diff options
| author | Joao Pinto <Joao.Pinto@synopsys.com> | 2016-03-10 14:44:13 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-10 14:44:13 -0600 |
| commit | c1678ffcdea25afe4fbbebfab13d65a7db5458fb (patch) | |
| tree | 41be9cd7cef62752ad396046315ba633258842cd /arch/arc/include/asm/pci.h | |
| parent | ed00c83cd4909dc268cc0639bf16804444ed8c79 (diff) | |
ARC: Add PCI support
Add PCI support to ARC and update drivers/pci Makefile enabling the ARC
arch to use the generic PCI setup functions.
[bhelgaas: fold in Joao's pci-dma-compat.h & pci-bridge.h build fix (I
should have caught this myself, sorry]
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm/pci.h')
| -rw-r--r-- | arch/arc/include/asm/pci.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arc/include/asm/pci.h b/arch/arc/include/asm/pci.h new file mode 100644 index 000000000000..ba56c23c1b20 --- /dev/null +++ b/arch/arc/include/asm/pci.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com) + * + * 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 _ASM_ARC_PCI_H +#define _ASM_ARC_PCI_H + +#ifdef __KERNEL__ +#include <linux/ioport.h> + +#define PCIBIOS_MIN_IO 0x100 +#define PCIBIOS_MIN_MEM 0x100000 + +#define pcibios_assign_all_busses() 1 +/* + * 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 + +#endif /* __KERNEL__ */ + +#endif /* _ASM_ARC_PCI_H */ |