diff options
author | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-17 13:20:10 +0000 |
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committer | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-17 13:20:10 +0000 |
commit | c343cde4928d4ba1ee1de82196b12b0ef97faa49 (patch) | |
tree | 91ddf09ead9b2899c39a0cd83cf975ec44e5d201 /target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch | |
parent | 3a72299e5b54000d2351a71ac5cd75425e7faffb (diff) |
brcm47xx: remove support for kernel 3.2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31771 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch b/target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch deleted file mode 100644 index 630167cee..000000000 --- a/target/linux/brcm47xx/patches-3.2/183-USB-Add-driver-for-the-bcma-bus.patch +++ /dev/null @@ -1,362 +0,0 @@ ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -618,3 +618,15 @@ config USB_PXA168_EHCI - help - Enable support for Marvell PXA168 SoC's on-chip EHCI - host controller -+ -+config USB_HCD_BCMA -+ tristate "BCMA usb host driver" -+ depends on BCMA && EXPERIMENTAL -+ select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD -+ select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD -+ help -+ Enbale support for the EHCI and OCHI host controller on an bcma bus. -+ It converts the bcma driver into two platform device drivers -+ for ehci and ohci. -+ -+ If unsure, say N. ---- a/drivers/usb/host/Makefile -+++ b/drivers/usb/host/Makefile -@@ -37,3 +37,4 @@ obj-$(CONFIG_USB_IMX21_HCD) += imx21-hcd - obj-$(CONFIG_USB_FSL_MPH_DR_OF) += fsl-mph-dr-of.o - obj-$(CONFIG_USB_OCTEON2_COMMON) += octeon2-common.o - obj-$(CONFIG_MIPS_ALCHEMY) += alchemy-common.o -+obj-$(CONFIG_USB_HCD_BCMA) += bcma-hcd.o ---- /dev/null -+++ b/drivers/usb/host/bcma-hcd.c -@@ -0,0 +1,334 @@ -+/* -+ * Broadcom specific Advanced Microcontroller Bus -+ * Broadcom USB-core driver (BCMA bus glue) -+ * -+ * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Based on ssb-ohci driver -+ * Copyright 2007 Michael Buesch <m@bues.ch> -+ * -+ * 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 2005-2011 Broadcom Corporation -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+#include <linux/bcma/bcma.h> -+#include <linux/delay.h> -+#include <linux/platform_device.h> -+#include <linux/module.h> -+#include <linux/usb/ehci_pdriver.h> -+#include <linux/usb/ohci_pdriver.h> -+ -+MODULE_AUTHOR("Hauke Mehrtens"); -+MODULE_DESCRIPTION("Common USB driver for BCMA Bus"); -+MODULE_LICENSE("GPL"); -+ -+struct bcma_hcd_device { -+ struct platform_device *ehci_dev; -+ struct platform_device *ohci_dev; -+}; -+ -+/* Wait for bitmask in a register to get set or cleared. -+ * timeout is in units of ten-microseconds. -+ */ -+static int bcma_wait_bits(struct bcma_device *dev, u16 reg, u32 bitmask, -+ int timeout) -+{ -+ int i; -+ u32 val; -+ -+ for (i = 0; i < timeout; i++) { -+ val = bcma_read32(dev, reg); -+ if ((val & bitmask) == bitmask) -+ return 0; -+ udelay(10); -+ } -+ -+ return -ETIMEDOUT; -+} -+ -+static void __devinit bcma_hcd_4716wa(struct bcma_device *dev) -+{ -+#ifdef CONFIG_BCMA_DRIVER_MIPS -+ /* Work around for 4716 failures. */ -+ if (dev->bus->chipinfo.id == 0x4716) { -+ u32 tmp; -+ -+ tmp = bcma_cpu_clock(&dev->bus->drv_mips); -+ if (tmp >= 480000000) -+ tmp = 0x1846b; /* set CDR to 0x11(fast) */ -+ else if (tmp == 453000000) -+ tmp = 0x1046b; /* set CDR to 0x10(slow) */ -+ else -+ tmp = 0; -+ -+ /* Change Shim mdio control reg to fix host not acking at -+ * high frequencies -+ */ -+ if (tmp) { -+ bcma_write32(dev, 0x524, 0x1); /* write sel to enable */ -+ udelay(500); -+ -+ bcma_write32(dev, 0x524, tmp); -+ udelay(500); -+ bcma_write32(dev, 0x524, 0x4ab); -+ udelay(500); -+ bcma_read32(dev, 0x528); -+ bcma_write32(dev, 0x528, 0x80000000); -+ } -+ } -+#endif /* CONFIG_BCMA_DRIVER_MIPS */ -+} -+ -+/* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */ -+static void __devinit bcma_hcd_init_chip(struct bcma_device *dev) -+{ -+ u32 tmp; -+ -+ /* -+ * USB 2.0 special considerations: -+ * -+ * 1. Since the core supports both OHCI and EHCI functions, it must -+ * only be reset once. -+ * -+ * 2. In addition to the standard SI reset sequence, the Host Control -+ * Register must be programmed to bring the USB core and various -+ * phy components out of reset. -+ */ -+ if (!bcma_core_is_enabled(dev)) { -+ bcma_core_enable(dev, 0); -+ mdelay(10); -+ if (dev->id.rev >= 5) { -+ /* Enable Misc PLL */ -+ tmp = bcma_read32(dev, 0x1e0); -+ tmp |= 0x100; -+ bcma_write32(dev, 0x1e0, tmp); -+ if (bcma_wait_bits(dev, 0x1e0, 1 << 24, 100)) -+ printk(KERN_EMERG "Failed to enable misc PPL!\n"); -+ -+ /* Take out of resets */ -+ bcma_write32(dev, 0x200, 0x4ff); -+ udelay(25); -+ bcma_write32(dev, 0x200, 0x6ff); -+ udelay(25); -+ -+ /* Make sure digital and AFE are locked in USB PHY */ -+ bcma_write32(dev, 0x524, 0x6b); -+ udelay(50); -+ tmp = bcma_read32(dev, 0x524); -+ udelay(50); -+ bcma_write32(dev, 0x524, 0xab); -+ udelay(50); -+ tmp = bcma_read32(dev, 0x524); -+ udelay(50); -+ bcma_write32(dev, 0x524, 0x2b); -+ udelay(50); -+ tmp = bcma_read32(dev, 0x524); -+ udelay(50); -+ bcma_write32(dev, 0x524, 0x10ab); -+ udelay(50); -+ tmp = bcma_read32(dev, 0x524); -+ -+ if (bcma_wait_bits(dev, 0x528, 0xc000, 10000)) { -+ tmp = bcma_read32(dev, 0x528); -+ printk(KERN_EMERG -+ "USB20H mdio_rddata 0x%08x\n", tmp); -+ } -+ bcma_write32(dev, 0x528, 0x80000000); -+ tmp = bcma_read32(dev, 0x314); -+ udelay(265); -+ bcma_write32(dev, 0x200, 0x7ff); -+ udelay(10); -+ -+ /* Take USB and HSIC out of non-driving modes */ -+ bcma_write32(dev, 0x510, 0); -+ } else { -+ bcma_write32(dev, 0x200, 0x7ff); -+ -+ udelay(1); -+ } -+ -+ bcma_hcd_4716wa(dev); -+ } -+} -+ -+static const struct usb_ehci_pdata ehci_pdata = { -+}; -+ -+static const struct usb_ohci_pdata ohci_pdata = { -+}; -+ -+static struct platform_device * __devinit -+bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr) -+{ -+ struct platform_device *hci_dev; -+ struct resource hci_res[2]; -+ int ret = -ENOMEM; -+ -+ memset(hci_res, 0, sizeof(hci_res)); -+ -+ hci_res[0].start = addr; -+ hci_res[0].end = hci_res[0].start + 0x1000 - 1; -+ hci_res[0].flags = IORESOURCE_MEM; -+ -+ hci_res[1].start = dev->irq; -+ hci_res[1].flags = IORESOURCE_IRQ; -+ -+ hci_dev = platform_device_alloc(ohci ? "ohci-platform" : -+ "ehci-platform" , 0); -+ if (!hci_dev) -+ return NULL; -+ -+ hci_dev->dev.parent = &dev->dev; -+ hci_dev->dev.dma_mask = &hci_dev->dev.coherent_dma_mask; -+ -+ ret = platform_device_add_resources(hci_dev, hci_res, -+ ARRAY_SIZE(hci_res)); -+ if (ret) -+ goto err_alloc; -+ if (ohci) -+ ret = platform_device_add_data(hci_dev, &ohci_pdata, -+ sizeof(ohci_pdata)); -+ else -+ ret = platform_device_add_data(hci_dev, &ehci_pdata, -+ sizeof(ehci_pdata)); -+ if (ret) -+ goto err_alloc; -+ ret = platform_device_add(hci_dev); -+ if (ret) -+ goto err_alloc; -+ -+ return hci_dev; -+ -+err_alloc: -+ platform_device_put(hci_dev); -+ return ERR_PTR(ret); -+} -+ -+static int __devinit bcma_hcd_probe(struct bcma_device *dev) -+{ -+ int err; -+ u16 chipid_top; -+ u32 ohci_addr; -+ struct bcma_hcd_device *usb_dev; -+ struct bcma_chipinfo *chipinfo; -+ -+ chipinfo = &dev->bus->chipinfo; -+ /* USBcores are only connected on embedded devices. */ -+ chipid_top = (chipinfo->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 bcma_hcd_device), GFP_KERNEL); -+ if (!usb_dev) -+ return -ENOMEM; -+ -+ bcma_hcd_init_chip(dev); -+ -+ /* In AI chips EHCI is addrspace 0, OHCI is 1 */ -+ ohci_addr = dev->addr1; -+ if ((chipinfo->id == 0x5357 || chipinfo->id == 0x4749) -+ && chipinfo->rev == 0) -+ ohci_addr = 0x18009000; -+ -+ usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr); -+ if (IS_ERR(usb_dev->ohci_dev)) { -+ err = PTR_ERR(usb_dev->ohci_dev); -+ goto err_free_usb_dev; -+ } -+ -+ usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr); -+ if (IS_ERR(usb_dev->ehci_dev)) { -+ err = PTR_ERR(usb_dev->ehci_dev); -+ goto err_unregister_ohci_dev; -+ } -+ -+ bcma_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; -+} -+ -+static void __devexit bcma_hcd_remove(struct bcma_device *dev) -+{ -+ struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev); -+ struct platform_device *ohci_dev = usb_dev->ohci_dev; -+ struct platform_device *ehci_dev = usb_dev->ehci_dev; -+ -+ if (ohci_dev) -+ platform_device_unregister(ohci_dev); -+ if (ehci_dev) -+ platform_device_unregister(ehci_dev); -+ -+ bcma_core_disable(dev, 0); -+} -+ -+static void bcma_hcd_shutdown(struct bcma_device *dev) -+{ -+ bcma_core_disable(dev, 0); -+} -+ -+#ifdef CONFIG_PM -+ -+static int bcma_hcd_suspend(struct bcma_device *dev, pm_message_t state) -+{ -+ bcma_core_disable(dev, 0); -+ -+ return 0; -+} -+ -+static int bcma_hcd_resume(struct bcma_device *dev) -+{ -+ bcma_core_enable(dev, 0); -+ -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define bcma_hcd_suspend NULL -+#define bcma_hcd_resume NULL -+#endif /* CONFIG_PM */ -+ -+static const struct bcma_device_id bcma_hcd_table[] __devinitconst = { -+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS), -+ BCMA_CORETABLE_END -+}; -+MODULE_DEVICE_TABLE(bcma, bcma_hcd_table); -+ -+static struct bcma_driver bcma_hcd_driver = { -+ .name = KBUILD_MODNAME, -+ .id_table = bcma_hcd_table, -+ .probe = bcma_hcd_probe, -+ .remove = __devexit_p(bcma_hcd_remove), -+ .shutdown = bcma_hcd_shutdown, -+ .suspend = bcma_hcd_suspend, -+ .resume = bcma_hcd_resume, -+}; -+ -+static int __init bcma_hcd_init(void) -+{ -+ return bcma_driver_register(&bcma_hcd_driver); -+} -+module_init(bcma_hcd_init); -+ -+static void __exit bcma_hcd_exit(void) -+{ -+ bcma_driver_unregister(&bcma_hcd_driver); -+} -+module_exit(bcma_hcd_exit); |