1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* iop3xx custom ioremap implementation
* Copyright (c) 2006, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <mach/hardware.h>
#include <asm/io.h>
void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
unsigned int mtype)
{
void __iomem * retval;
switch (cookie) {
case IOP3XX_PCI_LOWER_IO_PA ... IOP3XX_PCI_UPPER_IO_PA:
retval = (void *) IOP3XX_PCI_IO_PHYS_TO_VIRT(cookie);
break;
case IOP3XX_PERIPHERAL_PHYS_BASE ... IOP3XX_PERIPHERAL_UPPER_PA:
retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie);
break;
default:
retval = __arm_ioremap(cookie, size, mtype);
}
return retval;
}
EXPORT_SYMBOL(__iop3xx_ioremap);
void __iop3xx_iounmap(void __iomem *addr)
{
extern void __iounmap(volatile void __iomem *addr);
switch ((u32) addr) {
case IOP3XX_PCI_LOWER_IO_VA ... IOP3XX_PCI_UPPER_IO_VA:
case IOP3XX_PERIPHERAL_VIRT_BASE ... IOP3XX_PERIPHERAL_UPPER_VA:
goto skip;
}
__iounmap(addr);
skip:
return;
}
EXPORT_SYMBOL(__iop3xx_iounmap);
|
