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Diffstat (limited to 'arch/riscv/include/asm/pci.h')
-rw-r--r--arch/riscv/include/asm/pci.h32
1 files changed, 14 insertions, 18 deletions
diff --git a/arch/riscv/include/asm/pci.h b/arch/riscv/include/asm/pci.h
index 1c473a1bd986..cc2a184cfc2e 100644
--- a/arch/riscv/include/asm/pci.h
+++ b/arch/riscv/include/asm/pci.h
@@ -12,26 +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)
-{
- /* no legacy IRQ on risc-v */
- return -ENODEV;
-}
-
-static inline int pci_proc_domain(struct pci_bus *bus)
+#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
+static inline int pcibus_to_node(struct pci_bus *bus)
{
- /* always show the domain in /proc */
- return 1;
+ return dev_to_node(&bus->dev);
}
-#endif /* CONFIG_PCI */
+#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) */
+
+/* Generic PCI */
+#include <asm-generic/pci.h>
#endif /* _ASM_RISCV_PCI_H */