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usb/xhci: add xhci_sysbus_build_aml() helper 

The helper generates an acpi dsdt device entry
for the xhci sysbus device.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201020074844.5304-4-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-10-20 09:48:37 +02:00
parent 848db5257d
commit 8e9c0c079a
2 changed files with 17 additions and 0 deletions
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15
hw/usb/hcd-xhci-sysbus.c
View File

@ -13,6 +13,7 @@
#include "trace.h"
#include "qapi/error.h"
#include "hcd-xhci-sysbus.h"
#include "hw/acpi/aml-build.h"
#include "hw/irq.h"
static void xhci_sysbus_intr_raise(XHCIState *xhci, int n, bool level)
@ -68,6 +69,20 @@ static void xhci_sysbus_instance_init(Object *obj)
s->xhci.intr_raise = xhci_sysbus_intr_raise;
}
void xhci_sysbus_build_aml(Aml *scope, uint32_t mmio, unsigned int irq)
{
Aml *dev = aml_device("XHCI");
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(mmio, XHCI_LEN_REGS, AML_READ_WRITE));
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irq, 1));
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0D10")));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
}
static Property xhci_sysbus_props[] = {
DEFINE_PROP_UINT32("intrs", XHCISysbusState, xhci.numintrs, XHCI_MAXINTRS),
DEFINE_PROP_UINT32("slots", XHCISysbusState, xhci.numslots, XHCI_MAXSLOTS),

2
include/hw/usb/xhci.h
View File

@ -16,4 +16,6 @@
/* must be power of 2 */
#define XHCI_LEN_REGS 0x4000
void xhci_sysbus_build_aml(Aml *scope, uint32_t mmio, unsigned int irq);
#endif