mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 22:20:45 +00:00
d7482ca426
for the legacy PCI driver, the function pci_bus_to_hose() returns the real PCIe controller. To keep consistency, this function is changed to return the PCIe controller pointer of the root bus instead of the current PCIe bus. Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: York Sun <york.sun@nxp.com>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
|
|
* Compatibility functions for pre-driver-model code
|
|
*
|
|
* Copyright (C) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#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));
|
|
}
|