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/*
* Copyright (C) 2008-2009 ST-Ericsson
*
* Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.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/types.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <asm/localtimer.h>
#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include <plat/mtu.h>
#include <mach/hardware.h>
#include <mach/setup.h>
/* add any platform devices here - TODO */
static struct platform_device *platform_devs[] __initdata = {
/* yet to be added, add i2c0, gpio.. */
};
#define __IO_DEV_DESC(x, sz) { \
.virtual = IO_ADDRESS(x), \
.pfn = __phys_to_pfn(x), \
.length = sz, \
.type = MT_DEVICE, \
}
/* minimum static i/o mapping required to boot U8500 platforms */
static struct map_desc u8500_io_desc[] __initdata = {
__IO_DEV_DESC(U8500_UART2_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K),
__IO_DEV_DESC(U8500_TWD_BASE, SZ_4K),
__IO_DEV_DESC(U8500_SCU_BASE, SZ_4K),
__IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K),
__IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST1_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST2_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K),
};
static struct map_desc u8500ed_io_desc[] __initdata = {
__IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
};
static struct map_desc u8500v1_io_desc[] __initdata = {
__IO_DEV_DESC(U8500_MTU0_BASE_V1, SZ_4K),
};
void __init u8500_map_io(void)
{
iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
if (cpu_is_u8500ed())
iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
else
iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
}
void __init u8500_init_irq(void)
{
gic_dist_init(0, __io_address(U8500_GIC_DIST_BASE), 29);
gic_cpu_init(0, __io_address(U8500_GIC_CPU_BASE));
}
/*
* This function is called from the board init
*/
void __init u8500_init_devices(void)
{
/* Register the platform devices */
platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
return ;
}
static void __init u8500_timer_init(void)
{
#ifdef CONFIG_LOCAL_TIMERS
/* Setup the local timer base */
twd_base = __io_address(U8500_TWD_BASE);
#endif
/* Setup the MTU base */
if (cpu_is_u8500ed())
mtu_base = __io_address(U8500_MTU0_BASE_ED);
else
mtu_base = __io_address(U8500_MTU0_BASE_V1);
nmdk_timer_init();
}
struct sys_timer u8500_timer = {
.init = u8500_timer_init,
};
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