usb_debug.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
 
#include <stdint.h>
#include <device/pci_ops.h>
#include <device/pci_ehci.h>
#include <device/pci_def.h>
 
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
{
        u32 class;
        pci_devfn_t dev;
 
        if (!CONFIG(HAVE_USBDEBUG_OPTIONS))
                return PCI_DEV(0, 0x1d, 7);
 
        if (hcd_idx == 2)
                dev = PCI_DEV(0, 0x1a, 0);
        else
                dev = PCI_DEV(0, 0x1d, 0);
 
        /* If we enter here before RCBA programming, EHCI function may
         * appear with the highest function number instead.
         */
        class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
        if (class != PCI_EHCI_CLASSCODE)
                dev |= PCI_DEV(0, 0, 7);
 
        return dev;
}
 
/* Required for successful build, but currently empty. */
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
        /* Not needed, the ICH* southbridges hardcode physical USB port 1. */
}