1 files changed, 108 insertions, 0 deletions

diff --git a/include/asm-frv/pci.h b/include/asm-frv/pci.h
new file mode 100644
index 000000000000..a6a469231f62
--- /dev/null
+++ b/include/asm-frv/pci.h
@@ -0,0 +1,108 @@
+/* pci.h: FR-V specific PCI declarations
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ * - Derived from include/asm-m68k/pci.h
+ *
+ * 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef ASM_PCI_H
+#define ASM_PCI_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <asm/scatterlist.h>
+#include <asm-generic/pci-dma-compat.h>
+#include <asm-generic/pci.h>
+
+struct pci_dev;
+
+#define pcibios_assign_all_busses()     0
+
+static inline void pcibios_add_platform_entries(struct pci_dev *dev)
+{
+}
+
+extern void pcibios_set_master(struct pci_dev *dev);
+
+extern void pcibios_penalize_isa_irq(int irq);
+
+#ifdef CONFIG_MMU
+extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
+extern void consistent_free(void *vaddr);
+extern void consistent_sync(void *vaddr, size_t size, int direction);
+extern void consistent_sync_page(struct page *page, unsigned long offset,
+                                 size_t size, int direction);
+#endif
+
+extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
+                                  dma_addr_t *dma_handle);
+
+extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
+                                void *vaddr, dma_addr_t dma_handle);
+
+/* This is always fine. */
+#define pci_dac_dma_supported(pci_dev, mask)    (1)
+
+/* Return the index of the PCI controller for device PDEV. */
+#define pci_controller_num(PDEV)        (0)
+
+/* 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)
+
+/*
+ *      These are pretty much arbitary with the CoMEM implementation.
+ *      We have the whole address space to ourselves.
+ */
+#define PCIBIOS_MIN_IO          0x100
+#define PCIBIOS_MIN_MEM         0x00010000
+
+/* Make physical memory consistent for a single
+ * streaming mode DMA translation after a transfer.
+ *
+ * If you perform a pci_map_single() but wish to interrogate the
+ * buffer using the cpu, yet do not wish to teardown the PCI dma
+ * mapping, you must call this function before doing so.  At the
+ * next point you give the PCI dma address back to the card, the
+ * device again owns the buffer.
+ */
+static inline void pci_dma_sync_single(struct pci_dev *hwdev,
+                                       dma_addr_t dma_handle,
+                                       size_t size, int direction)
+{
+        if (direction == PCI_DMA_NONE)
+                BUG();
+
+        frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle),
+                            (unsigned long)bus_to_virt(dma_handle) + size);
+}
+
+/* Make physical memory consistent for a set of streaming
+ * mode DMA translations after a transfer.
+ *
+ * The same as pci_dma_sync_single but for a scatter-gather list,
+ * same rules and usage.
+ */
+static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
+                                   struct scatterlist *sg,
+                                   int nelems, int direction)
+{
+        int i;
+
+        if (direction == PCI_DMA_NONE)
+                BUG();
+
+        for (i = 0; i < nelems; i++)
+                frv_cache_wback_inv(sg_dma_address(&sg[i]),
+                                    sg_dma_address(&sg[i])+sg_dma_len(&sg[i]));
+}
+
+
+#endif