2 * Copyright 2006 PathScale, Inc. All Rights Reserved.
4 * This file is free software; you can redistribute it and/or modify
5 * it under the terms of version 2 of the GNU General Public License
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include <linux/types.h>
25 void __iowrite32_copy(void __iomem
*to
, const void *from
, size_t count
);
26 void __iowrite64_copy(void __iomem
*to
, const void *from
, size_t count
);
28 int ioremap_page_range(unsigned long addr
, unsigned long end
,
29 unsigned long phys_addr
, pgprot_t prot
);
32 * check_signature - find BIOS signatures
33 * @io_addr: mmio address to check
34 * @signature: signature block
35 * @length: length of signature
37 * Perform a signature comparison with the mmio address io_addr. This
38 * address should have been obtained by ioremap.
39 * Returns 1 on a match.
42 static inline int check_signature(const volatile void __iomem
*io_addr
,
43 const unsigned char *signature
, int length
)
47 if (readb(io_addr
) != *signature
)
58 #endif /* _LINUX_IO_H */