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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-01-15 18:25:14 +0800 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 09:19:15 +0800 |
| commit | 700598cef866011b878f389c30414d31fa5bb87b (patch) | |
| tree | 2b09be08a2099fbf2bce706aa18d0b013e926e2c /arch/unicore32/include | |
| parent | b08b4f8e63e60a64f81e194269be14afee396f33 (diff) | |
| download | linux-700598cef866011b878f389c30414d31fa5bb87b.tar.gz linux-700598cef866011b878f389c30414d31fa5bb87b.tar.bz2 linux-700598cef866011b878f389c30414d31fa5bb87b.zip | |
unicore32 machine related files: pci bus handling
This patch implements arch-specific pci bus driver.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include')
| -rw-r--r-- | arch/unicore32/include/asm/pci.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/unicore32/include/asm/pci.h b/arch/unicore32/include/asm/pci.h new file mode 100644 index 000000000000..c5b28b459535 --- /dev/null +++ b/arch/unicore32/include/asm/pci.h @@ -0,0 +1,46 @@ +/* + * linux/arch/unicore32/include/asm/pci.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __UNICORE_PCI_H__ +#define __UNICORE_PCI_H__ + +#ifdef __KERNEL__ +#include <asm-generic/pci-dma-compat.h> +#include <asm-generic/pci.h> +#include <mach/hardware.h> /* for PCIBIOS_MIN_* */ + +static inline void pcibios_set_master(struct pci_dev *dev) +{ + /* No special bus mastering setup handling */ +} + +static inline void pcibios_penalize_isa_irq(int irq, int active) +{ + /* We don't do dynamic PCI IRQ allocation */ +} + +#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 + +#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__ */ + +#endif |