1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2016 SiFive
4 */
5
6 #ifndef _ASM_RISCV_PCI_H
7 #define _ASM_RISCV_PCI_H
8
9 #include <linux/types.h>
10 #include <linux/slab.h>
11 #include <linux/dma-mapping.h>
12
13 #include <asm/io.h>
14
15 #define PCIBIOS_MIN_IO 4
16 #define PCIBIOS_MIN_MEM 16
17
18 #if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
19 static inline int pcibus_to_node(struct pci_bus *bus)
20 {
21 return dev_to_node(&bus->dev);
22 }
23 #ifndef cpumask_of_pcibus
24 #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
25 cpu_all_mask : \
26 cpumask_of_node(pcibus_to_node(bus)))
27 #endif
28 #endif /* defined(CONFIG_PCI) && defined(CONFIG_NUMA) */
29
30 /* Generic PCI */
31 #include <asm-generic/pci.h>
32
33 #endif /* _ASM_RISCV_PCI_H */
34
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