blob: b91002ca92f3b42b6a04f54683daa4f2504e5c2a [file] [log] [blame]
Thomas Petazzoni1bffb4a2012-11-16 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 Petazzoni1bffb4a2012-11-16 16:39:45 +010018#include <asm/system_misc.h>
19#include <asm/mach/arch.h>
20#include <mach/orion5x.h>
21#include <plat/irq.h>
22#include "common.h"
23
24struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
25 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
26 OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
27 NULL),
28 OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
29 OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
30 OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
31 {},
32};
33
34static void __init orion5x_dt_init(void)
35{
36 char *dev_name;
37 u32 dev, rev;
38
39 orion5x_id(&dev, &rev, &dev_name);
40 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
41
42 /*
43 * Setup Orion address map
44 */
Thomas Petazzoni5d1190e2013-03-21 17:59:18 +010045 orion5x_setup_wins();
Thomas Petazzoni1bffb4a2012-11-16 16:39:45 +010046
47 /* Setup root of clk tree */
48 clk_init();
49
50 /*
51 * Don't issue "Wait for Interrupt" instruction if we are
52 * running on D0 5281 silicon.
53 */
54 if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
55 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
Thomas Gleixnerf7b861b2013-03-21 22:49:38 +010056 cpu_idle_poll_ctrl(true);
Thomas Petazzoni1bffb4a2012-11-16 16:39:45 +010057 }
58
Thomas Petazzoni07f645d2012-11-16 16:39:46 +010059 if (of_machine_is_compatible("lacie,ethernet-disk-mini-v2"))
60 edmini_v2_init();
61
Thomas Petazzoni1bffb4a2012-11-16 16:39:45 +010062 of_platform_populate(NULL, of_default_bus_match_table,
63 orion5x_auxdata_lookup, NULL);
64}
65
66static const char *orion5x_dt_compat[] = {
67 "marvell,orion5x",
68 NULL,
69};
70
71DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
72 /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
73 .map_io = orion5x_map_io,
74 .init_early = orion5x_init_early,
75 .init_irq = orion_dt_init_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -070076 .init_time = orion5x_timer_init,
Thomas Petazzoni1bffb4a2012-11-16 16:39:45 +010077 .init_machine = orion5x_dt_init,
78 .restart = orion5x_restart,
79 .dt_compat = orion5x_dt_compat,
80MACHINE_END