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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /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.h | 61 |
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 */ |