mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
e39414ed07
Refreshed all patches Dropped upstreamed patches: 522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch 523-PCI-aardvark-set-PIO_ADDR_LS-correctly-in-advk_pcie_rd_conf.patch 525-PCI-aardvark-use-isr1-instead-of-isr0-interrupt-in-legacy-irq-mode.patch 527-PCI-aardvark-fix-PCIe-max-read-request-size-setting.patch updated patches: 524-PCI-aardvark-set-host-and-device-to-the-same-MAX-payload-size.patch 030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch Added new ARM64 symbol: CONFIG_ARM64_ERRATUM_1024718 Compile-tested on: cns3xxx, imx6, mvebu (arm64), x86_64 Runtime-tested on: cns3xxx, imx6, x86_64 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
104 lines
3.2 KiB
Diff
104 lines
3.2 KiB
Diff
--- a/drivers/usb/host/ehci-hcd.c
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+++ b/drivers/usb/host/ehci-hcd.c
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@@ -252,6 +252,37 @@ int ehci_reset(struct ehci_hcd *ehci)
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command |= CMD_RESET;
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dbg_cmd (ehci, "reset", command);
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ehci_writel(ehci, command, &ehci->regs->command);
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+
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+ if (ehci->qca_force_host_mode) {
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+ u32 usbmode;
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+
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+ udelay(1000);
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+
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+ usbmode = ehci_readl(ehci, &ehci->regs->usbmode);
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+ usbmode |= USBMODE_CM_HC | (1 << 4);
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+ ehci_writel(ehci, usbmode, &ehci->regs->usbmode);
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+
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+ ehci_dbg(ehci, "forced host mode, usbmode: %08x\n",
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+ ehci_readl(ehci, &ehci->regs->usbmode));
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+ }
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+
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+ if (ehci->qca_force_16bit_ptw) {
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+ u32 port_status;
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+
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+ udelay(1000);
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+
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+ /* enable 16-bit UTMI interface */
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+ port_status = ehci_readl(ehci, &ehci->regs->port_status[0]);
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+ port_status |= BIT(28);
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+ ehci_writel(ehci, port_status, &ehci->regs->port_status[0]);
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+
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+ ehci_dbg(ehci, "16-bit UTMI interface enabled, status: %08x\n",
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+ ehci_readl(ehci, &ehci->regs->port_status[0]));
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+ }
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+
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+ if (ehci->reset_notifier)
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+ ehci->reset_notifier(ehci_to_hcd(ehci));
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+
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ehci->rh_state = EHCI_RH_HALTED;
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ehci->next_statechange = jiffies;
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retval = ehci_handshake(ehci, &ehci->regs->command,
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--- a/drivers/usb/host/ehci.h
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+++ b/drivers/usb/host/ehci.h
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@@ -232,6 +232,10 @@ struct ehci_hcd { /* one per controlle
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unsigned need_oc_pp_cycle:1; /* MPC834X port power */
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unsigned imx28_write_fix:1; /* For Freescale i.MX28 */
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unsigned ignore_oc:1;
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+ unsigned qca_force_host_mode:1;
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+ unsigned qca_force_16bit_ptw:1; /* force 16 bit UTMI */
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+
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+ void (*reset_notifier)(struct usb_hcd *hcd);
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/* required for usb32 quirk */
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#define OHCI_CTRL_HCFS (3 << 6)
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--- a/include/linux/usb/ehci_pdriver.h
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+++ b/include/linux/usb/ehci_pdriver.h
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@@ -50,6 +50,8 @@ struct usb_ehci_pdata {
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unsigned reset_on_resume:1;
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unsigned dma_mask_64:1;
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unsigned ignore_oc:1;
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+ unsigned qca_force_host_mode:1;
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+ unsigned qca_force_16bit_ptw:1;
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/* Turn on all power and clocks */
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int (*power_on)(struct platform_device *pdev);
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@@ -59,6 +61,7 @@ struct usb_ehci_pdata {
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* turn off everything else */
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void (*power_suspend)(struct platform_device *pdev);
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int (*pre_setup)(struct usb_hcd *hcd);
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+ void (*reset_notifier)(struct platform_device *pdev);
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};
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#endif /* __USB_CORE_EHCI_PDRIVER_H */
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--- a/drivers/usb/host/ehci-platform.c
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+++ b/drivers/usb/host/ehci-platform.c
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@@ -53,6 +53,14 @@ struct ehci_platform_priv {
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static const char hcd_name[] = "ehci-platform";
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+static void ehci_platform_reset_notifier(struct usb_hcd *hcd)
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+{
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+ struct platform_device *pdev = to_platform_device(hcd->self.controller);
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+ struct usb_ehci_pdata *pdata = pdev->dev.platform_data;
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+
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+ pdata->reset_notifier(pdev);
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+}
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+
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static int ehci_platform_reset(struct usb_hcd *hcd)
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{
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struct platform_device *pdev = to_platform_device(hcd->self.controller);
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@@ -270,6 +278,13 @@ static int ehci_platform_probe(struct pl
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priv->reset_on_resume = true;
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if (pdata->ignore_oc)
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ehci->ignore_oc = 1;
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+ if (pdata->qca_force_host_mode)
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+ ehci->qca_force_host_mode = 1;
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+ if (pdata->qca_force_16bit_ptw)
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+ ehci->qca_force_16bit_ptw = 1;
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+
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+ if (pdata->reset_notifier)
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+ ehci->reset_notifier = ehci_platform_reset_notifier;
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#ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
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if (ehci->big_endian_mmio) {
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