diff options
Diffstat (limited to 'target')
4 files changed, 550 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.18/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch b/target/linux/bcm53xx/patches-3.18/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch new file mode 100644 index 0000000000..a74233bb97 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch @@ -0,0 +1,78 @@ +From 5b4fed9fc917cc2bfc5297eeab03aeba5d340618 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Tue, 16 Jun 2015 12:33:46 +0200 +Subject: [PATCH] USB: bcma: make helper creating platform dev more generic +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Having "bool ohci" argument bounded us to two cases only and didn't +allow re-using this code for XHCI. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +--- + drivers/usb/host/bcma-hcd.c | 24 +++++++++++++----------- + 1 file changed, 13 insertions(+), 11 deletions(-) + +diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c +index 5398e3d..d347282 100644 +--- a/drivers/usb/host/bcma-hcd.c ++++ b/drivers/usb/host/bcma-hcd.c +@@ -249,7 +249,10 @@ static const struct usb_ehci_pdata ehci_pdata = { + static const struct usb_ohci_pdata ohci_pdata = { + }; + +-static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr) ++static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, ++ const char *name, u32 addr, ++ const void *data, ++ size_t size) + { + struct platform_device *hci_dev; + struct resource hci_res[2]; +@@ -264,8 +267,7 @@ static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, boo + hci_res[1].start = dev->irq; + hci_res[1].flags = IORESOURCE_IRQ; + +- hci_dev = platform_device_alloc(ohci ? "ohci-platform" : +- "ehci-platform" , 0); ++ hci_dev = platform_device_alloc(name, 0); + if (!hci_dev) + return ERR_PTR(-ENOMEM); + +@@ -276,12 +278,8 @@ static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, boo + 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 (data) ++ ret = platform_device_add_data(hci_dev, data, size); + if (ret) + goto err_alloc; + ret = platform_device_add(hci_dev); +@@ -334,11 +332,15 @@ static int bcma_hcd_probe(struct bcma_device *dev) + && chipinfo->rev == 0) + ohci_addr = 0x18009000; + +- usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr); ++ usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, "ohci-platform", ++ ohci_addr, &ohci_pdata, ++ sizeof(ohci_pdata)); + if (IS_ERR(usb_dev->ohci_dev)) + return PTR_ERR(usb_dev->ohci_dev); + +- usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr); ++ usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, "ehci-platform", ++ dev->addr, &ehci_pdata, ++ sizeof(ehci_pdata)); + if (IS_ERR(usb_dev->ehci_dev)) { + err = PTR_ERR(usb_dev->ehci_dev); + goto err_unregister_ohci_dev; +-- +1.8.4.5 + diff --git a/target/linux/bcm53xx/patches-3.18/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch b/target/linux/bcm53xx/patches-3.18/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch new file mode 100644 index 0000000000..873db5e037 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch @@ -0,0 +1,107 @@ +From 4aed231f49954114d5ae23e97789e9aa540a0b70 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Tue, 16 Jun 2015 12:52:07 +0200 +Subject: [PATCH] USB: bcma: use separated function for USB 2.0 initialization +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This will allow adding USB 3.0 (XHCI) support cleanly. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +--- + drivers/usb/host/bcma-hcd.c | 51 +++++++++++++++++++++++++++++++-------------- + 1 file changed, 35 insertions(+), 16 deletions(-) + +diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c +index d347282..0b4d0e8 100644 +--- a/drivers/usb/host/bcma-hcd.c ++++ b/drivers/usb/host/bcma-hcd.c +@@ -34,6 +34,7 @@ MODULE_DESCRIPTION("Common USB driver for BCMA Bus"); + MODULE_LICENSE("GPL"); + + struct bcma_hcd_device { ++ struct bcma_device *core; + struct platform_device *ehci_dev; + struct platform_device *ohci_dev; + }; +@@ -293,27 +294,16 @@ err_alloc: + return ERR_PTR(ret); + } + +-static int bcma_hcd_probe(struct bcma_device *dev) ++static int bcma_hcd_usb20_init(struct bcma_hcd_device *usb_dev) + { +- int err; ++ struct bcma_device *dev = usb_dev->core; ++ struct bcma_chipinfo *chipinfo = &dev->bus->chipinfo; + u32 ohci_addr; +- struct bcma_hcd_device *usb_dev; +- struct bcma_chipinfo *chipinfo; +- +- chipinfo = &dev->bus->chipinfo; +- +- /* TODO: Probably need checks here; is the core connected? */ ++ int err; + + if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32))) + return -EOPNOTSUPP; + +- usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device), +- GFP_KERNEL); +- if (!usb_dev) +- return -ENOMEM; +- +- bcma_hci_platform_power_gpio(dev, true); +- + switch (dev->id.id) { + case BCMA_CORE_NS_USB20: + bcma_hcd_init_chip_arm(dev); +@@ -346,7 +336,6 @@ static int bcma_hcd_probe(struct bcma_device *dev) + goto err_unregister_ohci_dev; + } + +- bcma_set_drvdata(dev, usb_dev); + return 0; + + err_unregister_ohci_dev: +@@ -354,6 +343,36 @@ err_unregister_ohci_dev: + return err; + } + ++static int bcma_hcd_probe(struct bcma_device *dev) ++{ ++ int err; ++ struct bcma_hcd_device *usb_dev; ++ ++ /* TODO: Probably need checks here; is the core connected? */ ++ ++ usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device), ++ GFP_KERNEL); ++ if (!usb_dev) ++ return -ENOMEM; ++ usb_dev->core = dev; ++ ++ bcma_hci_platform_power_gpio(dev, true); ++ ++ switch (dev->id.id) { ++ case BCMA_CORE_USB20_HOST: ++ case BCMA_CORE_NS_USB20: ++ err = bcma_hcd_usb20_init(usb_dev); ++ if (err) ++ return err; ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ bcma_set_drvdata(dev, usb_dev); ++ return 0; ++} ++ + static void bcma_hcd_remove(struct bcma_device *dev) + { + struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev); +-- +1.8.4.5 + diff --git a/target/linux/bcm53xx/patches-3.18/812-USB-bcma-add-USB-3.0-support.patch b/target/linux/bcm53xx/patches-3.18/812-USB-bcma-add-USB-3.0-support.patch new file mode 100644 index 0000000000..cb1632150c --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/812-USB-bcma-add-USB-3.0-support.patch @@ -0,0 +1,266 @@ +From 78008c94c253963454a9f6d3d2e0324acef3f20a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Tue, 16 Jun 2015 17:14:26 +0200 +Subject: [PATCH] USB: bcma: add USB 3.0 support +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +--- + drivers/usb/host/bcma-hcd.c | 218 ++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 218 insertions(+) + +diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c +index 0b4d0e8..71fa06d 100644 +--- a/drivers/usb/host/bcma-hcd.c ++++ b/drivers/usb/host/bcma-hcd.c +@@ -37,6 +37,7 @@ struct bcma_hcd_device { + struct bcma_device *core; + struct platform_device *ehci_dev; + struct platform_device *ohci_dev; ++ struct platform_device *xhci_dev; + }; + + /* Wait for bitmask in a register to get set or cleared. +@@ -343,6 +344,217 @@ err_unregister_ohci_dev: + return err; + } + ++static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask, ++ u32 value, int timeout) ++{ ++ unsigned long deadline = jiffies + timeout; ++ u32 val; ++ ++ do { ++ val = readl(addr); ++ if ((val & mask) == value) ++ return true; ++ cpu_relax(); ++ udelay(10); ++ } while (!time_after_eq(jiffies, deadline)); ++ ++ pr_err("Timeout waiting for register %p\n", addr); ++ ++ return false; ++} ++ ++static void bcma_hcd_usb30_phy_init(struct bcma_hcd_device *bcma_hcd) ++{ ++ struct bcma_device *core = bcma_hcd->core; ++ struct bcma_bus *bus = core->bus; ++ struct bcma_chipinfo *chipinfo = &bus->chipinfo; ++ struct bcma_drv_cc_b *ccb = &bus->drv_cc_b; ++ struct bcma_device *arm_core; ++ void __iomem *dmu = NULL; ++ u32 cru_straps_ctrl; ++ ++ if (chipinfo->id != BCMA_CHIP_ID_BCM4707 && ++ chipinfo->id != BCMA_CHIP_ID_BCM53018) ++ return; ++ ++ arm_core = bcma_find_core(bus, BCMA_CORE_ARMCA9); ++ if (!arm_core) ++ return; ++ ++ dmu = ioremap_nocache(arm_core->addr_s[0], 0x1000); ++ if (!dmu) ++ goto out; ++ ++ /* Check strapping of PCIE/USB3 SEL */ ++ cru_straps_ctrl = ioread32(dmu + 0x2a0); ++ if ((cru_straps_ctrl & 0x10) == 0) ++ goto out; ++ ++ /* Perform USB3 system soft reset */ ++ bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET); ++ ++ /* Enable MDIO. Setting MDCDIV as 26 */ ++ iowrite32(0x0000009a, ccb->mii + 0x000); ++ udelay(2); ++ ++ switch (chipinfo->id) { ++ case BCMA_CHIP_ID_BCM4707: ++ if (chipinfo->rev == 4) { ++ /* For NS-B0, USB3 PLL Block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8000, ccb->mii + 0x004); ++ ++ /* Clear ana_pllSeqStart */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58061000, ccb->mii + 0x004); ++ ++ /* CMOS Divider ratio to 25 */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582a6400, ccb->mii + 0x004); ++ ++ /* Asserting PLL Reset */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582ec000, ccb->mii + 0x004); ++ ++ /* Deaaserting PLL Reset */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582e8000, ccb->mii + 0x004); ++ ++ /* Deasserting USB3 system reset */ ++ bcma_awrite32(core, BCMA_RESET_CTL, 0); ++ ++ /* Set ana_pllSeqStart */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58069000, ccb->mii + 0x004); ++ ++ /* RXPMD block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8020, ccb->mii + 0x004); ++ ++ /* CDR int loop locking BW to 1 */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58120049, ccb->mii + 0x004); ++ ++ /* CDR int loop acquisition BW to 1 */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580e0049, ccb->mii + 0x004); ++ ++ /* CDR prop loop BW to 1 */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580a005c, ccb->mii + 0x004); ++ ++ /* Waiting MII Mgt interface idle */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ } else { ++ /* PLL30 block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8000, ccb->mii + 0x004); ++ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582a6400, ccb->mii + 0x004); ++ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e80e0, ccb->mii + 0x004); ++ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580a009c, ccb->mii + 0x004); ++ ++ /* Enable SSC */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8040, ccb->mii + 0x004); ++ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580a21d3, ccb->mii + 0x004); ++ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58061003, ccb->mii + 0x004); ++ ++ /* Waiting MII Mgt interface idle */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ ++ /* Deasserting USB3 system reset */ ++ bcma_awrite32(core, BCMA_RESET_CTL, 0); ++ } ++ break; ++ case BCMA_CHIP_ID_BCM53018: ++ /* USB3 PLL Block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8000, ccb->mii + 0x004); ++ ++ /* Assert Ana_Pllseq start */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58061000, ccb->mii + 0x004); ++ ++ /* Assert CML Divider ratio to 26 */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582a6400, ccb->mii + 0x004); ++ ++ /* Asserting PLL Reset */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582ec000, ccb->mii + 0x004); ++ ++ /* Deaaserting PLL Reset */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x582e8000, ccb->mii + 0x004); ++ ++ /* Waiting MII Mgt interface idle */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ ++ /* Deasserting USB3 system reset */ ++ bcma_awrite32(core, BCMA_RESET_CTL, 0); ++ ++ /* PLL frequency monitor enable */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58069000, ccb->mii + 0x004); ++ ++ /* PIPE Block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8060, ccb->mii + 0x004); ++ ++ /* CMPMAX & CMPMINTH setting */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580af30d, ccb->mii + 0x004); ++ ++ /* DEGLITCH MIN & MAX setting */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x580e6302, ccb->mii + 0x004); ++ ++ /* TXPMD block */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x587e8040, ccb->mii + 0x004); ++ ++ /* Enabling SSC */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ iowrite32(0x58061003, ccb->mii + 0x004); ++ ++ /* Waiting MII Mgt interface idle */ ++ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000); ++ ++ break; ++ } ++ ++ pr_info("[%s:%d] DONE\n", __FUNCTION__, __LINE__); ++out: ++ if (dmu) ++ iounmap(dmu); ++} ++ ++static int bcma_hcd_usb30_init(struct bcma_hcd_device *bcma_hcd) ++{ ++ struct bcma_device *core = bcma_hcd->core; ++ ++ bcma_core_enable(core, 0); ++ ++ bcma_hcd_usb30_phy_init(bcma_hcd); ++ ++ bcma_hcd->xhci_dev = bcma_hcd_create_pdev(core, "xhci-hcd", core->addr, ++ NULL, 0); ++ if (IS_ERR(bcma_hcd->ohci_dev)) ++ return PTR_ERR(bcma_hcd->ohci_dev); ++ ++ return 0; ++} ++ + static int bcma_hcd_probe(struct bcma_device *dev) + { + int err; +@@ -365,6 +577,11 @@ static int bcma_hcd_probe(struct bcma_device *dev) + if (err) + return err; + break; ++ case BCMA_CORE_NS_USB30: ++ err = bcma_hcd_usb30_init(usb_dev); ++ if (err) ++ return err; ++ break; + default: + return -ENODEV; + } +@@ -419,6 +636,7 @@ static int bcma_hcd_resume(struct bcma_device *dev) + static const struct bcma_device_id bcma_hcd_table[] = { + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS), + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB20, BCMA_ANY_REV, BCMA_ANY_CLASS), ++ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB30, BCMA_ANY_REV, BCMA_ANY_CLASS), + BCMA_CORETABLE_END + }; + MODULE_DEVICE_TABLE(bcma, bcma_hcd_table); +-- +1.8.4.5 + diff --git a/target/linux/bcm53xx/patches-3.18/820-xhci-add-Broadcom-specific-fake-doorbell.patch b/target/linux/bcm53xx/patches-3.18/820-xhci-add-Broadcom-specific-fake-doorbell.patch new file mode 100644 index 0000000000..87d23c3a51 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/820-xhci-add-Broadcom-specific-fake-doorbell.patch @@ -0,0 +1,99 @@ +From 9cc14ca0aae53c16d10ffea49848ac61a5015562 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Sun, 21 Jun 2015 11:10:49 +0200 +Subject: [PATCH] xhci: add Broadcom specific fake doorbell +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This fixes problem with controller seeing devices only in some small +percentage of cold boots. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +--- + drivers/usb/host/xhci.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 62 insertions(+) + +diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c +index 3bceabe..0737ab2 100644 +--- a/drivers/usb/host/xhci.c ++++ b/drivers/usb/host/xhci.c +@@ -122,6 +122,64 @@ int xhci_halt(struct xhci_hcd *xhci) + return ret; + } + ++#ifdef CONFIG_ARCH_BCM_5301X ++int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id) ++{ ++ unsigned int temp1, ret; ++ ++ /* alloc a virt device for slot */ ++ if (!xhci_alloc_virt_device(xhci, slot_id, 0, GFP_NOIO)) { ++ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n"); ++ return 1; ++ } ++ ++ /* ring fake doorbell for slot_id ep 0 */ ++ xhci_ring_ep_doorbell(xhci, slot_id, 0, 0); ++ mdelay(1); ++ ++ /* read the status register to check if HSE is set or not? */ ++ temp1 = readl(&xhci->op_regs->status); ++ xhci_dbg(xhci, "op reg status = %x\n",temp1); ++ ++ /* clear HSE if set */ ++ if(temp1 & STS_FATAL) { ++ xhci_dbg(xhci, "HSE problem detected\n"); ++ temp1 &= ~(0x1fff); ++ temp1 |= STS_FATAL; ++ xhci_dbg(xhci, "temp1=%x\n",temp1); ++ writel(temp1, &xhci->op_regs->status); ++ mdelay(1); ++ temp1 = readl(&xhci->op_regs->status); ++ xhci_dbg(xhci, "After clear op reg status=%x\n", temp1); ++ } ++ ++ /* Free virt device */ ++ xhci_free_virt_device(xhci, slot_id); ++ ++ /* Run the controller if needed */ ++ temp1 = readl(&xhci->op_regs->command); ++ if (temp1 & CMD_RUN) ++ return 0; ++ temp1 |= (CMD_RUN); ++ ++ writel(temp1, &xhci->op_regs->command); ++ /* ++ * Wait for the HCHalted Status bit to be 0 to indicate the host is running. ++ */ ++ ret = xhci_handshake(xhci, &xhci->op_regs->status, ++ STS_HALT, 0, XHCI_MAX_HALT_USEC); ++ ++ if (ret == -ETIMEDOUT) { ++ xhci_err(xhci, "Host took too long to start, " ++ "waited %u microseconds.\n", ++ XHCI_MAX_HALT_USEC); ++ return 1; ++ } ++ ++ return 0; ++} ++#endif /* CONFIG_ARCH_BCM_5301X */ ++ + /* + * Set the run bit and wait for the host to be running. + */ +@@ -146,6 +204,10 @@ static int xhci_start(struct xhci_hcd *xhci) + xhci_err(xhci, "Host took too long to start, " + "waited %u microseconds.\n", + XHCI_MAX_HALT_USEC); ++#ifdef CONFIG_ARCH_BCM_5301X ++ xhci_fake_doorbell(xhci, 1); ++#endif /* CONFIG_ARCH_BCM_5301X */ ++ + if (!ret) + xhci->xhc_state &= ~XHCI_STATE_HALTED; + return ret; +-- +1.8.4.5 + |