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authorPasha <pasha@member.fsf.org>2024-02-20 18:55:36 +0000
committerPasha <pasha@member.fsf.org>2024-02-20 18:55:36 +0000
commit6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 (patch)
tree9f5ccbaa6ec19ff5a42d9b3cde01f739e1d7c77d /riscv/include/asm/pci.h
parent5e0b8d508ed51004bd836384293be00950ee62c9 (diff)
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initial risc-v exampleHEADmaster
Diffstat (limited to 'riscv/include/asm/pci.h')
-rw-r--r--riscv/include/asm/pci.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/riscv/include/asm/pci.h b/riscv/include/asm/pci.h
new file mode 100644
index 0000000..cc2a184
--- /dev/null
+++ b/riscv/include/asm/pci.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2016 SiFive
+ */
+
+#ifndef _ASM_RISCV_PCI_H
+#define _ASM_RISCV_PCI_H
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+
+#define PCIBIOS_MIN_IO 4
+#define PCIBIOS_MIN_MEM 16
+
+#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
+static inline int pcibus_to_node(struct pci_bus *bus)
+{
+ 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) */
+
+/* Generic PCI */
+#include <asm-generic/pci.h>
+
+#endif /* _ASM_RISCV_PCI_H */