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/*
* Copyright (c) 2011 Picochip Ltd., Jamie Iles
*
* 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.
*
* All enquiries to support@picochip.com
*/
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/of.h>
#include <asm/mach/map.h>
#include <mach/map.h>
#include <mach/picoxcell_soc.h>
#include "common.h"
void __init picoxcell_map_io(void)
{
struct map_desc io_map = {
.virtual = PHYS_TO_IO(PICOXCELL_PERIPH_BASE),
.pfn = __phys_to_pfn(PICOXCELL_PERIPH_BASE),
.length = PICOXCELL_PERIPH_LENGTH,
.type = MT_DEVICE,
};
iotable_init(&io_map, 1);
}
void __iomem *picoxcell_ioremap(unsigned long p, size_t size,
unsigned int type)
{
if (unlikely(size == 0))
return NULL;
if (p >= PICOXCELL_PERIPH_BASE &&
p < PICOXCELL_PERIPH_BASE + PICOXCELL_PERIPH_LENGTH)
return IO_ADDRESS(p);
return __arm_ioremap_caller(p, size, type,
__builtin_return_address(0));
}
EXPORT_SYMBOL_GPL(picoxcell_ioremap);
void picoxcell_iounmap(volatile void __iomem *addr)
{
unsigned long virt = (unsigned long)addr;
if (virt >= VMALLOC_START && virt < VMALLOC_END)
__iounmap(addr);
}
EXPORT_SYMBOL_GPL(picoxcell_iounmap);
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