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 <linux/mbus.h>
23 #include <linux/irqchip.h>
24 #include <asm/hardware/cache-l2x0.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/time.h>
28 #include "armada-370-xp.h"
30 #include "coherency.h"
32 static struct map_desc armada_370_xp_io_desc[] __initdata = {
34 .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE,
35 .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE),
36 .length = ARMADA_370_XP_REGS_SIZE,
41 void __init armada_370_xp_map_io(void)
43 iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
46 void __init armada_370_xp_timer_and_clk_init(void)
49 armada_370_xp_timer_init();
52 void __init armada_370_xp_init_early(void)
57 * This initialization will be replaced by a DT-based
58 * initialization once the mvebu-mbus driver gains DT support.
60 if (of_machine_is_compatible("marvell,armada370"))
61 mbus_soc_name = "marvell,armada370-mbus";
63 mbus_soc_name = "marvell,armadaxp-mbus";
65 mvebu_mbus_init(mbus_soc_name,
66 ARMADA_370_XP_MBUS_WINS_BASE,
67 ARMADA_370_XP_MBUS_WINS_SIZE,
68 ARMADA_370_XP_SDRAM_WINS_BASE,
69 ARMADA_370_XP_SDRAM_WINS_SIZE);
71 #ifdef CONFIG_CACHE_L2X0
72 l2x0_of_init(0, ~0UL);
76 static void __init armada_370_xp_dt_init(void)
78 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
82 static const char * const armada_370_xp_dt_compat[] = {
83 "marvell,armada-370-xp",
87 DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)")
88 .smp = smp_ops(armada_xp_smp_ops),
89 .init_machine = armada_370_xp_dt_init,
90 .map_io = armada_370_xp_map_io,
91 .init_early = armada_370_xp_init_early,
92 .init_irq = irqchip_init,
93 .init_time = armada_370_xp_timer_and_clk_init,
94 .restart = mvebu_restart,
95 .dt_compat = armada_370_xp_dt_compat,