blob: 472e70ffce8d8ae6cee1b52859f7c785cf020430 [file] [log] [blame]
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +02001/*
2 * Device Tree support for Armada 370 and XP platforms.
3 *
4 * Copyright (C) 2012 Marvell
5 *
6 * Lior Amsalem <alior@marvell.com>
7 * Gregory CLEMENT <gregory.clement@free-electrons.com>
8 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
9 *
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.
13 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/of_platform.h>
18#include <linux/io.h>
19#include <linux/time-armada-370-xp.h>
Gregory CLEMENT9d202782012-11-17 15:22:24 +010020#include <linux/clk/mvebu.h>
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020021#include <asm/mach/arch.h>
22#include <asm/mach/map.h>
23#include <asm/mach/time.h>
Rob Herring6eb5be32012-09-02 14:57:33 -050024#include "armada-370-xp.h"
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020025#include "common.h"
Gregory CLEMENT45f59842012-11-14 22:51:08 +010026#include "coherency.h"
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020027
28static struct map_desc armada_370_xp_io_desc[] __initdata = {
29 {
Thomas Petazzoni9758e702012-09-11 14:27:22 +020030 .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE,
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020031 .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE),
32 .length = ARMADA_370_XP_REGS_SIZE,
33 .type = MT_DEVICE,
34 },
35};
36
37void __init armada_370_xp_map_io(void)
38{
39 iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
40}
41
Gregory CLEMENT9d202782012-11-17 15:22:24 +010042void __init armada_370_xp_timer_and_clk_init(void)
43{
44 mvebu_clocks_init();
45 armada_370_xp_timer_init();
46}
47
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020048struct sys_timer armada_370_xp_timer = {
Gregory CLEMENT9d202782012-11-17 15:22:24 +010049 .init = armada_370_xp_timer_and_clk_init,
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020050};
51
52static void __init armada_370_xp_dt_init(void)
53{
54 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
Gregory CLEMENT45f59842012-11-14 22:51:08 +010055 coherency_init();
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020056}
57
58static const char * const armada_370_xp_dt_board_dt_compat[] = {
59 "marvell,a370-db",
60 "marvell,axp-db",
61 NULL,
62};
63
64DT_MACHINE_START(ARMADA_XP_DT, "Marvell Aramada 370/XP (Device Tree)")
Gregory CLEMENT45f59842012-11-14 22:51:08 +010065 .smp = smp_ops(armada_xp_smp_ops),
Thomas Petazzoni9ae6f742012-06-13 19:01:28 +020066 .init_machine = armada_370_xp_dt_init,
67 .map_io = armada_370_xp_map_io,
68 .init_irq = armada_370_xp_init_irq,
69 .handle_irq = armada_370_xp_handle_irq,
70 .timer = &armada_370_xp_timer,
71 .restart = mvebu_restart,
72 .dt_compat = armada_370_xp_dt_board_dt_compat,
73MACHINE_END