Initial import

1 files changed, 106 insertions, 0 deletions

diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
new file mode 100644
index 000000000..5f70af25c
--- /dev/null
+++ b/arch/mn10300/include/asm/pci.h
@@ -0,0 +1,106 @@
+/* MN10300 PCI definitions
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_PCI_H
+#define _ASM_PCI_H
+
+#ifdef __KERNEL__
+#include <linux/mm.h>		/* for struct page */
+
+#if 0
+#define __pcbdebug(FMT, ADDR, ...) \
+	printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
+	       (u32)(ADDR), ##__VA_ARGS__)
+
+#define __pcidebug(FMT, BUS, DEVFN, WHERE,...)		\
+do {							\
+	printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n",	\
+	       (BUS)->number,					\
+	       PCI_SLOT(DEVFN),					\
+	       PCI_FUNC(DEVFN),					\
+	       (u32)(WHERE), ##__VA_ARGS__);			\
+} while (0)
+
+#else
+#define __pcbdebug(FMT, ADDR, ...)		do {} while (0)
+#define __pcidebug(FMT, BUS, DEVFN, WHERE, ...)	do {} while (0)
+#endif
+
+/* Can be used to override the logic in pci_scan_bus for skipping
+ * already-configured bus numbers - to be used for buggy BIOSes or
+ * architectures with incomplete PCI setup by the loader */
+
+#ifdef CONFIG_PCI
+#define pcibios_assign_all_busses()	1
+extern void unit_pci_init(void);
+#else
+#define pcibios_assign_all_busses()	0
+#endif
+
+#define PCIBIOS_MIN_IO		0xBE000004
+#define PCIBIOS_MIN_MEM		0xB8000000
+
+void pcibios_set_master(struct pci_dev *dev);
+
+/* Dynamic DMA mapping stuff.
+ * i386 has everything mapped statically.
+ */
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <asm/scatterlist.h>
+#include <linux/string.h>
+#include <asm/io.h>
+
+struct pci_dev;
+
+/* The PCI address space does equal the physical memory
+ * address space.  The networking and block device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS	(1)
+
+/* Return the index of the PCI controller for device. */
+static inline int pci_controller_num(struct pci_dev *dev)
+{
+	return 0;
+}
+
+#define HAVE_PCI_MMAP
+extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+			       enum pci_mmap_state mmap_state,
+			       int write_combine);
+
+#endif /* __KERNEL__ */
+
+/* implement the pci_ DMA API in terms of the generic device dma_ one */
+#include <asm-generic/pci-dma-compat.h>
+
+static inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+	struct resource *root = NULL;
+
+	if (res->flags & IORESOURCE_IO)
+		root = &ioport_resource;
+	if (res->flags & IORESOURCE_MEM)
+		root = &iomem_resource;
+
+	return root;
+}
+
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+	return channel ? 15 : 14;
+}
+
+#include <asm-generic/pci_iomap.h>
+
+#endif /* _ASM_PCI_H */