diff options
Diffstat (limited to 'arch/unicore32/mm/iomap.c')
| -rw-r--r-- | arch/unicore32/mm/iomap.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/unicore32/mm/iomap.c b/arch/unicore32/mm/iomap.c deleted file mode 100644 index a7e1a3d..0000000 --- a/arch/unicore32/mm/iomap.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/arch/unicore32/mm/iomap.c - * - * 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. - * - * Map IO port and PCI memory spaces so that {read,write}[bwl] can - * be used to access this memory. - */ -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/io.h> - -#ifdef __io -void __iomem *ioport_map(unsigned long port, unsigned int nr) -{ - /* we map PC lagcy 64K IO port to PCI IO space 0x80030000 */ - return (void __iomem *) (unsigned long) - io_p2v((port & 0xffff) + PKUNITY_PCILIO_BASE); -} -EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ -} -EXPORT_SYMBOL(ioport_unmap); -#endif - -#ifdef CONFIG_PCI -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) -{ - resource_size_t start = pci_resource_start(dev, bar); - resource_size_t len = pci_resource_len(dev, bar); - unsigned long flags = pci_resource_flags(dev, bar); - - if (!len || !start) - return NULL; - if (maxlen && len > maxlen) - len = maxlen; - if (flags & IORESOURCE_IO) - return ioport_map(start, len); - if (flags & IORESOURCE_MEM) { - if (flags & IORESOURCE_CACHEABLE) - return ioremap(start, len); - return ioremap_nocache(start, len); - } - return NULL; -} -EXPORT_SYMBOL(pci_iomap); -#endif |
