Add xhci_controller_setup_acpi() function to initialize usb host
adapters declared in the DSDT table. Search the acpi devices list
for xhci controllers.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
src/hw/usb-xhci.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/src/hw/usb-xhci.c b/src/hw/usb-xhci.c
index f27867e4f184..c35f2211983d 100644
--- a/src/hw/usb-xhci.c
+++ b/src/hw/usb-xhci.c
@@ -637,6 +637,29 @@ xhci_controller_setup_pci(struct pci_device *pci)
run_thread(configure_xhci, xhci);
}
+static void
+xhci_controller_setup_acpi(struct acpi_device *dev)
+{
+ struct usb_xhci_s *xhci;
+ u64 mem, unused;
+ void *baseaddr;
+
+ if (acpi_dsdt_find_mem(dev, &mem, &unused) < 0)
+ return;
+ if (mem >= 0x100000000ll)
+ return;
+
+ baseaddr = (void*)(u32)mem;
+ dprintf(1, "ACPI: XHCI at mmio %p\n", baseaddr);
+
+ xhci = xhci_controller_setup(baseaddr);
+ if (!xhci)
+ return;
+
+ xhci->usb.mmio = baseaddr;
+ run_thread(configure_xhci, xhci);
+}
+
void
xhci_setup(void)
{
@@ -648,6 +671,14 @@ xhci_setup(void)
if (pci_classprog(pci) == PCI_CLASS_SERIAL_USB_XHCI)
xhci_controller_setup_pci(pci);
}
+
+ u16 xhci_eisaid = 0x0d10;
+ struct acpi_device *dev;
+ for (dev = acpi_dsdt_find_eisaid(NULL, xhci_eisaid);
+ dev != NULL;
+ dev = acpi_dsdt_find_eisaid(dev, xhci_eisaid)) {
+ xhci_controller_setup_acpi(dev);
+ }
}
--
2.27.0
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