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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/frv/include/asm/pci.h
Initial import
Diffstat (limited to 'arch/frv/include/asm/pci.h')
-rw-r--r--arch/frv/include/asm/pci.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
new file mode 100644
index 000000000..2035a4d3f
--- /dev/null
+++ b/arch/frv/include/asm/pci.h
@@ -0,0 +1,61 @@
+/* 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_FRV_PCI_H
+#define _ASM_FRV_PCI_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
+
+extern void pcibios_set_master(struct pci_dev *dev);
+
+#ifdef CONFIG_MMU
+extern void *consistent_alloc(gfp_t 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);
+
+/* Return the index of the PCI controller for device PDEV. */
+#define pci_controller_num(PDEV) (0)
+
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+ enum pci_dma_burst_strategy *strat,
+ unsigned long *strategy_parameter)
+{
+ *strat = PCI_DMA_BURST_INFINITY;
+ *strategy_parameter = ~0UL;
+}
+#endif
+
+/*
+ * These are pretty much arbitrary with the CoMEM implementation.
+ * We have the whole address space to ourselves.
+ */
+#define PCIBIOS_MIN_IO 0x100
+#define PCIBIOS_MIN_MEM 0x00010000
+
+#endif /* _ASM_FRV_PCI_H */