122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
|
|
* linux/arch/arm/mach-omap2/io.c
|
|
*
|
|
* OMAP2 I/O mapping code
|
|
*
|
|
* Copyright (C) 2005 Nokia Corporation
|
|
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
|
|
* Updated map desc to add 2430 support : <x0khasim@ti.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 <mach/mux.h>
|
|
#include <mach/omapfb.h>
|
|
|
|
#include <mach/powerdomain.h>
|
|
|
|
#include "powerdomains.h"
|
|
|
|
#include <mach/clockdomain.h>
|
|
#include "clockdomains.h"
|
|
|
|
extern void omap_sram_init(void);
|
|
extern int omap2_clk_init(void);
|
|
extern void omap2_check_revision(void);
|
|
extern void omap2_init_memory(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 = L4_24XX_VIRT,
|
|
.pfn = __phys_to_pfn(L4_24XX_PHYS),
|
|
.length = L4_24XX_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
#ifdef CONFIG_ARCH_OMAP2430
|
|
{
|
|
.virtual = L4_WK_243X_VIRT,
|
|
.pfn = __phys_to_pfn(L4_WK_243X_PHYS),
|
|
.length = L4_WK_243X_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = OMAP243X_GPMC_VIRT,
|
|
.pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
|
|
.length = OMAP243X_GPMC_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
#endif
|
|
{
|
|
.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();
|
|
pwrdm_init(powerdomains_omap);
|
|
clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
|
|
omap2_clk_init();
|
|
/*
|
|
* Need to Fix this for 2430
|
|
*/
|
|
#ifndef CONFIG_ARCH_OMAP2430
|
|
omap2_init_memory();
|
|
#endif
|
|
gpmc_init();
|
|
}
|