2 * Device Tree support for Armada 370 and XP platforms.
4 * Copyright (C) 2012 Marvell
6 * Lior Amsalem <alior@marvell.com>
7 * Gregory CLEMENT <gregory.clement@free-electrons.com>
8 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/of_platform.h>
19 #include <linux/time-armada-370-xp.h>
20 #include <linux/clk/mvebu.h>
21 #include <linux/dma-mapping.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/time.h>
25 #include "armada-370-xp.h"
27 #include "coherency.h"
29 static struct map_desc armada_370_xp_io_desc
[] __initdata
= {
31 .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE
,
32 .pfn
= __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE
),
33 .length
= ARMADA_370_XP_REGS_SIZE
,
38 void __init
armada_370_xp_map_io(void)
40 iotable_init(armada_370_xp_io_desc
, ARRAY_SIZE(armada_370_xp_io_desc
));
43 void __init
armada_370_xp_timer_and_clk_init(void)
46 armada_370_xp_timer_init();
49 void __init
armada_370_xp_init_early(void)
52 * Some Armada 370/XP devices allocate their coherent buffers
53 * from atomic context. Increase size of atomic coherent pool
54 * to make sure such the allocations won't fail.
56 init_dma_coherent_pool_size(SZ_1M
);
59 static void __init
armada_370_xp_dt_init(void)
61 of_platform_populate(NULL
, of_default_bus_match_table
, NULL
, NULL
);
65 static const char * const armada_370_xp_dt_compat
[] = {
66 "marvell,armada-370-xp",
70 DT_MACHINE_START(ARMADA_XP_DT
, "Marvell Armada 370/XP (Device Tree)")
71 .smp
= smp_ops(armada_xp_smp_ops
),
72 .init_machine
= armada_370_xp_dt_init
,
73 .map_io
= armada_370_xp_map_io
,
74 .init_early
= armada_370_xp_init_early
,
75 .init_irq
= armada_370_xp_init_irq
,
76 .handle_irq
= armada_370_xp_handle_irq
,
77 .init_time
= armada_370_xp_timer_and_clk_init
,
78 .restart
= mvebu_restart
,
79 .dt_compat
= armada_370_xp_dt_compat
,