File: [Development] / linux-2.6-xfs / arch / arm / mach-omap2 / io.c (download)
Revision 1.4, Thu May 24 16:41:45 2007 UTC (10 years, 5 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.3: +17 -4
lines
Merge up to 2.6.22-rc2
Merge of 2.6.x-xfs-melb:linux:28675b by kenmcd.
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/*
* linux/arch/arm/mach-omap2/io.c
*
* OMAP2 I/O mapping code
*
* Copyright (C) 2005 Nokia Corporation
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
*
* 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/kernel.h>
#include <linux/init.h>
#include <asm/tlb.h>
#include <asm/io.h>
#include <asm/mach/map.h>
#include <asm/arch/mux.h>
#include <asm/arch/omapfb.h>
extern void omap_sram_init(void);
extern int omap2_clk_init(void);
extern void omap2_check_revision(void);
extern void gpmc_init(void);
extern void omapfb_reserve_sdram(void);
/*
* The machine specific code may provide the extra mapping besides the
* default mapping provided here.
*/
static struct map_desc omap2_io_desc[] __initdata = {
{
.virtual = L3_24XX_VIRT,
.pfn = __phys_to_pfn(L3_24XX_PHYS),
.length = L3_24XX_SIZE,
.type = MT_DEVICE
},
{
.virtual = DSP_MEM_24XX_VIRT,
.pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
.length = DSP_MEM_24XX_SIZE,
.type = MT_DEVICE
},
{
.virtual = DSP_IPI_24XX_VIRT,
.pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
.length = DSP_IPI_24XX_SIZE,
.type = MT_DEVICE
},
{
.virtual = DSP_MMU_24XX_VIRT,
.pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
.length = DSP_MMU_24XX_SIZE,
.type = MT_DEVICE
}
};
void __init omap2_map_common_io(void)
{
iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
/* Normally devicemaps_init() would flush caches and tlb after
* mdesc->map_io(), but we must also do it here because of the CPU
* revision check below.
*/
local_flush_tlb_all();
flush_cache_all();
omap2_check_revision();
omap_sram_init();
omapfb_reserve_sdram();
}
void __init omap2_init_common_hw(void)
{
omap2_mux_init();
omap2_clk_init();
gpmc_init();
}