pci_compat.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Compatibility functions for pre-driver-model code
*
* Copyright (C) 2014 Google, Inc
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <pci.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
#include "pci_internal.h"
#define PCI_HOSE_OP(rw, name, size, type) \
int pci_hose_##rw##_config_##name(struct pci_controller *hose, \
pci_dev_t dev, \
int offset, type value) \
{ \
return pci_##rw##_config##size(dev, offset, value); \
}
PCI_HOSE_OP(read, byte, 8, u8 *)
PCI_HOSE_OP(read, word, 16, u16 *)
PCI_HOSE_OP(read, dword, 32, u32 *)
PCI_HOSE_OP(write, byte, 8, u8)
PCI_HOSE_OP(write, word, 16, u16)
PCI_HOSE_OP(write, dword, 32, u32)
pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
{
struct udevice *dev;
if (pci_find_device_id(ids, index, &dev))
return -1;
return dm_pci_get_bdf(dev);
}
struct pci_controller *pci_bus_to_hose(int busnum)
{
struct udevice *bus;
int ret;
ret = pci_get_bus(busnum, &bus);
if (ret) {
debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret);
return NULL;
}
return dev_get_uclass_priv(pci_get_controller(bus));
}