From 700598cef866011b878f389c30414d31fa5bb87b Mon Sep 17 00:00:00 2001 From: GuanXuetao Date: Sat, 15 Jan 2011 18:25:14 +0800 Subject: unicore32 machine related files: pci bus handling This patch implements arch-specific pci bus driver. Signed-off-by: Guan Xuetao --- arch/unicore32/include/asm/pci.h | 46 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/unicore32/include/asm/pci.h (limited to 'arch/unicore32/include') 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 +#include +#include /* 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 -- cgit v1.2.3