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Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +01001/*
2 * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
3 *
4 * arch/arm/mach-orion5x/board-dt.c
5 *
6 * Flattened Device Tree board initialization
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/of.h>
16#include <linux/of_platform.h>
Thomas Gleixnerf7b861b2013-03-21 22:49:38 +010017#include <linux/cpu.h>
Thomas Petazzoni5c697662014-04-22 23:26:17 +020018#include <linux/mbus.h>
Thomas Petazzoniab5ab9d2014-04-22 23:26:27 +020019#include <linux/clocksource.h>
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010020#include <asm/system_misc.h>
21#include <asm/mach/arch.h>
Thomas Petazzoni5c697662014-04-22 23:26:17 +020022#include <asm/mach/map.h>
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010023#include <mach/orion5x.h>
Thomas Petazzoni5c697662014-04-22 23:26:17 +020024#include <mach/bridge-regs.h>
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010025#include <plat/irq.h>
Thomas Petazzoni5c697662014-04-22 23:26:17 +020026#include <plat/time.h>
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010027#include "common.h"
28
Andrew Lunn42366662013-10-23 16:12:51 +020029static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010030 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
31 OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
32 NULL),
33 OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
34 OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
35 OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
36 {},
37};
38
39static void __init orion5x_dt_init(void)
40{
41 char *dev_name;
42 u32 dev, rev;
43
44 orion5x_id(&dev, &rev, &dev_name);
45 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
46
Arnd Bergmann06fde1a2014-06-04 11:00:18 +020047 BUG_ON(mvebu_mbus_dt_init(false));
Thomas Petazzoni5c697662014-04-22 23:26:17 +020048
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010049 /*
50 * Setup Orion address map
51 */
Thomas Petazzoni5d1190e2013-03-21 17:59:18 +010052 orion5x_setup_wins();
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010053
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010054 /*
55 * Don't issue "Wait for Interrupt" instruction if we are
56 * running on D0 5281 silicon.
57 */
58 if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
59 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
Thomas Gleixnerf7b861b2013-03-21 22:49:38 +010060 cpu_idle_poll_ctrl(true);
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010061 }
62
Thomas Petazzonifbf04d82014-04-22 23:26:40 +020063 if (of_machine_is_compatible("maxtor,shared-storage-2"))
64 mss2_init();
65
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010066 of_platform_populate(NULL, of_default_bus_match_table,
67 orion5x_auxdata_lookup, NULL);
68}
69
70static const char *orion5x_dt_compat[] = {
71 "marvell,orion5x",
72 NULL,
73};
74
75DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
76 /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
77 .map_io = orion5x_map_io,
Thomas Petazzoni1bffb4a82012-11-16 16:39:45 +010078 .init_machine = orion5x_dt_init,
79 .restart = orion5x_restart,
80 .dt_compat = orion5x_dt_compat,
81MACHINE_END