From 6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 Mon Sep 17 00:00:00 2001
From: Pasha <pasha@member.fsf.org>
Date: Tue, 20 Feb 2024 18:55:36 +0000
Subject: initial risc-v example

---
 riscv/include/asm/pci.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 riscv/include/asm/pci.h

(limited to 'riscv/include/asm/pci.h')

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 */
-- 
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