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/*
* Device Tree support for Armada 370 and XP platforms.
*
* Copyright (C) 2012 Marvell
*
* Lior Amsalem <alior@marvell.com>
* Gregory CLEMENT <gregory.clement@free-electrons.com>
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/io.h>
#include <linux/time-armada-370-xp.h>
#include <linux/clk/mvebu.h>
#include <linux/dma-mapping.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include "armada-370-xp.h"
#include "common.h"
static struct map_desc armada_370_xp_io_desc[] __initdata = {
{
.virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE),
.length = ARMADA_370_XP_REGS_SIZE,
.type = MT_DEVICE,
},
};
void __init armada_370_xp_map_io(void)
{
iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
}
void __init armada_370_xp_timer_and_clk_init(void)
{
mvebu_clocks_init();
armada_370_xp_timer_init();
}
void __init armada_370_xp_init_early(void)
{
/*
* Some Armada 370/XP devices allocate their coherent buffers
* from atomic context. Increase size of atomic coherent pool
* to make sure such the allocations won't fail.
*/
init_dma_coherent_pool_size(SZ_1M);
}
struct sys_timer armada_370_xp_timer = {
.init = armada_370_xp_timer_and_clk_init,
};
static void __init armada_370_xp_dt_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static const char * const armada_370_xp_dt_board_dt_compat[] = {
"marvell,a370-db",
"marvell,axp-db",
NULL,
};
DT_MACHINE_START(ARMADA_XP_DT, "Marvell Aramada 370/XP (Device Tree)")
.init_machine = armada_370_xp_dt_init,
.map_io = armada_370_xp_map_io,
.init_early = armada_370_xp_init_early,
.init_irq = armada_370_xp_init_irq,
.handle_irq = armada_370_xp_handle_irq,
.timer = &armada_370_xp_timer,
.restart = mvebu_restart,
.dt_compat = armada_370_xp_dt_board_dt_compat,
MACHINE_END
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