev)
		return -ENOMEM;

	/* 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(). */
	usb_dev->enable_flags = ssb_hcd_init_chip(dev);

	tmp = ssb_read32(dev, SSB_ADMATCH0);

	start = ssb_admatch_base(tmp);
	len = (coreid == SSB_DEV_USB20_HOST) ? 0x800 : ssb_admatch_size(tmp);
	usb_dev->ohci_dev = ssb_hcd_create_pdev(dev, true, start, len);
	if (IS_ERR(usb_dev->ohci_dev)) {
		err = PTR_ERR(usb_dev->ohci_dev);
		goto err_free_usb_dev;
	}

	if (coreid == SSB_DEV_USB20_HOST) {
		start = ssb_admatch_base(tmp) + 0x800; /* ehci core offset */
		usb_dev->ehci_dev = ssb_hcd_create_pdev(dev, false, start, len);
		if (IS_ERR(usb_dev->ehci_dev)) {
			err = PTR_ERR(usb_dev->ehci_dev);
			goto err_unregister_ohci_dev;
		}
	}

	ssb_set_drvdata(dev, usb_dev);
	return 0;

err_unregister_ohci_dev:
	platform_device_unregister(usb_dev->ohci_dev);
err_free_usb_dev:
	kfree(usb_dev);
	return err;
}
示例#3
0
static void wl_glue_ssb_remove(struct ssb_device *dev)
{
	void *wldev = ssb_get_drvdata(dev);

	if (remove_cb)
		remove_cb(wldev);

	ssb_set_drvdata(dev, NULL);
}
示例#4
0
文件: bus.c 项目: 03199618/linux
void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
{
	switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
		bcma_set_drvdata(dev->bdev, wldev);
		break;
#endif
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
		ssb_set_drvdata(dev->sdev, wldev);
		break;
#endif
	}
}
示例#5
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 (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
		flags |= SSB_OHCI_TMSLOW_HOSTMODE;

	ssb_device_enable(dev, flags);

	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_DISABLED | 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_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_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
{
	struct ssb_gige *dev;
	u32 base, tmslow, tmshigh;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;
	dev->dev = sdev;

	spin_lock_init(&dev->lock);
	dev->pci_controller.pci_ops = &dev->pci_ops;
	dev->pci_controller.io_resource = &dev->io_resource;
	dev->pci_controller.mem_resource = &dev->mem_resource;
	dev->pci_controller.io_map_base = 0x800;
	dev->pci_ops.read = ssb_gige_pci_read_config;
	dev->pci_ops.write = ssb_gige_pci_write_config;

	dev->io_resource.name = SSB_GIGE_IO_RES_NAME;
	dev->io_resource.start = 0x800;
	dev->io_resource.end = 0x8FF;
	dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;

	if (!ssb_device_is_enabled(sdev))
		ssb_device_enable(sdev, 0);

	/* Setup BAR0. This is a 64k MMIO region. */
	base = ssb_admatch_base(ssb_read32(sdev, SSB_ADMATCH1));
	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base);
	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0);

	dev->mem_resource.name = SSB_GIGE_MEM_RES_NAME;
	dev->mem_resource.start = base;
	dev->mem_resource.end = base + 0x10000 - 1;
	dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;

	/* Enable the memory region. */
	gige_pcicfg_write16(dev, PCI_COMMAND,
			    gige_pcicfg_read16(dev, PCI_COMMAND)
			    | PCI_COMMAND_MEMORY);

	/* Write flushing is controlled by the Flush Status Control register.
	 * We want to flush every register write with a timeout and we want
	 * to disable the IRQ mask while flushing to avoid concurrency.
	 * Note that automatic write flushing does _not_ work from
	 * an IRQ handler. The driver must flush manually by reading a register.
	 */
	gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068);

	/* Check if we have an RGMII or GMII PHY-bus.
	 * On RGMII do not bypass the DLLs */
	tmslow = ssb_read32(sdev, SSB_TMSLOW);
	tmshigh = ssb_read32(sdev, SSB_TMSHIGH);
	if (tmshigh & SSB_GIGE_TMSHIGH_RGMII) {
		tmslow &= ~SSB_GIGE_TMSLOW_TXBYPASS;
		tmslow &= ~SSB_GIGE_TMSLOW_RXBYPASS;
		dev->has_rgmii = 1;
	} else {
		tmslow |= SSB_GIGE_TMSLOW_TXBYPASS;
		tmslow |= SSB_GIGE_TMSLOW_RXBYPASS;
		dev->has_rgmii = 0;
	}
	tmslow |= SSB_GIGE_TMSLOW_DLLEN;
	ssb_write32(sdev, SSB_TMSLOW, tmslow);

	ssb_set_drvdata(sdev, dev);
	register_pci_controller(&dev->pci_controller);

	return 0;
}
static int __devinit ssb_gige_probe(struct ssb_device *sdev,
				    const struct ssb_device_id *id)
{
	struct ssb_gige *dev;
	u32 base, tmslow, tmshigh;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;
	dev->dev = sdev;

	spin_lock_init(&dev->lock);
	dev->pci_controller.pci_ops = &dev->pci_ops;
	dev->pci_controller.io_resource = &dev->io_resource;
	dev->pci_controller.mem_resource = &dev->mem_resource;
	dev->pci_controller.io_map_base = 0x800;
	dev->pci_ops.read = ssb_gige_pci_read_config;
	dev->pci_ops.write = ssb_gige_pci_write_config;

	dev->io_resource.name = SSB_GIGE_IO_RES_NAME;
	dev->io_resource.start = 0x800;
	dev->io_resource.end = 0x8FF;
	dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;

	if (!ssb_device_is_enabled(sdev))
		ssb_device_enable(sdev, 0);

	
	base = ssb_admatch_base(ssb_read32(sdev, SSB_ADMATCH1));
	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base);
	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0);

	dev->mem_resource.name = SSB_GIGE_MEM_RES_NAME;
	dev->mem_resource.start = base;
	dev->mem_resource.end = base + 0x10000 - 1;
	dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;

	
	gige_pcicfg_write16(dev, PCI_COMMAND,
			    gige_pcicfg_read16(dev, PCI_COMMAND)
			    | PCI_COMMAND_MEMORY);

	gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068);

	tmslow = ssb_read32(sdev, SSB_TMSLOW);
	tmshigh = ssb_read32(sdev, SSB_TMSHIGH);
	if (tmshigh & SSB_GIGE_TMSHIGH_RGMII) {
		tmslow &= ~SSB_GIGE_TMSLOW_TXBYPASS;
		tmslow &= ~SSB_GIGE_TMSLOW_RXBYPASS;
		dev->has_rgmii = 1;
	} else {
		tmslow |= SSB_GIGE_TMSLOW_TXBYPASS;
		tmslow |= SSB_GIGE_TMSLOW_RXBYPASS;
		dev->has_rgmii = 0;
	}
	tmslow |= SSB_GIGE_TMSLOW_DLLEN;
	ssb_write32(sdev, SSB_TMSLOW, tmslow);

	ssb_set_drvdata(sdev, dev);
	register_pci_controller(&dev->pci_controller);

	return 0;
}