diff options
Diffstat (limited to 'arch/riscv/include/asm/pci.h')
| -rw-r--r-- | arch/riscv/include/asm/pci.h | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/arch/riscv/include/asm/pci.h b/arch/riscv/include/asm/pci.h index b3638c505728..cc2a184cfc2e 100644 --- a/arch/riscv/include/asm/pci.h +++ b/arch/riscv/include/asm/pci.h @@ -1,18 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016 SiFive - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ -#ifndef __ASM_RISCV_PCI_H -#define __ASM_RISCV_PCI_H +#ifndef _ASM_RISCV_PCI_H +#define _ASM_RISCV_PCI_H #include <linux/types.h> #include <linux/slab.h> @@ -20,26 +12,22 @@ #include <asm/io.h> -#define PCIBIOS_MIN_IO 0 -#define PCIBIOS_MIN_MEM 0 +#define PCIBIOS_MIN_IO 4 +#define PCIBIOS_MIN_MEM 16 -/* RISC-V shim does not initialize PCI bus */ -#define pcibios_assign_all_busses() 1 - -extern int isa_dma_bridge_buggy; - -#ifdef CONFIG_PCI -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +#if defined(CONFIG_PCI) && defined(CONFIG_NUMA) +static inline int pcibus_to_node(struct pci_bus *bus) { - /* no legacy IRQ on risc-v */ - return -ENODEV; + return dev_to_node(&bus->dev); } +#ifndef cpumask_of_pcibus +#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ + cpu_all_mask : \ + cpumask_of_node(pcibus_to_node(bus))) +#endif +#endif /* defined(CONFIG_PCI) && defined(CONFIG_NUMA) */ -static inline int pci_proc_domain(struct pci_bus *bus) -{ - /* always show the domain in /proc */ - return 1; -} -#endif /* CONFIG_PCI */ +/* Generic PCI */ +#include <asm-generic/pci.h> -#endif /* __ASM_PCI_H */ +#endif /* _ASM_RISCV_PCI_H */ |