|
@@ -1,48 +0,0 @@
|
|
-/*
|
|
|
|
- * DaVinci I/O mapping code
|
|
|
|
- *
|
|
|
|
- * Copyright (C) 2005-2006 Texas Instruments
|
|
|
|
- *
|
|
|
|
- * 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.
|
|
|
|
- */
|
|
|
|
-
|
|
|
|
-#include <linux/module.h>
|
|
|
|
-#include <linux/io.h>
|
|
|
|
-
|
|
|
|
-#include <asm/tlb.h>
|
|
|
|
-#include <asm/mach/map.h>
|
|
|
|
-
|
|
|
|
-#include <mach/common.h>
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * Intercept ioremap() requests for addresses in our fixed mapping regions.
|
|
|
|
- */
|
|
|
|
-void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type)
|
|
|
|
-{
|
|
|
|
- struct map_desc *desc = davinci_soc_info.io_desc;
|
|
|
|
- int desc_num = davinci_soc_info.io_desc_num;
|
|
|
|
- int i;
|
|
|
|
-
|
|
|
|
- for (i = 0; i < desc_num; i++, desc++) {
|
|
|
|
- unsigned long iophys = __pfn_to_phys(desc->pfn);
|
|
|
|
- unsigned long iosize = desc->length;
|
|
|
|
-
|
|
|
|
- if (p >= iophys && (p + size) <= (iophys + iosize))
|
|
|
|
- return __io(desc->virtual + p - iophys);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- return __arm_ioremap_caller(p, size, type,
|
|
|
|
- __builtin_return_address(0));
|
|
|
|
-}
|
|
|
|
-EXPORT_SYMBOL(davinci_ioremap);
|
|
|
|
-
|
|
|
|
-void davinci_iounmap(volatile void __iomem *addr)
|
|
|
|
-{
|
|
|
|
- unsigned long virt = (unsigned long)addr;
|
|
|
|
-
|
|
|
|
- if (virt >= VMALLOC_START && virt < VMALLOC_END)
|
|
|
|
- __iounmap(addr);
|
|
|
|
-}
|
|
|
|
-EXPORT_SYMBOL(davinci_iounmap);
|
|
|